CN111895535B

CN111895535B - Deep ultraviolet air disinfection machine head and control method thereof

Info

Publication number: CN111895535B
Application number: CN202010700616.5A
Authority: CN
Inventors: 张胜伟; 王延文; 李文辉; 王玉峰; 郭建宇; 关森
Original assignee: Beijing Aerospace Sanfa High Tech Co Ltd
Current assignee: Beijing Aerospace Sanfa High Tech Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-10-29
Anticipated expiration: 2040-07-21
Also published as: CN111895535A

Abstract

The invention provides a deep ultraviolet air disinfection machine head and a control method thereof, wherein the deep ultraviolet air disinfection machine head comprises the following steps: the air disinfection machine comprises an ultraviolet lamp assembly, an air guide shading assembly and a shell assembly, wherein the ultraviolet lamp assembly is fixedly connected with the air guide shading assembly, the ultraviolet lamp assembly and the air guide shading assembly are placed inside the shell assembly, a fan or an air purifier can be connected below a deep ultraviolet air disinfection machine head, so that air flowing through the air guide shading assembly is disinfected and disinfected, and the ultraviolet wavelength range of the ultraviolet lamp assembly is 250-280 nm.

Description

Deep ultraviolet air disinfection machine head and control method thereof

Technical Field

The invention relates to the technical field of disinfectors, in particular to a deep ultraviolet air disinfection machine head and a control method thereof.

Background

An air sterilizer is a machine for sterilizing air by the principles of filtration, purification, sterilization and the like. In addition to sterilization and disinfection, some models can remove organic pollutants such as formaldehyde, phenol and the like in indoor air, and can also kill or filter allergens such as pollen and the like, and meanwhile, effectively remove smoke and smoke smell generated by smoking, bad smell in a toilet, human body smell and the like.

Because of poor air circulation, a large amount of harmful bacteria and viruses are filled and bred. With the rapid development of public health service in China, due to the fact that people pay more attention to health, especially new coronavirus pneumonia outbreaks in 2019, the requirement of people on air cleanliness of home environment is higher and higher, according to newly published 'new coronavirus pneumonia diagnosis and treatment rapid guideline', 75% alcohol, ether, chloroform, formaldehyde, chlorine-containing disinfectant, peracetic acid and ultraviolet rays can inactivate viruses, and therefore the novel coronavirus is effective to kill by utilizing the ultraviolet rays.

The existing air disinfector is generally only suitable for hospitals, workshops and other scenes, and has the necessary characteristics of large volume, high noise, high energy consumption, and incapability of meeting the requirements of common civil scenes, and the ultraviolet illumination intensity of the existing air disinfector can not be adjusted, so that the disinfection effect is obviously reduced when the air flow is large, therefore, the ultraviolet air purifying disinfector which can be suitable for common civil scenes is urgently needed, such as the scenes of families, offices, hotels, restaurants, schools and the like, the sufficient disinfection effect of ultraviolet rays is ensured, and simultaneously, the ultraviolet rays are prevented from directly irradiating human bodies so as to prevent the skin and eyes from being damaged, and the requirements of civil scene products can be ensured.

Disclosure of Invention

In order to solve the problems, the invention provides the deep ultraviolet air disinfection machine head, the deep ultraviolet can effectively kill novel coronavirus, the illumination intensity of the deep ultraviolet can be enhanced along with the increase of the air flow, the higher the illumination intensity of the ultraviolet, the better the disinfection effect in unit time, and the disinfection machine head can effectively prevent the ultraviolet from leaking to cause damage to human bodies.

A deep ultraviolet air sterilizer head comprising: the air disinfection machine comprises an ultraviolet lamp assembly, an air guide shading assembly and a shell assembly, wherein the ultraviolet lamp assembly is fixedly connected with the air guide shading assembly, the ultraviolet lamp assembly and the air guide shading assembly are placed inside the shell assembly, a fan or an air purifier can be connected below a deep ultraviolet air disinfection machine head, so that air flowing through the air guide shading assembly is disinfected and disinfected, and the ultraviolet wavelength range of the ultraviolet lamp assembly is 250-280 nm.

