SD lamp with adjustable light emitting angle
By introducing a lens structure and lampshade design into SD lamps, the problem of the inability to adjust the light output angle is solved, enabling flexible adjustment of the light output angle to meet the usage needs of different scenarios.
Patent Information
- Application Number
- CN202520845288.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-04-30
AI Technical Summary
The existing SD lamp shades lack optical design, resulting in a fixed light output angle of 120 degrees, which cannot be adjusted according to needs.
By employing a lens structure and lampshade design, the light emission angle can be adjusted by modifying the relative position and material properties between the lens and the light source board.
It enables flexible adjustment of the light emission angle to adapt to the needs of different scenarios, and has a simple structure and good performance.
Smart Images

Figure CN223740608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LED lighting appliance technical field, concretely relates to a light emitting angle adjustable SD lamp. BACKGROUND
[0002] Prior art patent "high light efficiency SD line light source", application number for CN201921724972.X, disclosed including aluminum profile, it has the front and back, the front is provided with light guide film;Light source board, the light source board is detachably mounted on the front of the aluminum profile, a plurality of LED is provided on the light source board, a plurality of LED is arranged on the light source board in array form;Lampshade, both sides of the lampshade are detachably mounted on the edge of the front of the aluminum profile, the lampshade has the arc light transmission surface of outward convex setting, the lampshade is made of light transmission material;Power supply, the power supply is installed on the back of the aluminum profile.
[0003] The SD lamp uses CREE and AOD super high brightness LED white light as the light source, and the shell is made of acrylic / aluminum alloy. SUMMARY
[0004] The utility model mainly solves the deficiency of prior art, provides a light emitting angle adjustable SD lamp, it has the characteristics such as simple structure and good use effect.Solve the problem that light emitting angle can not be adjusted according to demand.Adopt the lens structure, realize the adjustment of light emitting angle, and meet the use requirement of different scene environment.
[0005] The above technical problems of the utility model are mainly solved by the following technical schemes:
[0006] A light emitting angle adjustable SD lamp, including the lamp tube spare, the lamp tube spare is equipped with the power supply that is electric circuit intercommunication with the lamp tube spare, the lamp tube spare includes the lampshade, the lampshade is equipped with the light source board that is electric circuit intercommunication with the power supply between the power supply, the light source board is equipped with the lens that is inserted and embedded connection with the lampshade between the lampshade, the light source board includes LED illumination light source, circuit board, LED driver and input line structure of connecting power supply, and the circuit board adopts the material as aluminum substrate or glass fiber plate, the both ends of the lens are equipped with the inserted and embedded edge that assembles with the lampshade, the end surface between the lens and the light source board is equipped with the light collection incidence groove, and the end surface between the lens and the lampshade is equipped with the diffusion exit circular arc surface.
[0007] The lampshade inside contains the guide rail groove for installing the lens.SD lamp has two layers of medium and can change light emitting angle, one, the lens passes through high light transmission material, and light emitting angle is changed with specific shape.Two, the lampshade can slightly adjust light emitting angle with the process such as transparency, haze, frosted, cloth grain.
[0008] Preferably, the diffusion-emitting arc surface and the light-collecting incident groove are thin, and the arc angle of the diffusion-emitting arc surface is an acute angle, resulting in a large light-emitting angle for the lens. Alternatively, the thickness of the diffusion-emitting arc surface and the light-collecting incident groove increases, and the arc angle of the diffusion-emitting arc surface becomes an obtuse angle, resulting in a small light-emitting angle for the lens. Finally, the thickness of the diffusion-emitting arc surface and the light-collecting incident groove is between the large-angle and small-angle light-emitting thicknesses, and the arc angle of the diffusion-emitting arc surface is a right angle, resulting in a conventional light-emitting angle of 120° for the lens. The light-emitting angle range of the lens is 15° to 180°.
[0009] Preferably, a heat sink is provided between the power supply and the light source board, which is inserted and connected to the lampshade.
