Ceiling lamp
By designing the structure of annular light grooves and central grooves in the ceiling light, the heat dissipation performance is improved and the cost is reduced, which solves the problems of high manufacturing cost and large structure of traditional ceiling lights and realizes a compact and efficient lamp design.
Patent Information
- Application Number
- PCT/CN2025/082002
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-18
- Filing Date
- 2025-03-12
- Publication Date
- 2025-09-25
AI Technical Summary
Traditional ceiling lights have high manufacturing costs and large structures, poor heat dissipation, and require additional heat dissipation fins and large-angle light baffles, resulting in increased costs and complex structures.
The lampshade is designed with a structure having an annular light groove and a central groove. The LED light source is installed in the annular light groove, the power box is installed on the second side of the lampshade, and the lens covers the LED light source. The design of the annular light groove and the central groove is used to improve the heat dissipation performance, and the lampshade is manufactured through spinning or stamping processes to reduce costs.
The ceiling lamp has better heat dissipation performance and compact structure, reduces production costs, meets heat dissipation and anti-glare requirements, does not require an additional radiator, and has a longer product life.
Smart Images

Figure CN2025082002_25092025_PF_FP_ABST
Abstract
Description
A ceiling light
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This application claims priority to Chinese patent application No. 2024205244571, filed on March 18, 2024, entitled “A Ceiling Lamp,” which is incorporated herein by reference in its entirety. Technical Field
[0003] The present application relates to the technical field of lamps, and in particular to a ceiling lamp. Background Art
[0004] Ceiling lights are widely used in high-ceiling environments such as factories, large supermarkets and warehouses. The current traditional method is directional lighting to achieve large-angle light output, and light is collected through plastic reflectors or aluminum reflectors. It is a floodlighting method, and the number of lights in the area is designed according to the hanging height and ground illumination requirements.
[0005] Traditional ceiling lights consist of a lampshade, an LED (light-emitting diode) light source, and a light source driver. The lampshade includes a base and a surrounding panel, which together form a light-emitting cavity. The LED light source is mounted on the base of the light-emitting cavity, and the light source driver is connected to the LED light source. Traditional ceiling light LEDs are centrally mounted in the center of the lampshade, resulting in poor heat dissipation and requiring cooling fins on the rear of the lampshade. Furthermore, to prevent light from emitting at wide angles, the surrounding panel must be enlarged to block the light. This results in high manufacturing costs and bulky structures for ceiling lights. Summary of the Invention
[0006] The purpose of this application is to provide a ceiling lamp to solve the problems of high manufacturing cost and large structure.
[0007] In order to achieve the above objectives, this application adopts the following technical solutions:
[0008] A ceiling lamp comprises a lampshade, an LED light source, a light source driver and a power supply box, wherein the lampshade has a first surface and a second surface, and the first surface of the lampshade is provided with an annular light groove recessed from the first surface toward the second surface; the LED light source is installed in the annular light groove; the power supply box is installed on the second surface of the lampshade; the light source driver is provided in the power supply box, and the light source driver extends out of the power supply box through a wire and is electrically connected to the LED light source.
[0009] The power supply box includes a driving box body, and mounting portions are provided on both sides of the driving box body. The mounting portions are fixedly connected to the second surface of the lampshade, and the light source is driven and installed in the driving box body.
[0010] Wherein, the power supply box further includes a drive box cover, and the drive box cover is connected to the drive box body for covering the drive box body.
[0011] In which, the lampshade is provided with a first wire hole, the drive box body is provided with a second wire hole, the mounting portion is a hollow structure, the second wire hole and the first wire hole are both connected to the hollow structure of the mounting portion, and the wire passes through the first wire hole, the mounting portion, and the second wire hole in sequence to connect the power drive and the LED light source.
[0012] Wherein, the lampshade is made by a spinning or stamping process.
[0013] The ceiling light further includes a hook, which is connected to the power box.
[0014] The ceiling light further includes a lens, and the lens covers the LED light source.
[0015] The second surface of the lampshade is provided with a central groove which is recessed from the second surface toward the first surface, and the annular light groove surrounds the central groove.
[0016] Wherein, the bottom surface of the central groove is provided with a central through hole penetrating from the first surface to the second surface.
[0017] Wherein, the power box is at least partially sunk and installed in the central groove.
