CN218529389U

CN218529389U - Disinfection and sterilization device and lamps and lanterns based on photocatalyst

Info

Publication number: CN218529389U
Application number: CN202222587836.9U
Authority: CN
Inventors: 潘春荣
Original assignee: Zhongshan Likang Lighting Technology Co ltd
Current assignee: Zhongshan Likang Lighting Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-02-28
Anticipated expiration: 2032-09-28

Abstract

The application discloses a disinfection and sterilization device and a lamp based on photocatalyst, which relate to the technical field of lighting devices and comprise a supporting piece for supporting the device, wherein a light-emitting component is arranged in the supporting piece, the light-emitting component comprises a UVA light-emitting piece for emitting ultraviolet light and an LED light-emitting piece for lighting, and a photocatalyst honeycomb is arranged at the irradiation position of the UVA light-emitting piece; the disinfection and sterilization device based on the photocatalyst also comprises a fan used for circulating air inside and outside the device. Through the structure setting, the disinfection and sterilization device based on the photocatalyst can kill the bacteria and viruses in the air efficiently, non-toxically and harmlessly, and the lamp provided with the disinfection and sterilization device based on the photocatalyst integrates three functions of illumination, sterilization, disinfection and dust particle filtration, thereby avoiding occupying too much space.

Description

Disinfection and sterilization device and lamps and lanterns based on photocatalyst

Technical Field

The application relates to the technical field of lighting devices, in particular to a disinfection and sterilization device based on photocatalyst and a lamp.

Background

The household environment, the public places, especially the closed space, need regular disinfection and sterilization, and the method of ultraviolet lamp physical disinfection or chemical disinfection of alcohol and 84 disinfectant is usually adopted, but the ultraviolet lamp effect is single, and only can disinfect and sterilize the object surface, can't purify to the harmful substance that exists in the air, and the chemical disinfection and sterilization method cost of labor is high, and the operating efficiency is low, all has certain danger, can't satisfy the actual use demand.

The existing air purification device is generally arranged on the ground, the action range is limited, the existing air purification device occupies a large space, the traditional killing method is easy to cause great harm to human bodies in a home environment, and the disinfection difficulty is high.

SUMMERY OF THE UTILITY MODEL

To traditional disinfection and sterilization method occupation space big and to the human existence this problem of harm in the in-service use, this application aim at put forward a disinfection and sterilization device based on photocatalyst, can high-efficient, nontoxic harmless exterminate the bacterial virus in the air, based on above-mentioned disinfection and sterilization device based on photocatalyst, this application aim at two is in protecting a lamps and lanterns.

The specific scheme is as follows:

a disinfection and sterilization device based on photocatalyst comprises a supporting part for supporting the device, wherein a light-emitting component is arranged in the supporting part, the light-emitting component comprises a UVA light-emitting part for emitting ultraviolet light and an LED light-emitting part for illuminating, and a photocatalyst honeycomb is arranged at the irradiation position of the UVA light-emitting part;

the disinfection and sterilization device based on the photocatalyst also comprises a fan used for circulating air inside and outside the supporting piece.

Through adopting above-mentioned technical scheme, utilize the fan to make the inside and outside air circulation of device flow, the ultraviolet ray that the UVA light-emitting component sent shines on the titanium dioxide coating of photocatalyst honeycomb, bacterial virus in the air passes through the photocatalyst honeycomb, decompose into nontoxic harmless water and carbon dioxide under the shining of ultraviolet ray, organic pollutant and the chemical that carries are killed to the high efficiency, the LED light-emitting component can throw light on for the device place region, make the device play the effect of disinfecting and illumination simultaneously, the fan makes air circulation also can improve air purification's efficiency, increase device air-purifying's application range.

Preferably, the LED luminous element comprises an LED lamp panel, and a first placing cavity is formed in the middle of the LED lamp panel in a penetrating mode;

the UVA luminous piece comprises a UVA lamp arranged in the first placing cavity and a power supply connected with the UVA lamp.

