JPH10321360A - Induction heating type rice cooker - Google Patents
Induction heating type rice cookerInfo
- Publication number
- JPH10321360A JPH10321360A JP13076797A JP13076797A JPH10321360A JP H10321360 A JPH10321360 A JP H10321360A JP 13076797 A JP13076797 A JP 13076797A JP 13076797 A JP13076797 A JP 13076797A JP H10321360 A JPH10321360 A JP H10321360A
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- Prior art keywords
- heating coil
- rice cooker
- heating
- rice
- inverter
- 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.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、誘導加熱式炊飯器
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an induction heating type rice cooker.
【０００２】[0002]
【従来の技術】以下、従来の誘導加熱式炊飯器につい
て、図８に基づいて説明する。米と水を収納する炊飯鍋
５１を底面外側加熱コイル９と底面内側加熱コイル１０
にインバータ４１からの高周波電力を通電して炊飯鍋５
１を誘導加熱することで炊飯し、底面外側加熱コイル９
と底面内側加熱コイル１０は直列に接続されており、炊
飯の進行に合わせてインバータの入力電力を可変する入
力電力可変手段１１により底面外側加熱コイル９と底面
内側加熱コイル１０の通電時間と電力を調整し炊飯を行
うものである。2. Description of the Related Art A conventional induction heating type rice cooker will be described below with reference to FIG. A rice cooker 51 for storing rice and water is heated with a bottom outside heating coil 9 and a bottom inside heating coil 10.
High-frequency power from the inverter 41 to the rice cooker 5
1 is cooked by induction heating and the bottom heating coil 9
The bottom heating coil 10 and the bottom heating coil 10 are connected in series, and the power supply time and power of the bottom heating coil 9 and the bottom heating coil 10 are controlled by an input power variable means 11 that varies the input power of the inverter in accordance with the progress of rice cooking. It adjusts and cooks rice.
【０００３】図９は従来の誘導加熱式炊飯器の断面図で
ある。炊飯鍋５１の底面外周部に対向して底面外側加熱
コイル９を設置し、炊飯鍋５１の底面内側に対向して底
面内側加熱コイル１０を設置して炊飯鍋５１を誘導加熱
し炊飯するものである。FIG. 9 is a sectional view of a conventional induction heating type rice cooker. The bottom outside heating coil 9 is installed facing the outer periphery of the bottom surface of the rice cooker 51, and the bottom inside heating coil 10 is installed facing the inside bottom of the rice cooker 51 to heat the rice cooker 51 by induction heating. is there.
【０００４】以下、図１０を用いて炊飯の進行を炊飯工
程毎に説明する。まず第１工程、以下浸水工程という、
では米を短時間に浸水させるために炊飯鍋が摂氏５０度
から６０度になるようにインバータの入力電力を調整す
る。十分に米を浸水させた後、第２工程、以下炊き上げ
工程という、ではインバータ４１の入力電力を最大、も
しくは沸騰時にふきこぼれしない最大の電力すなわち最
大入力電力の８０％以上の電力、にして急速に加熱し、
水を沸騰させ、沸騰した後はインバータ４１の入力電力
を沸騰を維持するだけに低下させ米を煮るとともに水が
蒸発して米を蒸しあげる、すなわち炊き上げる。さらに
水がなくなると米に付着している余剰の水分を蒸発させ
るために第３工程、以下蒸らし工程に入っていた。Hereinafter, the progress of rice cooking will be described for each rice cooking step with reference to FIG. First, the first step, hereinafter referred to as the flooding step,
Then, the input power of the inverter is adjusted so that the rice cooker is at a temperature of 50 to 60 degrees Celsius in order to soak the rice in a short time. After the rice is sufficiently submerged, in the second step, hereinafter referred to as the cooking step, the input power of the inverter 41 is set to the maximum, or the maximum power that does not spill over when boiling, that is, 80% or more of the maximum input power, and rapidly. Heated to
The water is boiled, and after the boiling, the input power of the inverter 41 is reduced only to maintain the boiling, the rice is boiled, and the water evaporates to steam the rice, that is, cook the rice. Further, when water runs out, a third step, that is, a steaming step, has been started in order to evaporate excess water adhering to the rice.
