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System, method, and apparatus for heating

a technology of system and method, applied in the field of system, method and apparatus for heating, can solve the problems of overestimation of the duration of the heating process, process to be completed, and use more energy than necessary, so as to improve the accuracy of the computed warm up time, avoid wasting energy, and minimize the running cost

Inactive Publication Date: 2014-10-30
OXFORD UNIV INNOVATION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about a new way to control the heating of liquid in a container. Unlike traditional controllers, this new system allows the user to specify when the liquid needs to be heated, instead of setting specific on and off times. This is more convenient for the user and allows the heating process to be completed to a specific temperature, without wasting energy by heating the entire volume of liquid. The new system also uses information about the bacterial population in the liquid to maintain safe levels. This means that only small volumes of liquid need to be heated, minimizing energy loss and ensuring water quality. Overall, this new method improves energy efficiency and maintains safety standards for heating liquids in containers.

Problems solved by technology

Users are likely to overestimate the duration of the heating process, causing the heating process to be completed before the hot water is required.
This results in using more energy than necessary to fulfil the user's needs.

Method used

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  • System, method, and apparatus for heating
  • System, method, and apparatus for heating
  • System, method, and apparatus for heating

Examples

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Embodiment Construction

[0227]In reference to FIG. 1, a controller 100 monitors heating 122 of a heating element 106, for example by measuring the current flowing through an immersion element. This allows the controller 100 to detect when a vessel 104, typically containing hot water, has reached the desired temperature. An algorithm embedded within the immersion controller learns the time required for the vessel to reach the desired temperature, for example by inspection of the current waveform. The user of the controller programs, via a user interface 102, the required times 110 at which the vessel's contents are to be at some desired temperature. The user may input further variables, including volume 112 of water desired and information regarding energy tariffs 114. An algorithm embedded in the controller 100 calculates scheduling of the immersion element. This allows the controller 100 to control 118 heating, in particular initiating and terminating heating, for example by control of the power supply to...

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PUM

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Abstract

The present invention relates to a heating element controller 100 for a liquid heating system arranged to determine the duty cycle of a heating element 106 and modulate the timepoint of heating initiation by the heating element 106 in dependence upon an expected duration of completing the heating process and upon a required time at which the heating process is to be completed, wherein said expected duration is determined in dependence on said duty cycle. The invention extends to a heating element controller comprising means for computing a fouling parameter and means for controlling the operation of the heating element in dependence upon the fouling parameter. The invention extends to a system for heating liquids comprising at least one heating element associated with a liquid vessel, and preferably the heating element is moveable in the vessel, or alternatively the system for heating liquids may comprise a plurality of heating elements.

Description

[0001]The present invention relates to a heating element controller for a liquid heating system. The invention further relates to a system for heating liquids. Another aspect of the invention relates to a plume entrainment unit for liquid heating systems. The invention further relates to a method of controlling a heating element for a liquid heating system. Another aspect of the invention relates to a device for heating liquids in a heating vessel.BACKGROUND OF THE INVENTION[0002]Domestic hot water (DHW) systems are typically serviced entirely or are supplemented by an electric immersion element in a hot water tank. The element comprises of a resistive wire which dissipates heat as current flows through it. Usually, an integrated thermostat is fitted to the unit. The thermostat allows the user to set the temperature (typically 50 to 60° C.). Whilst this temperature is too high for direct use in most DHW applications, (i.e. the hot water has to be mixed with cold to deliver a comfort...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24H9/20F24H9/18
CPCF24H9/1818F24H9/2021F24H9/0015G05D23/1923G05D23/1951Y04S10/30Y04S20/244Y04S40/126F24H1/182F24H1/202F24D17/0073F24D19/1063F24D2200/08H02J2310/64F24D2240/26H02J13/00002H02J13/00024H02J13/00026Y02B70/30Y02B90/20Y02E60/00Y04S50/10Y04S20/221Y04S20/222Y02B70/3225G01K1/143F24H15/288F24H15/20F24H15/277F24H15/144F24H15/215F24H15/281F24H15/225F24H15/486F24H15/421F24H15/37F24H15/104F24H15/156F24H15/269F24H15/25F24H15/14F24H15/219F24H15/172F24H15/395F24H15/128F24H9/28F24H15/174F24H15/254Y02B30/70
Inventor ARMSTRONG, PETER MICHAEL
Owner OXFORD UNIV INNOVATION LTD
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