A wind-driven lighting device based on DMX512 signal protocol

By using the DMX512 signal protocol to control the motor and LED light in the lighting device, the motor speed and lighting color change is realized, and the fan blades are driven to blow the reflector, which solves the problem of a single cycle of the existing lighting effect and realizes random and disordered lighting Refraction and reflection effects provide a new visual experience.

CN118423634BActive Publication Date: 2024-12-10SHENZHEN CHENLIANG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202410716321.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2024-12-10
Estimated Expiration
2044-06-04

AI Technical Summary

Technical Problem

The dynamic lighting effects of existing lighting products only show a single periodic repetition of cycles, lacking random changes, and the true dynamic light refraction and reflection effects cannot be achieved.

Method used

Design a wind-moving lighting device based on the DMX512 signal protocol, use the motor to drive the fan blades to blow the reflectors scattered in the cavity, and control the motor speed and LED light color and brightness through the DMX512 protocol to realize a random and disordered light source module. Light refraction and reflection effects.

Benefits of technology

The dynamically changing light refraction and reflection effects are achieved, and the changes in each frame are not repeated, providing a new visual experience.

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Abstract

The present invention discloses a wind-driven lighting device based on the DMX512 signal protocol, comprising: a lamp housing, a cavity inside the lamp housing, and a through hole for air inlet and outlet; a light source module and a motor fixed in the cavity, the output shaft of the motor is provided with a fan blade, and the motor drives the fan blade to blow air toward the light of the light source assembly; and a plurality of reflective sheets, which are scattered in the cavity and isolated from the fan blades; when in use, the light source module is powered on and started, and the starting motor drives the fan blades to blow the plurality of reflective sheets to randomly and disorderly float in the cavity, and the light of the light source module is irradiated on the randomly and disorderly floating plurality of reflective sheets to form a random and disordered light refraction and reflection effect of light emitted from the lamp housing. The wind-driven lighting device set by this scheme realizes a new light output effect that presents dynamically changing light refraction and reflection effects, and each frame of the change will not be repeated, presenting a new visual experience.
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Description

Technical Field

[0001] The invention relates to the technical field of lighting products, and in particular to a wind-driven lighting device based on a DMX512 signal protocol. Background Art

[0002] LED (Lighting Emitting Diode) is a light-emitting diode, a semiconductor solid-state light-emitting device. It uses solid semiconductor chips as light-emitting materials. In the semiconductor, excess energy is released through carrier recombination, causing photon emission, directly emitting red, yellow, blue, and green light. On this basis, the three-primary color principle is used, and phosphors are added to emit light of any color. LED is recognized by consumers for its energy saving, environmental protection, and long service life. In the field of light efficiency lighting, it is widely used in various environmental decorations, atmospheres, and stage beautification. Some existing environmental decoration and atmosphere lamps are mainly biased towards the brightness adjustment and color change of lights. The self-sensing ambient brightness adjustment is either through manual brightness or fixed and cannot be adjusted. The color change is presented by manual adjustment or control system. In terms of mechanical structure, it is usually set to drive the lamp body to rotate to achieve dynamic illumination in different directions, or to set a spherical light-transmitting lens composed of different color sheets to achieve dynamic illumination of different lighting effects. For the above types of lamps, the lighting effect is even a dynamic change process, and the change process is a periodic cycle that repeats continuously.

[0003] Therefore, those skilled in the art have proposed new technical solutions to the existing technical status, aiming to change the existing lighting products in which the dynamic lighting effects produced by them are only a single periodic repetition, and to achieve the lighting effects presented by continuously and randomly generating different light refraction and reflection angles. Summary of the invention

[0004] The purpose of this application is to propose a wind-driven lighting device based on the DMX512 signal protocol to solve the problem that the dynamic effect of existing lighting products is only a single periodic and repeated lighting effect.

