JPS58175732A - Composite heating cooker - Google Patents
Composite heating cookerInfo
- Publication number
- JPS58175732A JPS58175732A JP5885582A JP5885582A JPS58175732A JP S58175732 A JPS58175732 A JP S58175732A JP 5885582 A JP5885582 A JP 5885582A JP 5885582 A JP5885582 A JP 5885582A JP S58175732 A JPS58175732 A JP S58175732A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- door
- gasket
- heat
- heating chamber
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/76—Prevention of microwave leakage, e.g. door sealings
- H05B6/763—Microwave radiation seals for doors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は複合加熱調理器のドアと加熱室前面壁との間の
間隙からの熱漏洩を防止する構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a structure for preventing heat leakage from a gap between a door of a composite cooking device and a front wall of a heating chamber.
従来電気ヒータを組み込んだ電子レンジのような複合加
熱調理器はドア内壁及び加熱室等をホーロー処理したも
のが多いが、この場合ホーロー処理工程での高熱の影響
でホーローされた部分の平面度が悪化し、ドアを閉じた
状態でドア内壁と加熱室前面壁との間に隙間ができる。Conventional multi-cooking devices such as microwave ovens that incorporate electric heaters often have the inner wall of the door and heating chamber enameled, but in this case, the flatness of the enameled part may be affected by the high heat during the enameling process. As a result, a gap forms between the inner wall of the door and the front wall of the heating chamber when the door is closed.
またドアを取付ける時の組立て作業のばらつきやオーブ
ン使用時のドアや加熱室の熱変形によっても同様の隙間
が発生する。この隙間が出来ると、加熱室内の熱気が漏
洩する為、熱効率が低下するばかりか、ドアに設けられ
た電波漏洩防止用のチョークの開口部を封口するプラス
チック樹脂よりなる封口壁が漏洩した熱により溶けると
いう問題が発生する。Similar gaps also occur due to variations in assembly work when installing the door and due to thermal deformation of the door and heating chamber during use of the oven. If this gap is created, the hot air inside the heating chamber will leak, which will not only reduce thermal efficiency, but also cause the sealing wall made of plastic resin that seals the opening of the choke installed in the door to prevent leakage of radio waves to leak. There is a problem with melting.
これらの問題は、特にガスオーブンと電子レンジの複合
タイプのように加熱室内が３００°Ｃ程度のＯぺ、ジ
高温になる製品において顕著となる。These problems are particularly noticeable in products where the heating chamber is heated to a high temperature of about 300° C., such as a combination type of gas oven and microwave oven.
一方加熱室からの熱漏洩を防ぐ為にドア内壁の外周にガ
スケット等を設けると、このガスケットが加熱室前面壁
に先当りして加熱室前面壁とドア内壁との間の隙間がか
えって大きくなり電波漏洩が増大するという問題があっ
た。On the other hand, if a gasket, etc. is installed around the outer circumference of the inner wall of the door to prevent heat leakage from the heating chamber, this gasket will hit the front wall of the heating chamber first, and the gap between the front wall of the heating chamber and the inner wall of the door will become larger. There was a problem that radio wave leakage increased.
本発明は上記従来の欠点を解消するもので、熱効率が良
く、加熱室内を高温にしても、プラスチック樹脂よりな
る封口壁が溶けたすせず、また電波漏洩の少ない安定し
た品質を有する複合加熱調理器を提供する事を目的とす
る。The present invention solves the above-mentioned conventional drawbacks, and has a composite heating system that has good thermal efficiency, prevents the sealing wall made of plastic resin from melting even when the temperature inside the heating chamber is high, and has stable quality with little radio wave leakage. The purpose is to provide cooking equipment.
上記目的を達成する為に本発明はドア内壁と封口壁の段
差の部分にドア内壁の外周にそって断面がほぼ半円形状
の耐熱弾性体よりなるガスケットの片側部分のみをドア
内壁と封口壁の間にはさみこんで固定する構成であり、
電波漏洩を増加させる事なく、安価に確実な熱シールが
出来るという効果を有するものである。In order to achieve the above object, the present invention provides only one side portion of a gasket made of a heat-resistant elastic material having an approximately semicircular cross section along the outer periphery of the door inner wall and the sealing wall at the step between the door inner wall and the sealing wall. It has a structure that is fixed by inserting it between the
This has the effect of being able to perform reliable heat sealing at low cost without increasing radio wave leakage.
以下本発明の一実施例について、図面に基づいて説明す
る。An embodiment of the present invention will be described below based on the drawings.
