CN218379805U

CN218379805U - Photocatalyst disinfection lamp

Info

Publication number: CN218379805U
Application number: CN202222587822.7U
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: 2023-01-24
Anticipated expiration: 2032-09-28

Abstract

The application discloses photocatalyst disinfection lamp relates to lamps and lanterns technical field, including lamp body power and lamp body shell, be provided with the mounting structure who is used for installing the lamp body on the lamp body shell, lamp body shell below is provided with the filtration screen panel that is arranged in the prefiltration air particulate matter, the filter screen covers and is provided with the air inlet, is provided with the photocatalyst subassembly in the filtration screen panel, including the photocatalyst honeycomb, shine UVA illuminating part on the photocatalyst honeycomb and with the UVA power that UVA illuminating part is connected, still be provided with the fan that makes the inside and outside air cycle of lamp body circulate in the lamp body shell, the fan below is provided with the LED illuminating part, the cover of LED illuminating part below is equipped with the lamp shade, be provided with the gas outlet on the lamp shade. Through the structure setting, the photocatalyst sterilizing lamp can integrate the functions of air purification, sterilization and illumination, and realizes the effect of high-efficiency air purification and no occupation of too much space.

Description

Photocatalyst disinfection lamp

Technical Field

The application relates to the technical field of lamps, in particular to a photocatalyst disinfection lamp.

Background

In the post epidemic period, the household environment, the public places, especially the closed space, need to be regularly disinfected and sterilized, and the ultraviolet lamp physical disinfection or the chemical disinfection method of alcohol and 84 disinfectant is usually adopted, but the ultraviolet lamp has a single effect, can only disinfect and sterilize the surface of an object, cannot purify harmful substances existing in the air, and the chemical disinfection method has high labor cost, low operation efficiency, certain dangerousness and cannot meet the actual use requirements.

The existing air purification devices are generally arranged on the ground, occupy more space, can influence the reasonable arrangement of the home environment when used in the home environment, and have the disadvantages that the field space is large, the air purification effect can be deteriorated, and the cost for arranging a plurality of air purification devices is high, and more space can be occupied.

SUMMERY OF THE UTILITY MODEL

To the more this problem of air purification device occupation space among the actual application, this application aim at provides a photocatalyst disinfection lamp, collects air-purifying, disinfection, illumination function in an organic whole, does not occupy the effect in too much space when realizing high-efficient air-purifying.

The specific scheme is as follows:

a photocatalyst disinfection lamp comprises a lamp body power supply and a lamp body shell, wherein an installation structure for installing a lamp body is arranged on the lamp body shell, a filter screen cover for preliminarily filtering particles in air is arranged below the lamp body shell, and an air inlet is formed in the filter screen cover;

a photocatalyst component is arranged in the filter screen cover and comprises a photocatalyst honeycomb, a UVA luminous piece irradiated on the photocatalyst honeycomb and a UVA power supply connected with the UVA luminous piece;

still be provided with the fan that makes the inside and outside air cycle of lamp body circulate in the lamp body shell, the fan below is provided with the LED illuminating part, LED illuminating part below covers and is equipped with the lamp shade, be provided with the gas outlet on the lamp shade.

By adopting the technical scheme, the fan sucks air into the lamp body, particulate matters are filtered by the filter screen, organic pollutants and chemical factors are catalyzed by the photocatalyst and are oxidized and decomposed by the photocatalyst in sequence, the ultraviolet lamp is used for further sterilization and disinfection, and the air is discharged out of the lamp body through the air outlet on the lamp shade, so that the multiple air purification effect is achieved, and substances harmful to human bodies, such as PM2.5, formaldehyde, bacteria, viruses and the like in the air are efficiently removed; simultaneously, the LED illuminating part arranged below can be used for illuminating for the lamp body, three effects of disinfection, air purification and illumination are combined, and compared with an air purification device arranged on the ground, the space is greatly saved.

Preferably, the filter screen is disc-shaped, a first placing cavity is formed in the position of the circle center, and the photocatalyst component is arranged in the first placing cavity;

the filter screen panel has seted up a plurality of air inlets around its axial, and is a plurality of air inlet department all is provided with the filter screen.

