JP3204677B2 - microwave - Google Patents
microwaveInfo
- Publication number
- JP3204677B2 JP3204677B2 JP07461191A JP7461191A JP3204677B2 JP 3204677 B2 JP3204677 B2 JP 3204677B2 JP 07461191 A JP07461191 A JP 07461191A JP 7461191 A JP7461191 A JP 7461191A JP 3204677 B2 JP3204677 B2 JP 3204677B2
- Authority
- JP
- Japan
- Prior art keywords
- conductor pattern
- body frame
- transparent substrate
- microwave oven
- main body
- 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 - Fee Related
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/02—Stoves or ranges heated by electric energy using microwaves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Ovens (AREA)
- Constitution Of High-Frequency Heating (AREA)
Description
【０００１】［発明の目的］[Object of the Invention]
【０００２】[0002]
【産業上の利用分野】本発明は、扉の電波漏洩防止構造
を改良した電子レンジに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microwave oven having an improved structure for preventing radio waves from leaking from a door.
【０００３】[0003]
【従来の技術】一般に、電子レンジにおいては、使用者
が扉の外側から庫内を覗けるように、扉に庫内透視窓部
が設けられている。この庫内透視窓部には、扉の本体枠
に一体に形成された電波遮蔽用のパンチングプレートを
ガラス板で覆って構成した内バリヤが設けられている。2. Description of the Related Art In general, in a microwave oven, a door is provided with a see-through window inside a refrigerator so that a user can look inside the refrigerator from outside the door. The interior window is provided with an inner barrier formed by covering a radio-shielding punching plate integrally formed with the main body frame of the door with a glass plate.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来構成では、パンチングプレートの孔の大きさは、電波
漏洩防止上の制約から限界があり、しかも、その孔の数
（密集度合）も、パンチング加工上の制約から限界があ
るので、庫内を覗き込む際に、どうしてもパンチングプ
レートが目についてしまい、庫内が見づらいという欠点
があった。However, in the above-mentioned conventional structure, the size of the holes in the punching plate is limited by the restriction on the prevention of radio wave leakage, and the number of holes (density) is also limited by the punching process. Since there is a limit due to the above restrictions, there is a disadvantage that the punching plate is inevitably caught in the eyes when looking into the inside of the refrigerator, making it difficult to see inside the refrigerator.
【０００５】このような欠点を解消する構成として、図
７に示すように、ガラス板１の片面に網目状の導体パタ
ーン２を例えば無電解めっきにより形成して内バリヤ３
を構成し、この内バリヤ３を扉の本体枠に取付けるよう
にしたものが考えられている。このものでは、網目状の
導体パターン２を無電解めっきにより形成するので、パ
ンチング加工上の制約がなくなり、孔の数（密集度合）
を多くでき、それだけ、庫内の視認性を高くし得る。As a configuration for solving such a defect, as shown in FIG. 7, a mesh-shaped conductor pattern 2 is formed on one surface of a glass plate 1 by, for example, electroless plating to form an inner barrier 3.
It is considered that the barrier 3 is attached to the main body frame of the door. In this case, since the mesh-shaped conductor pattern 2 is formed by electroless plating, there is no restriction on punching, and the number of holes (density)
Can be increased, and the visibility inside the refrigerator can be increased accordingly.
【０００６】しかし、この構成では、導体パターン２を
ガラス板１の加熱調理室側の面に形成するので、調理容
器等が当たって導体パターン２が傷付いたり、切断され
たりすることがあり、電波遮蔽性能が低下するという問
題点があった。また、図７に示すように、網目状の導体
パターン２は、ガラス板１の縁部において、線状部分２
ａが多数突出していることから、この部分がアンテナと
なってしまい、やはり電波遮蔽性能が低下することがあ
った。However, in this configuration, since the conductive pattern 2 is formed on the surface of the glass plate 1 on the side of the heating chamber, the conductive pattern 2 may be damaged or cut by a cooking vessel or the like. There was a problem that the radio wave shielding performance was reduced. As shown in FIG. 7, the mesh-shaped conductor pattern 2 has a linear portion 2 at the edge of the glass plate 1.
Since many "a" protrude, this portion becomes an antenna, and the radio wave shielding performance may also be reduced.
【０００７】そこで、本発明の目的は、庫内の視認性を
向上できるものでありながら、電波遮蔽性能を十分なも
のとし得る電子レンジを提供するにある。It is an object of the present invention to provide a microwave oven which can improve the visibility of the inside of a refrigerator, and can also have a sufficient radio wave shielding performance.