【０００５】ここで、炊き上げ工程について説明する
と、加熱によって水温が上がるにつれ次第に炊飯鍋の外
周側の水が沸き上がり炊飯鍋の内側で底に沈む対流が起
こってくる、この対流を以下外対流という。外対流を強
く起こすことで炊き上げ工程での鍋内部の温度むらを少
なくすればご飯の炊きむらが少なくなるものである。Here, the cooking process will be described. As the water temperature rises due to heating, water on the outer peripheral side of the rice cooker boils gradually and convection that sinks to the bottom inside the rice cooker occurs. This convection is hereinafter referred to as external convection. That. By reducing the uneven temperature inside the pot during the cooking process by intensifying the external convection, the uneven cooking of the rice is reduced.
【０００６】[0006]
【発明が解決しようとする課題】上記従来の誘導加熱式
炊飯器は、底面外側加熱コイルと底面内側加熱コイルは
直列に接続されており炊き上げ工程で外対流が起こって
いる時に底面内側加熱コイルにも通電されているため、
底面内側加熱コイルによる加熱は外対流を妨げるように
働き、外対流を弱めひいては炊飯鍋中の米及び水の温度
分布にむらが生じることによるご飯の炊きむらが起こる
ことがあるという課題を有している。In the above-mentioned conventional induction heating type rice cooker, the bottom outer heating coil and the bottom inner heating coil are connected in series, and the bottom inner heating coil is generated when external convection occurs in the cooking process. Is also energized,
Heating by the bottom inside heating coil works to prevent external convection, weakens external convection, and has the problem that unevenness in the temperature distribution of rice and water in the rice cooker may cause uneven cooking of rice. ing.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に、本発明の誘導加熱式炊飯器は、炊飯鍋の底面内側を
加熱する底面内側加熱コイルと、前記内側加熱コイルの
外周に配設された底面外側加熱コイルと、前記両加熱コ
イルに高周波電力を供給するインバータを制御する制御
手段とを備え、前記制御手段は、前記インバータの総入
力電力が所定値以上の場合に前記底面外側加熱コイルの
みに電力供給してなるものである。In order to solve the above-mentioned problems, an induction heating type rice cooker according to the present invention is provided with a bottom inner heating coil for heating the inner bottom surface of a rice cooker and an outer periphery of the inner heating coil. And a control unit that controls an inverter that supplies high-frequency power to both of the heating coils, wherein the control unit controls the bottom outside heating when the total input power of the inverter is equal to or greater than a predetermined value. Power is supplied only to the coil.
【０００８】[0008]
【発明の実施の形態】請求項１、２に記載した発明は、
炊飯鍋と前記炊飯鍋の底面外周部を加熱する底面外側加
熱コイルと前記炊飯鍋の底面内側を加熱する底面内側加
熱コイルと前記底面外側加熱コイルと前記底面内側加熱
コイルに高周波電力を供給する少なくとも１つのインバ
ータと前記インバータの入力電力を可変する入力電力可
変手段とを備え、インバータの総入力電力が最大総入力
電力の８０％以上であるときに底面外側加熱コイルにの
み通電し底面内側加熱コイルには通電しないようにし
て、炊きむらの少ない炊飯器としているものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
At least a high-frequency power is supplied to the rice cooker, the bottom outer heating coil for heating the outer peripheral portion of the bottom of the rice cooker, the bottom inner heating coil for heating the inner bottom of the rice cooker, the bottom outer heating coil, and the bottom inner heating coil. An inverter and input power varying means for varying the input power of the inverter, wherein when the total input power of the inverter is 80% or more of the maximum total input power, only the bottom outer heating coil is energized and the bottom inner heating coil is supplied. The power is not supplied to the rice cooker so that the cooker has less uneven cooking.
【０００９】請求項３、４に記載した発明は、特に炊飯
鍋の温度を検知する温度検知手段を備え、炊飯鍋の温度
が摂氏９０度以上摂氏１０５度以下であるときに底面外
側加熱コイルにのみ通電し底面内側加熱コイルには通電
しないようにして、炊きむらの少ない炊飯器としている
ものである。The invention described in claims 3 and 4 is provided with a temperature detecting means for detecting the temperature of the rice cooker in particular, and when the temperature of the rice cooker is not less than 90 degrees Celsius and not more than 105 degrees Celsius, the bottom outer heating coil is provided. Only the power is supplied to the heating coil inside the bottom surface and the power is not supplied to the heating coil, so that the rice cooker has less uneven cooking.
