Light shading device based on illuminating lamp protective cover

Abstract

The invention discloses a shading device based on an illuminating lamp protective cover, the shading device comprises a base, the base is fixedly connected with the protective cover, the protective cover is provided with a light adjusting mechanism, the light adjusting mechanism comprises a driving assembly, a controller and a mounting frame fixedly connected to the protective cover, and the driving assembly is used for driving a dustproof cylinder to rotate. By arranging the light adjusting mechanism, the light shielding plates can be opened and closed according to external light sensed by the light sensor, when external light is enhanced, the multiple light shielding plates are automatically closed, redundant light is shielded, meanwhile, the power of the lighting lamp is reduced, electric energy waste is avoided, when the external light is weakened, the light shielding plates are automatically opened and closed, and the lighting effect is improved. And the output power of the lighting device and the irradiation range of the lighting lamp are increased, so that the lighting lamp has the function of automatically adjusting the brightness and the irradiation range according to the external brightness degree.

Description

Technical Field

[0001] The invention relates to the technical field of shading of lighting lamps, and in particular to a shading device based on a protective cover of a lighting lamp. Background Art

[0002] In recent years, with the breakthrough of semiconductor technology, LED lighting has risen rapidly. LED lamps have significant advantages such as energy saving, environmental protection, long life, and fast response speed. Their energy consumption is only one-tenth of that of incandescent lamps, and their lifespan can reach tens of thousands of hours. At the same time, by controlling current and using different materials, they can achieve multiple colors of light to meet diverse lighting needs, such as landscape lighting, smart lighting and other fields.

[0003] The existing outdoor lighting shading device has a fixed shading range. Not only can it not automatically adjust the lighting effect or range of the lighting according to the external light, but the lighting can only work continuously at full power, resulting in low flexibility and practicality of use, which is not conducive to controlling the lighting effect of the lighting. It also consumes a lot of electricity, increases energy costs, and causes unnecessary energy waste. It is not in line with the concept of energy conservation and emission reduction. In the long run, it will bring a greater energy burden to enterprises and society. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a shading device based on a lighting lamp protective cover.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A shading device based on a lighting lamp protective cover comprises a base, a protective cover is fixedly connected to the base, a light adjustment mechanism is arranged on the protective cover, the light adjustment mechanism comprises a driving assembly, a controller and a mounting frame fixedly connected to the protective cover, a dustproof cylinder with a bottom opening is rotatably connected to the bottom of the mounting frame, the dustproof cylinder is in the shape of a funnel, the driving assembly is used to drive the rotation of the dustproof cylinder, the mounting frame is provided with a light sensor, the driving assembly and the light sensor are both electrically connected to the controller, a lamp tube fixedly connected to the mounting frame is arranged inside the dustproof cylinder, a plurality of shading plates distributed in a circular array are arranged at the light transmission opening at the bottom of the lamp tube, the plurality of shading plates are used in conjunction with the lamp tube to control the opening degree of the light transmission opening, thereby realizing the adjustment of the light irradiation range, the shading plate is hinged to the bottom of the lamp tube, and a mounting seat is arranged on the shading plate, a mounting plate is fixedly connected to the bottom of the dustproof cylinder, and the mounting seat is slidably connected to the mounting plate at the bottom of the dustproof cylinder.

[0007] Preferably, a sliding rheostat connected to the lighting lamp (not shown in the figure) is provided inside the lamp tube, and a sliding plate is provided at the sliding end of the sliding rheostat. The sliding plate is linked to the driving assembly, and the resistance of the sliding rheostat is changed by raising and lowering the sliding plate, thereby realizing the brightness and power adjustment of the lighting lamp and achieving the purpose of energy saving.

[0008] Preferably, the lamp tube is located inside the dustproof tube, and an annular light-shielding ring is provided at the light-transmitting portion between the lamp tube and the dustproof tube, and the light-shielding ring is fixedly connected to the bottom of the lamp tube, and the multiple light-shielding plates are slidably connected to the light-shielding ring through a limiting bearing. By providing a light-shielding ring in the gap between the lamp tube and the bottom of the dustproof tube, it is convenient to increase the stability of the movement of the light-shielding plate while reducing the loss of light energy.

