JPH0323151Y2 - - Google Patents
Info
- Publication number
- JPH0323151Y2 JPH0323151Y2 JP3445086U JP3445086U JPH0323151Y2 JP H0323151 Y2 JPH0323151 Y2 JP H0323151Y2 JP 3445086 U JP3445086 U JP 3445086U JP 3445086 U JP3445086 U JP 3445086U JP H0323151 Y2 JPH0323151 Y2 JP H0323151Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heat generating
- space
- inner box
- mold part
- 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
- 239000012774 insulation material Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000011810 insulating material Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011491 glass wool Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035936 sexual power Effects 0.000 description 1
Landscapes
- Cookers (AREA)
- Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
- Table Equipment (AREA)
- Thermally Insulated Containers For Foods (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
本考案は一面開口を除く各面が断熱材にて覆わ
れ、底壁が発熱体により加熱される内箱を備えた
保温装置に関する。[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to a heat retention device that includes an inner box in which all sides except one opening are covered with a heat insulating material and whose bottom wall is heated by a heating element.
(ロ) 従来の技術
例えば実公昭42−6699号公報には庫本体の凹陥
部に発熱体本体を装設して発熱体本体の電気ヒー
タに接続コードを接続し、この接続コードに内筐
に装設された防水型のコンセントが接続され、さ
らに前記コンセントは断熱材を通り電源用接続栓
に接続された温蔵庫兼アイスボツクスが開示され
ている。(b) Conventional technology For example, in Japanese Utility Model Publication No. 42-6699, a heating element body is installed in a recessed part of the storage body, a connecting cord is connected to the electric heater of the heating element body, and a connecting cord is connected to the inner casing. A heating and ice box is disclosed in which an installed waterproof outlet is connected, and the outlet is connected to a power supply connection plug through a heat insulating material.
(ハ) 考案が解決しようとする問題点
上記従来の技術において、電気ヒータの発熱は
接続コードを介してコンセントへ伝わり、このコ
ンセントは内筐に装設され放熱量は僅かなために
温度上昇は大きく、耐久性が低下するという問題
点が発生していた。又、コンセントの熱は電源用
接続栓にも伝わり、この電源用接続栓の温度が大
幅に上昇した際には、電源用接続栓の耐久性も低
下するという問題点が発生していた。本考案は前
記問題点を解決することを目的とする。(c) Problems to be solved by the invention In the conventional technology mentioned above, the heat generated by the electric heater is transmitted to the outlet via the connection cord, and since this outlet is installed in the inner casing and the amount of heat dissipated is small, the temperature does not rise. This has caused problems such as a decrease in durability. Further, the heat from the outlet is also transmitted to the power connection plug, and when the temperature of the power connection plug increases significantly, there is a problem in that the durability of the power connection plug also decreases. The present invention aims to solve the above problems.
(ニ) 問題点を解決するための手段
本考案は上記問題点を解決するためになされた
もので、以下実施例に基づいて説明すると、内箱
２の底壁に設けられた発熱体１５の非発熱部２
１，２１を底面断熱材６に形成された放熱空間２
５に通し、宜つ、底面断熱材６の下面を覆う底板
１１の前記放熱空間２５にのぞんだ面に複数の開
口１２，１２…を形成した保温装置を提供するも
のである。(d) Means for solving the problems The present invention was made to solve the above problems, and will be explained below based on an example. Non-heat generating part 2
1 and 21 are heat dissipation spaces 2 formed in the bottom insulation material 6
5, and a plurality of openings 12, 12, .
(ホ) 作用
発熱部から熱伝導により熱が伝わる非発熱部及
びモールド部は底面断熱材に形成された空間に設
けられ、前記非発熱部及びモールド部に伝わつた
熱は前記空間に放射され、さらに、前記空間の熱
は空間の下面を覆う底板の開口から外部へ放熱さ
れ、前記発熱部及びモールド部が高温状態になる
ことは回避される。(E) Effect A non-heat generating part and a molded part to which heat is transferred from the heating part by thermal conduction are provided in a space formed in the bottom insulation material, and the heat transmitted to the non-heating part and the molded part is radiated into the space, Furthermore, the heat in the space is radiated to the outside through the opening of the bottom plate covering the lower surface of the space, and the heat generating part and the mold part are prevented from becoming hot.