【００１０】請求項５に記載した発明は、特に炊飯鍋の
振動を検知する振動検知手段を備え、炊飯鍋の振動が設
定した基準値以上の間は底面外側加熱コイルにのみ通電
し底面内側加熱コイルには通電しないようにして、炊き
むらの少ない炊飯器としているものである。[0010] The invention described in claim 5 is provided with a vibration detecting means for detecting vibration of the rice cooker in particular, and energizes only the bottom outer heating coil and heats the inner bottom cooker while the vibration of the rice cooker is higher than a set reference value. The coil is not energized so that the rice cooker has less uneven cooking.
【００１１】請求項６に記載した発明は、底面外側加熱
コイルと底面内側加熱コイルを直列に接続し、底面外側
加熱コイルのみに電力供給する場合に、底面内側加熱コ
イルを短絡することで、簡単な構成で炊きむらの少ない
炊飯器を実現可能とするものである。According to the invention described in claim 6, the bottom outside heating coil and the bottom inside heating coil are connected in series, and when power is supplied only to the bottom outside heating coil, the bottom inside heating coil is short-circuited. It is possible to realize a rice cooker with less uneven cooking with a simple configuration.
【００１２】[0012]
（実施例１）以下、本発明の実施例について説明する。
図１は本実施例の誘導加熱式炊飯器のブロック図であ
る。１は商用電源、４１は第１のインバータで整流装置
２と、チョークコイル３、平滑コンデンサ４、共振コン
デンサ５、逆導通ダイオード６、ＩＧＢＴ７、インバー
タ制御装置８とからなっている。商用電源１からの低周
波電力を第１のインバータ４１で高周波電力に変換し底
面外側加熱コイル９に高周波電流を流して炊飯鍋を誘導
加熱するものである。１１は第１の入力電力可変手段で
炊飯の各工程での必要電力に合わせた電力に第１のイン
バータの入力電力を可変するものである。同様にして第
２のインバータ４２は底面内側加熱コイル１０に高周波
電力を供給して第２の入力電力可変手段３１により第２
のインバータ４２の入力電力を可変するものである。Embodiment 1 Hereinafter, an embodiment of the present invention will be described.
FIG. 1 is a block diagram of an induction heating rice cooker according to the present embodiment. 1 is a commercial power supply, 41 is a first inverter, which is composed of a rectifier 2, a choke coil 3, a smoothing capacitor 4, a resonance capacitor 5, a reverse conducting diode 6, an IGBT 7, and an inverter controller 8. The low-frequency power from the commercial power supply 1 is converted into high-frequency power by the first inverter 41, and a high-frequency current is supplied to the bottom outer heating coil 9 to inductively heat the rice cooker. Reference numeral 11 denotes a first input power varying means for varying the input power of the first inverter to a power corresponding to the power required in each step of cooking rice. Similarly, the second inverter 42 supplies high-frequency power to the bottom inner heating coil 10, and the second input power
The input power of the inverter 42 is varied.
【００１３】以下、本実施例の動作について説明する。
図２は本実施例の炊飯器の炊飯の進行を示す図である。
進行順に浸水工程、炊き上げ工程、蒸らし工程、炊飯終
了となる。ここで炊き上げ工程においては急速に加熱す
るべく最大総入力電力の８０％以上の総入力電力で炊飯
鍋を加熱しており、第１のインバータ４１は動作してお
り、底面外側加熱コイル９には通電しているが、第２の
インバータ４２は停止しており、底面内側加熱コイル１
０には通電していない。The operation of this embodiment will be described below.
FIG. 2 is a diagram showing the progress of rice cooking in the rice cooker of this embodiment.
The water immersion step, the cooking step, the steaming step, and the rice cooking are completed in the order of progress. Here, in the cooking process, the rice cooker is heated with a total input power of 80% or more of the maximum total input power so as to rapidly heat, the first inverter 41 is operating, and Is energized, but the second inverter 42 is stopped, and the bottom inner heating coil 1 is turned off.
