Embedded downlight

Abstract

The utility model relates to an embedded downlight, which comprises a first radiator, a lamp tube, a lampshade, a heat conducting plate, an LED chip, a chip bracket and a driving power supply, and is characterized in that the LED chip is arranged on the chip bracket, the chip bracket is attached to the bottom surface of the heat conducting plate, and the top surface of the heat conducting plate is attached to the lower surface of the first radiator. The utility model also comprises at least one superimposed heat dissipation module, the superimposed heat dissipation module comprises a heat conducting connecting plate and a second radiator, and a first screw hole is arranged at the center of the first radiator. The utility model modularizes the radiator, and the superimposed heat dissipation modules can be continuously superimposed. The utility model improves the heat dissipation efficiency by adding superimposed heat dissipation modules, and the superimposed heat dissipation modules can better dissipate heat for the LED chip. Enterprises can add superimposed heat dissipation modules according to the power requirements of their own designs, so that the lamp can meet the required power requirements, thereby meeting the user's requirements for lamps of different powers.

Description

Technical Field

[0001] The utility model relates to the technical field of spotlights, in particular to a embedded downlight. Background Art

[0002] LED embedded downlight is a high-end hotel and commercial club lamp, which is characterized by low power consumption, long life, high brightness, etc. It is particularly suitable for various indoor commercial places, supermarkets, clothing, catering and various stores, hotels, etc. However, the existing downlights have the following shortcomings: At present, the downlights on the market are all fixed-power, and customers need to customize new downlights for different areas. It is very troublesome to make different powers of the same downlight, and the production and processing are very troublesome. If the same radiator is used, a lot of inventory will be reduced, and social resources can be used more effectively. Utility Model Content

[0003] The utility model aims to provide a recessed downlight which is easy to assemble.

[0004] A recessed downlight comprises a first radiator, a lamp tube, a lampshade, a heat conducting plate, an LED chip, a chip bracket and a driving power supply, wherein the LED chip is arranged on the chip bracket, the chip bracket is attached to the bottom surface of the heat conducting plate, the top surface of the heat conducting plate is attached to the lower surface of the first radiator, and the LED chip is arranged on the chip bracket. The LED chip is arranged on the chip bracket, the chip bracket is attached to the bottom surface of the heat conducting plate, and the top surface of the heat conducting plate is attached to the lower surface of the first radiator. The LED chip is also arranged on the chip bracket, the chip bracket is attached to the bottom surface of the heat conducting plate, and the top surface of the heat conducting plate is attached to the lower surface of the first radiator. The LED chip is also arranged on the chip bracket, the chip bracket is attached to the bottom surface of the heat conducting plate, and the top surface of the heat conducting plate is attached to the bottom surface of the heat conducting plate. The heat conducting plate is provided with a screw that penetrates the upper surface and the lower surface of the heat conducting plate, and the lower end and the upper end of the screw are respectively threadedly connected with the first screw hole of the first radiator and the second screw hole of the second radiator. The utility model modularizes the radiator, and the superimposed heat dissipation modules can be continuously superimposed. The utility model improves the heat dissipation efficiency by adding superimposed heat dissipation modules, and the superimposed heat dissipation modules can better dissipate heat for the LED chip. The enterprise can add superimposed heat dissipation modules according to the power requirements of its own design, so that the lamp can meet the required power requirements, thereby meeting the user's requirements for lamps of different powers.

[0005] The present invention can also be further improved as follows.

[0006] The heat conducting connecting piece is made of copper. Copper has high thermal conductivity and can quickly conduct heat to the superimposed heater without causing a large temperature difference.

[0007] The first radiator has the same structure as the second radiator. The second radiator includes a heat-conducting top plate and a heat-conducting bottom plate. A plurality of parallel heat-dissipating fins are arranged between the heat-conducting top plate and the heat-conducting bottom plate. The top and bottom of the heat-dissipating fins are respectively connected to the heat-conducting top plate and the heat-conducting bottom plate. A heat-dissipating channel is formed between two adjacent heat-dissipating fins. Both ends of the heat-dissipating channel are open. The heat-conducting top plate and the heat-conducting bottom plate can prevent dust from entering and falling into the heat-dissipating channel, thereby preventing dust from affecting heat exchange and increasing the service life of the radiator.

[0008] The second screw hole passes through the top surface and the bottom surface of the second radiator. The utility model has a reasonable structural design and is convenient for connecting the upper and lower superimposed radiating modules.

[0009] The top surface of the heat-conducting top plate is provided with upper heat dissipation holes connected with the heat dissipation channel, which effectively improves the heat dissipation efficiency.

[0010] The bottom surface of the heat-conducting bottom plate is provided with lower heat dissipation holes connected with the heat dissipation channel to effectively improve heat dissipation efficiency.

