JP2528886Y2 - Electric stove - Google Patents
Electric stoveInfo
- Publication number
- JP2528886Y2 JP2528886Y2 JP1990093983U JP9398390U JP2528886Y2 JP 2528886 Y2 JP2528886 Y2 JP 2528886Y2 JP 1990093983 U JP1990093983 U JP 1990093983U JP 9398390 U JP9398390 U JP 9398390U JP 2528886 Y2 JP2528886 Y2 JP 2528886Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- temperature sensor
- resistant glass
- glass material
- electric stove
- 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.)
- Expired - Lifetime
Links
Landscapes
- Electric Stoves And Ranges (AREA)
- Control Of Resistance Heating (AREA)
- Resistance Heating (AREA)
Description
【考案の詳細な説明】 [産業上の利用分野] 本考案は,食べ物などを加熱するために用いられる電
気コンロに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to an electric stove used for heating food and the like.
[従来の技術] 従来,例えば,第4図に示すような電気輻射ヒータユ
ニットが開示されている(特公平1−55556号公報)。[Prior Art] Conventionally, for example, an electric radiant heater unit as shown in FIG. 4 has been disclosed (Japanese Patent Publication No. 1-55556).
第4図に示すように,この種の電気コンロのヒータユ
ニットは,ベース104を含む金属製の皿102を備えてい
る。側部106には,熱絶縁体,典型的にはセラミックフ
ァイバー材の周囲壁が位置している。また,ベース104
に形成された溝の中には,典型的にはこれもセラミック
ファイバー材製の分割壁114によって,互いに分離され
たコイル110および112の形の2つの実質的に同じ中心の
電気ヒータ素子がセットされている。As shown in FIG. 4, a heater unit of this type of electric stove includes a metal dish 102 including a base 104. Located on the side 106 is a peripheral wall of a thermal insulator, typically a ceramic fiber material. In addition, base 104
Two substantially co-central electric heater elements, in the form of coils 110 and 112, which are separated from each other, typically by a dividing wall 114 also made of ceramic fiber material, Have been.
更に,熱的カットアウト装置122はこれらの上方に延
在して加熱時に両コイルのスイッチを切るように作用す
る。Further, the thermal cutout device 122 extends above them and serves to switch off both coils during heating.
各コイルは端子コネクタ118および120によって独立し
て制御することができる。比較的小さなコイル110およ
び114によって単独で加熱することができる。更に,大
きな同様の器具もまた,両方のコイル110および112によ
っても加熱することができるように構成されている。Each coil can be independently controlled by terminal connectors 118 and 120. The relatively small coils 110 and 114 can be heated independently. In addition, large similar appliances are also configured to be heated by both coils 110 and 112.
各コイルは,何も保護はなく,ステープル115によっ
てベース104に固定されている。熱的カットアウト装置1
16は,差動膨脹型の温度センサで構成され,ある長さの
インコネルワイヤ129を含む石英管128を備えている。加
熱が続くと差動膨脹が機械的スイッチ122を作動させ
て,両コイル110および112への電源を切る。Each coil has no protection and is fixed to the base 104 by staples 115. Thermal cutout device 1
Reference numeral 16 denotes a differential expansion type temperature sensor, which includes a quartz tube 128 including an Inconel wire 129 having a certain length. As the heating continues, differential expansion activates mechanical switch 122, turning off power to both coils 110 and 112.
カットアウト装置は,コイル110の上方にただ配置さ
れるだけでなく,確実に効力が発揮するようにする必要
があり,コイル112から熱的に絶縁されていなければな
らない。したがって,コイル110によって加熱される領
域は,このコイル110が石英管128の有効な全有効長に渡
って影響を与えるように延在されている。The cut-out device must not only be placed above the coil 110 but must also be effective and must be thermally insulated from the coil 112. Thus, the area heated by coil 110 extends such that coil 110 affects the entire effective length of quartz tube 128.
一方,温度感知機には,第5図に示すものが提案され
ている(特開昭62−165823号公報)。On the other hand, a temperature sensor as shown in FIG. 5 has been proposed (JP-A-62-165823).
第5図に示すように,温度感知機は絶縁本体152内に
配置された信号スイッチ154および遮断機155を有する。
更に,棒状の直線温度感知部材156を有し,外管157内に
配された内部棒状部材158から構成されている。また,
伝達部材159はU字型の剛性が極めて大きな湾曲部材ま
たは橋状部材として湾曲部材の脚部175,176はこれらを
貫通するボルト状の中間部材179,186で支持されてい
る。U字部材の脚部176はバネ190により下方に付勢され
ている。この中間部材179の内側は,スナップバネ165を
有するスイッチ154および作動位置とそれぞれに対向し
て形成された作動部材182が形成されており,一方の中
間部材186は,作動部材180を形成しておりスナップバネ
166を有する遮断機155の作動位置とばね材188を介して
接続される。As shown in FIG. 5, the temperature sensor has a signal switch 154 and a circuit breaker 155 disposed in an insulating body 152.
