CN221054967U

CN221054967U - Heat radiation module and heat radiation device

Info

Publication number: CN221054967U
Application number: CN202322703349.9U
Authority: CN
Inventors: 颜复隆; 李键鹏
Original assignee: Guangzhou Dasen Lighting Electronics Ltd
Current assignee: Guangzhou Dasen Lighting Electronics Ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-31
Anticipated expiration: 2033-10-09

Abstract

The heat radiation module comprises a heat radiation plate for installing a light source assembly and a radiator which is positioned right below the heat radiation plate and connected with the heat radiation plate, and is characterized in that the radiator comprises a middle radiator and side radiators which are respectively positioned at two sides of the middle radiator, are arranged at intervals with the middle radiator and are symmetrical to each other; the light-emitting device further comprises a hollow metal tube with two open ends, wherein the middle part of the hollow metal tube is embedded in the side radiator, and the two open ends of the hollow metal tube face the light-emitting direction. The heat dissipation device comprises a heat dissipation module, a heat dissipation module fixing plate, a heat dissipation fan assembly, a light source assembly and an internal circulation pressurizing assembly, wherein the heat dissipation module fixing plate is positioned right above the heat dissipation module and is fixed with the heat dissipation module, the heat dissipation fan assembly is positioned at a reserved position of a fan, and the internal circulation pressurizing assembly is positioned on one side of the heat dissipation module fixing plate.

Description

Heat radiation module and heat radiation device

Technical Field

The utility model relates to the field of waterproof stage lamps, in particular to the field of heat dissipation modules and heat dissipation devices.

Background

The heat dissipation of the waterproof lamp mainly comprises the heat dissipation of the light source position and the heat dissipation of the air in the lamp cap, and the heat dissipation of the stage lamp to the light source position is generally carried out by using a fin radiator. The heat dissipation effect of the mode on the light source position is relatively good. However, for the heat dissipation of the air inside the lamp cap, the rapid heat dissipation is generally realized by utilizing the air convection inside and outside the lamp cap. For stage lamps with very high waterproof performance, a plurality of fans are arranged at different positions inside the lamp holder to form internal circulation, so that heat in the lamp holder is conducted to the shell of the lamp holder, and heat is dissipated by utilizing heat exchange between the shell and the outside, so that the efficiency is low. Or a heat insulation layer is built in the lamp cap, the light source component with large heating value is isolated from other components of the lamp cap, two relatively independent cavities of the light source region and the non-light source region are formed, but the problem that the air temperature of the non-light source region in the lamp cap is higher still cannot be solved, and the service life of various components in the lamp cap is seriously reduced due to the higher temperature.

Disclosure of Invention

The invention aims to provide a heat radiation module and a heat radiation device, which solve the problem of low heat radiation efficiency of internal air circulation in a lamp cap and the problem of rapid reduction of internal air in a cavity of the lamp cap in the current lamp.

The technical scheme of the invention is as follows:

In one aspect, a heat dissipation module includes a heat dissipation plate for mounting a light source assembly, and a heat sink disposed under the heat dissipation plate and connected thereto, the heat sink including a middle heat sink, and side heat sinks disposed at two sides of the middle heat sink, respectively, and arranged at intervals with the middle heat sink and symmetrically with each other; the light-emitting device further comprises a hollow metal tube with two open ends, wherein the middle part of the hollow metal tube is embedded in the side radiator, and the two open ends of the hollow metal tube face the light-emitting direction.

Further, the side radiator is a fin radiator; the intermediate radiator is a radiator with a plurality of fins and a plurality of heat pipes combined.

Further, the interval between the side radiator and the middle radiator is reserved for a fan for installing the heat radiation fan.

Further, the hollow metal tube comprises a middle part transversely embedded on the side radiator and end parts respectively extending to the outside of the side radiator.

Further, the tip of the end portion is oriented perpendicular to the heat dissipation plate.

Further, the wind speed damping device is arranged in the hollow metal pipe and penetrates through the hollow metal pipe.

Further, the wind speed damping member is provided with a plurality of wind speed damping units, and the wind speed damping units comprise a wind shielding part and a plurality of wind leakage holes.

On the other hand, the heat dissipating device comprises the heat dissipating module, a heat dissipating module fixing plate, a heat dissipating fan assembly, a light source assembly and an internal circulation pressurizing assembly, wherein the heat dissipating module fixing plate is arranged right above the heat dissipating module and is fixed with the heat dissipating module, the heat dissipating fan assembly is arranged at a reserved position of the fan, and the internal circulation pressurizing assembly is arranged on one side of the heat dissipating module fixing plate.

Further, the radiator fixing plate is provided with vent holes corresponding to openings at two ends of the hollow metal tube, wherein the vent hole at one side is an air inlet hole, and the vent hole at the other side is an air outlet hole.

Specifically, the internal circulation booster component comprises a booster fan, a fan mounting plate and an air guide nozzle, wherein the booster fan is fixed on the radiator fixing plate through the fan mounting plate, one end of the air guide nozzle is communicated with an air outlet of the booster fan, and the other end of the air guide nozzle is communicated with the air inlet.

In more detail, the booster fan is a blower, and an air outlet of the blower is perpendicular to the radiator fixing plate.

Further, the heat dissipation fan assembly comprises a fan fixing frame and a heat dissipation fan arranged on the fan fixing frame, and the fan fixing frame is matched with the reserved position of the fan.

Compared with the traditional technical scheme, the technical scheme has the advantages that:

through directly add both ends open-ended hollow tubular metal resonator on the radiator, combine booster fan simultaneously, realize the inside hot air of lamp holder and directly conduct the heat for the radiator through the tubular metal resonator and dispel the heat, the radiating efficiency is far higher than the heat dissipation of the inside air of lamp holder that conventional utilization casing and external heat exchange carried out.

The wind speed damping piece is arranged in the hollow metal pipe, so that hot air entering the hollow metal pipe can exchange heat with the radiator for a longer time, and the internal circulation hot air entering the hollow metal pipe can be radiated more efficiently.

Drawings

Fig. 1 is a perspective view (front view and rear view) of a heat dissipating module.

Fig. 2 is a top view and a left side view of a heat dissipating module.

Fig. 3 is a perspective view of a heat dissipating device.

Fig. 4 is an exploded view of a heat sink.

FIG. 5 is a perspective view of a wind speed damper.

Reference numerals 1-heat sink; 11-a heat dissipation plate; 12-a heat sink; 121-an intermediate radiator; 1211-fins; 1212-heat pipes; 122-side heat sink; 123-fan reserved bits; 13-hollow metal tube; 131-middle part; 132-end; 14-wind speed damper; 141-a wind speed damping unit; 1411-a wind shielding part; 1412-blow-by hole; 2-a heat radiation module fixing plate; 21-an air inlet hole; 22-an air outlet hole; 3-a heat dissipation fan assembly; 31-a heat radiation fan; 32-a fan fixing frame; 4-a light source assembly; 5-an internal circulation pressurizing assembly; 51-booster fan; 52-an air guide nozzle; 53-fan mounting plate.

Description of the embodiments

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

On the one hand, as shown in fig. 1 to 4, a heat dissipating module includes a heat dissipating plate 11 for mounting a light source module 4, a heat sink 12 located right under the heat dissipating plate 11 and connected to the heat dissipating plate 11, the heat sink 12 including an intermediate heat sink 121, side heat sinks 122 located on both sides of the intermediate heat sink 121 and arranged in parallel with the intermediate heat sink 121 at a spacing; the two side radiators 122 are provided symmetrically with each other. The light-emitting device further comprises a hollow metal tube 13 with two open ends, wherein the middle part of the hollow metal tube is embedded in the side radiator 122, and the two open ends of the hollow metal tube 13 face to the light-emitting direction.

In the present embodiment, the number of the hollow metal pipes 13 is two, corresponding to the two side radiators 122, respectively. The beneficial effect of this embodiment lies in that the setting of hollow metal pipe 13 can make the inside inner loop hot air of lamp holder inside that gets into it, can pass the heat transfer to the side radiator 122 through hollow metal pipe 13 to realize the heat dissipation of the inside inner loop air of lamp holder. The heat dissipation mode of the internal circulation hot air inside the lamp cap is far higher than the traditional heat dissipation mode of the shell through the lamp cap, and meanwhile, the heat dissipation module after the hollow metal tube 13 is additionally arranged is almost identical with the heat dissipation module before the hollow metal tube 13 is additionally arranged, so that the space inside the lamp is almost identical.

As one embodiment, the side heat sink 122 is a fin heat sink; the intermediate heat sink 121 is a heat sink in which a plurality of fins are combined with a plurality of heat pipes. The effective effect of this embodiment is that, through the collocation setting of side radiator 122 and middle radiator 121, the installation position of heat dissipation fan subassembly has been reserved for holistic volume is littleer.

As one embodiment, the spacing of the side radiator 122 from the intermediate radiator 121 is a fan reserve 123 for mounting a radiator fan. The beneficial effect of this embodiment is that two fan reservation positions 123 can hold four cooling fans, more do benefit to the heat dissipation.

As one of the embodiments, the hollow metal tube 13 includes a middle portion 131 transversely embedded on the side radiator and end portions 132 respectively extending to the outside of the side radiator. The tip of the end 132 is oriented perpendicularly to the heat dissipation plate 11. The beneficial effect of this embodiment is that it is convenient to communicate with the air outlet of the booster fan 51 to form a smoother air path.

As one embodiment, the wind speed damper 14 is further included, and the wind speed damper 14 is provided inside and penetrating the hollow metal tube 13. The embodiment has the advantage that the heat of the hot air is more transferred to the wind speed damping member 14 by the flow velocity of the hot air entering the hollow metal tube 13, increasing the heat dissipation efficiency of the hot air.

As shown in fig. 5, as one of the embodiments, the wind speed damper 14 is provided with a plurality of wind speed damping units 141, and the wind speed damping units 141 include a wind shielding portion 1411 and a plurality of air leakage holes 1412. The beneficial effect of this embodiment is that the damping of the air flow is increased and the speed of the air flow is reduced.

On the other hand, the heat dissipating device comprises the heat dissipating module 1, the heat dissipating module fixing plate 2 which is arranged right above the heat dissipating module 1 and is fixed with the heat dissipating module 1, the heat dissipating fan assembly 3 which is arranged at the fan reserved position 123, the light source assembly 4 and the internal circulation pressurizing assembly 5 which is arranged at one side of the heat dissipating module fixing plate 2. The beneficial effect of this embodiment lies in that heat dissipation fan subassembly 3 is used for assisting the heat dissipation of light source subassembly 4, and inner loop booster component 5 is used for assisting the inner loop heat dissipation of the inside hot air of lamp holder. Through cooling fan subassembly 3 and inner loop booster component 5, heat abstractor has not only realized the radiating effect of conventional light source subassembly 4 department, has still realized the inside inner loop radiating effect of lamp holder.

As one embodiment, the radiator fixing plate 2 is provided with vent holes corresponding to openings at both ends of the hollow metal pipe 13, wherein the vent hole at one side is an air inlet 21, and the vent hole at the other side is an air outlet 22. The beneficial effect of this embodiment lies in, through the setting of fresh air inlet 21 and air outlet 22, cooperation inner loop booster assembly 5 for the inside hot air of lamp holder can form the wind path passageway at hollow tubular metal resonator 13, makes the inside hot air of lamp holder can realize the inner loop simultaneously.

As one embodiment, the internal circulation booster component 5 includes a booster fan 51, a fan mounting plate 53 and a wind guide nozzle 52, the booster fan 51 is fixed on the radiator fixing plate 2 through the fan mounting plate 53, one end of the wind guide nozzle 52 is communicated with an air outlet of the booster fan 51, and the other end is communicated with the air inlet 21. The booster fan 51 sucks the hot air in the lamp cap and blows it out from the air outlet thereof, so that the hot air enters one end of the hollow metal tube 13 through the air inlet 21, and after being radiated inside the hollow metal tube 13, the hot air exits from the other end of the hollow metal tube 13, so that the hot air returns to the inside of the lamp cap again through the air outlet 22, thereby forming the internal circulation radiation of the hot air in the lamp cap. The specific shapes of the two ends of the air guide nozzle are matched with the communicating positions, namely, the shape of one end of the air guide nozzle 52, which is communicated with the air outlet of the booster fan 51, is matched with the shape of the air outlet, and the shape of the other end, which is communicated with the air inlet 21, is matched with the air inlet 21.

In this embodiment, the hollow metal tube 13 is in a circular tubular shape, and the air outlets of the booster fans 51 are rectangular, and the number of the air outlets is two, and the air outlets are adjacently arranged. The air guide nozzle 52 has a rectangular shape at one end and a circular hole shape at the other end.

As one embodiment, the booster fan 51 is a blower, and an air outlet of the blower 51 is perpendicular to the radiator fixing plate 2. The embodiment has the advantages that the formation of the air passage channel is facilitated, and the hot air inside the lamp cap is conveniently sucked and flowed.

As one embodiment, the heat dissipation fan assembly 3 includes a fan fixing frame 32 and a heat dissipation fan 31 mounted on the fan fixing frame 32, and the fan fixing frame 32 is adapted to the fan reserved position 123.

In the heat dissipating device in the embodiment, hot air in the lamp cap is sucked from an air inlet by a booster fan 51 in the internal circulation booster component 5, then blown out from an air outlet thereof, and enters the hollow metal tube 13 through an air guide nozzle 52 and an air inlet 21; because the hollow metal tube 13 is located on the side radiator 122, the heat conducted to the hollow metal tube 13 by the hot air can be quickly conducted to the side radiator 122 and released to the outside, so that the hot air entering the hollow metal tube 13 is greatly cooled when exiting from the air outlet hole 22. Meanwhile, by increasing the wind speed damping piece 14, the flow speed of the hot air in the hollow metal tube 13 is reduced, so that the hot air can be cooled more fully.

Claims

1. The heat radiation module comprises a heat radiation plate for installing a light source assembly and a radiator which is positioned right below the heat radiation plate and connected with the heat radiation plate, and is characterized in that the radiator comprises a middle radiator and side radiators which are respectively positioned at two sides of the middle radiator, are arranged at intervals with the middle radiator and are symmetrical to each other; the light-emitting device further comprises a hollow metal tube with two open ends, wherein the middle part of the hollow metal tube is embedded in the side radiator, and the two open ends of the hollow metal tube face the light-emitting direction.

2. A heat dissipating module according to claim 1, wherein said side heat sink is a fin heat sink; the intermediate radiator is a radiator with a plurality of fins and a plurality of heat pipes combined.

3. A heat dissipating module according to claim 1, wherein the side heat sink is spaced from the intermediate heat sink by a predetermined distance for mounting a fan of a heat dissipating fan.

4. A heat dissipating module according to claim 2, wherein said hollow metal tube comprises a middle portion transversely embedded on the side heat sink and end portions respectively extending outside the side heat sink.

5. A heat dissipating module according to claim 4, wherein the tips of said ends are oriented perpendicular to said heat dissipating plate.

6. The heat dissipating module of claim 1, further comprising a wind speed damper disposed within and extending through said hollow metal tube.

7. The heat dissipating module of claim 6, wherein the wind speed damper is provided with a plurality of wind speed damper units including a wind shielding portion and a plurality of wind leakage holes.

8. A heat dissipating device, comprising a heat dissipating module as set forth in any one of claims 1-7, and further comprising a heat dissipating module fixing plate disposed directly above and fixed to the heat dissipating module, a heat dissipating fan assembly disposed at a reserved position of a fan, a light source assembly, and an internal circulation pressurizing assembly disposed at one side of the heat dissipating module fixing plate.

9. The heat dissipating device of claim 8, wherein the heat sink fixing plate is provided with vent holes corresponding to openings at both ends of the hollow metal tube, wherein the vent hole at one side is an air inlet hole, and the vent hole at the other side is an air outlet hole.

10. The heat dissipating device of claim 9, wherein the internal circulation booster component comprises a booster fan, a fan mounting plate and a wind guide nozzle, wherein the booster fan is fixed on the heat dissipating device fixing plate through the fan mounting plate, one end of the wind guide nozzle is communicated with an air outlet of the booster fan, and the other end of the wind guide nozzle is communicated with the air inlet.

11. The heat dissipating device of claim 10, wherein said booster fan is a blower, and wherein an air outlet of said blower is perpendicular to said heat sink mounting plate.

12. The heat dissipating device of claim 8, wherein said heat dissipating fan assembly comprises a fan mount and a heat dissipating fan mounted on said fan mount, said fan mount adapted to a fan reserve.