A silicon controlled rectifier (SCR) dimming LED downlight

Abstract

This utility model relates to the field of LED downlight technology and discloses a silicon controlled rectifier (SCR) dimming LED downlight, including a dimming LED downlight body. A slot is provided in the middle of the dimming LED downlight body, and clamping side plates are symmetrically arranged on both sides of the dimming LED downlight body. An arc-shaped top plate is fixedly connected to the bottom end of the clamping side plates. This utility model, by providing a slot on the outer side of the bottom end of the dimming LED downlight body and clamping side plates on the sides of the dimming LED downlight body, facilitates the limiting and fixing of the dimming LED downlight body, eliminating the need for bolts for installation and fixing. Furthermore, a cross-shaped groove is provided on the side of the clamping side plate, and a cross-shaped locking block is provided inside the cross-shaped groove. The cross-shaped locking block and a rotating block are fixedly connected by a connecting rod. The rotating block is located inside the mounting side plate, thereby allowing easy rotation of the dimming LED downlight body to change the illumination angle of the dimming LED downlight body, improving its applicability.

Description

Technical Field

[0001] This utility model relates to the field of LED downlight technology, and in particular to a silicon controlled rectifier (SCR) dimming LED downlight. Background Technology

[0002] SCR-controlled dimmable LED downlights are energy-saving lighting products that combine traditional SCR dimming technology with LED light sources. Their core functionality involves using a SCR dimmer to change the phase angle of the AC power supply, adjusting the input voltage to achieve smooth brightness control. Compatible with most traditional dimmer switches, they require no rewiring and are suitable for renovations in older homes. These downlights offer a wide dimming range, flicker-free and noise-free dimming, and stable light color. Compared to traditional incandescent bulbs, LEDs offer lower power consumption, longer lifespan, and reduced replacement frequency. They are widely used in living rooms, bedrooms, hotel rooms, and other scenarios requiring flexible ambiance adjustment, balancing traditional dimming habits with modern energy-saving needs, making them a practical and economical lighting choice.

[0003] Thyristor-controlled dimmable LED downlights have been widely used in various lighting scenarios due to their compatibility with traditional dimming systems and energy efficiency. However, their existing structure has obvious limitations. The installation process relies on bolt fixing and requires special tools to complete the assembly, which not only increases the complexity of construction and prolongs the installation time, but also makes disassembly and replacement during later maintenance inconvenient. In particular, it poses an operational threshold for non-professional installers. At the same time, most products adopt a fixed angle design, and the illumination direction cannot be flexibly adjusted according to usage needs, making it difficult to adapt to the lighting layout of different spaces. In scenarios that require focused lighting or dynamic light adjustment, it is easy to cause uneven light distribution, which limits its applicability in diverse lighting needs.

[0004] Therefore, it is necessary to invent a silicon controlled rectifier (SCR) dimming LED downlight to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a SCR-controlled dimming LED downlight to address the limitations of existing SCR-controlled dimming LED downlights. While these downlights, due to their compatibility with traditional dimming systems and energy efficiency, have been widely used in various lighting scenarios, their current structure has significant limitations. Installation relies on bolts and requires specialized tools, increasing construction complexity, extending installation time, and causing inconvenience for later maintenance and replacement. This presents a significant operational barrier for non-professional installers. Furthermore, most products use a fixed-angle design, making it difficult to flexibly adjust the illumination direction according to usage needs, thus hindering adaptation to different lighting layouts. In scenarios requiring focused lighting or dynamic light adjustment, uneven light distribution can easily occur, limiting their applicability in diverse lighting scenarios.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a silicon controlled resonant dimming LED downlight, comprising a dimming LED downlight body, wherein a slot is provided in the middle of the dimming LED downlight body, and clamping side plates are symmetrically arranged on both sides of the dimming LED downlight body.

[0007] An arc-shaped top plate is fixedly connected to the bottom end of the clamping side plate, and the arc-shaped top plate is correspondingly set with the slot.

[0008] The clamping side plate has a cross-shaped groove on its side, a cross-shaped locking block is provided on the inner side of the cross-shaped groove, a connecting rod is fixedly connected to the outer side of the cross-shaped locking block, and a rotating block is fixedly connected to the side of the connecting rod.

[0009] As a preferred embodiment, the top of the dimming LED downlight body is provided with a mounting top plate, and mounting side plates are fixedly connected to both sides of the bottom end of the mounting top plate, with the dimming LED downlight body disposed between the two mounting side plates.

