KR102484402B1 - Powered air-purifying respirator - Google Patents

Abstract

The present invention relates to an electric air purifying respirator, and more particularly, to a mask unit worn on a user's head, an accommodation case configured to be worn on the user's body, and air contained in the accommodation case and sucked from the outside. A filter unit purifying contaminants and an air storage unit accommodated in the accommodation case and storing air purified through the filter unit, wherein the air storage unit supplies the purified air as much as the user's breathing volume, contracts and expands It is formed of a material that can continuously supply the purified air corresponding to the breathing volume of the user, and can block external air from entering the mask unit by maintaining a positive pressure in the breathing space.

Description

POWERED AIR-PURIFYING RESPIRATOR}

The present invention relates to a powered air purifying respirator, and more particularly, to a powered air purifying respirator that is easy to wear for a long time and has improved portability.

An electric air purifying respirator is one of the ways to protect users from viral infectious diseases and is an important equipment along with full body protective clothing, gloves, and masks. In particular, it prevents inhalation of infectious agents through the mucous membranes of the nose and mouth, enabling a very high level of protection compared to masks such as N95.

In daily life, electric air purifying respirators are large and heavy, and the ease of storage is very poor, so most people wear N95 masks as the highest level of protection. However, in practice, N95 is difficult to fit accurately, so you must use a mask suitable for you, otherwise the effect is halved.

Therefore, N95 masks that have not undergone a fitting test in daily life may be difficult to adequately protect the wearer from infectious agents. Even after properly passing the fitting test, it is difficult to wear a mask and engage in long-term activities.

In addition, there are problems such as the need for periodic fitting tests, poor fitting due to facial hair, difficulty in breathing, and difficulty in long-term wearing due to moisture accumulation.

Therefore, there is a need for a new concept electric air purifying respirator that can be used for a long period of time, provides a higher level of protection, and is easy to move to solve the above problems.

On the other hand, the above-described background art is technical information that the inventor possessed for derivation of the present invention or acquired during the derivation process of the present invention, and cannot necessarily be said to be known art disclosed to the general public prior to filing the present invention. .

Korean Patent Registration No. 10-1574021 "Electric Air Purifying Respirator"

An object of one embodiment of the present invention is to provide a powered air purifying respirator for supplying clean air to a user by purifying pollutants in the air.

In addition, an object of one embodiment of the present invention is to provide a powered air purifying respirator capable of long-term use and high level of protection even in intense activity by adjusting the supply of purified air according to the user's breathing volume.

In addition, an object of one embodiment of the present invention is to provide a powered air purifying respirator that is manufactured in a bag or acceptable form and is easy to store and move.

In addition, an object of one embodiment of the present invention is to provide a powered air purifying respirator capable of providing various functionalities in addition to air purification through a filter with added functionality.

As a technical means for achieving the above-mentioned technical problem, according to one aspect of the present invention, the electric air purifying respirator is a mask unit worn on the user's head, a receiving case configured to be worn on the user's body, and the receiving case is accommodated , a filter unit for purifying pollutants in the air sucked in from the outside and an air storage unit housed in the accommodation case and storing air purified through the filter unit, wherein the air storage unit supplies the purified air as much as the breathing volume of the user. It is formed of a material capable of supplying, shrinking and expanding.

The mask unit includes a controller unit for adjusting the supply amount of the purified air supplied from the air storage unit, a mask unit worn on the user's face, covering at least a part of the user's face, and including a breathing space inside. and a hose assembly connected to both sides of the mask unit through connection tubes to supply the purified air to the mask unit, and supported and worn around the user's neck.

The mask unit includes a first valve for discharging the exhaust air discharged by the user to the outside and controlling the exhaust air and the purified air to circulate in one direction without mixing in the breathing space.

The mask unit includes a second valve disposed inside the hose assembly and controlling exhaust air discharged from the user and introduced into the hose assembly to circulate in one direction without mixing with the purified air.

The mask unit includes a sensor unit for measuring the user's respiratory rate, and the controller unit adjusts the supply of the purified air based on the respiratory rate measured through the sensor unit.

The mask unit includes a sensor unit for measuring the user's breathing volume and a communication unit for transmitting respiratory volume information measured through the sensor unit to a terminal used by the user, and the controller unit includes a physical activity of the user measured from the terminal. When the user uses the electric air purifying respirator, the supply amount of the purified air is automatically adjusted according to the user's physical activity information by linking the information with the respiratory volume information measured through the sensor unit.

The accommodating case is detachable from the mask unit through a connection hose, and when the accommodating case is detached from the mask unit, the purified air is discharged to the outside to purify ambient air.

The filter unit includes a filter cover for protecting from external impact, a pre-filter for filtering the contaminants in the air, a HEPA filter for filtering fine particles in the air passing through the pre-filter, and adding functionality to the air passing through the HEPA filter. It includes a functional filter for air intake and an intake fan for inhaling air from the outside.

The functional filter is a fragrance filter that emits fragrance.

The functional filter is a drug-containing filter containing a respiratory treatment drug.

According to any one of the above-described problem solving means of the present invention, the electric air purifying respirator according to an embodiment of the present invention can filter pollutants in the air and supply purified air to the user.

In addition, according to any one of the problem solving means of the present invention, the electric air purifying respirator can be used for a long period of time by adjusting the supply of purified air according to the user's breathing volume, and has the advantage of providing a high level of protection even in intense activity.

In addition, according to any one of the problem solving means of the present invention, the accommodation case is manufactured in a bag or an acceptable form, so that it is easy to store and move, and user convenience can be improved.

In addition, according to any one of the problem solving means of the present invention, the filter unit has the advantage of being able to protect the user's respiratory tract through a filter to which functional elements are added.

