WO2019045134A1 - Dispositif de gestion de chaleur résiduelle de four à micro-ondes - Google Patents

Dispositif de gestion de chaleur résiduelle de four à micro-ondes Download PDF

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Publication number
WO2019045134A1
WO2019045134A1 PCT/KR2017/009475 KR2017009475W WO2019045134A1 WO 2019045134 A1 WO2019045134 A1 WO 2019045134A1 KR 2017009475 W KR2017009475 W KR 2017009475W WO 2019045134 A1 WO2019045134 A1 WO 2019045134A1
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WO
WIPO (PCT)
Prior art keywords
temperature
residual heat
unit
electric range
top plate
Prior art date
Application number
PCT/KR2017/009475
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English (en)
Korean (ko)
Inventor
임기주
Original Assignee
주식회사 티앤비나노일렉
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 주식회사 티앤비나노일렉 filed Critical 주식회사 티앤비나노일렉
Priority to PCT/KR2017/009475 priority Critical patent/WO2019045134A1/fr
Publication of WO2019045134A1 publication Critical patent/WO2019045134A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to an apparatus for managing residual heat of an electric range for managing a safety accident such as an image due to residual heat remaining on a top plate after a predetermined food is cooked by operating an electric range.
  • an electric range is provided with an induction coil which generates a magnetic field as a high-frequency operating power is applied to the hearth.
  • An upper plate for placing a cooking utensil is provided on an upper portion of the induction coil.
  • the upper plate protects the induction coil from being damaged by the cooking utensil and uses a tempered glass such as ceramic glass to prevent the induction coil from being easily damaged by heat or external impact.
  • the bottom surface of the cooking utensil positioned above the upper plate includes a resistance component (iron component) for the magnetic field.
  • the resistance component to the magnetic field included in the bottom surface of the cooking utensil causes a vortex phenomenon according to the magnetic field and the bottom surface of the utensil is heated to about 500 to 600 ⁇ by induction heating according to the vortex phenomenon A predetermined food can be cooked.
  • the upper plate since there is almost no resistance component in accordance with the magnetic field, the upper plate does not generate a vortex according to the magnetic field and is not heated.
  • Korean Patent Laid-Open No. 10-2010-0006438 discloses a temperature sensor and a residual heat for detecting the temperature of the upper plate in an electric range And when the temperature detected by the temperature sensor is equal to or higher than a preset temperature, the light emitting unit is operated to warn that residual heat remains on the upper plate.
  • the above-mentioned conventional technique judges the temperature of the upper plate detected by the temperature sensor by using a control unit such as an expensive microcomputer and generates a lighting signal when it is judged that residual heat remains in the upper plate, There is a problem that the production cost of the electric range is increased by using an expensive control unit.
  • a problem to be solved by the present invention is to provide a residual heat management apparatus for an electric range that alerts that a safety accident such as an image may occur by displaying an alarm of residual heat when the residual heat of the upper plate is higher than a preset reference temperature after operating the electric range .
  • Another object of the present invention is to provide an apparatus for managing the residual heat of an electric oven which can rapidly cool the residual heat of the upper plate after operating the electric range.
  • An apparatus for managing residual heat of an electric range includes a temperature detection unit for generating a voltage according to a temperature of an upper plate of an electric range by a temperature sensor and a temperature detection unit for determining a temperature of the upper plate by comparing the temperature detection unit with a reference voltage of a preset reference temperature And a cooling fan driving unit for driving the cooling fan for cooling the upper plate of the electric range when the temperature determining unit determines that the detected temperature of the temperature detecting unit is higher than the predetermined reference temperature have.
  • the temperature judging unit judges that the detected temperature of the temperature detecting unit is higher than the preset reference temperature, the light emitting diode is turned on, And a residual heat alarm display unit.
  • the apparatus for managing residual heat of the electric range of the present invention can warn that there is residual heat in the top plate of the electric range by using relatively inexpensive parts without using an expensive control unit such as a microcomputer or the like.
  • the residual heat when there is a residual heat of a set temperature or more in the upper plate, the residual heat can be removed at a high speed by driving the cooling fan.
  • FIG. 1 is a block diagram of a residual heat management apparatus according to the present invention.
  • FIG. 2 is a circuit diagram of a residual heat management apparatus according to an embodiment of the present invention.
  • FIG. 1 is a block diagram of a residual heat management apparatus of the present invention
  • FIG. 2 is an exemplary circuit diagram of a residual heat management apparatus of the present invention.
  • the apparatus for managing residual heat according to the present invention includes a temperature detecting unit 100, a temperature determining unit 110, a residual heat alarm displaying unit 120, and a top plate cooling unit 130 .
  • the temperature detector 100 may be configured to generate a temperature detection voltage having a level inversely proportional to the temperature of the top plate by connecting a resistor R1 and a temperature sensor TS to the first power terminal Vcc1 in series.