[0018] Compared with the existing technology, this application has the following advantages:
[0019] The ceiling lamp of the present application solves the problems of high manufacturing cost and large structure in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] FIG1 is a perspective view of an embodiment of a ceiling light of the present application.
[0021] FIG2 is an exploded view of an embodiment of a ceiling light of the present application.
[0022] FIG3 is a front view of an embodiment of a ceiling light of the present application.
[0023] FIG4 is a cross-sectional view along the AA direction in FIG3 of the present application.
[0024] FIG5 is an enlarged view of portion I in FIG4 of the present application.
[0025] FIG6 is a perspective view of another embodiment of a ceiling light of the present application.
[0026] In the figure, 100: lampshade; 101: central through hole; 110: first surface; 120: second surface; 130: annular light groove; 140: first wire hole; 150: central groove; 200: LED (light-emitting diode) light source; 300: lens; 400: light source driver; 500: power supply box; 510: driver box body; 511: mounting portion; 512: second wire hole; 520: driver box cover; 600: wire; 700: hook. DETAILED DESCRIPTION
[0027] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0028] As shown in Figures 1 to 5, a preferred embodiment of a ceiling light of the present application is illustrated. This embodiment of the ceiling light includes a lampshade 100, an LED (light-emitting diode) light source 200, a lens 300, a light source driver 400, and a power supply box 500. The lampshade 100 has a first surface 110 and a second surface 120. The first surface 110 of the lampshade 100 defines an annular light groove 130 that is recessed from the first surface 110 toward the second surface 120. The LED light source 200 is mounted within the annular light groove 130 of the lampshade 100, and light emitted by the LED light source 200 is emitted from the opening of the annular light groove 130. The power supply box 500 is mounted on the second surface of the lampshade 100, that is, on the side of the lampshade 100 facing away from the annular light groove 130. The light source driver 400 is disposed within the power supply box 500 and electrically connects to the LED light source 200 via a wire 600 extending from the power supply box 500.
[0029] The first side of the lampshade of the ceiling lamp of the present application is provided with an annular light groove, which is surrounded by an inner wall and an outer wall. Compared with the lampshade of the prior art that only has a surrounding plate, the lampshade of the same diameter has a larger surface area. When the LED light source is installed on the bottom surface of the annular light groove, the heat dissipation performance is improved. The second side of the lampshade does not need to be provided with heat dissipation fins to achieve a good heat dissipation effect, thereby reducing production costs. At the same time, since the width of the annular light groove is relatively narrow, the inner and outer walls of the annular light groove serve as baffles to block the light emitted by the LED light source. Using an annular light groove side wall of a smaller height can block the large-angle light emitted by the LED light source, without increasing the height of the lampshade, and the height of the lampshade is relatively small. The ceiling lamp of the present application solves the problems of high manufacturing cost and large structure of existing ceiling lamps.
[0030] Furthermore, the power supply box 500 includes a driver box body 510. The driver box body 510 is a box body with an open side. The box body can be shaped like a cuboid, a cylinder, or the like. In this embodiment, the box body is shaped like a cylinder. Mounting portions 511 are provided on both sides of the driver box body 510. The mounting portions 511 are fixedly connected to the second surface 120 of the lampshade 100. The light source driver 400 is installed in the driver box body 510. Specifically, the mounting portions 511 are fixedly connected to the second surface 120 of the lampshade 100 via screws.
[0031] The power box 500 further includes a drive box cover 520, which is connected to the drive box body 510 and is used to cover the opening of the drive box body 510. The drive box cover 520 is used to cover the drive box body 510 to provide dust and water resistance.
[0032] The lampshade 100 has a first wire hole 140, the driver box 510 has a second wire hole 512, and the mounting portion 511 is a hollow structure. The second wire hole 512 and the first wire hole 140 are both connected to the hollow structure of the mounting portion 511. The wire 600 passes through the first wire hole 140, the mounting portion 511, and the second wire hole 512 in sequence to connect the power driver 400 and the LED light source 200. This achieves a sealing effect between the power box 500 and the annular light groove 130, achieving an IP43 or even IP65 waterproof rating.