【０００８】［発明の構成］[Structure of the Invention]
【０００９】[0009]
【課題を解決するための手段】本発明の電子レンジは、
加熱調理室を開閉する扉の本体枠に電波遮蔽用の内バリ
ヤを取付けて成る電子レンジにおいて、前記内バリヤ
を、透明基板と、この透明基板の反加熱調理室側の面に
形成された網目状又は格子状をなす導体パターンとから
構成し、前記導体パターンを、前記透明基板の縁部に配
置される枠状部分と、この枠状部分の内側に接続配置さ
れて網目又は格子を構成する線状部分とから構成し、前
記枠状部分の線幅寸法を前記線状部分の線幅寸法よりも
幅広にし、且つその幅広にした導体パターンを前記本体
枠に接触させるように構成したところに特徴を有する。The microwave oven according to the present invention comprises:
In a microwave oven in which an inner barrier for radio wave shielding is attached to a main body frame of a door that opens and closes a cooking chamber, the inner barrier is formed by a transparent substrate and a mesh formed on a surface of the transparent substrate on a side opposite to the cooking chamber. And a conductor pattern having a lattice shape or a lattice shape, and the conductor pattern is arranged on an edge of the transparent substrate.
Frame part to be placed, and a connection
And a linear part that constitutes a mesh or grid.
It is characterized in that the line width of the frame portion is made wider than the line width of the line portion, and the widened conductor pattern is brought into contact with the body frame.
【００１０】この場合、導体パターンのうち本体枠に接
触させる部分の厚み寸法を、他の部分の厚み寸法よりも
厚く構成しても良い。In this case, the thickness of the portion of the conductor pattern that is brought into contact with the body frame may be thicker than the thickness of the other portions.
【００１１】[0011]
【作用】上記手段によれば、網目状の導体パターンを透
明基板の反加熱調理室側の面に形成したので、導体パタ
ーンに調理容器等が当たることがなくなり、導体パター
ンの傷付き及び切断を防止できて、電波遮蔽性能の低下
を防ぐことができる。また、導体パターンのうち透明基
板の縁部に配置される部分の線幅寸法を他の部分の線幅
寸法よりも幅広にし、且つその幅広にした導体パターン
を本体枠に接触させる構成であるので、本体枠と導体パ
ターンとの接触面積を大きくできて接続を確実なものと
し得る。このため、網目状の導体パターンの線状部分が
本体枠に接続するから、従来構成とは異なり、該線状部
分が透明基板の縁部において多数突出することがなくな
り、上記線状部分がアンテナとなることがなくなる。According to the above means, since the mesh-shaped conductor pattern is formed on the surface of the transparent substrate on the side opposite to the cooking chamber, the conductor pattern does not hit the cooking vessel or the like, and the conductor pattern can be damaged and cut. It is possible to prevent the radio wave shielding performance from being lowered. Also, since the line width dimension of the portion of the conductor pattern arranged at the edge of the transparent substrate is wider than the line width dimension of the other portions, and the widened conductor pattern is in contact with the main body frame. In addition, the contact area between the main body frame and the conductor pattern can be increased, and the connection can be ensured. For this reason, since the linear portion of the mesh-shaped conductor pattern is connected to the main body frame, unlike the conventional configuration, the linear portion does not protrude a lot at the edge of the transparent substrate, and the linear portion is an antenna. It will not be.
【００１２】一方、上述した構成では、内バリヤを本体
枠に取付ける際に、導体パターンを本体枠に接触させた
ときに、その接触によって導体パターンが剥がれたり、
破損したりするおそれがある。このような場合におい
て、導体パターンのうち本体枠に接触させる部分の厚み
寸法を、他の部分の厚み寸法よりも厚く構成したので、
その部分の強度が高くなり、本体枠との接触によって該
導体パターンが破損することを極力防止できる。On the other hand, in the above-described configuration, when the inner barrier is attached to the main body frame, when the conductive pattern is brought into contact with the main body frame, the conductive pattern may be peeled off by the contact.
It may be damaged. In such a case, the thickness of the portion of the conductor pattern to be brought into contact with the body frame is configured to be thicker than the thickness of the other portions.
The strength of the portion is increased, and it is possible to prevent the conductor pattern from being damaged by contact with the main body frame as much as possible.
