Heat dissipation piece and direct type panel lamp

Abstract

The utility model relates to the technical field of panel lamps, in particular to a heat dissipation piece and a direct type panel lamp, which comprise a heat dissipation piece body, a lampshade arranged at the bottom of the heat dissipation piece body, heat dissipation micropores arranged on one side of the lampshade, an aluminum alloy connecting frame arranged on one side of the heat dissipation micropores, and a heat dissipation fan fixedly arranged on the side wall of the aluminum alloy connecting frame. A lamp body is arranged on one side of the heat dissipation fan, a heat conduction lamp frame is fixedly installed on the upper surface of the lamp body, a lower VC vapor chamber is installed on the upper surface of the heat conduction lamp frame, and an upper VC vapor chamber is installed on the upper side of the lower VC vapor chamber; the LED lamp has the beneficial effects that the heat conduction lamp frame on the upper side of the lamp body facilitates rapid heat dissipation of the lamp body, the heat dissipation micropores facilitate auxiliary heat dissipation when the lamp body works, and the lower surface of the heat conduction lamp frame is fixedly connected with the aluminum alloy connecting frame, so that the aluminum alloy connecting frame conducts heat when the lamp body is heated, the heat dissipation effect is enhanced, and the service life of the lamp body is prolonged. When the temperature in the lampshade is too high, heat dissipation of the lampshade is accelerated by starting the heat dissipation fan, and the heat dissipation effect is further improved through the lower VC vapor chamber and the upper VC vapor chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of panel lamps, in particular to a heat sink and a direct-down panel lamp. Background Art

[0002] The panel light is a high-end indoor lighting fixture. Its outer frame is made of anodized aluminum alloy and the light source is LED. The entire lamp is beautifully designed, simple, and luxurious. It not only has a good lighting effect, but also brings a sense of beauty. The panel light is uniquely designed. After the light passes through the high-transmittance light guide plate, it forms a uniform planar luminous effect. The illumination is uniform, the light is soft, comfortable and bright, and can effectively relieve eye fatigue.

[0003] In the prior art, LED is a heat-averse light source. When it works continuously at a temperature below 65°C, its lifespan can be as high as 100,000 hours. However, the lifespan is shortened by half for every 10°C increase in temperature. Early panel lights mostly used fluorescent tubes as light sources with low heat, while existing panel lights often use LED lamps as light sources. Therefore, heat dissipation needs to be considered. At present, panel lights are mainly cooled by aluminum frames, which have the problems of small heat dissipation area and poor heat dissipation effect. Utility Model Content

[0004] The purpose of the utility model is to provide a heat sink and a direct-down panel light to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: it includes a heat sink body, a lampshade is arranged at the bottom of the heat sink body, heat dissipation microholes are opened on one side of the lampshade, an aluminum alloy connecting frame is installed on one side of the heat dissipation microholes, and a heat dissipation fan is fixedly installed on the side wall of the aluminum alloy connecting frame.

[0006] A lamp body is arranged on one side of the heat dissipation fan, a heat-conducting lamp frame is fixedly installed on the upper surface of the lamp body, a lower VC heat-spreading plate is installed on the upper surface of the heat-conducting lamp frame, and an upper VC heat-spreading plate is installed on the upper side of the lower VC heat-spreading plate.

[0007] Preferably, the side wall of the lampshade is fixedly connected to the inner wall of the aluminum alloy connecting frame, the outer wall of the aluminum alloy connecting frame is provided with a mounting hole, and the heat dissipation fan is fixedly installed in the mounting hole.

[0008] Preferably, heat dissipation micropores are provided on the outer surface of the lampshade, a prism plate is fixedly mounted on the inner surface of the lampshade, and four heat dissipation fans are provided and equidistantly arranged on the side wall of the aluminum alloy connecting frame.

[0009] Preferably, a temperature sensor is fixedly mounted on one side of the aluminum alloy connection frame, and a controller is fixedly mounted on the other side of the aluminum alloy connection frame. The temperature sensor and the controller are electrically connected, and the controller and the heat dissipation fan are electrically connected.

