Wireless Charging

Wireless Charging Specifications:

• Charging Type: Inductive
• Input Voltage: DC5V/2A
• Output Voltage:DC5V/1A
• Transmit Power: 5W
• Transmit Distance: 6mm
• Outside Dimension: 87*75*16mm
• Product Weight: 70G
• Product Material: Zinc Alloy

Requirement:

Self-heating cup to keep coffee / tea warm at 65C for the 45 minute needed to comfortably drink the coffee / tea

Problem:

1. Hot coffee or tea gets cold very quickly in cup requiring frequent refills.
2. Reheating the coffee or tea in cup reduces taste.
3. Reheating not user friendly and cumbersome.
4. Fast cooling (< 15 minutes) limits drinking pleasure in social / office environment.
5. Heating plates require beverage drinker to stay in place.
6. Heating plates make bottom part hot white top drinking area stays lukewarm.
7. Heating plate requires and easy use power outlet – difficult in office or on road.
8. Heating plates hot touch – not kid friendly.

Solution:

Temperature control cup with rechargeable battery requiring limited charging – design for 07+ servings keeping coffee / tea warm at 150F for 45 minutes each serving.

• 14oz and 16oz coffee or hot beverage cup with integrated wireless heating.
• Maintain temperature between 145F (63oC) to 155F (68oC) for 45 minutes after pouring.
• Assume starting temperature at 180F +/- 5F (80C – 85C).
• Nano heater designed for dynamic heating.
• Cup interior dimensions should be 85 mm ; external height < 130 mm with rounded lip.
• Snap fit insulated lid with sipping port.
• Double lined with 1.5 mm inner and outer lining and 1.5 mm air gap for insulation.
• Stainless steel sleeve height 40 mm only.
• ON / OFF switch with lighted blue ring at base when ON.
• 30 minute timer to turn OFF Nano Heater to eliminate battery drain.
• RED flashing indicator when battery level below 25% of full power.
• Charging time < 90 minutes through USB wall socket c