CN204717475U - A kind of LED downlight - Google Patents

Abstract

The utility model discloses an LED downlight, including an outer cover and a radiator, a lens is arranged in the outer cover, a lens pressure ring is arranged at the lens opening, a tempered glass is arranged on the lens pressure ring, the tempered glass is pressed at the opening of the outer cover, a first waterproof ring is arranged at the opening of the outer cover, a second waterproof ring is arranged outside the outer cover, a power supply is arranged in the radiator, a bottom cover is arranged at the lower end of the radiator, an aluminum substrate pad is arranged at the upper end of the radiator, a light source fixing bracket is arranged in the middle of the aluminum substrate pad, an LED light source is arranged on the light source fixing bracket, a third waterproof gasket is arranged on the aluminum substrate pad, an input line is arranged in the middle of the bottom cover, the input line is fixed by a wire fixing bracket, and a conductive sheet is arranged on the lower end surface of the bottom cover. The utility model has a compact structure, a small volume and good heat dissipation performance.

Description

A kind of LED downlight

technical field

The utility model relates to an LED lamp, in particular to an LED downlight.

Background technique

LED is a solid-state light-emitting element made of semiconductor materials, which has the characteristics of fast response, small size, low power consumption, shock resistance, and environmental protection.

With the continuous improvement of people's living standards and the continuous improvement of manufacturing technology, all kinds of lamps and light sources are constantly being introduced, which makes the user's demand for lamps continue to increase, resulting in a rapid increase in lighting power consumption. Therefore, LEDs are highly efficient and save energy. Electric light sources are born in response, and with the development and maturity of technology, the performance indicators of LEDs have been greatly improved. At present, the luminous efficacy of white light has already reached or even exceeded the luminous efficacy level of ordinary incandescent lamps, and the luminous flux and color rendering are also increasing. increase in magnitude.

At present, a downlight using a halogen lamp as a light source is composed of a halogen lamp cup, a downlight housing, a lamp holder, an electronic transformer, an outer housing of the downlight, a lamp holder, a ceramic lamp holder, a halogen lamp cup and an electronic voltage transformer. Indoor lighting fixtures composed of streamers. The downlight with the above structural design is not only complicated in structure, large in size and high in energy consumption, but also has high temperature and poor heat dissipation during operation, which cannot meet the increasingly higher requirements of consumers for downlights.

Utility model content

The purpose of this utility model is to provide an LED downlight with compact structure, small volume and good heat dissipation performance aiming at the above-mentioned defects of the prior art.

In order to solve the above-mentioned defects of the prior art, the technical solution provided by the utility model is: an LED downlight, including an outer cover and a radiator, a lens is arranged inside the outer cover, and a lens pressure ring is arranged at the opening of the lens. A toughened glass is arranged on the lens pressure ring, the toughened glass is pressed against the opening of the outer cover, a first waterproof ring is arranged at the opening of the outer cover, and a second waterproof ring is arranged on the outer cover of the outer cover. There is a power supply inside the radiator, the lower end of the radiator is provided with a bottom cover, the upper end of the radiator is provided with an aluminum substrate block, and the middle part of the upper end of the aluminum substrate block is provided with a light source fixing bracket, and the light source is fixed An LED light source mounting hole is provided in the middle of the bracket, an LED light source is provided on the upper end surface of the aluminum substrate pad corresponding to the LED light source mounting hole, and a first insulating sheet is provided in the middle of the lower end surface of the aluminum substrate pad, A third waterproof gasket is provided between the aluminum substrate spacer and the inner wall of the outer cover, an input line is provided at the middle of the lower end of the bottom cover, and a second insulating sheet is provided at the middle of the upper end of the bottom cover, and the input line passes through a The wire fixing frame is fixed, and a conductive sheet is provided on the lower surface of the bottom cover. The input end of the power supply is electrically connected to the input wire, the output end of the power supply is electrically connected to the LED light source, and the input wire is electrically connected to the input wire. The junction of the bottom cover is provided with a wire protection waterproof cap.

As an improvement of the LED downlight of the utility model, the light source fixing bracket is fixed on the aluminum substrate spacer by a plurality of light source fixing screws.

As an improvement of the LED downlight of the present invention, the aluminum substrate block is fixed on the inner wall of the outer cover by a plurality of aluminum substrate block fixing screws.

As an improvement of the LED downlight of the utility model, the bottom cover is fixed on the lower end of the radiator by a plurality of bottom cover fixing screws.

As an improvement of the LED downlight of the utility model, the wire fixing frame is fixed on the bottom cover by a plurality of wire fixing frame screws.

As an improvement of the LED downlight of the utility model, the conductive sheet is fixed on the bottom cover by a plurality of conductive sheet screws and O-shaped gaskets.

As an improvement of the LED downlight of the utility model, two corresponding installation clips are provided on the outer side of the outer cover.

Compared with the prior art, the utility model has the advantages that: the utility model adopts the LED light source to be installed on the aluminum base plate cushion block at the upper end of the radiator, and uses the heat-conducting silicone grease with high thermal conductivity to make the aluminum base plate cushion block and the radiator have no contact with each other. Seam connection, when the LED light source heats up, speed up the heat conduction speed of the LED light source to the radiator. At the same time, there are multiple cooling fins on the surface of the radiator, which increases the surface cooling area of the radiator and improves the cooling efficiency of the radiator, so that the LED downlight has a better cooling effect. In addition, the heat generated by the LED chip passes through The aluminum substrate block conducts to the radiator, which improves the heat conduction efficiency, further improves the heat dissipation effect of the LED downlight, and prolongs the service life of the LED downlight. Moreover, the assembly structure of the utility model is quite compact, which greatly reduces the volume of the product, thereby reducing the production cost. The connection of each part of the utility model is connected by screws, the assembly is convenient, and each part can be replaced.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model.

Fig. 2 is a schematic diagram of explosion of the utility model.

Names of reference signs: 1. Outer cover 2. Radiator 3. Lens 4. Lens pressure ring 5. Tempered glass 6. First waterproof ring 7. Second waterproof ring 8. Power supply 9. First insulating sheet 10. Bottom cover 11 , Aluminum substrate spacer 12. Light source fixing bracket 13. LED light source 14. Third waterproof gasket 15. Input line 16. Wire fixing frame 17. Conductive sheet 18. Light source fixing screw 19. Aluminum substrate spacer fixing screw 20. Bottom cover Fixing screw 21, wire fixing frame screw 22, conductive sheet screw 23, O-shaped gasket 24, installation clip 25 wire protection waterproof cap 26, LED light source installation hole 27, second insulating sheet.

Detailed ways

Below just will further describe the utility model according to accompanying drawing.

As shown in Figures 1 and 2, an LED downlight includes an outer cover 1 and a radiator 2. A lens 3 is arranged inside the outer cover 1, and a lens pressure ring 4 is arranged at the opening of the lens 3, and a tempered lens ring 4 is provided on the lens pressure ring 4. Glass 5 and toughened glass 5 are pressed on the opening of the outer cover 1, a first waterproof ring 6 is arranged at the opening of the outer cover 1, a second waterproof ring 7 is arranged on the outer cover of the outer cover 1, a power supply 8 is arranged in the radiator 2, and a radiator The lower end of the radiator 2 is provided with a bottom cover 10, the upper end of the radiator 2 is provided with an aluminum substrate spacer 11, the middle part of the upper end of the aluminum substrate spacer 11 is provided with a light source fixing bracket 12, and the middle part of the light source fixing bracket 12 is provided with an LED light source installation hole 26 An LED light source 13 is provided at the position corresponding to the LED light source installation hole 26 on the upper end surface of the aluminum substrate spacer 11, and a first insulating sheet 9 is provided in the middle of the lower end surface of the aluminum substrate spacer 11, between the aluminum substrate spacer 11 and the inner wall of the outer cover 1 A third waterproof gasket 14 is arranged between them, an input line 15 is provided in the middle part of the lower end of the bottom cover 10, a second insulating sheet 27 is provided in the middle part of the upper end of the bottom cover 10, the input line 15 is fixed by a wire fixing frame 16, and the lower end surface of the bottom cover 10 is provided with There is a conductive sheet 17, the input end of the power supply 8 is electrically connected to the input line 15, the output end of the power supply 8 is electrically connected to the LED light source 13, and a wire protection waterproof cap 25 is provided at the junction of the input line 15 and the bottom cover 10.

Preferably, the light source fixing bracket 12 is fixed on the aluminum substrate spacer 11 through a plurality of light source fixing screws 18 .

Preferably, the aluminum substrate spacer 11 is fixed on the inner wall of the housing 1 by a plurality of aluminum substrate spacer fixing screws 19 .

Preferably, the bottom cover 10 is fixed on the lower end of the radiator 2 by a plurality of bottom cover fixing screws 20 .

Preferably, the wire fixing frame 16 is fixed on the bottom cover 10 through a plurality of wire fixing frame screws 21 .

Preferably, the conductive sheet 17 is fixed on the bottom cover 10 through a plurality of conductive sheet screws 22 and O-shaped gaskets 23 .

Preferably, two mounting clips 24 corresponding to each other are provided on the outer side of the cover 1 . The installation clip 24 is used to fix the product, which is convenient for installation.

The assembly process of the utility model: firstly press the first waterproof ring 6, the tempered glass 5, and the lens pressure ring 4 into the outer cover 1 sequentially, put the power supply 8 into the radiator 2, and set the first An insulating sheet 9 (the first insulating sheet 9 is a barley paper member), a second insulating sheet 27 is arranged in the middle of the upper end of the bottom cover 10 (the second insulating sheet 27 is a barley paper member), and the aluminum substrate pad 11 passes through a plurality of aluminum substrates The spacer fixing screws 19 are fixed on the inner wall of the outer cover 1, the middle part of the aluminum substrate spacer 11 fixes the light source fixing bracket 12 through a plurality of light source fixing screws 18, and the gap between the connection between the aluminum substrate spacer 11 and the heat sink 2 is passed through the heat-conducting silicon The grease seal is convenient for the heat diffusion of the LED light source 13 and reduces the light decay of the LED light source 13. The lower end of the radiator 2 fixes the bottom cover 10 through a plurality of bottom cover fixing screws 20, and the middle part of the bottom cover 10 fixes the input line through a wire fixing frame 16. 15. The wire fixing frame 16 is fixed on the bottom cover 10 through a plurality of wire fixing frame screws 21, the lower end surface of the bottom cover 10 is fixed with a plurality of conductive sheet screws 22 and an O-shaped gasket 23 to fix the conductive sheet 17, and the LED light source 13 is aligned with the lens The lower end of 3 is open, and then the assembled radiator 2 is fixed on the outer cover 1, and two corresponding mounting clips 24 are provided on the outer side of the outer cover 1 to facilitate installation.

The utility model adopts LED light source 13 to be installed on the aluminum substrate spacer 11 of radiator 2 upper end, when LED light source 13 heats up, accelerates the speed of LED light source 13 to heat conduction to radiator. At the same time, the surface of the radiator 2 has a plurality of heat dissipation fins, which increases the surface heat dissipation area of the radiator 2 and improves the heat dissipation efficiency of the radiator 2, so that the LED downlight has a better heat dissipation effect. In addition, the aluminum substrate pad The block 11 is fixed on the heat sink 2 by screws, and the heat generated by the LED chip is conducted to the heat sink 2 through the aluminum substrate block 11, which improves the heat conduction efficiency, further improves the heat dissipation effect of the LED downlight, and prolongs the life of the LED downlight. The service life of the downlight.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also make appropriate changes and modifications to the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (7)

1. a LED down, comprise outer cover (1) and radiator (2), it is characterized in that, lens (3) are provided with in described outer cover (1), described lens (3) opening part is provided with a lens chuck ring (4), described lens chuck ring (4) is provided with a safety glass (5), described safety glass (5) is pressed in the opening part of described outer cover (1), the first water proof ring (6) is provided with at the opening part of described outer cover (1), the second water proof ring (7) is arranged with outside described outer cover (1), a power supply (8) is provided with in described radiator (2), the lower end of described radiator (2) is provided with a bottom (10), the upper end of described radiator (2) is provided with an aluminium base cushion block (11), the upper center of described aluminium base cushion block (11) is provided with a light source fixed support (12), the middle part of described light source fixed support (12) is provided with a LED light source installing hole (26), the position of the corresponding described LED light source installing hole (26) in described aluminium base cushion block (11) upper surface is provided with a LED light source (13), the first insulating trip (9) is provided with in the middle part of the lower surface of described aluminium base cushion block (11), the 3rd waterproof washer (14) is provided with between described aluminium base cushion block (11) and described outer cover (1) inwall, an input line (15) is provided with in the middle part of described bottom (10) lower end, described bottom (10) upper center is provided with the second insulating trip (27), described input line (15) is fixed by a wire holder (16), described bottom (10) lower surface is provided with a conducting strip (17), the input of described power supply (8) is electrically connected with described input line (15), the output of described power supply (8) is electrically connected with described LED light source (13), described input line (15) is provided with an electric wire with the junction of described bottom (10) and protects tarpaulin (25).

2. LED down according to claim 1, is characterized in that, described light source fixed support (12) is fixed on described aluminium base cushion block (11) by multiple light source fixed screw (18).

3. LED down according to claim 1, is characterized in that, described aluminium base cushion block (11) is fixed on described outer cover (1) inwall by multiple aluminium base cushion block fixed screw (19).

4. LED down according to claim 1, is characterized in that, described bottom (10) is fixed on the lower end of described radiator (2) by multiple bottom fixed screw (20).

5. LED down according to claim 1, is characterized in that, described wire holder (16) is fixed on described bottom (10) by multiple wire holder screw (21).

6. LED down according to claim 1, is characterized in that, described conducting strip (17) is fixed on described bottom (10) by multiple conducting strip screw (22) and O type pad (23).

7. LED down according to claim 1, is characterized in that, the outside of described outer cover (1) is provided with two mutual corresponding installation clips (24).