Through adopting above-mentioned technical scheme, set up dust PM2.5 etc. particulate matters in the filter screen can effective filtration air in air inlet department, prevent that the particulate matter from getting into the lamp body and blocking the photocatalyst honeycomb, reduce the area of contact of photocatalyst honeycomb titanium dioxide coating and air, avoid influencing the oxidative decomposition efficiency of photocatalyst subassembly to organic pollutant, chemical factor.

Preferably, the side cover is equipped with the photocatalyst silica gel cover that is used for fixing in all sides of photocatalyst honeycomb, UVA light emitting component and UVA power set up be in under the photocatalyst honeycomb.

By adopting the technical scheme, the photocatalyst honeycomb is fixed above the UVA luminous element by the photocatalyst silica gel sleeve, so that the long-wave ultraviolet light emitted by the UVA luminous element can fully activate the photocatalyst of the ceramic substrate, and the oxidative decomposition efficiency is improved; the titanium dioxide coating is arranged in the holes of the photocatalyst honeycombs, so that the contact area of titanium dioxide and air to be purified is increased, and the air purifying efficiency is further improved.

Preferably, the UVA luminous piece is in a circular ring sheet shape, a channel for air flow to pass through is formed in the center of the UVA luminous piece, two connecting pieces are arranged on two sides of the UVA luminous piece in a parallel mode to the plane where the UVA luminous piece is located, and connecting holes are formed in the connecting pieces in a penetrating mode.

By adopting the technical scheme, the air purified by the photocatalyst can pass through the channel arranged in the center through the UVA luminous element and is irradiated by ultraviolet hanging rays to further kill germs and ensure the good quality of the air after evolution; the connecting sheet and the UVA luminous piece can be fixed at a specific position, so that the emitted ultraviolet light can fully irradiate the photocatalyst honeycomb, the photocatalyst of the ceramic substrate can be fully activated, and the quality and the efficiency of air purification can be guaranteed.

Preferably, the lamp body inner shell is further arranged in the lamp body outer shell and comprises a circular connecting plate, a channel for air flow to pass through is formed in the circle center of the circular connecting plate, the surface of the connecting plate, which is connected with the upper filter screen cover, is arranged as the upper surface, and the surface, which is connected with the lower Fang Dengzhao, is arranged as the lower surface;

a first connecting groove is formed in the edge of the upper surface of the connecting plate, a first connecting plug block is correspondingly arranged at the edge of the filter screen cover, and the lamp body inner shell is detachably connected with the filter screen cover through the plug-in fit of the first connecting groove and the first connecting plug block;

the lamp body inner shell passes through the grafting cooperation of second coupling groove and second connection inserted block with the connection can be dismantled to the lamp shade.

Through adopting above-mentioned technical scheme, lamp body shell, filter screen panel, lamp body inner shell can from top to bottom peg graft the setting in proper order, and convenient to detach and installation improve production efficiency, simultaneously, conveniently dismantle and change filter screen panel etc. guarantee the quality and the efficiency of the air-purifying of lamp body.

Preferably, the upper surface of the connecting plate is provided with a mounting pipe, and the inner wall of the mounting pipe protrudes towards the axis direction to form a second placing cavity matched with the fan and the photocatalyst silica gel sleeve in shape.

Through adopting above-mentioned technical scheme, fan, photocatalyst component can block to place.

Preferably, the outer diameter of the installation tube is smaller than the diameter of the first placing cavity;

a plurality of clamping plates are arranged perpendicular to the connecting plate along the circumferential direction of the mounting pipe, one ends of the plurality of clamping plates, which are far away from the connecting plate, are parallel to the connecting plate and provided with clamping grooves, and one ends of the clamping grooves are protruded towards the direction far away from the connecting plate;

a plurality of clamping rods are arranged on the inner side wall of the lamp body inner shell towards the axial direction of the inner side wall, one ends of the clamping rods are connected with the inner side wall of the lamp body inner shell, and clamping convex blocks are arranged at the other ends of the clamping rods;

the lamp body inner shell passes through the card cooperation of card board and card pole can dismantle with the lamp body shell and be connected.

Through adopting above-mentioned technical scheme, make the installation pipe pass the first chamber of placing of filtering the screen panel and be connected with lamp body shell card, conveniently dismantle the lamp body and carry out the change of filter screen or filtering the screen panel.