  • the first power terminal Vcc1 is supplied with the operating power of 5V.
  • the temperature sensor TS is attached to a top plate (not shown in the figure) at the center of a furnace provided in the electric range, for example, in a usual manner, and the resistance value varies depending on the temperature of the top plate.
  • the temperature sensor TS is attached to the top plate to detect the temperature of the top plate, and the resistance value decreases when the temperature of the top plate is high, and the resistance value gradually increases as the temperature increases.
  • the temperature determination unit 110 compares the temperature detection voltage of the temperature detection unit 100 with a predetermined reference voltage to determine whether the residual heat temperature of the upper plate is equal to or higher than a predetermined reference temperature.
  • the reference voltage is set to a voltage of a level according to a reference temperature at which a safety accident such as a user is burned by the residual heat of the top plate.
  • the temperature determination unit 110 uses a comparator, for example, It is determined whether the residual heat temperature of the upper plate is equal to or higher than a preset reference temperature.
  • the residual heat alarm display unit 120 is connected to an output terminal of the temperature judging unit 110 through a resistor R2 and a light emitting diode LED which are connected in series to a first power supply terminal Vcc1, When there is a residual heat, it indicates that the residual heat remains and warns it.
  • the light emitting diodes output red light
  • a plurality of light emitting diodes are provided on the periphery of a culvert.
  • the upper plate cooling section 130 rapidly cools the upper plate having the residual heat and the first power terminal Vcc1 is connected to the output terminal of the temperature determination section 110 and the output terminal of the transistor TR
  • the emitter of the transistor TR is connected to the second power supply terminal Vcc2 and the collector of the transistor TR is connected to the cooling fan F.
  • the operating power of 12 V which is the rated operating voltage of the cooling fan F, is applied to the second power supply terminal Vcc2.
  • the residual heat management apparatus according to the present invention having such a configuration has a configuration in which, for example, 5 V and 12 V operation power is applied to the first power supply terminal Vcc 1 and the second power supply terminal Vcc 2 when the electric range is stopped for operation do.
  • the temperature sensor TS of the temperature detector 100 has a resistance according to the temperature of the residual heat remaining on the upper plate, and the resistance of the temperature sensor TS is connected to the first power terminal And the generated temperature detection voltage is applied to the plus input terminal (+) of the comparator of the temperature judging unit 110. The temperature detection voltage is applied to the plus input terminal (+) of the comparator.
  • a reference voltage of a level corresponding to a reference temperature at which a safety accident such as a user wearing an image due to the residual heat of the top plate does not occur is applied to the minus input terminal (-) of the comparator of the temperature judging unit 110.
  • the temperature determination unit 110 outputs a low potential of logic 0 when the temperature of the top plate is equal to or higher than a preset reference temperature and outputs a low potential of logic 0 when the temperature of the top plate is lower than a predetermined reference temperature, And outputs the above.
  • the light emitting diode (LED) is turned on to generate, for example, red light.
  • a plurality of light emitting diodes are installed at the periphery of the pit, and the pit is displayed in red to warn of the risk of a safety accident due to the heat of the corresponding pit.
  • the operation power of the first power supply terminal Vcc1 is set such that the operating power of the first power supply terminal Vcc1 is lowered to the output of the temperature judging unit 110 through the resistor R3 of the upper plate cooling unit 130, Terminal.
  • the bias voltage of the transistor TR is applied to the base of the transistor TR so that the transistor TR is turned on and the operating power of the second power supply terminal Vcc2 is supplied to the cooling fan F through the transistor TR And the cooling fan F is driven to cool the top plate of the electric range.
  • the temperature of the upper plate is lower than the reference temperature (L) in a state in which the light emitting diode (LED) is turned on to warn the risk of occurrence of a safety accident due to residual heat of the firebox,
  • the temperature detection voltage outputted from the temperature detector 100 becomes higher than the reference voltage.
  • the temperature determination unit 110 outputs the high potential of logic 1 as opposed to the above.
  • the temperature judging unit 110 outputs the high potential of logic 1, the light emitting diodes (LEDs) of the residual heat display unit 120 are not turned on to inform the upper panel that there is no residual heat.
  • LEDs light emitting diodes
  • the transistor TR of the upper plate cooling unit 130 is turned off as the temperature determination unit 110 outputs the high potential of the logic 1 so that the cooling fan F does not operate, The operation of cooling the upper plate is terminated.
  • the present invention relates to an apparatus for managing residual heat of an electric furnace for managing a safety accident such as an image due to a residual heat remaining on a top plate after a predetermined food is cooked by operating an electric range, In this.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

La présente invention concerne un dispositif de gestion de la chaleur résiduelle d'un four à micro-ondes en vue de ne pas provoquer d'accidents tels que des brûlures causées par la chaleur résiduelle restant sur une plaque supérieure après la cuisson des aliments au moyen du four à micro-ondes, le dispositif comprenant : une unité de détection de la température, en tant que capteur de température, destinée à produire une tension en fonction de la température d'une plaque supérieure d'un four à micro-ondes ; une unité de détermination de la température destinée à déterminer la température de la plaque supérieure par comparaison d'une tension de l'unité de détection de la température avec une tension de référence d'une température de référence prédéfinie ; et une unité d'entraînement d'un ventilateur de refroidissement destinée à entraîner un ventilateur de refroidissement servant à refroidir la plaque supérieure du four à micro-ondes lorsque l'unité de détermination de la température détermine que la température détectée par l'unité de détection de la température est supérieure à la température de référence prédéfinie.
PCT/KR2017/009475 2017-08-30 2017-08-30 Dispositif de gestion de chaleur résiduelle de four à micro-ondes WO2019045134A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/009475 WO2019045134A1 (fr) 2017-08-30 2017-08-30 Dispositif de gestion de chaleur résiduelle de four à micro-ondes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/009475 WO2019045134A1 (fr) 2017-08-30 2017-08-30 Dispositif de gestion de chaleur résiduelle de four à micro-ondes

Publications (1)

Publication Number Publication Date
WO2019045134A1 true WO2019045134A1 (fr) 2019-03-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662391B1 (ko) * 2005-02-14 2007-01-02 엘지전자 주식회사 전기레인지의 자가 진단
KR20100006438A (ko) * 2008-07-09 2010-01-19 김광철 전기레인지의 작동 후 남아있는 잔열 표시장치
KR101632742B1 (ko) * 2014-05-28 2016-06-22 정원식 인덕션 조리기
KR101642098B1 (ko) * 2014-12-23 2016-07-22 주식회사 엔씨엠 전기레인지의 잔열 관리장치
KR101643131B1 (ko) * 2015-01-02 2016-07-27 한명수 안전 성능이 향상된 인덕션 수유식 튀김장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662391B1 (ko) * 2005-02-14 2007-01-02 엘지전자 주식회사 전기레인지의 자가 진단
KR20100006438A (ko) * 2008-07-09 2010-01-19 김광철 전기레인지의 작동 후 남아있는 잔열 표시장치
KR101632742B1 (ko) * 2014-05-28 2016-06-22 정원식 인덕션 조리기
KR101642098B1 (ko) * 2014-12-23 2016-07-22 주식회사 엔씨엠 전기레인지의 잔열 관리장치
KR101643131B1 (ko) * 2015-01-02 2016-07-27 한명수 안전 성능이 향상된 인덕션 수유식 튀김장치

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