JPH0446138B2 - - Google Patents
Info
- Publication number
- JPH0446138B2 JPH0446138B2 JP22308986A JP22308986A JPH0446138B2 JP H0446138 B2 JPH0446138 B2 JP H0446138B2 JP 22308986 A JP22308986 A JP 22308986A JP 22308986 A JP22308986 A JP 22308986A JP H0446138 B2 JPH0446138 B2 JP H0446138B2
- Authority
- JP
- Japan
- Prior art keywords
- container
- back plate
- heat
- generating member
- heat generating
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Cookers (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、一般家庭において蒸気を利用して食
品等を調理するスチーム調理器等の蒸気発生装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a steam generator such as a steam cooker that uses steam to cook foods in ordinary households.
従来の技術
一般に従来のスチーム調理器の蒸気発生装置
は、第４図に示すように、給水孔１と蒸気排出孔
２を有する円筒状の容器３にシーズヒータ状の発
熱体４をロウ付けした構成であつた。しかしなが
らこの構成では、発熱体４の部品コストやロウ付
けの加工コスト等が高く、そのため調理器全体の
コストに対し蒸気発生装置の部品コストが占める
割合は、かなり高いものであつた。このようなこ
とから蒸気発生装置をできるだけ安価にするた
め、電熱線を絶縁基材に巻装してなるスペースヒ
ータ式の発熱体を容器の底部に押圧した蒸気発生
装置が提案されている。BACKGROUND TECHNOLOGY In general, a conventional steam generator for a steam cooker, as shown in FIG. It was a composition. However, in this configuration, the parts cost of the heating element 4, the processing cost of brazing, etc. are high, and therefore the ratio of the parts cost of the steam generator to the cost of the entire cooking device is quite high. For this reason, in order to make the steam generator as inexpensive as possible, a steam generator has been proposed in which a space heater-type heating element made of a heating wire wrapped around an insulating base material is pressed against the bottom of a container.
発明が解決しようとする問題点
しかしながら、容器の底部にスペースヒータ式
の発熱体を押圧してなる蒸気発生装置において
は、加熱効率及び発熱体の耐久力の向上を保証す
るために、被加熱面と発熱体の当接密着強度及び
発熱体構成部品の積層密着強度を可能な限り良好
にして、空間層発生による電熱線自体の線温度上
昇を防止したり、発熱体の有効発熱面積を大きく
してＷ密度Ｗ／cm2を小さくし、電熱線の線温度を
低くしたり、放熱効果を大にして発熱体内部の熱
のこもりが防止できる構成が必要であつた。Problems to be Solved by the Invention However, in a steam generating device in which a space heater-type heating element is pressed against the bottom of a container, in order to ensure improvement in heating efficiency and durability of the heating element, it is necessary to The contact strength of the heating element and the lamination strength of the heating element components are made as good as possible to prevent the wire temperature of the heating wire itself from rising due to the generation of a space layer, and to increase the effective heating area of the heating element. Therefore, there was a need for a configuration that could reduce the W density W/cm 2 , lower the wire temperature of the heating wire, and increase the heat dissipation effect to prevent heat from accumulating inside the heating element.
本発明はこのような問題点を解決した蒸気発生
装置を提供することを目的とするものである。 An object of the present invention is to provide a steam generator that solves these problems.
問題点を解決するための手段
上記問題点を解決するために本発明は、周壁に
凹部を形成した容器と、この容器の下部に装着さ
れる発熱部材と、前記発熱部材を容器に押圧する
背面板とを有し、前記背面板に、前記発熱部材を
貫通する段部を形成し、この段部を前記容器の底
面に固着するとともに、背面板の周縁を容器周壁
の凹部に圧接したものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a container in which a recess is formed in the peripheral wall, a heat generating member attached to the lower part of the container, and a backing for pressing the heat generating member against the container. a face plate, a stepped portion penetrating the heat generating member is formed on the back plate, the stepped portion is fixed to the bottom surface of the container, and a peripheral edge of the back plate is pressed into contact with a recessed portion of the container peripheral wall. be.