[0010] As a preferred embodiment, a second rubber pad is provided on the side of the clamping side plate near the dimming LED downlight body, and two side fixing ears are symmetrically fixed to the outer side of the clamping side plate, with long bolts provided on the inner side of the side fixing ears.

[0011] As a preferred embodiment, a through groove is provided on the inner side of the mounting side plate, the through groove is correspondingly provided with a rotating block, the rotating block is rotatably provided on the inner side of the through groove, and the size of the cross-shaped locking block is smaller than the through groove.

[0012] As a preferred embodiment, side rods are fixedly connected to both sides of the rotating block, and the side rods are located on the outer side of the mounting side plate.

[0013] As a preferred embodiment, a fastening bolt is provided on the inner side of the side rod, and an annular groove is provided on the side of the mounting side plate. A first rubber pad is provided on the inner side of the annular groove, and the annular groove is correspondingly provided with the fastening bolt.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] 1. This utility model features a slot on the outer side of the bottom of the dimming LED downlight body and a clamping side plate on the side of the dimming LED downlight body, which facilitates the limiting and fixing of the dimming LED downlight body without the need for bolts to install and fix the dimming LED downlight body. The clamping side plate has a cross-shaped groove on its side, and a cross-shaped locking block is provided on the inner side of the cross-shaped groove. The cross-shaped locking block and the rotating block are fixedly connected by a connecting rod. The rotating block is located on the inner side of the mounting side plate, which allows the dimming LED downlight body to be easily rotated, making it easy to change the illumination angle of the dimming LED downlight body and improving its applicability.

[0016] 2. This utility model has side rods fixedly connected to both sides of the rotating block, with fastening bolts provided on the inner side of the side rods. An annular groove is provided at the corresponding position of the mounting side plate, and a first rubber pad is provided on the inner side of the annular groove, so that the fastening bolts can be threaded into the inner side of the annular groove, thereby limiting the position of the side rods, that is, effectively limiting the position of the rotating block. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the clamping side plate in this utility model;

[0019] Figure 3 for Figure 1 Schematic diagram of the structure at point A;

[0020] Figure 4 This is a schematic diagram of the rotating block in this utility model.

[0021] In the picture:

[0022] 1. Dimmable LED downlight body; 11. Card slot;

[0023] 2. Install the top plate; 21. Install the side plates; 22. Annular groove; 221. First rubber pad;

[0024] 3. Clamping side plate; 31. Long bolt; 32. Cross-shaped groove; 33. Second rubber pad; 34. Arc-shaped top plate; 35. Side fixing lug;

[0025] 4. Rotating block; 41. Side rod; 42. Fastening bolt; 43. Connecting rod; 44. Cross-shaped locking block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see the appendix Figure 1 - Appendix Figure 4A SCR-controlled dimming LED downlight includes a dimming LED downlight body 1, with a slot 11 in the middle of the body. Clamping side plates 3 are symmetrically arranged on both sides of the body. An arc-shaped top plate 34 is fixedly connected to the bottom of each clamping side plate 3, corresponding to the slot 11. The SCR-controlled dimming LED downlight mainly consists of an LED light source module, a SCR dimming drive circuit, a heat dissipation housing, and an optical lens. The LED light source module is the core light-emitting component, composed of multiple LED chips connected in series or parallel to ensure stable light output. The SCR dimming drive circuit is crucial for dimming, including a SCR switch, a rectifier filter unit, and a constant current control chip. Its function is to receive signals from the dimming switch... The phase control signal of the switch adjusts the brightness of the LED by changing the duty cycle of the output current. The heat dissipation shell is usually made of aluminum alloy, which can quickly dissipate the heat generated by the LED during operation and prevent the chip from aging due to high temperature, thus affecting its lifespan. The optical lens is used to optimize the distribution angle of the light, so that the lighting range is more in line with actual needs. Its working principle is as follows: when the user adjusts the dimming switch, the thyristor element will change the conduction phase of the input AC power. The drive circuit rectifies, filters and constant current processes the current after phase cutting, and outputs the corresponding current to the LED light source. The change in the magnitude of the current directly causes the change in the brightness of the LED, thereby achieving a smooth adjustment from dark to bright or from bright to dark. The light is flicker-free throughout the process, ensuring the stability and comfort of the lighting.

[0028] The side of the clamping side plate 3 is provided with a cross-shaped groove 32, the inside of the cross-shaped groove 32 is provided with a cross-shaped locking block 44, the outside of the cross-shaped locking block 44 is fixedly connected with a connecting rod 43, and the side of the connecting rod 43 is fixedly connected with a rotating block 4.

