Roof ceiling lamp with good heat dissipation effect

Abstract

The utility model discloses a roof ceiling lamp with a good heat dissipation effect, which comprises a support used for being connected with a wall surface; the lighting lamps are used for lighting, the number of the lighting lamps is three, and the lighting lamps are evenly distributed at the bottom of the support; the connecting frames are used for connecting the illuminating lamp and the support, the two ends of each connecting frame are fixedly connected with the illuminating lamp and the support respectively, the number of the connecting frames is three, and the connecting frames are evenly distributed; the driving power supply is used for controlling the current to be stable, and the driving power supply is located in the support and fixedly connected with the bottom of the inner wall of the support; and the heat dissipation assembly is used for dissipating heat of the driving power supply. Through the arrangement of the support, the illuminating lamp, the connecting frame, the driving power source and the heat dissipation assembly, the illuminating lamp can be installed on the surface of the support through the connecting frame, the driving power source can conduct current control on the illuminating lamp, the heat dissipation assembly can conduct cooling and heat dissipation on the driving power source, and the problem that the heat dissipation effect of the roof ceiling lamp is not good is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of roof chandelier, in particular to a roof chandelier with good heat dissipation effect. Background Art

[0002] Ceiling chandelier is a kind of high-grade decorative lighting, which is usually hung on the indoor ceiling, not only providing light source, but also adding beauty and atmosphere to the space. There are many styles and designs of chandeliers, which can be selected according to different decoration styles and space requirements.

[0003] Indoor lighting requires the use of ceiling chandeliers, the core parts of which include lamps, lamp holders, lampshades, driver power supplies, wires and other components. During use, the driver power supplies power the lamps. Due to the use of internal components and the inability of the driver power supply to dissipate heat independently, its heat dissipation performance may be limited when installed in locations with special environmental conditions, which may easily lead to damage to the driver power supply, making it unable to work effectively, and exacerbating the problem of equipment failure. Utility Model Content

[0004] The utility model aims to provide a roof chandelier with good heat dissipation effect, which has the advantage of being easy to dissipate heat for the roof chandelier and solves the problem of poor heat dissipation effect of the roof chandelier.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a roof chandelier with good heat dissipation effect, comprising:

[0006] A support, used for connecting with a wall;

[0007] Illuminating lamps, used for lighting, the number of the illuminating lamps is three and they are evenly distributed at the bottom of the support;

[0008] A connecting frame, used to connect the lighting lamp and the support, the two ends of the connecting frame are respectively fixedly connected to the lighting lamp and the support, and the number of the connecting frames is three and they are evenly distributed;

[0009] A driving power source, used for controlling the current to be stable, the driving power source is located inside the support and fixedly connected to the bottom of the inner wall of the support;

[0010] The heat dissipation component is used to dissipate heat from the driving power source, and the heat dissipation component is sleeved on the surface of the driving power source.

[0011] As a preferred roof chandelier with good heat dissipation effect of the utility model, the heat dissipation component includes a copper tube for storing coolant, the middle part of the copper tube presents a protrusion that cooperates with the driving power supply, both ends of the copper tube are bent upward, the copper tubes are in three groups and are evenly distributed on the surface of the driving power supply, both ends of the copper tube surface are sleeved with metal-based heat dissipation plates, both sides of the driving power supply are provided with mounting plates for fixing the copper tube, the bottom of the mounting plate is bonded to the bottom of the inner wall of the support by double-sided tape, and one end of the copper tube is threadedly connected with a compensation mechanism.

[0012] As a preferred roof chandelier with good heat dissipation effect of the utility model, the number of the metal-based heat dissipation plates is several, and they are evenly sleeved on the surface of the copper tube, both sides of the bottom of the metal-based heat dissipation plates are fixedly connected with connecting blocks for separating and supporting the metal-based heat dissipation plates, and the surface of the driving power supply is provided with connecting pipes, the number of the connecting pipes is several, and the connecting pipes are used for connecting the three groups of the copper tubes.

[0013] As a preferred roof chandelier with good heat dissipation effect of the utility model, the surface of the copper tube is fixedly connected with a first support ring for supporting a metal-based heat sink, the top of the first support ring is in contact with the surface of the metal-based heat sink, both ends of the copper tube are provided with a first thread, the surface of the first thread is sleeved with a second support ring for pressing the metal-based heat sink, the top of the second support ring is provided with a nut for limiting the second support ring, and the interior of the nut is threadedly connected with the first thread opened on the surface of the copper tube.