作 用
上記構成によれば、背面板の段部を容器の底面
に固着するとともに、背面板の周縁を容器周壁の
凹部に圧接しているため、発熱部材の密着強度が
高められ、空間層発生による電熱線の線温度上昇
を防止できる。また背面板の周縁を容器周壁の凹
部に圧接して固定するようにしているため、例え
ば、スポツト溶接方式のように容器の溶接焼けに
よる孔食のおそれはなく、加工コストも安価にな
るものである。Effects According to the above configuration, the stepped portion of the back plate is fixed to the bottom of the container, and the periphery of the back plate is pressed into contact with the concave portion of the container peripheral wall, so the adhesion strength of the heat generating member is increased and a spatial layer is generated. It is possible to prevent the wire temperature of the heating wire from rising due to In addition, because the peripheral edge of the back plate is fixed by pressing into the recessed part of the container peripheral wall, there is no risk of pitting corrosion due to welding burns on the container, as is the case with spot welding, and the processing cost is also low. be.
実施例
以下、本発明の一実施例を図面に基づいて説明
する。第３図は本発明の蒸気発生装置を用いたス
チーム調理器の断面図を示したもので、この第３
図において、１０は調理器本体で、この調理器本
体１０には蒸気発生装置２０や、タンク台１１が
装着されている。蒸気発生装置２０とタンク台１
１はチユーブ１２で連結されている。１３は水タ
ンクで、この水タンク１３の下端には開口部１４
があり、この開口部１４には止水弁１５が備えら
れている。水タンク１３に水を入れ、タンク台１
１に載置すると、止水弁１５がタンク台１１の突
起１１ａで押し上げられて開口部１４を開口す
る。これにより、水タンク１３内の水が蒸気発生
装置２０内に導入され、水タンク１３の開口部１
４の水位まで溜まる。そして蒸気発生装置２０内
で発生した蒸気は、蒸気排出用のパイプ２８を通
つて調理庫内に排出される。Embodiment Hereinafter, an embodiment of the present invention will be described based on the drawings. Figure 3 shows a sectional view of a steam cooker using the steam generator of the present invention.
In the figure, 10 is a cooking device main body, and a steam generator 20 and a tank stand 11 are attached to this cooking device main body 10. Steam generator 20 and tank stand 1
1 are connected by a tube 12. 13 is a water tank, and the lower end of this water tank 13 has an opening 14.
This opening 14 is equipped with a water stop valve 15. Fill the water tank 13 with water, and tank stand 1
1, the water stop valve 15 is pushed up by the protrusion 11a of the tank stand 11 and opens the opening 14. As a result, the water in the water tank 13 is introduced into the steam generator 20, and the opening 1 of the water tank 13 is introduced into the steam generator 20.
It collects up to the water level of 4. The steam generated within the steam generator 20 is discharged into the cooking chamber through a steam discharge pipe 28.
次に蒸気発生装置２０の具体構成を第１図およ
び第２図に基づいて説明する。２１は下容器で、
この下容器２１は熱伝導が良好なステンレス材に
より上部が開口した円筒中空状に構成され、かつ
底部中央には上方に突出した突出部２２と給水孔
２３とを有し、さらに給水孔２３には下パイプ２
４が固着されている。また下容器２１の円筒部外
周には断面が半球状の凹部２５が全周に形成され
ている。２６は上容器で、この上容器２６はステ
ンレス材で前記下容器２１の上方開口を覆うよう
に円形皿状に構成され、かつ上面には蒸気排出孔
２７を設けて、この蒸気排出孔２７に上パイプ２
８を固着し、さらに下容器２１と上容器２６は周
縁を密着して折り重ねシーム溶接することによ
り、蒸気発生室２９を形成している。 Next, the specific configuration of the steam generator 20 will be explained based on FIG. 1 and FIG. 2. 21 is the lower container,
The lower container 21 is made of a stainless steel material with good thermal conductivity and has a hollow cylindrical shape with an open top, and has an upwardly protruding protrusion 22 and a water supply hole 23 at the center of the bottom. lower pipe 2
4 is fixed. Further, a recess 25 having a hemispherical cross section is formed around the entire periphery of the cylindrical portion of the lower container 21. Reference numeral 26 denotes an upper container, and the upper container 26 is made of stainless steel and has a circular dish shape so as to cover the upper opening of the lower container 21, and is provided with a steam exhaust hole 27 on its upper surface. Upper pipe 2
A steam generation chamber 29 is formed by fixing the lower container 21 and the upper container 26 at their peripheral edges, folding them together and seam-welding them.