Further, it has a rod-shaped linear temperature sensing member 156, and is constituted by an internal rod-shaped member 158 disposed inside the outer tube 157. Also,
The transmission member 159 is a U-shaped curved member or a bridge member having extremely large rigidity, and the leg portions 175 and 176 of the curved member are supported by bolt-shaped intermediate members 179 and 186 penetrating therethrough. The leg 176 of the U-shaped member is urged downward by a spring 190. Inside the intermediate member 179, a switch 154 having a snap spring 165 and an operating member 182 formed opposite to the operating position are formed, and one intermediate member 186 forms an operating member 180. Cage snap spring
It is connected via a spring member 188 to the operating position of the circuit breaker 155 having 166.
温度が上がると圧力棒として形成された内部棒状部材
158が外管157に対して相対的に短縮されるので,信号ス
イッチ154は閉じ,これにより図示しない光学的または
類似の加熱指示により接続され,この指示は,調理ユニ
ット等に触ってはならないことを指示する。更に,温度
が上がると作動部材180は作動位置181から引き離され,
最後に最高設定温度で遮断機155が開き,これにより暖
房が中断される。2つの開閉点の調整は中心軸168上に
ある調整部材162,184を介して行われるものである。Internal rod shaped as pressure bar when temperature rises
Since the 158 is shortened relative to the outer tube 157, the signal switch 154 is closed, thereby connecting by an optical or similar heating instruction (not shown), which must not touch the cooking unit or the like. Instruct. Further, when the temperature rises, the operating member 180 is pulled away from the operating position 181 and
Finally, the circuit breaker 155 opens at the highest set temperature, thereby interrupting the heating. The adjustment of the two opening / closing points is performed via adjustment members 162 and 184 on the center axis 168.
[考案が解決しようとする課題] しかし,従来例で示した電気コンロを用い,この上面
に,耐熱ガラス材を設けたタイプのものにおいては,温
度を感知するための温度センサが加熱体付近の空間部の
温度を検出しているので,調理用鍋が載置された耐熱ガ
ラス体の表面のみの温度を検出しているわけではなく,
その検出精度も十分であるとは言い難い。[Problem to be solved by the invention] However, in the case of using the electric stove shown in the conventional example and providing a heat-resistant glass material on the upper surface, a temperature sensor for sensing temperature is provided near the heating element. Since the temperature of the space is detected, the temperature of only the surface of the heat-resistant glass body on which the cooking pot is placed is not detected.
It is hard to say that the detection accuracy is sufficient.
そこで,本考案の技術的課題は,調理鍋を載置する耐
熱ガラス材を有する電気コンロにおいて,耐熱ガラス材
表面の温度を正確に検出することができるセンサを有す
る電気コンロを提供することにある。Therefore, a technical problem of the present invention is to provide an electric stove having a sensor capable of accurately detecting the temperature of the surface of a heat-resistant glass material in an electric stove having a heat-resistant glass material on which a cooking pot is placed. .
[課題を解決するための手段] 本考案によれば、上面が開口された窪みを有する断熱
体と、前記窪みに配置され、通電されて発熱する加熱体
と、前記加熱体に近傍に配置された温度センサと、前記
断熱体の開口を封じるように設けた透過性の耐熱ガラス
材とを有する電気コンロにおいて、前記温度センサを外
側底面で接合した保護パイプと、該保護パイプ内に設け
た筒体と、該筒体を前記耐熱ガラス材に向かって付勢し
たコイルスプリングとを有し、前記温度センサの一端を
前記耐熱ガラス材に熱伝導材料を介して密着するように
配するとともに、前記温度センサの一端を前記加熱体か
ら前記断熱体を介在させて隔離したことを特徴とする電
気コンロが得られる。[Means for Solving the Problems] According to the present invention, a heat insulator having a depression having an open upper surface, a heating element which is disposed in the depression and is energized and generates heat, and which is disposed in the vicinity of the heating element A temperature sensor, and an electric stove having a transparent heat-resistant glass material provided so as to seal the opening of the heat insulator, a protection pipe in which the temperature sensor is joined on an outer bottom surface, and a cylinder provided in the protection pipe. And a coil spring that urges the cylindrical body toward the heat-resistant glass material, and one end of the temperature sensor is disposed so as to be in close contact with the heat-resistant glass material via a heat conductive material, An electric stove characterized in that one end of the temperature sensor is isolated from the heating element by interposing the heat insulator therebetween.