The effects obtainable in the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description below. will be.

1 is a perspective view illustrating a motorized air purifying respirator according to an embodiment of the present invention.
2 is an exploded perspective view illustrating a mask unit of the electric air purifying respirator of FIG. 1;
FIG. 3 is a perspective view for explaining an accommodating case of the electric air purifying respirator of FIG. 1;
4 is an exploded perspective view illustrating a filter unit of the electric air purifying respirator of FIG. 1;

Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And, in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only the case where it is "directly connected" but also the case where it is "indirectly connected" through another component in the middle. . In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 1 , an electric powered air purifying respirator according to an embodiment of the present invention will be described.

1 is a perspective view illustrating a motorized air purifying respirator according to an embodiment of the present invention.

According to one embodiment of the present invention, the electric air purifying respirator 10 is configured to purify the air in the atmosphere and supply the purified air to the user, thereby protecting the user's respiratory system, and fine dust, bacteria, and viruses contained in the air. It may be a device that protects the user's respiratory system from contaminants such as the like.

In addition, the powered air purifying respirator 10 according to an embodiment of the present invention maintains the pressure of the user's breathing space higher than the external air pressure, thereby blocking external air from entering the powered air purifying respirator 10.

Referring to FIG. 1 , an electric air purifying respirator 10 according to an embodiment of the present invention includes a mask unit 100, a housing case 200 and a connection hose 300.

The mask unit 100 is configured to be worn on the user's head to block contact between the user's respiratory system and external air.

The mask unit 100 includes a mask unit 110 worn on the user's face, a hose assembly 120 connected to the mask unit 110, supported around the user's neck, and worn, and a controller unit that controls the supply of purified air. (130).

The mask unit 110 may be in the form of a mask worn on the user's face, and the hose assembly 120 is connected to the mask unit 110 to fix the mask unit 110 to the user's face and wraps around the neck. It may have a 'U' shape. The controller unit 130 is provided with an input means for adjusting the supply amount of purified air. Details of this will be described below with reference to FIG. 2 .

The mask unit 100 can primarily protect the user's respiratory system from external air that may contain contaminants, and furthermore, the mask unit 100 forms a predetermined breathing space between the mask unit 100 and the user, and formed It is possible to assist the user's breathing by supplying purified air to the breathing space.

The mask unit 100 can measure the user's breathing volume, and can adjust the supply amount of purified air supplied according to the user's breathing volume.

Since the mask unit 100 can control the air circulation of the inside of the mask unit 100 and the breathing space and maintain the air pressure at a positive pressure, external air is prevented from entering the inside of the mask unit 100 and the breathing space. can block At this time, since the inside of the mask unit 100 and the breathing space are connected to each other, the same pressure can be maintained.

Detailed configurations of the mask unit 100 will be described later with reference to FIG. 2 .

The accommodation case 200 is configured to be worn on the user's body. For example, the accommodation case 200 includes a string and may be worn on a user's back, waist, chest, etc., or may be configured in the form of a bag that can be carried by hand.

In the present invention, the accommodation case 200 is formed in the form of a backpack to be worn behind the back, so that even if the user works for a long time while wearing the electric air purifying respirator 10, the burden on the load of the accommodation case 200 can be reduced, and exercise It can be stably worn on the user's body even during strenuous activities. However, the present invention is not limited thereto, and may be formed in various forms such as a cross bag, a shoulder bag, a belt bag, etc., as long as it is worn on a user's body and can implement the above functions.

The accommodation case 200 includes a plurality of partitioned storage spaces. Specifically, the accommodation case 200 may include a storage space capable of accommodating any device or object. The storage space may be a space that separates and stores the mask unit 100, and may be a space that accommodates a filter unit capable of purifying external air, a power supply unit for operating the filter unit, and an air storage unit capable of storing air. can

The accommodation case 200 may purify the air by filtering contaminants that may be included in the external air through the devices accommodated therein. Thereafter, the purified air may be supplied to the mask unit 100, and the air cleaning function may be performed by discharging the purified air to the outside while being separated from the mask unit 100.

According to one embodiment of the present invention, the mask unit 100 may be connected to the accommodation case 200 through the connection hose 300.

The connection hose 300 is a part for connecting the mask unit 100 and the accommodation case 200, and may be a passage through which purified air generated from the accommodation case 200 moves.

The connection hose 300 may be formed of a material whose shape can be deformed. For example, it may be in the form of a corrugated tube. Even if the connection hose 300 is excessively bent through the wrinkles formed in the connection hose 300, the air flow can be smooth without being blocked, and even when the user wears the mask unit 100 and the housing case 200 The length of the connection hose 300 is adjusted, or it is freely deformed in a straight or curved form, so there is little risk of damage, and the user can freely engage in activities while wearing the mask unit 100 and the housing case 200. there is.

Both ends of the connection hose 300 are connected to the hose assembly 120 and the accommodation case 200, respectively, and can be mutually coupled. Specifically, threads may be provided at coupling portions of the connection hose 300, the hose assembly 120, and the accommodation case 200, and the connection hose 300 is connected to the hose assembly 120 and the accommodation case 200, respectively. It can be coupled and fixed in the form of a screw connection.

In some embodiments, the connection hose 300, the hose assembly 120, and the accommodation case 200 may each include a magnetic material. In this case, the connection hose 300, the hose assembly 120, and the accommodation case 200 may be coupled and fixed by magnetic attraction.

Detailed configurations of the accommodation case 200 will be described later with reference to FIG. 3 .

2 is an exploded perspective view illustrating a mask unit of the electric air purifying respirator of FIG. 1;

Referring to FIG. 2, according to one embodiment of the present invention, the mask unit 100 includes a mask unit 110, a hose assembly 120, a controller unit 130, a sensor unit 140, a communication unit 150, It may include a processor (not shown) and a memory (not shown).

