JP4251191B2 - Induction heating cooker - Google Patents
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- JP4251191B2 JP4251191B2 JP2006110660A JP2006110660A JP4251191B2 JP 4251191 B2 JP4251191 B2 JP 4251191B2 JP 2006110660 A JP2006110660 A JP 2006110660A JP 2006110660 A JP2006110660 A JP 2006110660A JP 4251191 B2 JP4251191 B2 JP 4251191B2
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Description
本発明は一般家庭で使用する誘導加熱調理器に関するものである。 The present invention relates to an induction heating cooker used in general households.
従来、この種の誘導加熱調理器は、天板を取り付けた樹脂製の外郭上部と、外郭上部と組み合わされ本体を構成する樹脂製の外郭下部と、外郭下部に設けた吸気口及び排気口と、外郭下部内に設けたプリント基板と冷却ファンを有し、冷却ファンの風を冷却部品であるプリント基板に向け送るために送風リブを本体内に設けていた。また、天板の裏面に位置して誘導加熱コイルを設けていた(例えば、特許文献1参照)。
しかしながら、前記従来の構成では、排気口から吹き出る送風で温度の差が大きく、一部の排気口からは温度の高い風が吹き出し、その近傍では不快になるという問題があった。 However, the conventional configuration has a problem that the temperature difference is large due to the air blown from the exhaust port, and a high-temperature wind blows out from some exhaust ports and becomes uncomfortable in the vicinity thereof.
本発明は、前記従来の問題点を解決するもので、本体の排気口から吹き出す送風で一部の高い温度の風を無くし、不快感を解消する誘導加熱調理器を提供することを目的とする。 The present invention solves the above-mentioned conventional problems, and an object thereof is to provide an induction heating cooker that eliminates some high-temperature winds by blowing air blown from an exhaust port of a main body and eliminates discomfort. .
前記従来の課題を解決するために、本発明の誘導加熱調理器は、天板と、前記天板を天部に取り付けた樹脂製の本体上部と、前記本体上部と組み合わされ本体外郭を構成する樹脂製の本体下部と、前記天板の裏面側に位置し前記天板の下面との間に隙間が形成されるように設けた誘導加熱コイルと、前記本体下部の下方から見て前記本体下部のひとつの角と前記誘導加熱コイルの中心との間に設けた吸気口と、前記本体下部の下方から見て前記本体下部の前記ひとつの角の対辺となる部分に複数の穴で形成された排気口と、前記本体下部内に設け電気回路を構成したプリント基板と、前記吸気口近傍に設け外気を本体内に
吸引して本体内に分流させて送風し発熱した部品と熱交換をして温度上昇した風を前記排気口の一部から本体外に吹き出す冷却ファンと、を備え、前記天板に対して垂直に前記本体上部から下方に向かって立設したリブを設け、前記加熱コイルの上を流れた風が、前記排気口近傍で前記リブにより向きを変えられ、前記誘導加熱コイル上を流れないで前記排気口に到達する前記加熱コイルの上を流れた風より低温の風と混じり合い前記排気口から排出される構成としたものである。
In order to solve the above-described conventional problems, an induction heating cooker according to the present invention comprises a top plate, a resin main body with the top plate attached to the top, and the main body upper portion to form a main body outline. An induction heating coil provided so that a gap is formed between the resin lower part of the main body and the lower surface of the top board located on the back side of the top board; and the lower part of the main body as viewed from below the lower part of the main body And a plurality of holes formed in a portion opposite to the one corner of the lower portion of the main body when viewed from below the lower portion of the main body. an exhaust port, and a printed circuit board that constitutes the electric circuit provided in the main body bottom, the outside air is provided before Ki吸 air opening neighborhood in the body
Suction to and a cooling fan for blowing out the body temperature elevated wind from a portion of the exhaust port is shunted to the part to heat exchange with the blown generates heat within the body, perpendicular to said top plate the ribs erected downward from the upper body to the provided, the air flowing over the heating coil, the redirected by the ribs exhaust opening neighborhood, without flowing on the induction heating coil It is configured such that it is mixed with wind that is cooler than the wind that flows over the heating coil that reaches the exhaust port, and is discharged from the exhaust port .
