Explosion proof led emergency light in the energy storage industry lighting in the fundamental role and intelligent get the solution

Introduction: energy storage industry safety challenges and Explosion proof led emergency light inevitable choice

Accompanied by the acceleration of the global energy transition, the energy storage industry [such as battery storage power stations, hydrogen storage facilities] scale of the rapid expansion. However, the energy storage system is often accompanied by high temperatures in operation, the release of flammable gases [such as hydrogen], electrolyte leakage and other risks, ordinary lighting equipment is difficult to meet the safety requirements.

Explosion proof led emergency lamp, with their explosion-proof, corrosion-resistant, intelligent control and other characteristics, become the core safety line of defense for the lighting system of energy storage facilities.

In this paper, from the technical advantages, application scenarios, selection guidelines and other dimensions, analyze how Explosion proof led emergency light for energy storage industry safety and performance empowerment.

First, the special risks of the energy storage industry and the core value of Explosion proof led emergency light

1. The primary safety hazards of energy storage facilities

Combustible gases and dust: thermal runaway lithium-ion batteries probably release hydrogen, methane and other flammable gases; battery production and assembly process generates metal dust is easy to form explosive mixtures.

High temperature and electric spark risk: charging and discharging equipment, inverter operation may produce high temperature or electric arc, ordinary lamps and lanterns are easy to become ignition source.

Chemical corrosion environment: electrolyte leakage or acidic vapors may erode the lamp shell and circuit, shorten the life of the equipment.

2. Explosion proof led emergency light safety mechanism

Explosion proof led emergency light approved the following design to implement intrinsic safety:

Explosion-proof structural design: the use of explosion-proof [Ex d] or increased safety [Ex e] shell, the internal circuitry and the external hazardous environment is completely isolated to prevent the leakage of sparks.

Emergency power system: Built-in high-capacity lithium battery or super capacitor, automatic switching within 0.5 seconds after the main power interruption, continuous supply of 30 minutes to 2 hours of lighting to meet the “GB 17945-2010” emergency lighting guidelines.

Corrosion resistance and high protection: IP66/IP67 protection level and fluorocarbon coating surface treatment, resist corrosive media such as electrolyte and salt spray.

Second, Explosion proof led emergency light in the energy storage industry core application scenarios

1. Battery storage and charging and discharging areas

Battery compartment lighting: Explosion proof led emergency lamp need to comply with Zone 1 explosion-proof grade [high hazardous area], to adapt to the hydrogen concentration probably exceeded the standard confined environment, such as lithium energy storage containers.

Charging and discharging equipment monitoring: Installation of Explosion proof led emergency lamp in the inverter and PCS area, approving red/yellow dual-color lights to indicate the operating status of the equipment and reduce the risk of misuse.

2. Emergency evacuation and safe passage

Intelligent evacuation guidance: Explosion proof led emergency lamp are integrated with sound and light alarm function, which automatically activates high-frequency flashing and voice prompts when there is a sudden fire or gas leakage, guiding people to evacuate along the preset path.

Barrier-free lighting coverage: Wide-beam Explosion proof led emergency lamp are deployed in the stairwells and escape exits of the energy storage power station to ensure that the ground illumination is ≥1lx, avoiding evacuation blind zones.

3. Maintenance and outdoor scenes

Outdoor energy storage unit lighting: Explosion proof led emergency light need to have -40 ℃ ~ 70 ℃ wide temperature working ability to adapt to the photovoltaic energy storage plant, wind power supporting energy storage extreme climate.

Mobile maintenance lighting: equipped with portable Explosion proof led emergency lamp, with the help of magnetic fixation and wireless remote control, to facilitate the safe operation of technicians in a small space.

Third, the energy storage industry Explosion proof led emergency light selection and technical guidelines

1. Certification and compliance requirements

International explosion-proof certification: choose to approve ATEX, IECEx or China CNEx certified products to ensure compliance with the guidelines for the use of explosive atmospheres.

Industry-specific adaptation: for hydrogen energy storage facilities, you need to choose the explosion-proof grade Ex d IIC T4 [for hydrogen environment] lamps.

2. Fundamental technical parameters

Light source performance: preferred LED light source, light efficiency ≥ 120lm / W, color temperature 5000K, color rendering index Ra> 80, to protect the accuracy of operation and maintenance.

Emergency range: According to the requirements of GB 51309-2018, the energy storage control room needs to be equipped with Explosion proof led emergency light with continuous lighting ≥ 180 minutes.

3. Intelligent function upgrade

IoT integration: Approve LoRa or NB-IoT module, implement remote monitoring of lamps and lanterns status, power and fault warning, reduce the cost of manual inspection.

Multi-energy compatibility: support solar – lithium battery hybrid power supply, with light chasing system [such as Jiechang electric actuator technology], to enhance off-grid energy storage scenarios energy self-sufficiency.

Fourth, Explosion proof led emergency light installation and maintenance strategy

1. Professional installation specifications

Zone distribution principle: According to IEC 60079 guidelines to divide the hazardous area [Zone 0/1/2], strictly match the explosion-proof level of the lamps and lanterns.

Explosion-proof sealing process: the cable entrance uses explosion-proof glands, and the junction box adopts double sealing design to prevent gas infiltration.

2. Full life cycle maintenance

Monthly inspection: clean the dust on the surface of the lamp body, test the emergency switching function, and ensure that the battery capacity is ≥ 80% of the nominal value.

Annual in-depth maintenance: commission a third-party organization to test the gap between the explosion-proof joints, insulation resistance, and update the aging seals.

Fifth. Answers to common problems [FAQ].

Q1：All areas of the energy storage plant are required to Explosion proof led emergency lamp?

A: According to the hazardous area. Battery compartment, electrolyte storage area Zone 1 area must be used; office area and other non-hazardous areas can be configured with ordinary emergency lights.

Q2：Explosion proof led emergency lamp emergency response time requirements?

A: Safety lighting needs to start within 0.5 seconds, evacuation lighting ≤ 5 seconds, standby lighting ≤ 15 seconds, in line with GB 17945 guidelines.

Q3：How to improve the reliability of Explosion proof led emergency light in outdoor energy storage scenes?

A：Choose IP68 protection level, wide temperature type lamps and lanterns, and with anti-vibration bracket and anti-UV coating.

Q4: Explosion-proof emergency light life tends to be how long?

A: High-quality LED explosion-proof lamp life ≥ 50,000 hours, the number of battery cycles ≥ 500 times, advocating the replacement of batteries every 3 years.

Conclusion: Explosion proof led emergency light – energy storage industry safety and efficiency of the double cornerstone!

Driven by the “double carbon” intention, the energy storage industry is moving towards scale and intelligence. Approval of the deployment of high standard Explosion proof led emergency light, enterprises can not only avoid the risk of explosion, to meet regulatory requirements, but also approved intelligent operation and maintenance to reduce the whole life cycle cost.

In the future, along with the photovoltaic linkage, digital twin and other technology integration, Explosion proof led emergency lamp will be upgraded from a single lighting device to the core node of the energy storage safety ecosystem.

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