CN201555163U

CN201555163U - Section bar for LED lamp

Info

Publication number: CN201555163U
Application number: CN2009202381163U
Authority: CN
Inventors: 樊邦扬
Original assignee: Heshan Lide Electronic Enterprise Co Ltd
Current assignee: Heshan Lide Electronic Enterprise Co Ltd
Priority date: 2009-10-28
Filing date: 2009-10-28
Publication date: 2010-08-18
Anticipated expiration: 2019-10-28

Abstract

The utility model discloses a section bar for an LED lamp. Along the length direction of the section bar, different positions are provided with a same cross section. The section bar is provided with a base plate which is flat, wherein the base plate extends along the length direction of the section bar; the base plate is provided with front and back sides; two edges of the front side of the base plate are provided with a concave arc side plate which extends along the length direction of the section bar; the two side plates are symmetrically arranged; the base plate and the two side plates form a U-shaped groove; the width of the opening of the U-shaped groove is more than the width of the base plate; the back side of the base plate and the outer side wall of the side plate are respectively provided with a plurality of radiating fins which extend along the length direction of the section bar. The LED lamp made of the section bar has an adjustable length of lamp, simplifies the assembling process of the LED lamp and decreases the cost of the production.

Description

The section bar that a kind of LED spot is used

[technical field]

The utility model relates to a kind of section bar, particularly relates to the section bar that a kind of LED spot is used.

[background technology]

The LED spot that can see in the market mainly comprise strip holder 1, be arranged on circuit board 2 in the holder 1, be installed in a plurality of great power LEDs 3 on the circuit board 2 and be nested with luminous intensity distribution cup 4 on each great power LED 3, be respectively arranged with a power supply connector 5 at the two ends of described holder 1, also be provided with a light transmission casing 6 at great power LED 3 light directions, described light transmission casing 6 is fixed on the front end of luminous intensity distribution cup 4 by power supply connector 5, with reference to Fig. 1, shown in Figure 2.There is following defective in said structure, is one because holder? come out by Mold Making, after mould molding, the LED spot can only can not be adjusted the length of LED spot according to the demand in market flexibly according to predetermined produced in lengths; Mould of its two, one cover holder needs higher expense, and the holder by Mold Making is one of high always reason of LED spot cost; Its three, on each great power LED, be nested with a luminous intensity distribution cup and be LED spot cost high always former therefore two.

[utility model content]

The technical problems to be solved in the utility model provides a kind of length that can adjust spot flexibly, simplify the assembling procedure of spot, significantly reduce the section bar that the LED spot of product cost is used.

The utility model is to solve above-mentioned technical problem by following technical proposals: the section bar that a kind of LED spot is used, along the profile length direction, diverse location has identical cross section, it is characterized in that, section bar has a substrate, substrate is tabular, substrate extends along the profile length direction, substrate just has, two faces of reverse side, two edges of described substrate front side are respectively arranged with the circular arc side plate of an inner concave, and described side plate extends along the profile length direction, and the side plate on two limits is symmetrical arranged, the side plate on described substrate and two limits forms a U-shaped groove, and the A/F of described U-shaped groove is wideer than the width of described substrate; Be respectively arranged with several radiating fins on the lateral wall of the reverse side of described substrate and side plate, described radiating fin extends along the profile length direction.

The beneficial effects of the utility model are: because this structure is traditional holder and luminous intensity distribution cup to be concentrated in together be made into section bar, and the LED spot adopts this section bar to cut randomly according to the different length of fluorescent tube, strengthen the flexibility of the market demand, also saved the Mold Making expense of holder; With luminous intensity distribution cup and the integrated production assembly process of also having simplified of holder, significantly reduce the cost of LED spot simultaneously, also impelled the LED spot on illumination market, to occupy very favorable competitive position.

Further improvement of the utility model:

Preferably, on the front of the madial wall of described side plate and substrate, be provided with a reflector layer.

Preferably, described reflector layer is deielectric-coating, metal film or electroplated aluminum layer.

Preferably, the rising angle that the centre position of substrate width direction and described U-shaped slot opening two ends form is 45 °～65 °, and the front of described substrate is 1.2～2.0cm to the height of U-shaped slot opening end.Described rising angle is 55 °～62 °, and described height is 1.3～1.8cm; Optimum value, described rising angle are 60 °, and described height is 1.5cm.

