cordless kitchen appliances · some examples of early cordless kitchen appliances. rather than a...
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Cordless Kitchen Appliances2400 Watts wireless power in your kitchen
Hans KablauChair Kitchen Work Group
Taipei, September 1st, 2017
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a small kitchen…
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Sue has a small kitchen. In stead of a stove, she has hidden transmitters.
She uses a cordless rice cooker and food processor and still has enough room.
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4 September 2017 Confidential 4
Sue uses a smart wok and smart sauce pan to prepare the meal.
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4 September 2017 Confidential 5
Finally, Sue uses a cordless kettle to prepare tea.
Note that the cordless appliances are cleaned in the sink.
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The Kitchen Work Group
• Based on an initiative by Haier and Philips
• Charter:
– The Kitchen Work Group will develop specifications of an interface between cordless kitchen appliances and inductive power sources for powering these appliances.
– The desired features of these specifications are described in the agreed commercial requirements (updated June 2015)
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Some examples of early cordless kitchen appliances. Rather than a conventional wall power socket, these appliances need an inductive power source to be powered.
Courtesy of Fulton Innovation
Courtesy of Fulton Innovation
Wattage: up to 1.5 or 2.4 kW!
Cordless kitchen appliances
Smart pan
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Inductive power sources (transmitters) may be stand alone or integrated in the kitchen counter tops or dining tables.
Transmitters could combine the Wireless Power transfer to an appliance with conventional Inductive Heating.
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Inductive Power Sources
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Inductive Power Transfer (IPT)
Power may be transferred with induction using a
primary coil (in the transmitter) and a secondary
coil (in the appliance). This is the same as Qi.
Induction Heating (IH)
Power (heat) may be transferred directly into the
metal base of an appliance by induction heating.
This method may be cheaper and more efficient
for cordless heating appliances such as kettles
and smart pans.
L1
L2
D
D2
z
B
IH
Principle of Operation
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1. Avoid brand lock in
– Consumers can buy whatever appliance brand they like
– Kitchen installer can choose from multiple suppliers
Why do we need a standard?
2. Consumers want interoperability
– Appliances can be moved around in the kitchen or in the house.
– Appliances still work when moved to another house
– A logo will indicate interoperability
3. Create a market for inductive power sources and components
– Consumers will profit from the economies of scale
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What Benefits will it bring to consumers?
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Convenient & Clean
• Tidy counter top, tidy kitchen: looks great!
• Kitchen countertop easy to clean.
• Appliances are easy to clean Appliances may be sealed and could be rinsed or put in the dishwasher!
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Space efficient
Appliances are easy to store
No need for a space consuming stove in a small kitchens
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Smart features
• Integrates a high speed, short range advanced communication channel
• Place the appliance and automatically:1. Appliance is powered2. Advanced communication is started
• Enable smart features such as:– Exact control of cooking times– Exact temperature control– Recipe download and programming– Control on appliance, cooktop, tabletop or smart phone/tablet
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counter top
cordless kitchen device
main inverter
internet/cloud
mobile device
embedded data channel UI
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Functional models
Fulton Innovation (2009)
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Functional models
Haier (2013)
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Functional models
Haier (2013)
commercial
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Functional models
Philips (2014)
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Functional models
LG (2015)
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Functional models
Philips (2015)
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Functional models
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Philips (2016)
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Functional models
Haier (2017)
2nd generation
4 September 2017 23WPC trade show, Shenzhen May 12th, 2017
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Functional models
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Philips (2017)With smart features