Heat dissipation system, heat dissipation structure and stage lamp thereof
By using a cooling system with air ducts and branched air outlets, combined with a turbine fan and fin assembly, the problem of large size and wasted space in stage light heat sinks has been solved, achieving efficient heat dissipation and a compact lamp body design.
Patent Information
- Application Number
- CN202520366215.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-04
AI Technical Summary
The heat sinks of existing stage lights are large and cannot simultaneously meet the requirements of high power and the size of the optical path and the lamp, resulting in wasted installation space.
Design a cooling system with an air duct arranged from top to bottom, combined with a turbine fan and a branched air outlet. The air duct is composed of a plate and a cover. The light source is housed in the cavity and combined with the first and second heat dissipation fin groups. The fin groups are arranged around the periphery of the light source housing cavity and are connected to the heat conduction plate for heat transfer.
It effectively saves space, ensures a continuous flow of cool air into the light source cavity, improves heat dissipation efficiency, prevents the LED beads from overheating, reduces the size of the lamp body, and meets the requirements of optical path design.
Smart Images
Figure CN223807159U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of stage light, in particular to a heat dissipation system, a heat dissipation structure and a stage light thereof. BACKGROUND
[0002] The stage light often uses LED lamp beads as lighting elements, and the lamp beads are often arranged in a flat plate. With the upgrading of the lighting brightness demand of the stage scenery, the power of the LED light emitter in the stage light is getting larger and larger. In order to ensure the normal work of the LED light emitter, how to design an efficient heat dissipation scheme has always been a technical problem faced by the industry.
[0003] With the increasing power of the lamp, the volume of the heat sink also increases. However, considering that the lamp needs to meet the design conditions of light path, size, etc., the large-size heat sink can meet the requirement of high power, but cannot meet the requirements of light path and lamp size. Therefore, it is necessary to design a heat dissipation system that can effectively save installation space and meet the heat dissipation effect, which has become a technical problem to be solved. SUMMARY
[0004] To solve one of the above technical problems, the present application provides a heat dissipation system, a heat dissipation structure and a stage light thereof, which can effectively save space and meet the requirement of high-efficiency heat dissipation.
[0005] To solve the above technical problems, the present application provides the following technical solutions:
[0006] The present application provides a heat dissipation system, a heat dissipation structure and a stage light thereof, which comprises a lamp body, a light source containing cavity for placing a light source is arranged in the lamp body, the light source containing cavity has a light outlet for the light source to emit light, a wind guide pipe is arranged in the lamp body from top to bottom, the wind guide pipe has an air inlet and an air outlet, a wind driving piece is arranged above the wind guide pipe, the wind driving piece has a suction port and a blowing port, the blowing port of the wind driving piece is in communication with the air inlet of the wind guide pipe, and the air outlet is arranged in the light source containing cavity.
[0007] Further limited, the wind guide pipe is mainly composed of a plate piece, a first cover piece and a second cover piece, the plate piece comprises a vertical segment plate part and a horizontal segment plate part connected with each other, one side plate surface of the vertical segment plate part is fixedly connected with the first cover piece to form a first air duct, one side plate surface of the horizontal segment plate part is fixedly connected with the second cover piece to form a second air duct, and the channel of the wind guide pipe is composed of the first air duct and the second air duct in communication with each other.
[0008] Further limited, the second air duct is bifurcated to form a plurality of air guide ports, and the air outlet is composed of a plurality of air guide ports.
[0009] Further limited, the lamp body is provided with a fixed plate, the light outlet is opened on the fixed plate, the lower end of the fixed plate is fixedly connected with an annular surrounding edge arranged around the light outlet, and the light source containing cavity is formed by the annular surrounding edge.
[0010] Further limited, further comprising a heat sink for providing heat dissipation for the light source, a lower opening of the light source containing cavity is arranged in communication with the light outlet, the heat sink comprises a heat conduction plate sealingly connected with the lower end of the light source containing cavity and closing the lower opening, and the light source is fixedly arranged on the heat conduction plate.
[0011] Further limited, the heat sink comprises a first heat dissipation fin group and a plurality of heat conduction pipes, the first heat dissipation fin group is in heat transfer connection with the upper part of the heat conduction plate through the plurality of heat conduction pipes, and a containing groove for containing the light source containing cavity is formed in the middle part of the first heat dissipation fin group.