Through adopting above-mentioned technical scheme, set up UVA illuminating part and help reducing the shared volume of device in the LED lamp plate, realize the miniaturized design of device.

Preferably, a filter screen for filtering fine particles in the air is further arranged in the supporting member.

Through adopting above-mentioned technical scheme, the filter screen can the little particle impurity such as PM2.5 in the filtered air, helps further air-purifying, guarantees the good quality of the air after the device purifies.

A lamp comprises the photocatalyst-based disinfection and sterilization device, wherein the support piece comprises a lamp body shell;

the lamp body shell is provided with a connecting component for mounting the lamp body; wherein, the first and the second end of the pipe are connected with each other,

a photocatalyst shell is arranged outside the photocatalyst honeycomb;

a plurality of air outlets are formed in the lamp body, and a plurality of air inlets are formed in the photocatalyst shell.

By adopting the technical scheme, the disinfection and sterilization device based on the photocatalyst can be arranged on a ceiling or other devices through the connecting assembly, air carrying organic pollutants and chemical factors enters the lamp from the air inlet of the photocatalyst shell, after micro particles are filtered out, the air is decomposed into nontoxic and harmless substances through the photocatalysis of the photocatalyst and is discharged from the air outlet of the lamp shell, the multiple purification effects of purifying particles, organic pollutants and chemical factors in the air are achieved, meanwhile, the harm to a human body is avoided, the coexistence of human and machine is realized, and the disinfection and sterilization device is used in a human scene; the disinfection and sterilization device based on the photocatalyst is arranged in the lamp, so that the disinfection and sterilization device not only has the illumination function, but also has the air purification function, and the space is saved compared with the air purification equipment arranged on the bottom surface; a plurality of lamps are usually required to be arranged, and the purification effect of the disinfection and sterilization device based on the photocatalyst arranged in the lamps enables air in a space to circulate, so that the probability of cross infection of germs is reduced.

Preferably, the LED lamp panel is arranged in a lampshade, and a light through hole with the same size as the first placing cavity is formed in the middle of the lampshade;

the photocatalyst honeycomb set up in light emitting component's UVA light emitting component below, the filter screen set up in photocatalyst honeycomb below, photocatalyst honeycomb and photocatalyst shell support cover are equipped with photocatalyst silica gel cover.

By adopting the technical scheme, the light through holes enable ultraviolet light emitted by the UVA luminous piece to irradiate on the photocatalyst honeycomb arranged below the UVA luminous piece for catalytic decomposition; photocatalyst honeycomb and filter screen set up the position and can make the air filter the particulate matter through the filter screen earlier and pass through the photocatalyst honeycomb again, avoid the particulate matter to block up the photocatalyst honeycomb, cover on the titanium dioxide coating, lead to the photocatalytic effect to weaken, and then lead to the air-purifying effect to weaken.

Preferably, the connecting assembly comprises a circular mounting piece, a mounting hole is formed in the mounting piece along the radial direction of the mounting piece, an inserting piece is arranged at the edge of the mounting piece, one end of the inserting piece is connected with the edge of the mounting piece, and the other end of the inserting piece extends in the direction far away from the center of the mounting piece;

the lamp body shell is provided with an installation groove, the installation piece is inserted into the installation groove, and the lamp body shell is provided with an installation groove.

Through adopting above-mentioned technical scheme, will install the piece and pass through the fixed setting on the ceiling of mounting hole, can dismantle lamps and lanterns demountable installation on the ceiling through the grafting of inserted sheet and mounting groove, can conveniently, dismantle or install lamps and lanterns fast, the maintenance of the user of being convenient for.

Preferably, coupling assembling includes a plurality of shell fragments, the shell fragment is including the linkage segment and the free segment that buckle set up, the linkage segment with lamp body shell connects, and the free segment is to keeping away from lamp body shell's direction extends, still be provided with a plurality of collars on the lamp body shell.

Through adopting above-mentioned technical scheme, when installing lamps and lanterns on the ceiling, can fix lamps and lanterns card in the opening that the ceiling was reserved through the shell fragment, make lamps and lanterns and ceiling smooth connection, compare in the lamps and lanterns that outstanding ceiling set up, be convenient for clean, also more pleasing to the eye, the application scope of lamp body installation has been increased to the collar, is adapted to the installation scene of more differences.

Preferably, a lamp body inner shell is further arranged between the LED lamp panel and the lamp body outer shell, a support structure is arranged on the surface, close to the lamp body outer shell, of the lamp body inner shell around the axial direction of the lamp body inner shell, the support structure comprises a support plate which is horizontally arranged, and a support rod is arranged between the support plate and the outer side surface of the lamp body inner shell; or

And the plurality of supporting rib plates are vertical to the outer side surface of the lamp body inner shell.

By adopting the technical scheme, the structural strength of the lamp body inner shell is enhanced by the supporting structure, and an air channel for air flow to pass through is formed between the supporting structure and the lamp body inner shell, so that purified air can flow to the air outlet on the lamp body outer shell from the air channel; simultaneously the air current also can dispel the heat for it through the LED lamp plate in the work, and the area of contact with the air has also been increased in setting up of support floor, helps the lamp body to dispel the heat.

Preferably, a second placing cavity is formed at the middle position of the supporting plate or at the position of the supporting rods close to the center of the supporting plate, and the fan is positioned in the second placing cavity.

Through adopting above-mentioned technical scheme, with the central point department of putting of fan setting in lamp body inner shell top, the fan of being convenient for draws the air messenger to treat the air inlet entering lamps and lanterns on the photocatalyst shell of below, passes through the multiple purification of filter screen, photocatalyst, ultraviolet ray in proper order, passes through air outlet eduction gear on wind channel and the lamp body shell again.

Preferably, lamp shade edge orientation lamp body shell direction is provided with a plurality of archs, lamp body shell edge corresponds and is provided with the recess, the lamp shade passes through protruding grafting cooperation with the recess can be dismantled and be connected lamp body shell below.

Through adopting above-mentioned technical scheme, the lamp shade is pegged graft with lamp body shell and is dismantled the setting, is convenient for open the lamp shade and carries out inside maintenance or change parts.

Compared with the prior art, the beneficial effects of this application are as follows:

(1) Air inside and outside the device circularly flows through the fan, ultraviolet light emitted by the UVA luminous element irradiates on a titanium dioxide coating of the photocatalyst honeycomb, bacterial viruses in the air pass through the photocatalyst honeycomb and are decomposed into non-toxic harmless water and carbon dioxide under the irradiation of the ultraviolet light, organic pollutants and chemical substances carried by the organic pollutants are efficiently killed, the LED luminous element can illuminate an area where the device is located, the device can play the roles of sterilization, disinfection and illumination at the same time, the fan enables the air to circulate, the air purification efficiency can be improved, and the air purification effect range of the device is enlarged;

(2) The lamp can be arranged on a ceiling or other devices through the connecting assembly, air with organic pollutants and chemical factors enters the lamp from the air inlet of the photocatalyst shell, after tiny particles are filtered out, the air is decomposed into non-toxic and harmless substances through photocatalysis of the photocatalyst and is exhausted from the air outlet of the lamp shell, and the multiple purification effects of purifying particles, organic pollutants and chemical factors in the air are achieved; (ii) a

(3) The sterilization and disinfection device in the lamp with the purification function can not cause harm to human bodies, can realize human-machine coexistence, and can work and use in the manned scene;

(4) The disinfection and sterilization device based on the photocatalyst is arranged in the lamp, so that the disinfection and sterilization device not only has the illumination function but also has the air purification function, and the space is saved compared with the air purification equipment arranged on the bottom surface; a plurality of lamps are usually required to be arranged, and the purification effect of the disinfection and sterilization device based on the photocatalyst arranged in the lamps enables air in a space to circulate, so that the probability of cross infection of germs is reduced.

