The LED bulkhead lamp capable
Technical field
The utility model relates to the LED field, relates in particular to a kind of LED bulkhead lamp capable.
Background technology
Existing LED bulkhead lamp capable generally comprises lampshade, LED lamp pearl, aluminium base and is used for the radiator of heat radiation, LED lamp bead seal is contained on the aluminium base, be fixed on the radiator again, this radiating mode is by luminescence chip → heat-conducting cream of LED lamp pearl → aluminium base → thermal grease conduction → radiator, this radiating mode is owing to passed through the multilayer aluminium base, increased impedance, and the middle part of LED bulkhead lamp capable is not provided with air convection channel, make that the radiating efficiency of LED lamp pearl is relatively poor, thereby influenced the integral heat sink performance of LED bulkhead lamp capable.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of LED bulkhead lamp capable is provided, to improve its heat dispersion.
In order to solve the problems of the technologies described above, the utility model embodiment has proposed a kind of LED bulkhead lamp capable, comprise lamp socket, lampshade, a plurality of LED lamp pearl, circuit board and radiator, described LED lamp bead seal is loaded on the end face of described radiator, and the luminescence chip of LED lamp pearl inside and the end face of described radiator connect, the corresponding radiator of each LED lamp pearl, described lamp socket, radiator and circuit board are connected and fixed successively, and the middle part of lamp socket and circuit board is equipped with passage makes the middle part of LED bulkhead lamp capable form air convection channel.
Further, described radiator comprises that the body and the multi-disc that are column are laid in body fin on every side; Have at least two fins to be provided with along body shaft to the screw hole that is used for mounting screw that connects the fin two ends in the described multi-disc fin.
Further, described multi-disc fin around be laid in described body around and with this body by integral forming.
Further, described circuit board is provided with the lamp hole that stretches out for described LED lamp pearl, this lamp hole side is other also to be provided with the screw hole corresponding with the screw hole on the radiator, and the end that described radiator is provided with LED lamp pearl utilizes screw to fixedly connected with described circuit board and makes described LED lamp pearl stretch out described lamp hole outside.
Further, two equal bendings of conductive pin of each described LED lamp pearl and stretch out described lamp hole outside after be electrically connected with circuit board.
Further, each LED lamp pearl and a radiator constitute one group of photophore, and described LED bulkhead lamp capable is provided with the multi-group light-emitting device, and multi-group light-emitting device line centered by the center line of circuit board is circumference and lays.
Further, the other end of described radiator is fixedlyed connected with described lamp socket, and the position that is connected with each radiator on the base is equipped with its diameter less than the passage of the maximum outside diameter of radiator.
Further, described circuit board top also is provided with for the circuit board cover plate that hides circuit board, the corresponding lamp hole that stretches out for LED lamp pearl that is provided with on the circuit board cover plate, and the middle part of circuit board cover plate also is provided with passage.
Further, described lampshade is fixedlyed connected with described circuit board.
The beneficial effect of the utility model embodiment is: every LED lamp pearl directly is packaged on the end face of a radiator, and the luminescence chip of LED lamp pearl inside directly contacts with the end face of radiator, the luminescence chip of LED lamp pearl and the impedance between the radiator have been significantly reduced, the heat that makes each LED lamp pearl distribute is all directly absorbed by its corresponding radiator and is distributed rapidly by this radiator, has improved the heat dispersion of whole LED bulkhead lamp capable greatly.In addition, the middle part of lamp socket, circuit board and circuit board cover plate is equipped with passage makes the middle part of LED bulkhead lamp capable form an air convection channel, also makes its heat dispersion can arrive lifting.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the front view of the utility model embodiment LED bulkhead lamp capable.
Fig. 2 is A-A sectional view among Fig. 1.
Fig. 3 is the enlarged drawing at M place among Fig. 2.
Fig. 4 is the vertical view of the utility model embodiment LED bulkhead lamp capable.
Fig. 5 is the cross-sectional view of the radiator of the utility model embodiment LED bulkhead lamp capable.
Fig. 6 is the front view of the circuit board of the utility model embodiment LED bulkhead lamp capable.
Fig. 7 is the front view of the circuit board cover plate of the utility model embodiment LED bulkhead lamp capable.
Fig. 8 is the front view of the lamp socket of the utility model embodiment LED bulkhead lamp capable.
Fig. 9 is the circuit connection diagram of the LED lamp pearl of the utility model embodiment LED bulkhead lamp capable.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can mutually combine, and below in conjunction with the drawings and specific embodiments the utility model are described in further detail.For ease of describing, the application is as the criterion with the described direction of Fig. 1.
