Access control and fire alarm monitoring at a secondary battery plant with self-powered door and fire detection sensors (EcoPro) · Field Cases

Site: Secondary battery plant (EcoPro)

Self-powered fire detection sensors and door open/close detection sensors were installed in a battery storage warehouse and plant, with all signals monitored on a PC.

1. Purpose

A power-free fire detection and door detection system using self-powered sensors.
The EcoPro CnG BRO secondary battery storage warehouse and plant lacked an adequate disaster prevention system.
A disaster and fire response measure was needed for the workplace and the battery storage warehouse.
A restricted-access management system was needed for key rooms such as the generator room, server room and electrical room.
Adding signal repeaters extends the transmission range of the self-powered sensors.

2. Benefits

Prevents fires and explosions caused by heat generation during battery storage.
Establishes a battery storage management plan in line with the Serious Accidents Punishment Act.
Early action before a fire breaks out prevents injury and property damage.
Access management for areas closed to unauthorized persons (generator, server and electrical rooms) and worker safety management through door open/close detection.
Can be extended to other secondary battery and battery manufacturers.

3. System configuration

Self-powered fire / door detection — Generates its own power when a fire or door movement is detected and sends an RF signal
Signal Monitor (receiver) — Shows a unique number for each signal; linked to the PC via RS485
PC monitoring — Fire / door detection monitoring and alarms for each sensor

4. Product specifications

Self-powered Fixed-temperature Fire Detection Sensor — SMA standard type (MWSF-100)

Size: W77 × D56 × H47.7 mm
Frequency: 920.700 MHz (FSK)
Antenna: Built-in antenna
Transmission range: Approx. 100 m (open field)
Power: Self-powered (no battery)
Dust / water protection: IP57 (water-resistant for everyday use)

Self-powered Door Open/Close Detection Sensor — Lever type (MWSD-130)

Frequency: 920.700 MHz (FSK)
Antenna: Built-in antenna
Transmission range: Approx. 100 m (open field)
Power: Self-powered (no battery)
Dust / water protection: IP57 (water-resistant for everyday use)

Signal Monitor (MWSM-700)

Size: W258 × D107 × H34 mm
Weight: 497 g
Frequency: 920.7 / 447.9 MHz (FSK)
Antenna: External antennas × 2
Transmission / reception range: Approx. 1 km (open field)
ID registration: Up to 999
Display: FND 5-digit, LED
External terminals: RS-485, warning light, speaker, power
Power: DC 12 V, 1 A adapter

5. Installation photos

▶ Door open/close detection sensors installed on the outer fence doors of the plant

▶ Repeaters installed inside the plant

Contact

MPIA Co., Ltd. · Tel. +82-32-666-8193 (8191) · Weekdays 09:00 – 18:00 (KST)
mpia@mpiatek.com · www.mpiatek.com