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Smart cities need smart lighting. It saves energy, enables remote control, and meets standards. Long-Join’s photocell sensors and photocell control switches deliver exactly that — reliability backed by decades of expertise.
receptáculo zhaga-nema

Principais tendências tecnológicas em iluminação pública inteligente controlada remotamente e aplicações inovadoras de fotocélulas da Long-Join

Introduzir

Industry research shows that remote control is a cornerstone of modern smart lighting systems. Cities use ZigBee, LoRa, NB-IoT, and other protocols. They get real-time data and send remote firmware updates. With a click, they can dim groups of lights. This approach saves energy. It also boosts safety, cuts costs, and makes lamps last longer.

 

Eletrônica de junção longa is a trusted global maker of photocell solutions. For over 20 years, it has built these technologies into its innovative products. Our JL-245CZ e JL-246CG units use photocell control and wireless links. They make remote lighting practical, reliable, and ready for the future.

Why Is Remote Control So Important in Smart Street Lighting?

Remote control in smart lighting is not just a convenience — it’s a necessity for modern cities. Without it, operators face higher maintenance costs, slower fault detection, and wasted energy. Remote access allows for:

  • On-demand dimming. Saves energy during low-traffic hours.
  • Centralized fault alerts. This is better than manual inspections.
  • Group scheduling. It’s perfect for parks, roads, or airports.
  • OTA (Over-the-Air) upgrades. This keeps photocell sensorsupdated without physical visits.

Benefits of Remote Control vs Traditional Switches

Recurso

Traditional Photocell Switch

Remote-Controlled Photocell Lighting Sensor

Detecção de falhas

Manual checks required

Real-time alerts to control center

Energy Management

On/off only

Dimming, scheduling, and monitoring

Custos de manutenção

High due to site visits

Lower with centralized updates

Control Flexibility

Nenhum

Full individual and group control

In short, remote control turns outdoor photocell light sensors from simple dusk-to-dawn switches. Becoming intelligent nodes of a connected city grid.

Which Communication Protocols Are Best for Smart Lighting?

Choose the right way to talk clearly. It’s the nervous system of your lighting network. Each option has strengths. ZigBee, LoRa, or NB-IoT work best in different environments.

  • ZigBee: Best for urban layouts with dense lamp spacing. It uses a mesh network.
  • LoRa: Ideal for wide, suburban, or rural zones with fewer lights. It is long range, low cost.
  • NB-IoT: Uses telecom carriers. This offers nationwide coverage and stronger security.

Comparison of ZigBee, LoRa, and NB-IoT

Protocolo

Coverage Range

Power Usage

Custo

Best Application Area

ZigBee

Short to medium

Baixo

Médio

Urban smart streets, campuses

LoRa

Long (up to 15 km)

Muito baixo

Baixo

Suburban, highways, rural zones

NB-IoT

Nationwide via carriers

Baixo

Mais alto

Large-scale city rollouts

Long-Join’s smart photocells, including JL-245CZ and JL-246CG, are built with multi-protocol compatibility, ensuring they fit seamlessly into any city plan.

246-022 controle sem fio zigBee longjoin
246 zigBee wireless control

How Do Long-Join’s Photocell Sensors Improve Lighting Control?

Long-Join combines photocell street light sensors with intelligent algorithms to optimize lighting. These include:

  • Zhaga Book 18and ANSI C136.41 socket compatibility, making upgrades plug-and-play.
  • IP65 and IP67 waterproof. Built to handle rain, dust, storms.
  • LED decay compensation. It adjusts brightness over time to offset lumen loss.
  • Midnight dimming algorithms, reducing brightness automatically when traffic drops.

This makes our photocell for street lights not just switches, but intelligent controllers.

Technical Features of Long-Join Photocells

Recurso

JL-245CZ

JL-246CG

Comunicação

ZigBee / LoRa / NB-IoT

ZigBee / LoRa / NB-IoT

Classificação à prova d'água

IP65

IP67

Socket Compatibility

ANSI C136.41 + Zhaga

ANSI C136.41 + Zhaga

Smart Algorithms

Decay & Midnight dimming

Decay & Midnight dimming

Where Are Smart Photocells Used in Real-Life Cities?

The applications go far beyond just street lighting. Smart photocells with remote control light features are used in:

  • Main and secondary city roads for traffic safety
  • Parks and scenic areas with timed dimming for ambience
  • Industrial zones and campuses needing large-scale automation
  • Airports and logistics centers. Reliability is critical in both.