[0010] Preferably, the heat sink is provided with several fixing buckles that fasten the heat sink and the lampshade together.
[0011] Preferably, both ends of the power supply are provided with quick-release spring assembly for fixed connection with the lamp tube. The quick-release spring assembly includes a double torsion spring, one end of which is a pivot connection end, and a spring seat is provided between the pivot connection end and the lamp tube. The other end of the double torsion spring is a clamping end, and a sponge block is provided between the clamping end and the lamp tube.
[0012] Preferably, the power supply is provided with a power box that is screwed and fixed to the lamp tube.
[0013] Preferably, both ends of the lampshade are provided with end caps that are snap-fitted and fixed to the lampshade.
[0014] This invention can achieve the following effects:
[0015] This invention provides an adjustable light emission angle SD lamp, which, compared with existing technologies, features a simple structure and good performance. It solves the problem of the inability to adjust the light emission angle according to needs. Employing a lens structure, it achieves adjustable light emission angle to meet the usage requirements of different scenarios and environments. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Figure 2 This is an exploded view of the structure of this utility model.
[0018] Figure 3 This is a structural cross-sectional view of the present invention.
[0019] Figure 4 This is a schematic diagram of the structure of the large-angle lens in this utility model.
[0020] Figure 5 This is a schematic diagram of the structure of a conventional lens in this utility model.
[0021] Figure 6 This is a schematic diagram of the small-angle lens in this utility model.
[0022] In the diagram: 1. Power supply; 2. Quick spring mounting / removing component; 3. Lamp tube component; 4. Sponge block; 5. Double torsion spring; 6. Spring seat; 7. Power supply box; 8. Fixing buckle; 9. Heat sink; 10. Light source board; 11. End cap; 12. Lens; 13. Lampshade; 14. Insert edge; 15. Diffusion and emission arc surface; 16. Light collection and emission slot. Detailed Implementation
[0023] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0024] Example: Figures 1-6 As shown, an adjustable light-emitting angle SD lamp includes a lamp tube 3, a power supply 1 connected to the lamp tube 3 in a circuit, and a power supply box 7 fixed to the lamp tube 3 by screws around the power supply 1. Both ends of the power supply 1 are equipped with quick-release spring assembly 2 fixedly connected to the lamp tube 3. The quick-release spring assembly 2 includes a double torsion spring 5, one end of which is a pivot connection end, and a spring seat 6 is provided between the pivot connection end and the lamp tube 3. The other end of the double torsion spring 5 is a clamping end, and a sponge block 4 is provided between the clamping end and the lamp tube 3. The lamp tube 3 includes a lampshade 13, and both ends of the lampshade 13 are equipped with end caps 11 that are snap-fitted and fixed to the lampshade 13. A light source board 10 connected to the power supply 1 in a circuit is provided between the lampshade 13 and the power supply 1. The light source board 10 includes an LED lighting source, a circuit board, an LED driver, and an input line structure for connecting to the power supply. A lens 12 is provided between the light source board 10 and the lampshade 13 and is inserted into the lampshade 13. A heat sink 9 is provided between the power supply 1 and the light source board 10 and is inserted into the lamp cover 13. The heat sink 9 is provided with one or more fixing buckles 8 that fasten the heat sink 9 and the lamp cover 13.
[0025] Lens 12 has insert edges 14 at both ends for mounting with lampshade 13. The end face between lens 12 and light source board 10 has a light-collecting entrance groove 16, and the end face between lens 12 and lampshade 13 has a diffuser arc surface 15. When the diffuser arc surface 15 and light-collecting entrance groove 16 are thin, and the arc angle of the diffuser arc surface 15 is acute, the light emission angle of lens 12 is large. When the thickness of the diffuser arc surface 15 and light-collecting entrance groove 16 increases, and the arc angle of the diffuser arc surface 15 is obtuse, the light emission angle of lens 12 is small. When the thickness of the diffuser arc surface 15 and light-collecting entrance groove 16 is between the large-angle and small-angle light emission thicknesses, and the arc angle of the diffuser arc surface 15 is right, the light emission angle of lens 12 is a conventional 120°. The light emission angle range of lens 12 is 15° to 180°.