Further, the ultraviolet lamp assembly has an ultraviolet wavelength of 270 nm.

Further, the ultraviolet lamp assembly comprises an ultraviolet lamp power supply, a radiator, a lamp panel protection ring, an ultraviolet lamp panel, a lampshade and a lampshade mounting seat, and the radiator, the lamp panel protection ring, the ultraviolet lamp panel, the lampshade and the lampshade mounting seat are arranged concentrically; the lamp panel protection ring and the ultraviolet lamp panel are fixedly connected with the radiator, and the ultraviolet lamp panel is arranged inside the lamp panel protection ring; the lamp shade mount pad and lamp plate protection ring fixed connection, the lamp shade setting is between lamp shade mount pad and lamp plate protection ring, and the area of lamp shade is greater than the area of ultraviolet lamp plate.

Further, the inner wall of the lampshade mounting seat is provided with a groove, and the lampshade is arranged in the groove, so that the upper surface of the lampshade is flush with the upper end face of the lampshade mounting seat.

Furthermore, the wind guide and shading assembly comprises a wind guide tube mounting ring, a shading tube and a wind guide tube, the upper end surface of the wind guide tube mounting ring is fixedly connected with the lampshade mounting seat and the lamp panel protection ring of the ultraviolet lamp assembly, the inner annular surface of the shading tube is fixedly connected with the outer annular surface of the lamp panel protection ring of the ultraviolet lamp assembly, and the wind guide tube mounting ring is fixedly connected with the wind guide tube; the lateral wall of the air duct close to the upper edge is provided with a plurality of rows of first through holes, the lower edge of the shading cylinder exceeds the lower edge of the through holes, the lateral wall of the shading cylinder is provided with a second through hole, and the first through holes and the second through holes are arranged in a staggered mode completely, so that ultraviolet rays cannot be leaked from the through holes.

Further, the lower edge of the air duct contacts the inner wall of the housing assembly, thereby positioning the air duct within the housing assembly.

Further, the housing component comprises an upper cover and a body, an air outlet is formed in the upper cover, an air outlet grid is arranged on the air outlet, and the upper cover and the body are connected through a buckle; and a third through hole is formed in the lower end face of the body, and the area of the third through hole is smaller than or equal to the area of an air inlet in the lower end face of an air duct of the air guide shading assembly.

Further, still include adapter assembly, adapter assembly is used for connecting deep ultraviolet ray air disinfection aircraft nose and air purifier.

Furthermore, the switching assembly comprises a switching disc and a shading plate, the switching disc is connected with the lower end face of the shell assembly, and a cavity with an open upper end is formed in the upper end face of the switching disc and used for containing the electric control assembly; the shading plate is arranged above the cavity and used for preventing ultraviolet rays from directly irradiating the electric control assembly; air inlets are formed around the cavity of the adapter plate; the lower terminal surface of switching dish is provided with buckle structure for with air purifier's air-out grid joint.

The invention also provides a control method of the deep ultraviolet air disinfection machine head, based on the deep ultraviolet air disinfection machine head, the control method comprises the following steps: the deep ultraviolet air disinfection machine head is connected with the fan assembly or the air purifier, when the air sensor senses air flow, the ultraviolet lamp assembly is automatically opened to sterilize and disinfect the air, and when the air sensor senses air stop flowing, the ultraviolet lamp assembly is automatically closed.

The invention also provides a control method of the deep ultraviolet air sterilizer head, based on the deep ultraviolet air sterilizer, which comprises the following steps: the deep ultraviolet air disinfection machine head is connected with the fan assembly or the air purifier, the gas flow sensor is arranged inside the disinfection module, and the ultraviolet illumination intensity of the ultraviolet lamp assembly is enhanced along with the rising of the gas flow.