[0014] As a preferred roof chandelier with good heat dissipation effect of the utility model, a fan for auxiliary heat dissipation is arranged inside the support, and the fan is used in conjunction with a metal-based heat dissipation plate. Ventilation holes for ventilation are opened on the surface of the support.

[0015] As a preferred roof chandelier with good heat dissipation effect of the utility model, the compensation mechanism includes a compensation water tank for compensating for coolant, a second thread is opened at the bottom of the surface of the compensation water tank, and the compensation water tank is threadedly connected to the copper pipe through the second thread, and a cover ring is arranged on the top of the compensation water tank, a third thread is opened on the top of the surface of the compensation water tank, and the compensation water tank is threadedly connected to the cover ring through the third thread.

[0016] As a preferred roof chandelier with good heat dissipation effect of the utility model, an elastic diaphragm is arranged inside the cover ring, and an anti-sliding block is fixedly connected to the surface of the cover ring. The number of the anti-sliding blocks is several and evenly distributed.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model provides a support, a lighting lamp, a connecting frame, a driving power supply and a heat dissipation component. The lighting lamp can be installed on the surface of the support through the connecting frame. The driving power supply can control the current of the lighting lamp. The heat dissipation component can cool and dissipate the driving power supply, thereby solving the problem of poor heat dissipation effect of the roof chandelier.

[0019] 2. The utility model provides a heat dissipation component, which can inject coolant into the copper tube. Since the copper tube is compatible with the driving power supply, the heat of the driving power supply heats the coolant through the copper tube. The heated coolant rises to both ends of the copper tube due to the high temperature. The hot coolant dissipates heat through the copper tube and the metal-based heat sink. The coolant sinks after dissipating the heat and cools the driving power supply again. This reciprocating cycle is repeated, and the mounting plate can provide limited support for the copper tube.

[0020] 3. The utility model can achieve the purpose of rapid heat dissipation by arranging metal-based heat sinks, connecting blocks and connecting pipes, and can increase the area in contact with the air through multiple groups of metal-based heat sinks. The connecting blocks can limit the intervals between the metal-based heat sinks so that the metal-based heat sinks maintain sufficient heat dissipation space. The connecting pipes can connect the liquids inside several copper tubes to achieve temperature communication and achieve the purpose of uniform heat dissipation.

[0021] 4. The utility model can support the bottom of the metal-based heat sink by setting a first support ring, a first thread, a second support ring and a nut, the second support ring can limit the top of the metal-based heat sink, the nut and the first thread can fix the second support ring and limit the metal-based heat sink. When a single metal-based heat sink is damaged or needs repair, the metal-based heat sink can be replaced or repaired by removing the nut and the second support ring.

[0022] 5. The utility model provides a fan and ventilation holes. By starting the fan, the fan blows external air onto the metal-based heat sink and the surface of the driving power supply to achieve the purpose of rapid cooling. The ventilation holes can facilitate the circulation of air inside and outside the support.

[0023] 6. The utility model provides a compensation mechanism, which can screw the compensation water tank to the inside of the copper tube through the second thread, and the cover ring can be connected to the cover ring through the third thread. By removing the cover ring, the coolant can be easily injected into the compensation water tank. At the same time, when the coolant expands due to heat, the expanded coolant can enter the inside of the compensation water tank to achieve pressure regulation.

[0024] 7. The utility model provides an elastic diaphragm and an anti-sliding block, which can realize pressure regulation inside the compensation water tank and the copper tube through the deformation of the elastic diaphragm caused by pressure. The anti-sliding block can facilitate the rotation of the cover ring, so as to facilitate the purpose of injecting coolant into the compensation water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0026] Figure 2 This is a three-dimensional diagram of the heat dissipation component of the utility model;

[0027] Figure 3 This is a stereoscopic diagram of the copper tube and the connecting tube of the utility model;

[0028] Figure 4 This is a three-dimensional diagram of the compensation mechanism of the utility model;

[0029] Figure 5 It is a three-dimensional diagram of the metal-based heat dissipation plate of the utility model.