Smart dusk-to-dawn photocells outdo older sensors. They enable batch control, remote fault alerts, and energy monitoring. This helps cities cut costs and shrink carbon footprints.

What Challenges Do Cities Face When Deploying Smart Photocells?

While smart photocell systems offer immense benefits, many cities encounter challenges during implementation. Common issues include:

  • Compatibilidade: Old systems may not support modern photocontrol receptacles. Including Zhaga or NEMA sockets.
  • Network reliability: Wireless protocols can fail. High interference or extreme weather can often disrupt them.
  • Cost concerns: Switching from old photoelectric sensors costs. Advanced systems need upfront investment.
  • Training needs: Operators must learn to use new dashboards. They must manage the software.

Key Challenges and Solutions

Desafio

Impact on Cities

Long-Join’s Solution

Infrastructure Compatibility

Limits upgrades

Modular Zhaga/NEMA designs

Network Reliability

Signal loss in urban areas

Multi-protocol support with fallback

Cost of Transition

Budget constraints

Scalable rollout with retrofit options

Operator Training

Delays adoption

Technical support & training sessions

By anticipating these hurdles, Long-Join helps clients achieve smoother transitions to smart lighting.

receptáculo zhaga-nema
receptáculo zhaga-nema

What Role Do Zhaga and NEMA Standards Play in Smart Photocell Design?

Zhaga Livro 18 e ANSI C136.41 define two kinds socket standards. They are vital for global compatibility in photocell systems. They fix interoperability issues. Devices from different makers can all work together, smoothly, without hassle. This prevents vendor lock-in. It helps cities deploy large-scale smart lighting networks more efficiently.

Zhaga vs NEMA Standards

Padrão

Principais características

Melhor Caso de Uso

Zhaga Livro 18

Compact, modular, future-ready design

Retrofit and international projects

ANSI C136.41

Widely used 7-pin receptacle

North American deployments

By designing photocell products with both Zhaga and NEMA options, Long-Join ensures that clients can achieve flexibility, scalability, and compliance across global markets.

How Can Planners Choose the Right Photocell for Their Project?

Selecting the right light photocell sensor depends on the project type:

  • New Smart City Projects: JL-245CZ / JL-246CG with LoRa & NB-IoT
  • Retrofit Upgrades: Zhaga-compatible modular photocells for easy integration
  • Export & Compliance Projects: UL773/ CE / ISO-certified models

Recommended Photocell Models by Project Type

Tipo de Projeto

Recommended Photocell Model

Benefício principal

New Deployments

JL-245CZ / JL-246CG

Full remote control & multi-protocol

Retrofit Existing Lighting

Zhaga-based photocells

Compatibilidade plug-and-play

International Export Projects

UL773 / CE / ISO models

Compliance with global standards

For more details, see Long-Join Photocontrol Products.

How Does Long-Join Support Clients Beyond Products?

At Long-Join, we believe smart lighting projects require more than just hardware. That’s why we provide:

  • Datasheets and technical consultations for engineers
  • Sample evaluations before rollout
  • System integration support to ensure compatibility

We partner with city planners, distributors, and project managers. We deliver smart lighting control solutions built to last.

Conclusão

Smart cities need iluminação inteligente. It saves energy, enables remote control, and meets standards. Long-Join’s photocell sensors and photocell control switches deliver exactly that — reliability backed by decades of expertise.

 

Ready to start your project? Contact us today at junção longa or wally@longjoin.com.

Links externos:

●https://en.wikipedia.org/wiki/Mesh_networking
●https://www.zhagastandard.org/books/overview/smart-interface-between-outdoor-luminaires-and-sensing-communication-modules-18.html
●https://www.te.com/en/products/connectors/lighting-connectors/street-lighting-controls/ansi-street-lighting-receptacles.html
●https://www.shopulstandards.com/ProductDetail.aspx?UniqueKey=30842
●https://en.wikipedia.org/wiki/CE_marking
●https://www.iso.org/certification.html

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Fabricante da marca LONG-JOIN de Xangai, há 20 anos profissional em serviços de conectores da série NEMA e Zhaga para atender a uma ampla gama de necessidades de compradores de luminárias e produtos elétricos de marcas estrangeiras.

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É um prazer atendê-lo. Oferecemos aqui as melhores e mais recentes linhas empresariais da marca LONG-JOIN, incluindo controladores NEMA, controle Zhaga e conjuntos de controladores de iluminação pública para cidades inteligentes. Por favor, compartilhe seu endereço de e-mail conosco para receber nossos melhores votos. Estamos ansiosos para continuar esta jornada como seu parceiro de confiança.

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