KR102399763B1 - Wearable air purifier - Google Patents

Abstract

The present invention provides a wearable air purifier including a main body formed to be worn on a user's neck. A filter for filtering out dust in the outside air, and a nozzle pipe connected to the inside of the main body so that air can flow, and a nozzle pipe having a nozzle opening formed in at least part of it, and the intake fan is driven through the nozzle opening To provide a wearable air purifier, characterized in that the air is discharged, the air curtain is formed on at least a part of the user's face.

Description

Wearable air purifier {WEARABLE AIR PURIFIER}

The present invention relates to an air purifier, and more particularly, to a wearable air purifier that a user can wear.

With the recent accelerated industrialization, air pollution such as smog phenomenon, increase in carbon dioxide, and destruction of ozone layer is getting serious day by day, and accordingly, interest in respiratory health and environmental protection is increasing.

For example, recently, it has become a daily routine to check the concentration of fine dust as if checking the weather. It was also made compulsory.

The outdoor air environment is often not pleasant due to yellow dust or fine dust in spring, and the indoor environment is also exposed to microorganisms such as mold and harmful substances such as asbestos, so the number of asthma and allergy sufferers is increasing.

As described above, if indoor or outdoor air is polluted, health problems may occur and people may feel uncomfortable in life. In recent years, the demand for air purifiers to protect health and feel comfortable life is increasing. .

An air purifier is a device that purifies pollutants contained in the air and replaces it with fresh air, and the air purifier is becoming an essential item in homes and offices. These air purifiers are fixed and large in size, so there is a problem in that they cannot be carried.

Therefore, there is an urgent need for implementing a technology that can solve these problems.

KR 10-1701828 B1 KR 10-1988033 B1 KR 10-2019-0014604 A1

An object of the present invention is to provide a wearable air purifier capable of maintaining the user's respiratory health from polluted air around the user by forming an air curtain using purified air around the user's respiratory tract.

In order to solve the above problems, the present invention provides a wearable air purifier including a main body formed to be worn on a user's neck. A filter for filtering out dust in the outside air that is positioned on the front side and is connected to the inside of the main body to allow air to flow, at least part of which includes a nozzle pipe having a nozzle opening formed therein, and by driving the intake fan It provides a wearable air purifier, characterized in that the purified air is discharged through the nozzle hole, an air curtain is formed on at least a part of the user's face.

According to an embodiment, it may further include a connection pipe formed upward from any one part of the body, the connection pipe having a passage communicating with the body and the nozzle pipe.

According to one embodiment, it is connected to at least one side of the nozzle tube, it may further include a hanging member for hanging the nozzle tube to the user's ear.

According to an embodiment, the nozzle sphere is located around the user's face and cheeks, but may face the user's respiratory tract.

According to an embodiment, the filter may be formed over the upper surface of the main body.

According to one embodiment, the nozzle tube, the nozzle tube front end having a space that can contain a fragrance or drug, the nozzle tube middle portion formed with the nozzle hole, and for bending the nozzle tube middle portion in each direction Including a rear end of the nozzle tube having a bent portion, each of the front end of the nozzle tube, the middle portion of the nozzle tube, and the rear end of the nozzle tube may be coupled and detachable.

According to one embodiment, it is installed on the outside of the nozzle sphere, it may further include a nozzle sphere cover for opening and closing at least a portion of the nozzle sphere.

According to an embodiment, a sensor unit for detecting the movement of the main body, and a moving speed of the main body using an output value of the sensor unit, and controlling the driving of the intake fan according to the moving speed, It may further include a control unit for differently controlling the amount of air discharged through the.

According to an embodiment, further comprising a microphone for collecting the noise of the intake fan, wherein the control unit may output a sound for canceling the noise of the intake fan through an output unit using the sound collected through the microphone. there is.

According to an embodiment, further comprising a communication unit for communicatively connecting with an external terminal, wherein the external terminal receives air quality information of a current location from an environmental information collection server, and the control unit controls the intake fan according to the air quality information. The driving speed can be controlled.

