JPH03276592A - Induction-heated cooker - Google Patents
Induction-heated cookerInfo
- Publication number
- JPH03276592A JPH03276592A JP7783290A JP7783290A JPH03276592A JP H03276592 A JPH03276592 A JP H03276592A JP 7783290 A JP7783290 A JP 7783290A JP 7783290 A JP7783290 A JP 7783290A JP H03276592 A JPH03276592 A JP H03276592A
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- sensor
- case
- temperature
- sensor case
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 229920006015 heat resistant resin Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は温度センサーの取付手段を設けた誘導加熱調理
器に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an induction heating cooker provided with mounting means for a temperature sensor.
近・年、調理用として誘導加熱調理器が普及されてきて
いる。In recent years, induction heating cookers have become popular for cooking.
従来の技術
従来この種の誘導加熱調理器について第５図を参照しな
がら説明する。図に示すように平板状の結晶化ガラスよ
りなるトッププレート１上に載置された鍋体２を、加熱
コイル３から発せられる高周波交番磁界により加熱し、
また鍋体２の温度を一定に保つために、トッププレート
１裏面に接してサーミスタ等の温度センサー４を設け、
このサーミスタでの検知レベルと予め定められた設定レ
ベルとを比較して高周波交番磁界出力を制御するものが
ケース本体６内に設けられていた。2. Description of the Related Art A conventional induction heating cooker of this type will be described with reference to FIG. As shown in the figure, a pot body 2 placed on a top plate 1 made of flat crystallized glass is heated by a high frequency alternating magnetic field emitted from a heating coil 3.
In addition, in order to keep the temperature of the pot body 2 constant, a temperature sensor 4 such as a thermistor is provided in contact with the back surface of the top plate 1.
The case body 6 was provided with something that compared the detection level of the thermistor with a predetermined setting level and controlled the output of the high frequency alternating magnetic field.
発明が解決しようとする課題
このような従来の誘導加熱調理器の構成ではトッププレ
ート１の反りや裏面の凹凸状態により温度センサー４と
の接触状顔が異なり鍋体２の正確な温度が検出できない
。またトッププレート１を形成する結晶化ガラスと鍋体
２を形成する各種磁性金属との熱伝導率が異なるために
、特に通電初期においてに温度センサー４よりも鍋体２
の温度が急速に上昇してその結果鍋体２の設定温度より
も極めて高い温度まで鍋体２が加熱される恐れがあった
。このために鍋体２表面に加工された、たとえば弗素樹
脂層の熱劣化を促進したり、鍋体の熱変形が生じる等の
問題があった。Problems to be Solved by the Invention In the configuration of such a conventional induction heating cooker, the contact surface with the temperature sensor 4 differs due to the warpage of the top plate 1 and the unevenness of the back surface, making it impossible to accurately detect the temperature of the pot body 2. . Furthermore, since the thermal conductivity of the crystallized glass forming the top plate 1 and the various magnetic metals forming the pot body 2 are different, the temperature sensor
There was a possibility that the temperature of the pot body 2 would rise rapidly, and as a result, the pot body 2 would be heated to a temperature extremely higher than the set temperature of the pot body 2. For this reason, there have been problems such as promoting thermal deterioration of, for example, a fluororesin layer processed on the surface of the pot body 2, and causing thermal deformation of the pot body.
本発明は上記課題を解決するもので、成型性の優れた材
料よりなるトッププレートを用い正確に鍋体の温度を検
出するとともにこのトッププレートの温度過昇を防止す
る温度センサーの取付手段を設けた誘導加熱調理器を提
供することを第１の目的としている。また、第２の目的
は組立が簡単で確実な温度センサーの取付手段を設けた
誘導加熱調理器を提供することにある。The present invention is intended to solve the above problems, and uses a top plate made of a material with excellent moldability to accurately detect the temperature of the pot body, and is provided with a means for attaching a temperature sensor to prevent the temperature of the top plate from rising excessively. The first object of the present invention is to provide an induction heating cooker. A second object of the present invention is to provide an induction heating cooker that is easy to assemble and is provided with reliable temperature sensor mounting means.