0 is not energized.
【００１４】従って、炊飯鍋の外周側の水が沸き上がり
炊飯鍋の内側で底に沈む対流が起こる外対流を強く起こ
すことで炊き上げ工程での鍋内部の温度むらを少なくす
ることが出来、ご飯の炊きむらが少なくなるものであ
る。[0014] Therefore, the water on the outer peripheral side of the rice cooker is boiled up and the convection which sinks to the bottom inside the rice cooker is strongly generated, thereby increasing the external convection. This will reduce uneven cooking of rice.
【００１５】（実施例２）また、図３のような構成も考
えられる。すなわち炊飯鍋の温度を検知する温度検知手
段５２を備え、炊飯鍋の温度が摂氏９０度以上摂氏１０
５度以下であるときに底面外側加熱コイル９にのみ通電
し底面内側加熱コイル１０には通電しない構成である。
本実施例においては図４のような炊飯器の炊飯の進行を
行うものである。Embodiment 2 A configuration as shown in FIG. 3 is also conceivable. That is, a temperature detecting means 52 for detecting the temperature of the rice cooker is provided, and the temperature of the rice cooker is 90 ° C. or more and 10 ° C.
When the angle is less than 5 degrees, only the bottom outer heating coil 9 is energized and the bottom inner heating coil 10 is not energized.
In this embodiment, the rice cooker as shown in FIG.
【００１６】すなわち炊き上げ工程において十分に強い
対流が起こり始めるまでは底面外側加熱コイル９と底面
内側加熱コイル１０の両方に通電することで均一な温度
分布となるべく加熱し、炊飯鍋の温度が摂氏９０度以上
の時すなわち十分強く対流が起こり始めてからは底面外
側加熱コイル９にのみ通電することでより鍋内部の温度
むらが少ないことを実現しているものである。以上の構
成によってさらにご飯の炊きむらの少ない炊飯器として
いるものである。That is, until a sufficiently strong convection starts to occur in the cooking step, the electric current is supplied to both the bottom outer heating coil 9 and the bottom inner heating coil 10 so as to obtain a uniform temperature distribution so that the temperature of the rice cooker becomes Celsius. When the temperature is 90 degrees or more, that is, after convection starts to occur sufficiently strongly, current is applied only to the bottom outer heating coil 9, thereby realizing less temperature unevenness inside the pan. With the above configuration, a rice cooker with less uneven cooking of rice is provided.
【００１７】（実施例３）また、図５に示すような構成
とすることも考えられる。すなわち本実施例において
は、炊飯鍋の振動を検知する振動検知手段５３を備え、
炊飯鍋の振動が設定した基準値以上の間は底面外側加熱
コイル９にのみ通電し底面内側加熱コイル１０には通電
しない構成である。こうすることによって図６のように
炊き上げ時に炊飯鍋内に沸騰が起こりその振動を検知し
てそれ以降については底面外側加熱コイル９にのみ通電
し、振動が小さくなって設定した基準値以下になった時
すなわち炊飯鍋内の水が蒸発及び米に吸収され水がなく
なったことを検知し、それ以降については底面外側加熱
コイル９と底面内側加熱コイル１０の両方に通電するこ
とでより鍋内部の温度むらが少ないことを実現している
ものである。以上の構成によってさらにご飯の炊きむら
の少ない炊飯器としているものである。(Embodiment 3) It is also conceivable to adopt a configuration as shown in FIG. That is, in the present embodiment, a vibration detecting means 53 for detecting the vibration of the rice cooker is provided,
During the period when the vibration of the rice cooker is equal to or higher than the set reference value, only the bottom outer heating coil 9 is energized and the inner bottom heating coil 10 is not energized. As a result, boiling occurs in the rice cooker during cooking as shown in FIG. 6 and the vibration is detected. Thereafter, only the bottom outer heating coil 9 is energized, and the vibration is reduced to below the set reference value. When it becomes, that is, when the water in the rice cooking pot is evaporated and absorbed by the rice to detect the disappearance of water, and thereafter, both the bottom outer heating coil 9 and the bottom inner heating coil 10 are energized to further increase the inside of the pan. This realizes that the temperature unevenness is small. With the above configuration, a rice cooker with less uneven cooking of rice is provided.