(ヘ) 実施例
以下、本考案の一実施例を図面に基づいて詳細
に説明する。(F) Embodiment Hereinafter, an embodiment of the present invention will be described in detail based on the drawings.
第１図及び第２図は本考案に係る例えば食材用
の保温装置の縦断面図を示し、第１図の１は保温
庫本体で、この保温庫本体は上面開口の内箱２
と、この保温槽の前面を覆う前面断熱材３と、両
側の面を覆う側面断熱材４，４と、背面を覆う背
面断熱材５と、内箱２の底壁との間に発熱体設置
空間６ａを存して設けられた底面断熱材６と、前
記夫々の断熱材３，４，４，５の外面を覆う、前
面パネル７Ａ，７Ｂ、側板８，８、背板９と、底
面断熱材６の下面を覆う底板１１とから構成され
ている。ここで、内箱２は例えばステンレス板に
て形成され、各断熱材３，４，４，５はグラスウ
ールにて構成されている。又、底面断熱材６は２
槽構造で、上層断熱材６Ａは耐熱温度が高いグラ
スウールで、下層断熱材６Ｂは耐熱温度が上層断
熱材６Ａより低いグラスウールである。 1 and 2 are longitudinal cross-sectional views of a heat-retaining device for foodstuffs, for example, according to the present invention. 1 in FIG.
A heating element is installed between the front insulation material 3 that covers the front of this heat retention tank, the side insulation materials 4, 4 that cover both sides, the back insulation material 5 that covers the back surface, and the bottom wall of the inner box 2. A bottom insulation material 6 provided with a space 6a, front panels 7A, 7B, side plates 8, 8, back plate 9, and bottom insulation materials that cover the outer surfaces of the respective insulation materials 3, 4, 4, and 5. It is composed of a bottom plate 11 that covers the lower surface of the material 6. Here, the inner box 2 is made of, for example, a stainless steel plate, and each of the heat insulating materials 3, 4, 4, and 5 is made of glass wool. Also, the bottom insulation material 6 is 2
In the tank structure, the upper layer insulation material 6A is glass wool with a high heat resistance temperature, and the lower layer insulation material 6B is glass wool with a heat resistance temperature lower than that of the upper layer insulation material 6A.
又、内箱２の底面と底面断熱材６との間の空間
６ａには、一般にシーズヒータと呼ばれている発
熱体１５の発熱部１６が蛇行して内箱２の底面２
Ａの下のアルミニウム板３５と接触するように設
けられている。尚、発熱部１６は金属製のパイプ
内にニクロム線を通してマグネシアを充填したも
ので、１７は発熱部１６を支持する支持板であ
る。発熱部１６は内箱２の底面から複数下方へ延
びたねじ切り部１８，１８とナツト１９，１９と
により、底面２Ａと支持板１７との間に挟持され
ている。又、発熱体１５は上記発熱部１６と、上
層断熱材６Ａの貫通部近傍の発熱体設置空間６ａ
の部分から始まる非発熱部分２１，２１とからな
り、これら非発熱部とリード線２２との接続部と
はシリコンゴム等のモールド部２３にて被覆され
ている。尚、非発熱部２１，２１は前記パイプと
このパイプ内にて前記ニクロム線に接続され前記
パイプ内を通された導電性のステンレス棒とから
構成されている。ここで、下層断熱材６Ｂは縦横
寸法が上層断熱材６Ａより小さく形成され、上層
断熱材６Ａの下にはこの上層断熱材６Ａの下面と
側板８，８と背板９と下層断熱材６Ｂと底板１１
により放熱空間２５が形成され、この放熱空間２
５を上層断熱材６Ａを貫通した非発熱部２１，２
１が後部から前部へ通り、モールド部２３が空間
２５に位置している。さらに放熱空間にのぞんだ
底板１１には複数の開口１２，１２…が形成され
ている。 In addition, in the space 6a between the bottom surface of the inner box 2 and the bottom heat insulating material 6, a heat generating portion 16 of a heat generating element 15, which is generally called a sheathed heater, snakes around the bottom surface 2 of the inner box 2.