Since the wearable air purifier according to the present invention forms an air curtain using purified air around the user's respiratory tract, it is possible to maintain the user's respiratory health from polluted air.

In addition, by controlling the operation of the intake fan according to the movement speed of the user, it is possible to maintain the user's respiratory health in various environments or conditions.

In addition, by storing an air freshener or a drug for respiratory treatment in the nozzle tube, it is possible to relieve the user's discomfort or to use the drug easily.

In addition, the nozzle opening, etc. that can be touched by foreign substances such as saliva of the user can be disassembled, so that cleaning and disinfection is easy, it is possible to maintain a good sanitary state.

In addition, since the nozzle tube of the wearable air purifier according to the present invention has a shape similar to the portion where the microphone of the headset is installed, when a microphone located around the nozzle is used, the headset function can be smoothly exhibited.

In addition, the wearable air purifier according to the present invention is worn on a user's neck and removes noise generated when an intake fan is driven, thereby eliminating discomfort caused by noise generated during wearing.

In addition, the wearable air purifier according to the present invention can control the operation of the intake fan according to the level of air pollution around the user even without a sensor for measuring the air pollution level therein.

1 is a view showing the overall appearance of a wearable air purifier according to an embodiment of the present invention.
2 is a conceptual diagram for explaining the operation of the wearable air purifier according to an embodiment of the present invention.
3 is a view showing an air curtain area formed by a wearable air purifier according to an embodiment of the present invention.
4 is a view showing a body of a wearable air purifier according to an embodiment of the present invention.
5A is a view showing an intake fan and a filter according to an embodiment of the present invention.
5B is a view showing an intake fan and a filter according to another embodiment of the present invention.
6 is a block diagram for explaining the operation of the wearable air purifier according to an embodiment of the present invention.
7 is a view showing a part of the nozzle tube according to an embodiment of the present invention.
8 is a view showing a cross-section of a nozzle sphere according to an embodiment of the present invention.
9 is a view showing a nozzle sphere cover according to an embodiment of the present invention.
10 is a block diagram of a wearable air purifier according to an embodiment of the present invention.

Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numbers regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "part" for the components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have distinct meanings or roles by themselves. In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed herein is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention , should be understood to include equivalents or substitutes.

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various elements, but the elements are not limited by the terms.

The above terms are used only for the purpose of distinguishing one component from another.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The singular expression includes the plural expression unless the context clearly dictates otherwise.

In this specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

1 is a view showing the overall appearance of a wearable air purifier according to an embodiment of the present invention.

As shown in FIG. 1 , the wearable air purifier 100 according to an embodiment of the present invention includes a main body 110 formed to be worn on a user's neck among body parts of the user, and external air by being located inside the main body 110 . At least one intake fan (111, 111a, 111b) for sucking in the intake fan, the filter (112, 113) for filtering the dust in the intake outside air, which is located in front of the intake fan, so that the inside of the main body 110 and air can flow It is connected and includes a nozzle pipe 120 having a nozzle opening 121 with an opening at least in part, and purified air is discharged through the nozzle opening 121 by driving the intake fans 111, 111a, 111b, By forming an air curtain on at least a part of the user's face, it is possible to maintain the user's respiratory health from polluted air.

That is, it is possible to block the inflow of external air around the user's face directly into the nose or mouth by blowing the purified air around the user's nose or mouth to form an air oil film.

However, since the components shown in FIG. 1 are not essential, it goes without saying that a wearable air purifier having more or fewer components than that can be implemented.

Hereinafter, each component will be described.

The body 110 is a pipe in the shape of a neckband having a curvature corresponding to the curvature of a person's neck so that it can be worn around the user's neck in the form of a hanger. can have

4 is a view showing a body of a wearable air purifier according to an embodiment of the present invention.