[0012] Further limited, the first heat dissipation fin group is mainly formed by a plurality of first fins stacked in the up-down direction, and adjacent first fins are arranged at intervals to form first gap air channels, each edge corner of each first fin is provided with a first flange, adjacent first flanges form first air guide walls after being stacked, first air inlet heat dissipation openings are formed between left adjacent first air guide walls and between right adjacent first air guide walls, first air outlet heat dissipation openings are formed between front adjacent first air guide walls and between rear adjacent first air guide walls, and the first air inlet heat dissipation openings are communicated with the first air outlet heat dissipation openings through the first gap air channels.
[0013] Further limited, the heat sink comprises a second heat dissipation fin group and a plurality of heat conduction pipes, and the second heat dissipation fin group is in heat transfer connection with the lower part of the heat conduction plate through the plurality of heat conduction pipes.
[0014] Further limited, the second heat dissipation fin group is mainly formed by a plurality of second fins stacked in the left-right direction, and adjacent second fins are arranged at intervals to form second gap air channels, a first notch is cut in the middle position of the bottom of each second fin, first protruding blocks are formed on both sides of the first notch of the bottom of the second fin, second flanges are formed by folding the edges of the first protruding blocks, adjacent second flanges form second air guide walls after being stacked, and a second air inlet heat dissipation opening is formed between adjacent two second air guide walls.
[0015] Further limited, the edges of the first protruding blocks include lower side edges, front side edges and rear side edges, and the lower side edges, the front side edges and the rear side edges are all provided with the second flanges.
[0016] Further limited to, the first gap can form a first notch groove for the heat dissipation fan to be arranged after all the second fins are stacked.
[0017] Further limited to, a second gap is cut in the middle of each of the second fin top, so that the second fin top forms a second protruding block on both sides of the second gap, the edge of the second protruding block is folded to form a third flange, adjacent third flanges form a third air guide wall after stacking, and a second air outlet is formed between the second air guide wall and the third air guide wall on the same side.
[0018] Further limited to, the edge of the second protruding block includes an upper side edge, and the third flange is arranged on the upper side edge.
[0019] Further limited to, the second gap can form a second notch groove for the heat guide plate to be arranged after all the second fins are stacked.
[0020] After adopting the technical scheme, the application has at least the following beneficial effects:
[0021] 1. The air guide pipeline is arranged from top to bottom, which not only saves space, but also guides cold air to flow into the light source containing cavity, so that the hot air generated by the light source during work is discharged from the light source containing cavity, preventing the temperature in the cavity from being too high to cause the lamp bead to burn out.
[0022] 2. The light body is provided with a fixed plate fixedly connected with the shell of the light body, the light outlet is provided on the fixed plate, the lower end of the fixed plate is fixedly connected with an annular surrounding edge arranged around the light outlet, and the light source containing cavity is formed by the annular surrounding edge. Compared with the prior art that the light source is mounted on the fixed plate, the light source of the application is arranged in the light source containing cavity, which meets the light path design requirement and effectively reduces the volume of the light body.
[0023] 3. The middle of the first heat dissipation fin group is provided with a containing groove for containing the light source containing cavity, that is, the first heat dissipation fin group is arranged around the periphery of the light source containing cavity, which meets the heat dissipation requirement and further saves the installation space of the heat sink and reduces the volume of the light body. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structure diagram of a heat dissipation system;
[0025] Figure 2 is one of the exploded views of the structure of the heat dissipation system;
[0026] Figure 3 is the second exploded view of the structure of the heat dissipation system;
[0027] Figure 4 is a sectional view of the heat dissipation system structure;
[0028] Figure 5 is a structural view of the first heat dissipation fin group;
[0029] Figure 6 is a structural view of the second heat dissipation fin group;
[0030] Figure 7 is a structural view of the second heat dissipation fin group. DETAILED DESCRIPTION
[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, and the present application will be further described in detail below in combination with the drawings and specific embodiments.
[0032] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0033] As shown in FIGS. 1 and 2, Figure 1 and FIGS. 3 and 4, Figure 2 The present application provides a heat dissipation system, a heat dissipation structure and a stage lamp thereof, comprising a lamp body 1, a light source containing cavity 10 for placing a light emitting source 2 is arranged in the lamp body 1, the light source containing cavity 10 has a light outlet for the light emitting source 2 to emit light, a wind guide pipe 3 is arranged in the lamp body 1 from top to bottom, the wind guide pipe 3 has an air inlet 3a and an air outlet 3b, a wind driving piece 4 is arranged above the wind guide pipe 3, the type of the wind driving piece 4 is a turbine fan, the wind driving piece 4 has a suction port and a blowing port, the blowing port of the wind driving piece 4 is in communication with the air inlet 3a of the wind guide pipe 3, and the air outlet 3b is arranged in the light source containing cavity 10.
[0034] Specifically, the number of turbine fans can be one or more; in the present embodiment, two turbine fans are arranged side by side, and the blowing ports of the two turbine fans are in communication with the air inlet 3a of the wind guide pipe 3, and the suction port of one turbine fan and the suction port of the other turbine fan are arranged in opposite directions, i.e. one suction port faces left and the other suction port faces right, so as to maximize the intake of cold air.
[0035] The air guide pipe 3 is arranged from top to bottom, which not only saves space, but also guides cold air to flow into the light source containing cavity 10 continuously, so as to force the hot air generated by the light source 2 to flow out of the light source containing cavity 10, thereby preventing the light bead from being burned due to high temperature in the cavity.
[0036] As shown in the accompanying drawings, Figure 3 The air guide pipe 3 is mainly composed of a plate member 31, a first cover member 32 and a second cover member 33. The plate member 31 includes a vertical segment plate part 311 and a horizontal segment plate part 312 connected with each other, so that the plate member 31 forms an "L" shape. The plate member 31 in this shape can play a role of avoiding position and saving internal space. Other components (such as cutting assembly, pattern assembly, etc.) can be installed in the lamp body 1, so that the internal structure is more compact.
[0037] As shown in the accompanying drawings, Figure 4 One side of the vertical segment plate part 311 is fixedly connected with the first cover member 32 to form a first air duct 300. One side of the horizontal segment plate part 312 is fixedly connected with the second cover member 33 to form a second air duct 301. The channel 302 of the air guide pipe 3 is composed of the first air duct 300 and the second air duct 301 connected with each other. The first air duct 300 is formed by splicing the first cover member 32 and the plate member 31. The second air duct 301 is formed by splicing the first cover member 32 and the plate member 31, so as to quickly assemble the air guide pipe 3.
[0038] As shown in the accompanying drawings, Figure 3 and the accompanying drawings, Figure 4 The second air duct 301 is bifurcated to form a plurality of air guide openings. The air outlet 3b is composed of a plurality of air guide openings. Specifically, two air guide openings are provided. Therefore, the airflow in the air guide pipe 3 flows into the light source containing cavity 10 along the two air guide openings, so that the cold air can flow into the light source containing cavity 10 from different directions, and the exchange efficiency of cold and hot air in the light source containing cavity 10 is improved, thereby improving the heat dissipation efficiency of the light source 2.
[0039] As shown in the accompanying drawings, Figure 2 The lamp body 1 is provided with a fixed plate 11 fixedly connected with the shell of the lamp body 1. The light outlet is provided on the fixed plate 11. The lower end of the fixed plate 11 is fixedly connected with an annular surrounding edge 12 arranged around the light outlet. The light source containing cavity 10 is composed of the annular surrounding edge 12. Compared with the prior art that the light source 2 is installed on the fixed plate 11, the light source of the present application is arranged in the light source containing cavity 10, which meets the requirements of light path design and effectively reduces the volume of the lamp body 1.
[0040] As shown in the accompanying drawings, Figure 4As shown, the heat dissipation system further comprises a heat sink 5 for providing heat dissipation for the light source 2, the lower end of the light source accommodating cavity 10 is provided with a lower opening communicated with the light outlet, the heat sink 5 comprises a heat conducting plate 51 sealingly connected with the lower end of the light source accommodating cavity 10 and closing the lower opening, the light source 2 is fixedly arranged on the heat conducting plate 51, the heat conducting plate 51 can exchange heat with the light source 2, which is beneficial to heat dissipation; the heat conducting plate 51 can also seal the lower opening of the light source accommodating cavity 10, so as to play a role of waterproof and dustproof.
