Self-cleaning photocatalytic antibacterial ceiling lamp
By introducing a cleaning mechanism into the photocatalytic antibacterial ceiling light, the problem of the photocatalytic coating being covered is solved by using a motor-driven support frame and a cleaning cloth to wipe alternately, ensuring the continuous and efficient operation of the photocatalytic antibacterial ceiling light.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QIDONG SHENGLI PHOTOELECTRIC TECH CO LTD
- Filing Date
- 2025-07-11
- Publication Date
- 2026-05-19
AI Technical Summary
Existing photocatalytic antibacterial ceiling lights lack a self-cleaning mechanism, which makes the photocatalytic coating easily covered by dust and stains, affecting the antibacterial and air purification effects.
A self-cleaning photocatalytic antibacterial ceiling light was designed, which includes a cleaning mechanism. It utilizes a motor-driven support frame and a cleaning cloth to ensure that the photocatalytic coating is in full contact with light by wiping with the cloth alternately with wet and dry cloths, thus achieving automatic cleaning.
It effectively removes dust and stains, maintains the activity of the photocatalytic coating, and ensures the continued effectiveness of its antibacterial and air-purifying properties.
Smart Images

Figure CN224261531U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ceiling light technology, and more specifically, to a self-cleaning photocatalytic antibacterial ceiling light. Background Technology
[0002] Photocatalytic antibacterial ceiling lights primarily utilize photocatalytic technology. A photocatalyst is a photocatalyst, commonly such as titanium dioxide. Under light irradiation, the photocatalyst undergoes a photocatalytic reaction, generating a large number of hydroxyl radicals and negative oxygen ions. These active substances possess strong redox capabilities, capable of destroying bacterial cell membranes and viral proteins, ultimately decomposing them into water and carbon dioxide, thereby achieving sterilization and antibacterial functions. Simultaneously, they can decompose harmful gases and odor molecules in the air, achieving air purification. For example, a novel photocatalytic antibacterial ceiling light proposed in application number "CN202021697457.X" includes a lamp body with a face shield, the surface of which is coated with an antibacterial layer. The antibacterial coating layer is a photocatalytic titanium dioxide coating layer.
[0003] However, the above-mentioned technical solutions lack an effective self-cleaning mechanism, causing the photocatalytic coating to be exposed to the air for a long time, making it easy to be covered by dust and stains, which affects the contact between the photocatalyst and light, and reduces the antibacterial and air purification effects. Therefore, we propose a self-cleaning photocatalytic antibacterial ceiling light to solve the above problems. Utility Model Content
[0004] The main purpose of this utility model is to provide a self-cleaning photocatalytic antibacterial ceiling light, which solves the problem that due to the lack of an effective self-cleaning mechanism, the photocatalytic coating is exposed to the air for a long time and is easily covered by dust and stains, thereby affecting the contact between the photocatalyst and light and reducing the antibacterial and air purification effects.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A self-cleaning photocatalytic antibacterial ceiling light includes a chassis, a lampshade mounted on the lower end of the chassis, and several LED beads installed between the chassis and the lampshade. A cleaning mechanism is mounted on the lower end of the chassis and is in contact with the surface of the lampshade. The cleaning mechanism includes a U-shaped groove located on the lower surface of the chassis. A movable block is movably mounted at the rear end of the U-shaped groove. A first motor is mounted inside the chassis near the movable block. The output end of the first motor is movably mounted inside the U-shaped groove and connected to the movable block. An electric push rod is mounted at the lower end of the movable block. A support frame is installed at the output end of the push rod. The movable block, electric push rod, and support frame are engaged and installed inside the U-shaped groove. Sleeve rods are installed at the upper and lower ends of the support frame. Cleaning cloths are fitted on the outer sides of the sleeve rods. Fixed rods are installed at the ends of the sleeve rods near the electric push rod. A fixing plate is installed between the fixed rods, and the fixing plate is movably located inside the support frame. A second motor is installed at the upper rear end of the support frame. The output end of the second motor is connected to the fixing plate. A liquid storage tank is provided inside the sleeve rod at the lower end. Several drainage holes are provided through the liquid storage tank.
