JPS5973886A - High frequency heater - Google Patents
High frequency heaterInfo
- Publication number
- JPS5973886A JPS5973886A JP18253782A JP18253782A JPS5973886A JP S5973886 A JPS5973886 A JP S5973886A JP 18253782 A JP18253782 A JP 18253782A JP 18253782 A JP18253782 A JP 18253782A JP S5973886 A JPS5973886 A JP S5973886A
- Authority
- JP
- Japan
- Prior art keywords
- heating chamber
- outer box
- chamber
- plate
- storage 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.)
- Granted
Links
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Electric Ovens (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は加熱室内に載置された被調理食品がヒータま
たは高周波によって加熱調理でれる高周波加熱装置の改
良に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an improvement in a high-frequency heating device in which food to be cooked placed in a heating chamber is heated and cooked by a heater or high-frequency waves.
第１図乃至第３図は従来の高周波加熱装置、例えばオー
ブンレンジを示すもので、１は外箱である。この外箱１
の前面にに扉２が設けられているとともに、この扉２の
右側には表示板や各種の操作釦等が配設された操作部３
が設けられている。また、外箱１の内部には扉２によっ
て開閉される加熱室４が設けられている。この加熱室４
の内部には上部ヒータ５および下部ヒータ６の各発熱部
５ｈ＊６ｈがそれぞれ配設されている。これらの上部、
下部ヒータ５．６はそれぞれ前記発熱部５ａ＋６ａと接
続端部５ｂ。1 to 3 show a conventional high-frequency heating device, for example, a microwave oven, and 1 is an outer box. This outer box 1
A door 2 is provided on the front of the , and an operation section 3 on the right side of the door 2 is provided with a display board and various operation buttons.
is provided. Furthermore, a heating chamber 4 that is opened and closed by a door 2 is provided inside the outer box 1. This heating chamber 4
Heat generating portions 5h*6h of the upper heater 5 and the lower heater 6 are respectively disposed inside. The top of these,
The lower heaters 5.6 include the heat generating portions 5a+6a and the connecting end portions 5b, respectively.
６ｂとから形成されている。そして、上部ヒータ５の接
続端部５ｂは加熱室４の背板７に設けられた取付孔を介
して加熱室４の後方に導出され、リード線等に接続畜れ
た状態で固定されている。さらに、下部ヒータ６の接続
端部６ｂＦｉ加熱室４の背板７に設けられた取付孔を介
して加熱室４の後方に導出され、背板７の外面に取付け
られたヒータ取付具８に着脱自在に接続されている。ま
た、外箱１の内部には加熱室４の右側で、かつ操作部３
の内側に電気部品の収納室９が設けられている。この収
納室９０内部にはマグネトロン（高周波発振器）１０が
配設されている。このマグネトロン１０から出力された
高周波に導波管１１を介して導かれ、加熱室４の天井板
１２に設けられた励振口から加熱室４の内部に導入され
るようになっている。さらに、収納室９の内部にはマグ
ネトロン１０とと゛ もに高圧トランス１３．コンチン
サ１４．整流器１５等の高周波発振用の高圧電気部品や
これらの高圧電気部品を冷却する冷却用のファン１６お
よび高圧電気部品、ファン１６．ヒータ５．６等の動作
を制御するり゛レー等の制御用電気部品１７やプリント
基板１８等の各種の電気−０
部器がそれぞれ装着されている。また、加熱室４の右側
板１９の外側には右側板１９に対し適宜間隔を存して遮
熱板２０が配設されており、この遮熱板２０によって加
熱室４側の熱が収納室９側に直接輻射されることが防止
されるようになっている。6b. The connecting end 5b of the upper heater 5 is led out to the rear of the heating chamber 4 through a mounting hole provided in the back plate 7 of the heating chamber 4, and is fixed in a fixed state by being connected to a lead wire or the like. . Furthermore, the connecting end 6bFi of the lower heater 6 is led out to the rear of the heating chamber 4 through a mounting hole provided in the back plate 7 of the heating chamber 4, and is attached to and detached from the heater fixture 8 attached to the outer surface of the back plate 7. freely connected. Also, inside the outer box 1, there is a control section 3 on the right side of the heating chamber 4.
