CN216080245U

CN216080245U - Portable air purifier

Info

Publication number: CN216080245U
Application number: CN202121980384.XU
Authority: CN
Inventors: 林煜明
Original assignee: Jiuzhong Intelligent Technology Xiamen Co ltd
Current assignee: Jiuzhong Intelligent Technology Xiamen Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-18
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to a portable air purifier, which comprises a shell with a cavity, and a circuit board, an ultraviolet light source, a fan and a rechargeable battery which are arranged in the cavity of the shell; the ultraviolet light source is connected to the circuit board, the fan is connected with the circuit board, the rechargeable battery is connected with the circuit board to be powered on by the ultraviolet light source and the fan, a switch for controlling the power on and off of the ultraviolet light source and the fan is arranged on the circuit board, and a charging interface for charging the rechargeable battery is further arranged on the circuit board; the shell is provided with an air outlet and an air inlet which are communicated with the cavity of the shell, and through holes through which the accommodating switch and the charging interface penetrate out; a photoreaction coating which acts on the ultraviolet light source is coated on the inner wall surface of the shell; the air purifier has the advantages of simple structure, low cost and good cleaning effect, and can thoroughly and rapidly disinfect and sterilize air.

Description

Portable air purifier

Technical Field

The utility model relates to a portable air purifier.

Background

With the rapid development of social economy, people's attention to the problem of air pollution is gradually increased, and attention is paid to air purification more and more. Along with the environmental pollution and the exhaust emission of automobiles and factories, a large amount of harmful substances such as PM2.5, bacteria, germs and the like are diffused in the air of cities, and the health of people is seriously threatened. Therefore, many families can be at indoor installation air purification equipment, however traditional air purification equipment is too bulky, occupies a large amount of space of putting, can not hand-carry, and its outward appearance is also pleasing to the eye inadequately moreover, and in addition, traditional air purification equipment, its disinfection and sterilization not only effect is poor, hardly reaches thorough disinfection and sterilization's purpose, and disinfection and sterilization speed is slow moreover.

Disclosure of Invention

The utility model aims to provide a portable air purifier which has simple structure, portability, good cleaning effect and can thoroughly and quickly disinfect and sterilize.

The purpose of the utility model is realized by the following technical scheme: a portable air purifier comprises a shell with a cavity, and a circuit board, an ultraviolet light source, a fan and a rechargeable battery which are arranged in the cavity of the shell; the ultraviolet light source is connected to the circuit board, the fan is connected with the circuit board, the rechargeable battery is connected with the circuit board to be powered on by the ultraviolet light source and the fan, a switch for controlling the power on and off of the ultraviolet light source and the fan is arranged on the circuit board, and a charging interface for charging the rechargeable battery is further arranged on the circuit board;

the shell is provided with an air outlet and an air inlet which are communicated with the cavity of the shell, and through holes through which the accommodating switch and the charging interface penetrate out; the inner wall surface of the shell is coated with a photoreaction coating which acts on the ultraviolet light source.

Compared with the prior art, the utility model has the advantages that:

1. the air purifier has the advantages of simple structure, low cost and good cleaning effect, and can thoroughly and rapidly disinfect and sterilize air.

2. The fan can make the sucked air flow in the cavity of the purifier and fully act with the light reaction coating on the inner wall surface of the shell, and is convenient for the air to enter and the output of the purification factor or the purified air.

3. This personal air purifier's shell's unique design avoids directly seting up a plurality of holes that are used for purifying factor or air output after purifying on the shell, not only makes whole clarifier coordinate pleasing to the eye, more can not the light leak moreover to prevent that user of service and the ultraviolet source in the shell from producing too much contact.

4. The ultraviolet light source of the portable air purifier can emit ultraviolet light with the wavelength range of less than 200nm and ultraviolet light with the wavelength range of 200-380nm, so that the purifier not only has the optimal inactivation efficiency on bacteria, viruses and molds, but also can ionize oxygen and water in the air to generate H with high concentration₂O₂、O₃、H₃O⁺、OH-、O₂ ^-And the air purification factors can promote the generation of hydroxyl radicals (OH) and accelerate the oxidation reaction rate in a high-moisture environment, and can accelerate the ambient air purification rate, shorten the reaction time and achieve the effect of quickly purifying air by matching with a photoreaction coating.

5. In addition, the purifier has the advantages of small size and portability, and can be conveniently carried by a user and also can be placed on a table for use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic bottom structure of the present invention.

