GB9411147D0 - Control circuit for a load - Google Patents

Control circuit for a load

Info

Publication number
GB9411147D0
GB9411147D0 GB9411147A GB9411147A GB9411147D0 GB 9411147 D0 GB9411147 D0 GB 9411147D0 GB 9411147 A GB9411147 A GB 9411147A GB 9411147 A GB9411147 A GB 9411147A GB 9411147 D0 GB9411147 D0 GB 9411147D0
Authority
GB
United Kingdom
Prior art keywords
load
control circuit
circuit
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9411147A
Other versions
GB2290152A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NOVOMEC Ltd
Original Assignee
NOVOMEC Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NOVOMEC Ltd filed Critical NOVOMEC Ltd
Priority to GB9411147A priority Critical patent/GB2290152A/en
Publication of GB9411147D0 publication Critical patent/GB9411147D0/en
Publication of GB2290152A publication Critical patent/GB2290152A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/128—Preventing overheating
    • F24H15/132—Preventing the operation of water heaters with low water levels, e.g. dry-firing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/223—Temperature of the water in the water storage tank
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/246—Water level
    • F24H15/248—Water level of water storage tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/407—Control of fluid heaters characterised by the type of controllers using electrical switching, e.g. TRIAC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Fluid Mechanics (AREA)
  • Environmental Sciences (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Control Of Temperature (AREA)
GB9411147A 1994-06-03 1994-06-03 Control circuit for a load Withdrawn GB2290152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9411147A GB2290152A (en) 1994-06-03 1994-06-03 Control circuit for a load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9411147A GB2290152A (en) 1994-06-03 1994-06-03 Control circuit for a load

Publications (2)

Publication Number Publication Date
GB9411147D0 true GB9411147D0 (en) 1994-07-27
GB2290152A GB2290152A (en) 1995-12-13

Family

ID=10756149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9411147A Withdrawn GB2290152A (en) 1994-06-03 1994-06-03 Control circuit for a load

Country Status (1)

Country Link
GB (1) GB2290152A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000329403A (en) * 1999-05-19 2000-11-30 Matsushita Electric Ind Co Ltd Hot/cold water supply device
GB0914758D0 (en) * 2009-08-24 2009-09-30 Williams Kevin M A calorifier
CZ23005U1 (en) * 2011-06-29 2011-12-05 Vav Elektronic, S.R.O. Electronic temperature controller
US10925805B2 (en) * 2018-07-11 2021-02-23 Bullfrog International, L.C. Heating system for spa
US10934729B2 (en) 2019-02-27 2021-03-02 Bullfrog International, Lc Spa cover with sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7904801A (en) * 1979-06-19 1980-12-23 Veg Gasinstituut Nv ELECTRICAL CONTROL DEVICE FOR A CENTRAL HEATING BOILER.
US4455477A (en) * 1980-04-16 1984-06-19 Zip Heaters (Aust) Pty. Limited Electric boiling water heater
US4978833A (en) * 1989-01-27 1990-12-18 Bunn-O-Matic Corporation Hot water dispenser having improved water temperature control system
GB2232784B (en) * 1989-05-04 1993-09-01 Hussmann Corp Refrigeration system with fiber optics
GB2258295A (en) * 1991-07-30 1993-02-03 Moorwood Vulcan Ltd Improvements in boilers
GB9117152D0 (en) * 1991-08-07 1991-09-25 Heatrae Sadia Heating Ltd Heater for liquid

Also Published As

Publication number Publication date
GB2290152A (en) 1995-12-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)