Smart IoT Solutions for Street Lighting Management

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Street Lighting

Architectural lighting

Software

Smart Pole

Traffic Management

LED Luminaires

DALI Technology

 Lighting Control Systems

Smart City

Street lighting control

Group control

Individual control

Solutions

Products

LoRa

SmartLighting

The group control approach involves managing lamps in clusters, where they are grouped together and operated simultaneously. This method does not offer the flexibility of individual lamp control.<h2>Individual Control Method</h2>Contrarily, the individual control method provides a unique system for each lamp, allowing for tailored lighting adjustments on a lamp-by-lamp basis.<div class="raw-html-embed"><a href="https://streetlighting.sundrax.com/solutions/information" target="_blank" rel="noopener noreferrer" style="text-decoration: none; color: #f65646; line-height: 1.5; font-weight: 700;">Selection Guide</a></div>

Group Control Method

Lighting control has seen remarkable transformations throughout history, from the simplest manual methods to technologically advanced systems. Understanding this evolution gives context to the current state of street lighting control.<h3>Early Beginnings: Torches, Candles, and Oil Lamps</h3>Historically, lighting control started with rudimentary systems, such as torches, candles, and oil lamps. In these times, controlling light was primarily about manual lighting and extinguishing these sources.<h3>Gas Lamps</h3>In the 19th century, gas lamps marked a significant leap forward. Developed to utilize liquefied hydrocarbons to produce light, they still relied on manual operation but represented a shift from the ancient methods.

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A Brief History of Lighting Control

<h3>Electric Lighting</h3>As the 19th century ended and the 20th century dawned, electricity paved the way for innovative lighting systems. This period witnessed the invention of switches, enabling more convenient control of electric lights, including centralized systems for turning them on or off.<h3>Introduction of the Photo Relay</h3>The mid-20th century heralded an era of electronic and technological advancements. The photo relay, a crucial innovation in lighting control, was born. The inaugural street photo relay was developed in the mid-1930s. Acting as the main control element, a photo relay employs a light-sensitive sensor or photo element. This allows for automatic toggling of street lighting based on ambient light levels, ensuring optimal illumination when needed.

The integration of the photo relay into street lighting systems marked a transformative moment in their history. It not only brought about enhanced efficiency but also paved the way for significant energy savings.With the invention of the photo relay, there was a notable improvement in the efficiency of street lighting. The capability to automatically shut off lights during daylight hours meant a considerable reduction in energy consumption. As a result, cities found street lighting more economical and user-friendly.The photo relay also highlighted the first major divergence in approach between Europe and the USA. In European regions, the infrastructure favored the installation of photo relays on groups of lamps, leading to segmental or group control. In contrast, the USA's distinct infrastructure and specifications for street lighting promoted the installation of photo relays on individual lamps.

The Impact of the Photo Relay on Street Lighting

Over time, advancements in lighting control mechanisms have pivoted towards more precise and energy-efficient systems. From photo relays to time-relays, the journey has been intriguing.Time Relays and Timers: Addressing the Photo Relay LimitationsIn Europe, control systems based on time relays and timers became a popular choice. The shift was driven by the challenges associated with photo relays— these could become dirty and might respond to unnatural light sources, such as car headlights, causing false activations. This problem, in a group management setting, could skyrocket electricity consumption and reduce the longevity of the system.An early testament to group lighting control using timers was the system employed in Paris in 1889 for the Eiffel Tower's lighting. Mechanical timers were leveraged to automate the lights' switching process.However, in the US, control was predominantly individual, with a strong inclination towards photo relays for a prolonged period.

Evolution of Group Lighting Control Systems

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But what does contemporary group lighting control resemble? Take the Qulon controllers (Mini, C, C1, C2) as illustrative examples. Generally, such a controller is placed in the lighting control cabinet and governs one or several lighting groups through starters. It is equipped with diagnostic functions and connects to an electricity meter, serving as a part of the electricity accounting system and helping diagnose lighting lines.<div class="raw-html-embed"> Advantages</div>Scheduled lighting. The system can operate based on a preset schedule.Group diagnostics. While pinpointing a specific malfunctioning fixture might not be possible, the problematic group can be precisely identified.Quick installation without changing the lighting setup.Cost-effective in both implementation and operation.<div class="raw-html-embed">Disadvantages</div>Lack of precision in identifying malfunctioning fixtures.Limited energy-saving options due to group-based controls.In the daytime, poles remain unpowered, limiting their infrastructure project potential.Rare applicability in the US, influenced by infrastructure and historical factors.

&nbsp;<div class="raw-html-embed"><h2>Group Lighting Control The Qulon Controller Example</h2></div>

The hallmark of individual control is the allocation of a distinct controller (replacing the photo relay) for every light fixture, enabling independent operation. One of the prevalent light fixture controllers is the GSM Node. Available with NEMA or Zhaga connectors, it introduces functions like on/off, dimming, and status checks.<div class="raw-html-embed">Advantages</div>Comprehensive control over the entire lighting system.Varied energy-saving modes.Facilitates interactive functioning with diverse sensors.<div class="raw-html-embed">Disadvantages</div>High initial implementation costs.Complexity and expenses associated with managing numerous equipment pieces.Typically preferred when there's a complete overhaul of the lighting system.

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Individual Control

Given the diverse nature of urban infrastructure and the strengths and weaknesses inherent to each lighting control method, a one-size-fits-all approach is not the most efficient. It's recommended to adopt a flexible stance, considering the application of both group and individual control methods where they best fit within the city's framework. This integrated approach is likely to yield optimal results, combining the benefits of both systems.

Conclusion

Street lighting plays a pivotal role in ensuring the safety and aesthetics of our urban landscapes. With advancements in technology, there are now two primary methods to manage these lighting systems: group (or segmented) control and individual control.

Street Lighting Control Systems: Understanding Methods and Their Evolution

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Explore the history and evolution of street lighting control systems, from the basic manual methods of previous years to today's technologically sophisticated individual and group controls.

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Medium street lighting cabinet/segment controllers

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QULON C is the central controller of the QULON control system. It is designed to provide remote monitoring and control of all electrical equipment in the lighting control cabinet: magnetic starters, QULON system accessories, etc.QULON C uses RS-485 or CAN interfaces for two-way communication with other devices and meters. 2G cellular communication is used to communicate with the QULON server.The unit is powered from 110/220 V AC or 9-36 V DC.The QULON C is remotely configurable using the QULON control system and DIP switches on the unit.The unit is designed for DIN rail mounting in a lighting control cabinet.

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Medium street lighting cabinet/segment controllers Announcement view

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Medium street lighting cabinet/segment controllers Top View

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Medium street lighting cabinet/segment controllers Side View

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Medium street lighting cabinet/segment controllers Top View (With Terminals)

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QULON C, AC, 2G, 4 relays, 7 inputs, RS, CAN

QULON C, DC, 2G, 4 relays, 7 inputs, RS, CAN

Mechanical

Power & Electrical

Environment

Interfaces and Protocols

Inputs / Outputs

Configuration / Indication

Package Contents

QULON C

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Small street lighting cabinet/segment controllers

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QULON C1 is designed for remote diagnostics and control of street lighting systems.For two-way communication with other devices and meters, QULON C1 uses RS-485 interfaces. A 2G cellular connection is used to communicate with the QULON server.The unit is powered from 110/220 V AC or 9-36 V DC.The QULON C1 can be configured remotely using the QULON control system and the DIP switches on the unit.The unit is designed for DIN rail mounting in a lighting control cabinet.

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Small street lighting cabinet/segment controllers Slider

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Small street lighting cabinet/segment controllers, announcement view

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Small street lighting cabinet/segment controllers, top view

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Small street lighting cabinet/segment controllers, side view

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QULON C1, AC, 2G, 2 relays, 3 inputs, RS

QULON C1, DC, 2G, 2 relays, 3 inputs, RS

QULON C1

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Street light luminaire controller with connection via wire

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QULON Mini is a controller for management and diagnostics of street lighting. The device is designed to control starters and auxiliary modules of the QULON system, transmitting information to a server. It can also control a single group of luminaires.RS-485 interface is used for data exchange with QULON system devices. Data exchange with QULON server takes place via GSM/2G/4G/NB-IoT mobile communication networks. The unit is equipped with a GPS module for time synchronization and geo-positioning.The unit can be remotely controlled via the QULON software.The device is designed for direct installation on a lighting control cabinet. It can also be installed separately or directly on the luminaire via wired connection.

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Street light luminaire controller with connection via wire (Slider)

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Street light luminaire controller with connection via wire, side view

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QULON Mini, Wire, 2G, 1 relay, 1 input, RS, GPS

QULON Mini, Wire, 2G/4G, 1 relay, 1 input, RS, GPS, Region: E

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QULON Mini, Wire, NB-IoT, 1 relay, 1 input, RS, GPS

Ultra compact street lighting cabinet/segment controllers with connection via wire

Inputs/ Outputs

Configuration/ Indication

QULON Mini

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QULON C2 is the central controller of the QULON control system. It is designed to provide remote monitoring and control of all electrical equipment in the lighting control cabinet: magnetic starters, QULON system accessories, etc.QULON C2 uses RS-485 or CAN interfaces for two-way communication with other devices and meters. A 2G/3G/4G cellular or 10/100 Base TX Ethernet wired connection is used to communicate with the QULON server. The unit is equipped with a GPS module for time synchronization and geo-positioning.The unit is powered from 110/220 V AC or 9-36 VDC.QULON C2 is remotely configurable using the QULON control system and the DIP switches on the unit.The unit is designed for DIN rail mounting in a lighting control cabinet.

 Advanced street  lighting cabinet/segment controllers

QULON C2

Smart street lighting
and lighting control

Street Lighting Control Systems: Understanding Methods and Their Evolution

The "Last Mile" in Lighting Control

Efficient Group Lighting Control: QULON Segment Controllers

Introduction to Applying LoRa Standard in Outdoor Lighting Management

Smart street lighting and lighting control

Street Lighting Control Systems: Understanding Methods and Their Evolution

The "Last Mile" in Lighting Control

Efficient Group Lighting Control: QULON Segment Controllers

Introduction to Applying LoRa Standard in Outdoor Lighting Management

Smart street lighting
and lighting control