Heating Rods And Thermostats For Escalator Comb Plates
The escalator comb tooth heating rod and temperature controller, seemingly "small components" in the escalator system, bear a "big responsibility" in low-temperature environments
Dec 17,2025
一， Why we need to use heating rods and temperature controllers for comb plate?
Heating rods and temperature controllers are essential components for escalator comb plates primarily in outdoor or semi-outdoor settings with cold climates, such as subway entrances, railway stations, or open-air commercial complexes in northern regions. They become necessary when ambient temperatures drop to near or below freezing (typically ≤5℃), as snow, ice, or frost easily accumulates on comb plates. This buildup can jam the escalator, damage comb teeth, or cause safety hazards during operation.
二， What is function of heating rods and temperature controllers?
The roles of these components are distinct yet complementary. Heating rods (often resistance wires) are installed inside or beneath comb plates to generate controlled heat. Their key function is to melt ice and snow, preventing mechanical jamming and ensuring smooth engagement between comb plates and steps. Heating thermostats (equipped with temperature sensors) regulate the heating process automatically or manually. They activate heating when temperatures fall below a preset threshold (e.g., 5℃) and shut it off once the target temperature (e.g., 40℃) is reached, avoiding overheating and energy waste. Some systems also allow manual control for targeted heating of comb plates.
三， How to install for them?
Regarding installation, heating rods are embedded within the comb plate structure or mounted on adjacent channel steel to transfer heat efficiently. Thermostats and temperature sensors are typically fixed on the inner side of comb plates or in the upper machine room, connected to the heating circuit. While specific images aren’t included here, the setup aligns with standard designs: heating elements integrate with comb plate bodies, and control components are placed in accessible yet protected locations.
In summary, these components ensure reliable, safe operation of outdoor escalators in cold conditions by eliminating ice-related malfunctions.
The escalator comb tooth heating rod and temperature controller, seemingly "small components" in the escalator system, bear a "big responsibility" in low-temperature environments. They effectively solve the problem of ice and snow accumulation on outdoor escalator comb teeth through a collaborative working mode of "heating rod heat dissipation to melt ice and temperature intelligent adjustment". This not only ensures passenger travel safety but also extends the service life of escalators and reduces operation and maintenance costs.
With the continuous improvement of urban infrastructure in northern regions and the increasing safety requirements for special equipment, the application of heating rods and temperature controllers will become more widespread, and their technology will also develop towards "more energy-efficient, smarter, and more durable", providing more robust guarantees for the safe operation of escalators in cold regions.
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