３０は背面板で、この背面板３０は良熱伝導材
料により略凹形状に構成され、かつ中央には透孔
３１を有する上向きの段部３２と、下パイプ２４
が貫通する切欠き部３３を形成している。また背
面板３０の外周縁３４の内径は、下容器２１の円
筒部の外径よりわずかに大きい程度に構成されて
いる。３５は熱拡散部材で、この熱拡散部材３５
は良熱伝導性の材料により平板状に形成され、か
つ前記背面板３０の内面に密着するように、中央
に透孔３６を形成するとともに、外周に切欠き部
３７を形成している。３８は発熱部材で、この発
熱部材３８はマイカ等の耐熱性絶縁材よりなる絶
縁基板３９に帯状の電熱線４０を巻装し、かつそ
の上下に同じく耐熱性絶縁材からなる絶縁板４１
を積層することにより構成されている。また前記
絶縁基板３９及び絶縁板４１には、背面板３０の
段部３２が貫通する透孔４２と、下パイプ２４が
貫通する透孔４３が形成されている。４４はリー
ド線で、このリード線４４は絶縁基板３９に巻装
した電熱線４０の先端に絶縁碍管を挿入している
もので、このリード線４４は背面板３０の切欠き
部３３を貫通して外部に導出される。 Reference numeral 30 denotes a back plate, and this back plate 30 is made of a material with good thermal conductivity and has a substantially concave shape, and has an upward step 32 with a through hole 31 in the center, and a lower pipe 24.
A cutout 33 is formed through the cutout 33 . Further, the inner diameter of the outer peripheral edge 34 of the back plate 30 is configured to be slightly larger than the outer diameter of the cylindrical portion of the lower container 21. 35 is a heat diffusion member, and this heat diffusion member 35
is formed into a flat plate shape from a material with good thermal conductivity, and has a through hole 36 formed in the center and a notch 37 on the outer periphery so as to be in close contact with the inner surface of the back plate 30. Reference numeral 38 denotes a heat-generating member, and this heat-generating member 38 has a band-shaped heating wire 40 wrapped around an insulating substrate 39 made of a heat-resistant insulating material such as mica, and above and below the insulating plate 41 made of a heat-resistant insulating material as well.
It is constructed by laminating layers. Further, the insulating substrate 39 and the insulating plate 41 are formed with a through hole 42 through which the stepped portion 32 of the back plate 30 passes, and a through hole 43 through which the lower pipe 24 passes. 44 is a lead wire, and this lead wire 44 has an insulated tube inserted into the tip of a heating wire 40 wrapped around an insulating substrate 39, and this lead wire 44 passes through the notch 33 of the back plate 30. is extracted to the outside.
上記構成において、発熱部材３８を下容器２１
に取付ける場合は、背面板３０の内面に熱拡散部
材３５と発熱部材３８を順次積層し、そして下容
器２１の突部２２の下面に背面板３０の段部３２
が接するように配置し、かつ下パイプ２４とリー
ド線４４を背面板３０の切欠き部３３に貫通させ
て、下容器２１の突部２２と背面板３０の段部３
２の接触面をスポツト溶接する。次に、下容器２
１の底面と背面板３０の平面部に荷重を加えた状
態で、全体を回転させながら、背面板３０の外周
縁３４の上端を下容器２１の凹部２５の形状に沿
うまで変形させて完了する。その後、上容器２６
と下容器２１を嵌合させ、かつ両縁を折り重ねて
カール状とし、シーム溶接する。 In the above configuration, the heat generating member 38 is connected to the lower container 21.
, the heat diffusion member 35 and the heat generating member 38 are sequentially laminated on the inner surface of the back plate 30, and the stepped portion 32 of the back plate 30 is stacked on the lower surface of the protrusion 22 of the lower container 21.
The lower pipe 24 and the lead wire 44 are passed through the notch 33 of the back plate 30 so that the protrusion 22 of the lower container 21 and the step 3 of the back plate 30 are in contact with each other.
Spot weld the contact surfaces of 2. Next, lower container 2
1 and the flat surface of the back plate 30, while rotating the whole, the upper end of the outer peripheral edge 34 of the back plate 30 is deformed until it conforms to the shape of the recess 25 of the lower container 21, and the process is completed. . After that, the upper container 26
and the lower container 21 are fitted together, and both edges are folded over to form a curled shape and seam welded.
このように本実施例によれば、背面板３０の段
部３２を下容器２１の底面に固着するとともに、
背面板３０の周縁３４を下容器２１の周壁に形成
した凹部２５に圧接させているため、発熱部材３
８の密着強度が高められ、その結果、空間層発生
による電熱線４０の線温度上昇が防止でき、また
熱拡散部材３６によつて発熱部材３８の各部の温
度差も小さくなるため、熱膨張差による変形もな
くなり、したがつて発熱部材３８の密着強度が減
少することはない。さらに発熱部材３８の上部か
らの熱は下容器２１に伝導され、また、下方から
の熱は熱拡散部材３５を介して背面板３０に伝導
され、そして周縁３４からは下容器２１に伝導さ
れるため、発熱部材３８の内部に熱がこもるとい
うことはなくなるとともに、加熱効率も良くなる
が、背面板３０の周縁３４の全周を下容器２１の
凹部２５に圧接して密着させているため、上記効
果はさらに高まるものである。また溶接方式では
ないため、溶接焼けによる孔食のおそれはなくな
るとともに、加工自体も簡単であるため、コスト
的にも安価となるものである。 As described above, according to this embodiment, the stepped portion 32 of the back plate 30 is fixed to the bottom surface of the lower container 21, and
Since the peripheral edge 34 of the back plate 30 is brought into pressure contact with the recess 25 formed in the peripheral wall of the lower container 21, the heat generating member 3
As a result, the wire temperature of the heating wire 40 can be prevented from increasing due to the generation of a space layer, and the temperature difference between each part of the heat generating member 38 is also reduced by the heat diffusion member 36, so that the difference in thermal expansion can be reduced. Therefore, the adhesion strength of the heat generating member 38 does not decrease. Further, heat from the upper part of the heat generating member 38 is conducted to the lower container 21, heat from below is conducted to the back plate 30 via the heat diffusion member 35, and then from the periphery 34 to the lower container 21. Therefore, heat is not trapped inside the heat generating member 38, and the heating efficiency is improved. The above effects are further enhanced. Furthermore, since it is not a welding method, there is no fear of pitting corrosion due to welding burn, and since the processing itself is simple, the cost is also low.
なお、本実施例では、下容器２１の凹部２５の
形状を、断面半球状としたものについて説明した
が、三角形あるいは四角形でもよく、その作用効
果に差はないものである。 In this embodiment, the shape of the recess 25 of the lower container 21 has been described as having a hemispherical cross section, but it may also be triangular or quadrangular, and there is no difference in the operation and effect.