The invention has the beneficial effects that: the deep ultraviolet air disinfection machine head can be combined with a fan assembly to be used as an independent air disinfection machine, can also be combined with the existing air purifier to be used, can purify and disinfect air, has wide application scenes, and has the characteristics of high-efficiency disinfection, low power consumption, low noise and small volume; the deep ultraviolet ray can kill the novel coronavirus by irradiating the RNA of the microorganism, and is very suitable for household use; the deep ultraviolet air disinfection machine head adopts ultraviolet rays with specific wavelength, so that the generation of ozone can be prevented, and a better sterilization effect can be ensured; the ultraviolet illumination intensity of the air disinfection machine head is increased along with the increase of the air flow, so that the disinfection effect under the large air flow is ensured; the wind guide shading assembly can guide wind and prevent ultraviolet rays from leaking, is made of metal materials, avoids the erosion and aging of the materials caused by the ultraviolet rays, avoids the damage of the ultraviolet rays on the human body, and is a risk factor of various skin cancers.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded view of a deep ultraviolet air sterilizer head according to example 1;

FIG. 2 is a front view of a deep ultraviolet air sterilizer head in example 1;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a top view of a deep ultraviolet air sterilizer head of example 1;

FIG. 5 is a first perspective view of a deep ultraviolet air sterilizer head according to example 1;

FIG. 6 is a second perspective view of a deep ultraviolet air sterilizer head of example 1;

FIG. 7 is an exploded view of a deep ultraviolet air sterilizer head according to example 2;

FIG. 8 is a front view of a deep ultraviolet air sterilizer head in example 2;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

fig. 10 is a perspective view of a deep ultraviolet air sterilizer head according to embodiment 2.

Description of reference numerals:

100-an ultraviolet lamp assembly; 101-ultraviolet lamp power supply; 102-a heat sink; 103-a lamp panel protection ring; 104-ultraviolet lamp panel; 105-a lamp shade; 106-lampshade mounting seats; 200-wind guide shading component; 201-air duct mounting ring; 202-shading cylinder; 203-an air duct; 300-shell group price; 301-upper cover; 302-ontology; 400-a transition assembly; 401-a patch panel; 402-a shutter plate; 403-button guide.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

First, a brief description will be made of technical terms involved in the embodiment: the following references to the upper or lower of each structure are defined in terms of the position of the structure relative to the user in normal use; when the arrangement positions of the plurality of structural members are described above or below, the arrangement positions of the plurality of structural members with respect to the user in the normal use state are also defined.

Example 1

As shown in fig. 1-6, a deep ultraviolet air sterilizer head includes: ultraviolet lamp subassembly 100, wind-guiding shading subassembly 200 and shell subassembly 300, ultraviolet lamp subassembly 100 and wind-guiding shading subassembly 200 fixed connection, ultraviolet lamp subassembly 100 and wind-guiding shading subassembly 200 are placed inside shell subassembly 300, and fan or air purifier can be connected to the below of deep ultraviolet air disinfection aircraft nose to the air that flows through wind-guiding shading subassembly 200 carries out the disinfection of disinfecting.

The ultraviolet lamp assembly 100 comprises an ultraviolet lamp power supply 101, a radiator 102, a lamp panel protection ring 103, an ultraviolet lamp panel 104, a lampshade 105 and a lampshade mounting seat 106, wherein the radiator 102, the lamp panel protection ring 103, the ultraviolet lamp panel 104, the lampshade 105 and the lampshade mounting seat 106 are concentrically arranged; the lamp panel protection ring 103 and the ultraviolet lamp panel 104 are fixedly connected with the radiator 102, and the ultraviolet lamp panel 104 is arranged inside the lamp panel protection ring 103; the lampshade mounting seat 106 is fixedly connected with the lamp panel protection ring 103, the lampshade 105 is arranged between the lampshade mounting seat 106 and the lamp panel protection ring 103, and the area of the lampshade 105 is larger than that of the ultraviolet lamp panel 104.

