ES473378A1 - Flat-Iron with an Automatic Control System - Google Patents

Flat-Iron with an Automatic Control System

Info

Publication number
ES473378A1
ES473378A1 ES473378A ES473378A ES473378A1 ES 473378 A1 ES473378 A1 ES 473378A1 ES 473378 A ES473378 A ES 473378A ES 473378 A ES473378 A ES 473378A ES 473378 A1 ES473378 A1 ES 473378A1
Authority
ES
Spain
Prior art keywords
iron
switch
flat
control system
gates
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.)
Expired
Application number
ES473378A
Other languages
Spanish (es)
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.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Publication of ES473378A1 publication Critical patent/ES473378A1/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/26—Temperature control or indicating arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/32—Automatic controllers electric with inputs from more than one sensing element; with outputs to more than one correcting element
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
    • G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Textile Engineering (AREA)
  • Remote Sensing (AREA)
  • Irons (AREA)
  • Control Of Temperature (AREA)

Abstract

In a flat-iron having two heating elements 3 and 4 individually controlled by zero-voltage switches 6 and 7, two temperature sensors 18 and 19 are associated one with each element, and the respective switch 6 or 7 is controlled dependent upon the sensed temperature. A temperature error signal is transferred by each of two gates (12 or 13) from a respective comparator (24 or 25) to the relevant switch (6 or 7), each comparator comparing the voltage drop across the relevant resistance (18 or 19) with a reference voltage. The gates 12 and 13 are enabled only when a signal is received from a common pulse generator 38. An acceleration-sensing switch 40 detects whether or not the iron is moving and inhibits switch-on if it is not.
ES473378A 1977-11-11 1978-09-15 Flat-Iron with an Automatic Control System Expired ES473378A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772750546 DE2750546A1 (en) 1977-11-11 1977-11-11 IRON WITH ONE CONTROL CIRCUIT FOR THE SIMULTANEOUS OPERATION OF AT LEAST TWO CONTROL CIRCUITS

Publications (1)

Publication Number Publication Date
ES473378A1 true ES473378A1 (en) 1979-04-16

Family

ID=6023562

Family Applications (1)

Application Number Title Priority Date Filing Date
ES473378A Expired ES473378A1 (en) 1977-11-11 1978-09-15 Flat-Iron with an Automatic Control System

Country Status (5)

Country Link
DE (1) DE2750546A1 (en)
ES (1) ES473378A1 (en)
FR (1) FR2408680A1 (en)
GB (1) GB2009971A (en)
NL (1) NL7811155A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003520A1 (en) * 1981-04-07 1982-10-14 Robert C Franklin Appliance non-use detection safety power shut-off system
FR2540148B1 (en) * 1983-02-02 1986-03-21 Seb Sa ELECTRONIC SECURITY DEVICE FOR ELECTRIC IRON
US4686352B1 (en) * 1984-04-27 1993-12-14 Sunbeam Corporation Electronic pressing iron
DE4325453A1 (en) * 1993-07-29 1995-02-02 Philips Patentverwaltung Electric iron
WO1996002029A1 (en) * 1994-07-07 1996-01-25 Honeywell Inc. Trim heater controller

Also Published As

Publication number Publication date
GB2009971A (en) 1979-06-20
DE2750546A1 (en) 1979-05-17
FR2408680A1 (en) 1979-06-08
NL7811155A (en) 1979-05-15

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