[0005] The technical solution disclosed in the present invention is a wind-driven lighting device based on the DMX512 signal protocol, comprising:

[0006] A lamp housing, wherein the interior of the lamp housing is a cavity and is provided with through holes for air inlet and outlet;

[0007] A light source module is fixedly arranged in the cavity, and the light source module is connected to a power source;

[0008] A motor is fixed in the cavity, the motor is connected to a power source, the output shaft of the motor is provided with a fan blade, and the motor drives the fan blade to blow air toward the light of the light source assembly; and,

[0009] A plurality of reflective sheets, wherein the plurality of reflective sheets are scattered in the cavity and isolated from the fan blades;

[0010] The light source module is powered on and started, and the starting motor drives the fan blades to blow a number of reflective sheets to float randomly and disorderly in the cavity. The light of the light source module shines on the randomly and disorderly floating reflective sheets to form a random and disorderly light refraction and reflection effect, and the light is emitted from the lamp housing.

[0011] Preferably, the lamp housing is in the shape of an elongated cylindrical tube as a whole, and the light source module includes a control board and at least one strip-shaped LED light board, and the control board is electrically connected to the LED light board and the motor.

[0012] Furthermore, the control board receives an external DMX512 protocol control signal, and the control board is provided with a microprocessor to process the control signal and output one path for controlling the change of the motor speed, and the other path for controlling the change of the LED color and brightness of the LED light board.

[0013] Preferably, the lamp housing includes a first tube body which is hollow and open at both ends, and a first plug and a second plug are respectively provided at both ends of the first tube body. The first tube body is made of a light-transmitting material, and the LED light board is arranged in the first tube body along the central axis of the first tube body. The control board and the motor are arranged at one end of the first tube body, and a through hole for air inlet and outlet is arranged on the first plug or the second plug.

[0014] Further, a second tube body coaxial with the first tube body is provided inside the first tube body, the second tube body is made of a light-transmitting material, the LED light board is arranged inside the second tube body along the central axis of the second tube body, the inner wall of the first tube body and the outer wall of the second tube body form an outer cavity, the second tube body is an inner cavity, and the plurality of reflective sheets are placed inside the outer cavity;

[0015] The inner chamber and the outer chamber form an inner-outer circulation air duct structure. The wind blown out by the fan blades driven by the motor is blown from the inner chamber to the outer chamber, and then blown from the inner chamber to the outer chamber, in this cycle, blowing a plurality of reflective sheets to float randomly and disorderly in the outer chamber.

[0016] Preferably, the internal and external circulation air duct structure is:

[0017] The motor housing is provided with a motor housing, and the structure of the motor housing includes a coaxial outer wall and an inner wall in a hollow cylindrical shape, a gap is formed between the outer wall and the inner wall for air intake, and a connecting rib connecting the inner wall and the outer wall is provided in the gap;

[0018] The motor housing is provided with a first fixing part, the structure of which includes a hollow tube body and a first flange disk portion formed near the middle of the outer wall of the hollow tube body, the first flange disk portion is provided with a number of through holes that reflective sheets cannot pass through, the front end and the fan blades of the motor are integrally sleeved in the rear end of the hollow tube body, the front end of the hollow tube body is sleeved on one end of the second tube body, and the edge of the first flange disk portion is tightly connected to the inner wall of the end of the first tube body.

[0019] Furthermore, a second fixing part is provided at a port of the second tube body away from the motor, and the second fixing part structure includes a convex ring body and a second flange disk portion formed at a ring mouth of the convex ring body, and the second flange disk portion is provided with a plurality of through holes through which the reflective sheet cannot pass, and the convex ring body is sleeved on the port of the second tube body, and the edge of the second flange disk portion is tightly connected with the inner wall of the end portion of the first tube body, and a distance is left between the rear side of the second flange disk portion and the port of the first tube body to form a return air chamber.

[0020] Furthermore, the hollow tube body and the convex ring body are both provided with a light board fixing bracket, and the light board fixing bracket structure is an integrally formed connecting rib bracket, a threaded hole is provided in the center of the connecting rib bracket, and a light board fixing part connected by screws is provided on the inner side of the threaded hole. The light board fixing part is a cylindrical body, and a groove for plugging in the end of the LED light board is provided on the cylindrical body, and a threaded through hole is provided along the center axis of the cylindrical body.

[0021] Preferably, the inner wall of the hollow tube body is provided with an inner groove channel protruding outward along the axial direction, and the inner groove channel is used for air intake.

