CN208920014U - A kind of LED downlight pedestal with heat sinking function - Google Patents

Abstract

The utility model is to be related to the technical field of LED downlight lamp holder, it is specifically related to a kind of LED downlight pedestal with heat sinking function, including lamp holder, four groups of cooling fin groups are set on the lamp holder, and contain several cooling fins in every group of cooling fin group, the cooling fin is fixedly connected through lamp holder and with lamp holder, the lamp holder lower end is fixedly connected with the mounting cylinder through lamp holder, the mounting cylinder, which protrudes on the outer wall in lamp holder, offers screw thread two, the lamp holder outer wall is fixedly connected with support frame, gear cylinder is fixedly connected on support frame as described above, the gear cylinder lower end is fixedly connected with conductive contact, the mounting cylinder lower end is fixedly connected with circuit board, connecting column has been screwed on the screw thread two, the connecting column is contacted with cooling fin, the connecting column upper end is fixedly connected with LED unit, lampshade has been screwed on the screw thread one, this is practical It is novel to have many advantages, such as to improve radiating efficiency and effect, improve LED downlight service life.

Description

A kind of LED downlight pedestal with heat sinking function

Technical field

The utility model is to be related to the technical field of LED downlight lamp holder, is specifically related to a kind of LED with heat sinking function Downlight pedestal.

Background technique

LED downlight, which refers to, a screw socket, can directly load onto the lamps and lanterns of incandescent lamp or energy-saving lamp, and downlight is a kind of It is embedded into the illuminator of light down-ejection type in ceiling.

Lamps and lanterns during use, can generate certain heat, therefore require during the manufacturing of lamps and lanterns Heat sinking function is installed additional to lamps and lanterns, and LED downlight is no exception, existing LED downlight is all that cooling fin is installed on outer cover of lamp holder It radiates, but speed of the heat of LED unit generation from lamp holder internal transmission to outer cover of lamp holder is slower, therefore heat dissipation effect Also poor, the service life of LED downlight is reduced, and during the manufacturing of existing lamps and lanterns, by circuit board and LED Unit leans on close, this will make the amount of heat of LED unit generation is cracking to be transferred to circuit board, will if things go on like this subtract The service life of short LED downlight.

Number of patent application: CN201220234212.2 discloses a kind of LED cooling lamp holder and LED light, including with hollow The plastic casing in channel, the radiating fin for being surrounded by equally distributed arc of plastic casing, the upper end of the plastic casing Convection holes are respectively equipped with lower end, the radiating fin of the patent is set up directly on plastic casing surrounding, therefore exists and radiate slowly Problem, and circuit board and LED unit are all disposed in plastic casing by the patent, therefore can shorten the service life of LED downlight.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of with heat sinking function LED downlight pedestal, for solving the problems, such as that existing LED seat radiating efficiency is low, service life is short.

In order to achieve the above objects and other related objects, the utility model discloses a kind of LED cylinder with heat sinking function Four groups of cooling fin groups are arranged on the lamp holder in lamp base, including lamp holder, and contain several cooling fins, institute in every group of cooling fin group Cooling fin is stated through lamp holder and is fixedly connected with lamp holder, the lamp holder lower end is fixedly connected with the mounting cylinder through lamp holder, described Mounting cylinder, which protrudes on the outer wall in lamp holder, offers screw thread two.

Preferred: the lamp holder outer wall is fixedly connected with support frame, and gear cylinder, the gear are fixedly connected on support frame as described above Cylinder lower end is fixedly connected with conductive contact, and the mounting cylinder lower end is fixedly connected with circuit board, the company of having screwed on the screw thread two Column is connect, the connecting column is contacted with cooling fin, and the connecting column upper end is fixedly connected with LED unit, and outer ring is equipped at the top of lamp holder Screw thread one has screwed lampshade on screw thread one.

Preferred: the mounting cylinder, gear cylinder are hollow cylinders, and connecting column is hollow cuboid, and is plastic material, And connection column wall offers and the matched screw thread of screw thread two.

Preferred: the lower end of the mounting cylinder is protruded into gear cylinder, and is kept off on cylinder and uniformly offered dissipating for alignment circuit plate Hot hole.

Preferred: the cooling fin is the rectangle copper sheet made of Copper alloy material.

It is preferred: at least to contain 17 cooling fins in every group of cooling fin group.

Preferred: the lamp holder is integrated with mounting cylinder.

As described above, a kind of LED downlight pedestal with heat sinking function of the utility model, has the advantages that It is contacted by protruding into cooling fin in lamp holder, and by cooling fin with connecting column, so that cooling fin is closer to pyrotoxin, cooling fin The heat of lamp holder inner air can be absorbed, to improve radiating efficiency；By the way that circuit board to be mounted on to the lower end of mounting cylinder, make It obtains circuit board to radiate far from pyrotoxin, and by heat release hole, thus protection circuit plate.

Detailed description of the invention

Fig. 1 is a kind of explosive view of the LED downlight pedestal with heat sinking function of the utility model.

Fig. 2 is the main view of the utility model lamp holder.

Fig. 3 is the top view of the utility model lamp holder.

Fig. 4 is the cross-sectional view of the utility model lamp holder.

Fig. 5 is the structural schematic diagram of the utility model cooling fin.

