EP3962239B1 - Induktionsherd mit verbesserter kühlleistung - Google Patents

Induktionsherd mit verbesserter kühlleistung Download PDF

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Publication number
EP3962239B1
EP3962239B1 EP21187854.1A EP21187854A EP3962239B1 EP 3962239 B1 EP3962239 B1 EP 3962239B1 EP 21187854 A EP21187854 A EP 21187854A EP 3962239 B1 EP3962239 B1 EP 3962239B1
Authority
EP
European Patent Office
Prior art keywords
air
induction heating
heating cooker
guiding member
fan
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.)
Active
Application number
EP21187854.1A
Other languages
English (en)
French (fr)
Other versions
EP3962239A1 (de
Inventor
Mustafa ONAL
Ilhan OFLUGIL
Oguz TAN
Engin BEYTER
Ahmet Kurt
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3962239A1 publication Critical patent/EP3962239A1/de
Application granted granted Critical
Publication of EP3962239B1 publication Critical patent/EP3962239B1/de
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements

Definitions

  • the present invention relates to an induction heating cooker having improved air circulation and cooling performance.
  • induction heating cookers are household appliances which are operated by means of electromagnets generating magnetic fields for domestic or industrial purposes. As a basic working principle, said appliances turn into an open electric circuit when there is no metal pot thereon, and a completed electric circuit when there is. Thus, a magnetic field is generated and heating is provided with the energy transferred to the body of the metal pot. By means of the the energy transferred to the metal pot by changing the strength of the magnetic field generated, the amount of heat can also be adjusted.
  • the power switching which provides the adjustment of the power and staging of the cooker is performed by means of power transistors called IGBT.
  • IGBT power transistors
  • the IGBT heats up due to the switching process during the adjustment of the desired level in the cooker, and the temperature thereof rises as the operating time increases.
  • the cooker is automatically turned off upon reaching a certain temperature (usually 90°C), and further heating of the component is prevented.
  • various cooling systems are used to prevent the heating of the IGBT component.
  • the aim of the present invention is the realization of an induction heating cooker with improved performance by providing an efficient air cooling on the power switching components.
  • the induction heating cooker realized in order to attain the aim of the present invention, explicated in the claims, comprises a body; at least one circuit board which is disposed in the body; at least one IGBT component which is disposed in the body and which provides power switching; at least one heat sink which contacts the IGBT component so as to cool the same; at least one fan which is disposed in the body and which provides the cooling of the circuit board and the IGBT component by air; and an air guiding member which is positioned in the flow of the air provided by the fan and which guides the air.
  • the induction heating cooker further comprises an air guiding member having groove-shaped air ducts, which is placed on the heat sink and the IGBT component so as to allow the cooling air from the fan to be distributed more evenly to the IGBT components. It is aimed that the air molecules pass through the heat sink surface by means of the air ducts in accordance with the flow direction of the air coming out of the fan so as to be guided onto the IGBT components.
  • the induction heating cooker comprises at least one first slit which is provided between the air guiding member and the air outlet of the fan so as to guide the air to the circuit boards on the right and left sides of the body, and at least one second slit which is provided on the body and which enables the air passing over the circuit boards to continue to circulate.
  • the induction heating cooker comprises a guide which is positioned at the outlet of the first slit so as to guide the air leaving the first slit directly onto the circuit board.
  • the air which is disorderly guided to the circuit boards, passes through the guide more smoothly and spreads over the boards, increasing the cooling efficiency.
  • the induction heating cooker comprises the air guiding member of which the air ducts are symmetrically distributed in the horizontal and vertical axes.
  • the air ducts are enabled to be arranged symmetrically in the horizontal and vertical axes.
  • the efficiency of the cooling performance of the induction heating cooker is increased.
  • the induction heating cooker comprises the air guiding member manufactured from a metal material.
  • a metal air guiding member By means of a metal air guiding member, the durability thereof is increased and a better cooling is obtianed by means of the heat conductivity.
  • the induction heating cooker comprises the air guiding member manufactured from a plastic material.
  • a cost-efficient and lightweight design is obtained, providing ease of production.
  • the components which heat up are cooled such that a more smooth cooking performance is provided.
  • the induction heating cooker (1) comprises a body (2); at least one circuit board (6) which is disposed in the body (2); at least one IGBT component (3) which is disposed in the body (2) and which provides power switching; at least one heat sink (4) which contacts the IGBT component (3) so as to cool the same; at least one fan (5) which is disposed in the body (2) and which provides the cooling of the circuit board (6) and the IGBT component (3) by air; and an air guiding member (7) which is positioned in the flow of the air provided by the fan (5) and which guides the air.
  • the induction heating cooker (1) further comprises an air guiding member (7) having groove-shaped air ducts (8), which is placed on the heat sink (4) and the IGBT component (3) so as to allow the cooling air from the fan (5) to be distributed more evenly to the IGBT components (3). It is aimed that the air molecules pass through the heat sink (4) surface by means of the air ducts (8) in accordance with the flow direction of the air coming out of the fan (5) so as to be guided onto the IGBT components (3).
  • the induction heating cooker (1) comprises at least one first slit (9) which is provided between the air guiding member (7) and the air outlet of the fan (5) so as to guide the air to the circuit boards (6) on the right and left sides of the body (2), and at least one second slit (10) which is provided on the body (2) and which enables the air passing over the circuit boards (6) to continue to circulate.
  • first slits (9) and two second slits (10) on the parts of the air guiding member (7) facing the circuit boards (6), and thus two equal air paths can be created at both sides of the body (2).
  • the air coming out of the fan (5) is guided first to the IGBT components (3) and then to the circuit boards (6) so as to exit through the second slit (10), ensuring a much more efficient air circulation.
  • the induction heating cooker (1) comprises a guide (11) which is positioned at the outlet of the first slit (9) so as to guide the air leaving the first slit (9) directly onto the circuit board (6).
  • the air which is disorderly guided to the circuit boards (6), passes through the guide (11) more smoothly and spreads over the circuits boards (6), increasing the cooling efficiency.
  • the performance of the induction heating cooker (1) is also indirectly improved.
  • the induction heating cooker (1) comprises the air guiding member (7) of which the air ducts (8) are symmetrically distributed in the horizontal and vertical axes.
  • the air ducts (8) are enabled to be arranged symmetrically in the horizontal and vertical axes.
  • identical operation conditions are provided for the IGBT components (3) provided at the right and left sides.
  • the efficiency of the cooling performance of the induction heating cooker (1) is improved, preventing the same from reaching critical temperatures and being turned off.
  • the induction heating cooker (1) comprises the air guiding member (7) manufactured from a metal material.
  • a metal air guiding member (7) preferably manufactured from stainless steel, the durability thereof is increased and a better cooling is obtained by means of the heat conductivity.
  • the induction heating cooker (1) comprises the air guiding member (7) manufactured from a plastic material.
  • the air guiding member (7) manufactured from a plastic material.
  • the power switching components are cooled more efficiently by air, providing an improved cooking performance.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Cookers (AREA)