According to one embodiment of the present invention, the mask unit 110 is worn on the user's face and may cover at least a portion of the user's face. Specifically, it may cover the user's mouth and nose and adhere to the face. At this time, a breathing space may be formed between the mask unit 110 and the user's respiratory tract, and a passage through which air moves may be formed in the breathing space.

The mask unit 110 adheres closely to the user's face and blocks the user from being directly exposed to external air that may contain contaminants.

In addition, the mask unit 110 may receive purified air through the filter unit 500 to be described later and then continuously supply purified air in response to a respiratory rate required by the user. To this end, the inside of the mask unit 110 and the breathing space may maintain a constant air pressure. For example, a positive pressure, which is a pressure higher than atmospheric pressure, can be maintained.

The mask unit 110 can be closely adhered to correspond to different facial contours for each user, and can be formed of a material that can be stretched to secure a breathing space and maintain a state blocked from the outside. For example, it may be formed of rubber, synthetic resin material, cotton, nonwoven fabric, sponge, urethane, and the like.

According to one embodiment of the present invention, the mask unit 110 may include a tube coupling unit 111, a first valve 112, a head strap connection unit 113, and a nose pad 114.

According to one embodiment of the present invention, the tube coupling part 111 is a part connecting the mask part 110 and the hose assembly 120, and is wrinkled at both ends of the 'U' shaped hose assembly 120. It can be combined with the connecting tube 121 composed of.

The tube coupling part 111 may be formed in a structure capable of coupling with the connection tube 121 . Specifically, the inner surface of the tube coupling portion 111 may be provided with a screw thread that can engage with the wrinkles of the connecting tube 121, and the tube coupling portion 111 and the connecting tube 121 are coupled in a screw coupling form. can be fixed

In some embodiments, the tube coupler 111 and the connection tube 121 may each include a magnetic material. In this case, the tube coupler 111 and the connection tube 121 may be coupled and fixed by magnetic attraction.

The tube coupling portion 111 and the connecting tube 121 may be configured to be automatically separated from the connecting tube 121 when the internal pressure of the mask unit 100 is out of the set positive pressure range. .

For example, the tube coupling part 111 and the connecting tube 121 may be formed of a material having appropriate elasticity, and when the internal pressure of the mask unit 100 is out of the set positive pressure range, the mask unit 100 The internal pressure exceeds the frictional force of the screw coupling between the tube coupling portion 111 and the connecting tube 121, and the tube coupling portion 111 and the connecting tube 121 may be separated.

In addition, in some embodiments, the tube coupling part 111 and the connecting tube 121 may be made of a magnetic material having an appropriate magnetic attraction, and when the internal pressure of the mask unit 100 is out of the set positive pressure range, the mask The internal pressure of the unit 100 exceeds the magnetic attraction between the tube coupling portion 111 and the connecting tube 121, and the tube coupling portion 111 and the connecting tube 121 may be separated.

According to one embodiment of the present invention, the first valve 112 is an exhaust valve, supplies purified air to the breathing space, and controls the exhaust air discharged by the user and the purified air to circulate in one direction without mixing.

The first valve 112 may be exposed to the outside of the mask unit 110 to discharge exhaust air discharged by the user.

In the present invention, the first valve 112 is shown as being disposed on the front side of the mask unit 110, that is, at a position corresponding to the user's mouth, but is not limited thereto, and the first valve 112 is not limited thereto. If control of the flow is possible, it can be arranged in various locations, and more than one may be provided.

The first valve 112 may be opened or closed according to the user's breathing. For example, the first valve 112 may include a seal having a discharge hole and a flap corresponding to the discharge hole of the seal. When the user breathes in, as the pressure in the breathing space decreases, the flap contacts the discharge hole of the seal to maintain a closed state so that outside air does not flow into the mask unit 110, and the user breathes. When exhaling, as the pressure in the breathing space increases, the flap is separated from the discharge hole of the seal and the first valve 112 is opened, and the exhaust air discharged by the user may be discharged to the outside through the discharge hole.

Therefore, it is possible to block external air from flowing into the mask part 110 through the first valve 112, and the exhaled breath of the user is directly discharged to the outside so that the air flow inside the mask part 110 is not disturbed. The air can be controlled to flow in one direction without being mixed with the purified air. At this time, the degree of opening of the first air discharge port 124 may be adjusted according to the pressure of the mask unit 100, and the inside of the mask unit 100 may be maintained at a positive pressure by adjusting the amount of air discharged.

According to one embodiment of the present invention, the head tie strap connection part 113 is a part to which the head tie strap is fastened, and the user wears the mask unit 110 with the head tie strap connected to the head tie strap connection part 113. And, by tightening the hair tie, the mask unit 110 can be accurately fitted to the user's face.

According to one embodiment of the present invention, the nose support 114 is a part supported by the user's nose, and the nose support 114 may be deformed to correspond to the facial contour around the user's nose. The user wears the mask part 110 and adjusts the nose pad 114 to fit his/her nose so that the mask part 110 can be accurately fitted to the user's face.

The nose pad 114 may be formed of a material capable of shape deformation. For example, it may be formed of plastic or soft metal that retains its deformed shape.

According to one embodiment of the present invention, the hose assembly 120 is a part for moving the purified air to the mask unit 110 and is coupled to the tube coupling parts 111 at both ends of the mask unit 110, and the user's It is supported behind the neck and can be worn.