A plurality of ultraviolet light sources are evenly arranged on the ultraviolet lamp panel 104, and the light is even.

The lampshade 105 is made of quartz glass, the ultraviolet transmittance of common glass is low, and the quartz glass has high transmittance of ultraviolet bands, and the transmittance can reach 80% -90%.

The inner wall of lamp shade mount pad 106 is provided with the recess, and lamp shade 105 sets up in the recess for the upper surface of lamp shade 105 and the up end parallel and level of lamp shade mount pad 106, thereby make the fixed of lamp shade more firm, because quartz glass's coefficient of thermal expansion is great, therefore lamp shade mount pad 106 adopts plastics preparation, preferably adopts polytetrafluoroethylene.

When the wavelength of ultraviolet light is less than 200nm, O2 in the air can be changed into O3 (ozone), the ozone has strong oxidizing effect and can effectively kill bacteria, but the ozone as a strong oxidizing agent can almost react with any biological tissue, when the ozone is inhaled into a respiratory tract, the ozone can quickly react with cells and mucosal tissues in the respiratory tract to cause weakening of lung function and tissue damage, the harm of the ozone is more obvious for people suffering from asthma, emphysema and chronic bronchitis, and the ozone concentration is too high to cause toxic effect, because the deep ultraviolet air disinfection machine head is mainly used at home, the house area is small, and for safety, the wavelength of the ultraviolet light emitted by the ultraviolet lamp panel 104 is more than 200nm, so that the ozone is avoided.

Ultraviolet sterilization and disinfection are realized by directly irradiating microorganisms with ultraviolet rays so as to destroy the genetic chains of DNA and RNA of the microorganisms; the ultraviolet lamp panel 104 in this embodiment emits ultraviolet light with a wavelength of 250nm to 280nm, and the ultraviolet lamp panel 104 preferably emits ultraviolet light with a wavelength of 270nm in order to achieve a better sterilization effect.

The wind guide shading assembly 200 comprises a wind guide tube mounting ring 201, a shading tube 202 and a wind guide tube 203, wherein the upper end surface of the wind guide tube mounting ring 201 is fixedly connected with the lampshade mounting seat 106 and the lamp panel protection ring 103, the inner annular surface of the shading tube 202 is fixedly connected with the outer annular surface of the lamp panel protection ring 103, and the wind guide tube mounting ring 201 is fixedly connected with the wind guide tube 203; a plurality of rows of first through holes are formed in the side wall, close to the upper edge, of the air duct 203, the lower edge of the shading cylinder 202 exceeds the lower edge of the through holes, a second through hole is formed in the side wall of the shading cylinder 202, and the first through holes and the second through holes are completely arranged in a staggered mode, so that ultraviolet rays cannot leak from the through holes; the side wall of the air duct 203 is a hyperbolic profile, so that wind resistance is reduced as much as possible; the lower edge of the air funnel 203 contacts the inner wall of the housing assembly 300, thereby positioning the air funnel 203 within the housing assembly 300 and ensuring that no ultraviolet rays are directly irradiated to the housing assembly 300.

The air duct mounting ring 201, the light shielding tube 202 and the air duct 203 are made of metal materials, preferably aluminum alloy, and the ultraviolet rays cause decomposition and aging of organic matters, so that the components directly irradiated by the ultraviolet rays are made of metal.

The inside of air duct 203 is the disinfection chamber, and after the air entered into the disinfection chamber, the air changed the flow direction under the blockking of lamp shade 105, made the air flow out from the first through-hole of air duct 203 and the second through-hole of shading section of thick bamboo 202, and the velocity of flow of air in the disinfection chamber reduces, has increased the time of air in the disinfection chamber to increase ultraviolet lamp and to the irradiation time of air, play good disinfection and isolation effect to the air.

