Radiator of light projector

By using the riveting and mounting structure of the heat dissipation base plate and fins, the problems of slow installation and low safety of the projector heat sink were solved, achieving rapid installation and stable connection, thus improving production efficiency and safety.

CN223709569UActive Publication Date: 2025-12-23JIANGSU MINGRU PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202520408028.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-23
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing projector heat sinks are slow to install, have low production efficiency, and the heat sink fins are prone to loosening and falling off due to vibration, resulting in low safety.

Method used

The heat sink fins are riveted and installed by using the protrusions on the heat sink substrate and the assembly holes on the assembly plate to complete the stamping process in one go using a machine mold. They are then hung on the mounting guide rail by mounting ears to ensure the stability and safety of the fins.

Benefits of technology

It enables rapid installation of heat dissipation fins, improving production efficiency, and the mounting structure prevents the fins from loosening or falling off, thus enhancing the safety and overall rigidity of the radiator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat dissipation modules, and discloses a radiator of a light projector, which comprises a heat dissipation substrate and heat dissipation fins, a plurality of rows of assembly bulges are uniformly distributed on the heat dissipation substrate, and the assembly bulges are used for being assembled with the heat dissipation fins; the heat dissipation fins comprise a left fin, an assembly sheet and a right fin, and the left fin, the assembly sheet and the right fin are connected into a whole; the left fin is opposite to the right fin, and an assembling hole is formed in the assembling piece; the assembly bulge enters the assembly hole from one side of the assembly sheet and is flattened on the other side of the assembly sheet to form a limiting step to clamp the assembly sheet; two hanging guide rails are arranged on the heat dissipation substrate, and guide rail grooves are formed in the inner bottom surfaces of the hanging guide rails; a reinforcing rib is fixedly mounted between the two hanging guide rails; hanging lug pieces are arranged on the assembling pieces; and the hanging lugs are arranged in the guide rail grooves, so that the radiating fins are hung on the hanging guide rails and do not fall off. The installation process is simple and fast, the production efficiency is improved, and the use safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat dissipation module, concretely is the radiator of light projector. BACKGROUND

[0002] Light projector is a device that projects specific light or beams, and is mainly used in multiple fields, including stage performances, architectural lighting, and outdoor entertainment activities. When the light projector is working, the internal electronic components and light sources will generate a large amount of heat, which needs to be dissipated in time, otherwise the temperature of the device will rise, which will damage the internal electronic components and shorten the service life of the device. The existing LED light projector radiator is assembled to the heat dissipation support through mounting screws, which is relatively slow and has low production efficiency.

[0003] The patent application with publication number CN210319659U discloses a fin heat dissipation module and a light projector, and the heat dissipation fins thereof include a fin body and a bent edge extending outward from the periphery of the fin body. A riveting protrusion is formed on the heat conduction plate, and a riveting hole is formed on the bottom bent edge. The riveting protrusion extends into the riveting hole to rivet and fix the heat dissipation fins on the heat conduction plate. The heat conduction plate and the heat dissipation fins are only riveted together, and the heat dissipation fins may be loosened and fall off from the heat conduction plate due to vibration, which has low safety. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of providing a radiator with a simple and fast installation process, improved production efficiency, and improved use safety.

[0005] To solve the above technical problems, the utility model provides a radiator for a light projector, which includes a heat dissipation base plate and heat dissipation fins. The heat dissipation base plate is uniformly distributed with a plurality of rows of assembly protrusions, which are used for assembling the heat dissipation fins. The heat dissipation fins include a left fin, an assembly piece, and a right fin, which are integrated. The left fin and the right fin are opposite, and the assembly piece is provided with an assembly hole. The assembly protrusions enter the assembly hole from one side of the assembly piece and are flattened on the other side of the assembly piece to form a limiting step to hold the assembly piece. Two hanging guide rails are provided on the heat dissipation base plate, and a guide rail groove is provided on the inner bottom surface of the hanging guide rail. A reinforcing rib is fixedly installed between the two hanging guide rails. A hanging lug is provided on the assembly piece. The hanging lug is placed in the guide rail groove, so that the heat dissipation fins are hung on the hanging guide rail without falling off.

