LED eye-care panel lamp and method for adjusting brightness of eye-care lamp thereof

Abstract

The application discloses an LED eye-protecting panel lamp, and relates to the technical field of LED lamps, in particular to an LED eye-protecting panel lamp. The LED eye-protecting panel lamp comprises a base, an aluminum alloy support and a lamp holder. The base is connected with the lamp holder through the aluminum alloy support. A power socket is formed in the left side of the base. Fixed blocks are fixedly installed on the left side of the base and located on the front and back sides of the power socket. A connecting mechanism is arranged in the inside of the fixed block far from the power socket. The LED eye-protecting panel lamp is matched among the first power line, the connecting mechanism, the power socket and the input end. The connecting mechanism is arranged to realize the limiting effect of the power socket and the input end, and the reinforcing effect of the input end is achieved. The problem of poor contact of the LED eye-protecting panel lamp is effectively solved. The connecting mode of the connecting mechanism and the input end is adopted to improve the fastening of the power socket and the input end, and the harm of poor contact of the LED eye-protecting panel lamp to the user's vision caused by the falling of the input end is avoided.

Description

Technical Field

[0001] This invention relates to the field of LED lighting technology, specifically to an LED eye-protection panel light and a method for adjusting the brightness of the eye-protection light. Background Technology

[0002] An LED light is an electroluminescent semiconductor chip that is fixed to a bracket with silver or white glue. Then, silver or gold wires connect the chip to the circuit board, and the perimeter is sealed with epoxy resin to protect the internal core wires. Finally, a housing is installed. Therefore, LED lights have good shock resistance. As a type of LED light, the LED eye-protection panel light has a unique design. After the light passes through a high-transmittance light guide plate, it forms a uniform planar light emission effect. It has good illuminance uniformity, soft and comfortable light without losing brightness, which can effectively relieve eye fatigue.

[0003] LED eye-protection panel lights are powered by connecting wires. However, to accommodate different distances for the power supply terminals, the wires are often excessively long, causing them to drag on the ground. This can cause users to trip and fall, or step on the wires, damaging them and shortening their lifespan. Damaged wires can also lead to electrical leakage, increasing the risk of accidents and reducing safety. Furthermore, the connection between the power supply terminal and the power socket can be problematic. An overly tight connection can damage the internal conductors of the socket, while a loose connection can cause poor contact, resulting in flickering light that can blur vision and harm the user's eyesight. Summary of the Invention

[0004] This invention provides an LED eye-protection panel light and a method for adjusting the brightness of the eye-protection light, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an LED eye-protection panel light, comprising a base, an aluminum alloy bracket, and a lamp head. The base is connected to the lamp head via the aluminum alloy bracket. A power socket is provided on the left side of the base. Fixing blocks are fixedly installed on the left side of the base, located on both sides of the power socket. A connecting mechanism is provided inside the fixing blocks on the side away from the power socket. An input terminal is movably sleeved on the inner wall of the power socket. Locking blocks located outside the fixing blocks are fixedly installed on both sides of the right side of the input terminal. A first-order connecting wire is fixedly connected to the left side of the input terminal. A storage box is movably installed outside the first-order connecting wire.

[0006] Optionally, a circuit board is fixedly installed inside the base, touch switches are evenly distributed on the right side of the upper surface of the base, a support leg is fixedly connected to the lower surface of the base, a foot is threaded onto the inner wall of the lower end of the base, and threaded holes with corresponding positions are opened at both the front and rear ends of the left side of the base.

[0007] Optionally, a light-emitting surface is fixedly installed on the lower end face of the lamp head, and a heat dissipation hole is opened on the lower end face of the lamp head on the left side of the light-emitting surface. The input end of the lamp head is connected to a No. 2 connecting wire, and the end of the No. 2 connecting wire away from the lamp head extends into the interior of the base.

[0008] Optionally, the connecting mechanism includes a spring inside one side of the fixed block, with a connecting block installed at the end of the spring away from the fixed block, and the outer wall of the connecting block engaging with the interior of the locking block.