これによって、冷却ファンからの送風で誘導加熱コイル上を流れる風は高温になり、それが誘導加熱コイルの冷却ファンの設けられたコーナー部の対辺に位置する排気口から吹き出すが、天板に対して垂直に本体上部から下方に向かって立設したリブにより、送風の向きが変えられ、誘導加熱コイル上を流れないで排気口に到達する低温の送風と混じり合い、高温の送風の温度が低下して本体外に吹き出すことができる。 Thus, the wind flowing over the induction heating coil in the air from the cooling fan becomes high temperature, but it blows out the exhaust port or we located pairs side of the corner portion provided with the cooling fan of the induction heating coil, the top plate The direction of the air flow is changed by the ribs erected vertically from the upper part of the main body to the lower side , and the temperature of the high temperature air is mixed with the low temperature air that reaches the exhaust port without flowing over the induction heating coil. Can be lowered and blown out of the main body.
誘導加熱調理器は本体内で発熱する数点の電子部品を冷却するために、冷却ファンにより本体の吸気口から冷気を本体内に吸気して、本体内を分流して本体の広い範囲の排気口から吹き出すが、本発明の誘導加熱調理器は、冷却ファンから誘導加熱コイルの上面を流れる送風は自己発熱した誘導加熱コイルの熱により高温になるが、この熱風は排気口近傍で天板に対して垂直に本体上部から下方に向かって立設したリブにより、流れる向きが変わり、本体内の他の部分を流れて排気口に到達する低温の送風と混じることで、熱風の温度が下がり、本体外に排気することができる。 The induction heating cooker cools several electronic parts that generate heat in the main unit, and cools air from the intake port of the main unit by the cooling fan into the main unit. Although blown from the mouth, induction heating cooker of the present invention is blowing through the top surface of the induction heating coil from the cooling fan is a high temperature by the heat of the induction heating coil, which is self-heating, top plate the hot air exhaust opening neighborhood The ribs standing vertically from the top of the main body to the bottom change the direction of flow, and the temperature of the hot air decreases by mixing with low-temperature air that flows through other parts of the main body and reaches the exhaust port. , Can be exhausted outside the body.
また、リブ近傍で誘導加熱コイル上を流れ高温となっている送風が到達する位置に排気口を形成する穴を設けず、誘導加熱コイル上を流れないで低温の風が到達する位置に前記穴を設ける構成にすることにより、高温の熱風のまま本体外に吹き出すことも防止できる。 In addition, the hole that forms the exhaust port is not provided at a position where the high-temperature air flows on the induction heating coil in the vicinity of the rib , and the hole is formed at a position where the low-temperature wind reaches without flowing on the induction heating coil. by the configuration in which the can also prevent the blowing in the body outside remains hot air Atsushi Ko.
これにより、調理時に高温の熱風の吹き出しにより、不快感を感じることも解消できる。 Thereby, it is also possible to eliminate the feeling of discomfort due to the blowing of hot hot air during cooking.
特にテーブル上に置いて使用する卓上タイプの誘導加熱調理器では効果がある。 In particular, it is effective in a desktop type induction heating cooker used on a table.