Drawings

FIG. 1 is a schematic view of the entire device for disinfection and sterilization based on photocatalyst according to the present application;

FIG. 2 is a general schematic view of a second embodiment of the present application;

FIG. 3 is a schematic overall view from another perspective of the embodiment of the present application;

FIG. 4 is an exploded view of the first embodiment of the present application;

FIG. 5 is a general schematic view of a second embodiment of the present application;

FIG. 6 is a schematic view of another embodiment of the present application taken from an overall perspective;

fig. 7 is an exploded view of the second embodiment of the present application.

Reference numerals: 1. a disinfection and sterilization device based on photocatalyst; 2. a light emitting assembly; 21. a UVA light emitting member; 211. a UVA lamp; 212. a power source; 22. an LED light emitting member; 221. a first placing cavity; 3. a photocatalyst honeycomb; 31. a photocatalyst shell; 311. an air inlet; 32. a photocatalyst silica gel sleeve; 4. a fan; 5. filtering with a screen; 6. a lamp body housing; 61. an air outlet; 7. a connecting assembly; 71. mounting a sheet; 711. mounting holes; 72. a spring plate; 8. a lamp body inner shell; 81. a support plate; 82. a support rib plate; 83. a second placing cavity; 9. and a lampshade.

Detailed Description

The present application will be described in further detail with reference to examples and drawings, but the embodiments of the present application are not limited thereto.

In the description of the present application, 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

A photocatalyst-based disinfection and sterilization device is shown in figure 1, and comprises a support member for placing the photocatalyst-based disinfection and sterilization device 1, which is configured as a shell and is not shown in the figure, and the support member of the device can be installed or placed in other devices for cooperation. The supporting piece is internally provided with a light-emitting component 2, a photocatalyst honeycomb 3 and a fan 4, the light-emitting component 2 comprises an LED light-emitting component 22 and a UVA light-emitting component 21, the fan 4 enables air inside and outside the device to flow in a circulating mode, ultraviolet light emitted by the UVA light-emitting component 21 irradiates on a titanium dioxide coating of the photocatalyst honeycomb 3, bacteria and viruses in the air pass through the photocatalyst honeycomb 3 and are decomposed into non-toxic harmless water and carbon dioxide under the irradiation of the ultraviolet light, and organic pollutants and chemical substances carried by the organic pollutants are killed efficiently. Meanwhile, the LED luminous element 22 can illuminate the area where the device is located, so that the device can play the roles of sterilization, disinfection and illumination at the same time, and the fan 4 can circulate air, so that the air purification efficiency can be improved, and the air purification range of the device is enlarged.

In detail, as shown in fig. 1, in the embodiment of the present application, the LED light emitting element 22 includes an LED lamp panel, a first placing cavity 221 having a circular shape is formed through the middle of the LED lamp panel, a UVA light emitting element 21 is disposed in the first placing cavity 221, the UVA light emitting element 21 includes a UVA lamp 211 having a circular plate shape, and a power source 212 connected to the UVA lamp 211, and the UVA lamp 211 can emit a UVA band having a wavelength of 320nm to 400nm, that is, long-wave ultraviolet rays, which can more effectively activate a photocatalyst compared to short-wave ultraviolet rays, and improve the efficiency of decomposing organic pollutants and chemical factors carried by the organic pollutants.

In the application, the photocatalyst medium adopts a honeycomb structure, the surfaces of honeycomb holes are provided with titanium dioxide coatings, the contact area of organic matters, chemical factors and photocatalyst in the air is effectively increased, the photocatalytic decomposition efficiency is improved, ultraviolet rays also have the sterilization and disinfection effects, and under the combined action of the organic matters, the chemical factors and the photocatalyst, the substances such as germs and the like which are difficult to remove by the traditional sterilization and disinfection method in the air are effectively killed.

According to the different installation order of different scenes, photocatalyst honeycomb 3's top or below still are provided with filter screen 5, can filter particulate matters such as PM2.5 and PM10 in waiting to purify the air, prevent that the particulate matter from getting into, blockking up photocatalyst honeycomb 3, and then reduce the area of contact of titanium dioxide and air, have guaranteed photocatalyst photocatalytic decomposition's efficiency.