[作用] 本考案の電気コンロにおいては,温度センサと加熱体
との間に断熱体の一部を位置させて断熱し,かつ,温度
センサの一端を耐熱ガラス材の一面に当接させたので,
耐熱ガラス面の温度を正確に測定することができる。[Operation] In the electric stove of the present invention, a part of the heat insulator is located between the temperature sensor and the heating element for heat insulation, and one end of the temperature sensor is in contact with one surface of the heat-resistant glass material. ,
The temperature of the heat-resistant glass surface can be accurately measured.
[実施例] 以下に本考案の実施例について図面を参照して説明す
る。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第1図は本考案の実施例に係る電気コンロを示す断面
図である。FIG. 1 is a sectional view showing an electric stove according to an embodiment of the present invention.
第1図において,電気コンロは,上面に開口部1を有
する外箱10と,この外箱10の開口部1に設けられた一枚
板状の耐熱ガラス材2と,この耐熱ガラス材20下面に配
置され,断熱材30と,この断熱材30の外側底部32を下方
から挿入して支持する開口を有する金属体5と,この金
属体5をバネ7を介して支持する支持体6とを備えてい
る。この断熱体30は窪み31を有する断熱材からなり,こ
の窪み31中にコイル状ヒータからなる加熱体が配されて
いる。そして,加熱体2および金属体5を貫通して,セ
ンサ部10がその一端を耐熱ガラス材20の一面に図示しな
い熱伝導性材料を介して圧接して設けられている。外箱
10の開口部1は,耐熱ガラス材20を挿入できるように,
開口寸法より狭い寸法の段部11を成して,この段部11の
最内側から下方に延在する内壁12を形成している。In FIG. 1, an electric stove includes an outer box 10 having an opening 1 on the upper surface, a single-plate heat-resistant glass material 2 provided in the opening 1 of the outer box 10, and a lower surface of the heat-resistant glass material 20. And a metal body 5 having an opening for inserting and supporting the outer bottom 32 of the heat insulating material 30 from below, and a support 6 for supporting the metal body 5 via a spring 7. Have. The heat insulator 30 is made of a heat insulating material having a depression 31, and a heating element including a coil heater is disposed in the depression 31. The sensor unit 10 is provided so as to penetrate the heating body 2 and the metal body 5, and one end of the sensor unit 10 is pressed against one surface of the heat-resistant glass material 20 via a heat conductive material (not shown). Outer case
The opening 1 of the 10 is provided so that the heat-resistant glass material 20 can be inserted.
A step portion 11 having a size smaller than the opening size is formed, and an inner wall 12 extending downward from the innermost side of the step portion 11 is formed.
また,断熱体30は,温度センサ50を設けた貫通孔33を
有し,この貫通孔33の周縁およびこの断熱体30の外周縁
が上方に突出し,その先端において耐熱ガラス材20に密
着する内側及び外側壁部34,35をなすように,この貫通
孔33の周縁部に沿ってリング状の窪み31が形成されてい
る。この窪み31の内側底部36に加熱体2が配置されてい
る。Further, the heat insulator 30 has a through hole 33 provided with a temperature sensor 50, and the peripheral edge of the through hole 33 and the outer peripheral edge of the heat insulator 30 project upward, and at the tip thereof, the inner side closely adheres to the heat-resistant glass material 20. A ring-shaped depression 31 is formed along the periphery of the through hole 33 so as to form the outer wall portions 34 and 35. The heating element 2 is arranged on the inner bottom 36 of the depression 31.
温度センサ50は,センサ保護パイプ51の外側底面に接
合されている。保護パイプ51内には,筒体52が設けら
れ,センサ支持棒54の一端がこの筒体52に収容され,他
端は耐熱ガラス材2に対向する外箱1の内箱底部に支持
される。このセンサ支持棒54には,コイルスプリング53
が挿通され,筒体52を耐熱ガラス材に向かって付勢す
る。The temperature sensor 50 is joined to the outer bottom surface of the sensor protection pipe 51. A cylindrical body 52 is provided in the protective pipe 51, one end of the sensor support rod 54 is housed in the cylindrical body 52, and the other end is supported by the bottom of the inner box of the outer box 1 facing the heat-resistant glass material 2. . The sensor support rod 54 has a coil spring 53
Is inserted to urge the cylindrical body 52 toward the heat-resistant glass material.
