CN213778079U

CN213778079U - Air purifier

Info

Publication number: CN213778079U
Application number: CN202022736904.4U
Authority: CN
Inventors: 陈伟超
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-23
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to an air purification technical field, concretely relates to air purifier. An air cleaner includes: the air channel is arranged in the body of the air purifier, and a photocatalyst is arranged on part of the inner surface of the air channel; and at least one light source which is arranged close to the photocatalyst and is used for catalyzing the photocatalyst, and the air flowing through the air channel is purified by the photocatalyst. The utility model provides an adopt the mode of photocatalyst among the air purification machine, realized germicidal treatment, the mode that photocatalyst disinfects need not high temperature heating power consumption, has avoided the high-temperature disinfection defect that consumes energy among the prior art in the air purification machine, and under the effect of ultraviolet ray and visible light, produces strong catalytic degradation function: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; simultaneously, the disinfectant also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like, and the disinfection effect is more comprehensive and thorough.

Description

Air purifier

Technical Field

The utility model relates to an air purification technical field, concretely relates to air purifier.

Background

The traditional air purification device generally adopts a heating mode to kill organic matters, bacteria, viruses and the like in the air, and plays a role in purifying the air.

However, the existing heating device generally adopts resistance heating, which mainly adopts radiation and convection to realize heat transfer, and the uniformity of the temperature in the formed temperature field is poor, so that the temperature of the air flow flowing through different positions in the temperature field is different, and the sterilization effect is affected at the low temperature.

Further, in order to ensure a good sterilization effect, the heating temperature of the heating device needs to be increased, but this way increases energy consumption, and causes the heated air to have too high temperature, which affects user experience.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the air purifier among the prior art adopts resistance heating sterilization, and the energy consumption is high to an air purifier is provided.

In order to solve the above problem, the utility model provides an air purifier, include: the air channel is arranged in the body of the air purifier, and a photocatalyst is arranged on part of the inner surface of the air channel; and at least one light source which is arranged close to the photocatalyst and is used for catalyzing the photocatalyst, and the air flowing through the air channel is purified by the photocatalyst.

Optionally, still including setting up the air inlet filter screen and the setting of air purifier's air inlet department are in the air outlet filter screen of air purifier's air outlet department, the air inlet filter screen with wind channel between the air outlet filter screen is constructed for purifying the wind channel, the photocatalyst coating is in purify the internal surface in wind channel.

Optionally, the inner surface of the purification air duct is provided with a guide plate spirally arranged towards the air outlet, and the photocatalyst is coated on the guide plate.

Optionally, a plurality of the light sources are distributed along the circumferential direction of the inner side wall of the purification air duct.

Optionally, a plurality of the light sources are arranged at equal intervals.

Optionally, the light source is an ultraviolet lamp.

Optionally, the dust detection device is arranged in the purification air duct.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an air purifier includes: the air channel is arranged in the body of the air purifier, and a photocatalyst is arranged on part of the inner surface of the air channel; and at least one light source which is arranged close to the photocatalyst and is used for catalyzing the photocatalyst, and the air flowing through the air channel is purified by the photocatalyst.

The utility model provides an adopt the mode of photocatalyst among the air purification machine, realized germicidal treatment, the mode that photocatalyst disinfects need not high temperature heating power consumption, has avoided the high-temperature disinfection defect that consumes energy among the prior art in the air purification machine, and under the effect of ultraviolet ray and visible light, produces strong catalytic degradation function: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; simultaneously, the disinfectant also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like, and the disinfection effect is more comprehensive and thorough.

2. The inner surface of the purification air channel in the air purifier is provided with the guide plate which is spirally arranged towards the air outlet, the photocatalyst is coated on the guide plate, and the arrangement of the guide plate plays a role in guiding on one hand; on the other hand, the coating area of the photocatalyst in the air duct is increased, so that the effective purification area in the air duct is increased. Furthermore, the guide plate is arranged to be spiral, so that the disturbance of fluid is increased, the contact between the airflow and the oxidation base and the like generated after the catalytic decomposition of the photocatalyst is more sufficient, and the purification effect is improved.

3. The utility model provides an air purifier medium light source is ultraviolet lamp, and the ultraviolet lamp can play disinfection's effect on the one hand, and on the other hand can realize the catalysis to the photocatalyst.

4. The utility model provides an air purifier in still including setting up the dust detection device in purifying the wind channel. The dust detection device detects the quantity of solid impurities in the air to adjust the quantity of the light sources, so that effective energy conservation is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of an air cleaner in an embodiment provided by the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1.

Description of reference numerals:

1. purifying the air duct;

2. a light source;

3. an air inlet;

4. an air inlet filter screen;

5. an air outlet;

6. an air outlet filter screen;

7. a baffle;

8. dust detection device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

As shown in fig. 1 to 2, an air cleaner provided for the present embodiment includes: the air channel is arranged in the body of the air purifier, and a photocatalyst is arranged on part of the inner surface of the air channel; and at least one light source 2 disposed near the photocatalyst for catalyzing the photocatalyst, and the air flowing through the air channel is purified by the photocatalyst.

The photocatalyst in this embodiment is a titanium dioxide photocatalyst, which is prepared in a state of a mixed liquid and is coated on the surface of the air duct. Of course, in other embodiments, other types of photocatalyst materials may also be used as desired.

The mode of photocatalyst has been adopted among the air purification machine in this embodiment, has realized the germicidal treatment, and the mode that photocatalyst disinfects need not high temperature heating power consumption, has avoided the high-temperature disinfection power consumption defect among the prior art in the air purification machine, and under the effect of ultraviolet ray and visible light, produces strong catalytic degradation function: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; simultaneously, the disinfectant also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like, and the disinfection effect is more comprehensive and thorough.

Still including installing the air inlet filter screen 4 and the air-out filter screen 6 of setting in air purifier's air outlet 5 department of air intake 3 department in the specific this embodiment, air inlet filter screen 4 and air-out filter screen 6 in this embodiment are the HEPA filter, violently insert on the cross section in wind channel. The air duct between the air inlet filter screen 4 and the air outlet filter screen 6 in this embodiment is configured as a purification air duct 1, and the photocatalyst is coated on the inner surface of the purification air duct 1. Further, the fan in this embodiment is installed at the lower end of the air outlet filter screen 6, and is arranged next to the air outlet filter screen 6. When the fan works, negative pressure is generated, and external air flows through the air inlet 3, the air inlet filter screen 4, the purification air duct 1, the air outlet filter screen 6 and the air outlet 5 in sequence under the action of pressure difference and is discharged to the outside.

Further, the inner surface of the purification air duct 1 in this embodiment is provided with a guide plate 7 spirally arranged toward the air outlet 5, and the photocatalyst is coated on the guide plate 7. The arrangement of the guide plate plays a role in guiding flow on one hand; on the other hand, the coating area of the photocatalyst in the air duct is increased, so that the effective purification area in the air duct is increased. Furthermore, the guide plate is arranged to be spiral, so that the disturbance of fluid is increased, the contact between the airflow and the oxidation base and the like generated after the catalytic decomposition of the photocatalyst is more sufficient, and the purification effect is improved.

The light source 2 in this embodiment is an ultraviolet lamp tube, which can achieve the disinfection effect on one hand and can realize the catalysis of the photocatalyst on the other hand. Specifically, six light sources 2 are distributed along the circumference of the inner side wall of the purification air duct 1, and the arrangement of a plurality of light sources at equal intervals is ensured. The light sources arranged at equal intervals can ensure the uniformity of light source distribution and ensure the effective catalysis of the photocatalyst. As a modified embodiment, the number of the light sources 2 may be one, two …, or the like, and the number of the light sources may be confirmed according to an actual usage environment.

The embodiment also comprises a dust detection device 8 arranged in the purification air duct 1. The dust detection device is a common dust sensor, detects the quantity of solid impurities in the air to adjust the quantity of the light sources, and realizes effective energy conservation, if the quantity of the detected dust is less, the light sources 2 can be controlled to be turned on less, and when the quantity of the detected dust is more, the light sources 2 can be turned on completely, so that the reasonable utilization of energy is realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An air cleaner, comprising:

the air channel is arranged in the body of the air purifier, and a photocatalyst is arranged on part of the inner surface of the air channel;

and at least one light source (2) which is arranged close to the photocatalyst and is used for catalyzing the photocatalyst, and the air flowing through the air channel is purified by the photocatalyst.

2. The air cleaner according to claim 1, further comprising an air inlet filter (4) disposed at an air inlet (3) of the air cleaner and an air outlet filter (6) disposed at an air outlet (5) of the air cleaner, wherein the air channel between the air inlet filter (4) and the air outlet filter (6) is configured as a clean air channel (1), and the photocatalyst is coated on an inner surface of the clean air channel (1).

3. The air purifier according to claim 2, wherein a deflector (7) spirally arranged towards the air outlet (5) is arranged on the inner surface of the purifying air duct (1), and the photocatalyst is coated on the deflector (7).

4. The air purifier according to claim 2, wherein a plurality of the light sources (2) are distributed along the circumference of the inner side wall of the purifying air duct (1).

5. The air cleaner according to claim 4, wherein a plurality of said light sources (2) are arranged at equal intervals.

6. Air purifier according to any of claims 1-5, characterized in that the light source (2) is a UV lamp.

7. The air cleaner according to any one of claims 2-5, further comprising a dust detection device (8) disposed in the cleaning air duct (1).