CN112902358A

CN112902358A - High-efficient air sterilizing apparatus

Info

Publication number: CN112902358A
Application number: CN202110114982.7A
Authority: CN
Inventors: 陈敏; 陈猛; 俞辉; 郑军妹; 郭国良; 霍彦强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-04
Anticipated expiration: 2041-01-28
Also published as: CN112902358B

Abstract

The invention relates to a high-efficiency air sterilizer which comprises a shell and a germicidal lamp assembly arranged in the shell, wherein the lower part of the shell is provided with an air inlet, the top of the shell is provided with an air outlet, the germicidal lamp assembly is positioned between the air inlet and the air outlet, the germicidal lamp assembly comprises a light reflecting sleeve and a germicidal lamp tube, the light reflecting sleeve spirally extends from bottom to top to form a spiral first flow channel, the germicidal lamp tube is arranged in the light reflecting sleeve and extends along the spiral first flow channel, and the inner wall of the light reflecting sleeve smoothly forms a first light reflecting surface. The reflecting sleeve extends spirally from bottom to top to form a spiral first flow passage, the sterilizing lamp tube is arranged in the first flow passage and is matched with the spiral shape of the first flow passage, and the inner wall surface of the reflecting sleeve can reflect sterilizing light rays for multiple times and at multiple angles, so that the illumination uniformity is improved, and the sterilizing effect is improved; the reflecting sleeve which extends in a spiral rotating way can also guide the air flow direction, so that the air circulation stroke is prolonged, and the sterilization effect is improved.

Description

High-efficient air sterilizing apparatus

Technical Field

The invention relates to the technical field of air purification, in particular to a high-efficiency air sterilizer which can sterilize air through illumination sterilization and particle filtration.

Background

About 80% of the life of a person spends indoors, so the quality of indoor environment directly affects the health of the person. However, indoor microbial contamination is ubiquitous, particularly in kitchens, restaurants, food production plants, warehouses, stations, movie theaters and other places, and a large amount of microbes such as bacteria and viruses exist, so that a relatively closed environment provides an opportunity for the spread of pathogenic microbes.

The sterilization and disinfection by using an ultraviolet disinfection lamp is a common method at present. The ultraviolet disinfection lamp can effectively kill pathogenic microorganisms such as bacterial propagules, spores, coronavirus, fungi, chlamydia and the like. For example, the chinese utility model patent "air purification and disinfection apparatus" (application no: CN201920394484.0) entitled as CN209782863U discloses a structure, which comprises an ultraviolet sterilization lamp, an active carbon filter screen, a photocatalytic screen, wheels, and an air purification and disinfection box, wherein the wheels are arranged below the air purification and disinfection box, the active carbon filter screen is arranged inside the air purification and disinfection box, a primary filter screen is arranged on one side of the active carbon filter screen, a glass fiber filter screen is arranged on one side of the active carbon filter screen away from the primary filter screen, and the ultraviolet sterilization lamp above the air purification and disinfection box performs ultraviolet sterilization. The application publication No. CN111457301A of the invention patent application of China (application No. CN202010437674.3) discloses a structure, which comprises a main casing, a base is arranged at the lower end of the main casing, an intermediate base is covered on the upper end of the main casing, a sterilization lamp is arranged in the main casing, an opening is arranged in the middle of the intermediate base, and the sterilization lamp extends out of the opening through a telescopic device.

Above-mentioned structure that utilizes illumination to disinfect in existence, because the irradiation range of bactericidal lamp is limited and illumination intensity is uneven, and air and bactericidal lamp contact time is very short, exists the dead angle of disinfecting easily and influences bactericidal effect.

Therefore, further improvement is needed for the current air sterilization structure using light for sterilization.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a high-efficiency air sterilizer capable of improving the illumination uniformity and further improving the sterilization effect aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide an efficient air sterilizer capable of increasing the sterilization effect by extending the air circulation stroke, in view of the current state of the prior art.

The technical scheme adopted by the invention for solving at least one technical problem is as follows: the utility model provides a high-efficient air sterilizing apparatus, includes the casing and locates the bactericidal lamp subassembly in this casing, the casing lower part has air intake, top and has the air outlet, bactericidal lamp subassembly is located between air intake and the air outlet, its characterized in that: the germicidal lamp component comprises a reflecting sleeve and a germicidal lamp tube, the reflecting sleeve extends spirally from bottom to top to form a spiral first flow channel, the germicidal lamp tube is arranged in the reflecting sleeve and extends along the spiral first flow channel, and a first reflecting surface is formed on the inner wall of the reflecting sleeve smoothly.