Preferably, the lampshade is annular, the circle center is fixedly connected with an air outlet plate, and a plurality of air outlets are formed in the air outlet plate;

and a circular LED luminous piece is arranged between the connecting plate of the lampshade and the inner shell of the lamp body.

By adopting the technical scheme, the purified air flow is discharged out of the lamp body through the channel at the circle center of the LED luminous element and the air outlet plate at the circle center of the lampshade, so that the circulating flow of the air flow is realized.

Preferably, the lamp body power supply is arranged on the upper surface of the lamp body shell and electrically connected with the fan and the LED illuminating part inside the lamp body, and a power supply cover is covered outside the lamp body power supply.

By adopting the technical scheme, the lamp body power supply is utilized to supply power for the fan and the LED illuminating part, and the normal operation of the device in the lamp body is ensured.

Preferably, the mounting structure comprises a plurality of spring plates, and the spring plates comprise connecting sections which are arranged in a bending mode and connected to the outer side wall of the lamp body shell and free sections which extend in the direction far away from the lamp body shell;

a plurality of the elastic pieces are uniformly arranged along the circumferential direction of the outer side wall of the lamp body shell.

Through adopting above-mentioned technical scheme, when the installation, draw in the shell fragment in with the hand, insert the installing port of reservation with lamp body upper portion after, the shell fragment can block the lamp body card in installing port department after reseing, and convenient, swiftly realize the installation and dismantle, need not use tools.

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

(1) Air is sucked into the lamp body through the fan, particles are filtered through the filter screen, organic pollutants and chemical factors are catalyzed by the photocatalyst and are oxidized and decomposed, the ultraviolet lamp is used for further sterilization and disinfection, and the air is discharged out of the lamp body through the air outlet on the lampshade, so that the effect of multiple purification of the air is achieved, and substances harmful to human bodies, such as PM2.5, formaldehyde, bacteria, viruses and the like in the air are removed efficiently;

(2) The LED luminous element arranged below can illuminate the lamp body arrangement area, so that three effects of disinfection, sterilization, air purification and illumination are combined, and compared with an air purification device arranged on the ground, the space is greatly saved;

(3) All adopt the connected mode of grafting card system between lamp body shell, lamp body inner shell, the filter screen panel and the lamp shade, the production and installation of facilitating the use improves production efficiency, also facilitates the user and dismantles and change the filter screen panel, need not additionally to use other assembly and disassembly tools such as screwdriver.

Drawings

FIG. 1 is a general schematic of the present application;

FIG. 2 is a general schematic view of another angle of the present application;

FIG. 3 is an exploded schematic view of the present application;

FIG. 4 is a schematic view of a UVA light emitter and a UVA power supply of the present application;

fig. 5 is a schematic view of an inner housing of a lamp body according to the present application.

Reference numerals: 1. a lamp body power supply; 11. a power supply cover; 2. a lamp body housing; 21. a spring plate; 3. a filtering net cover; 31. an air inlet; 32. a first placing cavity; 4. a photocatalyst component; 41. a photocatalyst honeycomb; 42. a photocatalyst silica gel sleeve; 43. a UVA light emitting member; 44. a UVA power supply; 5. a fan; 6. a lamp body inner shell; 61. a connecting plate; 62. installing a pipe; 621. a second placing cavity; 63. a clamping plate; 7. an LED light emitting member; 8. a lamp shade; 81. an air outlet plate; 811. and an air outlet.

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.

The utility model provides a photocatalyst disinfection lamp, as shown in figure 1 and combine figure 3, includes the casing, the casing is from last to including power lid 11, lamp body shell 2, filter screen panel 3, lamp body inner shell 6 and lamp shade 8 down in proper order, wholly is cylindricly, and the casing is inside to be provided with and to be used for disinfecting photocatalyst component 4, be used for promoting air cycle's fan 5 and be used for the LED illuminating part 7 of illumination. Inside sucking the lamp body with the air through fan 5, filter dust particulate matter, 4 catalytic organic pollutants of photocatalyst subassembly and chemical factor oxidative decomposition through filter screen panel 3 in proper order, ultraviolet lamp further disinfects the disinfection, and the lamp body is discharged through gas outlet 811 on the lamp shade 8, plays the effect to the multiple purification of air, high-efficient purification.