発明の効果
上記実施例の説明から明らかなように、本発明
によれば、周壁に凹部を形成した容器と、この容
器の下部に装着される発熱部材と、前記発熱部材
を容器に押圧する背面板とを有し、前記背面板
に、前記発熱部材を貫通する段部を形成し、この
段部を容器に底面に固着するとともに、背面板の
周縁を容器周壁の凹部に圧接させているため、発
熱部材の密着強度を高めることができ、その結
果、空間層発生による電熱線の線温度上昇も防止
できる。また発熱部材からの容器および背面板へ
の熱伝導もすみやかに行なわれるため、発熱部材
の内部に熱がこもるということもなくなるととも
に、加熱効率も良くなり、さらに背面板の周縁を
容器の凹部に圧接して密着させているため、上記
効果はさらに高まり、しかも溶接方式ではないた
め、溶接焼けによる孔食のおそれもなく、かつ加
工自体も簡単であるため、コスト的にも安価に得
ることができるものである。Effects of the Invention As is clear from the description of the above-mentioned embodiments, according to the present invention, there is provided a container in which a recess is formed in the peripheral wall, a heat generating member attached to the lower part of the container, and a backing that presses the heat generating member against the container. a face plate, a stepped portion passing through the heat generating member is formed on the back plate, the stepped portion is fixed to the bottom of the container, and the periphery of the back plate is pressed into contact with the recessed portion of the container peripheral wall; The adhesion strength of the heating member can be increased, and as a result, it is possible to prevent an increase in the wire temperature of the heating wire due to the generation of a space layer. In addition, heat conduction from the heat-generating member to the container and back plate occurs quickly, eliminating the possibility of heat being trapped inside the heat-generating member, improving heating efficiency, and furthermore allowing the periphery of the back plate to fit into the recess of the container. The above effects are further enhanced because they are pressed into close contact, and since they are not welded, there is no risk of pitting corrosion due to welding burns, and the processing itself is simple, so it can be obtained at a low cost. It is possible.
第１図は本発明の一実施例を示す蒸気発生装置
の断面図、第２図は同蒸気発生装置の分解斜視
図、第３図は同蒸気発生装置を採用した調理器の
断面図、第４図は従来における蒸気発生装置の一
部を断面で示した正面図である。
２１……下容器、２５……凹部、３０……背面
板、３２……段部、３４……背面板周縁、３８…
…発熱部材。
FIG. 1 is a cross-sectional view of a steam generator showing an embodiment of the present invention, FIG. 2 is an exploded perspective view of the steam generator, and FIG. 3 is a cross-sectional view of a cooking appliance employing the steam generator. FIG. 4 is a front view showing a part of a conventional steam generator in cross section. 21...Lower container, 25...Concave portion, 30...Back plate, 32...Step part, 34...Back plate periphery, 38...
...Heat-generating parts.
Claims (1)
部に装着される発熱部材と、前記発熱部材を容器
に押圧する背面板とを有し、前記背面板に、前記
発熱部材を貫通する段部を形成し、この段部を前
記容器の底面に固着するとともに、背面板の周縁
を容器周壁の凹部に圧接した蒸気発生装置。1. A container having a recess formed in a peripheral wall, a heat generating member attached to a lower part of the container, and a back plate that presses the heat generating member against the container, and a stepped portion penetrating the heat generating member on the back plate. , the stepped portion is fixed to the bottom surface of the container, and the peripheral edge of the back plate is pressed into contact with the recessed portion of the peripheral wall of the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22308986A JPS6377415A (en) | 1986-09-19 | 1986-09-19 | Steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22308986A JPS6377415A (en) | 1986-09-19 | 1986-09-19 | Steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6377415A JPS6377415A (en) | 1988-04-07 |
| JPH0446138B2 true JPH0446138B2 (en) | 1992-07-29 |
Family
ID=16792663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22308986A Granted JPS6377415A (en) | 1986-09-19 | 1986-09-19 | Steam generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6377415A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2686774B2 (en) * | 1988-06-29 | 1997-12-08 | 株式会社タダノ | Cable extension car |
-
1986
- 1986-09-19 JP JP22308986A patent/JPS6377415A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6377415A (en) | 1988-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |