LED Technology Catch here
Sensors: The next LED technology revolution
By Jonathan Catchpole, System Architect, Industrial, and Alex Hunt III, Global Product Manager, Lighting, TE Connectivity
W
ithin the last five years, LED technology has made a major impact on the lighting industry — greatly reducing
energy consumption and increasing the level of control available for outdoor lighting. However, the impact of LEDs is far from finished.
Integrating more sensors in conjunction with LED technology will allow us, not only to realise further energy savings, but to build the infrastructure needed to meet the demand for fully connected homes and cities. Connecting people to their homes is a bigger task than using their phone or tablet to control certain devices. Instead, it will require the ability for devices to sense our needs and have the home automatically adjust to meet them. Therefore, the amount of sensors will grow and as engineers, we will need to understand how to integrate them into our products and increase their functionality.
Spearheading street lighting One of the fi rst application to embrace and adopt LED technology is street lighting. With roughly 360 million streetlights around the world, to fully utilize the new LED technologies, required a new interconnect solution. Specifi cally, something backwards compatible with the 3-position power interface, while adding additional signal connections — for LED dimming. This also created the possibility to add additional sensors and features, like temperature and/ or noise sensors and more. This update to the ANSI interface happened eight years ago. Then in 2017 Zhaga released an alternative interface: the book 18 interface. This interface was developed from the ground up specifi cally for LED streetlights.
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In response to this need, TE Connectivity expanded its LUMAWISE Endurance N lineup to include both standard and rotatable dimming receptacles, for the ANSI interface, and its LUMAWISE Endurance S range for the Book 18 specifi cation. The conversion to the ANSI fi ve- and seven-position interface solution is currently underway on every LED streetlight in North America.
The Endurance N portfolio includes a three position, non-dimming version of the legacy receptacle. The three-position version was engineered specifi cally for high intensity discharge (HID) lamps that are currently still in the marketplace. A fi ve- and seven-position version is also readily available, which allows the interconnects required to make a dimming connection for the streetlight. With the
aforementioned solutions, TE can also address any outdoor lighting application that requires an ANSI- or Zhaga-compliant interface. And looking toward the future, these interconnect solutions are not only going to migrate across a signifi cantly large share of 360 million roadway and streetlights globally. It will also integrate into the other 360 million commercial area LED lighting luminaires globally that illuminate college campuses, parking lots, car dealerships and more.
All about that base
As a world leader in connectivity and sensors, TE Connectivity understands the components needed to help installers leverage tomorrow’s technology today.
From connectors and relays to sensors and filters, passive components and more, TE can provide a full LED lighting solution. The extensive portfolio of connectors, labels and fi lters enable LED fi xtures to survive in punishing outdoor environments while providing beautiful, reliable and effi cient lighting. Regardless of the market or application, LUMAWISE LED holders are also a good solution for COB (Chip on Board) LED lighting needs, including industrial, residential, architectural, commercial, outdoor and retail. The newest addition to TE’s product offering is the LUMAWISE Endurance N+ base and covers, which join the already comprehensive LUMAWISE product portfolio. In a market with increased regulations and strong competition,
LUMAWISE Endurance N+ base and covers offer low-cost
options with different heights that meet requirements for ANSI C136.41 networked lighting controls. The new LUMAWISE Endurance N+ base and covers were strategically designed to reduce
applied cost during the assembly process. The product incorporates an integrated gasket, where previously one needed to be purchased and applied separately.
Additional features of the LUMAWISE Endurance N+ base includes availability in 84mm diameters and varying heights to support photo control packaging designs. With the two shot molded gasket design, assembly costs go way down and the IP66 water ingress protection provides a waterproof solution. The covers also have a
IK08 impact and 5VA fl ammability rating to provide long term protection from elements and the standard interface mates to other ANSI compliant receptacles.
Two nodes are better than one Different sensing technologies may need to have a different fi eld of view, other than what an upwards facing interface can provide. This is where Zhaga’s Book 18 and TE’s Endurance S products excel. The Endurance S receptacle has the ability to be mounted in any orientation and edition 2 and 3 of Book 18 defi nes the two-node architecture and the intra-luminaire communication protocol, called D4i. Allowing a sensor input device on the bottom of the luminaire to communicate to a control node on the top of the luminaire and, in turn, control the driver.
Streetlight could be used as a gateway for other remote sensors. Such a user case is that a municipality may make savings in other areas like only emptying rubbish bins when they are full. A sensor in that bin would communicate its state back to the streetlight network which in turn would communicate back to a central location.
The LUMAWISE Endurance S S2 makes it even easier for a luminaire manufacturer to wirer this two-node architecture, with its dual wire poke-in feature.
LED leads the way
Today, LED lighting is more than just illumination. It goes beyond a light source to provide increased effi ciency, enhanced adaptability, and the components needed to create connected homes and cities. LED lighting technology has evolved from a lighting fi xture to a platform for innovation.
te.com Components in Electronics May 2021 37
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