As shown in fig. 1-2, be provided with mounting structure on the 2 lateral walls of lamp body shell for in installing the installing port that the lamp body was reserved on the ceiling, including a plurality of edges the shell fragment 21 that 2 lateral walls of lamp body shell circumference evenly set up, shell fragment 21 is the setting of buckling, including connecting the linkage segment on 2 lateral walls of lamp body shell and to keeping away from the free section that 2 directions of lamp body shell extended, in this application embodiment, shell fragment 21 sets up to two, and sets up the both sides at lamp body shell 2.

When the lamp is installed, the two elastic sheets 21 are folded by hands, the reserved installation opening is inserted into the upper portion of the lamp body, the lamp body is clamped in the installation opening after the elastic sheets 21 reset, tools can be omitted, and the lamp can be conveniently and quickly installed and disassembled. When the lamp body is detached, the lamp body can be detached only by holding the shell and pulling the shell downwards.

As shown in fig. 3, the lamp body power source 1 is installed in the power source cover 11 to supply power to the fan 5 and the LED light emitting element 7.

Filter screen panel 3 is discoid, as shown in fig. 3, central point puts and has seted up the first chamber 32 of placing, first place chamber 32 edge and upwards extend and form circular arch, filter screen panel 3 has seted up a plurality of air inlets 31 around its axial, and a plurality of air inlets 31 department all is provided with the filter screen, and in this application embodiment, the HEPA of H11 grade is chooseed for use to the filter screen, can get 98% dust particulate matter in the air efficient, realizes the preliminary purification to the air, reduces the windage simultaneously, guarantees the silence work of lamp body. After the lamp body works and uses for a period of time, the filter screen 3 needs to be detached and replaced so as to ensure smooth circulation and purification efficiency of air.

The first chamber 32 of placing of filter screen panel 3 is provided with photocatalyst subassembly 4, as shown in fig. 3, including photocatalyst honeycomb 41, photocatalyst honeycomb 41 week side cover is equipped with and is used for fixed photocatalyst silica gel cover 42, and photocatalyst honeycomb 41 pore surface is provided with the titanium dioxide coating, has increased the surface area of air with it contact, has improved oxidative decomposition's efficiency. In the embodiment of the present application, the photocatalyst is a ceramic-based photocatalyst, and other materials such as an aluminum base may also be used.

As shown in fig. 4, the UVA light-emitting member 43 is shaped like a circular ring, a channel through which air flows is formed in the center of the UVA light-emitting member 43, two connecting plates are arranged on two sides of the UVA light-emitting member 43 parallel to the plane of the UVA light-emitting member 43, and the connecting plates are provided with connecting holes through which the UVA light-emitting member 43 is fixed inside the lamp body, so that ultraviolet light emitted from the UVA light-emitting member 43 can be fully irradiated on the photocatalyst honeycomb 41, and the photocatalyst honeycomb 41 is fully activated.

In order to ensure that the air flow is sufficiently purified by the purification devices at all stages and then discharged out of the lamp body, and the inside and outside air is circulated, the fan 5 is arranged at the bottom of each disinfection and sterilization device, namely, below the UVA luminescent part 43.

Fan 5 below sets up to lamp body inner shell 6, including being circular shape connecting plate 61, its centre of a circle department sets up the passageway that supplies to purify the back air current and pass through, the face that connecting plate 61 is connected with top filter screen panel 3 sets up to the upper surface, and the face that is connected with below lamp shade 8 sets up to the lower surface, pegs graft for further easy to assemble, and is preferred, and connecting plate 61 upper surface edge evenly is provided with three first connecting groove, filter screen panel 3 edge correspondence is provided with three first connection inserted block, and lamp body inner shell 6 can dismantle with filter screen panel 3 through the grafting cooperation of first connecting groove with first connection inserted block and be connected.

Connecting plate 61 upper surface is provided with installation pipe 62, and the chamber 621 is placed to the protruding second that forms and suit with fan 5, photocatalyst silica gel cover 42 shape of its axis direction to the installation pipe 62 inner wall, in this application embodiment, because fan 5 shell cross-section is the square, the second place the cross sectional shape of chamber 621 and suit rather than, can stabilize card fan 5 and photocatalyst component 4.