Example one

A lamp is shown in figure 2 and figure 4, and comprises a lamp body shell 6, wherein a disinfection and sterilization device 1 based on photocatalyst is arranged in the lamp body shell 6, a photocatalyst shell 31 is arranged outside a photocatalyst honeycomb 3, a lampshade 9 is arranged outside an LED lamp panel, and the lamp body shell 6, the lampshade 9 and the photocatalyst shell 31 are combined and spliced together to form an outer shell of the lamp.

In the embodiment of the present application, as shown in fig. 4, the lamp body housing 6 includes two disk-shaped shells coaxially arranged up and down, the disk-shaped shell located above has a smaller diameter and is configured as an air outlet section, and the disk-shaped shell located below has a larger diameter and is configured as a connection section.

And a plurality of air outlets 61 are vertically formed in the outer side wall of the air outlet section along the circumferential direction of the outer side wall and used for discharging air purified by the lamp.

The upper surface of the air outlet section of the lamp body shell 6 is provided with a connecting assembly 7 for installing a lamp body. Coupling assembling 7 is including installation piece 71, and installation piece 71 is circular, has seted up mounting hole 711 along it radially, and in this application embodiment, mounting hole 711 sets up to 4 and is the cross and evenly sets up on installation piece 71, and the line mouth of crossing that is used for passing the electric wire is offered in installation piece 71 centre of a circle department. Installation piece 71 edge is provided with three inserted sheet, the one end of inserted sheet with installation piece 71 edge connection, the other end is to keeping away from installation piece 71 central direction extends, lamp body shell 6 section upper surface edge that gives vent to anger corresponds and has seted up 3 mounting grooves, installation piece 71's inserted sheet and mounting groove plug-in connection.

When the lamp is installed, the installation sheet 71 is fixed on a ceiling or other positions needing to be installed through the bolts, then the installation groove of the lamp body is aligned to the insertion sheet, the lamp body is connected with the installation sheet 71 in an insertion mode, the lamp can be conveniently and quickly detached or installed, and the maintenance of a user is facilitated.

As shown in fig. 4, the upper surface of the air outlet section of the lamp body housing 6 is further provided with a through hole for passing through an electric wire to supply power to components such as the internal fan 4.

The lamp body 6 below is provided with the lamp body inner shell 8 of round platform form, 8 tops of lamp body inner shell are provided with bearing structure, including the circular backup pad 81 of level setting, are provided with the bracing piece between backup pad 81 and the 8 lateral surfaces of lamp body inner shell for strengthen the structural strength of lamps and lanterns casing. The central positions of the supporting plate 81 and the lamp body inner shell 8 are provided with a second placing cavity 83, the fan 4 is placed in the second placing cavity 83, an air channel through which air passes is formed between the supporting plate 81, the supporting rod and the lamp body inner shell 8, the second placing cavity 83 is communicated with the air outlet 61 of the lamp body outer shell 6, and the fan 4 rotates to enable the air to flow through the air channel from the lower part and to be discharged out of the lamp from the air outlet 61, so that the circulation of the air inside and outside the lamp body of the lamp is realized.

The LED light-emitting piece 22 is arranged below the lamp body inner shell 8 and comprises a circular LED lamp plate, a first placing cavity 221 is formed in the circle center of the LED lamp plate, a UVA lamp 211 is arranged in the first placing cavity 221, an annular lampshade 9 is arranged below the LED lamp plate, the shape of the annular lampshade is matched with that of the LED lamp plate, the edge of the annular lampshade extends upwards to form an annular LED lamp plate placing space, and a circular photocatalyst installing groove is formed in the circle center.

9 edge orientation of lamp shade 6 direction of lamp body shell is provided with a plurality of archs, 6 edge correspondences of lamp body shell are provided with the recess, and lamp shade 9 can be dismantled through the grafting cooperation of arch and recess and connect in 6 below of lamp body shell, makes things convenient for the dismantlement and the installation of lamps and lanterns.

