CN203190255U - Rectangular combined type LED street lamp - Google Patents

Abstract

The utility model relates to a rectangular combined type LED street lamp which comprises a radiator, LED driving power sources and substrates provided with printed circuits. An LED bead is welded to the printed circuit of each substrate. The radiator comprises two respectively independent rectangular frames. The two rectangular frames are vertically overlapped and are connected and fixed through bolts. A heat insulating pad is arranged between the upper rectangular frame and the lower rectangular frame. The two rectangular frames are respectively provided and fixed with one rectangular substrate. The rectangular substrate of the upper rectangular frame is the first substrate and the rectangular substrate of the lower rectangular frame is the second substrate. The first substrate is fixed at the lower end of the upper rectangular frame and the second substrate is fixed at the upper end of the lower rectangular frame. The first substrate and the second substrate are arranged in a staggered mode. A gap is reserved between the first substrate and the second substrate. The printed circuit of the first substrate is connected with the first LED driving power source and the printed circuit of the second substrate is connected with the second LED driving power source. The rectangular combined type LED street lamp is long in service life.

Description

The rectangle combined type LED road lamp

Technical field

The utility model relates to LED street lamp field, is specifically related to a kind of rectangle combined type LED road lamp.

Background technology

Along with LED technology in recent years has been subjected to extensive concern as lighting engineering of new generation, LED power strengthens, and heat dissipation problem is also just more and more paid attention to by the people.The light decay of LED or life-span are directly relevant with its junction temperature, and it is bad to dispel the heat, and junction temperature is just high, and the life-span is also just short.

The reason of LED heating is because the electric energy that adds all is not converted into luminous energy, but a part transforms into heat energy.The light efficiency of LED has only 100lm/W at present, and its electro-optical efficiency approximately has only about 20 ~ 30%.That is to say that about 70% electric energy has all become heat energy.

LED street lamp on the market is single working group at present, by a LED driving power control.The LED street lamp of single working group works long hours and at high temperature is very easy to damage, and service life is short.If after this list working group damaged, whole street lamp had also just damaged.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, a kind of rectangle combined type LED road lamp is provided, this rectangle combined type LED road lamp has independently working group of two difference, and two respectively independently working group can switch, avoid a working group to work long hours and at high temperature cause the LED street lamp to damage long service life.And under the situation that a working group damages, switch to another working group's work, security insurance has very guaranteed that the zone obtains illumination.

The purpose of this utility model is achieved in that a kind of rectangle combined type LED road lamp, comprise radiator, LED driving power and the substrate that is provided with printed circuit, be welded with LED lamp pearl on the printed circuit of substrate, described radiator comprises independently rectangle framework of two difference, two rectangle frameworks are overlapping up and down, be connected and fixed by bolt, on, be provided with heat insulating mattress between the following rectangle framework, be mounted with rectangular substrate respectively on two rectangle frameworks, rectangular substrate on the last rectangle framework is first substrate, rectangular substrate on the following rectangle framework is second substrate, described first substrate is fixed on the lower end of rectangle framework, described second substrate is fixed on down the upper end of rectangle framework, first substrate and second substrate shift to install, and leave the gap between described first substrate and second substrate, and the printed circuit of first substrate is electrically connected a LED driving power, the printed circuit of second substrate is electrically connected the 2nd LED driving power, forms to have the independently combined type LED road lamp of working group of two difference.

The described upper end of rectangle framework down is provided with the substrate mounting groove, and second substrate is fixed on down on the substrate mounting groove of rectangle framework upper end, and fixes by screw.

Vertical two ends of described first substrate are provided with the face of turning back, and second base plate screw are fixed on the lower end of rectangle framework by the face of turning back of first substrate.

First substrate that the lower end of last rectangle framework is fixed is corresponding with second substrate that the upper end of following rectangle framework is fixed, LED lamp pearl on the printed circuit of first substrate all is welded on the right side of the vertical axial line of first substrate, and the LED lamp pearl on the printed circuit of second substrate all is welded on the left side of the vertical axial line of second substrate.

A described LED driving power is arranged on the rectangle framework, and the 2nd LED driving power is arranged on down on the rectangle framework.

The beneficial effects of the utility model are: because the radiator of this rectangle combined type LED road lamp comprises independently rectangle framework of two difference, and be provided with heat insulating mattress between two rectangle frameworks, make heat transmission can not taken place between two rectangle frameworks, thereby can occurrence temperature not disturb.Be mounted with rectangular substrate respectively on two rectangle frameworks, rectangular substrate on the last rectangle framework is first substrate, rectangular substrate on the following rectangle framework is second substrate, described first substrate is fixed on the lower end of rectangle framework, described second substrate is fixed on down the upper end of rectangle framework, first substrate and second substrate shift to install, and first substrate, second substrate are positioned at same horizontal plane.Second substrate that the lower end of last rectangle framework is fixed is corresponding with first substrate, and the LED lamp pearl on the printed circuit of the first corresponding substrate and second substrate and first substrate and second substrate draws close as far as possible, the uniformity of light emitting source when guaranteeing to switch.The printed circuit of first substrate is electrically connected a LED driving power, and the printed circuit of second substrate is electrically connected the 2nd LED driving power, forms to have the independently combined type LED road lamp of working group of two difference.Two respectively independently working group can switch, avoid a working group to work long hours at high temperature causing the LED street lamp to damage.When the temperature of a working group surpasses the temperature of LED controller for road lamp setting, the LED controller for road lamp is controlled the shutoff of this working group, working group until this high temperature turn-offs work fully, the working group of another low temperature begins to carry out operate as normal then, so cycle detection is switched, avoid single working group at high temperature to damage because working long hours, prolonged the life-span of the present utility model, made the utility model long service life.And under the situation that a working group damages, switch to another working group's work, security insurance has very guaranteed that the zone obtains illumination.

Description of drawings

Fig. 1 is schematic diagram of the present utility model;

Fig. 2 is cutaway view of the present utility model;

Fig. 3 is the scheme of installation of a LED module of the present utility model;

Fig. 4 is the scheme of installation of a LED module of the present utility model;

Fig. 5 is the schematic diagram of rectangle framework down of the present utility model.

In the accompanying drawing, 1 is last rectangle framework, and 2 are following rectangle framework, 3 is heat insulating mattress, and 4 is first substrate, and 5 is second substrate, 6 is the gap, and 7,8,9 is a LED module, and 10,11,12 is the 2nd LED module, 13 is a LED driving power, and 14 is the 2nd LED driving power, and 15 is LED lamp pearl, 16 is bolt, and 17 is radiator, and 18 is the substrate mounting groove, 19 are the face of turning back, and 20 is rectangular substrate.

The specific embodiment

Referring to Fig. 1 to Fig. 5, a kind of rectangle combined type LED road lamp comprises radiator 17, LED driving power and is provided with the substrate of printed circuit, is welded with LED lamp pearl 15 on the printed circuit of substrate.Described radiator adopts aluminum to make.Described radiator 17 comprises independently rectangle framework of two difference.Two respectively independently four of the rectangle framework jiaos be provided with bolt hole.Two rectangle frameworks are overlapping up and down, are connected and fixed by bolt 16.Be provided with heat insulating mattress 3 between the upper and lower rectangle framework 1,2, be used for preventing the heat transmission between rectangle framework and the following rectangle framework.Be mounted with rectangular substrate 20 respectively on two rectangle frameworks, rectangular substrate on the last rectangle framework 1 is first substrate 4, rectangular substrate on the following rectangle framework 2 is second substrate 5, described first substrate 4 is fixed on the lower end of rectangle framework 1, and described second substrate 5 is fixed on down the upper end of rectangle framework 2.The described upper end of rectangle framework 2 down is provided with substrate mounting groove 18, the second substrates 5 and is fixed on down on the substrate mounting groove 18 of rectangle framework 2 upper ends, and fixes by screw.Described substrate mounting groove 18 can be L type groove, also can be U-shaped groove.The substrate mounting groove 18 of present embodiment is L type groove.Vertical two ends of second substrate 5 are provided with installing hole.The substrate mounting groove 18 of following rectangle framework 2 is provided with installing hole, is used for second substrate, 5 screws are fixed on down rectangle framework 2.Vertical two ends of described first substrate 4 are provided with the face of vertically turning back 19, first substrate, 4 screws are fixed on the lower end of rectangle framework 1 by the face of vertically turning back 19 of first substrate.The face of vertically turning back 19 of first substrate is provided with installing hole.The inside lower end of last rectangle framework 1 is provided with installing hole, is used for first substrate, 4 screws are fixed on rectangle framework 1.First substrate 4 and second substrate 5 shift to install.First substrate 4, second substrate 5 are positioned at same horizontal plane.First substrate 4 that the lower end of last rectangle framework 1 is fixed is corresponding with second substrate 5 that the upper end of following rectangle framework 2 is fixed.LED lamp pearl on the printed circuit of first substrate 4 all by the right side that is welded on first substrate, 4 vertical axial lines after certain regularly arranged, is formed a LED module.LED lamp pearl on the printed circuit of second substrate 5 all by the left side that is welded on second substrate, 5 vertical axial lines after certain regularly arranged, is formed the 2nd LED module.A corresponding LED module is arranged on the left side of the 2nd LED module.The one LED module and the 2nd LED module of present embodiment are three.Certainly, a described LED module and the 2nd LED module also can be one or more.Three LED modules and the dislocation of the 2nd LED module is corresponding arranges.The one LED module 7 is corresponding with the 2nd LED module 10 and draw close as far as possible.The one LED module 8 is corresponding with the 2nd LED module 11 and draw close as far as possible.The one LED module 9 is corresponding with the 2nd LED module 12 and draw close as far as possible.Simultaneously, leave the gap between a LED module 7 and the 2nd LED module 10, guarantee can not take place between a LED module 7 and the 2nd LED module 10 heat transmission.Leave the gap between the one LED module 8 and the 2nd LED module 11, guarantee can not take place between a LED module 8 and the 2nd LED module 11 heat transmission.Leave the gap between the one LED module 9 and the 2nd LED module, guarantee can not take place between a LED module 9 and the 2nd LED module heat transmission.This structure is drawn close the LED lamp pearl 15 on the printed circuit of the first corresponding substrate 4 and second substrate 5 and first substrate 4 and second substrate 5 as far as possible, the uniformity of light emitting source when guaranteeing to switch.Leave the gap between described first substrate 4 and second substrate 5, be used for preventing the heat transmission between first substrate and second substrate.The printed circuit that the printed circuit of first substrate 4 is electrically connected a LED driving power 13, the second substrates 5 is electrically connected the 2nd LED driving power 14, forms to have the independently combined type LED road lamp of working group of two difference.A described LED driving power 13 is arranged on the rectangle framework 1, and the 2nd LED driving power 14 is arranged on down on the rectangle framework 2.The one LED driving power 13 and the 2nd LED driving power 14 mutually away from, avoid the heat transmission between LED driving power and the 2nd LED driving power.

Claims (5)

1. rectangle combined type LED road lamp, comprise radiator, LED driving power and the substrate that is provided with printed circuit, be welded with LED lamp pearl on the printed circuit of substrate, it is characterized in that: described radiator comprises independently rectangle framework of two difference, two rectangle frameworks are overlapping up and down, be connected and fixed by bolt, on, be provided with heat insulating mattress between the following rectangle framework, be mounted with rectangular substrate respectively on two rectangle frameworks, rectangular substrate on the last rectangle framework is first substrate, rectangular substrate on the following rectangle framework is second substrate, described first substrate is fixed on the lower end of rectangle framework, described second substrate is fixed on down the upper end of rectangle framework, first substrate and second substrate shift to install, and leave the gap between described first substrate and second substrate, and the printed circuit of first substrate is electrically connected a LED driving power, the printed circuit of second substrate is electrically connected the 2nd LED driving power, forms to have the independently combined type LED road lamp of working group of two difference.

2. rectangle combined type LED road lamp according to claim 1 is characterized in that: the described upper end of rectangle framework down is provided with the substrate mounting groove, and second substrate is fixed on down on the substrate mounting groove on the rectangle framework, and fixes by screw.

3. rectangle combined type LED road lamp according to claim 1, it is characterized in that: vertical two ends of described first substrate are provided with the face of turning back, and second base plate screw are fixed on the lower end of rectangle framework by the face of turning back of first substrate.

4. rectangle combined type LED road lamp according to claim 1, it is characterized in that: first substrate that the lower end of last rectangle framework is fixed is corresponding with second substrate that the upper end of following rectangle framework is fixed, LED lamp pearl on the printed circuit of first substrate all is welded on the right side of the vertical axial line of first substrate, and the LED lamp pearl on the printed circuit of second substrate all is welded on the left side of the vertical axial line of second substrate.

5. rectangle combined type LED road lamp according to claim 1, it is characterized in that: a described LED driving power is arranged on the rectangle framework, and the 2nd LED driving power is arranged on down on the rectangle framework.

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