It is provided so as to be in contact with the aluminum plate 35 below A. The heat generating part 16 is a metal pipe filled with magnesia through a nichrome wire, and 17 is a support plate that supports the heat generating part 16. The heat generating portion 16 is held between the bottom surface 2A and the support plate 17 by a plurality of threaded portions 18, 18 extending downward from the bottom surface of the inner box 2 and nuts 19, 19. Further, the heating element 15 is connected to the heating part 16 and the heating element installation space 6a near the penetration part of the upper layer insulation material 6A.
It consists of non-heat generating portions 21, 21 starting from the portion , and the connecting portion between these non-heat generating portions and the lead wire 22 is covered with a molded portion 23 made of silicone rubber or the like. The non-heat generating parts 21, 21 are composed of the pipe and a conductive stainless steel rod that is connected to the nichrome wire inside the pipe and passed through the pipe. Here, the lower layer insulating material 6B is formed to have smaller vertical and horizontal dimensions than the upper layer insulating material 6A, and below the upper layer insulating material 6A are the lower surface of the upper layer insulating material 6A, the side plates 8, 8, the back plate 9, and the lower layer insulating material 6B. Bottom plate 11
A heat radiation space 25 is formed, and this heat radiation space 2
5 is the non-heat generating part 21, 2 which penetrates the upper layer insulation material 6A.
1 passes from the rear to the front, and the mold part 23 is located in the space 25. Further, a plurality of openings 12, 12, . . . are formed in the bottom plate 11 looking into the heat radiation space.
又、前面断熱材３の下面と底板１１との間には
電装機器設置用の空間２６が形成され、この空間
２６にサーモスタツト２７が配設され、このサー
モスタツト２７はリード線２２によりモールド部
２３にて非発熱部２１，２１に接続されている。
尚、３１はサーモスタツト２７の調節用のサーモ
ダイヤル、３２は電源スイツチ、３３は電源ラン
プである。 Further, a space 26 for installing electrical equipment is formed between the lower surface of the front insulation material 3 and the bottom plate 11, and a thermostat 27 is disposed in this space 26, and this thermostat 27 is connected to the mold part by a lead wire 22. At 23, it is connected to the non-heat generating parts 21, 21.
Note that 31 is a thermo dial for adjusting the thermostat 27, 32 is a power switch, and 33 is a power lamp.
以下、保温装置の運転時、発熱体１５の発熱部
１６は発熱して例えば300℃〜400℃になりこの熱
は内箱２を加熱して保温材を加熱するために消費
されるのは勿論、非発熱部２１，２１に伝わり、
これら非発熱部の温度は発熱部１６に近いほど高
くなる。 Hereinafter, when the heat insulating device is operated, the heat generating part 16 of the heat generating element 15 generates heat to, for example, 300°C to 400°C, and this heat is of course consumed to heat the inner box 2 and heat the heat insulating material. , transmitted to the non-heat generating parts 21, 21,
The temperature of these non-heat generating parts becomes higher as they are closer to the heat generating part 16.