Preferably, the lateral wall of the side plate of described U type slot opening end is provided with a fixture, and described fixture is higher than the side plate top, and described fixture extends along the profile length direction, and described fixture and described side plate top form a halfpace.

Preferably, described U type groove is a parabola, and the center of described substrate width direction is at described parabolic focus place.

[description of drawings]

Below in conjunction with accompanying drawing the utility model is described in further details.

Fig. 1 is the structural representation of the utility model background technology LED spot.

Fig. 2 is the structural representation between circuit board, great power LED and the luminous intensity distribution cup of the utility model background technology LED spot.

Fig. 3 is the utility model perspective view.

Fig. 4 is the cutaway view of the utility model along profile length direction optional position cross section.

Fig. 5 is for adopting the decomposition texture schematic diagram of the utility model LED spot.

Fig. 6 is the structural representation of the utility model LED spot cross section shown in Figure 5.

Fig. 7 is the bright dipping schematic diagram of LED spot.

Fig. 8 is the decomposition texture schematic diagram of LED spot lamp holder shown in Figure 5.

Fig. 9 is for adopting the structural representation after utility model LED spot assembles.

[specific embodiment]

With reference to accompanying drawing 3 and shown in Figure 4, the section bar that a kind of LED spot is used, along section bar 10 length directions, diverse location has identical cross section, section bar 10 has a substrate 12, substrate 12 is tabular, substrate 12 extends along section bar 10 length directions, substrate 12 just has, anti-two faces, two edges in substrate 12 fronts are respectively arranged with the circular arc side plate 14a of an inner concave, 14b, circular

arc side plate

14a, 14b extends along the profile length direction, the circular arc side plate 14a on two limits, 14b is symmetrical arranged, the circular arc side plate 14a on substrate 12 and two limits, 14b forms a U-shaped groove 18, and the A/F L1 of described U-shaped groove 18 is wideer than the width L2 of substrate 12; Be respectively arranged with several radiating fins 20 on the lateral wall of the reverse side of substrate 12 and circular

arc side plate

14a, 14b, radiating fin 20 extends along section bar 10 length directions.Be respectively equipped with a reflector layer 16 on the front of the madial wall of circular

arc side plate

14a, 14b and substrate 12, reflector layer 16 can adopt any one in deielectric-coating, metal film or the electroplated aluminum layer.The rising angle θ that the centre position of substrate 12 widths and U-shaped groove 18 openends form is 45 °～65 °, and the front of substrate 12 is 1.2～2.0cm to the height H of U-shaped groove 18 openends; Optimal way, the rising angle θ that the centre position of substrate 12 widths and U-shaped groove 18 openends form is 55 °～62 °, the front of substrate 12 is 1.3～1.8cm to the height H of U-shaped groove 18 openends; Best enforcement, the rising angle θ that the centre position of substrate 12 widths and U-shaped groove 18 openends form is 60 °, the front of substrate 12 is 1.5cm to the height H of U-shaped groove 18 openends.Correspondence is respectively arranged with a

fixture

22a, 22b on the side plate 14a of U-shaped groove 18 openends, the 14b outside,

fixture

22a, 22b are higher than

side plate

14a, 14b top,

fixture

22a, 22b extend along section bar 10 length directions, and

fixture

22a, 22b and circular

arc side plate

14a, 14b top form halfpace 24a, the 24b of a symmetry.The inner concave of described circular

arc side plate

14a, 14b is a parabola, and described paraboloidal focus is in the center of substrate 12 widths.

Shown in accompanying drawing 5,6,9, present embodiment is the LED spot that adopts the utility model section bar, comprise section bar 10, be arranged in the section bar 10 with circuit boards 28 section bar 10 equal lengths, be fixed on many high-power LED bulbs 30 on the circuit board 28, described circuit board 28 is fixed on substrate 12 fronts of section bar 10.Described high-power LED bulb 30 is fixed on the centre position and the even compartment of terrain of the width of circuit board 28 and arranges along the length direction of circuit board 28, and the spacing between adjacent two high-power LED bulbs 30 is 1.5～3.0cm; The preferred value of described spacing is 1.8～2.5cm, and the optimum value of described spacing is for being 2cm, shown in accompanying drawing 5.At U-shaped groove 18 openends of described section bar 12, promptly symmetrical halfpace 24a, the 24b place of section bar are provided with light-passing board 32, and described light-passing board is that ground glass or acryl sheet material with mixed light or astigmatic effect are made.Be provided with press strip 26a, the 26b of a fixing and fastening light-passing board 32 respectively at fixture 22a, the 22b place of section bar 10, described

