Five major trends in commercial lighting in 2018

Osram summed up the major trends in commercial lighting in 2018. Let's take a look at what this lighting professional player thinks about the future.

Human illumination

Light affects our lives in many ways, including our health, mood, productivity, attention, sleep cycle, and decision making.

With the adoption of smart lighting and the Internet of Things, lighting features such as color, intensity and time can be automatically adjusted to meet people's needs. For example, in an article by Digital Lumens, the author states: “In a child's school, biosensors will track the student's alertness and subtly alter the spectrum to automatically increase their attention at any time.”

Chad Groshart, IALD (Member of International Lighting Designers Association), LEED AP BD + C (LEED Green Building Design and Construction Qualifications) and WELL Faculty / AP (WELL Qualified Personnel), he is directly involved in human lighting (HCL) every day ). Groshart said: "Human lighting is an important trend, people's interest in it is increasing, and the adoption is becoming wider and wider. The latest control technology makes it easier to implement." He said: "The WELL building standard has always been the trend of HCL. The catalyst behind it."

The WELL Building Standard is a performance-based system for measuring, authenticating and monitoring the architectural environment characteristics that affect people's health and well-being. It is a third-party certification issued by the Green Business Certification Corporation (GBCI), which is responsible for managing LEED certification and certification procedures.

Intelligent lighting leads to IoT applications

Lighting is everywhere, and every luminaire can be connected to the power supply easily and reliably. By adding sensors, LED technology and connectivity have changed the way we visualize and interact in our workspace. A smart, sensor-filled, connected lighting system will become a data-driven network that can be tied to an automated building management system (BMS).

Forward-looking building owners and facility managers will treat each lighting point as a data node and may become an early adopter of emerging smart buildings and IoT applications. The connected lighting control systems they now choose for lighting and energy management will be the infrastructure to implement these applications.

Spreading sensors

We are still in the pioneering phase in understanding which IoT applications will be launched and which sensor data will be required. In preparing the unknown infrastructure of the building, some facility managers hedge their bets by installing a larger number of sensors in the connected lighting management system.

In addition to light sensors and occupancy sensors, forward-thinking facility managers are experimenting with sensors such as relative humidity, particulate matter, and environmental contaminants. The awareness of "more and better sensors" is spreading.

“It’s no surprise that luminaires are considered an ideal sensor deployment platform,” Groshart said. “Although no one knows the exact potential of each type of sensor, there is a general agreement among equipment managers in high-end design projects, especially The potential is reserved because no one wants to be left behind when everything becomes a reality."

Simplify daylight harvesting

Daylight harvesting is not a new lighting control strategy. Similarly, the market has called for a simplification of the daylighting control debugging process. ASHRAE 90.1-2016 enhances the automatic daylight-sensitive control requirements for side-lighting and top-illumination, adding more lighting requirements, while the appropriate lighting in the LEED-certified rating system includes 3 points.

With the emphasis on ease of installation, it is hoped that the daylight harvesting problem will be more easily solved with the new lighting control system, which provides easy setup and commissioning tools. It is hoped that as much natural light as possible will be brought into space, not only in compliance with regulations, but also in terms of energy efficiency.

Daylight Harvesting uses a lighting control system to adjust artificial lighting in response to changes in daylight volume. The automatic lighting control system uses light sensors to measure the amount of natural light in the space and dim or turn off artificial light when there is sufficient ambient light to achieve consistent Optimal light levels while reducing energy consumption.

Energy consumption and regulations

Although new energy regulations have been driving the digitalization of lighting over the past 10 years, we still have to mention it on the 2018 lighting trend list. In fact, energy consumption continues to affect many lighting design decisions, especially as regulations update and become more stringent. Many in the industry expect that the 2019 version of Title 24 will take effect on January 1, 2020, and facility managers outside of California will be concerned about this update as energy mandates may spread to other states.

Although the energy budget is still a key parameter in design, experts believe that the new regulations should not prevent anyone from performing a good lighting design. For example, they point out that ASHRAE Standard 90.1 has a 1 watt/sq ft decorative margin above the baseline quota, which allows lighting designers to strike a balance between energy regulations and customer expectations. .

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Resistor (Resistor) commonly known as resistance directly in our daily life.It is a current limiting element. When the resistance is connected to the circuit, the resistance value of the resistor is fixed, usually two pins.Fixed resistors are those whose resistances cannot be changed.Resistance variable is called potentiometer or variable resistor.The ideal resistor is linear, that is, the instantaneous current through the resistor is proportional to the applied instantaneous voltage.Variable resistor for partial pressure.On the exposed resistor body, one or two movable metal contacts are pressed tightly.The contact position determines the resistance between any end of the resistance body and the contact.

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