[0030] In the figure: 1. support; 2. lighting; 3. connecting frame; 4. driving power supply; 5. copper tube; 6. metal-based heat sink; 7. mounting plate; 8. connecting block; 9. connecting pipe; 10. first supporting ring; 11. first thread; 12. second supporting ring; 13. nut; 14. fan; 15. ventilation hole; 16. compensation water tank; 17. second thread; 18. cover ring; 19. third thread; 20. elastic diaphragm; 21. anti-sliding block. DETAILED DESCRIPTION

[0031] Example 1

[0032] See also Figure 1-Figure 5 , a roof chandelier with good heat dissipation effect, comprising:

[0033] Support 1, used for connecting with the wall;

[0034] Illumination lamps 2, used for illumination, the number of the illumination lamps 2 is three and evenly distributed at the bottom of the support 1;

[0035] A connecting frame 3 is used to connect the illuminating lamp 2 and the support 1. The two ends of the connecting frame 3 are fixedly connected to the illuminating lamp 2 and the support 1 respectively. There are three connecting frames 3, which are evenly distributed.

[0036] A driving power source 4 is used to control the current stability. The driving power source 4 is located inside the support 1 and is fixedly connected to the bottom of the inner wall of the support 1;

[0037] The heat dissipation component is used to dissipate heat from the driving power source 4 , and the heat dissipation component is sleeved on the surface of the driving power source 4 .

[0038] The heat dissipation component includes a copper tube 5 for storing coolant. The middle part of the copper tube 5 is a protrusion that matches the driving power supply 4. Both ends of the copper tube 5 are bent upward. The copper tube 5 is divided into three groups and is evenly distributed on the surface of the driving power supply 4. Both ends of the surface of the copper tube 5 are sleeved with metal-based heat dissipation plates 6. Both sides of the driving power supply 4 are provided with mounting plates 7 for fixing the copper tube 5. The bottom of the mounting plate 7 is bonded to the bottom of the inner wall of the support 1 by double-sided tape. One end of the copper tube 5 is threadedly connected with a compensation mechanism, which can inject coolant into the copper tube 5. Since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the coolant through the copper tube 5. The heated coolant rises to both ends of the copper tube 5 due to the high temperature. The hot coolant dissipates heat through the copper tube 5 and the metal-based heat dissipation plate 6. The coolant that has dissipated the heat sinks and cools the driving power supply 4 again. The reciprocating cycle is repeated, and the mounting plate 7 can limit the support of the copper tube 5.

[0039] There are several metal-based heat sinks 6, which are evenly sleeved on the surface of the copper tube 5. Both sides of the bottom of the metal-based heat sink 6 are fixedly connected with connecting blocks 8 for separating and supporting the metal-based heat sink 6. A connecting pipe 9 is arranged on the surface of the driving power supply 4. There are several connecting pipes 9. The connecting pipe 9 is used to connect the three groups of copper tubes 5. It can pass through multiple groups of metal-based heat sinks 6 to increase the area in contact with the air and achieve the purpose of rapid heat dissipation. The connecting block 8 can limit the intervals between the metal-based heat sinks 6 so that the metal-based heat sink 6 maintains sufficient heat dissipation space. The connecting pipe 9 can connect the liquids inside several copper tubes 5 to achieve temperature communication and achieve the purpose of uniform heat dissipation.

[0040] A first support ring 10 for supporting the metal-based heat sink 6 is fixedly connected to the surface of the copper tube 5, and the top of the first support ring 10 contacts the surface of the metal-based heat sink 6. First threads 11 are provided at both ends of the copper tube 5. The surface of the first thread 11 is sleeved with a second support ring 12 for pressing the metal-based heat sink 6. A nut 13 for limiting the second support ring 12 is provided on the top of the second support ring 12. The interior of the nut 13 is threadedly connected to the first thread 11 provided on the surface of the copper tube 5, so as to support the bottom of the metal-based heat sink 6. The second support ring 12 can limit the top of the metal-based heat sink 6. The nut 13 and the first thread 11 can fix the second support ring 12 and limit the metal-based heat sink 6. When a single metal-based heat sink 6 is damaged or needs to be repaired, the metal-based heat sink 6 can be replaced or repaired by removing the nut 13 and the second support ring 12.