Preferably, germicidal lamp subassembly still includes the sleeve, the sleeve link up from top to bottom and the cover is put on shells inner wall, the reflection of light cover is located in the sleeve, enclose jointly between the periphery wall of reflection of light cover and the sleeve internal perisporium and enclose synthetic around the outlying second runner of first runner, be provided with the anion generator that can produce the anion in the second runner. By adopting the structure, the first flow channel is used for sterilizing, and the second flow channel is used for generating fresh air, so that the air purification effect is favorably improved.

Further preferably, a detection sensor for detecting the concentration of microorganisms is arranged in the casing close to the air outlet, and a switching mechanism which enables wind to circulate only in the first flow channel or the second flow channel is arranged on the sleeve. When the sensor detects that the concentration of the microorganisms in the air is higher than a set value, the air path can be switched to the first flow channel to sterilize the air; when the sensor detects that the concentration of the microorganisms in the air is lower than a set value, the air path can be switched to the second flow channel for adding negative ions into the air, and the air quality is improved.

In the invention, the top of the sleeve is provided with an upper cover plate, the bottom of the sleeve is provided with a lower cover plate, the upper cover plate is provided with a first air outlet arranged corresponding to the upper port of the first flow passage and a second air outlet arranged corresponding to the upper port of the second flow passage, the lower cover plate is provided with a first air inlet arranged corresponding to the lower port of the first flow passage and a second air inlet arranged corresponding to the lower port of the second flow passage, and the switching mechanism is provided with a first baffle plate and a second baffle plate, wherein the first baffle plate and the second baffle plate are rotatably arranged on the upper cover plate so as to cover one of the first air outlet and the second air outlet, and the second baffle plate are rotatably arranged on the lower cover plate so as to cover one of the. By adopting the structure, whether the first flow channel and the second flow channel circulate or not is controlled conveniently by the rotation of the first baffle and the second baffle.

Preferably, the switching mechanism further comprises a rotating shaft and a motor arranged on the upper cover plate, the rotating shaft penetrates through a gap in the middle of the spiral reflecting sleeve and is vertically arranged at the central position of the sleeve, the upper end of the rotating shaft penetrates through the upper cover plate to be connected with the first baffle and the output end of the motor, and the lower end of the rotating shaft penetrates through the lower cover plate to be connected with the second baffle. The structure of the spiral reflecting sleeve is fully utilized, the rotating shaft can rotatably penetrate through the gap in the middle of the reflecting sleeve, the compactness of the structure is integrally improved, and the operation is convenient.

In order to supply power to the germicidal lamp tube, an electric connecting piece connected with a power supply is hidden at the bottom of the lower cover plate, and an electric connecting end which penetrates through the lower cover plate and is electrically connected with the electric connecting piece is arranged at the lower end of the germicidal lamp tube.

Preferably, the reflective sleeve is of a light-transmitting structure, the sleeve is a metal sleeve, and a second reflective surface is formed on the inner wall of the metal sleeve. The reflecting sleeve is of a light-transmitting structure, and the second reflecting surface can be matched with the first reflecting surface, so that the reflecting times of light rays are increased, and the uniformity of the light rays is improved.

Preferably, the lower port of the reflective sleeve is located on the lower wall surface of the reflective sleeve, the upper port of the reflective sleeve is located on the upper wall surface of the reflective sleeve, the lower end of the reflective sleeve is provided with a side wall arranged towards the central part of the second flow channel, and the negative ion generator is arranged on the side wall.

In the present invention, a filter assembly for filtering particulate matter is provided in the housing, the filter assembly being located upstream of the germicidal lamp assembly. The fan assembly is arranged in the shell and used for sucking indoor air into the shell and discharging the sterilized air, and the fan assembly is arranged at the downstream of the sterilizing lamp assembly.