[0007] Preferably, the cleaning cloth is in contact with the surface of the lampshade.
[0008] Preferably, a liquid injection pipe is installed through the end of the liquid storage tank away from the second motor, and a sealing cap is installed at the end of the liquid injection pipe away from the liquid storage tank by means of a thread.
[0009] Preferably, the inner wall of the liquid storage tank is provided with a plurality of sealing grooves at equal intervals, and a plurality of drain holes are provided through the interior of each sealing groove. A sealing plate is fitted into the interior of each sealing groove, and a turntable is movably installed inside the liquid storage tank and near the end of the second motor. The turntable is connected to the sealing plate.
[0010] Preferably, a groove is provided inside the lower end of the sleeve rod and near the second motor. A rotating rod is movably installed inside the groove. One end of the rotating rod inside the liquid storage tank is connected to the turntable. A torsion spring is sleeved on the outside of the rotating rod inside the groove. The torsion spring is connected to the rotating rod and the groove.
[0011] Preferably, the end of the rotating rod away from the turntable is provided with an arc-shaped groove centered on the output end of the second motor. A third motor is installed at the lower end of the support frame, and a transmission rod is installed at the output end of the third motor. An arc-shaped locking block is installed at the end of the transmission rod near the rotating rod, and the arc-shaped locking block is engaged and installed inside the arc-shaped groove.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] (1) In this utility model, the first motor and the electric push rod work together to precisely control the support frame to drive the cleaning cloth to move back and forth on the lampshade surface, and at the same time achieve close contact between the cleaning cloth and the lampshade surface, which can actively remove dust and stains from the lampshade surface, prevent the photocatalyst coating from being covered, thereby ensuring that the photocatalyst and light are fully in contact, and maintaining its antibacterial and air-purifying effects.
[0014] (2) In this utility model, two cleaning cloths are used. One is kept dry, while the other, through the cooperation of a third motor and a turntable, allows the liquid in the storage tank to wet the cleaning cloth through the drain hole. During the cleaning process, the surface of the lampshade is first wiped with a damp cleaning cloth to dissolve and remove stains. Then, a second wiping is performed with a dry cleaning cloth to absorb residual moisture and small impurities, further improving the cleaning effect and ensuring that the photocatalytic coating is always in the best working condition. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of a self-cleaning photocatalytic antibacterial ceiling light according to the present invention;
[0016] Figure 2 This is a front view structural diagram of a self-cleaning photocatalytic antibacterial ceiling light according to the present invention;
[0017] Figure 3 This is a side view of the structure of a self-cleaning photocatalytic antibacterial ceiling light according to the present invention;
[0018] Figure 4 This utility model relates to a self-cleaning photocatalytic antibacterial ceiling light. Figure 2 Schematic diagram of the cross-sectional structure at point AA;
[0019] Figure 5 This utility model relates to a self-cleaning photocatalytic antibacterial ceiling light. Figure 3 Schematic diagram of the cross-sectional structure at point BB;
[0020] Figure 6 This utility model relates to a self-cleaning photocatalytic antibacterial ceiling light. Figure 4 Enlarged structural diagram at point C;
[0021] Figure 7 This utility model relates to a self-cleaning photocatalytic antibacterial ceiling light. Figure 4 Enlarged structural diagram at point D;
[0022] Figure 8 This utility model relates to a self-cleaning photocatalytic antibacterial ceiling light. Figure 5 Enlarged structural diagram at point E in the middle.