【００１８】（実施例４）また、このとき図７に示して
いるように、底面外側加熱コイル９と底面内側加熱コイ
ル１０を直列に接続してインバータを一つとし底面内側
加熱コイル１０を短絡するリレー接点５４を設ける構成
も考えられる。リレー接点５４を開とすれば底面外側加
熱コイル９と底面内側加熱コイル１０の両方に通電さ
れ、リレー接点５４を閉とすれば底面外側加熱コイル９
には通電されるが底面内側加熱コイル１０には通電され
ない。よってより簡易な構成でご飯の炊きむらの少ない
炊飯器としているものである。(Embodiment 4) At this time, as shown in FIG. 7, the bottom outside heating coil 9 and the bottom inside heating coil 10 are connected in series to form one inverter and short-circuit the bottom inside heating coil 10. A configuration in which a relay contact 54 is provided is also conceivable. When the relay contact 54 is opened, both the bottom outer heating coil 9 and the bottom inner heating coil 10 are energized, and when the relay contact 54 is closed, the bottom outer heating coil 9 is turned on.
, But not to the bottom inner heating coil 10. Therefore, a rice cooker with a simpler configuration and less uneven cooking of rice is provided.
【００１９】[0019]
【発明の効果】請求項１、２に記載した発明は、炊飯工
程内の炊き上げ工程において底面外側加熱コイルにのみ
通電し底面内側加熱コイルには通電しないようにして炊
飯鍋の温度分布のむらを少なくすることにより、ご飯の
炊きむらを少なくする炊飯器を実現するものである。According to the first and second aspects of the present invention, in the cooking step in the rice cooking step, only the bottom outer heating coil is energized, and the inner bottom heating coil is not energized, thereby reducing the unevenness of the temperature distribution of the rice cooker. By reducing the amount, it is possible to realize a rice cooker that reduces uneven cooking of rice.
【００２０】請求項３、４に記載した発明は、温度検知
手段を備えることで炊飯鍋内の沸騰を検知して底面外側
加熱コイルにのみ通電し底面内側加熱コイルには通電し
ないようにして炊飯鍋の温度分布のむらをより少なくす
ることにより、ご飯の炊きむらをより少なくする炊飯器
を実現するものである。According to the third and fourth aspects of the present invention, rice cookers are provided with a temperature detecting means to detect boiling in the rice cooker and to energize only the bottom outer heating coil and not energize the bottom inner heating coil. By reducing the unevenness in the temperature distribution of the pot, it is possible to realize a rice cooker that reduces the uneven cooking of rice.
【００２１】請求項５に記載した発明は、振動検知手段
を備えることで炊飯鍋内の沸騰を検知して底面外側加熱
コイルにのみ通電し底面内側加熱コイルには通電しない
ようにして炊飯鍋の温度分布のむらをより少なくするこ
とにより、ご飯の炊きむらをより少なくする炊飯器を実
現するものである。According to a fifth aspect of the present invention, the cooking rice cooker is provided with a vibration detecting means, which detects boiling in the rice cooker and energizes only the bottom outer heating coil and does not energize the bottom inner heating coil. By reducing the unevenness of the temperature distribution, it is possible to realize a rice cooker that reduces the uneven cooking of rice.
【００２２】請求項６に記載した発明は、底面外側加熱
コイルと底面内側加熱コイルを直列に接続し底面内側加
熱コイルを短絡することで底面外側加熱コイルにのみ通
電し底面内側加熱コイルには通電しないようにして炊飯
鍋の温度分布のむらを少なくすることにより、ご飯の炊
きむらを少なくする炊飯器をより簡易な構成で実現する
ものである。According to a sixth aspect of the present invention, the bottom outer heating coil and the bottom inner heating coil are connected in series, and the bottom inner heating coil is short-circuited to energize only the bottom outer heating coil and energize the bottom inner heating coil. By reducing the unevenness of the temperature distribution of the rice cooker so as not to reduce the unevenness of the rice cooker, a rice cooker that reduces the unevenness of the cooked rice can be realized with a simpler configuration.
【図１】本発明の第１の実施例の誘導加熱式炊飯器のブ
ロック図FIG. 1 is a block diagram of an induction heating rice cooker according to a first embodiment of the present invention.