[0022] Preferably, the LED light board is provided with a plurality of LED light particles spaced apart on the top and bottom surfaces of the light board.

[0023] The beneficial effects of the present invention are as follows: through the wind-driven lighting device provided by the present solution, a new lighting output device showing dynamically changing light refraction and reflection effects is realized. Based on the DMX512 signal protocol, the motor speed and the color and brightness of the LED light are changed, and dynamically changing winds of different sizes are output to blow to a number of light-emitting sheets scattered inside the device, so that a number of reflective sheets float randomly and disorderly inside, so that the lights refracted and reflected by the reflective sheets also change randomly and disorderly, and each frame of the change will not be repeated, presenting a new visual experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure decomposition of an embodiment of the present invention.

[0025] Figure 2 It is a schematic diagram of the overall assembly structure of an embodiment of the present invention.

[0026] Figure 3 Schematic diagram of the motor and motor casing structure according to an embodiment of the present invention.

[0027] Figure 4 It is a front schematic diagram of the first fixing member structure according to an embodiment of the present invention.

[0028] Figure 5 It is a schematic diagram of the rear side of the first fixing member structure according to an embodiment of the present invention.

[0029] Figure 6 Schematic diagram of the structure of the second fixing member according to an embodiment of the present invention.

[0030] Figure 7 Schematic diagram of the structure of the lamp panel fixing member according to an embodiment of the present invention.

[0031] Figure 8 It is a cross-sectional view of the overall structure of an embodiment of the present invention.

[0032] Fig. 9 Schematic diagram of wind flow direction of the internal and external circulation air duct structure of an embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] It should also be noted that the directional terms such as left, right, up and down in the embodiments of the present application are merely relative concepts or are based on the normal use status of the product, and should not be considered as restrictive.

[0036] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0040] The embodiment of the present application discloses a wind-driven lighting device based on the DMX512 signal protocol.

[0041] Please refer to Figures 1 to 9 A wind-driven lighting device based on the DMX512 signal protocol comprises: a lamp housing 1, wherein the lamp housing 1 has a cavity, and the lamp housing 1 is provided with a through hole 100 for air inlet and outlet; a light source module 2, which is fixed in the cavity and connected to a power source; a motor 3, which is fixed in the cavity and connected to a power source, and an output shaft of the motor 3 is provided with a fan blade 4, and the motor 3 drives the fan blade 4 to blow air toward the light of the light source assembly; and a plurality of reflective sheets 5, wherein the plurality of reflective sheets 5 are scattered in the cavity and isolated from the fan blade 4; wherein the light source module is powered on and started, and the starting motor 3 drives the fan blade 4 to blow the plurality of reflective sheets 5 to randomly and disorderly float in the cavity, and the light of the light source module is irradiated on the randomly and disorderly floating plurality of reflective sheets 5 to form a random and disorderly light refraction, and the light with a reflection effect is emitted from the lamp housing 1.

[0042] The technical solution of this application realizes a new lighting output device that presents dynamically changing light refraction and reflection effects. Based on the DMX512 signal protocol, the motor speed and the color and brightness of the LED light are changed, and dynamically changing winds of different sizes are output to blow to a number of light-emitting sheets scattered inside the device, so that a number of reflective sheets float randomly and disorderly inside, so that the light refracted and reflected by the reflective sheets also changes randomly and disorderly, and each frame of the change will not be repeated, presenting a new visual experience.

[0043] The DMX512 protocol is an existing data dimming protocol proposed by the American Stage Lighting Association. The protocol specifies a protocol standard for communication between a lighting controller and lighting equipment. It divides the light level from 0 to 100% into 256 levels, and the control system can achieve 256 gray levels for R, G, B, and W, truly achieving full color. It is also an existing technology to control the change of motor speed based on the DMX512 protocol. Its main principle is to receive the DMX512 protocol signal, analyze and process it through a microprocessor, and output the control motor signal instruction. Its purpose is that in this solution, in order to achieve a better effect, the speed of the motor changes dynamically, so that the output wind force also changes dynamically.

[0044] As a preferred implementation scheme, in the embodiment, the lamp housing 1 is in the shape of an elongated cylindrical tube as a whole, and the light source module 2 includes a control board 21 and at least one strip-shaped LED light board 22, and the control board 21 is electrically connected to the LED light board 22 and the motor 3.

[0045] Furthermore, the control board 21 receives an external DMX512 protocol control signal, and the control board 21 is provided with a microprocessor to process the control signal and output one path to control the change of the speed of the motor 3 and the other path to control the change of the LED color and brightness of the LED light board 22 .

[0046] In some embodiments, the lamp housing 1 includes a first tube body 11 that is hollow and open at both ends, a first plug 12 and a second plug 13 respectively provided at both ends of the first tube body 11, the first tube body 11 is made of a light-transmitting material, the LED light board 22 is arranged in the first tube body 11 along the central axis of the first tube body 11, the control board 21 and the motor 3 are arranged at one end of the first tube body 11, and a through hole 101 for air inlet and outlet is provided on the first plug 12 or the second plug 13.

[0047] As a preference, in some embodiments, a second tube body 14 coaxial with the first tube body 11 is provided in the first tube body 11, the second tube body 14 is made of a light-transmitting material, the LED light board 22 is arranged in the second tube body 14 along the central axis thereof, the inner wall of the first tube body 11 and the outer wall of the second tube body 14 form an outer chamber b, the second tube body 14 is an inner chamber a, and the plurality of reflectors 5 are placed in the outer chamber b. The inner chamber a and the outer chamber b form an inner and outer circulation air duct structure, the motor 3 drives the fan blades 4 to blow out the wind from the inner chamber a to the outer chamber b, and then from the inner chamber a to the outer chamber b, in this cycle, blowing the plurality of reflectors 5 to float randomly and disorderly in the outer chamber.

[0048] Preferably, the internal and external circulation air duct structure is:

[0049] Reference Figure 3 The motor 3 is provided with a motor casing 6, and the structure of the motor casing 6 includes a coaxial and hollow cylindrical outer wall 61 and an inner wall 62, a gap 601 is formed between the outer wall 61 and the inner wall 62 for air intake, and a connecting rib 63 connecting the inner wall 62 and the outer wall 61 is provided in the gap 601.

[0050] Reference Figure 4 , Figure 5 , Figure 8 The motor housing 6 is provided with a first fixing member 7, the structure of the first fixing member 7 includes a hollow tube body 71 and a first flange disk portion 72 formed near the middle of the outer wall of the hollow tube body 71, the first flange disk portion 72 is provided with a plurality of through holes through which the reflective sheet 5 cannot pass, the front end of the motor 3 and the fan blade 4 are integrally sleeved in the rear end of the hollow tube body 71, the front end of the hollow tube body 71 is sleeved with one end of the second tube body 14, and the edge of the first flange disk portion 72 is tightly connected to the inner wall of the end of the first tube body 11.

[0051] Reference Figure 6 , Figure 8 , Fig. 9 A second fixing member 8 is provided at a port of the second tube body 14 away from the motor 3. The second fixing member 8 includes a convex ring body 81 and a second flange disk portion 82 formed at a ring opening of the convex ring body 81. The second flange disk portion 82 is provided with a plurality of through holes through which the reflective sheet 5 cannot pass. The convex ring body 81 is sleeved on the port of the second tube body 14. The edge of the second flange disk portion 82 is tightly connected with the inner wall of the end of the first tube body 11. A distance is left between the rear side of the second flange disk portion 82 and the port of the first tube body 11 to form a return air chamber c.

[0052] Reference Fig. 9The wind blown out by the fan blades 4 driven by the motor 3 is blown out from the inner chamber a, and the wind passes through the port of the second tube body 14 to the return air chamber c. The rear side of the return air chamber c is the second plug 13. The wind returns from the inner wall of the second plug 13 through the several through holes of the second flange disk portion 82 and enters the outer chamber b. The wind blows the several reflective sheets 5 to float randomly and disorderly. The wind then passes through the several through holes of the first flange disk portion 72 and then enters the bottom pore 601 of the motor casing 6. At the same time, the wind is driven by the fan blades 4 to blow out to the inner chamber a to the return air chamber c, and then to the outer chamber b. This cycle blows the several reflective sheets 5 to float randomly and disorderly in the outer chamber.