従って,センサ保護パイプ51に設けられた温度センサ
50は,筒体52とともに耐熱ガラス材20の一面21に向かっ
て,このスプリング53によって付勢され,耐熱ガラス材
20の一面21に温度測定面である一端50aが圧接される。Therefore, the temperature sensor provided in the sensor protection pipe 51
The spring 50 is urged by the spring 53 toward the one surface 21 of the heat-resistant glass material 20 together with the cylinder 52.
One end 50a, which is a temperature measurement surface, is pressed against one surface 21 of 20.
第2図は第1図の電気コンロの要部を示す部分断面図
である。FIG. 2 is a partial sectional view showing a main part of the electric stove of FIG.
第2図において,第1図で説明したように断熱体30
は,直径10mm程度大きさの貫通孔31内に直径8mm程度の
温度センサ50が配置されている。また,断熱体30は,耐
熱ガラス材20の一面21に向かって開口した窪み31を有し
ている。In FIG. 2, as described with reference to FIG.
Has a temperature sensor 50 having a diameter of about 8 mm disposed in a through hole 31 having a diameter of about 10 mm. Further, the heat insulator 30 has a depression 31 opened toward the one surface 21 of the heat-resistant glass material 20.
更に,この断熱材3は,外側に外側に厚さ10mm程度の
マイクロサーム37およびこのマイクロサーム37の内側の
窪み側には,厚さ4mm程度のセラミックファイバー38と
を有する二重構造である。温度センサ50は外径4mm程度
の大きさで,センサ保護パイプは,8mm程度の大きさであ
り,この貫通孔33内に隙間を持って装着される。加熱体
2からの熱は,断熱体3の側壁34により遮断され放射も
しくは伝導せず,温度センサ50の一端には,密着する耐
熱ガラス材20の一面21の温度のみが正確に検出される。Further, the heat insulating material 3 has a double structure having a microtherm 37 having a thickness of about 10 mm on the outside and a ceramic fiber 38 having a thickness of about 4 mm on the concave side inside the microtherm 37. The temperature sensor 50 has a size of about 4 mm in outer diameter, and the sensor protection pipe has a size of about 8 mm, and is mounted in the through hole 33 with a gap. The heat from the heater 2 is cut off by the side wall 34 of the heat insulator 3 and does not radiate or conduct, and at one end of the temperature sensor 50, only the temperature of the one surface 21 of the heat-resistant glass material 20 which is in close contact is accurately detected.
第3図は第2図の温度センサの更に拡大した図であ
る。第3図において,耐熱ガラス材20に熱伝導性材料53
を介して温度センサ50が密着している。温度センサ50は
サーミスタ等の感温素子50bを含んでいる。熱伝導性材
料55は,電熱セメント,シリコン系のコンパウンド耐熱
性熱伝導の良い接着剤が使用できる。耐熱ガラス材20の
表面が凸凹を有するために,センサ部50のバネ部材53に
よってのみでは,完全に密着することができないので,
温度センサ50によって表面温度差が生じる。FIG. 3 is a further enlarged view of the temperature sensor of FIG. In FIG. 3, a heat conductive material 53 is added to a heat resistant glass material 20.
The temperature sensor 50 is in close contact with the temperature sensor 50. The temperature sensor 50 includes a temperature sensing element 50b such as a thermistor. As the heat conductive material 55, an electric heat cement or a silicon compound heat resistant adhesive having good heat conductivity can be used. Since the surface of the heat-resistant glass material 20 has irregularities, it cannot be completely adhered only by the spring member 53 of the sensor unit 50.
The temperature sensor 50 generates a surface temperature difference.
従って,温度センサ50と耐熱ガラス材20との間に耐熱
セメントを介在させることによって,密着性を高め,温
度測定部の温度の正確さを記すことができる。Therefore, by interposing the heat-resistant cement between the temperature sensor 50 and the heat-resistant glass material 20, it is possible to enhance the adhesiveness and to indicate the accuracy of the temperature of the temperature measuring section.
尚,本考案において,直接熱を検出する温度センサを
配したが,従来例と同様の構造の温度センサ又は温度感
知機を実施例と同様に,外箱底部13から耐熱ガラス材に
至る外箱内の空間に設けても,本考案と全くその効果に
おいて,変わることはない。Although a temperature sensor for directly detecting heat is provided in the present invention, a temperature sensor or a temperature sensor having the same structure as that of the conventional example is provided in the same manner as in the embodiment. Even if it is installed in the space inside, there is no change in the present invention and its effect at all.