[0041] As shown in the accompanying drawings Figure 4 As shown, the heat sink 5 comprises a first heat dissipation fin group 52 and a plurality of heat conducting pipes 53, the first heat dissipation fin group 52 is connected with the upper part of the heat conducting plate 51 through the plurality of heat conducting pipes 53, the middle part of the first heat dissipation fin group 52 is provided with an accommodating groove 101 for accommodating the light source accommodating cavity 10, that is, the first heat dissipation fin group 52 is arranged around the periphery of the light source accommodating cavity 10, which can meet the heat dissipation requirement while further saving the installation space of the heat sink 5 and reducing the volume of the lamp body 1.
[0042] As shown in the accompanying drawings Figure 5 As shown, the first heat dissipation fin group 52 is mainly composed of a plurality of first fins 521 stacked in the up-down direction, and adjacent first fins 521 are arranged in a spaced manner to form first gap air channels 522, the first fins 521 are in a rectangular shape, each of the first fins 521 is provided with a first flange 523 at each corner of the edge, and adjacent first flanges 523 form first air guide walls 524 after being stacked, first air inlet heat dissipation openings 525 are formed between left adjacent first air guide walls 524 and between right adjacent first air guide walls 524, and first air outlet heat dissipation openings 526 are formed between front adjacent first air guide walls 524 and between rear adjacent first air guide walls 524, the first air inlet heat dissipation openings 525 are communicated with the first air outlet heat dissipation openings 526 through the first gap air channels 522.
[0043] Specifically, heat dissipation fans are installed on both sides of the first heat dissipation fin group 52 at the first air inlet heat dissipation openings 525, the first air guide walls 524 make the caliber of the first air inlet heat dissipation openings 525 and the first air outlet heat dissipation openings 526 clear, the first air guide walls 524 are beneficial to guiding the airflow driven by the heat dissipation fans to pass through the first air inlet heat dissipation openings 525, the first gap air channels 522 and the first air outlet heat dissipation openings 526 in sequence, preventing the airflow entering from the first air inlet heat dissipation openings 525 and the airflow out of the first air outlet heat dissipation openings 526 from producing mixed flow at the corner intersections of the first heat dissipation fin group 52, which affects the heat dissipation efficiency.
[0044] As shown in the accompanying drawings Figure 6 and the accompanying drawings Figure 7As shown, the heat sink 5 includes a second heat dissipation fin group 54 and a plurality of heat conduction pipes 53, the second heat dissipation fin group 54 is connected to the lower part of the heat conduction plate 51 through the plurality of heat conduction pipes 53, the second heat dissipation fin group 54 is mainly composed of a plurality of second fins 541 stacked in the left-right direction, adjacent second fins 541 are arranged in a spaced manner to form a second gap air channel 542, a first notch 543 is cut in the middle of the bottom of each second fin 541, so that the bottom of the second fin 541 forms a first protruding block 544 on both sides of the first notch 543, after stacking all the second fins 541, the first notch 543 can form a first notch groove 540 for the heat dissipation fan to be arranged, which facilitates the installation of the heat dissipation fan and drives cold air to enter the second gap air channel 542 from the second air inlet heat dissipation port 547.
[0045] As shown in the accompanying drawings Figure 6 and the accompanying drawings Figure 7 As shown, the edge of the first protruding block 544 is folded to form a second folded edge 545, so that adjacent second folded edges 545 form a second air guide wall 546 after stacking, a second air inlet heat dissipation port 547 is formed between adjacent two second air guide walls 546, the second air guide wall 546 not only plays a blocking role, but also plays a guiding role, that is, first, the second air guide wall 546 can effectively block cold air from entering the gap on both sides of the first notch groove 540, so that the cold air driven by the heat dissipation fan is more concentrated in the second air inlet heat dissipation port 547 in the first notch groove 540, second, after the cold air enters the second gap air channel 542 for heat exchange, the second air guide wall 546 can also guide the hot air in the second gap air channel 542 to flow out of the second air outlet heat dissipation port 5461, thereby effectively preventing the mixing of cold and hot air at the junction of both sides of the first notch groove 540.