The hose assembly 120 is configured in a tube form so that air flows therein. When the hose assembly 120 is connected to the mask unit 110, the inner space of the hose assembly 120 and the breathing space of the mask unit 110 are connected to form one air circulation path. Thus, air may circulate inside the mask unit 100 . Specifically, the purified air supplied through the air inlet 122 of the hose assembly 120 may be moved to the mask unit 110 along the air circulation path.

According to one embodiment of the present invention, the hose assembly 120 may include a connection tube 121, an air inlet 122, a second valve 123 and a first air outlet 124.

According to one embodiment of the present invention, the connection tube 121 is a portion connecting the hose assembly 120 and the mask unit 110, and may be connected to the tube coupling unit 111 of the mask unit 110.

The connection tubes 121 are provided at both ends of the hose assembly 120 and may be formed of a material capable of contraction or expansion in the form of a corrugated tube. The mask unit 110 and the hose assembly 120 can be stretched or shortened in a connected state so as to fit the user's head.

The connection tube 121 may be formed in a structure capable of being coupled to the tube coupling part 111 . Specifically, the connection tubes 121 may be fitted into and fixed to the tube coupling part 111, and may be separated from each other when a predetermined force or more is applied. In addition, when the internal pressure of the mask unit 100 is out of the set positive pressure range, the connection tube 121 may be automatically separated from the tube coupling part 111.

The air inlet 122 is a part through which purified air is supplied from the accommodation case 200 . The air inlet 122 may be connected to the connection hose 300.

The air inlet 122 may be formed on the hose assembly 120 . For example, since the air inlet 122 is connected to the accommodating case 200 worn behind the user's back, it may be formed at the shortest distance from the outlet through which air is discharged from the accommodating case 200 . That is, the air inlet 122 may be located at the rear of the hose assembly 120, and may be formed in various positions within a range where there is no restriction on activities when worn when the accommodation case is in a form other than a backpack form.

The air inlet 122 may be connected to the connection hose 300 in a magnetic or screw manner. For example, a connection portion between the air inlet 122 and the connection hose 300 may be formed of a magnetic material. Alternatively, threads may be provided on the inner surface of the air inlet 122 and the outer surface of the connection hose 300, respectively, and the air inlet 122 and the connection hose 300 may be screwed together.

According to one embodiment of the present invention, the second valve 123 induces air to flow in a certain direction. The second valve 123 is formed inside the hose assembly 120 and may be formed as a one-way valve capable of preventing the movement of air. For example, the second valve 123 may include a seal having a discharge hole and a flap corresponding to the discharge hole of the seal. When purified air is supplied to the air inlet 122, the flap of the second valve 123 may be in contact with the discharge hole of the seal. Therefore, the purified air can circulate in only one direction.

At least one second valve 123 may be provided in a lateral direction relative to the air inlet 122, and may be formed on one of the left and right sides so that purified air supplied to the air inlet 122 flows in one direction. there is. For example, when the second valve 123 is formed on the left side, purified air supplied to the air inlet 122 is blocked by the second valve 123 on the left side and can circulate only to the right side. Conversely, when the second valve 123 is formed on the right side, purified air supplied to the air inlet 122 can circulate only to the left side.

According to one embodiment of the present invention, the second valve 123 suppresses the exhaust air discharged by the user and the remaining air not used for breathing by the user from being inhaled back into the user's respiratory tract through a reverse flow. For example, the purified air is supplied from the accommodation case 200 to one side of the hose assembly 120, introduced into the breathing space, and provided to the user. Residual air inhaled by the user may be mixed with exhaust air discharged by the user and reach the other side of the hose assembly 120 through the tube coupling portion 111 of the mask unit 110 . In this case, the second valve 123 blocks the flow of residual air and exhaust air, and the residual air and exhaust air may be discharged to the outside of the mask unit 100 through the first air outlet 124.

Here, one side of the hose assembly 120 may be in the direction in which the air inlet 122 is located with respect to the second valve 123, and the other side of the hose assembly 120 may be in the first direction relative to the second valve 123. It may be the direction in which the air outlet 124 is located. That is, the first air outlet 124 may be located on the opposite side of the air inlet 122 based on the second valve 123 .

According to one embodiment of the present invention, the controller unit 130 is a part for controlling power supply of the electric air purifying respirator 10 and manually controlling the speed of an intake fan designed to suck in outside air.

According to one embodiment of the present invention, the controller unit 130 may include a power button and a fan speed setting unit.

The power button is provided on the front of the controller unit 130, and is provided so that the user can input a command to operate or stop the operation of the electric air purifying respirator 10.

The fan speed setting unit is provided on the front of the controller unit 130 and may be a button capable of controlling the speed of the intake fan step by step. For example, the fan speed setting unit may be a manually operated wheel-shaped button.

Since the user can control the amount of outside air sucked into the filter unit by adjusting the speed of the intake fan through the fan speed setting unit, the collected amount of purified air can be maintained at an appropriate level.

The fan speed setting unit may adjust the supply amount of purified air supplied to the mask unit 100 by adjusting the speed of the intake fan. For example, when a user requires a large amount of breathing due to vigorous activity, the user can manually manipulate the fan speed setting unit to increase the speed of the intake fan, thereby continuously supplying purified air as much as desired.

In addition, the fan speed setting unit may operate automatically through a processor. For example, the user's respiratory volume may be measured in real time, and the speed of the intake fan may be automatically adjusted according to the measured respiratory volume. The user can use the fan speed setting unit by changing it to manual or automatic mode according to convenience.

According to one embodiment of the present invention, the sensor unit 140 may be a sensor that measures the user's respiratory rate or measures the internal pressure of the mask unit 100.

Data measured through the sensor unit 140 may be transmitted to a processor or may be stored in a memory. The sensor unit 140 may be disposed on the mask unit 100 to easily measure the user's breathing volume and the internal pressure of the mask unit 100 .

According to one embodiment of the present invention, the processor performs commands and data processing functions necessary for the operation of the powered air purifying respirator 10. Specifically, the processor may control the supply amount of purified air according to the breathing volume of the user, and perform control commands for continuously supplying the purified air and maintaining the inside of the mask unit 100 at a positive pressure.

The processor may control the amount of purified air supplied based on the user's breathing volume measured by the sensor unit 140 and the information on the internal pressure of the mask unit 100, and maintain the inside of the mask unit 100 at a positive pressure. there is. Therefore, through the processor, the user can continuously receive purified air as much as the user needs without manually setting the speed of the intake fan.

In addition, the processor may transmit user identification information from an externally located terminal to identify a user wearing the electric air purifying respirator 10 . The processor may identify the user wearing the electric air purifying respirator 10 based on the user identification information, and automatically set the speed of the intake fan to correspond to the user's respiratory volume information based on the user's respiratory volume information stored in the memory. Accordingly, the user may be provided with a customized breathing assistance function based on the user's respiratory volume and physical activity information.

The processor may be composed of various hardware such as a micro control unit (MCU), a central processing unit (CPU), and an application processor (AP) capable of performing various operations.

According to one embodiment of the present invention, the memory stores the user's respiratory volume information. Specifically, the breathing volume for each situation of users wearing the powered air purifying respirator 10 may be stored. For example, the respiratory volume information may be a respiratory volume measured by dividing a plurality of users into physical activities such as standing, walking, running, or performing a specific exercise.

At this time, the respiratory rate and the user's physical activity information may be data measured through the sensor unit 140, or may be data measured by an external terminal such as a smart phone or wearable device, or data input by the user to information about his or her activity. there is.

According to an embodiment of the present invention, the communication unit 150 may transmit respiratory volume information of the user to an external terminal and receive information about the user's physical activity from the external terminal. Accordingly, the powered air purifying respirator 10 can accurately supply purified air as much as the user needs based on the user's respiratory volume and physical activity information in conjunction with an external terminal.

The communication unit 150 may connect communication between the electric air purifying respirator 10 and an external terminal. For example, the communication unit 150 may include wireless fidelity (WiFi), Bluetooth (Bluetooth), near field communication (NFC), global positioning system (GPS), or cellular communication (eg, LTE, LTE-A, CDMA, Communication using at least one of WCDMA, UMTS, WiBro, or GSM) may be provided.

Here, the external terminal is a mobile phone, a smartphone, a tablet personal computer (PC), a wearable device capable of exchanging (or interlocking) data with the electric air purifying respirator 10 It may be a device, for example, a smart watch, smart glasses, or a head mounted display (HMD).

In some embodiments, the communication unit 150, the processor, and the memory may be configured in a module form in a power supply unit. In this case, the controller unit 140 only serves as a remote controller for controlling power and adjusting the speed of the intake fan, and may not perform an arithmetic operation.

According to one embodiment of the present invention, the connection hose 300 may include a detachable ring 310 attached to the lower end of the connection hose 300.

According to one embodiment of the present invention, the detachable ring 310 is a part attached between the accommodation case 200 and the connection hose 300, and can easily connect the accommodation case 200 and the connection hose 300. can In addition, the detachable ring 310 is attached to the second air outlet 210 at the top of the accommodating case 200, and foreign substances flow into the accommodating case 200 through the second air outlet 210, thereby contaminating the purified air. can prevent it from happening.

The detachable ring 310 may have the same shape as the connection hose 300 and the second air outlet 210 . For example, it is ring-shaped, and a strainer may be installed on the inner circumference of the detachable ring 310. In addition, the detachable ring 310 may have standards compatible with conventional electric powered air purifying respirators.

Detachable ring 310 may be formed of a magnetic material. Therefore, when the attaching surfaces of the connection hose 300 and the accommodation case 200 are formed of a magnetic material or a material in which attraction acts with the magnetic material, the connection hose 300 and the accommodation case 200 through the detachable ring 310 can be easily connected.

FIG. 3 is a perspective view for explaining an accommodating case of the electric air purifying respirator of FIG. 1;

Referring to FIG. 3 , the accommodation case 200 includes a second air outlet 210 , a vent 220 and a zipper 230 .

As mentioned above, the accommodation case 200 may include a storage space accommodating components for supplying purified air to a user or performing an air cleaning function of purifying air in a specific space.

According to one embodiment of the present invention, the accommodation case 200 is a mask unit 100, a connection hose 300, an air storage unit 400, a filter unit 500 and a power supply unit 600 through the storage space. It is acceptable. Each component may be organically connected or individually accommodated inside the accommodation case 200 . The storage space may be formed in a shape corresponding to the outer shape of each component so that the components accommodated therein do not escape or malfunction while the user is wearing the accommodation case 200 .

As shown in FIG. 3 , the accommodation case 200 may have a space in which the mask unit 100 can be separated and stored. Since the user can keep the mask unit 100 inside the accommodation case 200, the electric air purifying respirator 10 can be easily carried and moved.

According to one embodiment of the present invention, the second air outlet 210 is a part through which the purified air stored in the air storage 400 is discharged to the outside of the accommodation case 200, and is attached to the second air outlet 210 as a mask. When the connection hose 300 to which the unit 100 is coupled is coupled, purified air may be supplied to the mask unit 100 .

When the accommodating case 200 is operated in a state in which the connection hose 300 is not connected to the second air outlet 210, the purified air is discharged around the accommodating case 200 to clean the surrounding air of the accommodating case 200. It can also function as an air purifier. At this time, by attaching the detachable ring 310 on the second air outlet 210, it is possible to block external foreign substances from being introduced into the air reservoir 400.