第1の発明は、天板と、前記天板を天部に取り付けた樹脂製の本体上部と、上方から見て前記本体上部と組み合わされ本体外郭を構成する樹脂製の本体下部と、前記天板の裏面側に位置し前記天板の下面との間に隙間が形成されるように設けた誘導加熱コイルと、前記本体下部の下方から見て前記本体下部のひとつの角と前記誘導加熱コイルの中心との間
設けた吸気口と、前記本体下部の下方から見て前記本体下部の前記ひとつの角の対辺となる部分に複数の穴で形成された排気口と、前記本体下部内に設け電気回路を構成したプリント基板と、前記吸気口近傍に設け外気を本体内に吸引して本体内に分流させて送風し発熱した部品と熱交換をして温度上昇した風を前記排気口の一部から本体外に吹き出す冷却ファンと、を備え、前記天板に対して垂直に前記本体上部から下方に向かって立設したリブを設け、前記加熱コイルの上を流れた風が、前記排気口近傍で前記リブにより向きを変えられ、前記誘導加熱コイル上を流れないで前記排気口に到達する前記加熱コイルの上を流れた風より低温の風と混じり合い前記排気口から排出される構成としたものである。
According to a first aspect of the present invention, there is provided a top plate, an upper portion of a resin main body having the top plate attached to the top portion, a lower portion of a resin main body that is combined with the upper portion of the main body when viewed from above, and the top of the top. An induction heating coil provided on the back side of the plate so that a gap is formed between the lower surface of the top plate , one corner of the lower part of the main body and the induction heating coil as viewed from below the lower part of the main body An intake port provided between the center of the main body, an exhaust port formed with a plurality of holes in a portion opposite to the one corner of the lower portion of the main body as viewed from below the lower portion of the main body, and the main body a printed circuit board that constitutes the electric circuit is provided in the lower, front Ki吸 the outside air is provided in the air outlet near to suction within the body to blow air diverted into the body fever parts and wind heat exchange to a temperature rise the and a cooling fan for blowing out the body from a portion of the exhaust port, the stage The ribs erected downward from the upper body perpendicular to the provided, the wind flowing over the heating coil, the redirected by the ribs outlet near the top the induction heating coil It is configured to mix with wind lower in temperature than the wind that has flowed over the heating coil that reaches the exhaust port without flowing and is discharged from the exhaust port .
この構成により本体下部の下方から見て本体下部のひとつの角と誘導加熱コイルの中心との間に設けた冷却ファンからの送風で誘導加熱コイル上を流れる風は高温になり、それが本体下部の下方から見て本体下部の前記ひとつの角の対辺となる部分に複数の穴で形成された排気口から吹き出すが、天板に対して垂直に本体上部から下方に向かって立設したリブにより、送風の向きが変えられ、誘導加熱コイル上を流れないで排気口に到達する低温の送風と混じり合い、高温の送風の温度が低下して本体外に吹き出すことができる。 With this configuration, the wind that flows on the induction heating coil by the air blown from the cooling fan provided between one corner of the lower part of the main body and the center of the induction heating coil when viewed from the lower part of the main body becomes high temperature, and this is the lower part of the main body. rib when viewed from below blows the one opposite side portion serving a plurality of holes exhaust ports or we formed in the corner of the lower body, but erected downward from the upper body perpendicular to the top plate Thus, the direction of the blast is changed and mixed with the low-temperature blast that reaches the exhaust port without flowing over the induction heating coil, and the temperature of the high-temperature blast can be lowered and blown out of the main body.
第2の発明は、リブの近傍で誘導加熱コイルの上を流れた高温の風が到達する位置に排気口を形成する穴を設けず、前記誘導加熱コイル上を流れないで低温の風が到達する位置に前記穴を設ける構成にしたものである。 The second invention is, without providing a hole forming the outlet at a position hot air flowing over the induction heating coil in the vicinity of Li blanking arrives, the cold wind without flowing on the induction heating coil The hole is provided at the position to reach .
これにより、本体内の誘導加熱コイル上を流れる高温の熱風と、誘導加熱コイル上を流れないで排気口に到達する低温の送風とが混じり状態にある時に、高温の熱風の一部が本体外に吹き出すことも防止できる。 Thus, when in the induction heating of high temperature flowing through the upper coil hot air condition mix and the cold air blowing to reach the outlet without flowing on the induction heating coil in the body, the body portion of the hot hot air Blowing out can also be prevented.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.