即ち、非発熱部２１，２１及びモールド部２３に
伝わつた熱は、上層断熱材６Ａ下の放熱空間２５
に輻射され、非発熱部２１，２１の温度はモール
ド部２３に近づくに伴い次第に低下する。そして
モールド部２３に伝わつた熱も放熱空間２５に輻
射される。そして夫々の輻射により暖められた空
気と外気との間に底板１１の複数の開口１２，１
２…を通り対流が発生する。又、非発熱部２１，
２１及びモールド部２３からの輻射熱により暖め
られた底板１１からも外部へ熱が輻射される。こ
のため、モールド部２３の温度はシリコンゴムの
耐熱温度である例えば180℃より低い例えば120℃
〜130℃になる。That is, the heat transmitted to the non-heat generating parts 21, 21 and the mold part 23 is transferred to the heat radiation space 25 under the upper layer insulation material 6A.
The temperature of the non-heat generating parts 21, 21 gradually decreases as it approaches the mold part 23. The heat transmitted to the mold part 23 is also radiated to the heat radiation space 25. A plurality of openings 12, 1 in the bottom plate 11 are provided between the air warmed by each radiation and the outside air.
Convection occurs through 2. Moreover, the non-heat generating part 21,
Heat is also radiated to the outside from the bottom plate 11 heated by the radiant heat from the mold part 21 and the mold part 23. Therefore, the temperature of the mold part 23 is lower than the heat-resistant temperature of silicone rubber, such as 180°C, for example, 120°C.
The temperature will reach ~130℃.
従つて、発熱部１６から非発熱部２１，２１及
びモールド部２３へ熱が伝わつたとき、その熱は
放熱空間２５に輻射され、さらに放熱空間２５か
ら上記の如く対流、輻射により外部へ逃げるた
め、非発熱部２１，２１及びモールド部２３の温
度上昇を低く押えることができ、この結果、前記
非発熱部及びモールド部の熱による経年変化、特
にモールド部の劣化を低く押えて耐久性の向上を
図ることができる。 Therefore, when heat is transferred from the heat generating part 16 to the non-heat generating parts 21, 21 and the mold part 23, the heat is radiated to the heat radiation space 25, and further escapes from the heat radiation space 25 to the outside by convection and radiation as described above. , the temperature rise of the non-heat generating parts 21, 21 and the mold part 23 can be suppressed to a low level, and as a result, the aging of the non-heat generating parts and the mold part due to heat, especially the deterioration of the mold part, can be suppressed to a low level, and the durability is improved. can be achieved.
尚、本考案は上記実施例に限定されるものでは
なく、例えば一側面を開口した温蔵庫で、内箱の
底壁の下に発熱体を備えたものでも底面断熱材に
放熱空間を形成し、この放熱空間に発熱体の非発
熱体とモールド部とを設けることにより上記実施
例と同様な作用効果を得ることができる。又、必
要に応じて本体開口を開閉自在に閉塞する扉を設
けても良い。 It should be noted that the present invention is not limited to the above-mentioned embodiments; for example, even in a heating refrigerator with one side open and a heating element provided under the bottom wall of the inner box, a heat dissipation space can be formed in the bottom insulation material. However, by providing the non-heat generating body of the heat generating body and the molded portion in this heat dissipation space, the same effects as in the above embodiment can be obtained. Further, a door may be provided to open and close the main body opening as necessary.
(ト) 考案の効果
本考案は上記実施例において説明された食材保
温装置であるから、発熱体の発熱部から非発熱部
へ伝わつた熱は底面断熱材に形成され前記非発熱
部が通る放熱空間に輻射され、前記放熱空間の熱
は底板の複数開口から又、前記底板からの輻射に
より外部へ逃げ、この結果、前記非発熱部の温度
を低く押えることができ、前記非発熱部の耐久性
の向上を図ることができる。又、前記非発熱部の
温度は低く押えられ、該非発熱部からモールド部
へ伝わる熱は少なくなると共に、前記モールド部
の熱は前記放熱空間に輻射され外部へ逃げるた
め、前記モールド部の温度を一層低く押えること
ができ、この結果、前記モールド部の耐久性の向
上も図ることができ、食材保温装置の部品管理を
容易に行うこともできる。(g) Effect of the invention Since the invention is a food warming device explained in the above embodiment, the heat transmitted from the heat generating part of the heating element to the non-heat generating part is formed in the bottom insulation material and is radiated through the non-heat generating part. The heat in the heat dissipation space escapes to the outside through the plurality of openings in the bottom plate and by radiation from the bottom plate. As a result, the temperature of the non-heat generating part can be kept low, and the durability of the non-heat generating part can be reduced. It is possible to improve sexual performance. Moreover, the temperature of the non-heat generating part is kept low, and the heat transmitted from the non-heat generating part to the mold part is reduced, and the heat of the mold part is radiated to the heat radiation space and escapes to the outside, so that the temperature of the mold part is reduced. As a result, the durability of the mold part can be improved, and parts of the food warming device can be easily managed.