The shell assembly 300 comprises an upper cover 301 and a body 302, wherein an air outlet is formed in the upper cover 301, an air outlet grid is arranged on the air outlet, and the upper cover 301 is connected with the body 302 through a buckle; the lower end surface of the main body 302 is provided with a third through hole, and the area of the third through hole is smaller than or equal to the area of the air inlet on the lower end surface of the air duct 203. The upper cover 301 and the body 302 are made of plastic.

Example 2

Referring to fig. 7 to 10, the deep ultraviolet air sterilizer head of example 2 is added with an adaptor assembly specially adapted for connection with an air cleaner, as compared with example 1, and the remaining components are the same as those of example 1.

The utility model provides a deep ultraviolet air disinfection aircraft nose, includes switching subassembly 400, switching subassembly 400 is used for connecting deep ultraviolet air disinfection aircraft nose and air purifier for the air that blows out from the air purifier air outlet can blow out in the air outlet of upper cover 1 through the disinfection back that disinfects of deep ultraviolet air disinfection aircraft nose.

The adapter assembly 400 comprises an adapter disc 401 and a light shielding plate 402, the adapter disc 401 is connected with the lower end face of the body 302, and a cavity with an open upper end is formed in the upper end face of the adapter disc 401 and used for containing the electric control assembly; the light shielding plate 402 is arranged above the cavity to prevent ultraviolet rays from directly irradiating the electric control assembly; air inlets are formed around the cavity of the adapter plate 401; the lower terminal surface of switching dish 401 is provided with buckle structure for with air purifier's air-out grid joint.

If the power button of the air purifier is on the upper end surface, when the air disinfection machine head is connected with the air purifier up and down, the power button of the air purifier can be shielded, and therefore, optionally, the adapter assembly 400 further comprises a button guide rod 403, and the button guide rod 403 is used for being connected with the power button of the air purifier.

Example 3

A control method of a deep ultraviolet air disinfection machine head is characterized in that the deep ultraviolet air disinfection machine head is connected with a fan assembly or an air purifier, a pneumatic sensor is arranged in the deep ultraviolet air disinfection machine head, when the pneumatic sensor senses that air flows, an ultraviolet lamp assembly 100 is automatically opened to sterilize and disinfect air, and when the pneumatic sensor senses that air stops flowing, the ultraviolet lamp assembly 100 is automatically closed to save energy.

A control method of a deep ultraviolet air disinfection machine head is characterized in that the deep ultraviolet air disinfection machine head is connected with a fan assembly or an air purifier, a gas flow sensor is arranged inside a disinfection module, and the ultraviolet illumination intensity of an ultraviolet lamp assembly is enhanced along with the increase of gas flow.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A deep ultraviolet air sterilizer head, comprising: the air disinfection device comprises an ultraviolet lamp assembly (100), a wind guide and light shielding assembly (200) and a shell assembly (300), wherein the ultraviolet lamp assembly (100) is fixedly connected with the wind guide and light shielding assembly (200), the ultraviolet lamp assembly (100) and the wind guide and light shielding assembly (200) are placed inside the shell assembly (300), a fan or an air purifier can be connected below a deep ultraviolet air disinfection machine head, so that air flowing through the wind guide and light shielding assembly (200) is disinfected and sterilized, and the ultraviolet wavelength range of the ultraviolet lamp assembly (100) is 250nm-280 nm;

the ultraviolet lamp assembly (100) comprises an ultraviolet lamp power supply (101), a radiator (102), a lamp panel protection ring (103), an ultraviolet lamp panel (104), a lampshade (105) and a lampshade mounting seat (106), wherein the radiator (102), the lamp panel protection ring (103), the ultraviolet lamp panel (104), the lampshade (105) and the lampshade mounting seat (106) are concentrically arranged; the lamp panel protection ring (103) and the ultraviolet lamp panel (104) are fixedly connected with the radiator (102), and the ultraviolet lamp panel (104) is arranged inside the lamp panel protection ring (103); the lampshade mounting seat (106) is fixedly connected with the lamp panel protection ring (103), the lampshade (105) is arranged between the lampshade mounting seat (106) and the lamp panel protection ring (103), and the area of the lampshade (105) is larger than that of the ultraviolet lamp panel (104);