【００１３】[0013]
【実施例】以下、本発明の第１の実施例について図１な
いし図４を参照しながら説明する。まず、図２におい
て、電子レンジの本体１１の内部には、加熱調理室１２
が設けられている。この加熱調理室１２の前面開口部
は、扉１３により開閉されるようになっている。また、
本体１１の前面右方部には、操作パネル１４が配設され
ている。この操作パネル１４には、表示部１５及び各種
のスイッチ１６が配設されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. First, in FIG. 2, a cooking chamber 12 is provided inside a microwave oven body 11.
Is provided. The front opening of the cooking chamber 12 is opened and closed by a door 13. Also,
An operation panel 14 is provided on the right front portion of the main body 11. The operation panel 14 is provided with a display unit 15 and various switches 16.
【００１４】また、本体１１内における加熱調理室１２
の右外側には、図示しないマグネトロンが設けられてい
る。このマグネトロンが発振駆動されると、高周波が加
熱調理室１２内へ供給されて該加熱調理室１２内に収容
された食品（図示しない）へ照射され、該食品がレンジ
調理されるようになっている。A cooking chamber 12 in the main body 11 is provided.
A magnetron (not shown) is provided on the right outside of the. When the magnetron is driven to oscillate, a high frequency wave is supplied into the cooking chamber 12 and radiated to food (not shown) accommodated in the cooking chamber 12, so that the food is cooked in a microwave. I have.
【００１５】尚、上記加熱調理室１２の底部には、食品
を載置する回転テーブル（図示しない）を駆動するため
の駆動軸１７が突設されている。この駆動軸１７は、図
示しないモータにより回転駆動される。また、加熱調理
室１２の天井部には、オーブン調理用のヒータ１８が設
けられている。A driving shaft 17 for driving a rotary table (not shown) on which food is placed is provided at the bottom of the cooking chamber 12. The drive shaft 17 is driven to rotate by a motor (not shown). Further, a heater 18 for oven cooking is provided on the ceiling of the cooking chamber 12.
【００１６】さて、上記扉１３には、矩形状の庫内透視
部１９が設けられており、この庫内透視部１９から加熱
調理室１２内を覗くことが可能になっている。以下、扉
１３の構成について詳述する。即ち、図３に示すよう
に、扉１３の金属板製の本体枠２０の前面は、例えばガ
ラス板製の外バリヤ２１が取付けられている。この外バ
リヤ２１の内側に位置する本体枠２０の内周部には、そ
の全周にわたってフランジ部２２が垂直に形成されてい
る。The door 13 is provided with a rectangular interior see-through portion 19 from which the inside of the cooking chamber 12 can be viewed. Hereinafter, the configuration of the door 13 will be described in detail. That is, as shown in FIG. 3, an outer barrier 21 made of, for example, a glass plate is attached to the front surface of the main body frame 20 made of a metal plate of the door 13. A flange portion 22 is formed vertically on the entire inner periphery of the main body frame 20 located inside the outer barrier 21.
【００１７】このフランジ部２２には、接触板２３のフ
ランジ部２４が溶接されており、もって、接触板２３が
本体枠２０に一体的に設けられている。これら本体枠２
０及び接触板２３によって囲まれた空間部がチョーク溝
２５を構成している。また、本体枠２０と接触板２３の
外周部との間の開口部には、扉カバー２６が配設されて
いる。本体枠２０の外周部には、ドアサッシュ２７が取
付けられている。A flange 24 of a contact plate 23 is welded to the flange 22, so that the contact plate 23 is provided integrally with the main body frame 20. These body frames 2
The space surrounded by the zero and the contact plate 23 forms the choke groove 25. A door cover 26 is provided at an opening between the main body frame 20 and the outer peripheral portion of the contact plate 23. A door sash 27 is attached to an outer peripheral portion of the main body frame 20.