According to one embodiment of the present invention, the ventilation unit 220 is a portion that sucks or releases air or heat, and may be formed in an open network structure on the surface of the accommodation case 200 .

The ventilation unit 220 may be formed on the front surface of the accommodation case 200 and may include a suction port through which external air passes and a heat outlet through which heat generated inside the accommodation case 200 is discharged.

As shown in FIG. 3, the ventilation unit 220 may be formed in a rectangular shape at the lower front portion of the accommodation case 200, and may be formed to correspond to the positions of the filter unit 500 and the power supply unit 600. . Since the outside air passing through the suction port moves to the filter unit 500, the location of the suction port can be formed at a position corresponding to the filter unit 500, and the heat outlet removes heat generated from the battery of the power supply unit 600. Since it is a part that is emitted to the outside, it can be formed at a position corresponding to the power supply unit 600.

In addition, the inlet and the heat outlet of the ventilation unit 220 may be formed of different types of networks. For example, the inlet may be formed in a pattern that facilitates inhaling external air, and may have a dense mesh structure to preferentially filter foreign substances having relatively large particles such as dust and pollen contained in the external air. On the other hand, the heating outlet is a part for dissipating heat inside the accommodation case 200, and the heating outlet may have a less dense mesh structure than the suction port.

According to one embodiment of the present invention, the zipper 230 is a part that opens the accommodation case 200, and helps to easily separate the components accommodated in the storage space inside the accommodation case 200 and facilitate replacement and cleaning. As shown in 3, it may be formed on the front upper part of the receiving case.

According to one embodiment of the present invention, the air storage unit 400 is housed in the storage space of the accommodation case 200, is a space for storing purified air, and is connected to the filter unit 500 to The air purified from the mask unit 100 may be stored and supplied to the mask unit 100 as much purified air as needed by the user.

The air storage unit 400 may be formed of a material capable of contraction and expansion. For example, the air storage unit 400 may be made of vinyl or rubber, and its volume may increase or decrease depending on the amount of air.

The air storage unit 400 may store a sufficient amount of purified air to continuously supply purified air in response to a change in respiratory rate due to a user's physical activity. For example, 2 to 3 liters of purified air can be saved.

The air storage unit 400 may be connected to the second air outlet 210 through a hose inside the accommodation case 200 . Accordingly, the air storage unit 400 may discharge purified air to the outside of the accommodation case 200 through the second air outlet 210 .

According to one embodiment of the present invention, the filter unit 500 performs a function of purifying contaminants that may be included in the external air by sucking in external air. The filter unit 500 may include an intake fan to suck in external air and move purified air passing through the filter unit 500 to the air storage unit 400 .

The filter unit 500 may be composed of multiple filters, may include purification filters that purify contaminants that may be included in the external air step by step, and may further include functional filters for adding functionality to the air that has passed through the purification filters. may also include Details of this will be described below with reference to FIG. 4 .

As shown in FIG. 3 , the filter unit 500 may be accommodated at the lower end of the accommodation case 200 . Since purified air can be generated by passing external air through the filter unit 500, a ventilation unit 220 may be disposed on a contact surface between the filter unit 500 and the housing case 200 to suck in external air. .

According to one embodiment of the present invention, the power supply unit 600 is a device for supplying power.

The power supply unit 600 may supply power to operate the intake fan of the filter unit 500 and supply power to the controller unit 130 of the mask unit 100 .

According to one embodiment of the present invention, the power supply unit 600 may include a cooling fan 620 and a battery 630 .

According to one embodiment of the present invention, the cooling fan 620 is configured to dissipate internal heat generated inside the accommodation case 200 to the outside. The cooling fan 620 can release the heat generated from the power supply unit 600 to the outside so that it does not stay inside the accommodation case 200, and releases the heat to the outside, thereby causing overheating and overheating inside the accommodation case 200. malfunctions can be prevented.

According to an embodiment of the present invention, the battery 630 is a device for storing power, and may receive and store power from an external power supply device and may be charged.

4 is an exploded perspective view illustrating a filter unit of the electric air purifying respirator of FIG. 1;

Referring to FIG. 4 , according to an embodiment of the present invention, the filter unit 500 is composed of multiple filters, and may be configured by combining a plurality of filters having different functions.

According to one embodiment of the present invention, the filter unit 500 may include a filter cover 510, a pre-filter 520, a HEPA filter 530, a functional filter 540, and an intake fan 550.

According to one embodiment of the present invention, the filter cover 510 is a part for preventing external impact and is a protection device for protecting the filter. Since the filter unit 500 is composed of a plurality of filters, it is detachable so that the filter can be easily replaced and cleaned, and a plurality of through-holes can be formed so that external air can be easily sucked into the filter unit 500. .

According to an embodiment of the present invention, the prefilter 520 is an outermost filter that primarily filters relatively large particle contaminants such as large dust, hair, lint, and hair that may be included in the external air. It is a filter.

The pre-filter 520 may serve to protect high-performance filters such as the HEPA filter 530 and the functional filter 540 located inside and extend their lifespan.

According to one embodiment of the present invention, the HEPA filter (530) is a high-performance device for filtering fine particles in the external air, and is a high-performance filter capable of removing ultra-fine dust, fine dust, aerosols, bacteria, and the like. It can maintain a filtration rate of 99.97% or more for particles with a diameter of 0.3 microns.

According to one embodiment of the present invention, the functional filter 540 is a device that adds functionality to the purified air that has passed through the prefilter 520 and the HEPA filter 530, for example, a fragrance filter or a drug-containing filter. can be

The fragrance filter is a filter that adds fragrance to the purified air that has passed through the pre-filter 520 and the HEPA filter 530, and removes odors that may not be removed even though the pre-filter 520 and the HEPA filter 530 pass through. do. In some embodiments, the fragrance filter may be configured to add an aromatic fragrance. Aromatherapy can help users manage their mental health, such as boosting their immunity and relieving stress.

The drug-containing filter is a device for adding drugs to the purified air that has passed through the pre-filter 520 and the HEPA filter 530, and may include, for example, drugs used for respiratory protection and respiratory treatment.

The drug-containing filter may be configured in the form of a filter containing drugs for preventing and treating respiratory diseases such as allergy and asthma. For example, it may be composed of a filter coated with a drug, a filter in which a drug in liquid form is absorbed, and a filter in which a drug in a powder form is adsorbed. In this case, when external air is introduced by the intake fan 550, the air purified through the pre-filter 520 and the HEPA filter 530 passes through the drug-containing filter, and the drug flows into the purified air flow. The drug introduced into the mask unit 100 along the flow of purified air may be inhaled into the user's respiratory system.

According to one embodiment of the present invention, the intake fan 550 is a device for inhaling external air and may be formed inside the functional filter 540 to pass through a plurality of filters by inhaling external air.

When the intake fan 550 rotates, a plurality of wings are formed to suck in airflow from the outside, and may include a motor for rotating the intake fan 550 . The intake amount of external air may be adjusted according to the speed of the intake fan 550, and the speed of the intake fan 550 may be manually controlled by a user or automatically controlled by a processor.

When the intake fan 550 operates, external air continuously passes through the filter unit 500 and purified air can be continuously collected. The collected purified air may be stored in the air storage unit 400, and the purified air stored in the air storage unit 400 may be continuously supplied to the mask unit 100 while the intake fan 550 operates. .

At this time, the user can breathe through the purified air supplied to the mask unit 100, and the purified air as much as the user breathes can be recharged in the air storage unit 400 through the intake fan 550. .

As described above, the powered air purifying respirator 10 according to an embodiment of the present invention can suck in external air and supply purified air to the user through the filter unit 500 .

In particular, the electric air purifying respirator 10 according to an embodiment of the present invention includes a filter unit 500 that purifies pollutants in the air sucked in from the outside and air that stores the purified air generated through the filter unit 500. A storage unit 400 is included. In particular, the air storage unit 400 supplies purified air as much as the user's breathing volume, and is formed of a material capable of contraction and expansion, so as to immediately provide the purified air fluidly according to the user's breathing volume. Accordingly, even if the user's respiratory rate changes rapidly, the user can be stably provided with purified air.

Specifically, a general powered air purifying respirator provides purified air at a constant flow rate regardless of a user's breathing volume. If the user exercises or the amount of activity increases, the user's respiratory rate may rapidly increase. However, since a general powered air purifying respirator can always provide only purified air at a constant flow rate, it may not be able to provide sufficient purified air to a user whose respiratory rate rapidly increases.

However, in the electric air purifying respirator 10 according to an embodiment of the present invention, the air purified through the filter unit 500 is not directly provided to the mask unit 100, and is stored in the air storage unit 400, Purified air stored in the air storage unit 400 is configured to be provided to the mask unit 100 . When the user's respiratory volume rapidly increases, purified air corresponding to the increased respiratory volume can be immediately provided from the air storage unit 400, and the user can be provided with a sufficient amount of purified air. That is, the filter unit 500 can purify only a certain amount of air, and even if the air purified by the filter unit 500 cannot sufficiently cover the rapidly increased respiratory rate of the user, the user can use the air storage unit 400 ), the user can be provided with sufficiently purified air, since the air stored in the device can be immediately supplied and inhaled. In particular, since the air storage unit 400 is formed of a material capable of contraction or expansion to easily provide purified air, purified air corresponding to the user's breathing volume can be quickly provided.

In addition, the electric air purifying respirator 10 according to an embodiment of the present invention includes a plurality of storage spaces, has an accommodation case 200 configured to be worn on a user's body, and includes an air storage unit 400 and a filter. The unit 500 is stored in the storage space of the receiving case 200. Therefore, the user can use the electric air purifying respirator 10 simply by carrying only the accommodation case 200 and wearing the mask unit 100. In particular, when the accommodation case 200 is configured in the form of a backpack, the user's activities can be facilitated, and the mask unit 100 can be stored in the storage space of the accommodation case 200, so the electric air purifying respirator 10 ) has the advantage of being easier to store and carry.

In addition, the mask unit 100 of the electric air purifying respirator 10 according to an embodiment of the present invention has a first valve that controls the air purified in the breathing space and the exhaust air discharged by the user to circulate in one direction without mixing ( 112), disposed inside the hose assembly 120, and controlling the exhaust air discharged from the user and introduced into the hose assembly 120 to circulate in one direction without mixing with the purified air. includes As described above, the first valve 112 is disposed around the user's respiratory system and is configured to discharge exhaust air discharged by the user to the outside, and is configured as a one-way valve that blocks the inflow of external air. In addition, the second valve 123 is disposed inside the hose assembly 120 and is configured to control the flow of air so that purified air introduced through the connection hose 300 flows in one direction. That is, as shown in FIG. 2, since the purified air introduced into the hose assembly 120 through the connection hose 300 does not pass through the second valve 123, it flows in only one direction, and the hose assembly ( 120) and the breathing space of the mask unit 110, air circulation in one direction is formed. Meanwhile, most of the exhaust air discharged by the user is discharged to the outside through the first valve 112, and some of the exhaust air is not discharged to the outside through the first valve 112 and flows back into the hose assembly 120. However, since the air flow of the hose assembly 120 is induced in one direction by the second valve 123, the exhaust air flows in one direction according to the air flow and can be discharged to the outside through the first air outlet 124. . Accordingly, the user can continuously receive only purified air, and even if the user's breathing volume increases, since the air flows in only one direction by the first valve 112 and the second valve 123, the user's exhausted air The problem of mixing with purified air can be minimized.