特開昭５８−１７５７３２ （２）
第１図に於いて１は本体であり、内部に加熱室２がある
。加熱室２の庫内は電熱ヒータ又はガスヒータ等（いづ
れも図示せず）によって温度が上げられるようになって
いる。更に高周波発振器（図示せず）による電波が庫内
に照射されるようになっている。加熱室２の前面開口部
はドア３によって開閉自在となっている。４はコントロ
ールパネルで表示管６、各種調理プログラムの選択キー
６及び作動ボタン７等が設けられている。８はドア３に
設けられたドア内壁で、その外周に唸チョーク開口部を
封口するプラスチック材料よりなる封口壁９があり、中
央部には透視窓１０が設けられている。第２図において
、１１は電波漏洩防止用のチョーク溝であり１３はスリ
ット板で周知のごとくドア３の周囲方向への電波の伝播
を阻止する事によって電波漏洩を防止する。スリット板
１３及びチョークの開口部１２を覆いかくす為に封口壁
９が設けられている。従って封口壁９は誘′電体であり
、成形加工性の良いように熱可塑性で耐熱性の樹脂、例
えばＦＲ−ＰＥＴ（ガラス線維６ペー：パ
入りポリエチレンテレフタレート）で作られている。１
４は耐熱性でしかも弾性を有するシリコンゴム等で作ら
れたガスケットで、封口壁９に設けられた溝及びその縁
部とドア内壁８との間に挾まれる形で保持されている。JP-A-58-175732 (2) In FIG. 1, 1 is a main body, and a heating chamber 2 is located inside. The temperature inside the heating chamber 2 is raised by an electric heater, a gas heater, or the like (none of which is shown). Furthermore, radio waves from a high frequency oscillator (not shown) are irradiated into the refrigerator. The front opening of the heating chamber 2 can be opened and closed by a door 3. 4 is a control panel provided with a display tube 6, selection keys 6 for various cooking programs, operation buttons 7, and the like. Reference numeral 8 denotes an inner door wall provided in the door 3, on the outer periphery of which there is a sealing wall 9 made of a plastic material for sealing the choke opening, and a see-through window 10 is provided in the center. In FIG. 2, 11 is a choke groove for preventing radio wave leakage, and 13 is a slit plate that prevents radio wave leakage by blocking the propagation of radio waves in the direction around the door 3, as is well known. A sealing wall 9 is provided to cover and hide the slit plate 13 and the choke opening 12. Therefore, the sealing wall 9 is a dielectric material, and is made of a thermoplastic and heat-resistant resin such as FR-PET (glass fiber 6 paper: polyethylene terephthalate containing glass) for good moldability. 1
Reference numeral 4 denotes a gasket made of silicone rubber or the like having heat resistance and elasticity, and is held between a groove provided in the sealing wall 9 and the edge thereof and the inner wall 8 of the door.
ドア内壁８及び封口壁９共にガスケット１４を使用する
必要のない他の機種にも共通に使用出来るようにする為
にはドア内壁８と封口壁９との段差を出来るだけ小さく
しておいた方が良いがこの段差があまり小さいと、ガス
ケット１４を入れた隙、ガスケット１４の厚みと段差の
寸法が同じ程度になってしまいガスケット１４があまり
つぶれないとガスケット１４によりかえってドア内壁８
と加熱室前面壁１６との間に隙間が出来てしまい、この
場合、熱の漏洩では問題ないが、電波の漏洩量が増加す
るという問題が生ずる。In order to be able to use the door inner wall 8 and the sealing wall 9 in common with other models that do not require the use of the gasket 14, the step between the door inner wall 8 and the sealing wall 9 should be made as small as possible. However, if this step is too small, the gap where the gasket 14 is inserted, the thickness of the gasket 14 and the size of the step will be about the same, and if the gasket 14 is not crushed too much, the gasket 14 will cause the door inner wall 8 to
A gap is created between the front wall 16 of the heating chamber and the front wall 16 of the heating chamber, and in this case, there is no problem with heat leakage, but there is a problem in that the amount of radio wave leakage increases.
