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LED LIGHTERS DL2 SERIES
LED LIGHTERS FOR VISION SYSTEMS DL2 SERIES

 RODER Electronics presents the new LED lighters DL2 series for artificial vision systems bases on cameras.
The new LED lighters DL2 series is characterized from a relationship price/quality without equal and they represent the union between the most modern optoelectronics technologies and an innovative design in a position to guarantee an optimal removal of heat produced from the luminous source and an high uniformity of the illuminated field. This LED lighter series is particularly indicates for artificial vision systems bases on cameras that operate in backlight way. 

serie_DL2

Description

The LED lighter DL2 series are indicate for the realization of artificial vision systems. The lighter is placed in a way to illuminate the object (or the single object zone) that must to be controlled. It's therefore possible to determine dimensional parameters (width, position, distance etc.. ) or of defective state parameters (spots, deformations, holes, material absence, etc... ) or the character and barcode reading

The employment of LED lighters in the field of artificial vision is a consolidated and diffused reality above all for the advantages that derive from the use of semiconductor luminous sources (LED) between wich the long working life of the lighter, the good homogeneity of the illuminated field, the possibility to choose the wavelength and therefore the emitted light colour, the possibility to realize lighters with innumerables shapes and dimensions, the easiness of regulation and modulation of the emitted light :

LED lighters DL2 series features :


- Sturdy container in anodized aluminium in a position to conferring an high twisting rigidity and an optimal resistance to the bending also for lighters of particularly elevated lengths.
The construction has been studied in order to allow the employment of these lighters also on machines and systems that don't have suitable fixing supports for the entire length of lighter. The two fixing points, situate near the two extremities of the lighter, are sufficient to maintain in rectilinear position the entire lighter.

- Efficient heat dissipation system produced from the luminous source planned in order to transfer towards the external walls of the lighter the maximum amount of heat. The developped heat is entrusted to particular dissipated materials, derivated from materials developped in the aerospace field and employed from RODER Electronics in this new series of lighters.

- Innovative system of optical spread of light studied to guarantee the maximum uniformity of the lighting in the working area. The employment of innovative materials in a position to diffusing in an uniform way the light produced from the LED at semiconductor and in the same time to maximize the quantity of the emitted light allows to obtain lighters with an optimal relationship lighting/consumption.

- High reliability and long duration of the luminous source have been obtained by the employment of semiconductor LED at high efficiency, thanks to the most modern optoelectronics technologies. The average life of of a LED source at semiconductor, correctly fed and working at temperatures inside of the admitted limit, exceed abundantly the 100.000 hours.

- Modular structure in a position to allowing the construction of lighters with various working lenghts. The employment of a modular structure allows the construction of lighters that can  measure from a minimum of 100 mm up to 250 mm.

- Protection against polarity reversal, in order to eliminate whichever possibility of breakdown as a result of wrong connexions of the feeding polarity.

Employment of LED lighters DL2 series

The LED lighters DL2 series are employed in different artificial vision applications :

- systems for defect relief on discreet objects

- systems of dimensional control and positioning

- color identification systems

- defect control systems of continuous products

- systems for the control of the object position/absence in the production line

- systems for the control of wire and rope defects

- systems for the control of tissues defects


- systems for the correct set of particulars in assembly lines

Specifications
MODEL LED LIGHTER DL2 SERIES
LUMINOUS SOURCE LED at semiconductor
WAVELENGTH red, yellow, green, blue, white, infrared
STANDARD LENGTHS OF THE WORKING FIELD 100/200/300/400/500/600/700/800/900/1000 mm
CUSTOM LENGTHS OF THE WORKING FIELD from 1000 up to 2500 mm
LIGHT SOURCE VLD (Visible Laser Diode) , Class II
POWER SUPPLY 24 Vdc +/- 5%
CONSUMPTION from 0.1 until 1 A
CERTIFICAZIONS CE