In addition, the mask unit 100 of the electric air purifying respirator 10 according to an embodiment of the present invention includes a sensor unit 140 for measuring a user's breathing volume, and the controller unit 130 includes a sensor unit 140 It is possible to adjust the supply of purified air based on the respiratory volume measured through the. Specifically, the controller unit 130 is configured to control the operating speed of the intake fan 550 based on the user's respiratory volume measured through the sensor unit 140 . Since the amount of intake air of the intake fan 550 is controlled according to the user's breathing volume, purified air according to the user's breathing volume can be provided to the air storage unit 400, and the user can receive purified air stably. .

In addition, the mask unit 100 of the electric air purifying respirator 10 according to an embodiment of the present invention includes a sensor unit 140 that measures the user's breathing volume, and the controller unit 130 monitors the user's physical activity. It interlocks with the measuring terminal and is configured to automatically adjust the supply of purified air based on the user's physical activity information and the respiratory volume information measured through the sensor unit 140. That is, the controller unit 130 matches and stores the user's physical activity information and respiratory volume information measured through the sensor unit 140, and when the user reuses the electric air purifying respirator 10 later, the user's physical activity The operating speed of the intake fan 550 may be controlled based on the respiratory volume information corresponding to the information. Accordingly, customized purified air for each user may be provided.

In addition, the filter unit 500 of the electric air purifying respirator 10 according to an embodiment of the present invention includes a functional filter 540 including a fragrance filter or a drug-containing filter. Since the fragrance filter can remove odors that may be generated from external air, the user can be provided with more pleasant purified air. In addition, the drug-containing filter provides drugs that can be used to protect the user's respiratory tract and treat or prevent respiratory diseases, thereby helping the user's respiratory health.

In addition, the accommodation case 200 of the electric air purifying respirator 10 according to an embodiment of the present invention is detachable from the mask unit 100 through the connection hose 300, and the accommodation case is the mask unit 100 In the case of over-detachment, the accommodation case 200 is configured to purify the surrounding air by discharging the purified air to the outside. Accordingly, in the electric air purifying respirator 10 according to an embodiment of the present invention, the mask unit 100 is separated, thereby providing an air cleaning function.

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

The scope of the present invention is indicated by the following claims rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be construed as being included in the scope of the present invention. do.

10: electric air purifying respirator 100: mask unit
110: mask part 111: tube coupling part
112: first valve 113: head strap connection
114: nose support 120: hose assembly
121: connecting tube 122: air inlet
123: second valve 124: first air outlet
130: controller unit 140: sensor unit
150: communication unit 200: receiving case
210: second air outlet 220: ventilation unit
230: zipper 300: connecting hose
310: detachable ring 400: air storage unit
500: filter unit 510: filter cover
520: pre-filter 520: HEPA filter
530: functional filter 550: intake fan
600: power supply unit 620: cooling fan
630: battery

Claims (10)

A mask unit worn on the user's head;
an accommodation case configured to be worn on the user's body;
a filter unit accommodated in the accommodation case and purifying pollutants in the air sucked in from the outside; and
An air storage unit accommodated in the accommodation case and storing air purified through the filter unit,
The air storage unit,
It supplies the purified air as much as the user's breathing volume and is formed of a material capable of contraction and expansion ,
The mask unit,
a mask unit worn on the user's face, covering at least a portion of the user's face, and including a breathing space inside;
a hose assembly connected to both sides of the mask unit through connection tubes to supply the purified air to the mask unit, and supported and worn around the user's neck;
a first valve disposed in the mask unit to be close to the user's nose and mouth and discharging the discharged air to the outside when the user discharges the discharged air; and
Inside the hose assembly, the purified air is disposed on one side adjacent to an air inlet into which the purified air is introduced, and the purified air is circulated in one direction from the air inlet toward the mask unit and supplied to the user. And a second valve for controlling the discharged air that is not completely discharged through the first valve to be discharged through the second discharge port without being mixed with the purified air. According to claim 1,
The mask unit,
Further comprising a controller unit for adjusting the supply amount of the purified air supplied from the air storage unit, powered air purifying respirator. delete delete According to claim 2,
The mask unit,
Including a sensor unit for measuring the user's breathing volume,
The controller unit,
A powered air purifying respirator for controlling the supply amount of the purified air based on the respiratory volume measured through the sensor unit. According to claim 2,
The mask unit,
a sensor unit for measuring the user's respiratory rate; and
And a communication unit for transmitting respiratory volume information measured through the sensor unit to a terminal used by the user,
The controller unit,
When the user uses the electric air purifying respirator by linking the user's physical activity information measured from the terminal with the respiratory volume information measured through the sensor unit, the supply amount of the purified air according to the user's physical activity information Automatically regulating, powered air purifying respirator. According to claim 1,
The receiving case,
It is detachable from the mask unit through a connection hose,
When the receiving case is detached from the mask unit, the powered air purifying respirator configured to purify the surrounding air by discharging the purified air to the outside. According to claim 1,
The filter part,
A filter cover for protection from external impact;
a pre-filter filtering the contaminants in the air;
a HEPA filter filtering fine particles of the air passing through the pre-filter;
a functional filter for adding functionality to the air passing through the HEPA filter; and
A powered air purifying respirator comprising an intake fan for inhaling air from the outside. According to claim 8,
The functional filter,
An electric air purifying respirator, a scent filter that emits scent. According to claim 8,
The functional filter,
A powered air purifying respirator, which is a drug-containing filter containing respiratory therapeutic drugs.

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