Planar heating device and seat with same
First Claim
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1. A planar heating device for use under a face cover of a seat, the seat including non-contact user areas, the planar heating device comprising:
- a first warming heater and a second warming heater connected in parallel with an electric power source;
a thermistor;
a thermostat connected in series with the second warming heater;
a heating part for heating the thermistor and the thermostat; and
a controller for controlling temperatures of the first warming heater and the second warming heater in accordance with temperature information from the thermistor,wherein the thermistor, the heating part, and the thermostat are configured to be disposed in the non-contact user areas of the seat, andwherein the controller controls the temperature of the first warming heater in accordance with the temperature information from the thermistor after the thermostat operates to halt heating by the second warming heater.
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Abstract
A planar heating device and a seat equipped with the device include: first and second warming heaters connected in parallel with electric power source; thermistor; thermostat connected in series with second warming heater; a heating part, i.e., first warming heater, that heats thermistor and thermostat; and controller to control temperatures of first and second warming heaters in accordance with temperature information from thermistor. For a period until thermostat turns off, quick-heating property is improved by energizing first and second warming heaters.
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Citations
9 Claims
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1. A planar heating device for use under a face cover of a seat, the seat including non-contact user areas, the planar heating device comprising:
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a first warming heater and a second warming heater connected in parallel with an electric power source; a thermistor; a thermostat connected in series with the second warming heater; a heating part for heating the thermistor and the thermostat; and a controller for controlling temperatures of the first warming heater and the second warming heater in accordance with temperature information from the thermistor, wherein the thermistor, the heating part, and the thermostat are configured to be disposed in the non-contact user areas of the seat, and wherein the controller controls the temperature of the first warming heater in accordance with the temperature information from the thermistor after the thermostat operates to halt heating by the second warming heater. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification