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Electronic thermostat with safety actuation by resistor

A thermostat and resistance technology, applied in the field of electric storage water heaters

Inactive Publication Date: 2015-08-12
THERMOWATT SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] Other limitations of the thermostat described above are that, from a construction point of view, the thermostat is designed for use with storage water heaters and is not suitable for other heating devices

Method used

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  • Electronic thermostat with safety actuation by resistor
  • Electronic thermostat with safety actuation by resistor
  • Electronic thermostat with safety actuation by resistor

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Embodiment Construction

[0034] The features of the invention are now described using the reference numerals in the figures.

[0035] Please refer to figure 2 , reference numeral 1 generally designates a thermostat comprising, as in the prior art, a closed box 2 equipped with a base 2.1 and a cover 2.2.

[0036] On top of said base 2.1, specific fixtures 2.6 (or similar electrical connections) power one or more resistors (not shown) for heating the water contained in the storage tank.

[0037] Extending from said base 2.1 of said cartridge 2, a probe-type clamping element 3 is adapted to support one or more electronic sensors (not shown), such as negative temperature coefficient (NTC), positive temperature coefficient (PTC) or thermoelectric A dual thermistor, or other known type suitable for transmitting an electrical signal related to the detected temperature to an electronic processing device, can optionally also be combined with the described The detected temperature-related electrical signals ...

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PUM

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Abstract

The object of the present invention is a thermostat (1) suitable for both the function of thermoregulation and thermal protection. Thermal protection is performed by a bistable bimetallic element (4) activated through one or more resistors (6) seated on the electronic board (8) of said thermostat (1). Said one or more resistors (6) are electrically powered when enabled by the microprocessor of said electronic board (8) when one or more electronic temperature sensors sense the exceeding of the critical safety temperature.

Description

technical field [0001] The object of the present invention is to provide a safe temperature control device (referred to here as a thermal protector) for heaters, especially electric storage water heaters. [0002] Another object of the present invention is to provide a temperature regulating device (referred to here as a thermostat) comprising the thermal protector. Background technique [0003] As is well known, the purpose of the thermal protection function is to prevent the temperature from exceeding dangerous limits in the event of failure of the thermal regulation of the temperature of the controlled heater. [0004] Patent application AN2010A000131 filed by the applicant of this patent describes a thermostat comprising an electronic board with regulation function located in the same box as the motor actuator with safety function. [0005] Please refer to the content in the above-mentioned document AN2010A000131, and also refer to the applicant's previous patents EP065...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H61/02H01H37/00
CPCH01H61/02H01H37/34H01H37/002
Inventor C·卡皮塔尼利R·莫瑞希
Owner THERMOWATT SPA