As shown in FIG. 4 , the main body 110 may be an approximately U-shaped or C-shaped pipe so that it can be worn around the user's neck, and the main body 110 in consideration of the user's wearing convenience and the user's activity after wearing. ) The overall size may be 13 to 25 cm in width and 15 to 27 cm in height, preferably 15 to 22 cm in width, 17 cm to 24 cm in height, and optimally 15 cm in width and 17 cm in height.

When a user wears, a portion extending toward the front of the user's torso and a portion extending toward the upper rear of the user's torso or the rear of the user's neck, centering on the bent portion of the body 110 seated around the user's clavicle, is formed. The angle between the angles θ may be 140 to 180°, preferably 140 to 150°, in order to improve the fit.

In addition, by forming the outer surface so that the area of the inner surface and the bottom surface of the main body 110 is wider than the area of the outer surface and the upper surface of the main body 110, that is, the area in which the main body 110 is in contact with the user's skin becomes wider, It is preferable that the wearable air purifier 100 according to an embodiment of the present invention distributes the pressure applied to the user as much as possible, thereby minimizing the user's wearing weight. Although the present invention does not specifically limit the area, the area of the body 110 in contact with the user's skin may be 108 cm ² .

A portion of the inner hollow portion of the body 110 may have a flow path through which air may flow, but a circuit board or a battery may be disposed in the remaining portion, and the portion and the remaining portion are partitioned by a partition wall. can be formed.

Specifically, a section from the intake fans 111 , 111a , 111b to the through hole T connected to the connection pipe 130 may be a hollow section, and the circuit board or battery may be disposed in the remaining section. However, the body 110 in the form of a neckband is preferably arranged evenly on both sides of the body 110 so that the components, particularly the batteries, form a pair so that the weight can be evenly distributed on the left and right sides, and each of the batteries is placed in the body 110 ), by placing about 1/3 of the total weight toward the front when the user wears it, it is possible to give the user a sense of wearing stability when wearing it.

The intake fans (111, 111a, 111b) are located inside the body 110 and are means for sucking outside air, and if they are for introducing outside air into the body 110, the type is not particularly limited, and the type is not particularly limited. It may include at least one.

At this time, the main body 110 is positioned corresponding to the front surface of the intake fans 111, 111a, 111b so that outside air can be introduced into the main body 110 by driving the intake fans 111, 111a, 111b disposed therein. An outdoor air inlet through which outdoor air may be introduced may be formed.

In addition, on the front surface of the intake fans (111, 111a, 111b) or on the outside air inlet, filters (112, 113) for filtering out the dust in the outside air sucked when outside air is introduced by driving the intake fans (111, 111a, 111b) are included. can do.

The filters 112 and 113 are provided to provide the user with purified air filtered by filtering foreign substances in the air, and the type is not particularly limited, but according to an embodiment, it is made of a non-woven fabric or a cloth material and has a particle size of 10 μm or more. A prefilter that filters, a medium filter that filters 0.3~10㎛ of particle size made of fine glass fiber material, and a particle size of 0.3~10㎛ made of a material mixed with fine glass fiber and synthetic fiber A bag filter that filters out particles, a HEPA filter that filters 0.2-0.3㎛ particle size, and a ULPA filter that filters fine particles with a particle size of 0.1㎛ (Ultra Low Particulate Air filter) can be done

According to one embodiment, the filters 112 and 113 are arranged in a plurality of layers to first filter out foreign substances having large particles, and then sequentially to filter foreign substances having relatively small particle sizes, It can also be filtered.

Of course, it is preferable that the filters 112 and 113 according to an embodiment of the present invention are implemented to be detachable and replaceable when the life of the filters 112 and 113 is over.

Since the filters 112 and 113 made of nonwoven fabric or cloth can be easily deformed or damaged by external force, in order to prevent this, the front surface of the filters 112 and 113 has a filter cover (not shown) in the form of a grid pattern. ) may be further included.

On the other hand, the nozzle tube 120 is formed to be able to communicate directly or indirectly with the body 110, at least a portion may have a nozzle opening 121 formed therein. The nozzle tube 120 is connected to the inside of the body 110 so that air can flow with each other. It can be sprayed to the outside through

The nozzle sphere 121 is opened in at least a part of the user's face, specifically in the direction around the user's nose and mouth, so that purified air is sprayed around the user's respiratory tract, so that an air curtain is installed on the user's respiratory tract. can be formed.

Figure 2 is a conceptual diagram for explaining the operation of the wearable air purifier according to an embodiment of the present invention, Figure 3 is a view showing an air curtain area formed by the wearable air purifier according to an embodiment of the present invention. .

As shown in FIGS. 2 and 3 , outside air containing fine dust is introduced into the main body 110 by driving the intake fan 111 , and the fine dust in the outside air is filtered by the filters 112 and 113 . Thus, the purified air is provided around the user's mouth or nose, so that the air curtain regions Z1 and Z2 can be formed around the user's mouth or nose.

As shown in FIG. 3 , centered on the point toward which the nozzle sphere 121 faces, the first air curtain area Z1 has a relatively higher fine dust removal rate than the surrounding area, and the second air curtain area Z1 has a relatively lower fine dust removal rate than this. An air curtain region Z2 may be formed.

According to an embodiment to be described later, the PM2.5 concentration of PM2.5 in the first air curtain region Z1 with a radius of 4 cm was 10 μg/m ³ , and the second air curtain region with a radius of 10 cm around the first air curtain region Z1 The fine dust concentration of PM2.5 in (Z2) was 50㎍/ ^m3 .

That is, since the purified air is sprayed through the nozzle opening 121 to form an air curtain, the user's respirator is blocked from the external air, and the purified air is supplied through the user's respirator, thereby having the function of an air purifier.

The nozzle hole 121 is an outlet through which the air flowing inside the body 110 is ejected to the outside, and the opened shape or number is not particularly limited, but as shown in FIG. It may be in a form in which a plurality of holes are perforated.

However, according to a preferred embodiment, when it is assumed that the nozzle sphere 121 has the inner side of the main body 110 as the inlet and the outer side of the main body 110 as the outlet, the area of the nozzle sphere 121 is廣出狹) and the entrance and exit of the light (入狹出廣) are sequentially made, but overall has the form of the entrance and exit narrowing (refer to FIG. 8), the air in an irregular state inside the body 110 through the nozzle port 121 It is desirable to quickly and orderly eject so that the air curtain is densely formed around the user's respiratory tract.

The nozzle sphere 121 is located at approximately one end of the nozzle tube 120, that is, at one side of the user's face, approximately the cheek area when wearing the wearable air purifier 100, and sprays filtered air, so that parts other than the user's respiratory tract are It is desirable to make the air curtain densely formed only on the respiratory part except for.

According to an embodiment of the present invention, outside air introduced through the intake fans 111, 111a, 111b through the filters 112 and 113 is provided to the user's respirator through the nozzle opening 121 according to an embodiment of the present invention. 6 shows the configuration of the wearable air purifier.

The area of the air curtain formed by the wearable air purifier 100 according to an embodiment of the present invention is approximately a region Z1 with a radius of 4 cm centered on the pharynx, and the air filtered through the nozzle hole 121 is It is preferable that the speed of the air injected through the nozzle opening 121 is 1.2 m/s so that it does not directly flow into the respirator when it is injected into the user's face. This is because, in general, since the walking speed of a person is 1 m/s, it is preferable that the level of the south breeze is a level at which a person does not feel discomfort.

To this end, the interval between the nozzle sphere 121 and the user's face may be 1 cm, the jet angle of the air injected through the nozzle sphere 121 may be 152°, and the total area of the hole through which the air is injected may be 0.0002 m 2 .

On the other hand, the main body 110 is worn around the user's neck, the nozzle sphere 121 is formed upward from any one part of the main body 110 so that it can be positioned on the user's cheek as described above, the main body 110 ) and the nozzle tube 120 may include a connection tube 130 having a passage through which air can flow.