[0009] Preferably, an arc plate is fixedly connected to the mounting seat, and the arc plate is fixedly connected to the shading plate via a connecting plate, the mounting seat is connected to the mounting plate, and the shading plate is connected to the shading ring via a positioning bearing, so that when the mounting plate rotates, the mounting seat drives the shading plate to rotate via the connecting plate, so that the shading plates of a plurality of annular arrays can be rotated and opened, while one corner of the shading plate is not separated from the shading ring.

[0010] Preferably, the top of the dustproof tube is rotatably connected to the mounting frame, a plurality of evenly distributed heat dissipation holes are provided on the dustproof tube, connecting rods are connected to the inner sides of the dustproof tube, and the opposite ends of the two connecting rods are fixedly connected to the output ends of the motor, and arc grooves are provided on both sides of the lamp tube to facilitate the rotation of the connecting rods.

[0011] Preferably, the driving assembly includes a motor, and the output end of the motor is connected to the sliding plate through a gear assembly, so that the motor drives the sliding plate to move vertically through the gear assembly.

[0012] Preferably, the gear assembly includes two vertical plates and a rotating shaft arranged inside the lamp tube, the vertical plates are fixedly connected to the lamp tube, and the two ends of the rotating shaft are respectively rotatably connected to the two vertical plates, one of the vertical plates is provided with a first gear and a second gear, the first gear is fixedly connected to the output end of the motor, the first gear is meshed with the second gear, the rotating shaft is slidably connected to the sliding plate, the two ends of the rotating shaft are respectively fixedly connected to the second gear and the third gear, the third gear is meshed with the fourth gear, the fourth gear is fixedly connected to a threaded rod, the threaded rod is threadedly connected to the sliding plate, and the two ends of the threaded rod are respectively rotatably connected to the two vertical plates.

[0013] Preferably, the interior of the lamp tube is fixedly connected to two fixing seats, and the two ends of the sliding rheostat are respectively connected to the two fixing seats, the two fixing seats are rotatably installed on the threaded rod, both ends of the threaded rod are fixed with limit blocks, and the opposite surfaces of the two fixing seats are provided with limit grooves that are compatible with the limit blocks.

[0014] Preferably, a flash mechanism is installed on the side of the mounting frame, the flash mechanism includes a wind power generation group, and the wind power generation group is installed on the top of the mounting frame, the bottom of the mounting frame is fixedly connected to a rotating seat, a conductive rod is rotatably installed inside the rotating seat, and a metal ball is fixedly connected to the bottom of the conductive rod.

[0015] Preferably, a metal rod is fixedly connected to the mounting frame, the metal rod is fixedly connected to a base plate, a metal contact is provided on one side of the base plate, and an electromagnet is provided on the other side, the wind power generation group is used to supply power to the electromagnet, and the metal contact, conductive rod, wind power generation group, flash light and metal ball are electrically connected in sequence.

[0016] The present invention has the following beneficial effects:

[0017] 1. By setting up a light adjustment mechanism, the shading plates can be opened and closed according to the external light sensed by the light sensor. When the external light increases, multiple shading plates are automatically closed to block excess light, and at the same time, the power of the lighting lamp is reduced to avoid energy waste. When the external light decreases, the shading plates are automatically opened and closed, and the output power of the lighting device and the illumination range of the lighting lamp are increased, so that the lighting lamp has the function of automatically adjusting the brightness and illumination range according to the external light level, saving electricity and reducing energy waste, which is in line with energy conservation and emission reduction and reduces the energy burden of enterprises and society.