Wherein: lamp holder 1, cooling fin 2, support frame 3, screw thread 1, mounting cylinder 5, screw thread 26, circuit board 7, gear cylinder 8, heat dissipation Hole 81, conductive contact 9, connecting column 10, LED unit 11, lampshade 12.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

Embodiment 1

As shown in Figs. 1-5, the utility model discloses a kind of LED downlight pedestal with heat sinking function, including lamp holder 1, Four groups of cooling fin groups are set on the lamp holder 1, and contain several cooling fins 2 in every group of cooling fin group, the cooling fin 2 runs through It lamp holder 1 and is fixedly connected with lamp holder 1,1 lower end of lamp holder is fixedly connected with the mounting cylinder 5 through lamp holder 1, the mounting cylinder 5 Screw thread 26 is offered on the outer wall protruded into lamp holder 1.

Preferred: 1 outer wall of lamp holder is fixedly connected with support frame 3, and gear cylinder 8, institute are fixedly connected on support frame as described above 3 It states gear 8 lower end of cylinder and is fixedly connected with conductive contact 9,5 lower end of mounting cylinder is fixedly connected with circuit board 7, on the screw thread 26 Connecting column 10 has been screwed, the connecting column 10 is contacted with cooling fin 2, and 10 upper end of connecting column is fixedly connected with LED unit 11, 1 top outer ring of lamp holder is equipped with screw thread 1, has screwed lampshade 12 on screw thread 1.

Preferred: the mounting cylinder 5, gear cylinder 8 are hollow cylinders, and connecting column 10 is hollow cuboid, and is plastics Material, and 10 inner wall of connecting column offers and the matched screw thread of screw thread 26.

Preferred: the lower end of the mounting cylinder 5 is protruded into gear cylinder 8, and is kept off on cylinder 8 and uniformly offered alignment circuit plate 7 Heat release hole 81.

Preferred: the cooling fin 2 is the rectangle copper sheet made of Copper alloy material.

It is preferred: at least to contain 17 cooling fins 2 in every group of cooling fin group.

Preferred: the lamp holder 1 is integrated with mounting cylinder 5.

The utility model is implemented:

According to [Fig. 1], [Fig. 3], [Fig. 4], [Fig. 5], when 11 adstante febre of LED unit, heat can be transferred directly to lamp holder 1 Interior air, heat can be also transferred to mounting plate 5 by connecting plate 10, then be transferred to lamp holder 1 and circuit board 7 by mounting plate 5, due to Four groups of cooling fin groups are set on lamp holder 1, and in every group of cooling fin group contain several cooling fins 2, cooling fin 2 through lamp holder 1 and with Lamp holder 1 is fixedly connected, and connecting column 10 is contacted with cooling fin 2, therefore can also be transferred to heat dissipation after the air absorption heat in lamp holder 1 Piece 2, the heat on connecting column 10 can also be transferred to cooling fin 2, and the heat on 1 shell of lamp holder can also be transferred to cooling fin 2, cooling fin Heat is transferred to 2 position of cooling fin outside lamp holder 1 by 2 position of cooling fin in lamp holder 1 by 2,2 position of cooling fin outside lamp holder 1 It contacts and radiates with air；

Due to uniformly offering the heat release hole 81 of alignment circuit plate 7 on gear cylinder 8, it is transferred to the heat of circuit board 7 The heat generated with circuit board 7 itself can be evacuated by heat release hole 81.

The utility model has the beneficial effects that by the way that cooling fin 2 is protruded into lamp holder 1, and by cooling fin 2 and connecting column 10 Contact dissipates so that cooling fin 2, closer to pyrotoxin, cooling fin 2 can also absorb the heat of 1 inner air of lamp holder to improve The thermal efficiency；By the way that circuit board 7 to be mounted on to the lower end of mounting cylinder 5, so that circuit board 7 is far from pyrotoxin, and pass through heat release hole 81 It radiates, thus protection circuit plate 7, so that LED lamp service life is guaranteed.

Finally, it should be noted that above embodiments are only to illustrate the utility model and not limit the utility model and retouched The technical solution stated；Therefore, although this specification the utility model is had been carried out referring to above-mentioned each embodiment it is detailed Illustrate, still, those skilled in the art should understand that, it still can modify to the utility model or equally replace It changes；And the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover practical new at this In the scope of the claims of type.

Claims (7)

1. a kind of LED downlight pedestal with heat sinking function, including lamp holder, it is characterised in that: four groups are arranged on the lamp holder and dissipates Backing group, and contain several cooling fins in every group of cooling fin group, the cooling fin is fixedly connected through lamp holder and with lamp holder, described Lamp holder lower end is fixedly connected with the mounting cylinder through lamp holder, and the mounting cylinder, which protrudes on the outer wall in lamp holder, offers screw thread two.

2. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: outside the lamp holder Wall is fixedly connected with support frame, and gear cylinder is fixedly connected on support frame as described above, and the gear cylinder lower end is fixedly connected with conductive contact, The mounting cylinder lower end is fixedly connected with circuit board, and connecting column has been screwed on the screw thread two, and the connecting column connects with cooling fin Touching, the connecting column upper end are fixedly connected with LED unit, and outer ring is equipped with screw thread one at the top of lamp holder, have screwed lampshade on screw thread one.

3. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: the mounting cylinder, Keeping off cylinder is hollow cylinder, and connecting column is hollow cuboid, and is plastic material, and connects column wall and offer and screw thread two Matched screw thread.

4. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: the mounting cylinder Lower end protrude into gear cylinder, and keep off on cylinder and uniformly offer the heat release hole of alignment circuit plate.

5. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: the cooling fin It is the rectangle copper sheet made of Copper alloy material.

6. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: described every group dissipates At least contain 17 cooling fins in backing group.

7. a kind of LED downlight pedestal with heat sinking function according to claim 1, it is characterised in that: the lamp holder with Mounting cylinder is integrated.