Claims (5)

  1. Ein Induktionsherd (1) umfasst einen Körper (2); mindestens eine Leiterplatte (6), die im Körper (2) angeordnet ist; mindestens eine IGBT-Komponente (3), die in dem Körper (2) angeordnet ist und die Leistungsschaltung bereitstellt; mindestens einen Kühlkörper (4), der die IGBT-Komponente (3) kontaktiert, um dieselbe zu kühlen; mindestens einen Lüfter (5), der in dem Körper (2) angeordnet ist und der für die Kühlung der Leiterplatte (6) und der IGBT-Komponente (3) durch Luft sorgt; und ein Luftführungselement (7), das in der Luftströmung angeordnet ist, die von dem Lüfter (5) bereitgestellt wird, und das die Luft führt, gekennzeichnet ist er durch
    - ein Luftführungselement (7) mit nutförmigen Luftkanälen (8), das auf dem Kühlkörper (4) und dem IGBT- Komponenten (3) platziert ist, um zu ermöglichen, dass die Kühlluft von dem Lüfter (5) gleichmäßiger zu den IGBT-Komponenten (3) verteilt wird, und
    - mindestens einen ersten Schlitz (9), der zwischen dem Luftleitelement (7) und dem Luftauslass des Lüfters (5) vorgesehen ist um die Luft zu den Leiterplatten (6) auf der rechten und linken Seite des Körpers (2) zu führen, und mindestens einen zweiten Schlitz (10), der an dem Körper (2) vorgesehen ist und der den Luftdurchtritt ermöglicht über die Leiterplatte (6) weiter umzulaufen.
  2. Ein Induktionsherd (1), wie in Anspruch 1 aufgeführt, ist dadurch gekennzeichnet, dass eine Führung (11), die am Ausgang des ersten Schlitzes (9) positioniert ist, um die den ersten Schlitz (9) verlassende Luft direkt auf die Leiterplatte (6) zu leiten.
  3. Ein Induktionsherd (1), wie in Anspruch 1 oder 2 aufgeführt, ist dadurch gekennzeichnet, dass das Luftführungselement (7) Luftkanäle (8) aufweist, die symmetrisch in der horizontalen und der vertikalen Achse verteilt sind.
  4. Ein Induktionsherd (1), wie in einem der vorherigen Ansprüchen aufgeführt, ist dadurch gekennzeichnet, dass das Luftführungselement (7) aus einem Metallmaterial hergestellt ist.
  5. Ein Induktionsherd (1), wie in den Ansprüchen 1 bis 3 aufgeführt, ist dadurch gekennzeichnet, dass das Luftführungselement (7) aus einem Kunststoffmaterial hergestellt ist.
EP21187854.1A 2020-08-31 2021-07-27 Induktionsherd mit verbesserter kühlleistung Active EP3962239B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2020/13716A TR202013716A2 (tr) 2020-08-31 2020-08-31 Soğutma performansi i̇yi̇leşti̇ri̇lmi̇ş bi̇r endüksi̇yonlu ocak

Publications (2)

Publication Number Publication Date
EP3962239A1 EP3962239A1 (de) 2022-03-02
EP3962239B1 true EP3962239B1 (de) 2023-01-25

Family

ID=77071326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21187854.1A Active EP3962239B1 (de) 2020-08-31 2021-07-27 Induktionsherd mit verbesserter kühlleistung

Country Status (3)

Country Link
EP (1) EP3962239B1 (de)
PL (1) PL3962239T3 (de)
TR (1) TR202013716A2 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5845473B2 (ja) * 2010-03-17 2016-01-20 パナソニックＩｐマネジメント株式会社 誘導加熱調理器
WO2011154373A1 (en) * 2010-06-07 2011-12-15 Arcelik Anonim Sirketi Induction heating cooker
EP2774454B1 (de) * 2011-11-04 2018-08-08 Arçelik Anonim Sirketi Induktionsherd
ES2748043T3 (es) * 2012-06-28 2020-03-12 Bsh Hausgeraete Gmbh Dispositivo de aparato doméstico
DE102012217059A1 (de) 2012-09-21 2014-03-27 E.G.O. Elektro-Gerätebau GmbH Gehäuseteil für ein Kochfeld und Kochfeld

Also Published As

Publication number Publication date
TR202013716A2 (tr) 2022-03-21
EP3962239A1 (de) 2022-03-02
PL3962239T3 (pl) 2023-05-15

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