課題を解決するだめの手段
本発明は上記第１の目的を達成するために、第１の手段
は鍋体が載ｌされる、成型可能な材料よりなるトッププ
レートと、このトッププレートの下面に配設され前記鍋
体を加熱する加熱コイルと、前記鍋体を支持する支持体
と、前記加熱コイルによる加熱状態を検出する温度セン
サーと、この温度センサーを内蔵し、外周面に環状リブ
を設けた円筒状のセンサーケースと、前記温度センサー
を上方に付勢するスプリングとを備え、前記センサーケ
ースの上面がトッププレートの表面と同一面になるよう
に前記トッププレートでセンサーケースの外周面を一体
に成型したものである。また第２の目的を達成するため
に、第２の手段はセンサーケースの外周面に複数個の孔
を設け、この孔に係止される突起部を有する受け板を前
記センサーケースに圧入して、スプリングを支持したも
のである。Means for Solving the Problems In order to achieve the first object of the present invention, the first means includes a top plate made of a moldable material on which a pot body is placed, and a bottom surface of the top plate. A heating coil disposed to heat the pot body, a support body supporting the pot body, a temperature sensor detecting a heating state by the heating coil, the temperature sensor being built in, and an annular rib provided on the outer peripheral surface. a cylindrical sensor case, and a spring that biases the temperature sensor upward; It is molded into. In order to achieve the second object, the second means includes providing a plurality of holes in the outer circumferential surface of the sensor case, and press-fitting a receiving plate having a protrusion that is locked into the holes into the sensor case. , supported by a spring.
作用
本発明の第１の作用は、上記構成により、鍋体の裏面温
度を直接温度センサーで検出されるように、トッ７’７
’ｌｚ−トと一体にセンサーケースヲ成型したもので、
またこの温度センサーはトッププレートの温度過昇防止
装置として作用する。またセンサーケースに外力が加わ
っても外周面に投けた環状リブによりセンサーケースの
脱落が防止される。Effect The first effect of the present invention is that the above configuration allows the top 7'7 to directly detect the temperature of the back surface of the pot body with the temperature sensor.
The sensor case is molded integrally with the 'lz-to.
This temperature sensor also acts as a device to prevent excessive temperature rise of the top plate. Furthermore, even if an external force is applied to the sensor case, the annular ribs on the outer circumferential surface prevent the sensor case from falling off.
第２の作用はセンサーケースに係止される受け板により
温度センサーがスプリングを介して支持されるため、簡
単な構成で確実に温度センサーがトッププレートに取付
可能となる。The second effect is that the temperature sensor is supported via a spring by the receiving plate that is locked to the sensor case, so the temperature sensor can be reliably attached to the top plate with a simple configuration.
実施例
以下１本発明の第１実施例を第１図および第２図を参照
しながら説明する。Embodiment 1 A first embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
図に示すように、磁性金属よりなる鍋体１１と、ケース
本体１２の上面にポリフェニレンサルファイド樹脂より
なる耐熱樹脂製のトッププレート１３が接着固定され、
中央には下方に突出するボス部１４が一体に形成されて
いる。そして、トッププレート１３の下方には加熱コイ
ル１５を設は高周波交番電流を流して加熱コイル１６に
交番磁界を発生させ前記鍋体１１を誘導加熱するもので
。As shown in the figure, a heat-resistant resin top plate 13 made of polyphenylene sulfide resin is adhesively fixed to the upper surface of a pot body 11 made of magnetic metal and a case body 12.
A boss portion 14 projecting downward is integrally formed in the center. A heating coil 15 is provided below the top plate 13, and a high-frequency alternating current is passed through the heating coil 16 to generate an alternating magnetic field to heat the pot body 11 by induction.
前記加熱コイル１５は支持体１６に接着され、前記加熱
コイル１６の上下面を冷却する冷却ファン１７が設けら
れている。また、サーミスタ等の温度センサー１８をセ
ンサーケース１９に内蔵し、このセンサーケース１９は
円筒状にしてこの外周面には環状リブ２ｏを設け、この
環状リブ２０を被うように前記トッププレート１３のボ
ス部１４と一体に成型されている。このときトッププレ
ート１３上面と前記センサ−ケース１９上面は同一面に
なるように成型される。また前記温度センサー１８は円
板２１を介してスプリング２２により上方に付勢され、
このスプリング２２は前記支持体１６により支持されて
いる。２３はまた、ケース本体１２には操作基板２３お
よび操作パネル２４を設け、ケース２６には吸気孔２６
が設けられている。The heating coil 15 is bonded to a support 16, and a cooling fan 17 is provided to cool the upper and lower surfaces of the heating coil 16. Further, a temperature sensor 18 such as a thermistor is built into a sensor case 19, and the sensor case 19 has a cylindrical shape and has an annular rib 2o on its outer peripheral surface. It is molded integrally with the boss portion 14. At this time, the upper surface of the top plate 13 and the upper surface of the sensor case 19 are molded to be on the same plane. Further, the temperature sensor 18 is urged upward by a spring 22 via a disk 21,
This spring 22 is supported by the support body 16. 23 is also provided with an operation board 23 and an operation panel 24 on the case body 12, and an intake hole 26 on the case 26.
is provided.