【００１８】さて、上記接触板２３のフランジ部２４の
後面には、内バリヤ２８が例えばシリコン接着剤２９に
より接着されている。この内バリヤ２８は、透明基板で
ある例えばガラス板３０と、このガラス板３０の反加熱
調理室１２側の面即ち図３中左面に形成された網目状
（図１及び図４参照）の導体パターン３１とから構成さ
れている。この場合、導体パターン３１は、ガラス板３
０の表面上に例えば無電解めっき又は導電性塗料のスク
リーン印刷により形成されている。ここで、無電解めっ
きは、予め触媒処理されたガラス板３０の表面に、金属
イオンを一定の自触媒還元作用によって付着させる処理
法である。An inner barrier 28 is adhered to the rear surface of the flange 24 of the contact plate 23 by, for example, a silicone adhesive 29. The inner barrier 28 includes, for example, a glass plate 30 which is a transparent substrate, and a mesh-shaped (see FIGS. 1 and 4) conductor formed on the surface of the glass plate 30 on the side opposite to the cooking chamber 12, that is, on the left side in FIG. 3. And a pattern 31. In this case, the conductor pattern 31 is
On the surface of No. 0, for example, it is formed by electroless plating or screen printing of a conductive paint. Here, the electroless plating is a treatment method in which metal ions adhere to the surface of the glass plate 30 which has been subjected to a catalytic treatment in advance by a certain autocatalytic reduction action.
【００１９】上記導体パターン３１は、厚み寸法が例え
ば０．２μ程度に設定されている。そして、導体パター
ン３１は、図１に示すように、網目即ち格子を構成する
線状部分３２の線幅寸法Ａが例えば４０μ程度に設定さ
れ、線状部分３２の中心線とその隣の線状部分３２の中
心線との間隔寸法Ｂが例えば１４０μ程度に設定されて
いる。The conductor pattern 31 has a thickness dimension of, for example, about 0.2 μm. As shown in FIG. 1, the conductor pattern 31 has a linear width A of a linear portion 32 forming a mesh, that is, a lattice, is set to, for example, about 40 μm, and a center line of the linear portion 32 and a linear shape adjacent thereto are formed. The distance B between the center line of the portion 32 and the center line is set to, for example, about 140 μm.
【００２０】ここで、導体パターン３１のうちガラス板
３０の縁部に配置される部分である例えば枠状部分３３
の線幅寸法Ｃは、例えば８０μ程度に設定されている。
これにより、導体パターン３１のうちガラス板３０の縁
部に配置される部分の線幅寸法Ｃが、他の部分の線幅寸
法Ａよりも幅広になっている。Here, for example, a frame-shaped portion 33 which is a portion of the conductor pattern 31 which is arranged at the edge of the glass plate 30
Is set to, for example, about 80 μm.
As a result, the line width dimension C of the portion of the conductor pattern 31 arranged at the edge of the glass plate 30 is wider than the line width dimension A of the other portions.
【００２１】そして、この幅広に構成した導体パターン
３１の枠状部分３３を、接触板２３のフランジ部２４の
後面に直接接触させている。つまり、シリコン接着剤２
９は、ガラス板３０の外周部とフランジ部２４との間に
塗布されている。The wide frame-shaped portion 33 of the conductor pattern 31 is in direct contact with the rear surface of the flange portion 24 of the contact plate 23. That is, the silicone adhesive 2
9 is applied between the outer peripheral portion of the glass plate 30 and the flange portion 24.
【００２２】しかして、上記構成において、マグネトロ
ンを駆動することにより高周波を食品に照射してレンジ
調理を実行する。この場合、高周波の一部が扉１３側へ
照射されるが、その高周波は、図３に示すように、接触
板２３、チョーク溝２５、本体１１の前板部１１ａ等に
よって順次減衰されるので外部へ漏洩しない。また、庫
内透視部１９へ照射された高周波は、内バリヤ２８の導
体パターン３１によって遮蔽される。上記導体パターン
３１にのった高周波は、該導体パターン３１の枠状部分
３３と本体枠２０との接触により遮蔽される。Thus, in the above configuration, the high frequency is radiated to the food by driving the magnetron, thereby performing range cooking. In this case, a part of the high frequency is irradiated to the door 13 side, but the high frequency is sequentially attenuated by the contact plate 23, the choke groove 25, the front plate 11a of the main body 11, and the like as shown in FIG. Does not leak outside. Further, the high-frequency wave applied to the in-compartment see-through portion 19 is shielded by the conductor pattern 31 of the inner barrier 28. The high frequency on the conductor pattern 31 is shielded by the contact between the frame portion 33 of the conductor pattern 31 and the main body frame 20.
【００２３】このような構成の本実施例によれば、網目
状の導体パターン３１をガラス板３０に無電解めっき等
により形成したので、パンチング加工上の制約がなくな
り、孔の数（密集度合）を多くでき、それだけ、庫内の
視認性を高くし得る。また、導体パターン３１をガラス
板３０の反加熱調理室側の面に形成したので、導体パタ
ーン３１に調理容器等が当たることがなくなり、導体パ
ターン３１の傷付き及び切断を防止できる。このため、
導体パターン３１の電波遮蔽性能の低下を防止すること
ができる。According to the present embodiment having such a configuration, since the mesh-shaped conductor pattern 31 is formed on the glass plate 30 by electroless plating or the like, there is no restriction on punching, and the number of holes (density) is reduced. Can be increased, and the visibility inside the refrigerator can be increased accordingly. Further, since the conductive pattern 31 is formed on the surface of the glass plate 30 on the side opposite to the cooking chamber, the cooking container or the like does not hit the conductive pattern 31, and the conductive pattern 31 can be prevented from being damaged and cut. For this reason,
It is possible to prevent a decrease in the radio wave shielding performance of the conductor pattern 31.
【００２４】また、導体パターン３１のうちガラス板３
０の縁部に配置される部分、即ち枠状部分３３の線幅寸
法を他の部分の線幅寸法よりも幅広にし、且つその幅広
にした枠状部分３３を本体枠２０に接触させる構成であ
るので、本体枠２０と導体パターン３１との接触面積を
大きくできて両者の接続を確実なものとし得る。このた
め、網目状の導体パターン３１の線状部分３２が本体枠
２０に確実に接続するから、従来構成（図７参照）とは
異なり、該線状部分３２がガラス板３０の縁部において
多数突出することがなくなり、上記線状部分３２がアン
テナとなることをなくし得る。従って、電波遮蔽性能の
低下を防止することができる。The glass plate 3 of the conductor pattern 31
The configuration is such that the line width dimension of the portion arranged at the edge of 0, that is, the frame portion 33 is wider than the line width size of the other portions, and the widened frame portion 33 is brought into contact with the main body frame 20. Therefore, the contact area between the main body frame 20 and the conductor pattern 31 can be increased, and the connection between the two can be ensured. For this reason, since the linear portions 32 of the mesh-shaped conductor pattern 31 are securely connected to the main body frame 20, unlike the conventional configuration (see FIG. 7), the linear portions 32 are many at the edges of the glass plate 30. It does not protrude, and the linear portion 32 can be prevented from becoming an antenna. Therefore, it is possible to prevent a reduction in the radio wave shielding performance.
【００２５】尚、上記実施例では、導体パターン３１の
うちガラス板３０の縁部に配置される部分を枠状部分３
３としたが、これに代えて、図５に示すように、導体パ
ターンのうちガラス板の縁部に配置される線状部分３４
の線幅寸法Ｄを、他の部分３２の線幅寸法Ａよりも幅広
に構成するだけに止め、隣の線状部分３４と接触しない
状態となるように構成しても良い。In the above embodiment, the portion of the conductor pattern 31 arranged at the edge of the glass plate 30 is
3, but instead of this, as shown in FIG. 5, a linear portion 34 of the conductor pattern which is arranged at the edge of the glass plate.
The line width dimension D of the other portion 32 may be configured to be wider than the line width dimension A of the other portion 32, and the line width dimension D may not be in contact with the adjacent linear portion 34.
【００２６】また、上記実施例では、透明基板としてガ
ラス板３０を用いたが、代わりにプラスチック製の透明
板を用いても良い。Although the glass plate 30 is used as the transparent substrate in the above embodiment, a plastic transparent plate may be used instead.
【００２７】図６は本発明の第２の実施例を示すもの
で、第１の実施例と異なるところを説明する。図６は、
内バリヤ３５の縁部の拡大断面図である。この図６にお
いて、内バリヤ３５は、ガラス板３６及びこのガラス板
３６の片面に形成された導体パターン３７から構成され
ている。導体パターン３７のうち本体枠２０に接触させ
る部分３８の厚み寸法Ｅを、他の部分３９の厚み寸法Ｆ
よりも厚く構成している。この場合、厚み寸法Ｅを０．
４μ程度、厚み寸法Ｆを０．２μ程度に設定している。FIG. 6 shows a second embodiment of the present invention, and the differences from the first embodiment will be described. FIG.
It is an expanded sectional view of the edge of the inner barrier 35. In FIG. 6, the inner barrier 35 is composed of a glass plate 36 and a conductor pattern 37 formed on one surface of the glass plate 36. The thickness E of the portion 38 of the conductor pattern 37 that contacts the main body frame 20 is changed to the thickness F of the other portion 39.