[0041] The lighting lamp 2 is mounted on the surface of the support 1 through the connecting frame 3, the driving power supply 4 can control the current of the lighting lamp 2, and the cooling liquid is injected into the copper tube 5. Since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the cooling liquid through the copper tube 5. The heated cooling liquid rises to both ends of the copper tube 5 due to the high temperature, and the hot cooling liquid dissipates heat through the copper tube 5 and the metal-based heat sink 6. The cooling liquid that has dissipated the heat sinks and cools the driving power supply 4 again. The reciprocating cycle can increase the area in contact with the air through multiple groups of metal-based heat sinks 6 to achieve the purpose of rapid heat dissipation. The connecting block 8 can The metal-based heat sink 6 maintains sufficient heat dissipation space, and the connecting pipe 9 can connect the liquids inside several copper tubes 5 to achieve temperature communication and achieve the purpose of uniform heat dissipation. The first support ring 10 supports the bottom of the metal-based heat sink 6, and the second support ring 12 can limit the top of the metal-based heat sink 6. The nut 13 and the first thread 11 can fix the second support ring 12 to limit the metal-based heat sink 6. When a single metal-based heat sink 6 is damaged or needs repair, the nut 13 and the second support ring 12 can be removed to replace or repair the metal-based heat sink 6.

[0042] Example 2

[0043] See also Figure 1-Figure 5 , a roof chandelier with good heat dissipation effect, comprising:

[0044] Support 1, used for connecting with the wall;

[0045] Illumination lamps 2, used for illumination, the number of the illumination lamps 2 is three and evenly distributed at the bottom of the support 1;

[0046] A connecting frame 3 is used to connect the illuminating lamp 2 and the support 1. The two ends of the connecting frame 3 are fixedly connected to the illuminating lamp 2 and the support 1 respectively. There are three connecting frames 3, which are evenly distributed.

[0047] A driving power source 4 is used to control the current stability. The driving power source 4 is located inside the support 1 and is fixedly connected to the bottom of the inner wall of the support 1;

[0048] The heat dissipation component is used to dissipate heat from the driving power source 4 , and the heat dissipation component is sleeved on the surface of the driving power source 4 .

[0049] The heat dissipation component includes a copper tube 5 for storing coolant. The middle part of the copper tube 5 is a protrusion that matches the driving power supply 4. Both ends of the copper tube 5 are bent upward. The copper tube 5 is divided into three groups and is evenly distributed on the surface of the driving power supply 4. Both ends of the surface of the copper tube 5 are sleeved with metal-based heat dissipation plates 6. Both sides of the driving power supply 4 are provided with mounting plates 7 for fixing the copper tube 5. The bottom of the mounting plate 7 is bonded to the bottom of the inner wall of the support 1 by double-sided tape. One end of the copper tube 5 is threadedly connected with a compensation mechanism, which can inject coolant into the copper tube 5. Since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the coolant through the copper tube 5. The heated coolant rises to both ends of the copper tube 5 due to the high temperature. The hot coolant dissipates heat through the copper tube 5 and the metal-based heat dissipation plate 6. The coolant that has dissipated the heat sinks and cools the driving power supply 4 again. The reciprocating cycle is repeated, and the mounting plate 7 can limit the support of the copper tube 5.

[0050] A fan 14 for assisting heat dissipation is provided inside the support 1. The fan 14 is used in conjunction with the metal-based heat sink 6. Ventilation holes 15 for ventilation are provided on the surface of the support 1. By starting the fan 14, the fan 14 blows external air onto the surface of the metal-based heat sink 6 and the driving power supply 4 to achieve the purpose of rapid cooling. The ventilation holes 15 can facilitate the circulation of air inside and outside the support 1.

[0051] The lighting lamp 2 is mounted on the surface of the support 1 through the connecting frame 3, and the driving power supply 4 can control the current of the lighting lamp 2. By injecting coolant into the copper tube 5, since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the coolant through the copper tube 5. The heated coolant rises to both ends of the copper tube 5 due to the high temperature, and the hot coolant dissipates heat through the copper tube 5 and the metal-based heat sink 6. The coolant that has dissipated the heat sinks and cools the driving power supply 4 again. The reciprocating cycle starts the fan 14, and the fan 14 blows external air onto the surface of the metal-based heat sink 6 and the driving power supply 4 to achieve the purpose of rapid cooling. The ventilation holes 15 can facilitate the circulation of air inside and outside the support 1 to achieve the purpose of rapid cooling.

[0052] Example 3

[0053] See also Figure 1-Figure 5 , a roof chandelier with good heat dissipation effect, comprising:

[0054] Support 1, used for connecting with the wall;

[0055] Illumination lamps 2, used for illumination, the number of the illumination lamps 2 is three and evenly distributed at the bottom of the support 1;

[0056] A connecting frame 3 is used to connect the illuminating lamp 2 and the support 1. The two ends of the connecting frame 3 are fixedly connected to the illuminating lamp 2 and the support 1 respectively. There are three connecting frames 3, which are evenly distributed.

[0057] A driving power source 4 is used to control the current stability. The driving power source 4 is located inside the support 1 and is fixedly connected to the bottom of the inner wall of the support 1;

[0058] The heat dissipation component is used to dissipate heat from the driving power source 4 , and the heat dissipation component is sleeved on the surface of the driving power source 4 .

[0059] The heat dissipation component includes a copper tube 5 for storing coolant. The middle part of the copper tube 5 is a protrusion that matches the driving power supply 4. Both ends of the copper tube 5 are bent upward. The copper tube 5 is divided into three groups and is evenly distributed on the surface of the driving power supply 4. Both ends of the surface of the copper tube 5 are sleeved with metal-based heat dissipation plates 6. Both sides of the driving power supply 4 are provided with mounting plates 7 for fixing the copper tube 5. The bottom of the mounting plate 7 is bonded to the bottom of the inner wall of the support 1 by double-sided tape. One end of the copper tube 5 is threadedly connected with a compensation mechanism, which can inject coolant into the copper tube 5. Since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the coolant through the copper tube 5. The heated coolant rises to both ends of the copper tube 5 due to the high temperature. The hot coolant dissipates heat through the copper tube 5 and the metal-based heat dissipation plate 6. The coolant that has dissipated the heat sinks and cools the driving power supply 4 again. The reciprocating cycle is repeated, and the mounting plate 7 can limit the support of the copper tube 5.

[0060] The compensation mechanism includes a compensation water tank 16 for compensating coolant. A second thread 17 is provided at the bottom of the surface of the compensation water tank 16. The compensation water tank 16 is threadedly connected to the copper tube 5 through the second thread 17. A cover ring 18 is provided at the top of the compensation water tank 16. A third thread 19 is provided at the top of the surface of the compensation water tank 16. The compensation water tank 16 is threadedly connected to the cover ring 18 through the third thread 19. The compensation water tank 16 can be screwed onto the inside of the copper tube 5 through the second thread 17 by twisting the compensation water tank 16. The cover ring 18 can be connected to the cover ring 18 through the third thread 19. By removing the cover ring 18, the coolant can be easily injected into the compensation water tank 16. At the same time, when the coolant expands due to heat, the expanded coolant can enter the inside of the compensation water tank 16 to achieve pressure regulation.

[0061] An elastic diaphragm 20 is arranged inside the cover ring 18, and an anti-sliding block 21 is fixedly connected to the surface of the cover ring 18. There are several anti-sliding blocks 21, which are evenly distributed. The pressure inside the compensation water tank 16 and the copper tube 5 can be regulated by the deformation of the elastic diaphragm 20 caused by pressure. The anti-sliding block 21 can facilitate the rotation of the cover ring 18, so as to facilitate the purpose of injecting coolant into the compensation water tank 16.

[0062] The lighting lamp 2 is mounted on the surface of the support 1 through the connecting frame 3, and the driving power supply 4 can control the current of the lighting lamp 2. By injecting coolant into the copper tube 5, since the copper tube 5 is adapted to the driving power supply 4, the heat of the driving power supply 4 heats the coolant through the copper tube 5. The heated coolant rises to both ends of the copper tube 5 due to the high temperature. The hot coolant dissipates heat through the copper tube 5 and the metal-based heat sink 6. The coolant sinks after dissipating the heat and cools the driving power supply 4 again. The reciprocating cycle is repeated. By twisting the compensating water tank 16, the compensating water tank 16 passes through the first The second thread 17 is screwed into the inside of the copper tube 5, and the cover ring 18 can be connected to the cover ring 18 through the third thread 19. By removing the cover ring 18, the coolant can be easily injected into the compensation water tank 16. At the same time, when the coolant expands due to heat, the expanded coolant can enter the inside of the compensation water tank 16 to achieve pressure regulation. The elastic diaphragm 20 is deformed by the pressure to achieve pressure regulation inside the compensation water tank 16 and the copper tube 5. The anti-sliding block 21 can easily rotate the cover ring 18, so as to facilitate the purpose of injecting coolant into the compensation water tank 16.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ceiling chandelier with good heat dissipation effect, characterized in that: include: A support (1) used for connecting to a wall; Illuminating lamps (2) for illumination, wherein the number of the illuminating lamps (2) is three and they are evenly distributed at the bottom of the support (1); A connecting frame (3) is used to connect the illuminating lamp (2) and the support (1), the two ends of the connecting frame (3) are respectively fixedly connected to the illuminating lamp (2) and the support (1), and the number of the connecting frames (3) is three and they are evenly distributed; A driving power source (4) is used to control the current to be stable, and the driving power source (4) is located inside the support (1) and is fixedly connected to the bottom of the inner wall of the support (1); The heat dissipation component is used to dissipate heat from the driving power source (4), and the heat dissipation component is sleeved on the surface of the driving power source (4).

2. A ceiling chandelier with good heat dissipation effect according to claim 1, characterized in that: The heat dissipation component comprises a copper tube (5) for storing coolant, the middle of the copper tube (5) presents a protrusion which cooperates with the driving power supply (4), both ends of the copper tube (5) are bent upwards, the copper tube (5) is in three groups and is evenly distributed on the surface of the driving power supply (4), both ends of the surface of the copper tube (5) are sleeved with a metal-based heat dissipation plate (6), both sides of the driving power supply (4) are provided with a mounting plate (7) for fixing the copper tube (5), the bottom of the mounting plate (7) is bonded to the bottom of the inner wall of the support (1) by double-sided adhesive, and one end of the copper tube (5) is threadedly connected with a compensation mechanism.

3. A ceiling chandelier with good heat dissipation effect according to claim 2, characterized in that: The number of the metal-based heat sinks (6) is several and they are evenly sleeved on the surface of the copper tube (5). Both sides of the bottom of the metal-based heat sink (6) are fixedly connected with connection blocks (8) used for separating and supporting the metal-based heat sink (6). The surface of the driving power source (4) is provided with a connecting pipe (9). The number of the connecting pipes (9) is several and the connecting pipes (9) are used for connecting the three groups of copper tubes (5).

4. A roof chandelier with good heat dissipation effect according to claim 3, characterized in that: A first support ring (10) for supporting a metal-based heat sink (6) is fixedly connected to the surface of the copper tube (5); the top of the first support ring (10) contacts the surface of the metal-based heat sink (6); first threads (11) are provided at both ends of the copper tube (5); a second support ring (12) for pressing the metal-based heat sink (6) is sleeved on the surface of the first thread (11); a nut (13) for limiting the second support ring (12) is provided on the top of the second support ring (12); the interior of the nut (13) is threadedly connected to the first thread (11) provided on the surface of the copper tube (5).

5. The roof chandelier with good heat dissipation effect according to claim 2, characterized in that: A fan (14) for assisting heat dissipation is arranged inside the support (1), and the fan (14) is used in conjunction with a metal-based heat dissipation plate (6). Ventilation holes (15) for ventilation are provided on the surface of the support (1).

6. A roof chandelier with good heat dissipation effect according to claim 2, characterized in that: The compensation mechanism comprises a compensation water tank (16) for compensating coolant, a second thread (17) is provided at the bottom of the surface of the compensation water tank (16), the compensation water tank (16) is threadedly connected to the copper tube (5) via the second thread (17), a cover ring (18) is provided at the top of the compensation water tank (16), a third thread (19) is provided at the top of the surface of the compensation water tank (16), and the compensation water tank (16) is threadedly connected to the cover ring (18) via the third thread (19).

7. A roof chandelier with good heat dissipation effect according to claim 6, characterized in that: An elastic diaphragm (20) is arranged inside the cover ring (18), and an anti-sliding block (21) is fixedly connected to the surface of the cover ring (18), and the number of the anti-sliding blocks (21) is several and evenly distributed.

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