[0011] The heat-conducting connecting piece and the lower heat dissipation hole are arranged in a staggered manner to prevent the heat-conducting connecting piece from blocking the heat dissipation of the lower heat dissipation hole.

[0012] The first heat sink and the lamp tube are respectively provided with a first avoidance hole and a second avoidance hole. The power line of the driving power source passes through the first avoidance hole and the second avoidance hole and extends into the lamp tube. The power line of the driving power source is connected to the LED chip.

[0013] The utility model comprises a plurality of the stacked heat dissipation modules, wherein the second heat sinks of the plurality of the stacked heat dissipation modules are sequentially stacked on the first heat sink, and the lower end and the upper end of the screw are respectively threadedly connected with the second screw holes of the upper and lower adjacent two second heat sinks.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model modularizes the radiator, and the superimposed heat dissipation modules can be continuously superimposed. The utility model improves the heat dissipation efficiency by adding superimposed heat dissipation modules. The superimposed heat dissipation modules can better dissipate heat for LED chips. Enterprises can add superimposed heat dissipation modules according to the power requirements of their own designs, so that the lamps can meet the required power requirements, thereby meeting the user's requirements for lamps of different powers.

[0016] The utility model makes the radiator have better heat dissipation effect through the reasonable design of the radiator. The superposition scheme and modular structure of the radiator effectively reduce the styles of customers' stock, effectively reduce the factory inventory, make better use of social resources, and also solve the adjustment problem when customers install lamps on site.

[0017] 3. The utility model achieves improved production efficiency and a more reasonable structure through a scientific and verified reasonable structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the embedded downlight of the utility model.

[0019] Figure 2 It is a top view of the embedded downlight of the utility model.

[0020] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle.

[0021] Figure 4 It is an exploded view of the embedded downlight of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the superimposed heat dissipation module of the utility model.

[0023] Figure 6 It is a structural schematic diagram of the superimposed heat dissipation module of the utility model from another angle.

[0024] Figure 7 It is an exploded view of the superimposed heat dissipation module of the utility model.

[0025] Figure 8 It is a structural schematic diagram of the heat-conducting connecting piece of the utility model.

[0026] Fig. 9 It is a structural schematic diagram of the driving power supply of the utility model.

[0027] Fig.10 It is a structural schematic diagram of the utility model in which the embedded downlight has the superimposed heat dissipation module omitted.

[0028] Fig.11 It is a structural schematic diagram from another angle of the embedded downlight of the utility model in which the superimposed heat dissipation module is omitted.

[0029] Fig.12 This is an exploded view of the embedded downlight of the utility model after omitting the superimposed heat dissipation module.

[0030] Fig.13 It is a more detailed exploded view of the embedded downlight of the utility model after omitting the superimposed heat dissipation module. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Embodiment 1, as Figures 1 to 13As shown, a recessed downlight comprises a first radiator 6, a lamp tube 1, a lampshade 4, a heat conducting plate 5, an LED chip 3, a chip holder 2, a driving power supply 9 and two superimposed heat dissipation modules 70, wherein the LED chip 3 is arranged on the chip holder 2, the chip holder 2 is attached to the bottom surface of the heat conducting plate 5, the top surface of the heat conducting plate 5 is attached to the lower surface of the first radiator 6, and the two superimposed heat dissipation modules are stacked in sequence on the first radiator 6, the first superimposed heat dissipation module 70 is arranged on the upper surface of the first radiator 6, and the second superimposed heat dissipation module is stacked on the top of the first superimposed heat dissipation module 70.

[0033] The stacked heat dissipation module 70 includes a heat conductive connecting sheet 8 and a second heat sink 7, a first screw hole 61 is provided at the center of the first heat sink 6, a second screw hole 76 is provided at the center of the second heat sink 7, a screw 81 is provided on the heat conductive connecting sheet 8 and passes through the upper and lower surfaces of the heat conductive connecting sheet 8, the lower end and upper end of the screw 81 of the first stacked heat dissipation module are respectively threadedly connected with the first screw hole 61 of the first heat sink 6 and the second screw hole 76 of the second heat sink 7, the upper end of the screw of the second stacked heat dissipation module is threadedly connected with the second screw hole 76 of the second heat sink 7 of the second stacked heat dissipation module, and the lower end of the screw of the second stacked heat dissipation module is threadedly connected with the second screw hole 76 of the second heat sink 7 of the first stacked heat dissipation module. The utility model can also stack multiple stacked heat dissipation modules 70 on the upper surface of the first heat sink 6.

[0034] As a more specific technical solution of the utility model.

[0035] The heat-conducting connecting sheet 8 is made of copper.

[0036] The first radiator 6 has the same structure as the second radiator 7. The second radiator 7 includes a heat-conducting top plate 71 and a heat-conducting bottom plate 72. A plurality of parallel heat-dissipating fins 73 are arranged between the heat-conducting top plate 71 and the heat-conducting bottom plate 72. The top and bottom of the heat-dissipating fins 73 are respectively connected to the heat-conducting top plate 71 and the heat-conducting bottom plate 72. A heat-dissipating channel 74 is formed between two adjacent heat-dissipating fins 73. Both ends of the heat-dissipating channel 74 are open.

[0037] The second screw hole 76 passes through the top surface and the bottom surface of the second heat sink 7 .

[0038] The top surface of the heat-conducting top plate 71 is provided with an upper heat dissipation hole 75 connected to the heat dissipation channel 74 .

[0039] The bottom surface of the heat-conducting bottom plate 72 is provided with a lower heat dissipation hole 77 which is connected to the heat dissipation channel 74 .

[0040] The heat-conducting connecting sheet 8 and the lower heat dissipation hole 77 are arranged in a staggered manner.

[0041] The first heat sink 6 and the lamp tube 1 are respectively provided with a first avoidance hole 62 and a second avoidance hole 11 , through which the power line 31 of the driving power source 9 passes and extends into the lamp tube 1 , and the power line 31 of the driving power source 9 is connected to the LED chip 3 .

Claims

1. A recessed downlight, comprising a first heat sink (6), a lamp tube (1), a lampshade (4), a heat conducting plate (5), an LED chip (3), a chip holder (2) and a driving power supply (9), wherein: The LED chip (3) is arranged on a chip support (2), the chip support (2) is attached to the bottom surface of a heat conducting plate (5), and the top surface of the heat conducting plate (5) is attached to the bottom surface of a first heat sink (6). The LED chip (3) is characterized in that it also includes at least one superimposed heat dissipation module (70), the superimposed heat dissipation module (70) includes a heat conducting connecting sheet (8) and a second heat sink (7), a first screw hole (61) is provided at the center of the first heat sink (6), a second screw hole (76) is provided at the center of the second heat sink (7), a screw rod (81) is provided on the heat conducting connecting sheet (8) and passes through the upper surface and the lower surface of the heat conducting connecting sheet (8), and the lower end and the upper end of the screw rod (81) are respectively threadedly connected to the first screw hole (61) of the first heat sink (6) and the second screw hole (76) of the second heat sink (7).

2. The embedded downlight according to claim 1, characterized in that: The heat-conducting connecting sheet (8) is made of copper.

3. The embedded downlight according to claim 1, characterized in that: The first heat sink (6) and the second heat sink (7) have the same structure. The second heat sink (7) comprises a heat-conducting top plate (71) and a heat-conducting bottom plate (72). A plurality of heat-conducting fins (73) arranged in parallel are arranged between the heat-conducting top plate (71) and the heat-conducting bottom plate (72). The top and bottom of the heat-conducting fins (73) are respectively connected to the heat-conducting top plate (71) and the heat-conducting bottom plate (72). A heat-dissipating channel (74) is formed between two adjacent heat-dissipating fins (73). Both ends of the heat-dissipating channel (74) are open.

4. The embedded downlight according to claim 1, characterized in that: The second screw hole (76) passes through the top surface and the bottom surface of the second heat sink (7).

5. The embedded downlight according to claim 1, characterized in that: The top surface of the heat-conducting top plate (71) is provided with an upper heat dissipation hole (75) that is in communication with the heat dissipation channel (74).

6. The embedded downlight according to claim 1, characterized in that: The bottom surface of the heat-conducting bottom plate (72) is provided with a lower heat dissipation hole (77) that is in communication with the heat dissipation channel (74).

7. The embedded downlight according to claim 6, characterized in that: The heat-conducting connecting sheet (8) and the lower heat dissipation hole (77) are arranged in a staggered manner.

8. The embedded downlight according to claim 1, characterized in that: The first heat sink (6) and the lamp tube (1) are respectively provided with a first avoidance hole (62) and a second avoidance hole (11); a power line of the driving power source (9) passes through the first avoidance hole (62) and the second avoidance hole (11) and extends into the lamp tube (1); the power line of the driving power source (9) is connected to the LED chip (3).

9. The embedded downlight according to claim 1, characterized in that: It comprises a plurality of the stacked heat dissipation modules (70), wherein the second heat sinks (7) of the plurality of the stacked heat dissipation modules (70) are stacked in sequence on the first heat sink (6), and the lower end and the upper end of the screw rod (81) are respectively threadedly connected to the second screw holes (76) of the upper and lower adjacent two second heat sinks (7).

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