press strip

26a, 26b and section bar 10 equal lengths are respectively arranged with a power supply connector 34 at the two ends of LED spot section bar 10.High-power LED bulb 30 at the rising angle of U-shaped groove 18 as shown in Figure 7, the rising angle θ that high-power LED bulb 30 forms to U-shaped groove 18 openend two ends is 45 °～65 °, and the front of substrate 12 is 1.2～2.0cm to the height H of U-shaped groove 18 openends; Optimal way, the rising angle θ that high-power LED bulb 30 forms to U-shaped groove 18 openend two ends is 55 °～62 °, the front of substrate 12 is 1.3～1.8cm to the height H of U-shaped groove 18 openends; Best enforcement, the rising angle θ that high-power LED bulb 30 forms to U-shaped groove 18 openend two ends is 60 °, the front of substrate 12 is 1.5cm to the height H of U-shaped groove 18 openends, specifically with reference to Fig. 4 and shown in Figure 7.Described power supply connector 34 comprises holder 36, rotating seat 46 and tightens up screw 50, holder 36 is tabular, outer shape is consistent with the shape of cross section of section bar 10, holder 36 has two faces, the surface that holder 36 contacts with section bar 10 is provided with a vertical plate muscle 40 that should the surface, the edge that described plate muscle 40 is arranged on holder 36 is used for chucking and fixing light-passing board 32, and holder 36 another surfaces are provided with tapped fixed axis 38.Described rotating seat 46 comprises a substrate 42, the plate muscle 44 of vertical this substrate 42, described plate muscle 44 be provided with one with the rotating hole 48 of described fixed axis 38 couplings, the rotating hole 48 of described rotating seat 46 is nested with on the fixed axis 38 of holder 36, in described fixed axis 38, also connect one and tighten up screw 50, described rotating seat 46 is at described holder 36 and tighten up between the screw 50, the axle center of described fixed axis 38 is shorter to the length of the bottom of rotating seat 46 than the axle center of rotating hole 48 to the length of holder 36 bottoms, as shown in Figure 8.

The above is all so that the utility model conveniently to be described, in the spiritual category that does not break away from the utility model creation, the various simple covert and modification that those skilled in the art did of being familiar with this technology still belongs to protection domain of the present utility model.

Claims

1. section bar that the LED spot is used, along the profile length direction, diverse location has identical cross section, it is characterized in that: section bar has a substrate, substrate is tabular, substrate extends along the profile length direction, substrate has two faces in positive and negative, two edges of described substrate front side are respectively arranged with the circular arc side plate of an inner concave, described side plate extends along the profile length direction, the side plate on two limits is symmetrical arranged, and the side plate on described substrate and two limits forms a U-shaped groove, and the A/F of described U-shaped groove is wideer than the width of described substrate; Be respectively arranged with several radiating fins on the lateral wall of the reverse side of described substrate and side plate, described radiating fin extends along the profile length direction.

2. the section bar that LED spot according to claim 1 is used is characterized in that: be provided with a reflector layer on the front of the madial wall of described side plate and substrate.

3. the section bar that LED spot according to claim 2 is used is characterized in that: described reflector layer is deielectric-coating or metal film.

4. the section bar that LED spot according to claim 2 is used is characterized in that: described reflector layer is the electroplated aluminum layer.

5. the section bar of using according to the described LED spot of the arbitrary claim of claim 1-4, it is characterized in that: the rising angle that the centre position of substrate width direction and described U-shaped slot opening two ends form is 45 °～65 °, and the front of described substrate is 1.2～2.0cm to the height of U-shaped slot opening end.

6. the section bar that LED spot according to claim 5 is used is characterized in that: described rising angle is 55 °～62 °, and described height is 1.3～1.8cm.

7. the section bar that LED spot according to claim 6 is used is characterized in that: described rising angle is 60 °, and described height is 1.5cm.

8. the section bar of using according to the described LED spot of the arbitrary claim of claim 1-4, it is characterized in that: on the lateral wall of the side plate of described U type slot opening end, a fixture is arranged, described fixture is higher than the side plate top, described fixture extends along the profile length direction, and described fixture and described side plate top form a halfpace.

9. the section bar of using according to the described LED spot of the arbitrary claim of claim 1-4, it is characterized in that: the inner concave of described circular arc side plate is a parabola, described paraboloidal focus is in the center of substrate width direction.