[0026] In summary, this adjustable beam angle SD luminaire features a simple structure and excellent performance. It solves the problem of the inability to adjust the beam angle according to needs. Utilizing a lens structure, it achieves beam angle adjustment to meet the requirements of different usage scenarios.
[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the essential characteristics of the invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0028] In summary, the above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.
Claims
1. A light output angle adjustable SD luminaire, characterized by: The lamp tube piece (3) is provided with a power supply (1) in circuit communication with the lamp tube piece (3), the lamp tube piece (3) comprises a lampshade (13), the lampshade (13) is provided with a light source plate (10) in circuit communication with the power supply (1) between the lampshade (13) and the power supply (1), the light source plate (10) and the lampshade (13) are provided with a lens (12) in plug-in connection with the lampshade (13) between the light source plate (10) and the lampshade (13); the light source plate (10) comprises an LED lighting source, a circuit board, an LED driver and an input line structure connected with the power supply; the lens (12) is provided with plug-in edges (14) for assembling with the lampshade (13) at both ends of the lens (12), the end surface between the lens (12) and the light source plate (10) is provided with a light ray collection and incidence groove (16), and the end surface between the lens (12) and the lampshade (13) is provided with a diffusion exit circular arc surface (15).
2. The adjustable SD light fixture of claim 1, wherein: The diffusion exit circular arc surface (15) and the light ray collection and incidence groove (16) are thin in thickness, the circular arc angle of the diffusion exit circular arc surface (15) is an acute angle, and the light exit angle of the lens (12) is a large angle at this time; the diffusion exit circular arc surface (15) and the light ray collection and incidence groove (16) are increased in thickness, the circular arc angle of the diffusion exit circular arc surface (15) is an obtuse angle, and the light exit angle of the lens (12) is a small angle at this time; the diffusion exit circular arc surface (15) and the light ray collection and incidence groove (16) are in thickness between the large-angle light exit thickness and the small-angle light exit thickness, the circular arc angle of the diffusion exit circular arc surface (15) is a right angle, and the light exit angle of the lens (12) is a conventional 120° at this time; the light exit angle range of the lens (12) is 15°-180°.
3. The adjustable SD light fixture of claim 1, wherein: The power supply (1) and the light source plate (10) are provided with a heat sink (9) in plug-in connection with the lampshade (13).
4. The adjustable SD light fixture of claim 3, wherein: The heat sink (9) is provided with a plurality of fixed buckles (8) for clamping and embedding the heat sink (9) and the lampshade (13) and fastening.
5. The adjustable SD light fixture of claim 1, wherein: The power supply (1) is provided with quick spring dismounting pieces (2) in fixed connection with the lamp tube piece (3) at both ends of the power supply (1), the quick spring dismounting piece (2) comprises a double torsion spring (5), one end of the double torsion spring (5) is a pivot connection end, the pivot connection end is provided with a spring seat (6) between the pivot connection end and the lamp tube piece (3), one end of the double torsion spring (5) is a clamping end, and the clamping end is provided with a sponge block (4) between the clamping end and the lamp tube piece (3).
6. The adjustable angle-of-emergence SD luminaire of claim 1, wherein: The power supply (1) is provided with a power supply box (7) in screw connection and fixed connection with the lamp tube piece (3) around the power supply (1).
7. The adjustable angle-of-emergence SD luminaire of claim 1, wherein: The lampshade (13) is provided with end covers (11) in clamping type plug-in and fixed connection with the lampshade (13) at both ends of the lampshade (13).
Citation Information
Patent Citations
SD line light source with high luminous efficiency
CN210462692U