従ってこの問題を解決する為に、ガスケット１４の一部
を封口壁９の溝の縁部とドア内壁８とで挾んで固定する
構造にする事によって、ガスケット１４が無い時に比べ
てガスケット１４の厚み分だ６ベー；・
けドア内壁８と封口壁９との段差を大きくする事が出来
る。この為、ガスケットを使用しない機種では段差が小
さくなるように設計しておいてもより厚い、やぶれにく
いガスケットを使用する事が出来るようになる。更に図
のようにガスケット１４の断面を半円形状にし、その−
側端面のみを固定する構造にする事によって、固定され
ていない側は、ドア３を閉じた時の圧力がガスケット１
４にかかった時に容易にずれる為、ガスケット１４が少
しの圧力でつぶれるようになり、従って出来るだけ大き
な隙間に対しても効果のあるようにドアを開けた状態で
ガスケット１４の高さがドア内壁８よりも高くなるよう
に設計しておいてもガスケット１４によってドア内壁８
と加熱室前面壁１５との間に隙間を生じさせるような事
はなくなり、熱漏洩を防止することができる。Therefore, in order to solve this problem, a part of the gasket 14 is sandwiched and fixed between the edge of the groove of the sealing wall 9 and the door inner wall 8, so that the thickness of the gasket 14 is reduced compared to when there is no gasket 14. It is possible to increase the level difference between the inner wall 8 of the door and the sealing wall 9. For this reason, even if a model that does not use a gasket is designed to have a small step, it is possible to use a thicker gasket that is less likely to break. Furthermore, as shown in the figure, the cross section of the gasket 14 is made into a semicircular shape, and its -
By creating a structure in which only the side end surfaces are fixed, the pressure when the door 3 is closed is reduced to the gasket 1 on the unfixed side.
4, the gasket 14 can be easily dislocated when applied to the inner wall of the door. Even if it is designed to be higher than the door inner wall 8, the gasket 14
There will be no gap between the front wall 15 of the heating chamber and the front wall 15 of the heating chamber, and heat leakage can be prevented.
以上のように本発明によれば次の効果を得る事ができる
。As described above, according to the present invention, the following effects can be obtained.
（１） ドア及び加熱室の接触面がそったり、変形し
たりしても熱が逃げなくなり、熱効率が改善される。(1) Heat will not escape even if the contact surfaces of the door and heating chamber are warped or deformed, improving thermal efficiency.
（２）封口壁に高価で成形性の悪い高耐熱性の材料を使
用しなくても封口壁が溶けるといった問題がなくなる為
、安価に出来るし、更に他の機種と同じ部品を使用出来
るだめ部品の共用化がはかれる。従って新しく金型を作
る必要がなく、その面からもコストを安く出来る。(2) Even if the sealing wall does not require the use of expensive, high heat-resistant materials with poor moldability, the problem of the sealing wall melting is eliminated, so it can be made at a lower cost, and the same parts as other models can be used. The sharing of information will be promoted. Therefore, there is no need to create a new mold, and costs can be reduced from that perspective as well.
（３） ガスケットに入れる事によって、これが緩衝
材となり、ドアを閉める時の音が小さくなる。(3) By putting it in the gasket, it acts as a cushioning material and reduces the noise when closing the door.
（４）封口壁の溝の縁部とドア内壁の間にガスケットを
はてんで固定している為に、ガスケットの厚さ分たけ封
口壁とドア内壁の段差を犬きくする事が出来、これによ
り、他の機種と共通の部品を使用しても、ガスケットに
より電波漏洩防止性能を悪くζせる事なく、熱漏洩を防
止する事ができる。(4) Since the gasket is fixed between the edge of the groove in the sealing wall and the inner wall of the door, the difference in level between the sealing wall and the inner wall of the door can be increased by the thickness of the gasket. Therefore, even if parts common to other models are used, heat leakage can be prevented without impairing the radio wave leakage prevention performance due to the gasket.
（６）ガスケットの断面全半円形とし、その片側端部の
みを固定している為、ガスケットの腰が弱となり、わず
かなドア内壁と封口壁との段差でも電波漏洩を増加式ぜ
る事なく効果的な熱シールを行゛なう事ができる。(6) Since the cross section of the gasket is completely semicircular and only one end is fixed, the gasket becomes weak, and even a slight difference between the inner wall of the door and the sealing wall will not increase radio wave leakage. Effective heat sealing can be performed.
（６） ガスケットを封口壁に設けられた溝に入れ、
ドア内壁で押さえるたけて固定出来るので取り付けが非
常に簡単である。(6) Insert the gasket into the groove provided in the sealing wall,
It is very easy to install because it can be fixed by pressing it against the inner wall of the door.