【図２】同、誘導加熱式炊飯器の炊飯進行状態を示す図FIG. 2 is a diagram showing a rice cooking progress state of the induction heating rice cooker.
【図３】本発明の第２の実施例の誘導加熱式炊飯器の要
部断面図FIG. 3 is a sectional view of a main part of an induction heating type rice cooker according to a second embodiment of the present invention.
【図４】同、誘導加熱式炊飯器の炊飯進行状態を示す図FIG. 4 is a diagram showing a rice cooking progress state of the induction heating rice cooker.
【図５】本発明の第３の実施例の誘導加熱式炊飯器の要
部断面図FIG. 5 is a sectional view of a main part of an induction heating rice cooker according to a third embodiment of the present invention.
【図６】同、誘導加熱式炊飯器の炊飯進行状態を示す図FIG. 6 is a diagram showing a rice cooking progress state of the induction heating rice cooker.
【図７】本発明の第４の実施例の誘導加熱式炊飯器のブ
ロック図FIG. 7 is a block diagram of an induction heating rice cooker according to a fourth embodiment of the present invention.
【図８】従来の誘導加熱式炊飯器のブロック図FIG. 8 is a block diagram of a conventional induction heating rice cooker.
【図９】同、誘導加熱式炊飯器の要部断面図FIG. 9 is a sectional view of an essential part of the induction-heated rice cooker.
【図１０】同、誘導加熱式炊飯器の炊飯進行状態を示す
図FIG. 10 is a diagram showing a rice cooking progress state of the induction heating rice cooker.
９ 底面外側加熱コイル １０ 底面内側加熱コイル １１ 第１の入力電力可変手段 ３１ 第２の入力電力可変手段 ４１ 第１のインバータ ４２ 第２のインバータ ５１ 炊飯鍋 ５２ 温度検知手段 ５３ 振動検知手段 Reference Signs List 9 bottom heating coil 10 bottom heating coil 11 first input power variable means 31 second input power variable means 41 first inverter 42 second inverter 51 rice cooker 52 temperature detecting means 53 vibration detecting means
Claims (6)
熱コイルと、前記内側加熱コイルの外周に配設された底
面外側加熱コイルと、前記両加熱コイルに高周波電力を
供給するインバータを制御する制御手段とを備え、前記
制御手段は、前記インバータの総入力電力が所定値以上
の場合に前記底面外側加熱コイルのみに電力供給してな
る誘導加熱式炊飯器。1. A bottom inner heating coil for heating an inner bottom surface of a rice cooker, a bottom outer heating coil disposed on an outer periphery of the inner heating coil, and an inverter for supplying high-frequency power to both the heating coils. Control means, wherein the control means supplies power only to the bottom outer heating coil when the total input power of the inverter is equal to or more than a predetermined value.
最大総入力電力の略８０％以上の場合に底面外側加熱コ
イルのみに電力供給してなる請求項１記載の誘導加熱式
炊飯器。2. The induction heating rice cooker according to claim 1, wherein the control means supplies power only to the bottom outer heating coil when the total input power of the inverter is about 80% or more of the maximum total input power.
熱コイルと、前記内側加熱コイルの外周に配設された底
面外側加熱コイルと、前記両加熱コイルに高周波電力を
供給するインバータを制御する制御手段とを備え、前記
制御手段は、前記炊飯鍋の温度が所定範囲内にある場合
に前記底面外側加熱コイルのみに電力供給してなる誘導
加熱式炊飯器。3. A bottom heating coil for heating the inside of the bottom of the rice cooker, a bottom heating coil disposed on the outer periphery of the inner heating coil, and an inverter for supplying high-frequency power to both heating coils. An induction heating rice cooker comprising: a control unit, wherein the control unit supplies power only to the bottom outer heating coil when the temperature of the rice cooker is within a predetermined range.
以上１０５度以下である場合に底面外側加熱コイルのみ
に電力供給してなる請求項３記載の誘導加熱式炊飯器。4. The induction heating rice cooker according to claim 3, wherein the control means supplies power only to the bottom outer heating coil when the temperature of the rice cooker is not less than 90 degrees Celsius and not more than 105 degrees Celsius.