[0006] Through the cooperation of the protrusions on the heat dissipation base plate and the assembly holes on the assembly piece, the riveting installation of the heat dissipation fins is realized. The installation is completed by one-time stamping of the machine die, which is simple and fast, and improves the production efficiency. The heat dissipation fins are hung on the hanging guide rail through the hanging lug, so that the heat dissipation fins do not fall off, and the use safety of the radiator is improved.

[0007] The assembly piece of the heat dissipation fin is provided with a plurality of holes, the holes are located between the assembly holes, the hole edges extend to the left fin and the right fin on both sides to form two hanging holes and a reinforcing rib hole.

[0008] By using the above technical scheme, the two hanging holes are arranged to facilitate the positioning and assembly of the heat dissipation fin, and the reinforcing rib hole is used to accommodate the reinforcing rib.

[0009] Preferably, the hanging ear is two pieces, and is symmetrically arranged on one of the hanging holes.

[0010] By using the above technical scheme, the hanging ear is symmetrically arranged on one of the hanging holes, which reduces the weight of the heat dissipation fin, ensures the balance and stability of the heat dissipation fin on the hanging rail, and prevents loosening or falling caused by vibration.

[0011] Preferably, the reinforcing rib is arranged in the middle of the heat dissipation substrate.

[0012] By using the above technical scheme, the reinforcing rib is arranged in the middle of the heat dissipation substrate to increase the structural strength of the heat sink and optimize the structural layout of the heat sink.

[0013] Preferably, the reinforcing rib and the hanging rail are respectively located between the assembly protrusions.

[0014] By using the above technical scheme, the overall structural layout of the heat sink is optimized, which helps to improve the appearance and practicability of the heat sink, the reinforcing rib enhances the structural strength, and the hanging rail provides stable support for the heat dissipation fin.

[0015] Preferably, two hanging rails are symmetrically arranged on both sides of the reinforcing rib.

[0016] By using the above technical scheme, the hanging rails are arranged on both sides of the reinforcing rib to further strengthen the overall rigidity of the heat sink and facilitate the assembly of the heat dissipation fin.

[0017] Preferably, the reinforcing rib hole cooperates with the reinforcing rib.

[0018] By using the above technical scheme, the heat dissipation fin is transversely arranged on the reinforcing rib through the reinforcing rib hole on the heat dissipation fin, which facilitates the installation of the heat dissipation fin.

[0019] Preferably, the two hanging holes respectively cooperate with the two hanging rails.

[0020] By using the above technical scheme, the two hanging holes respectively cooperate with the two hanging rails, so that the heat dissipation fin can be conveniently and quickly installed on the heat dissipation substrate without using additional fixing parts or tools, thereby simplifying the manufacturing process.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows:

[0022] 1. The utility model discloses a protrusion on the heat dissipation substrate and the assembly hole on the assembly piece cooperate, realize the riveting installation of heat dissipation fin, and the installation is completed by one-time stamping of machine mould, and the installation process is simple and fast, improves production efficiency. The heat dissipation fin is hung on the hanging guide rail through the hanging ear piece, so that the heat dissipation fin does not fall off, and the use safety of the radiator is improved.

[0023] 2. The utility model discloses the symmetrical setting of hanging ear piece on one of the hanging holes, reduces the weight of heat dissipation fin, ensures the balance and stability of heat dissipation fin on the hanging guide rail, prevents the loosening or falling off caused by vibration.

[0024] 3. The utility model discloses the hanging guide rail is set up on the both sides of reinforcing rib, further strengthens the whole rigidity of radiator, and the assembly of heat dissipation fin is convenient. DRAWINGS

[0025] Figure 1 It is the structure schematic drawing of the utility model;

[0026] Figure 2 It is the plan view of the utility model;

[0027] Figure 3 It is the heat dissipation fin and hanging guide rail connection schematic drawing of the utility model;

[0028] Figure 4 It is the side view of the utility model.

[0029] Figure number: 1. heat dissipation substrate, 2. heat dissipation fin, 3. assembly protrusion, 4. left fin, 5. assembly piece, 6. right fin, 7. assembly hole, 8. limit step, 9. hanging guide rail, 10. guide rail groove, 11. hanging ear piece, 12. reinforcing rib, 13. hanging hole, 14. reinforcing rib hole, 15. mounting hole. CONCRETE IMPLEMENTATION

[0030] As Figure 1 , 2As shown, the heat dissipating base plate 1 is provided with a plurality of rows of assembling protrusions 3, and the assembling protrusions 3 are used for assembling with the heat dissipating fins 2; the heat dissipating fins 2 include a left fin 4, an assembling piece 5 and a right fin 6, and the left fin 4, the assembling piece 5 and the right fin 6 are integrated; the left fin 4 and the right fin 6 are opposite, and the assembling piece 5 is provided with an assembling hole 7; the assembling protrusion 3 enters the assembling hole 7 from one side of the assembling piece 5, and the assembling piece 5 is clamped by a limiting step 8 formed by flattening the other side of the assembling piece 5; the heat dissipating base plate 1 is provided with two hanging guide rails 9, and the inner bottom surface of the hanging guide rail 9 is provided with a guide rail groove 10; the two hanging guide rails 9 are fixedly installed with a reinforcing rib 12; the assembling piece 5 is provided with a hanging lug 11; and the hanging lug 11 is arranged in the guide rail groove 10, so that the heat dissipating fins 2 are hung on the hanging guide rail 9 and do not fall off. The protrusions on the heat dissipating base plate 1 and the assembling hole 7 on the assembling piece 5 are matched to realize riveting installation of the heat dissipating fins 2, the installation is completed by one-time stamping of a machine die, the installation process is simple and fast, and the production efficiency is improved. The heat dissipating fins are hung on the hanging guide rail 9 through the hanging lug 11, so that the heat dissipating fins 2 do not fall off, and the use safety of the heat dissipator is improved.

[0031] The reinforcing rib 12 is arranged in the middle of the heat dissipating base plate 1, and is used for increasing the structural strength of the heat dissipator and optimizing the structural layout of the heat dissipator.

[0032] The reinforcing rib 12 and the hanging guide rail 9 are respectively arranged between two rows of assembling protrusions 3. The overall structural layout of the heat dissipator is optimized, which is helpful to improve the appearance and practicability of the heat dissipator, the reinforcing rib 12 enhances the structural strength, and the hanging guide rail 9 provides stable support for the heat dissipating fins 2.

[0033] As shown in Figure 2 , two hanging guide rails 9 are symmetrically arranged on both sides of the reinforcing rib 12. The hanging guide rails 9 are arranged on both sides of the reinforcing rib 12 to further strengthen the overall rigidity of the heat dissipator, and the heat dissipating fins 2 are pushed into the hanging guide rail 9 from the left end of the heat dissipating base plate 1, and the hanging lug 11 is hung on the lower hanging guide rail 9. The heat dissipating fins 2 can also be pushed into the hanging guide rail 9 from the left end of the heat dissipating base plate 1 from the right end, and the hanging lug 11 is hung on the upper hanging guide rail 9. The assembly of the heat dissipating fins 2 is convenient, and the structure is relatively regular and beautiful.

[0034] As shown in Figure 3 , a plurality of holes are arranged on the assembling piece 5 of the heat dissipating fin 2, the holes are arranged between two assembling holes 7, the hole edges extend to the left fin 4 and the right fin 6 on both sides, and two hanging holes 13 and a reinforcing rib hole 14 are respectively formed. The arrangement of the two hanging holes 13 facilitates the positioning and assembly of the heat dissipating fins 2, and the reinforcing rib hole 14 is used for accommodating the reinforcing rib 12.

[0035] The reinforcing rib hole 14 and the reinforcing rib 12 are matched, the reinforcing rib hole 14 on the heat dissipation fin 2 is matched with the reinforcing rib 12, the heat dissipation fin 2 is crossed on the reinforcing rib 12 through the reinforcing rib hole 14 on the heat dissipation fin 2, and installation of the heat dissipation fin 2 is facilitated. Two hanging holes 13 are matched with two hanging guide rails 9 respectively. Two hanging holes are matched with two hanging guide rails respectively, the heat dissipation fin 2 can be conveniently and quickly installed on the heat dissipation base plate 1, no additional fixing part or tool is needed, and the manufacturing process is simplified.

[0036] The hanging lug 11 is two pieces, and is symmetrically arranged on one of the hanging holes 13. The hanging lug 11 and the hanging hole 13 are integrally formed. The hanging lug 11 is symmetrically arranged on one of the hanging holes 13, the weight of the heat dissipation fin 2 is reduced, the balance and stability of the heat dissipation fin 2 on the hanging guide rail 9 are ensured, and loosening or falling caused by vibration is prevented.

[0037] When the utility model is installed, the heat dissipation base plate 1 is placed in the lower die of the stamping machine, the U-shaped heat dissipation fin 2 is pushed into one end of the hanging guide rail 9, the hanging lug 11 at the bottom of the heat dissipation fin 2 is slid into the guide rail groove 10, the heat dissipation fin 2 is hung by the hanging guide rail 9. The assembly protrusion 3 is inserted into the assembly hole 7 formed on the bottom surface of the heat dissipation fin 2. After a certain number of heat dissipation fins 2 are placed, the lower die is sent to the lower side of the upper die, the stamping machine is started, and the limiting step 8 is formed by stamping to clamp the assembly piece 5. As shown in the figure, the heat dissipation base plate 1 has a mounting hole 15 on the side, and the heat dissipation fin is fixed to the light projector through the mounting hole 15. The utility model has high safety in use and good heat dissipation effect. Figure 4

[0038] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and the drawings are only taken as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be deformed or modified in any way without departing from the principle.​

Claims

1. A heat sink for a projector, comprising a heat sink substrate (1) and heat sink fins (2), wherein several rows of assembly protrusions (3) are evenly distributed on the heat sink substrate (1), and the assembly protrusions (3) are used for assembly with the heat sink fins (2); characterized in that: The heat dissipation fins (2) include a left fin (4), an assembly piece (5), and a right fin (6), which are connected as one unit. The left fin (4) and the right fin (6) are opposite to each other, and an assembly hole (7) is provided on the assembly piece (5). The assembly protrusion (3) enters the assembly hole (7) from one side of the assembly piece (5) and is flattened on the other side of the assembly piece (5) to form a limiting step (8) to hold the assembly piece (5). Two mounting guides (9) are provided on the heat dissipation base plate (1), and a guide groove (10) is provided on the bottom surface of the mounting guide (9). A reinforcing rib (12) is fixedly installed between the two mounting guides (9). A mounting ear (11) is provided on the assembly piece (5). The mounting ear (11) is placed in the guide groove (10) so that the heat dissipation fins (2) are hung on the mounting guides (9) without falling off.

2. The heat sink for the projector according to claim 1, characterized in that: Multiple holes are opened on the assembly piece (5) of the heat dissipation fin (2). The holes are located between two assembly holes (7). The edges of the holes extend to the left fin (4) and right fin (6) on both sides, forming two mounting holes (13) and one reinforcing rib hole (14) respectively.

3. The heat sink for the projector according to claim 2, characterized in that: The hanging ear piece (11) consists of two pieces, symmetrically arranged on one of the hanging holes (13).

4. The heat sink of the projector according to claim 1, characterized in that: The heat dissipation substrate (1) is provided with a reinforcing rib (12) in the middle.

5. The heat sink for the projector according to claim 4, characterized in that: The reinforcing ribs (12) and the mounting rails (9) are located between the rows of two assembled protrusions (3).

6. The heat sink for the projector according to claim 5, characterized in that: Two mounting rails (9) are symmetrically arranged on both sides of the reinforcing rib (12).

7. The heat sink for the projector according to claim 2, characterized in that: The reinforcing rib hole (14) and the reinforcing rib (12) are fitted together.

8. The heat sink for the projector according to claim 3, characterized in that: The two mounting holes (13) are respectively matched with two mounting guide rails (9).

Citation Information

Patent Citations

  • Fin heat dissipation module and projection lamp

    CN210319659U