第１図は本発明の一実施例である複合加熱調理器の外観
斜視図、第２図は同装置のドア部の要部拡大断面図であ
る。
１・・・・・・本体、２・−・−・・加熱室、３・・・
・・・ドア、８・・・・・・ドア内壁、９−・・・・・
封口壁、１４・・・・・・ガスケット、１６・・・・・
・加熱室前面壁。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第 ２ 図FIG. 1 is an external perspective view of a composite heating cooker according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a main part of the door portion of the device. 1... Main body, 2... Heating chamber, 3...
...Door, 8...Door inner wall, 9-...
Sealing wall, 14...Gasket, 16...
・Heating chamber front wall. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2
Claims (3)
と、前記加熱室へ高周波を給電する高周波発振器と、前
記加熱室の前面開口部を開閉自在とするドアとを備え、
前記ドアに設けられた金属よりなるドア内壁と誘電体材
料よりなるチョーク開口の封口壁との間に段差を設け、
前記段差の部分に、無負荷状態では前記ドア内壁面より
も突出し、かつ前記段差の寸法よりも薄い肉厚を有する
耐熱弾性体を設ける構成とした複合加熱調理器。(1) comprising a heating chamber, a heating means for raising the temperature in the heating chamber, a high frequency oscillator that supplies high frequency power to the heating chamber, and a door that allows the front opening of the heating chamber to be opened and closed;
A step is provided between the inner wall of the door made of metal and the sealing wall of the choke opening made of dielectric material,
The composite heating cooking device has a structure in which a heat-resistant elastic body is provided at the step portion, the heat-resistant elastic body protruding from the inner wall surface of the door in an unloaded state and having a wall thickness thinner than the dimension of the step.
端を開放状態に保持する構成とした特許請求の範囲第１
項記載の複合加熱調理器。(2) The cross section of the heat-resistant elastic body is approximately semicircular, and the negative end thereof is held in an open state in claim 1.
Composite heating cooker described in section.
とドア内壁との間で挾んで保持する構成とした特許請求
の範囲第１項記載の複合加熱調理器。(3) The composite cooking device according to claim 1, wherein the heat-resistant elastic body is held between a groove provided in the sealing wall, an edge thereof, and the inner wall of the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5885582A JPS58175732A (en) | 1982-04-07 | 1982-04-07 | Composite heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5885582A JPS58175732A (en) | 1982-04-07 | 1982-04-07 | Composite heating cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58175732A true JPS58175732A (en) | 1983-10-15 |
Family
ID=13096300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5885582A Pending JPS58175732A (en) | 1982-04-07 | 1982-04-07 | Composite heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58175732A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007015397A1 (en) * | 2005-08-03 | 2007-02-08 | Sharp Kabushiki Kaisha | Heating cooker |
| KR100767468B1 (en) * | 2006-08-24 | 2007-10-17 | 김정직 | Anechoic chamber for testing radiational characteristic of mobile communication terminal antenna |
| EP1923638A1 (en) * | 2005-09-08 | 2008-05-21 | Sharp Kabushiki Kaisha | Cooking device |
| JP2008167957A (en) * | 2007-01-12 | 2008-07-24 | Mitsubishi Electric Corp | Cooker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256201U (en) * | 1975-10-22 | 1977-04-22 | ||
| JPS5517150B1 (en) * | 1970-08-21 | 1980-05-09 |
-
1982
- 1982-04-07 JP JP5885582A patent/JPS58175732A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517150B1 (en) * | 1970-08-21 | 1980-05-09 | ||
| JPS5256201U (en) * | 1975-10-22 | 1977-04-22 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007015397A1 (en) * | 2005-08-03 | 2007-02-08 | Sharp Kabushiki Kaisha | Heating cooker |
| KR100970044B1 (en) * | 2005-08-03 | 2010-07-16 | 샤프 가부시키가이샤 | Heating cooker |
| EP1923638A1 (en) * | 2005-09-08 | 2008-05-21 | Sharp Kabushiki Kaisha | Cooking device |
| EP1923638A4 (en) * | 2005-09-08 | 2011-03-16 | Sharp Kk | Cooking device |
| US8288695B2 (en) | 2005-09-08 | 2012-10-16 | Sharp Kabushiki Kaisha | Cooking device |
| KR100767468B1 (en) * | 2006-08-24 | 2007-10-17 | 김정직 | Anechoic chamber for testing radiational characteristic of mobile communication terminal antenna |
| JP2008167957A (en) * | 2007-01-12 | 2008-07-24 | Mitsubishi Electric Corp | Cooker |
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