Thermalpas field deployment (Taiwan) · Transportation
Taipei MRT: bearing wear found at four stations within three months
Tunnel-fan bearing monitoring with reusable Velcro-mount sensors, starting at Zhongshan Station.
- 4Stations with bearing wear (3 mo)
- VelcroNo-drill, reusable mount
- 24/7Tunnel-fan coverage
The problem
Taipei MRT's Zhongshan station has hundreds of tunnel fans running 24/7 to keep platform air moving and to evacuate smoke in an emergency. The fans are rarely inspected, and many need only temporary monitoring. When a fan bearing overheats and the fan stops, on a hot summer afternoon the platform air can degrade within an hour.
What was installed
A reusable Thermalpas Velcro-mount thermometer was wrapped around each fan motor housing — no drilling, no internal wiring — with portable infrared as a cross-check. Fan temperatures were monitored and the maintenance team was paged if any fan trended abnormal. The service was offered as a temporary thermal assessment on an equipment-loan basis, billed monthly.
The outcome
TRTC used the temporary service to assess each station and found bearing degradation at four stations within three months; scheduled repairs followed. Its predictive-maintenance schedule now draws on the data, so fans are inspected when they need it rather than on a fixed calendar.
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