High Temperature Induction Heating Coil Panel For Commercial Cooking Equipment

This induction heating coil is a flat spiral work coil assembly designed as the
energy transfer element of an induction heating system. Alternating current
from the driver board is passed through the coil, which generates a rapidly
alternating magnetic field. That field induces eddy currents directly inside
the ferrous workpiece or cookware placed above it, so the heat is created in
the load itself rather than transferred from a hot surface. The result is fast
heat up, high energy efficiency and no exposed heating element.

The coil is wound from multi strand copper Litz wire instead of solid magnet
wire. At the switching frequencies used in induction heating, solid wire
suffers heavily from skin effect and proximity effect, which raises AC
resistance and makes the coil run hot. Litz construction splits the conductor
into many individually insulated strands, keeping AC resistance low and
allowing the coil to carry high current continuously without thermal runaway.

Radial ferrite bars are mounted on the underside of the coil. They concentrate
the magnetic flux upward toward the load and shield the electronics beneath the
coil, which improves coupling efficiency and reduces stray field emission. The
assembly is completed with a heat resistant mica insulation board, a support
frame, and pre terminated lead wires with ring terminals for direct bolt down
connection to the power board.

The product is built to order. Coil diameter, inductance, turns, wire gauge,
lead length and terminal type are all defined against the customer drawing or
the electrical requirement of the customer driver circuit.

Note: diameter, power, inductance and turn count are defined per application.
Approval samples and drawings are issued for confirmation before mass
production.

• Industrial induction heating modules and heating stations
• Commercial induction cooktops, hobs and range equipment for professional
  kitchens
• Induction warming and holding equipment for food service lines
• Automated production equipment requiring localised, contactless heating
• Sealing, preheating and curing stations in light manufacturing
• Laboratory and test equipment requiring rapid, controllable heating
• OEM induction appliance platforms where the coil is matched to a specific
  driver board

Because the coil is defined by inductance and power rather than by a fixed part
number, it can be re engineered to match an existing driver board, which allows
customers to second source a coil without redesigning their electronics.

• 26 years of focused experience. Established in 2000, specialised in magnetic
  components and power solutions for industrial and power electronics
  applications.
• Own manufacturing base. A 10,000 square metre self owned factory with 8
  complete production lines, giving direct control over capacity and delivery.
• Winding expertise. Coil winding, Litz handling and magnetic design are core
  in house processes, supported by a 20 person R&D team and a 20 person quality
  control team.
• Certified system. ISO 9001 quality management and ISO 14001 environmental
  management, with RoHS and REACH compliance across the product range.
• Proven export record. Annual export value of 42 million USD, serving North
  America, Northern Europe, South America and Southeast Asia.

• Lower loss at high frequency. Litz construction directly attacks the main
  loss mechanism in induction coils, which improves system efficiency and
  extends component life.
• Better flux coupling. Radial ferrite placement puts more of the generated
  field into the workpiece instead of into the surrounding structure.
• Consistent inductance batch to batch. Controlled winding tooling keeps the
  coil inside the tolerance window your resonant driver needs, so field failure
  and tuning rework are reduced.
• Designed around your driver. We work from your electrical requirement, not
  from a fixed catalogue, so the coil matches the board you already have.
• Assembly ready. Pre terminated leads and a finished support frame reduce
  labour on the customer production line.