(実施の形態1)
図1は本発明の第1の実施の形態における誘導加熱調理器の斜視図を、図2は本発明の第1の実施の形態における誘導加熱調理器の裏面図を、図3は本発明の第1の実施の形態における同誘導加熱調理器の内部を示す天板と本体上部の部品を外した平面図を、図4は本発明の第1の実施の形態における誘導加熱調理器の内部を示す天板を外した斜視図を、図5は本発明の第1の実施の形態における同誘導加熱調理器の本体上部の裏面図を、図6は本発明の第1の実施の形態における本誘導加熱調理器の本体上部の側面図を示すものである。
(Embodiment 1)
FIG. 1 is a perspective view of an induction heating cooker according to the first embodiment of the present invention, FIG. 2 is a rear view of the induction heating cooker according to the first embodiment of the present invention, and FIG. The top view which shows the inside of the same induction heating cooking appliance in 1st Embodiment, and the top view which removed the part of the main body upper part, FIG. 4 shows the inside of the induction heating cooking appliance in the 1st Embodiment of this invention. FIG. 5 is a rear view of the upper part of the main body of the induction heating cooker according to the first embodiment of the present invention, and FIG. 6 is a book according to the first embodiment of the present invention. The side view of the main body upper part of an induction heating cooking appliance is shown.
本実施の形態においては、調理具として、鍋形状のものに限定されるものではないが、これを代表例として以下説明する。 In the present embodiment, the cooking utensil is not limited to a pan-shaped one, but this will be described below as a representative example.
図1において、11は天板、12は天板11を天部に取り付けた樹脂製の本体上部、13は本体上部2と組み合わされ本体を構成する樹脂製の本体下部である。 In FIG. 1, 11 is a top plate, 12 is an upper part of a resin main body with the top plate 11 attached to the top, and 13 is a lower part of a resin main body which is combined with the upper part 2 of the main body to constitute the main body.
図2において、14は本体下部13に設けた吸気口、15は本体下部13に設けた排気口である。 In FIG. 2, reference numeral 14 denotes an intake port provided in the main body lower portion 13, and reference numeral 15 denotes an exhaust port provided in the main body lower portion 13.
図3及び図4において、16は本体下部13内に設けた電気回路を構成したプリント基板、17は本体下部13内に設けた冷却ファンである。18は天板11の裏面に位置して設けた誘導加熱コイルであり、誘導加熱コイル18は19のコイルホルダーに取り付けられ、上から20の固定部で固持されている。コイルホルダー19は本体下部13に取り付けられている。 3 and 4, reference numeral 16 denotes a printed circuit board constituting an electric circuit provided in the main body lower portion 13, and reference numeral 17 denotes a cooling fan provided in the main body lower portion 13. Reference numeral 18 denotes an induction heating coil provided on the back surface of the top plate 11. The induction heating coil 18 is attached to a 19 coil holder and is held by 20 fixed portions from above. The coil holder 19 is attached to the lower part 13 of the main body.
図5及び図6において、本体上部12には21のリブが設けてある。 5 and 6, the main body upper portion 12 is provided with 21 ribs.
以上のように構成された誘導加熱調理器について、以下その動作、作用を説明する。 About the induction heating cooking appliance comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
まず、天板11上に置かれる鍋等を誘導加熱する際、プリント基板16が駆動されると、誘導加熱コイル18に電流が流れ、磁界を発生する。その際、プリント基板16の電子部品と誘導加熱コイル18は、自己発熱する。それと同時に冷却ファン17が駆動する。 First, when induction heating a pan or the like placed on the top plate 11, when the printed circuit board 16 is driven, a current flows through the induction heating coil 18 to generate a magnetic field. At that time, the electronic components of the printed circuit board 16 and the induction heating coil 18 self-heat. At the same time, the cooling fan 17 is driven.
冷却ファン17が駆動すると、本体下部12に設けた吸気口から外気を本体内に吸引して、本体内に送風を流す。 When the cooling fan 17 is driven, outside air is sucked into the main body from an air inlet provided in the lower portion 12 of the main body, and air is blown into the main body.