Fig. 4 is a schematic top view of the present invention.

Fig. 5 is a side view of the present invention.

Description of reference numerals: 1 shell, 11 air outlets, 12 air intakes, 13 bases, 131 mount pads, 14 inner lids, 141 bellying, 15 top caps, 151 openings, 2 circuit boards, 21 switches, 22 interface that charges, 3 ultraviolet light source, 4 fans, 5 rechargeable battery, 6 pilot lamps, 7 slipmats.

Detailed Description

The utility model is described in detail below with reference to the drawings and examples of the specification:

fig. 1 to 4 are schematic views of an embodiment of a portable air purifier provided by the present invention.

The portable air purifier comprises a shell 1 with a cavity, and a circuit board 2, an ultraviolet light source 3, a fan 4 and a rechargeable battery 5 which are arranged in the cavity of the shell 1; the ultraviolet light source 3 is connected to the circuit board 2, the fan 4 is connected to the circuit board 2, the rechargeable battery 5 is connected to the circuit board 2 so that the ultraviolet light source 3 and the fan 4 are powered on, the circuit board 2 is provided with a switch 21 for controlling the ultraviolet light source 3 and the fan 4 to be powered on and powered off, and the circuit board 2 is further provided with a charging interface 22 for charging the rechargeable battery 5;

the shell 1 is provided with a through hole through which an air outlet 11 and an air inlet 12 which are communicated with the cavity of the shell 1 penetrate, a containing switch 21 and a charging interface 22; the inner wall surface of the housing 1 is coated with a photoreaction coating which acts on the ultraviolet light source 3.

The ultraviolet light emitted by the ultraviolet light source 3 includes a first wavelength within a wavelength range of less than 200nm and a second wavelength within a wavelength range of 200-380 nm.

The thickness of the photoreaction coating is 0.3-1.5 mm.

The light reaction coating is a photocatalyst coating, raw materials for preparing the light reaction coating comprise titanium dioxide or copper oxide with the particle size of 5-60nm, and the light reaction coating reacts with oxygen in air or water under the action of an ultraviolet light source 3. The ultraviolet light source 3 may be an ultraviolet lamp tube.

The ultraviolet light source 3 emits ultraviolet light with a wavelength range of 200-380nm, which has good inactivation efficiency on bacteria, viruses and molds. Ultraviolet light in the wavelength range of less than 200nm ionizes oxygen and water in the air to produce a relatively high concentration of H₂O₂、O₃、H₃O⁺、OH^-、O₂ ^-Waiting for air purification factors; the purification factor can promote the generation of hydroxyl radical (OH) and accelerate the oxidation reaction rate in a high water gas environment, and is matched with a material containing TiO₂The photoreaction coating can accelerate the environmental purification rate and shorten the time required by the reaction.

The fan 4 in the purifier can suck air from the air inlet 12, the photoreaction coating reacts with oxygen in the air under the action of the ultraviolet light source 3 to form a purification factor, and the formed purification factor is sent out from the air outlet 11 under the action of the fan 4 or directly reacts with the air in the cavity to purify the air. The fan 4 is arranged to enable the sucked air to flow in the purifier cavity and fully react with the light reaction coating on the inner wall surface of the shell 1, and to facilitate the air inlet and the output of the purification factor or the purified air.

The shell 1 comprises a base 13, an inner cover 14 connected above the base 13 and a top cover 15 sleeved above the inner cover 14; the circuit board 2, the ultraviolet light source 3, the fan 4 and the rechargeable battery 5 are positioned in a cavity formed between the inner cover 14 and the base 13;

the inner cover 14 is provided with a raised part 141 which is raised upwards, the middle part of the top cover 15 is provided with an opening 151 for allowing the raised part 141 to penetrate out, the top cover 15 is sleeved on the periphery of the inner cover 14 through the opening 151, and a gap between the side wall of the raised part 141 and the edge of the opening 151 forms the air outlet 11; the air inlet 12 is arranged on the base 13.

The top of the shell 1 is provided with the inner cover 14 and the top cover 15, and the bulge 141 of the inner cover 14 is matched with the opening 151 of the top cover 15, so that on one hand, the purification factor or the purified air formed in the cavity of the shell 1 can be output from the air outlet 11; on the other hand, the air outlet 11 formed between the protruding portion 141 and the edge of the opening 151 does not leak light, compared with a vent hole directly formed on the housing 1, and avoids unnecessary damage caused by excessive contact between a user and the ultraviolet light source 3 in the housing 1.