第１図乃至第３図は本考案の一実施例を示し、
第１図は第３図に示した食材保温装置のＡ−Ａ線
縦断面図、第２図は同じく第３図のＢ−Ｂ線縦断
面図、第３図は食材保温装置の概略斜視図であ
る。
１……保温庫本体、２……内箱、３，４，４，
５……断熱材、６……底面断熱材、１１……底
板、１２，１２……開口、１５……発熱体、１６
……発熱部、２１，２１……非発熱部、２３……
モールド部、２５……放熱空間である。
1 to 3 show an embodiment of the present invention,
Fig. 1 is a longitudinal sectional view taken along line A-A of the food warming device shown in Fig. 3, Fig. 2 is a longitudinal sectional view taken along line B-B of Fig. 3, and Fig. 3 is a schematic perspective view of the food warming device. It is. 1...Thermal storage body, 2...Inner box, 3, 4, 4,
5...Insulating material, 6...Bottom insulating material, 11...Bottom plate, 12, 12...Opening, 15...Heating element, 16
...Heating part, 21, 21...Non-heating part, 23...
Mold part, 25... is a heat radiation space.
Claims (1)
内箱の側面を覆う側面断熱材と、前記内箱底壁と
の間に発熱体設置空間を形成して該内箱の底壁の
下方に設けられた底面断熱材と、前記発熱体設置
空間に発熱部が設けられて該発熱部から延びた非
発熱部がモールド部にてリード線に接続された発
熱体と、少なくとも前記底面断熱材の下面を覆う
底板とを備えた保温装置において、前記底面断熱
材には前記発熱体の非発熱部が通されると共に前
記モールド部が位置した空間が形成され、前記空
間の下に位置した前記底板には開口が形成されて
なる保温装置。 A heating element installation space is formed between an inner box that has an opening on one side and stores a heat insulating material therein, a side insulation material that covers the side surface of the inner box, and the bottom wall of the inner box, and a heating element installation space is formed below the bottom wall of the inner box. a heat generating element having a heat generating part provided in the heat generating element installation space and a non-heat generating part extending from the heat generating part being connected to a lead wire at a mold part; and at least the bottom heat insulating material. In the heat retaining device, a non-heat generating part of the heat generating element is passed through the bottom heat insulating material, and a space is formed in which the mold part is located, and a space is formed in which the mold part is located. A heat retention device with an opening formed in the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3445086U JPH0323151Y2 (en) | 1986-03-10 | 1986-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3445086U JPH0323151Y2 (en) | 1986-03-10 | 1986-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62146436U JPS62146436U (en) | 1987-09-16 |
| JPH0323151Y2 true JPH0323151Y2 (en) | 1991-05-21 |
Family
ID=30843012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3445086U Expired JPH0323151Y2 (en) | 1986-03-10 | 1986-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323151Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007061126A (en) * | 2005-08-29 | 2007-03-15 | Matsushita Electric Ind Co Ltd | Electric water heater |
-
1986
- 1986-03-10 JP JP3445086U patent/JPH0323151Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62146436U (en) | 1987-09-16 |
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