[0053] By implementing the internal and external circulation air duct as described above, on the one hand, the plurality of reflectors 5 are isolated from the fan 4 and the LED light board 22. The plurality of reflectors 5 are isolated from the LED light board 22 by the second tube body 14, and an isolated distance is maintained from the illumination direction of the light, so that the light is better reflected and refracted by the plurality of reflectors 5. On the other hand, the wind drives the fan blades 4 through the motor 3 to blow toward the LED light board 22 installed in the second tube body 14, which is beneficial to the heat dissipation of the LED light board 22 and prolongs the service life of the LED light board 22.

[0054] Reference Figure 4 , Figure 6 , Figure 7 , Figure 8 As a solution for fixing and installing the LED light board 22, a light board fixing bracket 9 is provided in the hollow tube body 71 and the convex ring body 81. The light board fixing bracket 9 is an integrally formed connecting rib bracket. A threaded hole 91 is provided at the center of the connecting rib bracket. A light board fixing part 10 connected by screws is provided inside the threaded hole 91. The light board fixing part 10 is a cylindrical body. A notch 101 for plugging the end of the LED light board 22 is provided on the cylindrical body. A threaded through hole 102 is provided along the central axis of the cylindrical body. The light board fixing part 10 is preferably made of hardware material, and the hardware material has good strength.

[0055] Reference Figure 1 , Figure 3 , Figure 5 , Figure 8 , Fig. 9 In some embodiments, preferably, the inner wall of the hollow tube 71 is provided with an inner groove channel 711 protruding outward along the axial direction, and the inner groove channel 711 is used for air intake. On the basis of air intake through the aperture 601 of the motor casing 6, adding the inner groove channel 711 of the first fixing member 7 for air intake can solve the problems of noise and blade deformation caused by too small air inlet at high speed.

[0056] As a preferred solution, in the above embodiment, the LED light board 22 is preferably provided with a plurality of spaced LED light grains on the top and bottom surfaces of the light board, so that light can be emitted on both sides of the LED light board 22. Of course, if the radius of the first tube body 11 and the second tube body 14 are both relatively large, multiple LED light boards 22 can be arranged to form a cylindrical shape, and in this case, a light board with LED light grains on one side can be used.

[0057] The first tube body 11 and the second tube body 14 described in the above technical solution are made of light-transmitting materials, and the light-transmitting materials can be glass, acrylic, transparent plastic, etc.

[0058] The reflective sheets 5 described in the above technical solution can be made of plastic sheets with laser reflective surfaces, or lightweight polyhedrons with reflective surfaces (such as diamond surfaces), etc. The reflective surfaces can be of a single color or a variety of different colors, and can be made of other materials such as plastic or acrylic.

[0059] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A wind-driven lighting device based on the DMX512 signal protocol, characterized in that: include: A lamp housing (1), wherein the interior of the lamp housing (1) is a cavity, and the lamp housing (1) is provided with a through hole (100) for air inlet and outlet; a light source module (2), fixedly arranged in the cavity, and the light source module (2) is connected to a power source; a motor (3), fixedly arranged in the cavity, and the motor (3) is connected to a power source, and the output shaft of the motor (3) is provided with a fan blade (4), and the motor (3) drives the fan blade (4) to blow air toward the light of the light source assembly; and a plurality of reflective sheets (5), and the plurality of reflective sheets (5) are scattered in the cavity and isolated from the fan blade (4); The lamp housing (1) is in the shape of a long cylindrical tube as a whole, the light source module (2) comprises a control board (21) and at least one strip-shaped LED light board (22), and the control board (21) is electrically connected to the LED light board (22) and the motor (3); The lamp housing (1) comprises a first tube body (11) which is hollow and has openings at both ends, a first plug (12) and a second plug (13) respectively provided at both ends of the first tube body (11); the first tube body (11) is made of a light-transmitting material; the LED lamp board (22) is arranged in the first tube body (11) along the central axis of the first tube body (11); the control board (21) and the motor (3) are arranged at one end of the first tube body (11); and a through hole (100) for air inlet and outlet is provided on the first plug (12) or the second plug (13); A second tube body (14) coaxial with the first tube body (11) is provided inside the first tube body (11); the second tube body (14) is made of a light-transmitting material; the LED light panel (22) is arranged inside the second tube body (14) along the central axis of the second tube body (14); the inner wall of the first tube body (11) and the outer wall of the second tube body (14) form an outer chamber (b); the second tube body (14) is an inner chamber (a); and the plurality of reflective sheets (5) are arranged in the outer chamber (b); The inner chamber (a) and the outer chamber (b) form an inner and outer circulation air duct structure, and the motor (3) drives the fan blades (4) to blow out wind from the inner chamber (a) to the outer chamber (b), and then blows out from the inner chamber (a) to the outer chamber (b), and in this way, a plurality of reflective sheets (5) are blown randomly and disorderly in the outer chamber (b).