[0023] In the diagram: 1. Chassis; 2. Lampshade; 3. Cleaning mechanism; 301. U-shaped groove; 302. Movable block; 303. First motor; 304. Electric push rod; 305. Support frame; 306. Second motor; 307. Fixing plate; 308. Fixing rod; 309. Sleeve rod; 310. Cleaning cloth; 311. Liquid storage tank; 312. Turntable; 313. Rotating rod; 314. Groove; 315. Torsion spring; 316. Arc-shaped slide; 317. Arc-shaped locking block; 318. Transmission rod; 319. Third motor; 320. Sealing groove; 321. Sealing plate; 322. Drain hole; 323. Injection pipe; 4. Lamp bead. Detailed Implementation
[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0025] like Figures 1 to 8 As shown in the figure, this utility model embodiment proposes a self-cleaning photocatalytic antibacterial ceiling light, including a chassis 1, a lampshade 2 installed at the lower end of the chassis 1, a plurality of lamp beads 4 installed between the chassis 1 and the lampshade 2, a cleaning mechanism 3 installed at the lower end of the chassis 1, and the cleaning mechanism 3 is in contact with the surface of the lampshade 2. The cleaning mechanism 3 includes a U-shaped groove 301, which is located on the lower surface of the chassis 1. A movable block 302 is movably installed at the rear end of the U-shaped groove 301. A first motor 303 is installed inside the chassis 1 and at one end near the movable block 302. The output end of the first motor 303 is movably installed inside the U-shaped groove 301 and connected to the movable block 302. An electric push rod 304 is installed at the lower end of the movable block 302. The output of the electric push rod 304 is... A support frame 305 is installed at one end. The movable block 302 and the electric push rod 304 are engaged with the support frame 305 inside the U-shaped groove 301. The upper and lower ends of the support frame 305 are respectively installed with sleeve rods 309. Cleaning cloths 310 are respectively fitted on the outer side of the sleeve rods 309. Fixed rods 308 are respectively installed at the end of the sleeve rods 309 near the electric push rod 304. Fixed plates 307 are installed between the fixed rods 308, and the fixed plates 307 are movably located inside the support frame 305. A second motor 306 is installed at the upper rear end of the support frame 305. The output end of the second motor 306 is connected to the fixed plate 307. The sleeve rods 309 at the lower end are provided with a liquid storage tank 311. Several drain holes 322 are provided through the liquid storage tank 311.
[0026] like Figures 4 to 8As shown, in another embodiment of this utility model, the cleaning cloth 310 is attached to the surface of the lampshade 2. A liquid injection pipe 323 is installed through the end of the liquid storage tank 311 away from the second motor 306. A sealing cap is threaded onto the end of the liquid injection pipe 323 away from the liquid storage tank 311. A plurality of sealing grooves 320 are equidistantly arranged on the inner wall of the liquid storage tank 311. A plurality of drain holes 322 are respectively provided inside the sealing grooves 320. Sealing plates 321 are respectively fitted inside the sealing grooves 320. A turntable 312 is movably installed inside the liquid storage tank 311 and near the end of the second motor 306. The turntable 312 is connected to the sealing plates 321. A sleeve rod 309 located at the lower end and near the end of the second motor 306 is provided with... A rotating rod 313 is installed through the groove 314. One end of the rotating rod 313, located inside the liquid storage tank 311, is connected to the turntable 312. A torsion spring 315 is sleeved on the outside of the rotating rod 313 inside the groove 314. The torsion spring 315 is connected to the rotating rod 313 and the groove 314. An arc-shaped groove 316 is provided at the end of the rotating rod 313 away from the turntable 312 with the output end of the second motor 306 as the center. A third motor 319 is installed at the lower end of the support frame 305. A transmission rod 318 is installed at the output end of the third motor 319. An arc-shaped locking block 317 is installed at the end of the transmission rod 318 near the rotating rod 313. The arc-shaped locking block 317 is engaged inside the arc-shaped groove 316.