[0029] Specifically, a slot 11 is provided on the outer side of the bottom of the dimming LED downlight body 1, and a clamping side plate 3 is provided on the side of the dimming LED downlight body 1, which facilitates the limiting and fixing of the dimming LED downlight body 1 without the need for bolts to install and fix the dimming LED downlight body 1. The side of the clamping side plate 3 is provided with a cross-shaped groove 32, and a cross-shaped locking block 44 is provided on the inner side of the cross-shaped groove 32. The cross-shaped locking block 44 is fixedly connected to the rotating block 4 through a connecting rod 43. The rotating block 4 is located on the inner side of the mounting side plate 21, which makes it easy to rotate the dimming LED downlight body 1, so as to change the illumination angle of the dimming LED downlight body 1 and improve the applicability of use.

[0030] Please see the appendix Figure 1 The top of the dimming LED downlight body 1 is provided with a mounting top plate 2, and mounting side plates 21 are fixedly connected to both sides of the bottom end of the mounting top plate 2. The dimming LED downlight body 1 is located between the two mounting side plates 21.

[0031] Specifically, by setting up a mounting top plate 2, mounting holes are provided on both sides of the mounting top plate 2, so that the mounting top plate 2 can be fixed to a suitable position using bolts. By setting up mounting side plates 21, the mounting top plate 2 is fixedly connected to the bottom end of the mounting top plate 2, and the dimming LED downlight body 1 is set between the two mounting side plates 21.

[0032] Please see the appendix Figure 1 and Figure 2 A second rubber pad 33 is provided on the side of the clamping side plate 3 near the dimming LED downlight body 1. Two side fixing ears 35 are symmetrically fixed to the outer side of the clamping side plate 3, and long bolts 31 are provided on the inner side of the side fixing ears 35.

[0033] Specifically, by setting a second rubber pad 33, which contacts the dimming LED downlight body 1, the friction between the second rubber pad 33 and the dimming LED downlight body 1 is effectively increased, thus improving the fixing effect. By symmetrically setting the second rubber pad 33 on both sides of the dimming LED downlight body 1, the dimming LED downlight body 1 is effectively fixed. Side fixing ears 35 are fixedly connected to the outer sides of the side clamping plates 3 on both sides. The inner side of the side fixing ears 35 has a through hole, and a long bolt 31 can be inserted from one side fixing ear 35 and then passed through the other side fixing ear 35. The long bolt 31 is fixed with a nut and threaded, thereby installing and fixing the two side fixing ears 35, which effectively installs and fixes the two clamping side plates 3.

[0034] Please see the appendix Figure 1 and Figure 3 The inner side of the mounting side plate 21 is provided with a through groove, which is correspondingly set with the rotating block 4. The rotating block 4 is rotatably set inside the through groove, and the size of the cross-shaped locking block 44 is smaller than the through groove.

[0035] Specifically, a through groove is provided on the inner side of the mounting side plate 21, and the through groove is correspondingly set with the rotating block 4. The rotating block 4 is rotatably set on the inner side of the through groove, and the cross-shaped locking block 44 is smaller than the through groove. In actual use, it is convenient to pass the cross-shaped locking block 44 through the inner side of the through groove and insert it into the inner side of the cross-shaped groove 32. At this time, the rotating block 4 will be set on the inner side of the through groove.

[0036] Please see the appendix Figure 3 Both sides of the rotating block 4 are fixedly connected with side rods 41, which are located on the outside of the mounting side plate 21.

[0037] Specifically, by setting side rods 41, two side rods 41 are provided and fixedly connected to both sides of the rotating block 4 respectively. The inner side of the mounting side plate 21 is provided with a through groove corresponding to the rotating block 4, so that the rotating block 4 can be rotatably set inside the through groove. At the same time, after the clamping side plate 3 is passed through the through groove, the side rods 41 can be set outside the mounting side plate 21.

[0038] Please see the appendix Figure 3 The inner side of the side rod 41 is provided with a fastening bolt 42, and the side of the mounting side plate 21 is provided with an annular groove 22. The inner side of the annular groove 22 is provided with a first rubber pad 221, and the annular groove 22 is correspondingly provided with the fastening bolt 42.

[0039] Specifically, an annular groove 22 is provided, which is a complete circle. The annular groove 22 and the rotating block 4 are concentric circles. The rotating block 4 can rotate, allowing the fastening bolt 42 to rotate inside the annular groove 22. The fastening bolt 42 is threadedly connected to the side rod 41. When it is necessary to limit the rotation block 4 and the side rod 41, the fastening bolt 42 can be tightened inside the annular groove 22. The position of the rotating block 4 and the side rod 41 is limited by the compression and limiting method of the annular groove 22, preventing them from continuing to rotate. A first rubber pad 221 is provided inside the annular groove 22. The first rubber pad 221 is a soft pad with irregular protrusions on its surface. When the fastening bolt 42 is tightened, it will be placed under the first rubber pad 221, which can further limit the fastening bolt 42 and prevent it from moving inside the annular groove 22, ensuring the stability of the rotating block 4.

[0040] The working principle of this utility model is as follows: In specific use, first fix the mounting top plate 2 and mounting side plate 21 to a suitable position, set the two clamping side plates 3 close to the dimming LED downlight body 1, and snap the arc-shaped top plate 34 into the inner side of the slot 11 to effectively snap and limit the dimming LED downlight body 1. By symmetrically setting the second rubber pads 33 on both sides of the dimming LED downlight body 1, the dimming LED downlight body 1 is effectively fixed. By fixing the side fixing ears 35 on the outer side of the clamping side plates 3 on both sides, and opening the through hole on the inner side of the side fixing ears 35, the long bolt 31 can be inserted from the side fixing ear 35 on one side and then passed out from the side fixing ear 35 on the other side. The nut is used to fix the long bolt 31 with the thread, thereby installing and fixing the two side fixing ears 35, that is, effectively installing and fixing the two clamping side plates 3.

[0041] The dimming LED downlight body 1 is placed between two mounting side plates 21. The cross-shaped locking block 44 passes through the through slot opened in the mounting side plate 21 and is inserted into the inside of the cross-shaped slot 32. At this time, the rotating block 4 will be placed inside the through slot. The fastening bolt 42 is threaded to the inside of the side rod 41 and pressed into the inside of the annular groove 22, effectively limiting the position of the rotating block 4.

[0042] When it is necessary to change the operating angle of the dimming LED downlight body 1, loosen the fastening bolt 42, unscrew the fastening bolt 42 from the inside of the annular groove 22, rotate the dimming LED downlight body 1 to adjust the angle, and after adjusting the position, reconnect the fastening bolt 42 to the inside of the annular groove 22 to effectively limit the position of the rotating block 4, thereby limiting the position of the dimming LED downlight body 1.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A triac dimmable LED downlight, comprising a dimmable LED downlight body (1), characterized in that: The dimming LED downlight body (1) has a slot (11) in the middle, and clamping side plates (3) are symmetrically arranged on both sides of the dimming LED downlight body (1). The bottom end of the clamping side plate (3) is fixedly connected to an arc-shaped top plate (34), and the arc-shaped top plate (34) is correspondingly arranged with the slot (11); The clamping side plate (3) has a cross-shaped groove (32) on its side. A cross-shaped locking block (44) is provided on the inner side of the cross-shaped groove (32). A connecting rod (43) is fixedly connected to the outer side of the cross-shaped locking block (44). A rotating block (4) is fixedly connected to the side of the connecting rod (43).

2. The TRIAC dimmable LED tube lamp according to claim 1, characterized in that: The top of the dimming LED downlight body (1) is provided with a mounting top plate (2), and mounting side plates (21) are fixedly connected to both sides of the bottom end of the mounting top plate (2). The dimming LED downlight body (1) is located between the two mounting side plates (21).

3. The thyristor-controlled dimming LED downlight according to claim 2, characterized in that: The clamping side plate (3) is provided with a second rubber pad (33) on the side near the dimming LED downlight body (1). Two side fixing ears (35) are symmetrically fixed to the outer side of the clamping side plate (3). Long bolts (31) are provided on the inner side of the side fixing ears (35).

4. A thyristor-controlled dimming LED downlight according to claim 3, characterized in that: The inner side of the mounting side plate (21) is provided with a through groove, which is correspondingly provided with the rotating block (4). The rotating block (4) is rotatably provided on the inner side of the through groove, and the size of the cross-shaped locking block (44) is smaller than the through groove.

5. A thyristor-controlled dimming LED downlight according to claim 4, characterized in that: Both sides of the rotating block (4) are fixedly connected with side rods (41), which are located on the outside of the mounting side plate (21).

6. A thyristor-controlled dimming LED downlight according to claim 5, characterized in that: The inner side of the side rod (41) is provided with a fastening bolt (42), and the side of the mounting side plate (21) is provided with an annular groove (22). The inner side of the annular groove (22) is provided with a first rubber pad (221), and the annular groove (22) is provided in correspondence with the fastening bolt (42).

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