The base 13, the inner cover 14 and the top cover 15 are connected by screws to form the housing 1 integrally.

The inner surface of the base 13 is provided with a mounting seat 131 for embedding the rechargeable battery 5. Still be equipped with the screw hole that is used for fixed circuit board 2 and fan 4 on the internal surface of base 13, fan 4 sets firmly on base 13 through the screw with screw hole assorted with circuit board 2. Of course, the circuit board 2 and the fan 4 may also be fixed on the base 13 by other methods, such as adhesion.

The air inlet 12 is in a strip shape.

The portable air purifier further comprises an indicator light 6 arranged in the cavity of the shell 1, the indicator light 6 is connected with the circuit board 2, and the shell 1 is further provided with a through hole for the indicator light 6 to penetrate out.

The portable air purifier also comprises an anti-skid pad 7 arranged on the outer wall surface at the bottom of the shell 1.

The anti-skid pad 7 can be made of silica gel; as shown in fig. 3, the non-slip mat 7 is provided on the outer wall surface of the base 13. The portable air purifier can be conveniently carried by a user and can also be placed on a desktop for use. The setting up of slipmat 7 lets whole clarifier can be stable arrange the desktop in on, prevents on the one hand that the clarifier from sliding, and on the other hand can protect the desktop, prevents that the base 13 of clarifier from scraping the flower with the desktop.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A carry-on air purifier is characterized in that: the ultraviolet light source device comprises a shell (1) with a cavity, and a circuit board (2), an ultraviolet light source (3), a fan (4) and a rechargeable battery (5) which are arranged in the cavity of the shell (1); the ultraviolet light source (3) is connected to the circuit board (2), the fan (4) is connected with the circuit board (2), the rechargeable battery (5) is connected with the circuit board (2) to electrify the ultraviolet light source (3) and the fan (4), a switch (21) for controlling the ultraviolet light source (3) and the fan (4) to be electrified and disconnected is arranged on the circuit board (2), and a charging interface (22) for charging the rechargeable battery (5) is further arranged on the circuit board (2);

the shell (1) is provided with an air outlet (11) and an air inlet (12) which are communicated with the cavity of the shell (1), and through holes for allowing the switch (21) and the charging interface (22) to penetrate out; the inner wall surface of the shell (1) is coated with a photoreaction coating which acts on the ultraviolet light source (3).

2. The on-body air purifier of claim 1, wherein: the shell (1) comprises a base (13), an inner cover (14) connected above the base (13) and a top cover (15) sleeved above the inner cover (14); the circuit board (2), the ultraviolet light source (3), the fan (4) and the rechargeable battery (5) are positioned in a cavity formed between the inner cover (14) and the base (13);

the inner cover (14) is provided with a raised part (141) which rises upwards, the middle part of the top cover (15) is provided with an opening (151) for allowing the raised part (141) to penetrate out, the top cover (15) is sleeved on the periphery of the inner cover (14) through the opening (151), and a gap between the side wall of the raised part (141) and the edge of the opening (151) forms the air outlet (11); the air inlet (12) is arranged on the base (13).

3. The on-body air purifier of claim 2, wherein: the base (13), the inner cover (14) and the top cover (15) are connected into a whole through screws to form the shell (1).

4. The on-body air purifier of claim 2, wherein: and the inner surface of the base (13) is provided with a mounting seat (131) for embedding the rechargeable battery (5).

5. The on-body air purifier of claim 2, wherein: the air inlet (12) is in a strip shape.

6. The on-body air purifier of claim 1, wherein: it still is including locating pilot lamp (6) in shell (1) cavity, pilot lamp (6) are connected with circuit board (2), still be equipped with on shell (1) and hold the through-hole that pilot lamp (6) wore out.

7. The on-body air purifier of claim 1, wherein: it also comprises an anti-skid pad (7) arranged on the outer wall surface of the bottom of the shell (1).

8. The on-body air purifier of claim 1, wherein: the ultraviolet light emitted by the ultraviolet light source (3) comprises a first wavelength with a wavelength range smaller than 200nm and a second wavelength with a wavelength range of 200-380 nm.

9. The on-body air purifier of claim 1, wherein: the thickness of the photoreaction coating is 0.3-1.5 mm.