The outer diameter of the mounting tube 62 is smaller than the diameter of the first placing cavity 32 of the filter screen 3, as shown in fig. 3 and fig. 5, the mounting tube 62 of the lamp body inner shell 6 can pass through the first placing cavity 32 of the filter screen 3 to be mutually clamped with the lamp body outer shell 2. Be provided with three card and decide board 63 along installation pipe 62 circumference perpendicular to connecting plate 61, the parallel card and decide the groove of having seted up of the one end that connecting plate 61 was kept away from to three card and decide board 63, the one end in card and decide the groove to keeping away from the direction of connecting plate 61 is protruding, and the width is great. Three clamping rods are arranged on the inner side wall of the lamp body inner shell 6 in the axial direction, one end of each clamping rod is connected with the inner side wall of the lamp body inner shell 6, and a clamping convex block is arranged at the other end of each clamping rod.

When the installation, pass the first chamber 32 of placing of filter screen panel 3 with the installation pipe 62 of lamp body inner shell 6, stretch into lamp body outer shell 2 inside, make the body of rod of three card fixed pole aim at three card fixed groove respectively, rotate lamp body inner shell 6 along clockwise, make card fixed pole along card fixed groove gliding to the great position department of width to make lamp body inner shell 6 block downwards, realize lamp body outer shell 2 and lamp body inner shell 6 mutual card and be connected.

The inserted block is connected to the three second that evenly is provided with in connecting plate 61 lower surface edge, 8 edges of lamp shade correspond and are provided with three second coupling groove, lamp body inner shell 6 can dismantle with lamp shade 8 through the grafting cooperation that second coupling groove and second were connected the inserted block and be connected.

Be located to be provided with LED illuminating part 7 between connecting plate 61 and lamp shade 8, including the LED lamp plate, provide the illumination effect for the lamp body region. The LED lamp plate is circular ring shape, and its center department is convenient for through the air that purifies the completion, and the centre of a circle department card of lamp shade 8 is provided with out gas board 81, has seted up a plurality of gas outlets 811 on the gas board 81, and the air that the purification was accomplished is discharged.

The working process and principle are as follows:

s1, air to be purified is sucked by a fan 5 and passes through a filter screen 3, and particulate matters such as dust, PM2.5 and the like in the air are primarily filtered;

s2, irradiating the UVA luminous element 43 on the photocatalyst honeycomb 41 to fully activate the photocatalyst of the ceramic substrate, and catalyzing the preliminarily filtered air through the photocatalyst honeycomb 41 by ultraviolet light to generate hydroxyl radicals and active oxygen with strong oxidizing property, so as to oxidize and decompose organic pollutants into nontoxic and harmless water and carbon dioxide;

s3, when the air passes through the UVA luminous piece 43, the ultraviolet light further disinfects and sterilizes the air;

and S4, the fresh air after the third disinfection, sterilization and purification is discharged out of the lamp body through the air outlet 811 of the air outlet plate 81 of the lampshade 8.

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 photocatalyst disinfection lamp is characterized by comprising a lamp body power supply (1) and a lamp body shell (2), wherein the lamp body shell (2) is provided with a mounting structure for mounting a lamp body, a filter screen (3) for primarily filtering particles in air is arranged below the lamp body shell (2), and the filter screen (3) is provided with an air inlet (31);

a photocatalyst component (4) is arranged in the filter screen cover (3) and comprises a photocatalyst honeycomb (41), a UVA luminous piece (43) irradiating on the photocatalyst honeycomb (41) and a UVA power supply (44) connected with the UVA luminous piece (43);

still be provided with fan (5) that make the inside and outside air cycle of lamp body circulate in lamp body shell (2), fan (5) below is provided with LED illuminating part (7), LED illuminating part (7) below cover is equipped with lamp shade (8), be provided with gas outlet (811) on lamp shade (8).

2. The photo-catalytic disinfection lamp as claimed in claim 1, wherein the filter screen (3) is disc-shaped, a first placing cavity (32) is opened at the center of the circle, and the photo-catalytic component (4) is disposed in the first placing cavity (32);

a plurality of air inlets (31) have been seted up around its axial in filter screen panel (3), and is a plurality of air inlet (31) department all is provided with the filter screen.