It is thicker than it is. In this case, the thickness E is set to 0.
The thickness F is set to about 0.2 μ and the thickness F is set to about 0.2 μ.
【００２８】この第２の実施例においても、第１の実施
例とほぼ同様な作用効果を得ることができる。特に、内
バリヤ３５を本体枠２０に取付ける際に、導体パターン
３７を本体枠２０に接触させたときに、その接触によっ
て導体パターン３７が剥がれたり、破損したりするおそ
れがある。このような場合において、導体パターン３７
のうち本体枠２０に接触させる部分３８の厚み寸法Ｅ
を、他の部分３９の厚み寸法Ｆよりも厚く構成したの
で、その部分３８の強度が高くなり、本体枠２０との接
触によって導体パターン３７の上記部分３８が破損する
ことを極力防止できる。In the second embodiment, substantially the same functions and effects as those of the first embodiment can be obtained. In particular, when the conductor pattern 37 is brought into contact with the main body frame 20 when the inner barrier 35 is attached to the main body frame 20, the conductor pattern 37 may be peeled off or damaged by the contact. In such a case, the conductor pattern 37
Thickness E of the portion 38 of the
Is configured to be thicker than the thickness dimension F of the other portion 39, the strength of the portion 38 is increased, and damage to the portion 38 of the conductor pattern 37 due to contact with the main body frame 20 can be prevented as much as possible.
【００２９】[0029]
【発明の効果】本発明は、以上説明した通りであるの
で、次の効果を得ることができる。Since the present invention is as described above, the following effects can be obtained.
【００３０】請求項１の電子レンジにおいては、内バリ
ヤを、透明基板と、この透明基板の反加熱調理室側の面
に形成された網目状又は格子状をなす導体パターンとか
ら構成し、前記導体パターンを、前記透明基板の縁部に
配置される枠状部分と、この枠状部分の内側に接続配置
されて網目又は格子を構成する線状部分とから構成し、
前記枠状部分の線幅寸法を前記線状部分の線幅寸法より
も幅広にし、且つその幅広にした導体パターンを本体枠
に接触させる構成としたので、庫内の視認性を向上でき
るものでありながら、電波遮蔽性能の低下を防止でき、
また、部品点数を削減できる。請求項２の電子レンジに
おいては、導体パターンの網目又は格子を構成する線状
部分のうちの透明基板の縁部に配置される先端部分の線
幅寸法を、線状部分の他の部分の線幅寸法よりも幅広に
し、且つその幅広にした導体パターンを本体枠に接触さ
せるように構成したので、請求項１の電子レンジとほぼ
同様な作用効果を得ることができる。 [0030] In the microwave oven according to claim 1, the inner barrier, and composed of a transparent substrate, the conductive pattern forming the anti cooking chamber side surface which is formed in a mesh shape or a lattice shape of the transparent substrate, wherein Conductor pattern on the edge of the transparent substrate
Frame-shaped part to be arranged and connection arrangement inside this frame-shaped part
And a linear portion that constitutes a mesh or lattice,
Since the line width of the frame-shaped portion is wider than the line width of the line-shaped portion, and the widened conductor pattern is brought into contact with the main body frame, visibility in the refrigerator can be improved. While there is, we can prevent decrease of electric wave shielding performance,
Also, the number of parts can be reduced. In the microwave oven of claim 2
In the form of a wire that constitutes the mesh or grid of the conductor pattern
Line of the tip part located at the edge of the transparent substrate of the part
Make the width dimension wider than the line width dimension of other parts of the linear part
The conductor pattern that has been widened
So that it is almost the same as the microwave oven of claim 1.
Similar effects can be obtained.
【００３１】請求項３の電子レンジにおいては、導体パ
ターンのうち本体枠に接触させる部分の厚み寸法を、他
の部分の厚み寸法よりも厚くする構成としたので、本体
枠に内バリヤを取付けるとき、本体枠との接触によって
導体パターンが破損することを極力防止できる。In the microwave oven according to the third aspect , the thickness of the portion of the conductor pattern that is in contact with the main frame is made larger than the thickness of the other portions. In addition, it is possible to prevent the conductor pattern from being damaged by contact with the body frame as much as possible.
【図１】本発明の一実施例を示す導体パターンの部分平
面図FIG. 1 is a partial plan view of a conductor pattern showing one embodiment of the present invention.
【図２】全体の斜視図FIG. 2 is an overall perspective view.