The connecting pipe 130 has a hollow inside to form a flow path through which air can flow, and one end is connected to a through hole T formed in the upper portion of the body 110, and the other The end is connected to a through hole (not shown) formed in the lower portion of the nozzle tube 120 , and the air inside the body 110 passes through the connection tube 130 and the nozzle tube 120 to the outside through the nozzle hole 121 . can be sprayed with

The connector 130 is preferably a silicone tube, a rubber tube, or a tube made of various polymer materials so as to improve the user's wearing comfort and to have durability against external impact. Since the length cannot be uniform, the length of the connector 130 is preferably longer than the neck length of a typical user.

However, in order to maintain the height of the nozzle sphere 121 or the nozzle tube 120, according to an embodiment of the present invention, it is connected to at least one side of the nozzle tube 120, and the nozzle tube 120 to the user's ear. It may further include a hanging member 140 to be hung.

As shown in FIG. 1 , the user wears the hook member 140 on the ear, so that the nozzle tube 120 and the nozzle sphere 121 formed thereon can be located on the side of the user's face, specifically around the user's cheek. Accordingly, the filtered air is sprayed from the side of the user's face in the direction of the user's respirator, thereby forming an air curtain around the user's respirator.

On the other hand, the intake fans (111, 111a, 111b) is sufficient if located in a part of the hollow in the body 110, according to an embodiment, as shown in FIG. (100) may be disposed on the back of the user's neck wearing.

In the present specification, the opening direction in the body 110, which is generally circular, is set as the front side, and the opposite direction is determined as the rear side, and description will be made based on this.

The intake fans 111, 111a, 111b may be one or plural, and in the case of a plurality of intake fans 111, 111a, 111b, the plurality of intake fans 111, 111a, 111b is The main body 110, which is the central part of the main body 110, is preferably disposed adjacent to each other, so that the weight of the wearable air purifier 100 according to an embodiment of the present invention according to the position of the fan is not biased to either side. ) is more preferably located on the back side.

According to another embodiment of the present invention, as shown in FIG. 5B , the filters 112 and 113 may be formed and installed to span the entire upper surface of the main body 110 , and in this case, the intake fans 111 and 111a , 111b) can be positioned in at least one part of the hollow part in the main body 110, so it is possible to increase the degree of freedom for the installation position of the intake fans 111, 111a, 111b, and occupy a significant portion of the main body 110 exterior The filters 112 and 113 provided are consumables that are replaced regularly or irregularly, and because the appearance of the wearable air purifier 100 according to an embodiment of the present invention changes according to the replacement, the user can change according to his or her preference or taste. It has the effect of increasing the usability as an accessory by transforming it into a product with a variety of colors or designs according to it.

On the other hand, Figure 7 is a view showing a part of the nozzle tube according to an embodiment of the present invention.

As shown in Figure 7, the nozzle tube 120 according to an embodiment of the present invention, the nozzle tube front end portion (120a) having a space that can contain a fragrance or drug, and the nozzle sphere 121 It may include the formed nozzle tube middle portion (120b), and the nozzle tube rear end portion (120c) having a bent portion (122) capable of bending the nozzle tube intermediate portion (120b) in each direction.

At this time, it is preferable that each of the nozzle tube front end portion 120a, the nozzle tube middle portion 120b and the nozzle tube rear end portion 120c can be coupled and separated from each other. Specifically, the part where the nozzle pipe front end 120a and the nozzle pipe middle part 120b face each other and overlap, and the nozzle pipe middle part 120b and the nozzle pipe rear end part 120c face each other and overlap each other. The distal ends of each part may be formed with male or female threads to correspond to each other to be screwed together.

Since the nozzle sphere 121 is located around the user's face, foreign substances such as the user's saliva can come into contact with the nozzle sphere 121, etc. For easy cleaning and disinfection, the nozzle hole 121 is preferably disassembled and cleaned as needed.