[0018] 2. Through the setting of the flash mechanism, when the flash light adjusts the flashing frequency with the wind force, the dynamic matching of the warning intensity and the environmental risk can be achieved. In light wind and light rain, the lower flashing frequency can not only serve as a reminder, but also avoid excessive energy consumption. In strong winds and heavy rains, the high-frequency flashing can highlight the warning effect, effectively respond to different severe weather conditions, and enhance the flexibility and adaptability of the lighting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present invention;

[0020] Figure 2 A schematic diagram of the overall bottom-up structure provided for an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of the internal structure of a lamp tube provided in an embodiment of the present invention;

[0022] Figure 4A schematic diagram of the structure of a lighting adjustment mechanism provided in an embodiment of the present invention;

[0023] Figure 5 A schematic diagram of the structure of a shading mechanism provided in an embodiment of the present invention;

[0024] Figure 6 A schematic diagram of the internal structure of the protective cover provided in an embodiment of the present invention.

[0025] In the figure: 1. base; 2. protective cover; 3. mounting frame; 4. dustproof cylinder; 5. light sensor; 6. lamp tube; 7. shading plate; 8. mounting seat; 9. mounting plate; 10. sliding rheostat; 11. sliding plate; 12. shading ring; 13. arc plate; 14. heat dissipation hole; 15. motor; 16. vertical plate; 17. rotating shaft; 18. first gear; 19. second gear; 20. third gear; 21. fourth gear; 22. threaded rod; 23. fixed seat; 24. wind turbine; 25. rotating seat; 26. conductive rod; 27. metal ball; 28. metal rod; 29. ​​bottom plate; 30. metal contact; 31. electromagnet; 32. flashlight. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Reference Figure 1-6 A shading device based on a lighting lamp protective cover comprises a base 1, a protective cover 2 is fixedly connected to the base 1, a light adjustment mechanism is arranged on the protective cover 2, the light adjustment mechanism comprises a driving component, a controller and a mounting frame 3 fixedly connected to the protective cover 2, a light sensor 5 is electrically connected to a motor 15 through the controller, and the controller can adopt an existing PLC component, which can obtain the detection data sent back by the light sensor 5 in real time, and control the action of the motor 15 thereby realizing automatic and precise control.

[0029] The bottom of the mounting frame 3 is rotatably connected to a dustproof tube 4 with an opening at the bottom. The dustproof tube 4 is funnel-shaped. The driving assembly is used to drive the rotation of the dustproof tube 4. The mounting frame 3 is provided with a light sensor 5. The driving assembly and the light sensor 5 are both electrically connected to the controller. The interior of the dustproof tube 4 is provided with a lamp tube 6 fixedly connected to the mounting frame 3.

[0030] A plurality of shading plates 7 distributed in a circular array are arranged at the light-transmitting opening at the bottom of the lamp tube 6. The plurality of shading plates 7 are used in conjunction with the lamp tube 6 to control the opening degree of its light-transmitting opening, thereby realizing the adjustment of the lighting range. The shading plates 7 are hinged to the bottom of the lamp tube 6, and a mounting seat 8 is arranged on the shading plates 7. A mounting plate 9 is fixedly connected to the bottom of the dustproof tube 4, and the mounting seat 8 is slidably connected to the mounting plate 9 at the bottom of the dustproof tube 4.

[0031] When the motor 15 is started, the motor 15 can drive the dustproof cylinder 4 to rotate. At this time, the dustproof cylinder 4 rotates on the surface of the mounting frame 3, and the protective cover 2 is stationary under the action of the base 1. The output end of the motor 15 passes through the protective cover 2 and is rotatably connected to the protective cover 2 through a bearing. The dustproof cylinder 4 is fixed to the output end of the motor 15 and rotates synchronously therewith.

[0032] When the light sensor 5 detects a change in the external brightness, it can generate an electrical signal to control the motor 15 through the controller. When the light sensor 5 detects that the external light is daytime, the motor 15 is started to rotate forward. The motor 15 drives the dust tube 4 to rotate, which can then cause the mounting plate 9 to rotate. The rotation of the mounting plate 9 can drive the arc plate 13 to rotate. The rotation of the arc plate 13 can drive the connecting plate to rotate, which can then cause the shading plate 7 to rotate, so that multiple shading plates 7 can be combined to block the entire lighting lamp.

[0033] When the light sensor 5 detects that the external light becomes darker, the electrical signal generated by the light sensor 5 causes the motor 15 to reverse through the controller, and the shading plate 7 is spread out through the arrangement of the arc plate 13 and the connecting plate, so that the light generated by the lighting device can be smoothly irradiated to the outside.

[0034] The interior of the lamp tube 6 is provided with a sliding rheostat 10 connected to the lighting lamp (not shown in the figure), and the sliding end of the sliding rheostat 10 is provided with a sliding plate 11, and the sliding plate 11 is linked with the driving component. By moving the sliding plate 11, the resistance of the current on the sliding rheostat 10 is changed, so that the position of the sliding plate 11 on the sliding rheostat 10 is changed, and the resistance of the entire circuit is changed. In this way, the power of the entire lighting device can be adjusted, and the brightness of the lighting lamp can be controlled by moving the sliding plate 11 on the sliding rheostat 10.

[0035] The lamp tube 6 is located inside the dustproof tube 4, and an annular shading ring 12 is provided at the light-transmitting portion between the lamp tube 6 and the dustproof tube 4, and the shading ring 12 is fixedly connected to the bottom of the lamp tube 6, and the multiple shading plates 7 are slidably connected to the shading ring 12 via a limiting bearing. By providing the shading ring 12 in the gap between the lamp tube 6 and the bottom of the dustproof tube 4, it is convenient to increase the stability of the movement of the shading plate 7 while reducing the loss of light energy.

[0036] An arc plate 13 is fixedly connected to the mounting seat 8, and the arc plate 13 is fixedly connected to the shading plate 7 via a connecting plate. The mounting seat 8 is connected to the mounting plate 9, and the shading plate 7 is connected to the shading ring 12 via a positioning bearing. Therefore, when the mounting plate 9 rotates, the mounting seat 8 drives the shading plate 7 to rotate via the connecting plate, so that a plurality of annular array shading plates 7 can be rotated and opened, and a corner of the shading plate 7 is not separated from the shading ring 12.

[0037] The top of the dustproof tube 4 is rotatably connected to the mounting frame 3, and a plurality of evenly distributed heat dissipation holes 14 are provided on the dustproof tube 4. Connecting rods are connected to both inner sides of the dustproof tube 4, and the opposite ends of the two connecting rods are fixedly connected to the output ends of the motor 15. Arc grooves are provided on both sides of the lamp tube 6 to facilitate the rotation of the connecting rods.

[0038] The driving assembly includes a motor 15 , and the output end of the motor 15 is connected to the sliding plate 11 through a gear assembly, so that the motor 15 drives the sliding plate 11 to move vertically through the gear assembly.

[0039] The gear assembly includes two vertical plates 16 and a rotating shaft 17 arranged inside the lamp tube 6, the vertical plates 16 are fixedly connected to the lamp tube 6, and the two ends of the rotating shaft 17 are respectively rotatably connected to the two vertical plates 16, one of the vertical plates 16 is provided with a first gear 18 and a second gear 19, the first gear 18 is fixedly connected to the output end of the motor 15, the first gear 18 is meshed with the second gear 19, the rotating shaft 17 is slidably connected to the sliding plate 11, the two ends of the rotating shaft 17 are respectively fixedly connected to the second gear 19 and the third gear 20, the third gear 20 is meshed with a fourth gear 21, the fourth gear 21 is fixedly connected to a threaded rod 22, the threaded rod 22 is threadedly connected to the sliding plate 11, and the two ends of the threaded rod 22 are respectively rotatably connected to the two vertical plates 16.

[0040] Two fixing seats 23 are fixedly connected inside the lamp tube 6, and the two fixed ends of the sliding rheostat 10 are respectively connected to the two fixing seats 23. The two fixing seats 23 are rotatably installed on the threaded rod 22. Limit blocks are fixed at both ends of the threaded rod 22, and the opposite surfaces of the two fixing seats 23 are provided with limit grooves adapted to the limit blocks. At the same time, the central axes of the rotating shaft 17, the threaded rod 22 and the sliding rheostat 10 are all in the same vertical plane.

[0041] When the motor 15 is started, it can drive the rotating shaft 17 to rotate. The rotating rotating shaft 17 drives the threaded rod 22 to rotate through the third gear 20 and the fourth gear 21. The rotation of the threaded rod 22 can make the sliding plate 11 move on the surface of the threaded rod 22. The threaded rod 22 is made of conductive material. The position of the sliding plate 11 on the threaded rod 22 is changed, and the position of the sliding plate 11 on the sliding rheostat 10 is changed, so that the resistance of the entire circuit is changed, so that the power of the entire lighting device can be adjusted.

[0042] When the sunshade 7 is in the combined state, the resistance of the entire circuit is the largest and the power of the lamp tube 6 is the smallest. When the sunshade 7 is in the open state, the resistance of the entire circuit is the smallest, the power of the lamp tube 6 is the largest, and the light emitted by the lamp tube 6 is the brightest. Through the setting of the light adjustment mechanism, the sunshade 7 is sensitive to light changes and automatically closes when the external light increases to block excess light. At the same time, the lighting device can reduce power to avoid wasting electricity. When the external light decreases, the sunshade 7 automatically opens and the lighting device increases its output power to illuminate the darker scene outside.

[0043] A flash mechanism is installed on the side of the mounting frame 3, and the flash mechanism includes a wind power generation group 24, and the wind power generation group 24 is installed on the top of the mounting frame 3. The wind power generation group 24 is an existing micro wind power generation device, which will not be described in detail here. A rotating seat 25 is fixedly connected to the bottom of the mounting frame 3, and a conductive rod 26 is rotatably installed inside the rotating seat 25. A metal ball 27 is fixedly connected to the bottom of the conductive rod 26.

[0044] A metal rod 28 is fixedly connected to the mounting frame 3, and a base plate 29 is fixedly connected to the metal rod 28. A metal contact 30 is provided on one side of the base plate 29, and an electromagnet 31 is provided on the other side. The wind power generation group 24 is used to supply power to the electromagnet 31. The metal contact 30, the conductive rod 26, the wind power generation group 24, the flash lamp 32 and the metal ball 27 are electrically connected in sequence.

[0045] On windy and rainy days, the wind can drive the wind power generation group 24 to operate, so that the wind power generation group 24 generates electricity. The electricity generated by the wind power generation group 24 acts on the electromagnet 31. The electricity generated by the wind power generation group 24 is intermittently provided to the electromagnet 31, and the electromagnet 31 generates intermittent magnetic force through the circuit controller.

[0046] When the wind is weak, the power generated by the wind power generation group 24 is small, and the interval for the electromagnet 31 to generate magnetic force is longer. When the wind is stronger, the power generation of the wind power generation group 24 increases, and the interval for the electromagnet 31 to generate magnetic force becomes shorter. The magnetic force generated by the electromagnet 31 can absorb the metal ball 27.

[0047] When the electromagnet 31 generates magnetic force, the metal ball 27 rotates toward the bottom plate 29 under the action of the magnetic force, so that the metal ball 27 contacts the metal contact 30. When the metal ball 27 contacts the metal contact 30 on the bottom plate 29, the entire circuit can be connected, and the flash lamp 32 emits bright light.

[0048] When the magnetic force of the electromagnet 31 disappears, the metal ball 27 is separated from the bottom plate 29 under the action of gravity, and the power in the flash lamp 32 disappears at this time, and the flash lamp 32 is turned off.

[0049] The user can adjust the size of the starting data by replacing the metal ball 27. Through the setting of the flash mechanism, when the flash light 32 adjusts the flashing frequency according to the wind force, the dynamic matching of the warning intensity and the environmental risk can be achieved. In light wind and light rain, the lower flashing frequency can not only serve as a reminder, but also avoid excessive energy consumption. In strong winds and heavy rains, the high-frequency flashing can highlight the warning effect, effectively cope with different severe weather conditions, and enhance the flexibility and adaptability of the lighting device.

[0050] The working principle of the shading device for the lighting lamp protective cover is as follows: when the light sensor 5 detects that the brightness of the outside world has changed, an electrical signal can be generated to control the motor 15. When the light sensor 5 detects that the light outside is during the day, the motor 15 is started to rotate forward, and the motor 15 drives the dust tube 4 to rotate, which can then cause the mounting plate 9 to rotate. The rotation of the mounting plate 9 can drive the arc plate 13 to rotate, and the arc plate 13 can drive the connecting plate to rotate, which can then cause the shading plate 7 to rotate, so that multiple shading plates 7 can be combined to block the entire lighting lamp. When the light sensor 5 detects that the light outside has dimmed, the electrical signal generated by the light sensor 5 causes the motor 15 to reverse. Through the setting of the arc plate 13 and the connecting plate, the shading plate 7 is dispersed, so that the light generated by the lighting device can be smoothly irradiated to the outside world.

[0051] When the motor 15 is started, it can drive the first gear 18 to rotate, and the rotation of the first gear 18 can drive the second gear 19 to rotate, and the rotation of the second gear 19 can drive the rotating shaft 17 to rotate. The rotating rotating shaft 17 drives the threaded rod 22 to rotate through the third gear 20 and the fourth gear 21. The rotation of the threaded rod 22 can make the sliding plate 11 move on the surface of the threaded rod 22. By changing the position of the sliding plate 11 on the first threaded rod 22, the position of the sliding plate 11 on the sliding rheostat is changed, so that the resistance of the entire circuit is changed, so that the power of the entire lighting device can be adjusted. When the shading plate 7 is in the combined state, the resistance of the entire circuit is the largest and the power of the lamp tube 6 is the smallest. When the shading plate 7 is in the open state, the resistance of the entire circuit is the smallest, the power of the lamp tube 6 is the largest, and the light emitted by the lamp tube 6 is the brightest.

[0052] In windy and rainy days, the wind can drive the wind power generation group 24 to operate, so that the wind power generation group 24 generates electricity. The electricity generated by the wind power generation group 24 acts on the electromagnet 31, and the electricity generated by the wind power generation group 24 is intermittently provided to the electromagnet 31. The electromagnet 31 generates intermittent magnetic force through the circuit controller. When the wind force is small, the power generated by the wind power generation group 24 is small, and the interval between the electromagnet 31 generating magnetic force is longer. When the wind force is stronger, the power generation of the wind power generation group 24 increases, and the electromagnet 31 generates magnetic force. When the electromagnet 31 generates magnetic force, the metal ball 27 rotates toward the bottom plate 29 under the action of the magnetic force, so that the metal ball 27 contacts the metal contact 30. When the metal ball 27 contacts the metal contact 30 on the bottom plate 29, the whole circuit can be connected, and the flash lamp 32 emits light at this time. When the magnetic force of the electromagnet 31 disappears, the power in the flash lamp 32 disappears, and the flash lamp 32 goes out.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shading device based on a lighting lamp protective cover, comprising a base (1), to which a protective cover (2) is fixedly connected, characterized in that: The protective cover (2) is provided with a light adjustment mechanism, and the light adjustment mechanism includes a driving assembly, a controller and a mounting frame (3) fixedly connected to the protective cover (2); the bottom of the mounting frame (3) is rotatably connected to a dustproof cylinder (4) with a bottom opening; the driving assembly is used to drive the rotation of the dustproof cylinder (4); the mounting frame (3) is provided with a light sensor (5); the driving assembly and the light sensor (5) are both electrically connected to the controller; the interior of the dustproof cylinder (4) is provided with a lamp tube (6) fixedly connected to the mounting frame (3); a plurality of shading plates (7) distributed in a circular array are provided at the light-transmitting opening at the bottom of the lamp tube (6); the shading plates (7) are hinged to the bottom of the lamp tube (6), and a mounting seat (8) is provided on the shading plate (7); the bottom of the dustproof cylinder (4) is fixedly connected to a mounting plate (9); the mounting seat (8) is slidably connected to the mounting plate (9) at the bottom of the dustproof cylinder (4).

2. The shading device based on the lighting lamp protective cover according to claim 1 is characterized in that: A sliding rheostat (10) connected to the lighting lamp is arranged inside the lamp tube (6); a sliding plate (11) is arranged at the sliding end of the sliding rheostat (10); and the sliding plate (11) is linked to the driving component.

3. The shading device based on the lighting lamp protective cover according to claim 1 is characterized in that: The lamp tube (6) is located inside the dustproof tube (4), and an annular light-shielding ring (12) is provided at a light-transmitting portion between the lamp tube (6) and the dustproof tube (4), and the light-shielding ring (12) is fixedly connected to the bottom of the lamp tube (6), and the plurality of light-shielding plates (7) are slidably connected to the light-shielding ring (12) via a limit bearing.

4. The shading device for a lighting lamp protective cover according to claim 1, characterized in that: The mounting seat (8) is fixedly connected with an arc-shaped plate (13), and the arc-shaped plate (13) is fixedly connected to the shading plate (7) via a connecting plate.

5. The shading device for a lighting lamp protective cover according to claim 1, characterized in that: The top of the dustproof cylinder (4) is rotatably connected to the mounting frame (3), and a plurality of evenly distributed heat dissipation holes (14) are provided on the dustproof cylinder (4).

6. The shading device for a lighting lamp protective cover according to claim 1, characterized in that: The driving assembly comprises a motor (15), and the output end of the motor (15) is connected to the sliding plate (11) via a gear assembly.

7. The shading device for a lighting lamp protective cover according to claim 6, characterized in that: The gear assembly comprises two vertical plates (16) and a rotating shaft (17) arranged inside the lamp tube (6); the vertical plates (16) are fixedly connected to the lamp tube (6); two ends of the rotating shaft (17) are respectively rotatably connected to the two vertical plates (16); a first gear (18) and a second gear (19) are arranged on one of the vertical plates (16); the first gear (18) is fixedly connected to the output end of the motor (15); the first gear (18) is meshed with the second gear (19); the rotating shaft (17) is slidably connected to the sliding plate (11); two ends of the rotating shaft (17) are respectively fixedly connected to the second gear (19) and a third gear (20); the third gear (20) is meshedly connected to a fourth gear (21); the fourth gear (21) is fixedly connected to a threaded rod (22); the threaded rod (22) is threadedly connected to the sliding plate (11); and two ends of the threaded rod (22) are respectively rotatably connected to the two vertical plates (16).

8. The shading device for a lighting lamp protective cover according to claim 2, characterized in that: Two fixing seats (23) are fixedly connected inside the lamp tube (6), and two fixed ends of the sliding rheostat (10) are respectively connected to the two fixing seats (23), and the two fixing seats (23) are rotatably connected to the threaded rod (22).

9. The shading device for a lighting lamp protective cover according to claim 1, characterized in that: A plurality of flash mechanisms are arranged on the mounting frame (3), the flash mechanisms comprising a wind power generation group (24) fixed on the mounting frame (3) and a flash light (32), the wind power generation group (24) being used to supply power to the flash light (32).

10. The shading device for a lighting lamp protective cover according to claim 9, characterized in that: A rotating seat (25) and a metal rod (28) are fixedly mounted on the mounting frame (3); the rotating seat (25) is rotatably connected to a conductive rod (26); the bottom end of the conductive rod (26) is fixedly connected to a metal ball (27); the bottom end of the metal rod (28) is fixedly connected to a bottom plate (29); a metal contact (30) is arranged on one side of the bottom plate (29) close to the metal ball (27), and an electromagnet (31) is arranged on the other side; the wind power generation group (24) is used to supply power to the electromagnet (31); the metal contact (30), the conductive rod (26), the wind power generation group (24), the flash lamp (32) and the metal ball (27) are electrically connected in sequence.

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