【図３】扉の部分断面図FIG. 3 is a partial sectional view of a door.
【図４】導体パターンの平面図FIG. 4 is a plan view of a conductor pattern.
【図５】本発明の変形例を示す図１相当図FIG. 5 is a diagram corresponding to FIG. 1 showing a modification of the present invention.
【図６】本発明の第２の実施例を示す内バリアの部分断
面図FIG. 6 is a partial cross-sectional view of an inner barrier according to a second embodiment of the present invention.
【図７】従来構成を示す図１相当図FIG. 7 is a diagram corresponding to FIG. 1 showing a conventional configuration.
１１は本体、１２は加熱調理室、１３は扉、１９は庫内
透視部、２０は本体枠、２８は内バリヤ、３０はガラス
板（透明基板）、３１は導体パターン、３２は線状部
分、３３は枠状部分、３５は内バリヤ、３６はガラス板
（透明基板）、３７は導体パターンを示す。11 is a main body, 12 is a cooking chamber, 13 is a door, 19 is a see-through part in a refrigerator, 20 is a main body frame, 28 is an inner barrier, 30 is a glass plate (transparent substrate), 31 is a conductor pattern, and 32 is a linear portion. 33, a frame-like portion, 35, an inner barrier, 36, a glass plate (transparent substrate), and 37, a conductor pattern.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭51−3102（ＪＰ，Ａ) 実開 昭55−44599（ＪＰ，Ｕ) 実開 昭62−188089（ＪＰ，Ｕ) 実開 昭62−133399（ＪＰ，Ｕ) 実公 昭47−33520（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) H05B 6/76 F24C 7/02 521 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-51-3102 (JP, A) JP-A-54-144598 (JP, U) JP-A-62-188089 (JP, U) JP-A-62-188089 133399 (JP, U) Jikken 47-35020 (JP, Y1) (58) Field surveyed (Int. Cl. 7 , DB name) H05B 6/76 F24C 7/02 521
Claims (3)
遮蔽用の内バリヤを取付けて成る電子レンジにおいて、 前記内バリヤを、透明基板と、この透明基板の反加熱調
理室側の面に無電界めっき又は導電性塗料のスクリーン
印刷により形成された網目状又は格子状をなす導体パタ
ーンとから構成し、前記導体パターンを、前記透明基板の縁部に配置される
枠状部分と、この枠状部分の内側に接続配置されて網目
又は格子を構成する線状部分とから構成し、 前記枠状部分の線幅寸法を前記線状部分の 線幅寸法より
も幅広にし、且つその幅広にした導体パターンを前記本
体枠に接触させるように構成したことを特徴とする電子
レンジ。1. A microwave oven in which an inner barrier for radio wave shielding is attached to a main body frame of a door that opens and closes a cooking chamber, wherein the inner barrier includes a transparent substrate and a surface of the transparent substrate on a side opposite to the cooking chamber. And a conductor pattern in the form of a mesh or lattice formed by electroless plating or screen printing of a conductive paint, and the conductor pattern is arranged at an edge of the transparent substrate.
A frame-shaped portion and a mesh connected inside the frame-shaped portion
Or a linear portion constituting a lattice, wherein the line width of the frame portion is wider than the line width of the linear portion, and the widened conductor pattern is brought into contact with the main body frame. A microwave oven characterized in that:
遮蔽用の内バリヤを取付けて成る電子レンジにおいて、 前記内バリヤを、透明基板と、この透明基板の反加熱調
理室側の面に無電界めっき又は導電性塗料のスクリーン
印刷により形成された網目状又は格子状をなす導体パタ
ーンとから構成し、 前記導体パターンの網目又は格子を構成する線状部分の
うちの前記透明基板の縁部に配置される先端部分の線幅
寸法を、前記線状部分の他の部分の線幅寸法よりも幅広
にし、且つその幅広にした導体パターンを前記本体枠に
接触させるように構成したことを特徴とする 電子レン
ジ。2. A radio wave is applied to a body frame of a door for opening and closing the cooking chamber.
In a microwave oven provided with an inner barrier for shielding, the inner barrier is made of a transparent substrate and an anti-heating controller for the transparent substrate.
Electroless plating or conductive paint screen on the science room side
Conductor pattern in the form of a mesh or grid formed by printing
And a linear portion constituting the mesh or grid of the conductor pattern.
Line width of the front end portion arranged at the edge of the transparent substrate
The dimension is wider than the line width dimension of the other part of the linear part.