[0027] After the first motor 303 starts, its output end drives the movable block 302 in the U-shaped groove 301 to reciprocate, so that the movable block 302 is connected to the support frame 305 through the electric push rod 304. At the same time, the electric push rod 304 extends and retracts to adjust the height of the support frame 305, so that the cleaning cloth 310 is in close contact with the surface of the lampshade 2, thereby driving the support frame 305 and the cleaning cloth 310 to perform reciprocating wiping motion on the surface of the lampshade 2. Then, a liquid storage tank 311 is provided inside the lower sleeve rod 309. 1. Cleaning fluid or water can be injected through the injection pipe 323. After the third motor 319 is started, its output end drives the arc-shaped locking block 317 through the transmission rod 318. The arc-shaped locking block 317, in conjunction with the arc-shaped sliding groove 316, drives the rotating rod 313 to rotate. Then, the rotating rod 313 drives the turntable 312 in the liquid storage tank 311 to rotate. At the same time, the rotating rod 313, in conjunction with the groove 314, twists the torsion spring 315. Since the turntable 312 is connected to the sealing plate 321, the sealing plate 321... The first motor slides inside the sealing groove 320, allowing the sealing plate 321 to open the drain hole 322. Liquid in the storage tank 311 then wets the outer cleaning cloth 310 through the drain hole 322, keeping it moist. After the cleaning cloth 310 is wetted, the third motor 319 controls the rotating rod 313 and the turntable 312 to reset via the arc-shaped locking block 317 and the arc-shaped sliding groove 316. The upper cleaning cloth 310 then remains dry, thus ensuring proper cleaning. The second motor 306 rotates the fixing plate 307, moving the damp cleaning cloth 310 to the side closer to the lampshade 2. The damp cleaning cloth 310 first wipes the lampshade 2 to dissolve stains. After the damp cleaning cloth 310 has finished wiping the lampshade 2, the second motor 306 rotates the fixing plate 307 again to move the dry cleaning cloth 310 to the side of the lampshade 2 for testing. The dry cleaning cloth 310 then wipes the lampshade 2 a second time to absorb residual moisture and small impurities, completing the cleaning work.
[0028] The injection tube 323 is used to replenish the cleaning solution, and the sealing cap prevents liquid leakage or evaporation;
[0029] The arc-shaped slide 316 and the arc-shaped locking block 317 can engage and disengage when the second motor 306 controls the fixed plate 307 to rotate, without hindering the second motor 306 from driving the whole to revolve. At the same time, it is also convenient for the third motor 319 to control the rotating rod 313 and the turntable 312 to rotate through the arc-shaped locking block 317 and the arc-shaped slide 316.
[0030] The torsion spring 315 is used to push the rotating rod 313 and the turntable 312 to remain stable when the second motor 306 controls the fixed plate 307 to rotate, so that it can stably drive the sealing plate 321 to block the injection pipe 323 and prevent the liquid from leaking out when it is not necessary to wet it.
[0031] The working principle of this self-cleaning photocatalytic antibacterial ceiling light:
[0032] In use, the first motor 303 starts, and its output drives the movable block 302 in the U-shaped groove 301 to move back and forth. The movable block 302 is connected to the support frame 305 through the electric push rod 304. At the same time, the electric push rod 304 extends and retracts to adjust the height of the support frame 305, so that the cleaning cloth 310 is in close contact with the surface of the lampshade 2. This causes the support frame 305 and the cleaning cloth 310 to perform a reciprocating wiping motion on the surface of the lampshade 2. Then, a liquid storage tank 311 is provided inside the lower sleeve rod 309 to store liquid. The liquid tank 311 can be injected with cleaning fluid or water through the injection pipe 323. After the third motor 319 is started, its output end drives the arc-shaped locking block 317 through the transmission rod 318. The arc-shaped locking block 317, in conjunction with the arc-shaped sliding groove 316, drives the rotating rod 313 to rotate. Then, the rotating rod 313 drives the turntable 312 in the liquid storage tank 311 to rotate. At the same time, the rotating rod 313, in conjunction with the groove 314, twists the torsion spring 315. Since the turntable 312 is connected to the sealing plate 321, the seal is achieved. Plate 321 slides inside the sealing groove 320, opening the drain hole 322. Liquid in the storage tank 311 then wets the outer cleaning cloth 310 through the drain hole 322, keeping it moist. After the cleaning cloth 310 is wetted, the third motor 319, via the arc-shaped locking block 317 and the arc-shaped sliding groove 316, controls the rotating rod 313 and the turntable 312 to reset, keeping the upper cleaning cloth 310 dry. This ensures proper cleaning. The second motor 306 rotates the fixing plate 307, moving the damp cleaning cloth 310 to the side closer to the lampshade 2. The damp cleaning cloth 310 first wipes the lampshade 2 to dissolve stains. After the damp cleaning cloth 310 has finished wiping the lampshade 2, the second motor 306 rotates the fixing plate 307 again to move the dry cleaning cloth 310 to the side of the lampshade 2 for a second wipe, absorbing residual moisture and small impurities, thus completing the cleaning work.