[0009] Optionally, dovetail grooves are fixedly installed at both the upper and lower ends on the left side of the input terminal, and a dovetail block is movably engaged with the inner wall of the dovetail groove, with the right side of the dovetail block being fixedly connected to the left side of the base.

[0010] Optionally, protruding strips are fixedly installed on both the front and rear sides of the lower end face of the storage box, and L-shaped rods are fixedly connected to both the front and rear ends of the right side of the storage box. A pull rod is movably sleeved on the outer wall of the L-shaped rod, and the right end of the pull rod is fixedly connected to the left side of the base. A support frame is fixedly installed on the front of the storage box, and a top cover located above the storage box is movably sleeved on the outer wall of the middle part of the support frame. An upper limit plate is fixedly connected to the back of the top cover. A threaded rod is threadedly sleeved on the outer wall of the upper limit plate, and a lower limit plate located below the upper limit plate is threadedly sleeved on the outer wall of the threaded rod. The front end of the lower limit plate is fixedly connected to the back of the storage box.

[0011] Optionally, the main circuit of the circuit board consists of a power switch S, a light bulb H, a bidirectional silicon controlled rectifier (SCR) SCR, and an inductor L. Potentiometers RP1 and RP2, resistor R1, capacitor C2, and bidirectional diode SD form the trigger circuit of the bidirectional silicon controlled rectifier (SCR), and potentiometer RP2 is equipped with a switch.

[0012] Optionally, a concave rod is movably sleeved on the outer wall of the protruding strip, and a second threaded rod is fixedly installed on the right end of the concave rod, with the outer wall of the second threaded rod threadedly sleeved with the inner wall of the threaded hole.

[0013] A method for adjusting the brightness of an LED eye-protection panel light includes the following steps: S1. Installation of LED eye-protection panel lights 1.1 First, rotate the feet and adjust the height of the feet in each direction until the base is parallel to the tabletop; 1.2 Then, insert the input terminal into the power socket. As the input terminal is pushed into the power socket, the connecting block is pressed into the fixed block. The connecting block moves while compressing the spring. The locking block is pushed against the outer wall of the fixed block. The spring's rebound pops the connecting block out of the locking block. At this time, the locking block engages with the fixed block. At the same time, the dovetail groove is locked against the outer wall of the dovetail block. 1.3 Finally, rotate the No. 2 threaded rod to the inner wall of the threaded hole, place the No. 1 connecting wire inside the storage box, and place the terminal on the outside of the storage box. Using the rotation of the top cover on the outer wall of the support frame, place the top cover on the upper end of the storage box. Then connect the No. 1 threaded rod to the upper limit plate and the lower limit plate, and insert the convex strip into the inside of the concave rod. At this time, the L-shaped rod is inserted into the inside of the pull rod.

[0014] S2, LED eye-protection panel light illumination range adjustment Adjust the position of the aluminum alloy bracket and lamp head to change the height and range of the light illuminating surface.

[0015] S3 LED eye-protection panel light circuit layout By controlling and adjusting the circuit board through the touch switch, when the UC charging voltage reaches the positive and negative conduction voltage threshold of the bidirectional diode SD, the bidirectional SCR is triggered to conduct in both directions. When the input power supply voltage crosses zero, the bidirectional SCR is automatically turned off. The charging rate can be adjusted by adjusting the resistance values ​​of potentiometers RP1 and RP2, which in turn adjusts the conduction angle of the SCR, thereby adjusting the intensity of the light. In addition, the inductor L and capacitor C1 form a high-frequency filter circuit to prevent the high-frequency trigger signal from polluting the power grid.

[0016] The present invention has the following beneficial effects: 1. This LED eye-protection panel light, through the cooperation between the No. 1 connecting wire, the connecting mechanism, the power socket, and the input terminal, utilizes the setting of the connecting mechanism to achieve the limiting effect between the power socket and the input terminal, thus achieving a reinforcement effect on the input terminal and effectively solving the problem of poor contact in LED eye-protection panel lights. The connection method of the connecting mechanism and the input terminal improves the tightness of the connection between the power socket and the input terminal, preventing the input terminal from falling off and causing poor contact in the LED eye-protection panel light, which could harm the user's eyesight.