2. The wind-driven lighting device based on the DMX512 signal protocol according to claim 1 is characterized in that: The control board (21) receives an external DMX512 protocol control signal. The control board (21) is provided with a microprocessor to process the control signal and output one path for controlling the change of the rotation speed of the motor (3) and another path for controlling the change of the LED color and brightness of the LED light board (22).

3. The wind-driven lighting device based on the DMX512 signal protocol according to claim 1 is characterized in that: The internal and external circulation air duct structure is: The motor (3) is provided with a motor casing (6) on its outer shell, the structure of the motor casing (6) comprising a coaxial outer wall (61) and an inner wall (62) in the shape of a hollow column, a gap (601) is formed between the outer wall (61) and the inner wall (62) for air intake, and a connecting rib (63) connecting the inner wall (62) and the outer wall (61) is provided in the gap (601); The motor housing (6) is provided with a first fixing member (7) on its outer surface. The structure of the first fixing member (7) includes a hollow tube body (71) and a first flange plate portion (72) formed near the middle of the outer wall of the hollow tube body (71). The first flange plate portion (72) is provided with a plurality of through holes through which the reflective sheet (5) cannot pass. The front end of the motor (3) and the fan blades (4) are integrally sleeved in the rear end of the hollow tube body (71). The front end of the hollow tube body (71) is sleeved on one end of the second tube body (14). The edge of the first flange plate portion (72) is tightly connected to the inner wall of the end of the first tube body (11).

4. The wind-driven lighting device based on the DMX512 signal protocol according to claim 3 is characterized in that: A second fixing member (8) is provided at an end of the second tube body (14) away from the motor (3); the second fixing member (8) structure comprises a convex ring body (81) and a second flange disk portion (82) formed at a ring opening of the convex ring body (81); the second flange disk portion (82) is provided with a plurality of through holes through which the reflective sheet (5) cannot pass; the convex ring body (81) is sleeved at the end of the second tube body (14); the edge of the second flange disk portion (82) is tightly connected to the inner wall of the end of the first tube body (11); a distance is left between the rear side of the second flange disk portion (82) and the end of the first tube body (11) to form a return air chamber (c).

5. The wind-driven lighting device based on the DMX512 signal protocol according to claim 4 is characterized in that: The hollow tube body (71) and the convex ring body (81) are both provided with a light board fixing bracket (9), and the structure of the light board fixing bracket (9) is an integrally formed connecting rib bracket, and a threaded hole (91) is provided at the center of the connecting rib bracket, and a light board fixing part (10) connected by screws is provided on the inner side of the threaded hole (91), and the light board fixing part (10) is a cylindrical body, and a notch (101) is provided on the cylindrical body for plugging in the end of the LED light board (22), and a threaded through hole (102) is provided along the central axis of the cylindrical body.

6. The wind-driven lighting device based on the DMX512 signal protocol according to claim 3 is characterized in that: The inner wall of the hollow tube body (71) is provided with an inner groove channel (711) protruding outward along the axial direction, and the inner groove channel (711) is used for air intake.

7. The wind-driven lighting device based on the DMX512 signal protocol according to any one of claims 1 to 6, characterized in that: The LED light board (22) has a top surface and a bottom surface thereof both provided with a plurality of LED light particles distributed at intervals.