On the other hand, according to an embodiment of the present invention, the nozzle tube front end portion 120a may have a space of a predetermined size therein, and it is preferable that a fragrance or a drug beneficial to the user's respiratory health are contained in the space.

As shown in Figure 7, the nozzle tube front end portion 120a of approximately hemispherical or cylindrical shape may be provided with a perforated plate (c) having a plurality of through holes formed therein, and the nozzle tube front end portion formed by the perforated plate (c) An air freshener or drug may be provided in the inner space of 120a.

The nozzle tube 120 has a hollow inside so that air can flow from the nozzle tube rear end 120c to the nozzle tube front end 120a through the connecting tube 130, and the intake fans 111, 111a, 111b The air inside the nozzle tube 120 by driving pressure applies an impact to the fragrance or drug provided in the front end portion 120a of the nozzle tube, and the substance diffused from the fragrance or drug by the impact is the nozzle tube interruption part 120b ) may be sprayed to the outside together with air through the nozzle hole 121 formed in the .

Through this, there is an effect that a user who wears the wearable air purifier 100 according to an embodiment of the present invention can easily remove discomfort due to odor or request drug treatment.

As described above, the nozzle sphere 121 is located on the cheek, which is the side of the user's face, and must be arranged to face the user's nose and mouth, so the nozzle sphere 121 or the nozzle tube middle part 120b is not only in the front-back direction , the rear end of the nozzle tube 120c may have a bent portion 122 so as to be bendable as needed in each side direction.

According to an embodiment, the bent portion 122 may be in the form of a corrugated pipe that is stretchable in the longitudinal direction and can be bent in the vertical or left and right directions, but is not necessarily limited thereto.

On the other hand, Figure 9 is a view showing a nozzle sphere cover according to an embodiment of the present invention.

As shown in Figure 9, according to an embodiment of the present invention, the nozzle sphere 121 includes a nozzle sphere cover (121a) that can cover at least a portion of the nozzle sphere 121 on the outside, the nozzle sphere cover (121a) is installed to be movable in the front and rear direction, so that at least a part of the nozzle opening 121 is opened and closed according to the movement of the nozzle opening cover 121a, so that the user can adjust the amount of air injected to the face as needed It is preferable to do

When the user feels discomfort by the air curtain formed on the face, the nozzle opening cover 121a can be used to block the nozzle opening 121 to solve this problem, and when the user drinks or eats food, foreign substances can enter the nozzle. There is an effect that can block it so as not to flow into the sphere (121).

Meanwhile, FIG. 10 is a block diagram of a wearable air purifier according to an embodiment of the present invention.

As shown in FIG. 10 , the wearable air purifier 100 according to an embodiment of the present invention uses the sensor unit 260 for detecting the movement of the body 110 and the output value of the sensor unit 260 . The control unit 210 may include a control unit 210 that calculates the moving speed of the main body 110 and differently controls the amount of air discharged through the nozzle opening 121 through driving control of the intake fan 250 according to the moving speed.

The user can move while wearing the wearable air purifier 100 according to an embodiment of the present invention, and the position of the air curtain formed on the user's face is changed due to the air facing the user's face depending on the moving speed. There is a problem in that the area of the air curtain is reduced.

In order to solve such a problem, the wearable air purifier 100 according to an embodiment of the present invention detects the movement of the main body 110, calculates the movement distance according to time, according to the movement speed of the main body 110 It is preferable to differently control the amount of air injected from the nozzle opening 121 accordingly, so that the air curtain formed on the user's face respirator can be maintained.

The control unit 210 is based on the flow rate (eg 1.2 m/s) of the air sprayed through the nozzle sphere 121 at the user's normal movement speed (eg 1 m/s) when the user's movement speed increases By increasing the driving speed of the intake fans 111, 111a, 111b, the flow rate of the air injected through the nozzle opening 121 is increased. It is possible to lower the flow rate of the air injected through the sphere 121, but to the base flow rate at which the air curtain is formed in the area Z1 with a radius of 4 cm centered on the pharynx of the user's face when there is no movement of the user.