[0017] 2. This LED eye-protection panel light, through the cooperation of the storage box, connecting wire, top cover and support frame, utilizes the installation of the storage box to realize the storage function of the connecting wire, effectively solving the problem of wire damage. The method of organizing the connecting wire with the storage box not only avoids the connecting wire from being dragged on the ground and damaged by the user, but also avoids the user tripping over the connecting wire and causing accidents. The storage of the connecting wire reduces the damage to the connecting wire and lowers the risk of accidents.

[0018] 3. This LED eye-protection panel light, through the cooperation between the base, legs, and feet, utilizes the feet to adjust the placement of the base, ensuring that the LED eye-protection panel light is level with the desktop during use. This effectively solves the problem of the LED eye-protection panel light tipping over. The threaded connection between the legs and feet avoids the base being affected by uneven desktop surfaces, preventing the LED eye-protection panel light from becoming unstable. The adjustable height of the feet further enhances the stability of the LED eye-protection panel light. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a bottom view of the base in the structure of the present invention; Figure 3 This is a top view of the storage box in the structure of the present invention; Figure 4 This is a bottom view of the protruding strip in the structure of the present invention; Figure 5 This is a top view of the concave rod in the structure of the present invention; Figure 6 This is a front view of the circuit board in the structure of the present invention; Figure 7 In the structure of this invention Figure 6 A magnified view of point A; Figure 8 This is a circuit diagram of the LED lighting in the structure of the present invention.

[0020] In the diagram: 1. Base; 2. Aluminum alloy bracket; 3. Lamp holder; 4. Power socket; 5. Fixing block; 6. Connecting mechanism; 61. Spring; 62. Connecting block; 7. Input end; 8. Locking block; 9. No. 1 connecting wire; 10. Storage box; 11. Circuit board; 12. Touch switch; 13. Support leg; 14. Base foot; 15. Threaded hole; 16. Light-emitting surface; 17. Heat dissipation hole; 18. No. 2 connecting wire; 19. Dovetail groove; 20. Dovetail block; 21. Protruding strip; 22. L-shaped rod; 23. Pull rod; 24. Support frame; 25. Top cover; 26. Upper limit plate; 27. No. 1 threaded rod; 28. Lower limit plate; 29. ​​Concave rod; 30. No. 2 threaded rod. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figure 1 and Figure 6 This invention provides a technical solution: an LED eye-protection panel light, including a base 1, an aluminum alloy bracket 2, and a lamp head 3. The base 1 is connected to the lamp head 3 via the aluminum alloy bracket 2, which serves to connect the base 1 and the lamp head 3. A power socket 4 is provided on the left side of the base 1, which supplies power to the LED eye-protection panel light. Fixing blocks 5 are fixedly installed on the left side of the base 1, located on both sides of the power socket 4. The fixing blocks 5 provide support and a platform for the installation of the connecting mechanism 6. The connecting mechanism 6 is located inside the fixing block 5 on the side away from the power socket 4, which connects the fixing block 5 and the locking block 8. By changing the connection relationship between the connecting mechanism 6 and the locking block 8, the input terminal 7 can be installed and removed, thus preventing the input terminal 7 from detaching during installation. The design of the power socket 4 also facilitates the disassembly of the input terminal 7. The input terminal 7 is movably fitted onto the inner wall of the power socket 4. The input terminal 7 serves to connect the power supply of the LED eye-protection panel light. The front and rear sides of the right side of the input terminal 7 are fixedly installed with locking blocks 8 located outside the fixing block 5. The connection between the locking blocks 8 and the connecting mechanism 6 enables the connection of the input terminal 7, while the separation of the locking blocks 8 and the connecting mechanism 6 enables the disassembly of the input terminal 7. The left side of the input terminal 7 is fixedly connected to the No. 1 connecting wire 9. The No. 1 connecting wire 9 serves to connect the power supply to the input terminal 7. The No. 1 connecting wire 9 is movably installed outside the No. 1 connecting wire 9. The storage box 10 serves to store the No. 1 connecting wire 9, preventing it from being too long and dragging on the ground, which could be stepped on by the user. It also prevents the No. 1 connecting wire 9 from tripping the user.

