Method for managing the heating of water in a tank of a water heater
AssigneeWinslim
InventorJean-Yves Gaspard
Life of this patent
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Abstract
The invention relates to a method for managing the heating of water in a tank of a water heater which comprises a device for electrically heating the water in the tank, characterized in that it comprises, when a water heating phase is actuated: activation of heating by the heating device, determination of a variation of the temperature in the tank over time and determination of at least one water filling state in the tank according to the variation over time.
Claims21
A method for managing heating of water in a tank of a water heater which comprises a heating device for electrically heating the water in the tank, wherein said method, when a water heating phase is actuated, comprises the steps of:
- activating heating by the heating device, the heating being performed at a first level of electrical power;
- determining a variation of a temperature of the water in the tank over time during a predefined time interval by determining a first temperature of the water in the tank, waiting a predefined time and determining a second temperature of the water in the tank, the variation of the temperature of the water in the tank being a function of the first temperature of the water in the tank and the second temperature of the water in the tank;
- determining at least one water filling state in the tank according to the variation of the temperature of the water in the tank over time, comprising:
- determining an insufficient water filling state of the tank when a positive variation over time greater than a predefined value D3 is detected, or
- determining a sufficient water filling state when a positive variation over time less than a predefined value D1 is detected;
- if the positive variation over time greater than the predefined value D3 is detected, shutting down the heating following a determination of the insufficient water filling state;
- and
- if the positive variation over time less than the predefined value D1 is detected, performing further heating by the heating device, the further heating being performed at a second level of electrical power that is greater than the first level of electrical power.
A water heater including a tank suitable for holding water and a system for heating water of the tank, said system comprising a heating device for electrically heating the water and a managing device for managing heating configured to actuate activation and deactivation of the heating device, wherein:
- the tank is delimited by a peripheral jacket extending along a first longitudinal direction, by a wall of a leak-tight sheath situated in an internal volume of the peripheral jacket and extended along a second longitudinal direction and by a wall of a secondary leak-tight sheath situated in the internal volume of the peripheral jacket and extended along a third longitudinal direction, the second longitudinal direction being parallel to the first longitudinal direction and the third longitudinal direction being parallel to the second longitudinal direction;
- the heating device is at least partially embedded in the leak-tight sheath and includes at least one inductor and at least one load, the at least one inductor being configured to produce an induced current in the at least one load, the at least one load being formed at least partially by the wall of the leak-tight sheath;
- and
- the managing device comprises at least one temperature measurement sensor suitable for measuring a temperature in the tank and is at least partially embedded in the secondary leak-tight sheath.
Dependencies are inferred from the claim text.