MODELS AVAILABLES
10-00-20 DL2-025100-XXX-A00000 LED Lighter 25x100
Wavelength available : red, yellow,green, blue, white, infrared
10-00-30 DL2-025200-XXX-A00000 LED Lighter 25x200
Wavelength available : red, yellow,green, blue, white, infrared
10-00-40 DL2-050100-XXX-A00000 LED Lighter 50x100
Wavelength available : red, yellow,green, blue, white, infrared
10-00-50 DL2-050200-XXX-A00000 LED Lighter 50x200
Wavelength available : red, yellow,green, blue, white, infrared
10-00-60 DL2-050050-XXX-A00000 LED Lighter 50x50
Wavelength available : red, yellow,green, blue, white, infrared
10-00-70 DL2-100100-XXX-A00000 LED Lighter 100x100
Colori disponibili : rosso, giallo, verde, blu, bianco ed infrarosso
10-00-80 DL2-200200-XXX-A00000 LED Lighter 200x200
Wavelength available : red, yellow,green, blue, white, infrared
10-00-90 DL2-025300-XXX-A00000 LED Lighter 25x300
Wavelength available : red, yellow,green, blue, white, infrared
10-01-00 DL2-050300-XXX-A00000 LED Lighter 50x300
Wavelength available : red, yellow,green, blue, white, infrared
10-01-10 DL2-100300-XXX-A0000 LED Lighter 100x300
Wavelength available : red, yellow,green, blue, white, infrared
10-01-20 DL2-200300-XXX-A00000 LED Lighter 200x300
Wavelength available : red, yellow,green, blue, white, infrared
10-01-30 DL2-300300-XXX-A00000 LED Lighter 300x300
Wavelength available : red, yellow,green, blue, white, infrared
10-01-40 DL2-025400-XXX-A00000 LED Lighter 25x400
Wavelength available : red, yellow,green, blue, white, infrared
10-01-50 DL2-025500-XXX-A00000 LED Lighter 25x500
Wavelength available : red, yellow,green, blue, white, infrared
10-01-60 DL2-025600-XXX-A00000 LED Lighter 25x600
Wavelength available : red, yellow,green, blue, white, infrared
10-01-70 DL2-025700-XXX-A00000 LED Lighter 25x700
Wavelength available : red, yellow,green, blue, white, infrared
10-01-80 DL2-025800-XXX-A00000 LED Lighter 25x800
Wavelength available : red, yellow,green, blue, white, infrared
10-01-90 DL2-025000-XXX-A00000 LED Lighter 25x1000
Wavelength available : red, yellow,green, blue, white, infrared
10-02-00 DL2-025012-XXX-A00000 LED Lighter 25x1200
Wavelength available : red, yellow,green, blue, white, infrared
10-02-10 DL2-100200-XXX-A00000 LED Lighter 100x200
Wavelength available : red, yellow,green, blue, white, infrared


Widening :

Employment of LED lighter in artificial vision systems

Why spend hundred of Euro for a LED lighting system?

Is not sufficient one economic light bulb buyable in whichever supermarket ?

Does it not carry out the same function ?

These are the questions that often place who for the first time acquires a LED lighter for artificial vision systems.

Then carefully analyzing the LED lighter features we notice that the obtainable performances with this type of luminous source are difficulty reached from many other luminous sources. Moreover it is always necessary to know that the lighting system performances, in an artificial vision system, constitute a good 50% of the system global performances and that the employment of expensive and sophisticated cameras and frame grabber cannot replace that that a good lighter can realize.

The main advantages offers from the LED lighters are :


- Possibility to choose the wavelength .....
It's possible to choose between different wavelengths and therefore between different colours of the emitted light (red, orange, amber, yellow, green, blue, violet, white, infrared). All emitted light colours, with the exception of white, are monochromatics.

- Long average life.
The average life of a LED source at semiconductor, correctly fed and operating at temperature inside the admitted limit, exceed abundantly the 100.000 hours.Moreover it maintains constant the own luminous intensity for a period estimated of 50.000 hours of working. During the remaining operating life, more than 50.000 hours, the LED undergoes a light and graduates redction of the emitted luminous intensity. In the greater part of the applications this light reduction of the emitted luminous intensity doesn't provoke any variation of the system behaviour.

- Good performances/cost ratio.
The LED lighter totally has a good performances/cost ratio determined from its long average life of working and from the stability of its luminous emission.

- Working at low tension.
With the exception of other luminous sources (for ex. fluorescent sources) the LED lighter works with an operating tension of few volt. This allow the installation of this type of lighter without particular precautions or dangers for the user.

- Easiness of personalization.
The LED is constituted from one small junction of semiconductor material realized on a substrate that is not larger than 1 mm². This particularity renders the LED easily integrable in lighters with the most varied shapes and dimensions, obtaining therefore personalized lighting systems.

- Sturdness and resistant to the vibrations.
The LED lighters just because constituted from luminous sources at semiconductor inserted in a seal container, are sturdy and adapted for installations with vibrations and mechanical shocks.

- Possibility to realize directional light beams at high intensity
Some LED lighter can be supplied in container with integrated lenses and therefore with a determined output angle. Joining more LED sources on an only support is possible to obtain light beams with output angles very precise and therefore easily directionables on the object to analyze. Is moreover possible to obtain light spot at high intensity by converging more luminous sources in the same point.

- Modulation possibility and luminous intensity regulation
The LED lighters allow the emitted luminous intensity regulation. Through special drivers is possible to vary the tension or the feeding current of the LED matrix by consenting the emitted light quantity variation from the lighter. If the tension or current variation is not gradual but is instantaneously passes from 0% up to 100%, or vice versa,is possible to obtain the controlled lighter turn on and turn off . in this case is possible to turn on and turn off the lighter with an external drive, by generating light flash of extremely short duration, also in the order of 1 millionth of second (1 us). The limitation of the emitted light, both reducing the emission level of the single LED, and turning on the lighter only when necessary and turning off when the vision system is not operating, allows further lighter average life lengthening and a lowering of the medium temperature of working.

- Possibility to obtain brilliant light beams for short periods.
It is possible to obtain through special drivers a luminous emission also 5 times more intense than that nominal for short time periods without compromise the lighter duration. This technique must be carried out with special power supplies (driver) purposely realized for this type of employment.


The main disadvantages deriving from the LED lighter employment are:

- High working temperature if they work in way "always ON".
If the lighter is employed in way "always ON" it can establish an high working temperature that could accelerate the LED source decline process and therefore a reduction of the light average life.
If there wasn't the possibility to employ the lighter in modular way, we suggest the installation in places where there's an adapted produced developed heat (through the equipment chassis or through external wasters) or in presence of eventual cooling fans. We moreover suggest that never set the lighter near heat sources or near warm elements.

- Homogeneity of the emitted light not always comparable with other types of luminous sources.
For the emission intrinsic feature of the LED (punctiform light source) in some applications where is demanded a very high luminous emission homogeneity, the light emitted from the LED lighters could be not comparable with the homogeneity of some others types of lighters.

RGS Program

RODER GLOBAL SUPPORT

The RODER GLOBAL SUPPORT program has been devised from RODER Electronics in order to guarantee to the Customer a suitable technical-commercial support during the phase of choice, purchase, setting and maintenance of products at high technological content made by RODER Electronics.


The RGS mark is applied on the components that satisfy the following requirements.


- Device planning nearby RODER Electronics laboratories (with the advantage for the Customer who can speak directly with the technical support of the producer)

- Realization of the product nearby RODER Electronics (the Customer can count on a monitoring production process directly from who has conceived the product)

-Technical Support directly supplied from RODER Electronics (The Customer doesn't have to address with thirds parties for the demand of more informations or technical data)


- Product certification through the test at 100% of the devices produced with the release of the test certification (warranty of maximum realized product quality)




RODER Electronics - Torino - Italy - Tel. ++39 0124 34301   Fax. ++39 0124 470611    roder@roderelectronics.com
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