the wind guide and light shielding assembly (200) comprises a wind guide tube mounting ring (201), a light shielding tube (202) and a wind guide tube (203), the upper end face of the wind guide tube mounting ring (201) is fixedly connected with a lampshade mounting seat (106) and a lamp panel protection ring (103) of the ultraviolet lamp assembly (100), the inner ring face of the light shielding tube (202) is fixedly connected with the outer ring face of the lamp panel protection ring (103) of the ultraviolet lamp assembly (100), and the wind guide tube mounting ring (201) is fixedly connected with the wind guide tube (203); a plurality of rows of first through holes are formed in the side wall, close to the upper edge, of the air duct (203), the lower edge of the shading cylinder (202) exceeds the lower edge of the through holes, a second through hole is formed in the side wall of the shading cylinder (202), and the first through holes and the second through holes are completely arranged in a staggered mode, so that ultraviolet rays cannot leak from the through holes;

the shell assembly (300) comprises an upper cover (301) and a body (302), an air outlet is formed in the upper cover (301), an air outlet grid is arranged on the air outlet, and the upper cover (301) is connected with the body (302) through a buckle; a third through hole is formed in the lower end face of the body (302), and the area of the third through hole is smaller than or equal to the area of an air inlet in the lower end face of an air guide cylinder (203) of the air guide shading assembly (200); the air purifier also comprises an adapter assembly (400), wherein the adapter assembly (400) is used for connecting the deep ultraviolet air sterilizing machine head with the air purifier;

the adapter assembly (400) comprises an adapter disc (401) and a shading plate (402), the adapter disc (401) is connected with the lower end face of the shell assembly (300), and a cavity with an open upper end is formed in the upper end face of the adapter disc (401) and used for containing the electric control assembly; the light shielding plate (402) is arranged above the cavity and prevents ultraviolet rays from directly irradiating the electric control assembly; an air inlet is formed around the cavity of the adapter plate (401); the lower terminal surface of switching dish (401) is provided with buckle structure for with air purifier's air-out grid joint.

2. The deep ultraviolet air sterilizer head of claim 1, wherein the ultraviolet lamp assembly (100) has an ultraviolet wavelength of 270 nm.

3. The deep ultraviolet air sterilizer head according to claim 1, wherein the inner wall of the lamp cover mounting seat (106) is provided with a groove, and the lamp cover (105) is disposed in the groove so that the upper surface of the lamp cover (105) is flush with the upper end surface of the lamp cover mounting seat (106).

4. The deep ultraviolet air sterilizer head as claimed in claim 1, wherein a lower edge of the air guide duct (203) is in contact with an inner wall of the housing assembly (300) so as to position the air guide duct (203) within the housing assembly (300).

5. A control method of a deep ultraviolet air sterilizer head, which is based on any one of claims 1 to 4, and comprises the following steps: the deep ultraviolet air disinfection machine head is connected with the fan assembly or the air purifier, when the air sensor senses air flow, the ultraviolet lamp assembly is automatically opened to sterilize and disinfect the air, and when the air sensor senses air stop flowing, the ultraviolet lamp assembly is automatically closed.

6. A control method of a deep ultraviolet air sterilizer head, which is based on any one of claims 1 to 4, and comprises the following steps: the deep ultraviolet air disinfection machine head is connected with the fan assembly or the air purifier, the gas flow sensor is arranged inside the disinfection module, and the ultraviolet illumination intensity of the ultraviolet lamp assembly is enhanced along with the rising of the gas flow.