[0023] A circuit board 11 is fixedly installed inside the base 1. The circuit board 11 provides power to the various components of the LED eye-protection panel light. Touch switches 12 are evenly distributed on the right side of the upper surface of the base 1. A support leg 13 is fixedly connected to the lower surface of the base 1. The support leg 13 provides support for the LED eye-protection panel light. A foot 14 is threaded onto the inner wall of the lower end of the base 1. The threaded connection allows the foot 14 to not only rotate circumferentially inside the support leg 13, but also to move vertically. Threaded holes 15 are provided at the front and rear ends of the left side of the base 1.

[0024] Please see Figure 2 and Figure 7 The lower end of the lamp head 3 is fixedly equipped with a light-emitting surface 16. A heat dissipation hole 17 is opened on the lower end of the lamp head 3 on the left side of the light-emitting surface 16. The heat dissipation hole 17 is set to dissipate heat during the use of the LED eye protection panel light. The input end of the lamp head 3 is connected to a No. 2 connecting wire 18, and the end of the No. 2 connecting wire 18 away from the lamp head 3 extends into the interior of the base 1. The No. 2 connecting wire 18 provides power to the light-emitting surface 16.

[0025] The connecting mechanism 6 includes a spring 61 inside one side of the fixed block 5. The spring 61 provides power for the resetting of the connecting block 62. The connecting block 62 is installed at the end of the spring 61 away from the fixed block 5, and the outer wall of the connecting block 62 is movably engaged with the inside of the locking block 8. When the connecting block 62 is connected to the locking block 8, the input end 7 is in the installed state. When the connecting block 62 is separated from the locking block 8, the input end 7 is in the separated state.

[0026] Dovetail grooves 19 are fixedly installed at both the top and bottom ends on the left side of the input terminal 7. The dovetail grooves 19 are designed to provide space for the installation of the dovetail block 20. The dovetail block 20 is movably engaged with the inner wall of the dovetail groove 19, and the right side of the dovetail block 20 is fixedly connected to the left side of the base 1. The engagement between the dovetail block 20 and the dovetail groove 19 restricts the installation position of the input terminal 7.

[0027] Please see Figure 3 and Figure 8The storage box 10 has protruding strips 21 fixedly installed on both the front and rear sides of its lower end face. L-shaped rods 22 are fixedly connected to both the front and rear ends of the right side of the storage box 10. A pull rod 23 is movably sleeved on the outer wall of the L-shaped rod 22. The pull rod 23 provides support and a platform for the installation of the L-shaped rod 22, and its right end is fixedly connected to the left side of the base 1. A support frame 24 is fixedly installed on the front of the storage box 10. The support frame 24 connects the storage box 10 to the top cover 25. The outer wall of the middle part of the support frame 24... A top cover 25 is attached to the storage box 10. An upper limit plate 26 is fixedly connected to the back of the top cover 25. A threaded rod 27 is threaded onto the outer wall of the upper limit plate 26. The threaded rod 27 connects the upper limit plate 26 and the lower limit plate 28, thus connecting the storage box 10 and the top cover 25. A lower limit plate 28 is threaded onto the outer wall of the threaded rod 27, located below the upper limit plate 26. The front end of the lower limit plate 28 is fixedly connected to the back of the storage box 10.

[0028] The main circuit of circuit board 11 consists of a power switch S, a light bulb H, a bidirectional thyristor SCR, and an inductor L. Potentiometers RP1 and RP2, resistor R1, capacitor C2, and bidirectional diode SD form the trigger circuit of the bidirectional thyristor SCR, and potentiometer RP2 has a switch.

[0029] Please see Figure 4 and Figure 5 The outer wall of the protruding strip 21 is movably sleeved with a concave rod 29. The concave rod 29 serves to support the protruding strip 21. A second threaded rod 30 is fixedly installed at the right end of the concave rod 29. The outer wall of the second threaded rod 30 is threadedly sleeved with the inner wall of the threaded hole 15. The threaded connection method facilitates the disassembly and assembly of the second threaded rod 30.

[0030] A method for adjusting the brightness of an LED eye-protection panel light includes the following steps: S1. Installation of LED eye-protection panel lights 1.1 First, rotate the base 14 and adjust the height of the base 14 in each direction until the base 1 is parallel to the table. 1.2 Then, insert the input terminal 7 into the power socket 4. As the input terminal 7 is pushed into the power socket 4, the connecting block 62 is pressed into the fixed block 5. While the connecting block 62 moves, the spring 61 is compressed. The locking block 8 is pushed against the outer wall of the fixed block 5. The spring 61 rebounds and pops the connecting block 62 out of the locking block 8. At this time, the locking block 8 is engaged with the fixed block 5. At the same time, the dovetail groove 19 is engaged with the outer wall of the dovetail block 20. 1.3 Finally, rotate the second threaded rod 30 to the inner wall of the threaded hole 15, place the first connecting wire 9 inside the storage box 10, and place the terminal on the outside of the storage box 10. Using the rotation of the top cover 25 on the outer wall of the support frame 24, cover the upper end of the storage box 10 with the top cover 25. Then connect the first threaded rod 27 to the upper limit plate 26 and the lower limit plate 28, and lock the protruding strip 21 inside the concave rod 29. At this time, the L-shaped rod 22 is locked inside the pull rod 23.

[0031] S2, LED eye-protection panel light illumination range adjustment Adjust the position of the aluminum alloy bracket 2 and the lamp head 3 to change the illumination height and range of the light-emitting surface 16.

[0032] S3 LED eye-protection panel light circuit layout By controlling and adjusting the circuit board 11 via the touch switch 12, when the UC charging voltage reaches the positive and negative conduction voltage threshold of the bidirectional diode SD, the bidirectional silicon controlled rectifier (SCR) is triggered to conduct in both directions. When the input power supply voltage crosses zero, the bidirectional SCR automatically turns off. The charging rate can be adjusted by adjusting the resistance values ​​of potentiometers RP1 and RP2, which in turn adjusts the conduction angle of the SCR, thereby adjusting the intensity of the light. In addition, the inductor L and capacitor C1 form a high-frequency filter circuit to prevent the high-frequency trigger signal from polluting the power grid.

[0033] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Moreover, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An LED eye-protection panel light, comprising a base (1), an aluminum alloy bracket (2), and a lamp head (3), wherein the base (1) is connected to the lamp head (3) via the aluminum alloy bracket (2), characterized in that: A power socket (4) is provided on the left side of the base (1). Fixing blocks (5) are fixedly installed on the left side of the base (1) on both the front and rear sides of the power socket (4). A connecting mechanism (6) is provided inside the fixing block (5) on the side away from the power socket (4). An input end (7) is movably sleeved on the inner wall of the power socket (4). A locking block (8) is fixedly installed on both the front and rear sides of the right side of the input end (7) outside the fixing block (5). A first-order connecting wire (9) is fixedly connected to the left side of the input end (7). A storage box (10) is movably installed outside the first-order connecting wire (9). The connecting mechanism (6) includes a spring (61) inside one side of the fixed block (5), and a connecting block (62) is installed at the end of the spring (61) away from the fixed block (5), and the outer wall of the connecting block (62) is movably engaged with the inside of the locking block (8); The storage box (10) has protruding strips (21) fixedly installed on both the front and rear sides of the lower end face. The storage box (10) has L-shaped rods (22) fixedly connected to both the front and rear ends of the right side. The outer wall of the L-shaped rod (22) is movably sleeved with a pull rod (23), and the right end of the pull rod (23) is fixedly connected to the left side of the base (1). The front of the storage box (10) has a support frame (24) fixedly installed. The outer wall of the middle part of the support frame (24) is movably sleeved with a top cover (25) located above the storage box (10). The back of the top cover (25) is fixedly connected with an upper limit plate (26). The outer wall of the upper limit plate (26) is threaded with a first thread rod (27). The outer wall of the first thread rod (27) is threaded with a lower limit plate (28) located below the upper limit plate (26), and the front end of the lower limit plate (28) is fixedly connected to the back of the storage box (10). The outer wall of the protruding strip (21) is movably sleeved with a concave rod (29), and the right end of the concave rod (29) is fixedly installed with a second threaded rod (30), and the outer wall of the second threaded rod (30) is threadedly sleeved with the inner wall of the threaded hole (15). The upper and lower ends of the left side of the input terminal (7) are fixedly installed with dovetail grooves (19), and the inner wall of the dovetail groove (19) is movably engaged with a dovetail block (20), and the right side of the dovetail block (20) is fixedly connected to the left side of the base (1).

2. The LED eye-protection panel light according to claim 1, characterized in that: A circuit board (11) is fixedly installed inside the base (1). Touch switches (12) are evenly distributed on the right side of the upper surface of the base (1). A support leg (13) is fixedly connected to the lower surface of the base (1). A foot (14) is threaded onto the inner wall of the lower end of the base (1). Threaded holes (15) with corresponding positions are opened at both the front and rear ends of the left side of the base (1).

3. The LED eye-protection panel light according to claim 1, characterized in that: The lower end face of the lamp head (3) is fixedly equipped with a light-emitting surface (16). The lower end face of the lamp head (3) is provided with a heat dissipation hole (17) located on the left side of the light-emitting surface (16). The input end of the lamp head (3) is connected to a No. 2 connecting wire (18), and the end of the No. 2 connecting wire (18) away from the lamp head (3) extends into the interior of the base (1).

4. The LED eye-protection panel light according to claim 2, characterized in that: The main circuit of the circuit board (11) consists of a power switch S, a light bulb H, a bidirectional thyristor SCR, and an inductor L. Potentiometers RP1 and RP2, resistor R1, capacitor C2 and bidirectional diode SD form the trigger circuit of the bidirectional thyristor SCR, and potentiometer RP2 has a switch.

5. A method for adjusting the brightness of an LED eye-protection panel light as described in any one of claims 1-4, characterized in that, Includes the following operating steps S1. Installation of LED eye-protection panel lights First, rotate the base (14) and adjust the height of the base (14) in each direction until the base (1) is parallel to the table. Then, insert the input terminal (7) into the power socket (4). As the input terminal (7) is pushed into the power socket (4), the connecting block (62) is pressed into the fixed block (5). While the connecting block (62) moves, the spring (61) is compressed. The locking block (8) is pushed against the outer wall of the fixed block (5). The spring (61) rebounds and the connecting block (62) is ejected from the inside of the locking block (8). At this time, the locking block (8) is engaged with the fixed block (5). At the same time, the dovetail groove (19) is engaged with the outer wall of the dovetail block (20). Finally, rotate the No. 2 threaded rod (30) to the inner wall of the threaded hole (15), place the No. 1 connecting wire (9) inside the storage box (10), and place the terminal on the outside of the storage box (10). Using the rotation of the top cover (25) on the outer wall of the support frame (24), cover the top cover (25) on the upper end of the storage box (10), then connect the No. 1 threaded rod (27) to the upper limit plate (26) and the lower limit plate (28), and insert the protrusion (21) into the inside of the concave rod (29). At this time, the L-shaped rod (22) is inserted into the inside of the pull rod (23). 6.S2, LED eye-protection panel light illumination range adjustment Adjust the position of the aluminum alloy bracket (2) and the lamp head (3) to change the illumination height and range of the light-emitting surface (16). 7.S3, Circuit layout of LED eye-protection panel lights By controlling and adjusting the circuit board (11) through the touch switch (12), when the UC charging voltage reaches the positive and negative conduction voltage threshold of the bidirectional diode SD, the bidirectional silicon controlled rectifier (SCR) is triggered to conduct bidirectionally. When the input power supply voltage crosses zero, the bidirectional silicon controlled rectifier (SCR) is automatically turned off. The charging rate can be adjusted by adjusting the resistance values ​​of potentiometers RP1 and RP2, which can adjust the conduction angle of the rectifier, thereby adjusting the intensity of the light. In addition, the inductor L and capacitor C1 form a high-frequency filter circuit to prevent the high-frequency trigger signal from polluting the power grid.

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