Tuesday 13 March 2018

Inula bollard – using light to design the night

These days, rather than more light, public spaces around build­ings, in parks or on other sites require greater light pre­ci­sion. For­tu­nately, tools like the new Inula bol­lard by Selux have been designed with pre­cisely this goal in mind. Phys­i­cally reduced to the extreme on their exte­rior dimen­sions, they pro­vide highly effi­cient, glare­less and scat­tered light as well as a wide range of pos­si­bil­i­ties for the use of light in the design of public spaces.

During dark­ness, public spaces develop a char­ac­ter entirely of their own. Good light­ing design is imper­a­tive in order to make these areas feel safe and invit­ing to pedes­tri­ans. Yet this needs to be done in such a way that the neg­a­tive effect of light pol­lu­tion and glare is not exces­sive. As well as plan­ning sen­si­tively, here there is a need for lumi­naires that offer a wide range of pos­si­bil­i­ties for design yet with­out their being too obtru­sive. Bol­lard lumi­naires like the Inula by Selux can play a dual role in light­ing con­cepts of this type. As bol­lards, their pres­ence alone serves to delin­eate spaces while, as a light source, the Inula can use its flex­i­ble light­ing tech­nol­ogy for effec­tive, ground-level illu­mi­na­tion.

The Inula’s basic form could not be sim­pler, com­pris­ing a solid tubu­lar pro­file with a diam­e­ter of 20 cm in sev­eral heights. The key to its inno­va­tion is its light­ing tech­nol­ogy, with its spe­cially designed, highly dis­creet appear­ance. When illu­mi­nated, its matt black, qua­drat­i­cally split light exit area is unob­tru­sive and glare­less while at the same time shield­ing the LED light source from direct line of sight. This makes the Inula ideal for sen­si­tive areas close to nature. 

The bol­lard lumi­naire emits no light what­so­ever in upward direc­tion as has been offi­cially rec­og­nized by the Inter­na­tional Dark Sky Asso­ci­a­tion. By con­trast, bol­lard illu­mi­na­tion at ground level is highly effi­cient and vari­able using three dif­fer­ent char­ac­ter­is­tics. The Inula is avail­able with sev­eral designs of active light quad­rants: single (for­ward 90°) beam­ing, double, side-by-side (asym­met­ri­cal 180°) beam­ing or quadru­ple (sym­met­ri­cal 360°) beam­ing. Common to all these light dis­tri­b­u­tions is the uni­form nature of the planar illu­mi­na­tion, which employs vis­i­bly soft tran­si­tions.

As well as the var­i­ous direc­tional char­ac­ter­is­tics, the Inula also offers a range of addi­tional vari­a­tion options so that the bol­lard can be indi­vid­u­ally adapted to the rel­e­vant appli­ca­tion. The LED mod­ules are avail­able in the lumi­nous colours 3000 K or 4000 K while the tubu­lar pro­files come in powder-coated Selux graphite or in a cus­tomer-spe­cific colour. The pro­file mate­r­ial itself con­sists of a par­tic­u­larly cor­ro­sion-resis­tant alu­minium alloy. Hous­ing and elec­tronic com­po­nents con­form to the high­est Selux stan­dards, ensur­ing reli­able oper­a­tion in public spaces for years to come.

March 2018

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