In this case, the sensor unit 260 may be any means capable of detecting the movement or movement speed of the user, but according to an embodiment, may be an acceleration sensor. The control unit 210 may calculate the movement speed using the measured value output from the sensor unit 260, but in addition to this, information on the movement speed may be received from an external mobile terminal through the communication unit 240, etc. Of course, the controller 210 can calculate the moving speed of the main body 110 by various methods.

The wearable air purifier 100 according to an embodiment of the present invention may include a communication unit 240 for communication with an external mobile terminal (not shown).

Here, the external terminal is a device capable of communicating with an environmental information collection server that collects and provides environmental information related to air pollution, such as fine dust concentration, ozone concentration, and carbon dioxide concentration by location, according to an embodiment of the present invention, and the type is specially selected. Without limitation, for example, a portable mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation system, a slate PC , may be implemented in the form of a mobile terminal such as a tablet PC, an ultrabook, or the like.

The control unit 210 may receive data from the external terminal receiving the air quality information of the current location from the environmental information collection server through the communication unit 240, and may control the driving speed of the intake fan 250 according to the air quality information.

Specifically, when the air quality is poor according to the current location of the user, it is preferable to lower the air pollution level around the user's respiratory tract by providing the filtered air to the user's respiratory tract at a high speed.

Of course, the wearable air purifier 100 according to an embodiment of the present invention may receive a user input through the input unit 220 and control the driving speed of the intake fan 250 according to the user input.

In this way, according to an embodiment of the present invention, even if a separate sensor for measuring the air pollution level is not provided, even if the user does not perform a separate operation, there is an effect of controlling the driving of the intake fan according to the air pollution level around the user.

Meanwhile, according to an embodiment of the present invention, the output unit 230 may include a light emitting means for emitting light of different colors around the main body 110 according to the air quality information received from the external terminal.

For example, the control unit 210 receives data from the external terminal receiving the air quality information of the current location from the environmental information collection server through the communication unit 240, and emits red light when the air quality is bad according to the air quality information, Green light can be emitted when the air quality is good.

Of course, through the input unit 220, if necessary, the user may turn on/off whether to emit light through a manipulation input.

Meanwhile, the intake fan 250 may generate noise depending on the driving speed. Since the wearable air purifier 100 according to an embodiment of the present invention is worn on the user's neck, noise caused by the operation of the intake fan 250 may be very well audible to the user's ear.

In order to solve this problem, the input unit 220 according to an embodiment of the present invention may include a microphone for collecting the noise of the intake fan 250, and the control unit 210 receives the sound collected through the microphone. By using, the output unit 230 is an air conduction (eg, speaker, earphone or headphone, etc.) and / or bone conduction (eg, bone conduction headset or headphone, etc.) sound transmission method By outputting a sound for canceling the noise of the intake fan 250 , noise generated from the intake fan 250 can be removed.

In this case, the microphone may be installed around the intake fan 250 , but the installation position or direction is not particularly limited.

In addition to the microphone for removing the noise of the intake fan 250, the input unit 220 according to an embodiment of the present invention is located in a part of the nozzle tube 120 and includes a voice microphone (not shown) for collecting the user's voice. may include more.

In the nozzle tube 120 according to an embodiment of the present invention, since the nozzle sphere 121 is located on the side of the user's face, as shown in FIG. By using , the user's voice can be easily collected and the headset function can be smoothly performed through this.

Of course, in addition to outputting a sound for removing ambient noise, the output unit 23 may receive and output a sound signal such as music from an external terminal connected to be communicable through the communication unit 240 .

On the other hand, the wearable air purifier 100 according to an embodiment of the present invention may include a biometric information acquisition unit (not shown) for acquiring biometric information about the user.

Since the main body 110 is in close contact with the user's body when worn, a part of the outer surface of the main body 110, specifically, the user's biometric information through the biometric information acquisition unit installed to be exposed to a part of the lower or inner surface of the main body 110 , that is, at least one of information about the user's heart rate, respiration rate, body fat, blood pressure, blood sugar, etc. may be obtained relatively accurately.

The control unit 210 may simply transmit to an external terminal through the communication unit 240 using the user's biometric information obtained using the biometric information acquisition unit, or transmit an alarm signal when it does not reach the reference value, and furthermore acquires the biometric information When the user's respiration level is lowered by using the user's respiration rate calculated through the part, it is preferable to reduce the user's discomfort by lowering the driving speed of the intake fan 250 .

On the other hand, unexplained reference numeral 270 in FIG. 10 is a power supply unit, which is for supplying power to each component included in the wearable air purifier 100 according to an embodiment of the present invention, and can be charged by an external commercial power supply. It is preferable that the battery is replaceable or replaceable.

As above, preferred embodiments of the present invention have been described in detail with reference to the drawings. The description of the present invention is for illustrative purposes, and those skilled in the art to which the present invention pertains will understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention.

Accordingly, the scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modifications derived from the meaning, scope, and equivalent concept of the claims are included in the scope of the present invention. should be interpreted

100: wearable air purifier 110: body
111, 111a, 111b: intake fan 112, 113: filter
120: nozzle tube 120a: nozzle tube front end
120b: the middle part of the nozzle pipe 120c: the rear end of the nozzle pipe
121: nozzle opening 121a: nozzle opening cover
122: bent part 130: connector
140: hanging member 210: control unit
220: input unit 230: output unit
240: communication unit 250: intake fan
260: sensor unit 270: power unit
Z1, Z2: Air curtain area

Claims (10)

In the wearable air purifier comprising a body formed to be worn on a user's neck,
at least one intake fan positioned inside the main body to suck outside air;
a filter positioned in front of the intake fan to filter out dust in the suctioned outside air;
a nozzle tube connected to the inside of the main body so that air can flow, and having a nozzle opening formed in at least a portion of the nozzle tube; and
a nozzle sphere cover installed on the outside of the nozzle sphere to open and close at least a portion of the nozzle sphere;
including,
The wearable air purifier according to claim 1 , wherein the purified air is discharged through the nozzle hole by driving the intake fan, and an air curtain is formed on at least a part of the user's face. The method of claim 1,
a connection pipe formed upward from any one part of the body and having a passage communicating with the body and the nozzle pipe;
Wearable air purifier, characterized in that it further comprises. The method of claim 1,
a hook member connected to at least one side of the nozzle tube to hang the nozzle tube on a user's ear;
Wearable air purifier further comprising a. The method of claim 1,
The nozzle sphere is a wearable air purifier, characterized in that it is positioned around the user's face and cheeks, but is directed toward the user's respiratory tract. The method of claim 1,
The filter is a wearable air purifier, characterized in that formed over the upper surface of the main body. The method of claim 1,
The nozzle tube has a nozzle tube front end having a space to contain a fragrance or a drug, a nozzle tube middle portion in which the nozzle hole is formed, and a nozzle tube rear end having a bent portion for bending the nozzle tube intermediate portion in each direction including wealth,
A wearable air purifier, characterized in that each of the front end of the nozzle tube, the middle portion of the nozzle tube, and the rear end of the nozzle tube can be combined and separated. delete The method of claim 1,
a sensor unit for detecting the movement of the body; and
a control unit for calculating the moving speed of the main body using the output value of the sensor unit and differently controlling the amount of air discharged through the nozzle hole through driving control of the intake fan according to the moving speed;
Wearable air purifier further comprising a. 9. The method of claim 8,
a microphone for collecting the noise of the intake fan;
further comprising,
The control unit, using the sound collected through the microphone, a wearable air purifier, characterized in that outputting a sound for canceling the noise of the intake fan through an output unit. 9. The method of claim 8,
a communication unit for connecting so as to be able to communicate with an external terminal;
further comprising,
The external terminal receives air quality information of a current location from an environment information collection server, and the control unit controls a driving speed of the intake fan according to the air quality information.

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