And the widened conductor pattern is attached to the body frame.
A microwave oven characterized in that it is configured to be brought into contact .
接触させる部分の厚み寸法を、他の部分の厚み寸法より
も厚く構成したことを特徴とする請求項１又は２記載の
電子レンジ。3. The method according to claim 2 , wherein the main body frame of the conductor pattern is
Make the thickness of the part to be contacted larger than the thickness of the other parts
The microwave oven according to claim 1 or 2, wherein the microwave oven is also thick .
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07461191A JP3204677B2 (en) | 1991-03-14 | 1991-03-14 | microwave |
| EP92302033A EP0503899B1 (en) | 1991-03-14 | 1992-03-10 | Microwave oven |
| DE69203008T DE69203008T2 (en) | 1991-03-14 | 1992-03-10 | Microwave oven. |
| KR1019920004194A KR960005770B1 (en) | 1991-03-14 | 1992-03-13 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07461191A JP3204677B2 (en) | 1991-03-14 | 1991-03-14 | microwave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04284394A JPH04284394A (en) | 1992-10-08 |
| JP3204677B2 true JP3204677B2 (en) | 2001-09-04 |
Family
ID=13552145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07461191A Expired - Fee Related JP3204677B2 (en) | 1991-03-14 | 1991-03-14 | microwave |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0503899B1 (en) |
| JP (1) | JP3204677B2 (en) |
| KR (1) | KR960005770B1 (en) |
| DE (1) | DE69203008T2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101852157B1 (en) * | 2016-08-05 | 2018-04-25 | 오준석 | A hand protector |
| US11849526B2 (en) | 2020-03-31 | 2023-12-19 | Midea Group Co., Ltd. | Microwave cooking appliance with increased visibility into the cavity |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100486588B1 (en) * | 2002-10-24 | 2005-05-03 | 엘지전자 주식회사 | Door for electronic range |
| DE10256624B4 (en) * | 2002-12-03 | 2005-12-08 | Miele & Cie. Kg | microwave oven |
| DE102017218832A1 (en) | 2017-10-23 | 2019-04-25 | BSH Hausgeräte GmbH | Door for a household microwave oven |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484397A1 (en) * | 1980-06-16 | 1981-12-18 | Trois Fontaines Verreries | Safety glass for microwave appts. - with impermeable conducting barrier formed by metallic mesh |
| IT1163631B (en) * | 1983-06-30 | 1987-04-08 | Eurodomestici Ind Riunite | METHOD FOR CONSTRUCTION OF DOORS FOR DOMESTIC MICROWAVE AND RESISTIVE HEATING AND DOOR OBTAINED OPERATORS |
| JPS61146737A (en) * | 1984-12-19 | 1986-07-04 | Mie Yushi Kako Kk | Manufacture of microwave shielding sheet for transparent window |
| JPS62256969A (en) * | 1986-04-30 | 1987-11-09 | Mitsubishi Electric Corp | Forming and electrodepositing method for fiber-reinforced type metallic composite material |
| JPH01286286A (en) * | 1988-05-13 | 1989-11-17 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| DE3922443C3 (en) * | 1989-07-07 | 1996-04-25 | Bosch Siemens Hausgeraete | Microwave oven with a heat reflecting window |
-
1991
- 1991-03-14 JP JP07461191A patent/JP3204677B2/en not_active Expired - Fee Related
-
1992
- 1992-03-10 DE DE69203008T patent/DE69203008T2/en not_active Expired - Fee Related
- 1992-03-10 EP EP92302033A patent/EP0503899B1/en not_active Expired - Lifetime
- 1992-03-13 KR KR1019920004194A patent/KR960005770B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101852157B1 (en) * | 2016-08-05 | 2018-04-25 | 오준석 | A hand protector |
| US11849526B2 (en) | 2020-03-31 | 2023-12-19 | Midea Group Co., Ltd. | Microwave cooking appliance with increased visibility into the cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69203008T2 (en) | 1996-01-18 |
| EP0503899A3 (en) | 1992-11-19 |
| JPH04284394A (en) | 1992-10-08 |
| EP0503899A2 (en) | 1992-09-16 |
| KR960005770B1 (en) | 1996-05-01 |
| DE69203008D1 (en) | 1995-07-27 |
| KR920018418A (en) | 1992-10-22 |
| EP0503899B1 (en) | 1995-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |