KR102113286B1 - Portable air cleaner - Google Patents

Abstract

The present invention relates to a portable air cleaner that can effectively purify contaminated air through fine dust filtering and an LED unit while serving as a portable electric fan and also can be easily maintained. The portable air cleaner includes: a reflector which is installed in the center portion of the back surface of a rear housing and extended into the rear housing; a filter unit which is accommodated in the rear housing to be adjacent to the back surface of an intake fan unit and the back surface inside the rear housing and is equipped with a built-in filter to filter fine dust; and an LED unit which is fitted and fixed to the center of the back surface of the intake fan unit so that ejected ultraviolet rays are reflected and diffused along a surface of the reflector.

Description

Portable air cleaner {PORTABLE AIR CLEANER}

The present invention relates to a portable air purifier. More specifically, the present invention relates to a portable air purifier that can act as a portable electric fan, but can more effectively purify the air contaminated by the fine dust filtering and the LED unit, and is easy to maintain.

Figure 1a shows the air purifying device 10 of a conventional portable fan.

That is, as shown in Figure 1a, the filter 12 for filtering the contaminants in the air that is provided inside the body 12 to the portable electric fan, and a fixing portion for fixing the body 12 to the rear of the portable electric fan ( 30).

At this time, the filter 20 is formed by folding in a zigzag form and includes a sheet material 22 for filtering contaminants and a support 24 for forming a lattice shape and attached to one surface of the sheet material 22 to support the sheet material. Doing.

The sheet material 22 is continuously folded in a zigzag form along the long axis direction, and is formed by bending in a donut shape such that one end is directed toward the central axis along the radial direction.

Accordingly, the air purifying device 10 is mounted on the outside of the portable fan, so that the filter 20 can be easily replaced, and it can be easily mounted and used directly on the portable fan sold.

However, there is a problem that the air purifying device 10 may be detachable by using the fixing part 30 on the rear surface of the case of the portable electric fan, so that it may be somewhat unstable.

Figure 1b is a view showing an assembly structure of an anion fan having the advantage of purifying air and improving air quality.

That is, the anion fan is an anion fan including an electric fan rear cap 41 and an electric fan front cap 42, and an anion filtration device 44 is mounted on the inner wall of the electric fan front cover 43 of the electric fan front cap 42. , The anion filtration device 44 includes an anion device front cap 45 and an anion device rear cap 46;

The small holes are uniformly distributed on the anion device front cap 45 and the anion device rear cap 46, and the small holes and the receiving groove A communicate with each other, and the wind generated while the fan 47 rotates is anion. It passes through the small hole of the device rear cap 46, the anion particles filter the wind generated by the fan, and the filtered wind is again discharged to the small hole of the anion device front cap 45.

Accordingly, the air discharged from the front cap 45 of the anion device has negative ions, thereby purifying air and improving air quality. Accordingly, it can be seen that an anion fixing device can be separately installed inside the portable electric fan.

In addition, it can be seen that the battery is provided with electric energy to the circuit board 48 and the fan 47 to operate the electric fan, and the silicon decorative cover 49 is mounted together.

Figure 1c shows an axial fan fan using a conventional ultraviolet light-emitting diode.

That is, it is coupled to a motor rod extending forward from the driving motor 40 embedded in the housing of the main body, rotated, and coated with a sunscreen on the front surface 36, and an axial flow fan coated with a photocatalyst on the back surface 38 ( 30) and; An ultraviolet light emitting diode 94 installed at the rear side of the axial flow fan 30 to irradiate ultraviolet rays to the rear side of the axial flow fan 30; By being installed between the axial flow fan 30 and the ultraviolet light-emitting diode 94, the irradiation angle of ultraviolet light emitted from the ultraviolet light-emitting diode 94 to the rear side of the axial flow fan 30 is outside the axial flow fan 30. Including the concave lens 80 to be enlarged in the direction, it is to increase the photocatalytic purification by effectively irradiating ultraviolet rays in the forward direction of the fan.

Accordingly, it can be seen that a separate concave lens 80 can be used to increase the photocatalytic function using an ultraviolet light emitting diode, but it can be seen that there is a problem that it is not suitable for installation in a portable electric fan.

Republic of Korea Patent No. 10-1911828 (Invention name: portable fan air purification device, air filter and filter manufacturing method, published date: October 25, 2018) Republic of Korea Patent No. 10-0986693 (Invention name: Axial fan fan with photocatalytic function using ultraviolet light emitting diode, Publication date: June 04, 2010)

Accordingly, the present invention is a technical problem to solve the provision of a portable air purifier that is designed to allow simple replacement while having a filter unit capable of purifying fine dust, and to effectively purify contaminated air by using the LED unit. .

Accordingly, the portable air purifier of the present invention for achieving the above object

A rear housing mounted detachably behind the intake fan unit provided with an intake fan; A reflector mounted on the rear center of the rear housing and extending into the rear housing; A filter unit that is accommodated inside the rear housing and is provided with an internal filter to filter fine dust by making contact with the rear surface of the intake fan unit and the inner rear surface of the rear housing; And an LED unit fitted and fixedly mounted in the center of the rear portion of the intake fan unit to irradiate and irradiate irradiated ultraviolet rays along the surface of the reflector, to include air filtered with fine dust into the space around the reflector and the inner surface of the filter unit. It is to be purified by the LED unit, the rear housing is to be formed of a conical housing, a plurality of rear perforations are formed in the side wall portion between the rear portion having a larger diameter than the front portion, through the rear perforation around the reflector and the filter portion The air introduced into the space between the side surfaces is purified by ultraviolet rays of the LED unit, and the rear surface of the rear housing is supported by contacting the rear surface of the filter unit, and a tapered protrusion having a central hole is formed so that air can be directly sucked into the reflector. Is formed to extend forward.

Accordingly, the portable air purifier of the present invention has a built-in filter unit at the rear with respect to the intake fan unit, so that fine dust can be filtered, but it is easy to replace and thus is effective in maintenance.

The filter portion is formed in a conical shape, and a reflector is inserted into the rear center portion and set, and the UV light irradiated from the LED portion mounted on the rear surface of the intake fan portion is reflected along the outside of the reflector to spread the irradiation range for the filter portion and the filter portion itself It improves the purifying effect and the cleaning effect of the filter part (air sterilization by ultraviolet rays, odor removal, sterilization, and the sterilizing effect of the filter part), thereby improving the air purification function.

In addition, the present invention is equipped with a front perforation cover in front of the intake fan unit so that the final purified air is discharged forward through the perforation, and the purified air and residual dust are additionally filtered while cleaning is also easy, so the LED unit is not exposed to the outside To avoid.

In addition, the portable air purifier of the present invention uses the pressure difference while the inside is separated from the outside by the front housing, the rear housing, and the front perforation cover, but prevents the fine dust of the filter part from being discharged back to the outside to enable more effective air purification. Is done.

In addition, the portable air purifier of the present invention is equipped with a character portion, and is made to be suspended by a wire wound around a user's neck using a connection ring and a connection clip formed on the character portion, thereby enabling usability and various presentations.

Figure 1a is a perspective view of a conventional air purifier of a portable fan,
Figure 1b is an assembly diagram of a conventional anion fan,
Figure 1c is a configuration side view of a conventional axial fan fan having a photocatalytic function,
2a and 2b is a configuration and assembly diagram of the portable air purifier of the present invention,
Figure 2c is a perspective view of the completion of the portable air purifier of the present invention,
3A and 3B are use state diagrams of the portable air purifier of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains may easily practice. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and like reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part “includes” a certain component, this means that other components may be further included rather than excluding other components unless specifically stated to the contrary.

[Portable air purifier 100 of the present invention]

2a and 2b is a configuration assembly and assembly diagram of the portable air purifier 100 of the present invention, Figure 2c shows a perspective view of the completion of the portable air purifier 100 of the present invention.

The portable air purifier 100 according to the present invention is basically intended to be used as a portable electric fan by the intake fan unit 110 equipped with the intake fan 112, but the rear housing 150 is rearward of the intake fan unit 110. The LED unit 120, the reflector 130, and the filter unit 140 are positioned inside the rear housing 150 to enable purification of air flowing from the rear and filtering of fine dust, and the intake fan unit 110 The front housing 160 is mounted on the front side, and fine dust is filtered through the front perforated cover 170 installed on the front housing 160 and the air purified by the LED unit is discharged.

At this time, while the inside is separated from the outside by the front housing 160, the rear housing 150, and the front perforation cover 170, the fine dust filtered into the filter unit is made while air is introduced and discharged by using a pressure difference. Various directing is possible by the character unit 180 while preventing leakage to the outside.

Thus, the portable air purifier 100 of the present invention, as shown in Figures 2a and 2b, the intake fan 110, LED unit 120, reflector 130, filter unit 140, rear housing 150, front housing (160), it can be seen that it includes a front perforated cover 170, the character unit 180.

First, it can be seen that the intake fan unit 110 has a rotation of the intake fan as in a conventional portable fan, and includes a lower handle unit 111 and an intake fan 112.

The lower handle part 111 is a rod-shaped housing that can be held by a user, and a control PCB and a charging battery (not shown) are installed inside, and charging pins (not shown) formed in the lower handle part 111 are provided. ) To enable USB charging, and to supply power for rotating the intake fan 112 and emitting the LED unit 120 using power supplied from the rechargeable battery (for example, DC 2 to 5VOLT). Will have

The power is also supplied to the power button 114 and the battery level display unit 115 so that the user can check the power ON / OFF and the battery level.

The intake fan 112 has an intake fan border portion 116 integrally formed on the upper end of the lower handle portion 111, and is mounted on the inner surface of the intake fan border portion 116 to rotate, thereby rotating the rear air of the intake fan portion 110 forward. It plays a role to discharge. The intake fan 112 is operated by receiving power from a rechargeable battery of the lower handle portion 111.

At this time, the intake pan frame portion 116, while allowing the rear housing 150 to be installed in the rear, the front housing 160 may be fitted with a connection end formed to be installed.

Accordingly, the user can replace the filter unit 140 inside the rear housing 150 while separating the rear housing 150 from the intake fan unit 110, and separate the front housing 160 from the intake fan border unit 116. The front perforated cover 170 can be cleaned or replaced.

2A and 2B, the LED unit 120 is fitted and fixedly mounted in the center of the rear portion of the intake fan 110 so that it is simply mounted in the form of a circular plate as a light emitting diode and is also used for charging the lower handle 111 It receives power from the battery and emits light.

The LED unit 120, for example, serves to sterilize, remove odor, and sterilize the air in which ultraviolet light is introduced by light emission. In addition to this, the LED unit 120 includes air sterilization through irradiation of light. The invention will refer to this as ultraviolet light.

Accordingly, although it is necessary to effectively diffuse ultraviolet rays, it can be seen that the concave lens 80 may be used in FIG. 1C, in the present invention, the ultraviolet rays are reflected from the surface of the reflector 130 and diffused by using the reflector 130. The efficiency of air sterilization, odor removal, and sterilization by ultraviolet rays is improved.

Ultraviolet rays by the LED unit 120 are irradiated to the filter unit 140 to have an indirect sterilization function of the filter unit 140.

2A and 2B, the reflector 130 is manufactured by injecting aluminum, plastic or the like as a cone having a diameter of a front side of the intake fan 110 smaller than a diameter of the rear side, but by an LED portion through an anoding or the like. It acts to diffuse as the ultraviolet rays are reflected.

Accordingly, the surface is embossed to improve reflection efficiency, but the rear portion is fitted to the outside of the flange protruding toward the front of the rear center of the filter portion 140 so that it is naturally set in the center of the rear portion of the filter portion 140. To be able to.

As a result, since the front portion is slightly spaced from the LED unit 120, it is reflected from the surface of the rear portion having a large diameter by ultraviolet irradiation, thereby exhibiting a diffusion function, and is easy to clean, so it is effective in maintenance.

As shown in FIGS. 2A and 2B, the filter unit 140 is also conical, so that the front edge portion 141 comes into contact with the rear side portion of the intake fan portion 110, while the rear edge portion 142 is inside the rear housing 150 It is accommodated by making contact with the rear part.

Accordingly, it can be seen that a conical built-in filter (143, HEPA filter, pre-filter) is formed between the front edge portion 141 and the rear edge portion 142 to be light and easy to replace.

The fine dust contained in the air passing through or in contact with the built-in filter 143 is filtered, and the fine dust of the air sucked into the space between the reflector 130 and the inner surface of the filter unit 140 is removed, and the fine dust is removed by the reflector 130. Odor removal, sterilization, and sterilization of the air sucked by the diffused ultraviolet rays are performed and discharged forward by the intake fan 112.

At this time, the filter unit 140 is coated with a photocatalyst layer to have an air purification effect by the photocatalyst, and indirect sterilization of the filter unit is also possible as ultraviolet rays are irradiated by the LED unit.

The rear housing 150, as shown in Figures 2a and 2b, so that the filter unit 140 is accommodated therein, is mounted to be detachable to the back of the intake fan 110, that is, the intake fan border 116, also conical To be formed as a housing, a plurality of rear perforations 151 are formed in the sidewall portion between the rear portions having a diameter larger than that of the front portion, and the portion where the rear perforations 151 are formed also acts as a pre-filter to filter large dust. I can make it.

The air introduced into the rear perforation 151 is also filtered through the built-in filter 143 of the filter unit 140, and fine dust is filtered, flowing into the space between the reflector 130 and the inner surface of the filter unit 140. , Purification of contaminated air by ultraviolet rays is performed.

In addition, the inner surface of the rear portion of the filter portion 140 so that the back portion is in contact and supported, and the air is sucked directly into the reflector 130, the center hole formed tapering projection 152 is formed extending forwardly Can be.

Accordingly, the air sucked through the central hole is introduced into the reflector 130 and is also introduced into the space between the reflector 130 around the inside of the filter unit 140 and the inner surface of the filter unit 140 through the conical reflector 130 and within the filter unit 140. As it is in contact with the side, fine dust is also peeled, and air purification by ultraviolet rays is achieved.

2A and 2B, the front housing 160 is also fitted to be detachably attached to the outer peripheral surface of the intake fan 110, that is, the intake fan border 116, and there is a front perforation cover 170 inside. It is fitted to be installed to serve as a housing for removing fine dust and purifying air to be discharged forward through the front perforation cover 170.

In addition, the outer portion of the front housing 160 is to be formed so that the character portion 180 is further enhanced to improve usability.

2A and 2B, it can be seen that the front perforation cover 170 is formed to be mounted on the inner front side of the front housing 160 to discharge purified air to the front. .

Accordingly, it can be seen that the air passing through the front perforation 171 can smoothly discharge air as the flow rate increases. It is also easy to clean, and it is possible to screen large particles of dust, and it serves as a light shielding plate to prevent the internal LED unit 120 from being directly exposed.

As illustrated in FIGS. 2A and 2B, the character unit 180 is fitted to be detachably attached to the outer surface of the front portion of the front housing 160, and can be said to be equipped with animal characters or the like to enhance the usability.

2B, when the power is turned on through the power button 114 of the portable air purifier 100 of the present invention, the LED unit 120 emits light while the intake fan 112 of the intake fan unit 110 rotates. The air polluted outside due to the pressure difference is removed by filtering fine dust through the rear perforations 151 and the center hole of the rear housing 150, and into the space between the reflector 130 and the inner surface of the filter unit 140. The introduced air is also air-purified by ultraviolet rays diffused by the reflector 130.

Accordingly, the air that has been finally purified is discharged to the final front through the front perforation 171 of the front perforation cover 170 by the intake fan 112.

Accordingly, according to FIG. 2C, the portable air purifier 100 of the present invention is self-supportingly set with the lower end of the lower handle 111 inserted into the cradle 113, and is convenient to use, and can be used separately with the cradle 113. Can be seen.

Also, the character unit 180 is mounted, and the character unit 180 is further formed with a connecting ring 181 so that it can be suspended by a wire wound around the user's neck through the connecting ring 181. Able to know.

[Portability of the portable air purifier of the present invention]

3A and 3B show a use state diagram of the portable air purifier 100 of the present invention.