Extremely shown in Figure 9 as Fig. 1, the LED bulkhead lamp capable of the utility model embodiment, is used for the suspension ring 7 that hide the circuit board cover plate 6 that circuit is laid on the circuit board 5 and be used for hanging at radiator 4, the circuit board 5 that comprises lamp socket 1, lampshade 2, LED lamp pearl 3, made by metal material.Described lamp socket 1, radiator 4, circuit board 5 and circuit board cover plate 6 are connected and fixed from the bottom to top successively, and the middle part of lamp socket 1, circuit board 5 and circuit board cover plate 6 is equipped with passage makes the middle part of LED bulkhead lamp capable form an air convection channel so that heat radiation.Described lampshade 2 utilizes screw to fixedly connected with described circuit board 5.
As Fig. 2, shown in Figure 3, described LED lamp pearl 3 directly is packaged on the end face of described radiator 4, and the luminescence chip (not shown) of LED lamp pearl 3 inside directly contacts with the end face of radiator 4, the luminescence chip of LED lamp pearl 3 and the impedance between the radiator 4 have been significantly reduced, the heat that makes luminescence chip distribute is directly absorbed by radiator 4 and is distributed rapidly by radiator 4, and the radiating effect of single led lamp pearl 3 is better; And each LED lamp pearl 3 correspondence is installed on the radiator 4, and each LED lamp pearl 3 is all adopted 4 heat radiations of a radiator, makes that the integral heat sink effect of whole LED bulkhead lamp capable is also better.Certainly, better for making radiating effect, also can add heat-conducting cream between the luminescence chip of LED lamp pearl 3 and the radiator 4.Stretch out described circuit board 5 after two conductive pins of described LED lamp pearl 3 (label not among the figure is respectively as the both positive and negative polarity of LED lamp pearl) bending and be electrically connected with corresponding conducting position on the circuit board 5.Each LED lamp pearl 3 and a radiator 4 constitute one group of photophore, and the LED bulkhead lamp capable of present embodiment is provided with the multi-group light-emitting device, and multi-group light-emitting device line centered by the center line of circuit board 5 is circumference and lays.
As shown in Figure 5, described radiator 4 comprises that the body 41 and the multi-disc that are column are laid in body 41 fin 42 on every side; Have at least in the described multi-disc fin 42 two fins 42 be provided with along body 41 axially connect fins 42 two ends the screw hole 43 that is used for mounting screw.Described multi-disc fin 42 around be laid in body 41 around and one-body molded with body 42.The two ends of radiator 4 are screwed with lamp socket 1 with described circuit board 5 respectively and are connected.The cross section of described radiator 4 is the heronsbill type.If the maximum outside diameter of described radiator 4 is Φ 1, and the external diameter of described body 41 is Φ 2.
As shown in Figure 6, described circuit board 5 is provided with the lamp hole 51 that stretches out for described LED lamp pearl, this lamp hole 51 sides are other also to be provided with the screw hole 52 corresponding with the screw hole 43 on the radiator 4, and the end that described radiator 4 is provided with LED lamp pearl 3 utilizes screw to be connected with described circuit board 5 and described LED lamp pearl 3 is stretched out outside the described lamp hole 51.The middle part of described circuit board 5 also is provided with a passage 53.If the diameter of described lamp hole 51 is Φ 3, then Φ 1>Φ 3>Φ 2>.
As shown in Figure 7, be located at described circuit board 5 tops on the described circuit board cover plate 6, which is provided with the lamp hole 61 corresponding with the lamp hole 51 on a plurality of and the circuit board 5, the middle part of circuit board cover plate 6 also is provided with passage 62.If the diameter of described lamp hole 61 is Φ 4, then Φ 1>Φ 4>Φ 2.
As shown in Figure 8, the position that is connected with each radiator 4 on the described base 1 is equipped with its diameter less than the passage 11 of the maximum outside diameter of radiator, this passage 11 sides are other also to be provided with the screw hole 12 corresponding with the screw hole 43 on the radiator 4, and the middle part of base 1 also is provided with passage 13 and is used for the fixing hole 14 of fixing described suspension ring 7.If the diameter of described lamp hole 41 is Φ 5, then Φ 1>Φ 5>Φ 2.
As shown in Figure 9, the circuit of each LED lamp pearl 3 of the application LED bulkhead lamp capable connects to adopt goes here and there and the series-parallel connection mode, accident occurs as a certain LED lamp pearl 3 and does not work, and is unlikely to cause that the whole LED bulkhead lamp capable does not work.
Although illustrated and described embodiment of the present utility model, need to prove, under the situation of not conflicting, embodiment and the feature among the embodiment among the application can mutually combine, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalency range thereof.