ここで、本体内には冷却が必要な部品はいくつかあるので、冷却ファン17から吹き出す送風は分流して本体内を流れる。そして冷却が必要な部品に触れながら送風が流れ、送風の空気と自己発熱している部品とが熱交換されながら、送風の風は温度を上昇しながら、幅広い排気口に各々到達して、排気口の穴から本体外に吹き出される。 Here, since there are some parts that need cooling in the main body, the air blown from the cooling fan 17 is divided and flows in the main body. Then, the air flows while touching the parts that need to be cooled, and the air of the air and the self-heating parts exchange heat, while the air of the air reaches each of the wide exhaust ports while raising the temperature. It is blown out of the body through the hole in the mouth.
ここで、冷却される部品は全て同じ温度でなく、送風される風速や風量も一定でないので、排気口から排気される送風の温度は排気口の位置で異なっている。 Here, since the parts to be cooled are not all at the same temperature, and the speed and amount of air to be blown are not constant, the temperature of the air blown from the exhaust port differs depending on the position of the exhaust port.
特に誘導加熱をさせるためのIGBTと誘導加熱コイルの自己発熱は高い。IGBTには冷却用のフィンを設けるのが一般的であり、フィンを大きくして設けたり、フィンに流れる風量を増やすことで、送風の温度上昇を抑えることができる。 In particular, the self-heating of the IGBT for induction heating and the induction heating coil is high. The IGBT is generally provided with cooling fins, and by increasing the fins or increasing the amount of air flowing through the fins, an increase in the temperature of the air can be suppressed.
しかし、誘導加熱コイルは天板11上に置かれる鍋との距離を増やすと電力が低下するので、距離を増やすことができず、天板の下面と誘導加熱コイルの上面との隙間が少ししかなく、そこに流れる送風も増やすのに限界があり、送風の温度が非常に上昇する。 However, since the power decreases when the distance between the induction heating coil and the pan placed on the top plate 11 is increased, the distance cannot be increased, and there is little gap between the lower surface of the top plate and the upper surface of the induction heating coil. In addition, there is a limit to increasing the amount of air flowing there, and the temperature of the air increases very much.
そして、誘導加熱コイル上を流れる送風はその後排気口に到達した際、本体上部のリブ21により、流れる向きを変えられ、誘導加熱コイル上やIGBT及びフィンに触れずに流れる送風と混じり合い、温度を低下しながら排気口から出されるので、排気口からの吹き出し温度を下げることができる。 Then, when the airflow that flows on the induction heating coil reaches the exhaust port thereafter, the flow direction is changed by the rib 21 on the upper part of the main body, and the airflow that flows without touching the induction heating coil, IGBT, and fins is mixed with the temperature. Since the air is discharged from the exhaust port while lowering the temperature, the temperature at which the air is discharged from the exhaust port can be lowered.
(実施の形態2)
図7は本発明の第2の実施の形態における誘導加熱調理器を示す天板と本体上部の部品を外した斜視図を、図8は本発明の第2の実施の形態における誘導加熱調理器の背面図を示すものである。
(Embodiment 2)
FIG. 7 is a perspective view of the induction heating cooker according to the second embodiment of the present invention with the top plate and the upper part of the main body removed, and FIG. 8 is the induction heating cooker according to the second embodiment of the present invention. The rear view of is shown.
実施の形態1と同一名称で同一符号は形状や機能等は全く同一のものである。 The same names and the same symbols as those of the first embodiment are the same in shape and function.
図7において、30は冷却ファン17からの送風のなかで誘導加熱コイル18上を流れる送風Aである。31は冷却ファン17からの送風のなかで誘導加熱コイル19やプリント基板16上を流れない送風Bである。 In FIG. 7, reference numeral 30 denotes a blower A that flows on the induction heating coil 18 in the blown air from the cooling fan 17. Reference numeral 31 denotes a blower B that does not flow on the induction heating coil 19 or the printed circuit board 16 in the blown air from the cooling fan 17.
32は冷却ファン17からの送風のなかで誘導加熱コイル19の下方を流れ、プリント基板16上を流れる送風Cである。 Reference numeral 32 denotes air blow C that flows under the induction heating coil 19 in the air blow from the cooling fan 17 and flows over the printed circuit board 16.
35は排気口15のH部であり、36は排気口15のJ部であり、37は排気口15のK部である。38は排気口15のL部である。 35 is an H portion of the exhaust port 15, 36 is a J portion of the exhaust port 15, and 37 is a K portion of the exhaust port 15. Reference numeral 38 denotes an L portion of the exhaust port 15.
39は排気口15のJ部の孔部であり、孔のデザインは設けながら、薄肉の樹脂で穴を閉じた孔部である。 Reference numeral 39 denotes a hole portion of the J portion of the exhaust port 15, which is a hole portion closed with a thin resin while providing a hole design.
以上のように構成された誘導加熱調理器について、以下その動作、作用を説明する。 About the induction heating cooking appliance comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
冷却ファン17により、本体外部から本体内に吸気された空気は大きく、送風A30、送風B31、送風C32に分流して、本体内を流れる。送風A30は誘導加熱コイル18上を流れて、排気口15に近づく際にはもっとも温度が高くなっている。また送風B31は排気口15に近づく際には一番温度上昇が少ない。 The air sucked into the main body from the outside of the main body by the cooling fan 17 is large and is divided into the air blow A30, the air blow B31, and the air blow C32 and flows in the main body. The air blower A30 flows on the induction heating coil 18 and has the highest temperature when approaching the exhaust port 15. Further, when the blower B31 approaches the exhaust port 15, the temperature rise is the smallest.
ここで、送風Cはプリント基板16の電子部品の冷却をしながら、排気口15のH部から本体外部に吹き出す。 Here, the air blow C blows out from the H portion of the exhaust port 15 to the outside of the main body while cooling the electronic components of the printed circuit board 16.
送風B31は少しが排気口15のL部38から吹き出し、その他は排気口15のK部37から吹き出す。 A little of the air blow B31 is blown out from the L portion 38 of the exhaust port 15, and the other is blown out from the K portion 37 of the exhaust port 15.
このとき、送風A30も排気口15に近づいたときに本体上部12のリブ21により風向きが変わり、送風B31と混じって、排気口15のK部37から本体外部に吹き出る。ここで、排気口15のJ部36は閉じた孔部39にしているので、送風A30と送風B31が混じり合う際に、送風A30の熱風の一部がJ部36から吹き出るのを無くすことができる。 At this time, when the air blower A30 also approaches the exhaust port 15, the direction of the wind is changed by the rib 21 of the main body upper portion 12, mixed with the blower B31, and blown out from the K portion 37 of the exhaust port 15 to the outside of the main body. Here, since the J portion 36 of the exhaust port 15 is a closed hole portion 39, when the air blow A30 and the air blow B31 are mixed, it is possible to eliminate a part of the hot air of the air blow A30 from the J portion 36. it can.
また、J部36からの吹き出し量が増える分、L部38からの吹き出し量を調整して整流することができる。 Further, since the amount of blowout from the J portion 36 increases, the amount of blowout from the L portion 38 can be adjusted and rectified.
以上のように、本発明にかかる誘導加熱調理器は、容易な方法で排気温度を低減し不快感を解消することができる。 As described above, induction heating cooker that written to the present invention reduces the exhaust gas temperature in easy way it is possible to eliminate discomfort.
11 天板
12 本体上部
13 本体下部
14 吸気口
15 排気口
16 プリント基板
17 冷却ファン
18 誘導加熱コイル
19 コイルホルダー
20 固定部
21 リブ
DESCRIPTION OF SYMBOLS 11 Top plate 12 Main body upper part 13 Main body lower part 14 Intake port 15 Exhaust port 16 Printed circuit board 17 Cooling fan 18 Induction heating coil 19 Coil holder 20 Fixing part 21 Rib
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JP2006110660A JP4251191B2 (en) | 2006-04-13 | 2006-04-13 | Induction heating cooker |
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JP2006110660A JP4251191B2 (en) | 2006-04-13 | 2006-04-13 | Induction heating cooker |
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JP4251191B2 true JP4251191B2 (en) | 2009-04-08 |
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