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Spot lamp

A spotlight and bottom plate technology, applied in the field of spotlights, can solve the problems of LED light-emitting elements burnout, short service life of spotlights, inconvenient use of spotlights, etc., to prolong service life, increase contact area, and avoid overheating Effect

Inactive Publication Date: 2009-12-09
潘殿波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, because the lower surface 12 of the existing spotlight base plate 11 is flat, the lower surface 12 has a small contact area with water or air, and its heat dissipation capacity is limited, which often cannot meet the working requirements of the spotlight, which easily causes the LED light-emitting element to burn out and the spotlight The service life is short, and spotlights installed on boats or swimming pools need to be replaced frequently, which brings great inconvenience to the use of spotlights

Method used

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Examples

Experimental program
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Effect test

no. 1 example

[0028] see Figure 4 and Figure 5 , the lower casing 30 of the present embodiment includes a base plate 31, the base plate 31 has an upper surface 32, a lower surface 33 and a side wall 34, and an annular wall portion 37 is provided on the upper surface 32, and the wall portion 37 and the base plate 31 The upper surface 32 of the body defines a cavity 38 with an opening. An LED lamp group board is fixedly installed in the cavity 38, and the LED lamp group board includes a circuit board and a plurality of LED light-emitting elements mounted on the circuit board.

[0029] The center of the base plate 11 is provided with a through hole, which is the threading hole 39 of this embodiment, through which the wires connected to the circuit board of the LED lamp group board pass through the threading hole 39, and are connected with an external power source to supply power to the circuit board.

[0030] The upper casing of the spotlight is located outside the wall portion 37 to seal ...

no. 2 example

[0041]The spotlight in this embodiment has an upper shell and a lower shell, wherein the lower shell has a bottom plate, and the upper surface of the bottom plate is provided with a cavity, and the LED lamp group board is installed in the cavity, which is the same as the first embodiment.

[0042] see Figure 8 and Figure 9 , in this embodiment, the bottom plate 51 of the lower housing 50 has an upper surface 52, a lower surface 53 and a side wall 54, the lower surface 53 and the side wall 54 form an open cavity 60, and the cavity 60 is provided with multiple A concentric circle 65 as a protrusion in this embodiment extends downward from the lower surface 53 of the bottom plate 51 along the axis of the bottom plate 51, and the center of the concentric circle 65 is located at the center of the bottom plate 51.

[0043] Depend on Figure 8 It can be seen that there is a gap between two adjacent concentric circles 65, which facilitates the flow of water through the gap and inc...

no. 3 example

[0047] see Figure 10 In the present embodiment, the lower surface 73 of the bottom plate of the lower housing 70 and the side wall 74 form an open cavity, and a plurality of ribs 76 are arranged in the cavity, and the ribs 76 are radially arranged in the cavity from the center of the bottom plate. in vivo.

[0048] Three fixing feet 75 are arranged on the lower surface 73 of the bottom plate. In this embodiment, the distance between the lower end surface of the rib 76 and the upper surface of the bottom plate is equal to the distance between the lower end surface of the side wall 74 and the upper surface of the bottom plate, and is smaller than the distance between the lower end surface of the side wall 74 and the upper surface of the bottom plate, and is smaller than the distance between the lower end surface of the rib 76 and the upper surface of the bottom plate, and is smaller than the distance between the lower end surface of the rib 76 and the upper surface of the bottom...

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PUM

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Abstract

The invention provides a spot lamp, comprising an upper shell body and a lower shell body, wherein the lower shell body is provided with a baseboard, the baseboard is provided with an upper surface, a lower surface and a side wall; a plurality of fixed feet are arranged on the lower surface of the baseboard, the distance between the lower end faces of the fixed feet and the upper surface of the baseboard is greater than the distance between the lower end face of the side wall and the upper surface of the baseboard, a wall part is arranged on the upper surface of the baseboard, and the wall part and the upper surface of the baseboard enclose to form a cavity with an opening; the upper shell body of the spot lamp is used for sealing the opening of the cavity, and LED lamp group boards are fixedly mounted in the cavity, wherein the lower surface of the baseboard and the side wall enclose to form a cavity with an opening, the body cavity is provided with heat dissipation components, a radiating component is arranged in the cavity and comprises a plurality of convex pieces extending downwards along the axis of the baseboard from the lower surface of the baseboard. The spot lamp provided by the invention has good radiating performance and long service life, and can avoid frequent replacement.

Description

technical field [0001] The invention relates to a lamp, in particular to a spotlight which works underwater for a long time. Background technique [0002] LED lamps are used as lamps, which have the advantages of energy saving, long service life and high luminous brightness. They have been widely used in lighting, decoration and other types of lamps. Use, or LED lights installed on the bottom or wall of the swimming pool can provide brightness for swimmers at night, etc. These LED lights work underwater for a long time as spotlights, and water flow is used to reduce the high temperature of the spotlights due to the heat generated during the work process. [0003] There is a spotlight such as figure 1 As shown, it has an upper shell and a lower shell 10, the lower shell 10 includes a bottom plate 11, and the bottom plate 11 has an upper surface 12, a lower surface 13 ( figure 2 Shown) and the side 14 connecting the upper surface 12 and the lower surface 13. On the lower ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/00F21V29/00F21V15/02F21V17/10F21Y101/02F21V29/74F21Y115/10
Inventor 潘殿波
Owner 潘殿波