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Case 3
Utilitarian LED lighting. Lighting of streets and highways of any category, lighting of bridges and railway platforms

Problem

The modern market offers countless street lamps. The price range is also very wide. However, the strong problem remains related to price/quality ratio: light-technical parameters, reliability, service life - important parameters that many manufacturers simply do not pay attention to:
<b>Aggressive external environment:</b><br> rain, dust, soot, exhaust gases, particles of oil, antifreeze, unburned fuel.
Result: premature failure of electronic components, reduction in the efficiency of the optics, destruction of internal elements of the luminaire (even appearance of the phase voltage on the housing).
Aggressive external environment:
rain, dust, soot, exhaust gases, particles of oil, antifreeze, unburned fuel. Result: premature failure of electronic components, reduction in the efficiency of the optics, destruction of internal elements of the luminaire (even appearance of the phase voltage on the housing).
<b>Distribution of light</b>:<br>    uneven or stray light,    decrease in efficiency of useful light flood, excessive light flood,
increase in light pollution level, damage to light ecology of the city, high level of light pollution.
Distribution of light:
uneven or stray light, decrease in efficiency of useful light flood, excessive light flood, increase in light pollution level, damage to light ecology of the city, high level of light pollution.
<b>Economical efficiency</b><br>
Economical efficiency ≠ price of the lamp.
Economical efficiency: efficiency (lm/W), installation cost , the frequency and cost of maintenance, number of lamps per object, «price for lumen»  (or «€/lumen»).
Economical efficiency
Economical efficiency ≠ price of the lamp. Economical efficiency: efficiency (lm/W), installation cost , the frequency and cost of maintenance, number of lamps per object, «price for lumen» (or «€/lumen»).
<b>Blinding of drivers</b><br>
Exceeding the threshold brightness --- >> <br>Temporary blindness  of the driver --- >> extremely dangerous situation on the road.
The absence of a blend, a simple form of the housing leads to the direct illumination of the driver's eyes above the threshold brightness.
Blinding of drivers
Exceeding the threshold brightness --- >>
Temporary blindness of the driver --- >> extremely dangerous situation on the road. The absence of a blend, a simple form of the housing leads to the direct illumination of the driver's eyes above the threshold brightness.
<b>Energy efficiency (increased light output).</b><br>
 Low color rendering index. Low rate lm/W = inefficient use of electricity.
The lower the color rendering index, the less reliable the human eye perceives the situation on the road.
Energy efficiency (increased light output).
Low color rendering index. Low rate lm/W = inefficient use of electricity. The lower the color rendering index, the less reliable the human eye perceives the situation on the road.
<b>Vibration and wind affect over the lamps functioning</b>
<br>
Vibration effects from vehicles and other external factors.
Strong wind creates a variable load on the lamp and decrease in the stability of its fixation.
Vibration and wind affect over the lamps functioning
Vibration effects from vehicles and other external factors. Strong wind creates a variable load on the lamp and decrease in the stability of its fixation.

Solution - «Four light»

from Team DEG Licht GmbH

Feature «Four light»

  • Double thickness aluminum alloy housing or oxide coated.
  • All contacts between different metals pass only through insulating spacers.
  • Soft mount a protective polycarbonate glass with a relief valve.
  • Optics is not used. The use of high-quality reflectors.
  • Electronic circuit boards are covered with a special varnish.
  • Compliance with IP65.
  • Full compliance with the claimed IDC.
  • The choice between 4 IDC types for each particular object.
  • The special shape of the floodlight and reflectors for an optimal uniform light flux.
  • Threshold increment of brightness is set to 8%, which means there is no blindness (at demand of ≤15%).

High efficiency

Energy efficiency
We use LEDs from the leading manufacturer CREE are used, the series XML with light flux 160 lm/W and color temperature 3000 to 6000 K.

Economical efficiency
Number of pillars per 1 km = 18,5 pcs.
Number of lamps per 1 km = 37 pcs.
Cost of lighting installation* per 1 km = 33 500 €
Cost of the lamp* = 600 €
Cost of installation* = 600 €
Energy cost for 10 years* = 30 000 €
*The calculations shown are approximate. For each particular project characteristics may differ.

Product Features

CityLED1 series, CityLED2 series

CityLED1

  • INSTALLATION
    The fixture is mounted on the console to 55 mm diameter (up to 60 mm through an adapter)
  • CONSTRUCTION
    The housing is made of aluminum, has a protective anode coating with depth of not less than 15 microns. Power supply included
  • OPTIC COMPONENTS
    Adaptive optics system OFOS. LEDs CREE XM-L2. Protective anti-vandal glass or technical light-stabilized polycarbonate.  
  • Symbols on the lamps
    CityLED1-N-P/I-L-S contain the following data: N – number of LEDs in the lamp; P – power supply scheme; I – working current, А; L – IDC type А, В, С, D; S – LEDs power consumption. Сonstruction ...
  • Technical characteristics
    Color temperature, К = 4500* Protection class = IP 65 * The floodlights can be produced with light temperature 3000-6500К
    More characteristics...

CityLED2

  • INSTALLATION
    The fixture is mounted on the console to 55 mm diameter (up to 60 mm through an adapter)
  • CONSTRUCTION
    The housing is made of aluminum, has a protective anode coating with depth of not less than 15 microns. Power supply included.
  • OPTIC COMPONENTS
    Adaptive optics system OFOS. LEDs CREE XM-L2. Protective anti-vandal glass or technical light-stabilized polycarbonate.
  • Symbols on the lamps
    CityLED2-N-P/1.3-L contain the following data: N – number of LEDs in the lamp; P – power supply scheme; I – working current, А; L – IDC type А; S – LEDs power consumption. Сonstruction ...
  • Technical characteristics
    Color temperature, К = 4500* Protection class = IP 65 * The floodlights can be produced with light temperature 3000-6500К
    More characteristics...

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We are happy to call you to answer all questions and to tell you how it works ...

PRODUCT FEATURES

SERIES CITYLED3

INSTALLATION
The fixture is mounted on the console to 55 mm diameter (up to 60 mm through an adapter)

CONSTRUCTION
The housing is made of aluminum, has a protective anode coating with depth of not less than 15 microns. Power supply included.

Symbols on the lamps
CityLED3-15-P/1.3-L contain the following data: N – number of LEDs in the lamp; P – power supply scheme; I – working current, А; L – IDC type А, B, C, D.
Сonstruction ...

OPTIC COMPONENTS
Adaptive optics system OFOS. LEDs CREE XM-L2. Protective anti-vandal glass or technical light-stabilized polycarbonate.

Technical characteristics
Color temperature, К = 4500* Protection class = IP 65 * The floodlights can be produced with light temperature 3000-6500К
More characteristics...

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