[0010] Preferably, the lower surface of the thermal lamp frame is fixedly connected to the aluminum alloy connecting frame, the upper surface of the thermal lamp frame is fixedly installed with a heat insulation mounting plate, a limiting groove is provided on the surface of the lower VC heat spreader, and one side of the lower VC heat spreader abuts against the surface of the thermal lamp frame.

[0011] Preferably, the upper VC heat spreader is slidably connected to the limiting groove, the two ends of the lower VC heat spreader are fixedly connected to the support plate, the lower surface of the support plate is fixedly connected to the thermal lamp frame, and one side of the upper VC heat spreader abuts against the surface of the thermal lamp frame.

[0012] Preferably, a fixing shell is provided in the fixing sleeve of the support plate, a fastening clip is fixedly connected inside one end of the fixing shell, and a locking sleeve is threadedly connected to the other end of the fixing shell. A limiting rod is provided inside the locking sleeve, and the limiting rod passes through the fastening clip and runs through the lower VC heat spreader and the upper VC heat spreader.

[0013] A direct-down panel lamp comprises the above-mentioned heat sink.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The heat sink proposed by the utility model is facilitated to quickly dissipate heat of the lamp body by fixing a heat-conducting lamp frame on the upper side of the lamp body; heat-dissipating micropores are provided on the lower side of the outer surface of the lampshade, which is convenient for auxiliary heat dissipation when the lamp body is working, and is conducive to preventing dust from entering the lamp body on the other hand; the lower surface of the heat-conducting lamp frame is fixedly connected to the aluminum alloy connecting frame, so that the aluminum alloy connecting frame can conduct heat when the lamp body is heated, thereby expanding the heat dissipation area and enhancing the heat dissipation effect; a heat dissipation fan is fixedly installed in the aluminum alloy connecting frame; when the temperature sensor detects that the temperature in the lampshade is too high, the heat dissipation fan is started to speed up the air flow inside and outside the lampshade, thereby accelerating the heat dissipation of the lampshade; finally, the lower VC heat-spreading plate and the upper VC heat-spreading plate installed on the upper side of the heat-conducting lamp frame can quickly diffuse the local heat source to the whole through the lower VC heat-spreading plate and the upper VC heat-spreading plate, thereby improving the heat dissipation efficiency and further enhancing the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a top view schematic diagram of the internal structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 5 It is a bottom view schematic diagram of the internal structure of the utility model.

[0021] In the figure: 1. heat sink body; 2. lampshade; 3. heat dissipation micropores; 4. aluminum alloy connecting frame; 5. heat dissipation fan; 6. lamp body; 7. heat-conducting lamp frame; 8. lower VC heat spreader; 9. upper VC heat spreader; 10. mounting hole; 11. prism plate; 12. temperature sensor; 13. controller; 14. thermal insulation mounting plate; 15. limit groove; 16. support plate; 17. fixing shell; 18. fastening clamp; 19. locking sleeve; 20. limit rod. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: it includes a heat sink body 1, a lampshade 2 is arranged at the bottom of the heat sink body 1, a heat dissipation microhole 3 is opened on one side of the lampshade 2, an aluminum alloy connecting frame 4 is installed on one side of the heat dissipation microhole 3, a heat dissipation fan 5 is fixedly installed on the side wall of the aluminum alloy connecting frame 4, a lamp body 6 is arranged on one side of the heat dissipation fan 5, a heat conduction lamp frame 7 is fixedly installed on the upper surface of the lamp body 6, a lower VC heat spreader 8 is installed on the upper surface of the heat conduction lamp frame 7, and an upper VC heat spreader 9 is installed on the upper side of the lower VC heat spreader 8.

[0025] A heat-conducting lamp frame 7 is fixedly installed on the upper side of the lamp body 6, which is beneficial to the rapid heat dissipation of the lamp body 6. A heat dissipation micropore 3 is opened on the lower side of the outer surface of the lampshade 2. On the one hand, it is convenient to perform auxiliary heat dissipation when the lamp body 6 is working, and on the other hand, it is beneficial to prevent dust from entering the lamp body 6. The lower surface of the heat-conducting lamp frame 7 is fixedly connected to the aluminum alloy connecting frame 4, so that the aluminum alloy connecting frame 4 can conduct heat when the lamp body 6 is heated, thereby expanding the heat dissipation area and enhancing the heat dissipation effect. A heat dissipation fan 5 is fixedly installed in the aluminum alloy connecting frame 4. When the temperature in the lampshade 2 is too high, the heat dissipation fan 5 is started to accelerate the air flow inside and outside the lampshade 2, thereby accelerating the heat dissipation of the lampshade 2. Finally, the lower VC heat spreader 8 and the upper VC heat spreader 9 installed on the upper side of the heat-conducting lamp frame 7 can quickly diffuse the local heat source to the whole through the lower VC heat spreader 8 and the upper VC heat spreader 9, thereby improving the heat dissipation efficiency and further enhancing the heat dissipation effect.

[0026] Embodiment 2

[0027] On the basis of Example 1, the side wall of the lampshade 2 is fixedly connected to the inner wall of the aluminum alloy connecting frame 4, the outer wall of the aluminum alloy connecting frame 4 is provided with a mounting hole 10, the heat dissipation fan 5 is fixedly installed in the mounting hole 10, the outer surface of the lampshade 2 is provided with heat dissipation micropores 3, the inner surface of the lampshade 2 is fixedly installed with a prism plate 11, four heat dissipation fans 5 are provided and are equidistantly arranged on the side wall of the aluminum alloy connecting frame 4, a temperature sensor 12 is fixedly installed on one side of the aluminum alloy connecting frame 4, and a controller 13 is fixedly installed on the other side of the aluminum alloy connecting frame 4, the temperature sensor 12 and the controller 13 are electrically connected, and the controller 13 is electrically connected to the heat dissipation fan 5.

[0028] The aluminum alloy connecting frame 4 fixes and supports the lampshade 2, and the heat dissipation fan 5 is fixedly installed through the mounting holes 10 opened in the aluminum alloy connecting frame 4. The outer surface of the lampshade 2 is provided with heat dissipation micropores 3 to assist in heat dissipation when the lamp body 6 is working. The temperature in the space formed between the lampshade 2 and the aluminum alloy connecting frame 4 can be monitored by the set temperature sensor 12. When the temperature inside the space reaches a preset value, the temperature sensor 12 will transmit a signal to the controller 13. At this time, the controller 13 will turn on the heat dissipation fan 5 for heat dissipation, accelerate the air flow inside and outside the lampshade 2 and the aluminum alloy connecting frame 4, which is beneficial to the rapid heat dissipation of the lamp body 6. A prism plate 11 is installed on one side of the lampshade 2. By evenly arranging concave points on the prism plate 11, light refraction is formed, so that the lamp body 6 is brighter than similar lamp products while saving electricity, and has a good anti-glare function.

[0029] Embodiment 3

[0030] On the basis of the second embodiment, the lower surface of the heat-conducting lamp frame 7 is fixedly connected to the aluminum alloy connecting frame 4, and the upper surface of the heat-conducting lamp frame 7 is fixedly installed with a heat-insulating mounting plate 14. A limiting groove 15 is provided on the surface of the lower VC heat-spreading plate 8. One side of the lower VC heat-spreading plate 8 abuts against the surface of the heat-conducting lamp frame 7. The upper VC heat-spreading plate 9 is slidably connected to the limiting groove 15. Both ends of the lower VC heat-spreading plate 8 are fixedly connected to the support plate 16. The lower surface of the support plate 16 is fixedly connected to the heat-conducting lamp frame 7. One side of the upper VC heat-spreading plate 9 abuts against the surface of the heat-conducting lamp frame 7. A fixing shell 17 is fixedly sleeved in the support plate 16. A fastening clip 18 is fixedly clamped in one end of the fixing shell 17. A locking sleeve 19 is threadedly connected to the other end of the fixing shell 17. A limiting rod 20 is sleeved in the locking sleeve 19. The limiting rod 20 passes through the fastening clip 18 and runs through the lower VC heat-spreading plate 8 and the upper VC heat-spreading plate 9.

[0031] The entire device is fixedly installed in a preset position through the heat-insulating mounting plate 14. First, the lower surface of the lower VC heat-spreading plate 8 is abutted against one side of the heat-conducting lamp frame 7, and at the same time, its two ends are abutted against the side walls of the support plate 16. Then, the upper VC heat-spreading plate 9 is slidably inserted into the lower VC heat-spreading plate 8 through the limiting groove 15. At this time, the limiting rod 20 is inserted into the upper VC heat-spreading plate 9 and slidably inserted into the lower VC heat-spreading plate 8, and both ends of the upper VC heat-spreading plate 9 are sleeved in the locking sleeve 19. By twisting the locking sleeve 19, the locking sleeve 19 is continuously penetrated because the locking sleeve 19 and the fixed shell 17 are connected by threads. Into the fixed shell 17, one end of the fastening clamp 18 fixedly connected in the fixed shell 17 is provided with a conical surface, and its conical surface is continuously matched with the inner conical surface of the locking sleeve 19, so that the fastening clamp 18 clamps and locks the limit rod 20, and then the upper VC heat spreader 9 and the lower VC heat spreader 8 are fixedly installed on one side of the thermal conductive lamp frame 7, and the heat is transferred to the upper VC heat spreader 9 and the lower VC heat spreader 8 through the thermal conductive lamp frame 7. The upper VC heat spreader 9 and the lower VC heat spreader 8 can quickly transfer heat from the local to the whole, thereby increasing the heat dissipation area while improving the heat dissipation efficiency, thereby increasing the heat dissipation effect.

[0032] In actual use, the entire device is fixedly installed in a preset position through the heat-insulating mounting plate 14. The outer shells of the cooling fan 5, the temperature sensor 12, and the controller 13 are all made of high-temperature resistant materials, so that they can ensure normal operation when the lamp body 6 is working. First, the lower surface of the lower VC heat-spreading plate 8 is abutted against one side of the heat-conducting lamp frame 7, and at the same time, its two ends are abutted against the side walls of the support plate 16, and then the upper VC heat-spreading plate 9 is slidably inserted into the lower VC heat-spreading plate 8 through the limiting groove 15. At this time, the limiting rod 20 is inserted into the upper VC heat-spreading plate 9 and slidably inserted into the lower VC heat-spreading plate 8 The locking sleeve 19 is twisted, and both ends of the locking sleeve 19 are sleeved in the locking sleeve 19. Since the locking sleeve 19 and the fixed shell 17 are connected by threads, the locking sleeve 19 is continuously penetrated into the fixed shell 17. One end of the fastening clip 18 fixedly connected in the fixed shell 17 is provided with a conical surface, and the conical surface is continuously matched with the inner conical surface of the locking sleeve 19, so that the fastening clip 18 can clamp and lock the limit rod 20, and then the upper VC heat spreader 9 and the lower VC heat spreader 8 are fixedly installed on one side of the heat conduction lamp frame 7, and the heat is transferred to the upper VC heat spreader through the heat conduction lamp frame 7. The upper VC soaking plate 9 and the lower VC soaking plate 8 can quickly transfer heat from the local to the whole, thereby increasing the heat dissipation area and improving the heat dissipation efficiency, thereby increasing the heat dissipation effect. The aluminum alloy connecting frame 4 fixedly supports the lampshade 2, and the heat dissipation fan 5 is fixedly installed through the mounting hole 10 opened in the aluminum alloy connecting frame 4. The outer surface of the lampshade 2 is provided with heat dissipation micropores 3, which assist in heat dissipation when the lamp body 6 is working. The temperature in the space formed between the lampshade 2 and the aluminum alloy connecting frame 4 can be monitored by the temperature sensor 12. When the temperature inside reaches a preset value, the temperature sensor 12 transmits a signal to the controller 13, and the controller 13 turns on the cooling fan 5 for heat dissipation, accelerating the air flow inside and outside the lampshade 2 and the aluminum alloy connecting frame 4, thereby facilitating the rapid heat dissipation of the lamp body 6. When the temperature drops below the preset value, the cooling fan 5 stops working. A prism plate 11 is installed on one side of the lampshade 2. By evenly arranging concave points on the prism plate 11, light refraction is formed, so that the lamp body 6 is brighter than similar lamp products while saving electricity, and has a good anti-glare function.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat sink, comprising a heat sink body (1), characterized in that: A lampshade (2) is arranged at the bottom of the heat sink body (1); a heat dissipation microhole (3) is opened on one side of the lampshade (2); an aluminum alloy connection frame (4) is installed on one side of the heat dissipation microhole (3); and a heat dissipation fan (5) is fixedly installed on the side wall of the aluminum alloy connection frame (4); A lamp body (6) is provided on one side of the heat dissipation fan (5); a heat-conducting lamp frame (7) is fixedly mounted on the upper surface of the lamp body (6); a lower VC heat-spreading plate (8) is mounted on the upper surface of the heat-conducting lamp frame (7); and an upper VC heat-spreading plate (9) is mounted on the upper side of the lower VC heat-spreading plate (8).

2. A heat sink according to claim 1, characterized in that: The side wall of the lampshade (2) is fixedly connected to the inner wall of the aluminum alloy connecting frame (4); the outer wall of the aluminum alloy connecting frame (4) is provided with a mounting hole (10); and the heat dissipation fan (5) is fixedly installed in the mounting hole (10).

3. A heat sink according to claim 2, characterized in that: The outer surface of the lampshade (2) is provided with heat dissipation micropores (3), the inner surface of the lampshade (2) is fixedly mounted with a prism plate (11), and four heat dissipation fans (5) are provided and arranged equidistantly on the side wall of the aluminum alloy connection frame (4).

4. A heat sink according to claim 3, characterized in that: A temperature sensor (12) is fixedly mounted on one side of the aluminum alloy connection frame (4), and a controller (13) is fixedly mounted on the other side of the aluminum alloy connection frame (4); the temperature sensor (12) and the controller (13) are electrically connected, and the controller (13) and the heat dissipation fan (5) are electrically connected.

5. A heat sink according to claim 4, characterized in that: The lower surface of the heat-conducting lamp frame (7) is fixedly connected to the aluminum alloy connecting frame (4), a heat-insulating mounting plate (14) is fixedly mounted on the upper surface of the heat-conducting lamp frame (7), a limiting groove (15) is provided on the surface of the lower VC heat-spreading plate (8), and one side of the lower VC heat-spreading plate (8) is in contact with the surface of the heat-conducting lamp frame (7).

6. A heat sink according to claim 5, characterized in that: The upper VC heat spreader (9) is slidably connected to the limiting groove (15), the two ends of the lower VC heat spreader (8) are fixedly connected to the support plate (16), the lower surface of the support plate (16) is fixedly connected to the heat conduction lamp frame (7), and one side of the upper VC heat spreader (9) is in contact with the surface of the heat conduction lamp frame (7).

7. A heat sink according to claim 6, characterized in that: A fixing shell (17) is fixedly sleeved inside the support plate (16), a fastening clamp (18) is fixedly clamped inside one end of the fixing shell (17), a locking sleeve (19) is threadedly connected to the other end of the fixing shell (17), a limiting rod (20) is sleeved inside the locking sleeve (19), and the limiting rod (20) passes through the fastening clamp (18) and penetrates the lower VC heat spreader (8) and the upper VC heat spreader (9).

8. A direct-down panel light, characterized in that: The heat sink comprises any one of claims 1 to 7.

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