熱コイルと、前記内側加熱コイルの外周に配設された底
面外側加熱コイルと、前記両加熱コイルに高周波電力を
供給するインバータを制御する制御手段とを備え、前記
制御手段は、前記炊飯鍋の振動が所定の大きさ以上の場
合に前記底面外側加熱コイルのみに電力供給してなる誘
導加熱式炊飯器。5. A bottom heating coil for heating the inside of the bottom of the rice cooker, a bottom heating coil disposed on the outer periphery of the inside heating coil, and an inverter for supplying high-frequency power to both the heating coils. An induction heating rice cooker comprising: a control unit, wherein the control unit supplies power only to the bottom outer heating coil when the vibration of the rice cooker is equal to or greater than a predetermined magnitude.
イルと直列に接続され、制御手段は、底面外側加熱コイ
ルのみに電力供給する際に底面内側加熱コイルを短絡接
続してなる請求項１〜５のいずれか１項に記載の誘導加
熱式炊飯器。6. The bottom outside heating coil is connected in series with the bottom inside heating coil, and the control means short-circuits the bottom inside heating coil when supplying power only to the bottom outside heating coil. 6. The induction-cooked rice cooker according to any one of 5 above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13076797A JPH10321360A (en) | 1997-05-21 | 1997-05-21 | Induction heating type rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13076797A JPH10321360A (en) | 1997-05-21 | 1997-05-21 | Induction heating type rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10321360A true JPH10321360A (en) | 1998-12-04 |
Family
ID=15042181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13076797A Withdrawn JPH10321360A (en) | 1997-05-21 | 1997-05-21 | Induction heating type rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10321360A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334772A (en) * | 2001-05-09 | 2002-11-22 | Matsushita Electric Ind Co Ltd | Inverter for induction heating |
| CN105982510A (en) * | 2015-02-06 | 2016-10-05 | 飞利浦（嘉兴）健康科技有限公司 | Electromagnetic heating kitchenware as well as controller and control method thereof |
| CN108065753A (en) * | 2016-11-14 | 2018-05-25 | 广东美的生活电器制造有限公司 | Food cooking machine and its heating control apparatus |
| CN109199088A (en) * | 2017-07-03 | 2019-01-15 | 青岛海高设计制造有限公司 | Electric cooker and its control method |
| JP2019162250A (en) * | 2018-03-19 | 2019-09-26 | 象印マホービン株式会社 | rice cooker |
| CN111447861A (en) * | 2017-12-07 | 2020-07-24 | 三菱电机株式会社 | Induction heating cooker |
-
1997
- 1997-05-21 JP JP13076797A patent/JPH10321360A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334772A (en) * | 2001-05-09 | 2002-11-22 | Matsushita Electric Ind Co Ltd | Inverter for induction heating |
| CN105982510A (en) * | 2015-02-06 | 2016-10-05 | 飞利浦（嘉兴）健康科技有限公司 | Electromagnetic heating kitchenware as well as controller and control method thereof |
| CN108065753A (en) * | 2016-11-14 | 2018-05-25 | 广东美的生活电器制造有限公司 | Food cooking machine and its heating control apparatus |
| CN109199088A (en) * | 2017-07-03 | 2019-01-15 | 青岛海高设计制造有限公司 | Electric cooker and its control method |
| CN109199088B (en) * | 2017-07-03 | 2021-11-05 | 青岛海高设计制造有限公司 | Electric cooker and control method thereof |
| CN111447861A (en) * | 2017-12-07 | 2020-07-24 | 三菱电机株式会社 | Induction heating cooker |
| EP3721754A4 (en) * | 2017-12-07 | 2020-12-09 | Mitsubishi Electric Corporation | Induction heating cooker |
| CN111447861B (en) * | 2017-12-07 | 2021-12-10 | 三菱电机株式会社 | Induction heating cooker |
| US11503939B2 (en) | 2017-12-07 | 2022-11-22 | Mitsubishi Electric Corporation | Induction heating cooker |
| JP2019162250A (en) * | 2018-03-19 | 2019-09-26 | 象印マホービン株式会社 | rice cooker |
| CN110279284A (en) * | 2018-03-19 | 2019-09-27 | 象印有限公司 | Electric cooker |
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