3. The photocatalyst sterilizing lamp as claimed in claim 2, wherein the photocatalyst honeycomb (41) is sleeved with a photocatalyst silica gel sleeve (42) for fixing, and the UVA light emitting member (43) and the UVA power source (44) are arranged right below the photocatalyst honeycomb (41).

4. The photocatalyst sterilizing lamp as claimed in claim 3, wherein the UVA light emitting member (43) is in the shape of a circular ring, a channel for air flow to pass through is formed in the center of the UVA light emitting member, two connecting pieces are arranged on two sides of the UVA light emitting member (43) in parallel to the plane where the UVA light emitting member is located, and connecting holes are formed in the connecting pieces in a penetrating manner.

5. The photocatalyst sterilizing lamp as claimed in claim 2, wherein the lamp body housing (2) is further provided with a lamp body inner housing (6) which comprises a circular connecting plate (61), the center of the circular connecting plate is provided with a channel for air flow to pass through, the surface of the connecting plate (61) connected with the upper filter screen (3) is arranged as the upper surface, and the surface connected with the lower Fang Dengzhao (8) is arranged as the lower surface;

a first connecting groove is formed in the edge of the upper surface of the connecting plate (61), a first connecting inserting block is correspondingly arranged at the edge of the filter screen (3), and the lamp body inner shell (6) is detachably connected with the filter screen (3) through the inserting fit of the first connecting groove and the first connecting inserting block;

the edge of the lower surface of the connecting plate (61) is provided with a second connecting insert, the edge of the lampshade (8) is correspondingly provided with a second connecting groove, and the lamp body inner shell (6) is connected with the lampshade (8) in a detachable mode through the inserting connection of the second connecting groove and the second connecting insert.

6. The photocatalyst sterilizing lamp as claimed in claim 5, wherein the upper surface of the connecting plate (61) is provided with a mounting tube (62), and the inner wall of the mounting tube (62) protrudes towards the axial direction to form a second placing cavity (621) which is adapted to the shape of the fan (5) and the photocatalyst silica gel cover (42).

7. The photo-catalytic disinfection lamp as claimed in claim 6, wherein the outer diameter of the mounting tube (62) is smaller than the diameter of the first placing chamber (32);

a plurality of clamping plates (63) are arranged perpendicular to the connecting plate (61) along the circumferential direction of the mounting pipe (62), one ends, far away from the connecting plate (61), of the clamping plates (63) are parallel to the connecting plate (61) and provided with clamping grooves, and one ends of the clamping grooves protrude in the direction far away from the connecting plate (61);

a plurality of clamping rods are arranged on the inner side wall of the lamp body inner shell (6) towards the axial direction of the inner side wall, one end of each clamping rod is connected with the inner side wall of the lamp body inner shell (6), and a clamping convex block is arranged at the other end of each clamping rod;

the lamp body inner shell (6) is detachably connected with the lamp body outer shell (2) through the clamping matching of the clamping plate (63) and the clamping rod.

8. The photocatalyst sterilizing lamp as claimed in claim 5, wherein the lamp cover (8) is circular, the center of the circle is clamped and connected with an air outlet plate (81), and the air outlet plate (81) is provided with a plurality of air outlets (811);

and a circular LED luminous part (7) is arranged between the lampshade (8) and the connecting plate (61) of the lamp body inner shell (6).

9. The photo-catalytic disinfection lamp as claimed in claim 8, wherein the lamp body power supply (1) is disposed on the upper surface of the lamp body housing (2) and electrically connected to the fan (5) and the LED light emitting element (7) inside the lamp body, and the power supply cover (11) is covered outside the lamp body power supply (1).

10. The photocatalyst sterilizing lamp as claimed in claim 1, wherein the mounting structure comprises a plurality of resilient sheets (21) including a connecting section bent and connected to the outer side wall of the lamp body housing (2) and a free section extending away from the lamp body housing (2);

a plurality of the elastic pieces (21) are uniformly arranged along the circumferential direction of the outer side wall of the lamp body shell (2).