[考案の効果] 以上述べたように,本考案によれば,熱透過性の耐熱
ガラス材の温度を加熱部に影響されることがなく正確な
温度検出が可能で,かつ温度センサを耐熱ガラス板と外
箱間の空間内で,断熱材外部に配置することにより,有
効な加熱断面積を温度センサの占める空間で減少させる
ことのない電気コンロを提供することができる。[Effects of the Invention] As described above, according to the present invention, the temperature of the heat-permeable heat-resistant glass material can be accurately detected without being affected by the heating unit, and the temperature sensor can be used as a heat-resistant glass material. By arranging it outside the heat insulating material in the space between the plate and the outer box, it is possible to provide an electric stove that does not reduce the effective heating cross-sectional area in the space occupied by the temperature sensor.
第1図は本考案の実施例に係る電気コンロを示す斜視
図,第2図は第1図の電気コンロの要部を示す部分断面
図,第3図は第2図の温度センサの拡大図,第4図は従
来の電気輻射ヒータユニットを示す図,第5図は従来の
温度感知機を示す図である。 図中,1…開口部,2…加熱体,20…ガラス材,30…断熱材,3
1…窪み,50…温度センサ,50a…温度センサの一端,50b…
感温素子,51…筒体,55…熱伝導性材料。1 is a perspective view showing an electric stove according to an embodiment of the present invention, FIG. 2 is a partial sectional view showing a main part of the electric stove of FIG. 1, and FIG. 3 is an enlarged view of the temperature sensor of FIG. FIG. 4 is a diagram showing a conventional electric radiation heater unit, and FIG. 5 is a diagram showing a conventional temperature sensor. In the figure, 1… Opening, 2… Heating body, 20… Glass material, 30… Insulation material, 3
1… dent, 50… temperature sensor, 50a… one end of temperature sensor, 50b…
Thermosensitive element, 51… Cylinder, 55… Thermal conductive material.
Claims (1)
前記窪みに配置され、通電されて発熱する加熱体と、前
記加熱体に近傍に配置された温度センサと、前記断熱体
の開口を封じるように設けた透過性の耐熱ガラス材とを
有する電気コンロにおいて、前記温度センサを外側底面
で接合した保護パイプと、該保護パイプ内に設けた筒体
と、該筒体を前記耐熱ガラス材に向かって付勢したコイ
ルスプリングとを有し、前記温度センサの一端を前記耐
熱ガラス材に熱伝導材料を介して密着するように配する
とともに、前記温度センサの一端を前記加熱体から前記
断熱体を介在させて隔離したことを特徴とする電気コン
ロ。A heat insulator having a depression having an open upper surface;
An electric stove having a heating element disposed in the depression and generating heat when energized, a temperature sensor disposed in the vicinity of the heating element, and a transparent heat-resistant glass material provided to seal an opening of the heat insulator. , Wherein the temperature sensor comprises: a protective pipe in which the temperature sensor is joined at an outer bottom surface; a cylinder provided in the protection pipe; and a coil spring biasing the cylinder toward the heat-resistant glass material. An electric stove, wherein one end of the temperature stove is disposed so as to be in close contact with the heat-resistant glass material via a heat conductive material, and one end of the temperature sensor is isolated from the heating body with the heat insulating body interposed therebetween.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990093983U JP2528886Y2 (en) | 1990-09-10 | 1990-09-10 | Electric stove |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990093983U JP2528886Y2 (en) | 1990-09-10 | 1990-09-10 | Electric stove |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0452394U JPH0452394U (en) | 1992-05-01 |
JP2528886Y2 true JP2528886Y2 (en) | 1997-03-12 |
Family
ID=31831581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990093983U Expired - Lifetime JP2528886Y2 (en) | 1990-09-10 | 1990-09-10 | Electric stove |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2528886Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022204359A1 (en) | 2022-05-03 | 2023-11-09 | E.G.O. Elektro-Gerätebau GmbH | Radiant heater and hob with a radiant heater |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6614007B1 (en) * | 1999-02-17 | 2003-09-02 | The Garland Group | Griddle plate with infrared heating element |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6129626A (en) * | 1984-07-20 | 1986-02-10 | Matsushita Electric Ind Co Ltd | Electric cooking heater |
-
1990
- 1990-09-10 JP JP1990093983U patent/JP2528886Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022204359A1 (en) | 2022-05-03 | 2023-11-09 | E.G.O. Elektro-Gerätebau GmbH | Radiant heater and hob with a radiant heater |
Also Published As
Publication number | Publication date |
---|---|
JPH0452394U (en) | 1992-05-01 |
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