That is, according to FIG. 3A, the portable air purifier 100 of the present invention, which is separated by charging by USB charging, can be manufactured in various colors, and the intake fan 112 is not visible and air is discharged to the front, thereby acting as a portable electric fan. However, while the inside is separated from the outside by the front housing, the rear housing, and the front perforation cover 170, it can be seen that the filter unit does not discharge fine dust back to the outside while using the pressure difference, and the character unit 180 It can be seen that various directing is possible.

In addition, according to FIG. 3B, it can be seen that the linkage ring 181 formed on the catheter portion 180 may be used, or the connection clip 182 formed on the outer surface may be used around the neck.

The above description of the present invention is for illustration only, and those skilled in the art to which the present invention pertains can understand that the present invention can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. 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 above detailed description, and it should be interpreted that all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. do.

100: portable air purifier
110: intake fan portion 111: lower handle portion
112: intake fan 113: cradle
114: power button 115: battery level indicator
116: intake pan border 120: LED
130: reflector
140: filter unit 141: front border
142: back border part 143: built-in filter
150: rear housing 151: rear punching
152: tapering projection 160: front housing
170: front punching cover 171: front punching
180: Character unit 181: Link
182: connecting clip

Claims (10)

A rear housing 150 detachably mounted behind the intake fan unit provided with an intake fan;
A reflector 130 mounted to the rear center of the rear housing and extending into the rear housing;
A filter unit 140 which is accommodated inside the rear housing and is provided with an internal filter to filter fine dust by making contact with the rear surface of the intake fan unit and the inner rear unit of the rear housing; And
Including the LED unit 120, which is fixedly mounted in the center of the rear portion of the intake fan unit, and irradiated with the irradiated ultraviolet light is reflected and diffused along the surface of the reflector.
The air around which the fine dust is filtered into the space around the reflector and the inner surface of the filter unit is purified by the LED unit.
The rear housing 150 is to be formed of a conical housing, but a plurality of rear perforations 151 are formed on the side wall between the rear parts having a larger diameter than the front part, around the reflector 130 through the rear perforations 151. And the air introduced into the space between the inner surface of the filter unit 140 is purified by ultraviolet rays of the LED unit, and the rear surface of the rear housing 150 is in contact with the rear surface of the filter unit 140 so that the air is supported. A portable air purifier with a tapering projection 152 having a central hole extending forward so that it can be directly sucked into the reflector 130. According to claim 1,
The filter unit 140 is further coated with a photocatalyst layer so as to have an air purifying effect by a photocatalyst, and a portable air purifier capable of indirect sterilization as ultraviolet rays are irradiated by the LED unit. According to claim 1,
A front housing 160 to be detachable in front of the intake fan unit;
A portable air cleaner further mounted on the inner front of the front housing 160 and further comprising a front perforation cover 170 formed with a front perforation 171 to discharge purified air to the front. According to claim 3,
The character unit 180 is further installed to be detachable on the outer surface of the front portion of the front housing 160, and the character unit 180 is provided with a portable air purifier using a connection ring 181 or a connection clip 182. A portable air purifier that makes it portable. According to claim 3,
Portable to prevent the fine dust of the filter unit 120 from being discharged back to the outside while using the pressure difference while the inside is separated from the outside by the front housing 160, the rear housing 150 and the front perforation cover 170. air cleaner. According to claim 1,
The intake fan portion 110 is to include a lower handle portion 111 and the intake fan 112,
The lower handle part 111 is a rod-shaped housing that enables independent setting, and supplies power for rotating the intake fan 112 and emitting the LED part 120 using power supplied from a built-in rechargeable battery. Portable air purifier to enable. According to claim 1,
The reflector 130 is a conical shape in which the diameter of the front portion of the intake fan portion 110 is smaller than the diameter of the rear portion, and serves to diffuse UV rays reflected by the LED portion. A portable air purifier that can be installed on the outer surface of the flange protruding forward so that it can be set at the center of the rear surface of the filter unit 140. According to claim 1,
The filter unit 140 is conical,
The front edge portion 141 is in contact with the rear portion of the intake fan portion 110; Rear housing 150, the rear border portion 142 in contact with the inner rear portion; And a built-in filter 143 formed between the front edge portion 141 and the back edge portion 142;
A portable air cleaner in which fine dust contained in air passing through or in contact with the built-in filter 143 is filtered. delete delete

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