Preferably, the air outlet is formed in a top wall of the housing, an air guide member extending upward is disposed in a central portion of the top wall of the housing, an outer diameter of the air guide member is gradually increased from bottom to top, and an outer peripheral wall of the air guide member is formed into an arc-shaped air guide surface which is gradually arched upward. The structure is beneficial to quickly and uniformly spreading and dispersing the sterilized air indoors.

Compared with the prior art, the invention has the advantages that: the reflecting sleeve extends spirally from bottom to top to form a spiral first flow passage, the sterilizing lamp tube is arranged in the first flow passage and is matched with the spiral shape of the first flow passage, and the inner wall surface of the reflecting sleeve can reflect sterilizing light rays for multiple times and at multiple angles, so that the illumination uniformity is improved, and the sterilizing effect is improved; the reflecting sleeve which extends in a spiral rotating way can also guide the air flow direction, so that the air circulation stroke is prolonged, and the sterilization effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic view of a germicidal lamp assembly according to an embodiment of the present invention (with the first flow path in flow communication);

fig. 5 is a schematic bottom view of fig. 4.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, the air sterilizer of the present embodiment includes a housing 1 and a germicidal lamp assembly 2 disposed in the housing 1, wherein a plurality of air inlets 11 are formed on an outer peripheral wall of a lower portion of the housing 1, an air outlet 12 is formed on a top wall of the housing, and the germicidal lamp assembly 2 is disposed between the air inlets 11 and the air outlet 12. The housing 1 of the present embodiment is further provided with a filter assembly 3 for filtering particulate matter, and the filter assembly 3 is located upstream of the germicidal lamp assembly 2. Be provided with in the casing 1 and be arranged in will indoor wind suction casing 1 and will disinfect the exhaust fan subassembly 4 of the wind after the disinfection, this fan subassembly 4 locates the low reaches of germicidal lamp subassembly 2, and the air intake department of fan subassembly 4 sets up the detection sensor 5 that is used for detecting microorganism concentration.

The germicidal lamp assembly 2 of this embodiment includes a sleeve 21, a germicidal lamp 22, and a reflective sleeve 26, wherein the sleeve 21 is a metal tube penetrating from top to bottom, the metal tube is sleeved on the inner wall of the housing 1, and the germicidal lamp 22 is an ultraviolet lamp or a pulse light lamp. The reflective sleeve 26 extends spirally from bottom to top to form a spiral first flow channel 260, the germicidal lamp tube 22 is arranged in the reflective sleeve 26 and extends along the spiral first flow channel 260, and the inner wall of the reflective sleeve 26 forms a first reflective surface smoothly. The inner wall surface of the reflecting sleeve 26 can reflect the sterilization light rays for multiple times at multiple angles, so that the illumination uniformity is improved, and the sterilization effect is further improved; the reflective sleeve 26 extending by the spiral rotation can also guide the air flow direction, prolong the air circulation stroke and improve the sterilization effect.

The reflecting sleeve 26 is arranged in the sleeve 21, the outer peripheral wall of the reflecting sleeve 26 and the inner peripheral wall of the sleeve 21 jointly enclose a second flow channel 210 surrounding the periphery of the first flow channel 260, and the second flow channel 210 is internally provided with a negative ion generator 6 capable of generating negative ions. The first flow path 260 is used for sterilization, and the second flow path 210 is used for generating fresh air, which is beneficial to improving air purification effect.

The sleeve 21 of the present embodiment is provided with a switching mechanism 7 that allows wind to flow only through the first flow channel 260 or the second flow channel 210. When the sensor 5 detects that the concentration of the microorganisms in the air is higher than a set value, the air path can be switched to the first flow channel 260 to sterilize the air; when the sensor 5 detects that the concentration of the microorganisms in the air is lower than the set value, the air path can be switched to the second flow channel 210 for adding negative ions into the air and improving the air quality.

In the present embodiment, the switching mechanism 7 includes a first shutter 71, a second shutter 72, a rotating shaft 73, and a motor 74.

An upper cover plate 23 is arranged at the top of the sleeve 21, a lower cover plate 24 is arranged at the bottom of the sleeve 21, a first air outlet 231 corresponding to the upper port of the first flow channel 260 and a second air outlet 232 corresponding to the upper port of the second flow channel 210 are formed in the upper cover plate 23, a first air inlet 241 corresponding to the lower port of the first flow channel 260 and a second air inlet 242 corresponding to the lower port of the second flow channel 210 are formed in the lower cover plate 24, and a first baffle plate 71 can be rotatably arranged on the upper cover plate 23 and is used for covering one of the first air outlet 231 and the second air outlet 232; the second blocking plate 72 is rotatably provided on the lower cover plate 24 to cover one of the first and

second intake ports

241 and 242.

The rotating shaft 73 penetrates through a gap 261 in the middle of the spiral reflecting sleeve 26 and is vertically arranged at the central part of the sleeve 21, the motor 74 is arranged at the central part of the top of the upper cover plate 23, the upper end of the rotating shaft 73 penetrates through the upper cover plate 23 to be connected with the first baffle 71 and the output end of the motor 74, and the lower end of the rotating shaft 73 penetrates through the lower cover plate 24 to be connected with the second baffle 72. The structure makes full use of the structure of the spiral reflecting sleeve 26, and the rotating shaft 73 can rotatably penetrate through the gap 261 in the middle of the reflecting sleeve 26, so that the structure is integrally improved, and the operation is convenient.

In order to supply power to the germicidal lamp tube 22, the bottom of the lower cover plate 24 hides the electric connecting piece 25 connected with the power supply, and the lower end of the germicidal lamp tube 22 has the electric connecting end 221 passing through the lower cover plate 24 and electrically connected with the electric connecting piece 25.

The reflective cover 26 of this embodiment is a light-transmitting structure, the sleeve 21 is a metal sleeve, and the inner wall of the metal sleeve forms a second reflective surface. The reflective sleeve 26 is a transparent structure, and the second reflective surface can be matched with the first reflective surface, so that the reflection times of light rays are increased, and the uniformity of the light rays is further improved.

The lower port of the reflection sleeve 26 of this embodiment is located on the lower wall surface of the reflection sleeve 26, the upper port is located on the upper wall surface of the reflection sleeve 26, the lower end of the reflection sleeve 26 has a side wall 262 disposed toward the central portion of the second flow path 210, and the anion generator 6 is provided on the side wall 262.

The outer shell 1 is made of plastics, plastic parts are easy to age under long-term irradiation of ultraviolet rays, so that the service life of the plastic parts is influenced, the sleeve 21 is made of metal materials, the plastic shell 1 on the outer side of the sleeve can be protected, and aging caused by long-term contact with sterilization light rays is avoided; meanwhile, the inner wall surface of the metal sleeve 21 can form a second reflecting surface capable of reflecting the sterilization light, and the second reflecting surface is annular, so that the light can be reflected for a plurality of times and is mutually matched with the first reflecting surface extending spirally and three-dimensionally, and the improvement of illumination uniformity is facilitated, so that illumination dead angles are eliminated, and the sterilization effect is improved.

In the present embodiment, an air guide 13 extending upward is provided in the center of the top wall of the casing 1, and the outer diameter of the air guide 13 is gradually increased from bottom to top and the outer peripheral wall is formed into an arc-shaped air guide surface 131 which is gradually arched upward. The structure is beneficial to quickly and uniformly spreading and dispersing the sterilized air indoors.

By using the sterilizer of the embodiment, indoor air enters from the air inlet 11 and goes upwards, particulate matters in the air are filtered by the filtering component 3, then the air is sterilized and disinfected by the germicidal lamp component 2, and the sterilized and disinfected air is discharged from the air outlet 12 after the concentration of microorganisms is detected by the detection sensor 5; when passing through the detection sensor 5, if the microorganism concentration is detected to be high, the illumination intensity of the germicidal lamp 22 can be increased, and if the microorganism concentration is lower than the set detection concentration, the illumination intensity of the germicidal lamp 22 can be decreased or the germicidal lamp 22 can be turned off; when switching to the second flow channel 210, the germicidal tube 22 may be turned off.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. The utility model provides a high-efficient air sterilizing apparatus, includes casing (1) and locates bactericidal lamp subassembly (2) in this casing (1), casing (1) lower part has air intake (11), top has air outlet (12), bactericidal lamp subassembly (2) are located between air intake (11) and air outlet (12), its characterized in that: the germicidal lamp assembly (2) comprises a reflecting sleeve (26) and a germicidal lamp tube (22), the reflecting sleeve (26) extends spirally from bottom to top to form a spiral first flow passage (260), the germicidal lamp tube (22) is arranged in the reflecting sleeve (26) and extends along the spiral first flow passage (260), and a first reflecting surface is formed on the inner wall of the reflecting sleeve (26) in a smooth mode.

2. The efficient air sterilizer of claim 1, wherein: germicidal lamp subassembly (2) still includes sleeve (21), sleeve (21) link up from top to bottom and the cover is put on casing (1) inner wall, sleeve (21) are located in to reflection of light cover (26), enclose jointly between the periphery wall of reflection of light cover (26) and sleeve (21) internal perisporium and enclose around first runner (260) outlying second runner (210), be provided with anion generator (6) that can produce the anion in second runner (210).

3. The efficient air sterilizer of claim 2, wherein: a detection sensor (5) for detecting the concentration of microorganisms is arranged in the shell (1) close to the air outlet (12), and a switching mechanism (7) which can enable air to circulate only in the first flow passage (260) or the second flow passage (210) is arranged on the sleeve (21).

4. A high efficiency air sterilizer of claim 3, wherein: the top of the sleeve (21) is provided with an upper cover plate (23), the bottom is provided with a lower cover plate (24), the upper cover plate (23) is provided with a first air outlet (231) arranged corresponding to the upper port of the first flow passage (260) and a second air outlet (232) arranged corresponding to the upper port of the second flow passage (210), the lower cover plate (24) is provided with a first air inlet (241) arranged corresponding to the lower port of the first flow passage (260) and a second air inlet (242) arranged corresponding to the lower port of the second flow passage (210), the switching mechanism (4) is provided with a first baffle (71) which is rotatably arranged on the upper cover plate (23) so as to cover one of the first air outlet (231) and the second air outlet (232), and a second baffle (72) which is rotatably arranged on the lower cover plate (24) so as to cover one of the first air inlet (241) and the second air inlet (242).

5. The efficient air sterilizer of claim 4, wherein: the switching mechanism (7) further comprises a rotating shaft (73) and a motor (74) arranged on the upper cover plate (23), the rotating shaft (73) penetrates through a gap (261) in the middle of the spiral reflecting sleeve (26) and is vertically arranged in the center of the sleeve (21), the upper end of the rotating shaft (73) penetrates through the upper cover plate (23) to be connected with the output ends of the first baffle plate (71) and the motor (74), and the lower end of the rotating shaft (73) penetrates through the lower cover plate (24) to be connected with the second baffle plate (72).

6. The efficient air sterilizer of claim 4, wherein: an electric connecting piece (25) connected with a power supply is hidden at the bottom of the lower cover plate (24), and an electric connecting end which penetrates through the lower cover plate (24) and is electrically connected with the electric connecting piece (25) is arranged at the lower end of the germicidal lamp tube (22).

7. The efficient air sterilizer of claim 2, wherein: the reflecting sleeve (26) is of a light-transmitting structure, the sleeve (21) is a metal sleeve, and a second reflecting surface is formed on the inner wall of the metal sleeve.

8. The efficient air sterilizer of claim 2, wherein: the lower port of the reflecting sleeve (26) is positioned on the lower wall surface of the reflecting sleeve (26), the upper port is positioned on the upper wall surface of the reflecting sleeve (26), the lower end of the reflecting sleeve (26) is provided with a side wall (262) which is arranged towards the central part of the second flow passage (210), and the negative ion generator (6) is arranged on the side wall (262).

9. A high efficiency air sterilizer as claimed in any one of claims 1 to 8, wherein: a filter assembly (3) for filtering particulate matter is arranged in the shell (1), and the filter assembly (3) is positioned at the upstream of the germicidal lamp assembly (2); the fan assembly (4) is arranged in the shell (1) and used for sucking indoor air into the shell (1) and discharging sterilized air, and the fan assembly (4) is arranged at the downstream of the germicidal lamp assembly (2).

10. A high efficiency air sterilizer as claimed in any one of claims 1 to 8, wherein: the air outlet (12) is arranged on the top wall of the shell (1), an air guide (13) extending upwards is arranged in the central part of the top wall of the shell (1), the outer diameter of the air guide (13) is gradually increased from bottom to top, and the outer peripheral wall of the air guide (13) is formed into an arc air guide surface (131) which is gradually arched upwards.