CN203099510U

CN203099510U - Luminescent component in light emitting diode (LED) street lamp capable of producing rectangular spots

Info

Publication number: CN203099510U
Application number: CN2012206891364U
Authority: CN
Inventors: 朱健荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-13
Filing date: 2012-12-13
Publication date: 2013-07-31
Anticipated expiration: 2022-12-13

Abstract

The utility model provides a luminescent component in a light emitting diode (LED) street lamp capable of producing rectangular spots, which belongs to the field of lighting equipment, and solves the technical problems that an existing luminescent component in the LED street lamp capable of producing the rectangular spots wastes resources and also brings inconvenience for night traffics and the like. The luminescent component in the LED street lamp capable of producing the rectangular spots comprises a chip base plate and an optical lens, wherein a panel of the chip base plate is an installation panel, another one panel of the chip base plate is a fixed panel, a plurality of LED chips are arranged on the installation panel, the optical lens is covered and fixed on the installation panel through a detachable structure, and the optical lens is further provided with a plurality of branch lenses which are correspondingly matched with the LED chips. The luminescent component in the LED street lamp capable of producing rectangular spots has the advantages that the luminescent component in the LED street lamp capable of producing rectangular spots promotes illumination utilization of street lamps.

Description

Luminescence component in a kind of LED street lamp that produces rectangular light spot

Technical field

The utility model belongs to the lighting apparatus field, relates to a kind of LED street lamp that produces rectangular light spot, the luminescence component in particularly a kind of LED street lamp that produces rectangular light spot.

Background technology

The LED light fixture has advantages such as power consumption is low, high brightness, long service life, so led chip applied to street lighting in a large number, and street lamp is as the lighting apparatus of road at night, and its hot spot must cover the road surface of road.

In existing road lighting technology, the road Lighting Design that has adopts the normal distribution of wide-angle circumference, the road Lighting Design that has adopts unilateral illumination, and above-mentioned two kinds of distribution curve fluxs that design all is conventional light source do not have rational luminous intensity distribution band in road is used, light source is wasted in the place that need not throw light on, cause the waste of local light source, also can cause the local dark area on road surface simultaneously, this not only causes energy waste, also travelling to vehicle at night makes troubles, and produces potential safety hazard.

Summary of the invention

The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the luminescence component in a kind of LED street lamp that produces rectangular light spot, and this luminescence component has high and characteristics convenient disassembly when maintenance of illumination utilization rate.

The purpose of this utility model can realize by following technical proposal: the luminescence component in a kind of LED street lamp that produces rectangular light spot, comprise chip substrate and optical lens, a described chip substrate wherein plate face is the installing plate face, the other plate face of described chip substrate is the fixed head face, on the described installing plate face several led chips are installed, it is characterized in that, described optical lens covers and is fixed on the installing plate face by a demountable structure, also has the some and described led chip branch lens of corresponding matching one by one on the described optical lens.

Led chip is by dividing lens to carry out secondary light-distribution one to one with it, and then produces rectangular light spot, and this rectangular light spot is corresponding with road, to form reasonable luminous intensity distribution band; After led chip occur to damage, optical lens can be disassembled and change new led chip and again optical lens is reinstalled, make easy to maintenance.

First kind of situation, in the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, described demountable structure comprises several locating slots that are opened on the chip substrate and the some reference columns that are fixed on the optical lens, and described reference column is connected in the described locating slot.Reference column and locating slot are tight fit, apply certain active force at the end of reference column chip substrate and optical lens are separated.

Second kind of situation, in the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, described demountable structure comprises some locating holes of being opened on the chip substrate, is opened in some installing holes and screw on the optical lens, and described screw acts in locating hole and the installing hole optical lens is fixed on the chip substrate.Screw passes locating hole and installing hole is fixed chip substrate and optical lens, and screw is just pulled out and chip substrate can be separated with optical lens.

The third situation, in the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, described demountable structure is an adhesive tape, described optical lens is fixed on the chip substrate by adhesive tape.Adhesive tape is transparent.

In the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, two circular arc bodies that connect in the middle of the mirror body of described minute lens is made as, connecting portion is the concave surface of arc transition in the middle of it.The light that mirror body refract light source by minute lens sends carries out secondary light-distribution, forms the higher rectangular light spot of illumination utilization rate.

In the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, the concave surface center of the middle interconnecting piece of described minute lens is over against the center of led chip, and described two circular arc bodies are left-right symmetry with the center of led chip.

In the luminescence component in the LED street lamp of above-mentioned generation rectangular light spot, offer some radiating grooves on the fixed head face of described chip substrate, in the described radiating groove radiator is installed.Radiator is that some intervals vertical fixing plate face is fixed on the sheet metal in the radiating groove.

Compared with prior art, the luminescence component in the LED street lamp of this generation rectangular light spot has the following advantages:

1, the light that led chip produced by a plurality of combinations, through corresponding minute lens light is carried out secondary light-distribution, this LED street lamp is radiated at throwing formed hot spot on the road surface is a bright and uniform rectangle light belt of illumination, promoted the illumination utilization rate of street lamp, and can be according to the actual conditions appropriate design lamp height on road surface, make the hot spot that forms between the adjacent street lamp shade can not occur, can not cause the local dark area on road surface, guarantee the safety of travelling.

2, after led chip occur to damage, optical lens can be disassembled and change new led chip and again optical lens is reinstalled, make easy to maintenancely, reduce maintenance cost.

Description of drawings

Fig. 1 is an exploded perspective view of the present utility model.

Fig. 2 is the upward view of optical lens of the present utility model.

Fig. 3 is the front view of optical lens of the present utility model.

Fig. 4 is the perspective view of chip substrate of the present utility model.

Fig. 5 is the upward view of chip substrate of the present utility model.

Among the figure, 111, chip substrate; 121, installing plate face; 122, led chip; 131, fixed head face; 132, radiating groove; 133, radiator; 141, locating slot; 211, optical lens; 221, divide lens; 231, reference column.

The specific embodiment

Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

Embodiment one

Extremely shown in Figure 5 as Fig. 1, luminescence component in a kind of LED street lamp that produces rectangular light spot, as shown in Figure 1, comprise chip substrate 111 and optical lens 211, chip substrate 111 a wherein plate face is an installing plate face 121, chip substrate 111 other plate faces are fixed head face 131, present embodiment one chips substrate 111 is strip, have is five, five chip substrates 111 are laterally arranged side by side, several led chips 122 are installed on the installing plate face 121, led chip 122 divides two rows to arrange along chip substrate 111 length directions, optical lens 211 covers and is fixed on the installing plate face 121 by a demountable structure, also has some and the led chip 122 branch lens 221 of corresponding matching one by one on the optical lens 211.

To shown in Figure 5, demountable structure comprises several locating slots 141 and the some reference columns 231 that are fixed on the optical lens 211 that are opened on the chip substrate 111 as Fig. 2, and reference column 231 is connected in the described locating slot 141.Locating slot 141 has two, lay respectively at the two ends on chip substrate 111 length directions, reference column 231 has two, lay respectively at the two ends on optical lens 211 length directions, reference column 231 is a tight fit with locating slot 141, applies certain active force at the end of reference column 231 chip substrate 111 and optical lens 211 are separated.

As Fig. 2, shown in Figure 3, divide the mirror body of lens 221 to be made as middle two circular arc bodies that connect, connecting portion is the concave surface of arc transition in the middle of it, and the concave surface center of middle interconnecting piece of dividing lens 221 is over against the center of led chip 122, and two circular arc bodies are left-right symmetry with the center of led chip 122.As Fig. 4, shown in Figure 5, offer some radiating grooves 132 on the fixed head face 131 of chip substrate 111, radiator 133 is installed in the radiating groove 132.Radiator 133 is that some intervals vertical fixing plate face 131 is fixed on the sheet metal in the radiating groove 132, and sheet metal is an aluminium flake in the present embodiment one.

Led chip 122 is by dividing lens 221 to carry out secondary light-distribution one to one with it, and then produces rectangular light spot, and this rectangular light spot is corresponding with road, to form reasonable luminous intensity distribution band; After damaging appears in led chip 122, optical lens 211 can be disassembled and change new led chip 122 and again optical lens 211 is reinstalled, make easy to maintenance.

Embodiment two

Present embodiment is basic identical with structure and the principle of embodiment one, different place is: demountable structure comprises some locating holes of being opened on the chip substrate 111, is opened in some installing holes and screw on the optical lens 211, and screw acts in locating hole and the installing hole optical lens 211 is fixed on the chip substrate 111.Screw passes locating hole and installing hole is fixing with optical lens 211 with chip substrate 111, and screw is just pulled out and chip substrate 111 can be separated with optical lens 211.

Embodiment three

Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: demountable structure is an adhesive tape, and optical lens 211 is fixed on the chip substrate 111 by transparent adhesive tape.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used chip substrate 111 morely; Installing plate face 121; Led chip 122; Fixed head face 131; Radiating groove 132; Radiator 133; Locating slot 141; Optical lens 211; Divide lens 221; Reference column 231 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. the luminescence component in the LED street lamp that produces rectangular light spot, comprise chip substrate (111) and optical lens (211), described chip substrate (a 111) wherein plate face is installing plate face (121), the other plate face of described chip substrate (111) is fixed head face (131), several led chips (122) are installed on the described installing plate face (121), it is characterized in that, described optical lens (211) covers and is fixed on the installing plate face (121) by a demountable structure, also has some and described led chip (122) the branch lens (221) of corresponding matching one by one on the described optical lens (211).

2. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 1, it is characterized in that, described demountable structure comprises several locating slots (141) that are opened on the chip substrate (111) and is fixed on some reference columns (231) on the optical lens (211) that described reference column (231) is connected in the described locating slot (141).

3. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 1, it is characterized in that, described demountable structure comprises some locating holes of being opened on the chip substrate (111), is opened in some installing holes and screw on the optical lens (211), and described screw acts in locating hole and the installing hole optical lens (211) is fixed on the chip substrate (111).

4. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 1 is characterized in that, described demountable structure is an adhesive tape, and described optical lens (211) is fixed on the chip substrate (111) by adhesive tape.

5. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 1 is characterized in that, described minute lens (221) two circular arc bodies connecting in the middle of being made as of mirror body, connecting portion is the concave surface of arc transition in the middle of it.

6. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 5, it is characterized in that, described minute lens (221) the concave surface center of middle interconnecting piece over against the center of led chip (122), described two circular arc bodies are left-right symmetry with the center of led chip (122).

7. the luminescence component in the LED street lamp of generation rectangular light spot according to claim 1, it is characterized in that, offer some radiating grooves (132) on the fixed head face (131) of described chip substrate (111), radiator (133) is installed in the described radiating groove (132).