[0033] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.
Claims
1. A self-cleaning photocatalytic antibacterial ceiling light, comprising a chassis (1), characterized in that: A lampshade (2) is installed at the lower end of the chassis (1), and several lamp beads (4) are installed between the chassis (1) and the lampshade (2). A cleaning mechanism (3) is installed at the lower end of the chassis (1), and the cleaning mechanism (3) is in contact with the surface of the lampshade (2). The cleaning mechanism (3) includes a U-shaped groove (301), which is located on the lower surface of the chassis (1). A movable block (302) is movably installed at the rear end of the U-shaped groove (301). A first motor (303) is installed inside the chassis (1) and near the movable block (302). The output end of the first motor (303) is movably installed inside the U-shaped groove (301) and connected to the movable block (302). An electric push rod (304) is installed at the lower end of the movable block (302). A support frame (305) is installed at the output end of the electric push rod (304). The moving block (302), the electric push rod (304), and the support frame (305) are engaged and installed inside the U-shaped groove (301). The upper and lower ends of the support frame (305) are respectively equipped with sleeve rods (309). Cleaning cloths (310) are respectively fitted on the outer side of the sleeve rods (309). Fixed rods (308) are respectively installed at the end of the sleeve rods (309) near the electric push rod (304). Fixed plates (307) are installed between the fixed rods (308), and the fixed plates (307) are movably located inside the support frame (305). A second motor (306) is installed at the upper rear end of the support frame (305). The output end of the second motor (306) is connected to the fixed plate (307). The sleeve rods (309) at the lower end are provided with a liquid storage tank (311). Several drain holes (322) are provided through the liquid storage tank (311).
2. The self-cleaning photocatalytic antibacterial ceiling light according to claim 1, characterized in that: The cleaning cloth (310) is attached to the surface of the lampshade (2).
3. The self-cleaning photocatalytic antibacterial ceiling light according to claim 1, characterized in that: The liquid storage tank (311) is connected to an injection pipe (323) at the end away from the second motor (306), and a sealing cap is installed at the end of the injection pipe (323) away from the liquid storage tank (311) by means of threads.
4. A self-cleaning photocatalytic antibacterial ceiling light according to claim 1, characterized in that: The inner wall of the liquid storage tank (311) is provided with a plurality of sealing grooves (320) at equal intervals. A plurality of drain holes (322) are provided through the interior of the sealing grooves (320). Sealing plates (321) are fitted and installed inside the sealing grooves (320). A turntable (312) is movably installed inside the liquid storage tank (311) and at one end near the second motor (306). The turntable (312) is connected to the sealing plates (321).
5. A self-cleaning photocatalytic antibacterial ceiling light according to claim 4, characterized in that: A groove (314) is provided inside the sleeve rod (309) at the lower end and near the second motor (306). A rotating rod (313) is movably installed inside the groove (314). One end of the rotating rod (313) inside the liquid storage tank (311) is connected to the turntable (312). A torsion spring (315) is sleeved on the outside of the rod body inside the groove (314). The torsion spring (315) is connected to the rotating rod (313) and the groove (314).
6. A self-cleaning photocatalytic antibacterial ceiling light according to claim 5, characterized in that: The end of the rotating rod (313) away from the turntable (312) is provided with an arc-shaped groove (316) centered on the output end of the second motor (306). The lower end of the support frame (305) is equipped with a third motor (319). The output end of the third motor (319) is equipped with a transmission rod (318). The end of the transmission rod (318) near the rotating rod (313) is equipped with an arc-shaped locking block (317). The arc-shaped locking block (317) is engaged and installed inside the arc-shaped groove (316).