[0046] As shown in the accompanying drawings Figure 6 and the accompanying drawings Figure 7 As shown, the edge of the first protruding block 544 includes a lower side edge 5441, a front side edge 5442 and a rear side edge 5443, the lower side edge 5441, the front side edge 5442 and the rear side edge 5443 are all provided with the second folded edge 545, in addition to the flow guiding effect of the second folded edge 545 of the lower side edge 5441 and the rear side edge 5443 in the second gap air channel 542, the second folded edge 545 can also block gas from entering the second gap air channel 542 from these positions, so that the cold gas driven by the heat dissipation fan is concentrated in the second air inlet heat dissipation port 547; in addition, the second folded edge 545 of the front side edge 5442 can guide the gas to flow upward, so that more gas can be exchanged with the heat conduction plate 51 and the heat conduction pipe 53, thereby improving the heat exchange efficiency.
[0047] As shown in the accompanying drawings Figure 6 and the accompanying drawings Figure 7As shown, a second notch 548 is cut at the middle position of the top of each second fin 541, so that a second protrusion 549 is formed on both sides of the second notch 548 on the top of the second fin 541. After all the second fins 541 are stacked, the second notch 548 can form a second recessed groove 5401 for the placement of the heat conduction plate 51, which is beneficial for the heat conduction plate 51 to fully contact the second heat dissipation fin group 54.
[0048] As attached Figure 6 and attached Figure 7 As shown, the edge of the second protrusion 549 is folded to form a third flange 5491. The edge of the second protrusion 549 includes an upper edge 5490, and the third flange 5491 is provided on the upper edge 5490. Adjacent third flanges 5491 are stacked to form a third air guide wall 5492. A second air outlet 5461 is formed between the second air guide wall 546 and the third air guide wall 5492 on the same side. The second air inlet 547 communicates with the second air outlet 5461 through a second gap air duct 542. The third air guide wall 5492 prevents the upward flow of gas from escaping, allowing more gas to be blown toward the heat conduction plate 51. In addition, the second air outlet 5461 formed by the second air guide wall 546 and the third air guide wall 5492 allows the gas after heat exchange to be concentrated and discharged from the second air outlet 5461.
[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various equivalent 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. Heat dissipation system comprising a lamp body (1), characterized in that, The lamp body (1) is provided with a light source containing cavity (10) for placing a light emitting source (2), the light source containing cavity (10) has a light outlet for the light emitting source (2) to emit light, the lamp body (1) is provided with a wind guide pipe (3) from top to bottom, the wind guide pipe (3) has an air inlet (3a) and an air outlet (3b), the wind guide pipe (3) is provided with a wind driving piece (4) above, the wind driving piece (4) has a suction port and a blowing port, the blowing port of the wind driving piece (4) is communicated with the air inlet (3a) of the wind guide pipe (3), and the air outlet (3b) is arranged in the light source containing cavity (10).
2. The heat dissipation system of claim 1, wherein, The wind guide pipe (3) is mainly composed of a plate piece (31), a first cover piece (32) and a second cover piece (33), the plate piece (31) includes a vertical segment plate part (311) and a horizontal segment plate part (312) connected with each other, one side plate surface of the vertical segment plate part (311) is fixedly connected with the first cover piece (32) to form a first air duct (300), one side plate surface of the horizontal segment plate part (312) is fixedly connected with the second cover piece (33) to form a second air duct (301), and the channel (302) of the wind guide pipe (3) is composed of the first air duct (300) and the second air duct (301) communicated with each other.
3. The heat dissipation system of claim 2, wherein, The second air duct (301) is bifurcated to form a plurality of air guide ports, and the air outlet (3b) is composed of a plurality of air guide ports.
4. The heat dissipation system of claim 1, wherein, The lamp body (1) is provided with a fixing plate (11), the light outlet is arranged on the fixing plate (11), the lower end of the fixing plate (11) is fixedly connected with an annular surrounding edge (12) arranged around the light outlet, and the light source containing cavity (10) is composed of the annular surrounding edge (12).
5. The heat dissipation system according to any one of claims 1 to 4, wherein, Further comprising a heat sink (5) for providing heat dissipation for the light emitting source (2), the lower end of the light source containing cavity (10) is provided with a lower opening communicated with the light outlet, the heat sink (5) comprises a heat conducting plate (51) sealingly connected with the lower end of the light source containing cavity (10) and closing the lower opening, and the light emitting source (2) is fixedly arranged on the heat conducting plate (51).
6. The heat dissipation system of claim 5, wherein, The heat sink (5) comprises a first heat dissipation fin group (52) and a plurality of heat conducting pipes (53), the first heat dissipation fin group (52) is in heat transfer connection with the upper part of the heat conducting plate (51) through the plurality of heat conducting pipes (53), and the middle part of the first heat dissipation fin group (52) is provided with a containing groove (101) for containing the light source containing cavity (10).
7. The heat dissipation system of claim 6, wherein, The first heat dissipation fin group (52) is mainly composed of a plurality of first fins (521) stacked in the up-down direction, and adjacent first fins (521) are arranged at intervals to form first gap air channels (522). Each first fin (521) is provided with a first flange (523) at each corner to form a first air guide wall (524) after stacking adjacent first flanges (523). First air inlet heat dissipation openings (525) are formed between left adjacent first air guide walls (524) and right adjacent first air guide walls (524). First air outlet heat dissipation openings (526) are formed between front adjacent first air guide walls (524) and rear adjacent first air guide walls (524). The first air inlet heat dissipation openings (525) are communicated with the first air outlet heat dissipation openings (526) through the first gap air channels (522).
8. The heat dissipation system of claim 5, wherein, The heat sink (5) comprises a second heat dissipation fin group (54) and a plurality of heat conduction pipes (53). The second heat dissipation fin group (54) is connected in heat transfer with the lower part of the heat guide plate (51) through the heat conduction pipes (53).
9. The heat dissipation system of claim 8, wherein, The second heat dissipation fin group (54) is mainly composed of a plurality of second fins (541) stacked in the left-right direction. Adjacent second fins (541) are arranged at intervals to form second gap air channels (542). Each second fin (541) is cut at the middle position of the bottom to form a first notch (543), so that the bottom of the second fin (541) forms a first protruding block (544) on both sides of the first notch (543). The edge of the first protruding block (544) is folded to form a second flange (545) so that adjacent second flanges (545) form a second air guide wall (546) after stacking. A second air inlet heat dissipation opening (547) is formed between two adjacent second air guide walls (546).
10. The heat dissipation system of claim 9, wherein, The edge of the first protruding block (544) includes a lower side edge (5441), a front side edge (5442) and a rear side edge (5443). The lower side edge (5441), the front side edge (5442) and the rear side edge (5443) are provided with the second flange (545).
11. The heat dissipation system of claim 9, wherein, After all the second fins (541) are stacked, the first notch (543) can form a first notched groove (540) for accommodating a heat dissipation fan.
12. The heat dissipation system of claim 9, wherein, Each second fin (541) is cut at the middle position of the top to form a second notch (548), so that the top of the second fin (541) forms a second protruding block (549) on both sides of the second notch (548). The edge of the second protruding block (549) is folded to form a third flange (5491), and adjacent third flanges (5491) form a third air guide wall (5492) after stacking. A second air outlet heat dissipation opening (5461) is formed between the second air guide wall (546) and the third air guide wall (5492) on the same side. The second air inlet heat dissipation opening (547) is communicated with the second air outlet heat dissipation opening (5461) through the second gap air channel (542).
13. The heat dissipation system of claim 12, wherein, The edge of the second protruding block (549) comprises an upper side edge (5490), and the third turn-up (5491) is arranged at the upper side edge (5490).
14. The heat dissipation system of claim 12, wherein, After all the second fins (541) are stacked, the second notch (548) can form a second recess groove (5401) for arranging the heat guide plate (51).
15. A heat dissipation structure of a stage light, characterized in that, The heat sink (5) comprising the heat dissipation system according to any one of claims 5 to 14.
16. A stage light, characterized by The heat dissipation system according to any one of claims 1 to 14.