[0033] The lampshade 100 is made by a spinning or stamping process. It can be made of thinner aluminum sheet metal or iron sheet metal material, and the lampshade structure can be made smaller. At the same time, without using additional heat dissipation measures that greatly increase the cost, such as additional aluminum extruded profile radiators, aluminum sheet metal combined fin radiators, power supply glue potting, etc., the heat dissipation and reliability requirements of the product can be met, and the product life is longer. Preferably, the cross-section of the annular light groove 130 is U-shaped, which fully blocks light from large angles and enhances the optical anti-glare function. Even if a shorter reflector is used due to cost reasons, the light-shielding and anti-glare requirements can still be met.
[0034] The ceiling lamp further includes a hook 700 connected to the power box 500. In this embodiment, a screw hole is provided at the end of the hook 700, and the end of the hook 700 and the mounting portion 511 of the driving box body 510 are fixed to the second surface 120 of the lampshade 100 by screws.
[0035] Lens 300 covers LED light source 200. An annular structure, lens 300 is installed in annular light groove 130, covering LED light source 200 and located along the light path. It is used to distribute the light emitted by the LED light source. The purpose of this distribution is to fully block light from large angles and enhance the optical anti-glare function. Even if a shorter reflector is used for cost reasons, the anti-glare requirements can still be met.
[0036] The second surface 120 of the lampshade 100 is provided with a central groove 150 that is recessed from the second surface 120 toward the first surface 110. The annular light groove 130 surrounds the outer side of the central groove 150. Under the condition of the lampshade 100 of the same size, the surface area of the lampshade is increased, thereby improving the heat dissipation performance.
[0037] The bottom surface of the central groove 150 is provided with a central through-hole 101 that penetrates from the first surface 110 to the second surface 120. Both the interior and exterior sides of the lampshade 100 are in direct contact with the flowing air, enhancing natural convection cooling efficiency and eliminating the need for an additional heat sink. Simultaneously, the power supply box 500 is mounted astride the notch of the central groove 150. Air flowing through the central through-hole 101 is blown forward against the power supply box 500, dissipating heat and improving the ceiling light's heat dissipation performance.
[0038] As shown in FIG6 , this embodiment is substantially the same as the above embodiment, except that in this embodiment, the power supply box 500 is at least partially sunken into the center groove 150. The power supply box 500 is partially or completely sunken into the center groove 150 of the U-shaped annular cross-section lampshade 100 to substantially reduce the height of the ceiling light, save installation space, and reduce packaging costs.
[0039] It should be noted that the embodiments of the present application have better practicability and do not impose any form of limitation on the present application. Any technician familiar with the field may use the technical content disclosed above to change or modify it into an equivalent effective embodiment. However, any modifications or equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.
Claims
1. A ceiling lamp, comprising a lampshade, an LED light source, a light source driver and a power box, wherein the lampshade has a first surface and a second surface, and the first surface of the lampshade is provided with an annular light groove recessed from the first surface toward the second surface; the LED light source is installed in the annular light groove; the power box is installed on the second surface of the lampshade; the light source driver is provided in the power box, and the light source driver extends out of the power box through a wire and is electrically connected to the LED light source.
2. The ceiling light according to claim 1, wherein The power supply box includes a driving box body, and mounting parts are provided on both sides of the driving box body. The mounting parts are fixedly connected to the second surface of the lampshade, and the light source is driven and installed in the driving box body.
3. The ceiling light according to claim 2, wherein: The power supply box further comprises a drive box cover, which is connected to the drive box body and is used to cover the drive box body.
4. The ceiling light according to claim 2, wherein: The lampshade is provided with a first wire hole, the drive box body is provided with a second wire hole, the mounting portion is a hollow structure, the second wire hole and the first wire hole are both connected to the hollow structure of the mounting portion, and the wire passes through the first wire hole, the mounting portion, and the second wire hole in sequence to connect the power drive and the LED light source.
5. The ceiling light according to claim 1, wherein: The lampshade is made by adopting a spinning or stamping process. The ceiling light according to claim 2 , further comprising a hook connected to the power box. The ceiling light according to claim 1 , further comprising a lens, wherein the lens covers the LED light source.
8. The ceiling light according to any one of claims 1 to 7, wherein: The second surface of the lampshade is provided with a central groove that is recessed from the second surface toward the first surface, and the annular light groove surrounds the central groove.
9. The ceiling light according to claim 8, wherein: A central through hole is formed on the bottom surface of the central groove and penetrates from the first surface to the second surface.
10. The ceiling light according to claim 8, wherein The power box is at least partially sunk into the central groove.
Citation Information
Patent Citations
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