Be provided with the photocatalyst subassembly in the photocatalyst mounting groove, from last to being photocatalyst honeycomb 3, filter screen 5 and photocatalyst shell 31 down in proper order, the cover is equipped with the tubular photocatalyst silica gel cover 32 of the pipe form that plays the fixed action between 3 lateral walls of photocatalyst honeycomb and the photocatalyst shell 31.

Photocatalyst shell 31 is cylindricly, and the bottom is provided with air inlet 311, and the air that treats the purification gets into the lamp body from air inlet 311 on the photocatalyst shell 31, passes through filter screen 5, photocatalyst honeycomb 3, UVA lamp 211 ultraviolet purification effect in proper order, discharges from the gas outlet 61 on the lamp body shell 6, realizes the circulation of air and purifies.

The LED lamp in the lamp can provide the illumination effect, photocatalyst honeycomb 3 and filter screen 5 can play the effect (99.99%) that high efficiency killed germ, air-purifying, built-in fan 4 can circulate 15 cubic meters of air of processing in every hour, and a lamp can air-purifying 10 square meters, and it is convenient to compare in air purifier small in size installation, and is nontoxic harmless simultaneously, can realize man-machine coexistence, is adapted to various use scenes and environment.

Example two

The utility model provides a lamp, as shown in fig. 5, with embodiment one the difference lie in that, the whole four-edge platform form that is of lamp, coupling assembling 7 on the lamp shell includes a plurality of shell fragments 72, in this application embodiment, shell fragment 72 sets up to 4, evenly sets up the week side at lamp body housing 6, shell fragment 72 is including the linkage segment and the free section of buckling setting, the linkage segment with lamp body housing 6 is connected, and the free section is to keeping away from lamp body housing 6's direction extension. The spring plate 72 is provided with a connecting hole, and the corresponding position on the lamp body housing 6 is provided with a connecting hole, so that the spring plate 72 can be detachably connected on the lamp body housing 6.

When the lamp body is installed on the ceiling, a square installation opening needs to be reserved on the ceiling, the 4 elastic sheets 72 are folded and inserted into the installation opening, and the lamp body is clamped at the installation opening by the elastic sheets 72.

For further optimization, the lamp body shell 6 can be provided with a mounting ring, so that the lamp is suitable for use scenes without mounting ports, and the application range of the lamp is enlarged.

The LED lamp body is matched with the lamp body outer shell 6, the shape of the lamp body inner shell 8 is quadrangular frustum pyramid, a plurality of supporting rib plates 82 are vertically arranged on the upper surface of the lamp body inner shell around the axial direction of the lamp body inner shell, the supporting rib plates 82 are close to the axis of the lamp body inner shell 8 to form a second placing cavity 83 for placing the fan 4, and the outer shapes of the LED lamp panel and the lampshade 9 are also correspondingly square.

Form the wind channel that is used for passing through the air current between the adjacent support floor 82, support floor 82 has also increased the area of contact of lamp body inner shell 8 with the air, helps the LED lamp plate to dispel the heat.

In the embodiment of the present application, the bottom edge of the inner housing 8 of the lamp body is folded upwards to form a folded edge, and as shown in fig. 6, the bottom surface is provided with an elongated air outlet 61 communicated with the air channel formed by the support ribs 82. The bottom surface of the photocatalyst casing 31 is provided with an air inlet 311, so that air inside and outside the lamp body can circulate.

The advantage of this embodiment lies in, the lamps and lanterns installation back, and gas outlet 61 all sets up in the coplanar with air inlet 311, and the lamp body can directly set up and hide in the ceiling top, occupies less space, makes the ceiling that is provided with lamps and lanterns more pleasing to the eye.

The above description is only a preferred embodiment of the present application, and the scope of the present application is not limited to the above embodiments, and all technical solutions belonging to the idea of the present application belong to the scope of the present application. It should be noted that several improvements and modifications to the present application without departing from the principles of the present application will occur to those skilled in the art, and such improvements and modifications should also be considered within the scope of the present application.

Claims

1. A disinfection and sterilization device based on photocatalyst is characterized by comprising a supporting member for supporting the device, wherein a light-emitting component (2) is arranged in the supporting member, the light-emitting component (2) comprises a UVA light-emitting member (21) for emitting ultraviolet light and an LED light-emitting member (22) for illuminating, and a photocatalyst honeycomb (3) is arranged at the irradiation position of the UVA light-emitting member (21);

the disinfection and sterilization device (1) based on the photocatalyst also comprises a fan (4) used for circulating air inside and outside the supporting piece.

2. The disinfection and sterilization device based on the photocatalyst as claimed in claim 1, wherein the LED light emitting member (22) comprises an LED lamp panel, and a first placing cavity (221) is formed in the middle of the LED lamp panel in a penetrating manner;

the UVA luminous piece (21) comprises a UVA lamp (211) arranged in the first placing cavity (221) and a power supply (212) connected with the UVA lamp (211).

3. The photocatalyst-based disinfecting and sterilizing device of claim 2, wherein said support member is further provided with a filter (5) therein for filtering fine particles in the air.

4. A lamp comprising a photocatalyst-based disinfection and sterilization device (1) as claimed in claim 3, said support member comprising a lamp body housing (6);

a connecting component (7) for installing the lamp body is arranged on the lamp body shell (6); wherein the content of the first and second substances,

a photocatalyst shell (31) is arranged outside the photocatalyst honeycomb (3);

the lamp body is provided with a plurality of air outlets (61), and the photocatalyst shell (31) is provided with a plurality of air inlets (311).

5. The lamp according to claim 4, wherein the LED lamp panel is arranged in a lampshade (9), and a light through hole with the same size as the first placing cavity (221) is formed in the middle of the lampshade (9);

photocatalyst honeycomb (3) set up in UVA illuminating part (21) below of light-emitting component (2), filter screen (5) set up in lower place in photocatalyst honeycomb (3), photocatalyst honeycomb (3) and photocatalyst shell (31) support cover are equipped with photocatalyst silica gel cover (32).

6. A lamp as claimed in claim 4, wherein the connecting assembly (7) comprises a circular mounting plate (71), a mounting hole (711) is formed in the mounting plate (71) along the radial direction of the mounting plate, an insertion sheet is arranged at the edge of the mounting plate (71), one end of the insertion sheet is connected with the edge of the mounting plate (71), and the other end of the insertion sheet extends in the direction away from the center of the mounting plate (71);

the lamp body shell (6) is provided with a mounting groove on the surface facing the mounting sheet (71), and the insertion sheet of the mounting sheet (71) is in plug-in connection with the mounting groove on the lamp body shell (6).

7. A lamp as claimed in claim 4, characterized in that the connection assembly (7) comprises a plurality of resilient strips (72), the resilient strips (72) comprise a connection section and a free section, the connection section is arranged in a bent manner, the connection section is connected with the lamp body housing (6), the free section extends in a direction away from the lamp body housing (6), and a plurality of mounting rings are further arranged on the lamp body housing (6).

8. A lamp as claimed in claim 5, wherein a lamp body inner shell (8) is further arranged between the LED lamp panel and the lamp body outer shell (6), a support structure is arranged on the surface of the lamp body inner shell (8) close to the lamp body outer shell (6) around the axial direction of the lamp body inner shell, the support structure comprises a horizontally arranged support plate (81), and a support rod is arranged between the support plate (81) and the outer side surface of the lamp body inner shell (8); or

A plurality of support ribs (82) perpendicular to the outer side of the lamp body inner shell (8).

9. A lamp as claimed in claim 8, characterized in that the support plate (81) or support bars form a second placing cavity (83) near its central position, and the fan (4) is located in the second placing cavity (83).

10. A lamp as claimed in claim 5, characterized in that a plurality of protrusions are provided at the edge of the lampshade (9) towards the lamp body housing (6), corresponding grooves are provided at the edge of the lamp body housing (6), and the lampshade (9) is detachably connected below the lamp body housing (6) through the insertion fit of the protrusions and the grooves.