CN202469732U - Light emitting diode (LED) taxiway centerline lamp - Google Patents

Abstract

The utility model discloses a light emitting diode (LED) taxiway centerline lamp. The LED taxiway centerline lamp comprises a constant current frequency conversion sine wave dimmer, an isolation transformer, a lamp controller, LED lamps, a bottom cover, a surface cover and an aluminum substrate, wherein the primary side of the isolation transformer is connected with the constant current frequency conversion sine wave dimmer, and the secondary side is connected with the lamp controller; the lamp controller is arranged in the bottom cover; the top of the bottom cover is connected with the surface cover; and the LED lamps are connected with the lamp controller and fixedly connected to the bottom of the surface cover by the aluminum substrate. The LED taxiway centerline lamp has the advantages of long service life, high light efficiency, low energy consumption and convenience for timing and control by adopting the constant current frequency conversion sine wave dimmer and using the LED lamps as a lamp source.

Description

A kind of LED taxiway center line light

Technical field

The utility model relates to a kind of LED lamp, particularly a kind of LED lamp that is used for the airport taxiway center line.

Background technology

At present, airport taxiway center line lamp is to be the conventional lamp of light source with the halogen tungsten lamp.The halogen tungsten lamp of traditional taxiway center line light relies on filter and lens that light color and angle are controlled, requirements such as the heat radiation that utilizes the outward appearance of light fixture to encapsulate to realize light fixture, waterproof, and satisfy the international standard of navigational lighting aid system with this.Existing traditional dimmers realizes the constant control of output current virtual value through the controllable silicon wave chopping technology, and then controls the brightness degree variation of halogen tungsten lamp light source, to reach the purpose of light fixture light intensity grade control.

Yet traditional taxiway center line light adopts halogen tungsten lamp as light source, and there are short, defectives such as light efficiency is low, power consumption is high, complex structure, maintenance cost height in service life in it.Along with the continuous development of science and technology, make the LED lamp become possibility in the application in navigational lighting aid field.The LED lamp life-span is long, light efficiency is high, power consumption is low, simple in structure, advantage that maintenance cost is low, makes the navaid light fixture adopt the LED lamp to become inevitable as the development trend of light source.The characteristics of luminescence of LED lamp has the different of essence with traditional halogen tungsten lamp, and for the international standard that satisfies the navigational lighting aid system, the technical approach of its realization also is very different.Therefore the LED taxiway center line light must carry out secondary optics design, heat dissipation design, structural design and control circuit design with respect to traditional taxiway center line light.

The utility model content

The goal of the invention of the utility model is: the problem to above-mentioned existence provides a kind of LED lamp that is used for the airport taxiway center line.

The technical scheme that the utility model adopts is such: a kind of LED taxiway center line light; Comprise constant current frequency conversion sinewave dimmer, isolating transformer, lamp controller, LED lamp, bottom, cover and aluminium base; The former limit of said isolating transformer is connected with constant current frequency conversion sinewave dimmer; Secondary is connected with lamp controller; Said lamp controller places in the bottom, and said bottom top is connected with cover, and said LED lamp is connected with lamp controller and is fixedly connected on the cover bottom through aluminium base.

As optimal way, said cover top is provided with the light-emitting window of two symmetries, is provided with a drain groove in each light-emitting window.

As optimal way, the LED lamp of respectively corresponding two series connection in said each light-emitting window place.

In sum, owing to adopted technique scheme, the beneficial effect of the utility model is: adopt constant current frequency conversion sinewave dimmer, be used in combination the LED lamp as light source, the life-span is long, light efficiency is high, power consumption is low, can carry out light modulation and control easily; On the basis of continuing to use the existing navigational lighting aid system in airport electric power-feeding structure, realized the replacement of line source from lamp tradition halogen tungsten lamp to the LED lamp in the taxiway.

Description of drawings

Fig. 1 is the principle schematic of the utility model.

Fig. 2 is the vertical view of cover among Fig. 1 embodiment.

Mark among the figure: 1 is constant current frequency conversion sinewave dimmer, and 2 is isolating transformer, and 3 is lamp controller, and 4 is the LED lamp, and 5 is bottom, and 6 is cover, and 61 is light-emitting window, and 62 is drain groove, and 7 is aluminium base.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is done detailed explanation.

As shown in Figure 1; A kind of LED taxiway center line light comprises constant current frequency conversion sinewave dimmer 1, isolating transformer 2, lamp controller 3, LED lamp 4, bottom 5, cover 6 and aluminium base 7, and said isolating transformer 2 former limits are connected with constant current frequency conversion sinewave dimmer 1; Secondary is connected with lamp controller 3; Said lamp controller 3 places in the bottom 5, and said bottom 5 tops are connected with cover 6, and said LED lamp 4 is connected with lamp controller 3 and is fixedly connected on cover 6 bottoms through aluminium base 7.

As shown in Figure 2, said cover 6 tops are provided with the light-emitting window 61 of two symmetries, are provided with a drain groove 62 in each light-emitting window 61.

The LED lamp 4 of respectively corresponding two series connection in said each light-emitting window 61 place.

Cover 6 all adopts particular aluminum alloy die casting to form with bottom 5, and corrosion-resistant, antidetonation, crushing resistance are good; Outside connection with the point of incoming cables of each of cover 6 and bottom 5 all adopted ring structure, has favorable waterproof property; Symmetrically arranged two-way light-emitting window 61 all sends out green glow of the same race, the green glow light intensity>200CD.

The utility model each item index satisfies the requirement of " International Civil Aviation Organization-airport annex 14 " (2004) and " the civil airport light fixture generally requires GB/T7256-2005 ".

Said constant current frequency conversion sinewave dimmer 1 comprises rectification module, inversion module, filtration module, step-up transformer module, output setting module and control module; Said rectification module is used for converting the alternating voltage of input into stable DC bus-bar voltage; Said inversion module is used for converting said DC bus-bar voltage to high frequency SPWM pulse voltage through the SPWM technology; Said filtration module is used for obtaining sine voltage after the filtering of said high frequency SPWM pulse voltage; Said step-up transformer module is used for said sine voltage is boosted and keeps sinusoidal waveform; Said control module is used to obtain to export the output current value of setting module setting and magnitude of voltage, current value and the frequency values of frequency values and the output of real-time sampling step-up transformer module compares; Through the negative-feedback control technology, adjustment and control rectification module and inversion module.This constant current frequency conversion sinewave dimmer 1 sine wave output electric current, size of current can be made as any steady state value in the output area, satisfy the light modulation demand; But output frequency high accuracy in line adjustment; Power consumption is little; Output harmonic wave is little, and input power factor is high, and is little to electric network pollution.

Constant current frequency conversion sinewave dimmer 1 has ten adjustable current ranks; The adjustable constant current of its exportable 0.43A to 6.6A; The power demands (being generally 2.8A to 6.6A) that this both can satisfy various traditional aid-to-navigation lights loop can satisfy the design's power demands (being generally 0.43A to 1.40A) again.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (3)

1. LED taxiway center line light; It is characterized in that: comprise constant current frequency conversion sinewave dimmer (1), isolating transformer (2), lamp controller (3), LED lamp (4), bottom (5), cover (6) and aluminium base (7); The former limit of said isolating transformer (2) is connected with constant current frequency conversion sinewave dimmer (1); Secondary is connected with lamp controller (3); Said lamp controller (3) places in the bottom (5), and said bottom (5) top is connected with cover (6), and said LED lamp (4) is connected with lamp controller (3) and is fixedly connected on cover (6) bottom through aluminium base (7).

2. a kind of LED taxiway center line light according to claim 1 is characterized in that: said cover (6) top is provided with the light-emitting window (61) of two symmetries, is provided with a drain groove (62) in each light-emitting window (61).

3. a kind of LED taxiway center line light according to claim 2 is characterized in that: said each light-emitting window (61) is located the LED lamp (4) of respectively corresponding two series connection.

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