上記構成において、鍋体１１裏面がケース本体１２に一
体に設けたセンサ−ケース１９上面と接触して載置され
、センサーケース１９に内蔵された温度センサーにより
、鍋体の温度を検出する。In the above configuration, the back surface of the pot body 11 is placed in contact with the top surface of a sensor case 19 provided integrally with the case body 12, and the temperature of the pot body is detected by a temperature sensor built in the sensor case 19.
また鍋体１１がオ・−バーヒートしてトッププレート１
３が鍋体１１の熱伝導により過熱されても動作して、ト
ッププレー１・１３の過昇温度防止装置の役目をする。Also, the pot body 11 is overheated and the top plate 1
Even if the top plate 3 is overheated due to the heat conduction of the pot body 11, it operates and serves as an over-temperature prevention device for the top plate 1 and 13.
またセンサーケース１９は、この外周に設けた環状リブ
２ｏにより堅個にトッププレート１３と一体に成型され
容易に脱落することがない。本発明ではこの環状リブ２
０を外周面に対して凸状としたが凹状リブでもよい。Further, the sensor case 19 is molded firmly and integrally with the top plate 13 due to the annular rib 2o provided on the outer periphery, so that it will not easily fall off. In the present invention, this annular rib 2
0 has a convex shape with respect to the outer circumferential surface, but a concave rib may also be used.
次に第２実施例について第３図および第４図を参照しな
がら説明する。図に示すようにセンサーケース２７の外
周面には複数個の孔２８を設け、この孔２８に係合する
突起部２９を有する受け板３０とよりなるもので、その
他の構成は第１の実施例と同じであるので同一の番号を
付けて詳細な説明は省略する。この構成では、センサー
ケース２７に圧入係止された受け板３０によりスプリン
グ２２が支持されているため、ケース本体１２とトップ
プレート１３の組立は温度センサー１８の結線のみでよ
く、簡単におこなえるものである。Next, a second embodiment will be described with reference to FIGS. 3 and 4. As shown in the figure, a plurality of holes 28 are provided on the outer peripheral surface of the sensor case 27, and the receiving plate 30 has a protrusion 29 that engages with the holes 28.The other configuration is the same as that of the first embodiment. Since it is the same as the example, the same number will be assigned and detailed explanation will be omitted. In this configuration, since the spring 22 is supported by the receiving plate 30 that is press-fitted into the sensor case 27, assembly of the case body 12 and the top plate 13 can be easily performed by simply connecting the temperature sensor 18. be.
このように本発明の第１実施例の誘導加熱調理器によれ
ば、温度センサー１８が鍋体１１裏面の温度を直接検出
し、さらにトッププレート１３の温度過昇時にも動作す
るもので、鍋体１１の温度を正確に検出するとともに、
トッププレート１３が熱可塑性の耐熱性樹脂であっても
安全である。As described above, according to the induction heating cooker of the first embodiment of the present invention, the temperature sensor 18 directly detects the temperature on the back surface of the pot body 11, and also operates when the temperature of the top plate 13 rises too much. While accurately detecting the temperature of the body 11,
It is safe even if the top plate 13 is made of thermoplastic heat-resistant resin.
またセンサーケース１９に環状リブ２０等の凹凸部を形
成することによυ、センサ−ケース１９上面に外力が加
わっても脱落することはない。またこのセンサ−ケース
１９上面はトッププレート１３と同一面にあり、外観や
手入れ性を損なうものではない。また５第２実施例の誘
導加熱調理器によれば、センサーケースに設けた孔に係
合する受け板により、温度センサー１８がスプリング２
２を介して支持されるようにしたため、組立が簡単にし
て確実に温度センサー１８をトッププレート１３に固定
することができるものである。Furthermore, by forming the uneven parts such as the annular ribs 20 on the sensor case 19, the sensor case 19 will not fall off even if an external force is applied to the upper surface thereof. Further, the upper surface of this sensor case 19 is on the same surface as the top plate 13, so that the appearance and ease of maintenance are not impaired. Further, according to the induction heating cooker of the second embodiment, the temperature sensor 18 is connected to the spring 2 by the receiving plate that engages with the hole provided in the sensor case.
Since the temperature sensor 18 is supported through the top plate 2, assembly is simple and the temperature sensor 18 can be reliably fixed to the top plate 13.
発明の効果
以上の実施例から明らかなように、成型性の浸れた材料
よりなるトッププレートを用い、正確に鍋体の温度を検
出することができるとともに、温度センサーが簡単で確
実に取り付けられる誘導加熱調理器を提供できる。Effects of the Invention As is clear from the above embodiments, the temperature of the pot body can be accurately detected by using a top plate made of a moldable material, and the temperature sensor can be easily and reliably attached to the induction plate. We can provide heating cookers.
第１図は本発明の第１実施例の誘導加熱調理器の一部破
断した断面図、第２図は同第１実施例の誘導加熱調理器
の要部断面図、第３図は同第２実施例の誘導加熱調理器
の要部断面図、第４図は同第２実施例の誘導加熱調理器
のセンサーケースの分解斜視図、第６図は従来の誘導加
熱調理器の断面図である。
１１・・・・・・鍋体、１２・・・・ケース本体、１３
・・・・トッププレート、１６・・・・・・加熱コイル
、１６・・・・・・支持体、１８“°゛°″゛温度セン
サー、１９ 、２７・・・・・センサーケース、２ｏ・
・・・・・環状リブ、２２・・・山スプリング、２８．
−°孔、２９・・・・・・突起部、３ｏ・・・・・・受
け板。FIG. 1 is a partially broken sectional view of an induction heating cooker according to a first embodiment of the present invention, FIG. 2 is a sectional view of a main part of the induction heating cooker according to the first embodiment, and FIG. FIG. 4 is an exploded perspective view of the sensor case of the induction cooking device of the second embodiment, and FIG. 6 is a sectional view of a conventional induction cooking device. be. 11... Pot body, 12... Case body, 13
... Top plate, 16 ... Heating coil, 16 ... Support, 18 "°゛°" Temperature sensor, 19 , 27 ... Sensor case, 2o.
...Annular rib, 22...Mountain spring, 28.
−° hole, 29... protrusion, 3o... receiving plate.
Claims (2)
プレートと、このトッププレートの下面に配設され前記
鍋体を加熱する加熱コイルと、前記鍋体を支持する支持
体と、前記加熱コイルによる加熱状態を検出する温度セ
ンサーと、この温度センサーを内蔵し、外周面に環状リ
ブを設けた円筒状のセンサーケースと、前記温度センサ
ーを上方に付勢するスプリングとを備え、前記センサー
ケースの上面がトッププレートの表面と同一面になるよ
うに前記トッププレートでセンサーケースの外周面を一
体に成型してなる誘導加熱調理器。(1) a top plate made of a moldable material on which a pot body is placed; a heating coil disposed on the lower surface of the top plate to heat the pot body; a support body supporting the pot body; The sensor includes a temperature sensor that detects the heating state by the heating coil, a cylindrical sensor case that houses the temperature sensor and has an annular rib on its outer peripheral surface, and a spring that biases the temperature sensor upward. An induction heating cooker in which the outer peripheral surface of the sensor case is integrally molded with the top plate so that the upper surface of the case is flush with the surface of the top plate.
の孔に係止される突起部を有する受け板を前記センサー
ケースに圧入して、スプリングを支持してなる請求項１
記載の誘導加熱調理器。(2) A plurality of holes are provided on the outer peripheral surface of the sensor case, and a receiving plate having a protrusion that is engaged with the hole is press-fitted into the sensor case to support the spring.
Induction heating cooker as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7783290A JP2870955B2 (en) | 1990-03-27 | 1990-03-27 | Induction heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7783290A JP2870955B2 (en) | 1990-03-27 | 1990-03-27 | Induction heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03276592A true JPH03276592A (en) | 1991-12-06 |
| JP2870955B2 JP2870955B2 (en) | 1999-03-17 |
Family
ID=13645018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7783290A Expired - Fee Related JP2870955B2 (en) | 1990-03-27 | 1990-03-27 | Induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2870955B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007115474A1 (en) * | 2006-04-10 | 2007-10-18 | Ming Yuan | An electromagnetic oven |
| CN110594802A (en) * | 2019-08-30 | 2019-12-20 | 嘉兴顾翔制冷设备有限公司 | Temperature sensing structure and method for electromagnetic oven |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206637671U (en) * | 2017-04-12 | 2017-11-14 | 上海纯米电子科技有限公司 | A kind of electromagnetic oven Noval temp.-control |
-
1990
- 1990-03-27 JP JP7783290A patent/JP2870955B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007115474A1 (en) * | 2006-04-10 | 2007-10-18 | Ming Yuan | An electromagnetic oven |
| CN110594802A (en) * | 2019-08-30 | 2019-12-20 | 嘉兴顾翔制冷设备有限公司 | Temperature sensing structure and method for electromagnetic oven |
| CN110594802B (en) * | 2019-08-30 | 2024-01-02 | 嘉兴顾翔制冷设备有限公司 | Temperature sensing structure and method for induction cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2870955B2 (en) | 1999-03-17 |
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