A storage chamber 9 for electrical components is provided inside. A magnetron (high frequency oscillator) 10 is disposed inside this storage chamber 90. The high frequency wave output from the magnetron 10 is guided through a waveguide 11 and introduced into the heating chamber 4 through an excitation port provided in a ceiling plate 12 of the heating chamber 4. Furthermore, inside the storage chamber 9, there is a magnetron 10 and a high voltage transformer 13. Continsa14. High-voltage electrical parts for high-frequency oscillation such as the rectifier 15, a cooling fan 16 for cooling these high-voltage electrical parts, high-voltage electrical parts, and fan 16. Various electrical components such as a control electrical component 17 such as a relay and a printed circuit board 18 for controlling the operation of the heaters 5 and 6 are respectively installed. Further, a heat shield plate 20 is disposed on the outside of the right side plate 19 of the heating chamber 4 at an appropriate distance from the right side plate 19, and this heat shield plate 20 allows the heat from the heating chamber 4 side to be transferred to the storage chamber. Direct radiation to the 9 side is prevented.
上部ヒータ５および下部ヒータ６の各接続端部５ｂ、６
ｂは加熱室４の背板７の後方に導出てれていたので、こ
れらの上部および下部ヒータ５，６の接続端部５ｂ 、
６ｂを収容するために加熱室４の背板７と外箱１の後板
２１との間に比較的大きな収容空間２２を設けなければ
ならない間隔がｈつだ。また、マグネトロン１０の動作
時における下部ヒータ６のアンテナ効果を防止するため
にヒータ取付具８の周囲にフェライト等の電波吸収体２
３を設けなければならなかったうえ、下部ヒータ６が、
゛ヒータ取付具８に着脱自在に設けられていたので、下
部ヒータ６の接続端部６ｂとヒータ取付具８との電気的
接続を確実に行なうためにヒータ取付具８の奥行方向の
長１寸法ａを比較的長くしなければならない問題がめっ
た。そのため、加熱室４の後方に形成される収容空間２
２の奥行寸法Ａ７５；大きくなり易く、装置全体が大形
化する欠点力；あり、大′Ｉ！！な据付はスイースが必
要になる難点カーめった。また、加熱室４の右側の収納
室９内には限られた収容ス４−ス内に多数の電気部品７
５！収納されているので、製作時には高圧電気部品等の
各電気部品と制御用電気部品１７との間の配線作業等が
雌しいうえ１．保守・点検等の作業２０００Ｖ程度の高
電圧が作用し、発熱量力玉大きい高圧トランス１３等の
各種の高圧電気部品（第１の電気部品）と約１００’Ｖ
程度の電圧しか作用せず、発熱量の小さい各種の制御用
電気部品１７（第２の電気部品）とが同じ収納室９内に
装着されていだので、高圧トランス１３やマグネトロン
１０等の発熱や漏れ磁界等が制御用電気部品１７等に影
響し易い問題がありた。Connection ends 5b, 6 of upper heater 5 and lower heater 6
b was led out to the rear of the back plate 7 of the heating chamber 4, so the connecting ends 5b of these upper and lower heaters 5, 6,
6b, a relatively large accommodation space 22 must be provided between the back plate 7 of the heating chamber 4 and the rear plate 21 of the outer box 1, and the distance is h. Furthermore, in order to prevent the antenna effect of the lower heater 6 during operation of the magnetron 10, a radio wave absorber 2 such as ferrite is placed around the heater mount 8.
3 had to be provided, and the lower heater 6
゛Since it was removably attached to the heater mount 8, one dimension in the depth direction of the heater mount 8 is required to ensure electrical connection between the connection end 6b of the lower heater 6 and the heater mount 8. There were very few problems where a had to be made relatively long. Therefore, the housing space 2 formed at the rear of the heating chamber 4
Depth dimension A75 of 2; Disadvantage that it tends to become large and the entire device becomes large; Yes, large 'I! ! Installation is often difficult because it requires a swivel. In addition, in the storage chamber 9 on the right side of the heating chamber 4, there are many electrical components 7 in a limited storage space.
5! Since it is housed in a storage space, wiring work between each electrical component such as high-voltage electrical components and the control electrical component 17 is difficult during production.1. A high voltage of about 2000V is applied during maintenance and inspection work, and the voltage of about 100V is applied to various high-voltage electrical parts (first electrical parts) such as the high-voltage transformer 13, which generates a large amount of heat.
Since various control electrical components 17 (second electrical components) that only apply a moderate voltage and produce a small amount of heat are installed in the same storage chamber 9, heat generated by the high voltage transformer 13, magnetron 10, etc. There was a problem in that the leakage magnetic field and the like easily affected the control electrical components 17 and the like.
そのため、これらの制御用電気部品１２が誤動作金起こ
すおそれがあるとともに、耐久性７５玉低下する問題も
あった。Therefore, there is a risk that these control electric components 12 may malfunction, and there is also a problem that the durability is reduced by 75 points.
この発明は内部空間を有効に利用することにより全体の
小形化が図れるとともに、製作時における配線作業や保
守・点検等の作業の容易化が図れ、さらに誤動作の防止
および耐久性の向上を図ることができる高周波加熱装置
を提供することを目的とするものである。This invention makes it possible to reduce the overall size by effectively utilizing the internal space, and also to facilitate wiring work, maintenance, and inspection during manufacturing, and to prevent malfunctions and improve durability. The purpose of this invention is to provide a high-frequency heating device that can perform the following steps.
加熱室の背板と外箱の後板との間に電気部品の収納室を
設け、この収納室内に高周波発振器や高圧トランス等の
発熱量の大きい第１の電気部品および冷却用のファンを
配設するとともに、外箱の前面に設けられている扉の上
方または下方に操作部を設け、この操作部の内側に制御
用電気部品等の発熱量の小さい第２の電気部品を配設す
るようにしたものである。A storage chamber for electrical components is provided between the back plate of the heating chamber and the rear panel of the outer box, and first electrical components that generate a large amount of heat, such as a high frequency oscillator and a high voltage transformer, and a cooling fan are arranged in this storage chamber. At the same time, an operating section is provided above or below the door provided on the front of the outer box, and a second electrical component with a small heat output such as a control electrical component is arranged inside this operating section. This is what I did.
第４図乃至第９図はこの発明の一実施例を示すものであ
る。第４図は高周波加熱装置、例えばオーブンレンジの
外観を示すもので、３１は外箱である。この外箱３１の
前面には扉３２が設けられているとともに、この扉３２
の下方には表示板や各種の操作釦等が配設された操作部
３３が設けられている。また、外箱３１の内部には扉３
２によって開閉される加熱室３４が設けられている。こ
の加熱室３４の内部には上部ヒータ３５および下部ヒー
タ３６の各発熱部３６ｇと接続端部３５ｂ、３６ｂとか
ら形成されている。そして、上部ヒータ３５の接続端部
３５ｂは加熱室３４の背板３７に設けられた取付孔を介
して加熱室３４の後方に導出され、リード線等に接続さ
れた状態でヒ−タ取付具３５ｃに固定されている。さら
に、下部ヒータ３６の接続端部、？ ６ ｂは加熱室３
４の背板３７に設けられた取付孔を介して加熱室３４の
後方に導出され、背板３７の外面に取付けられたヒータ
取付具３８に着脱自在に接続后れている。このヒータ取
付具３８の周囲にはフェライト等の電波吸収体３９が取
付けられている。また、外箱３１の内部には加熱室３４
の背板３７と外箱３１の後板４０との間に電気部品の収
納室４１が形成されている。この収納室４１の内部には
マグネトロン（高周波発振器）４２が配設されている。4 to 9 show an embodiment of the present invention. FIG. 4 shows the external appearance of a high-frequency heating device, for example, a microwave oven, and 31 is an outer box. A door 32 is provided on the front of this outer box 31, and this door 32
An operation section 33 is provided below, in which a display board, various operation buttons, etc. are arranged. In addition, a door 3 is provided inside the outer box 31.
A heating chamber 34 is provided which is opened and closed by 2. Inside the heating chamber 34, there are formed heat generating parts 36g of an upper heater 35 and a lower heater 36, and connection ends 35b and 36b. The connecting end 35b of the upper heater 35 is led out to the rear of the heating chamber 34 through a mounting hole provided in the back plate 37 of the heating chamber 34, and is connected to a lead wire or the like in the heater mount. It is fixed at 35c. Furthermore, the connection end of the lower heater 36, ? 6 b is heating chamber 3
It is led out to the rear of the heating chamber 34 through a mounting hole provided in the back plate 37 of No. 4, and is removably connected to a heater fixture 38 attached to the outer surface of the back plate 37. A radio wave absorber 39 such as ferrite is attached around the heater fixture 38. Additionally, a heating chamber 34 is provided inside the outer box 31.
A storage chamber 41 for storing electrical components is formed between the back plate 37 of the outer box 31 and the rear plate 40 of the outer box 31. A magnetron (high frequency oscillator) 42 is arranged inside this storage chamber 41 .
このマグネトロン４２は導波管４３の基端部に取付けら
れており、マグネトロン４２から出力された高周波に導
波管４３を介して導かれ、加熱室３４の天井板４４に設
けられた励振口４４ａから加熱室３４の内部に導入され
るようになっている。さらに、収納室４１の内部にはマ
グネトロン４２とともに高圧トランス４５、コンデンサ
４６．整流器４７等の高周波発振用で発熱量の大きい高
圧電気部品（第１の電気部品）４８およびこれらの高圧
電気部品４８を冷却する冷却ファン４９が配設されてい
る。また、加熱室３４の背板３７の外側にはこの背板３
７より大きい遮熱板（支持体）５ｏが配設されている。This magnetron 42 is attached to the base end of a waveguide 43, and the high frequency wave output from the magnetron 42 is guided through the waveguide 43 to an excitation port 44a provided in the ceiling plate 44 of the heating chamber 34. The heating chamber 34 is introduced from the inside of the heating chamber 34. Furthermore, inside the storage chamber 41, along with the magnetron 42, a high voltage transformer 45, a capacitor 46, and so on are provided. A high-voltage electrical component (first electrical component) 48 that generates a large amount of heat and is used for high-frequency oscillation, such as a rectifier 47, and a cooling fan 49 that cools these high-voltage electrical components 48 are provided. Moreover, this back plate 3 is provided on the outside of the back plate 37 of the heating chamber 34.
A heat shield plate (support body) 5o larger than 7 is provided.
この遮熱板５ｏは加熱室３４の背板３７と略平行に配設
されている。また、この遮熱板５０には第９図に示すよ
うに複数の切起こし片５１・・・が形成されており、加
熱室３４の背板３７に対し所定間隔離間させた状態でね
じ５２・・・によってこれらの切起こし片５１°°°を
介して遮熱板５０が加熱・室３４に固着されている。き
らに、この遮熱板５０の下端部は第８図に示すように外
箱３１の底板５３に切起こしによって形成された複数の
突設部５４・・・にねじ５５・・・によって固着されて
いる。したがって、この遮熱板５０によって加熱室３４
の背部が支持されるとともに、加熱室３４側の熱が収納
室４ノ側に輻射されることが防止゛されるようになって
いる。また、この収納室４１の略中夫には収納室４１の
内部を第１．第２の収納部５６゜５７に仕切る仕切板（
補強部材）５８が配設されている。この仕切板５８は遮
熱板５０に対し略垂直に配置されており、この仕切板５
８の一側部は遮熱板５０に取着されている。さらに、こ
の仕切板５８の他側部は外箱３１の後板４０にねじ止め
されるとともに、下端部は外箱３１の底板５３にねじ止
めされている。また、この仕切板５８には上部に円形の
通風口５９が形成されており、この通風口５９に対応さ
せた状態で冷却ファン４９が取付板６０によって取付け
られている。）らに、前記ｉｔの収納部５６の内部には
マグネトロン４２、コンデンサ４６、整流器４７がそれ
ぞれ配設されており、第２の収納部５２の内部には高圧
トランス４５が配設されている。また、高圧トランス４
５は加熱室３４の底板６１、一方の側板６２および背板
３７がそれぞれ接合される角部と対向させた状態で外箱
３１の底板５３上に取付けられており。This heat shield plate 5o is arranged substantially parallel to the back plate 37 of the heating chamber 34. Further, as shown in FIG. 9, a plurality of cut and raised pieces 51 are formed on this heat shield plate 50, and screws 52 and 52 are formed at a predetermined distance from the back plate 37 of the heating chamber 34. The heat shield plate 50 is fixed to the heating chamber 34 through these cut and raised pieces 51°°. Furthermore, as shown in FIG. 8, the lower end of the heat shield plate 50 is fixed by screws 55 to a plurality of protrusions 54 formed by cutting and bending the bottom plate 53 of the outer box 31. ing. Therefore, by this heat shield plate 50, the heating chamber 34
The back of the storage chamber 34 is supported, and heat from the heating chamber 34 side is prevented from being radiated to the storage chamber 4 side. Moreover, the interior of the storage chamber 41 is located approximately at the center of the storage chamber 41. A partition plate that divides the second storage compartment into 56° and 57° (
A reinforcing member) 58 is provided. This partition plate 58 is arranged approximately perpendicularly to the heat shield plate 50.
One side of 8 is attached to a heat shield plate 50. Further, the other side of the partition plate 58 is screwed to the rear plate 40 of the outer box 31, and the lower end thereof is screwed to the bottom plate 53 of the outer box 31. Further, a circular ventilation hole 59 is formed in the upper part of this partition plate 58, and a cooling fan 49 is attached by a mounting plate 60 in a state corresponding to this ventilation hole 59. ) Furthermore, a magnetron 42, a capacitor 46, and a rectifier 47 are arranged inside the IT storage section 56, and a high voltage transformer 45 is arranged inside the second storage section 52. In addition, high voltage transformer 4
5 is mounted on the bottom plate 53 of the outer box 31 in such a manner that it faces the corners to which the bottom plate 61, one side plate 62, and the back plate 37 of the heating chamber 34 are respectively joined.
外箱３１の底板５３、一方の側板６３および後板４０’
、ＩＫニー、’ ！って形成てれる角部近傍に配置され
ている。この場合、高圧トランス４５の一部（は第６図
および第７図に示すように加熱室３４の底板６１の下方
に突出させた状態に配置されている。そのため、遮熱板
５０には高圧トランス４５の上面と加熱室３４の角部と
の間に配置された逆、Ｌ字状の漏水防止部６４が形成さ
れている。この漏水防止部６４の下方には開口部（導入
口）６５が形成されてお９、通風可能になっている。Bottom plate 53, one side plate 63 and rear plate 40' of outer box 31
, IK knee,' ! It is placed near the corner formed by the In this case, a part of the high voltage transformer 45 (as shown in FIGS. 6 and 7) is arranged in a state where it projects below the bottom plate 61 of the heating chamber 34. An inverted L-shaped water leakage prevention part 64 is formed between the upper surface of the transformer 45 and the corner of the heating chamber 34. Below this water leakage prevention part 64 is an opening (inlet) 65. 9, allowing for ventilation.
一方、前記操作部３３の内側の外箱３１の底板５３上に
は高圧電気部品４８．ファン４９゜ヒータ３５，３６等
の動作を制御するリレー等の制御用電気部品６６やプリ
ント基板６７等の発熱量の不埒い第２の電気部品６８が
配設されている。これらの第２の電気部品６８の各リー
ド線は遮熱板５０の下部に設けられた透孔６９を介して
収納室４１側に導出され、収納室４１内の各高圧電気部
品４８と接続されて（へる。さらに、外箱３１の底板５
３には収納室４１の外おジ、冷却ファン４９の駆動によ
り、これらの吸入ロア０・・・から吸入された冷却風は
収納室４１の外側から開口部６５を介して収納室４１の
第２の収納部５７内に導入され、高圧トランス４５を冷
却したのち通風口５９がら第１の収納室５６側に導かれ
、マグネトロン４２に吹き付けられるようになっている
。そしで′、マグネトロン４２に吹き付けられた冷却風
の一部はダクト７１を介して加熱室３４の内部に導かれ
、残りは外箱３１の後板４ｏに形成された多数の排気ロ
ア２・・・から外部に排出されるようになっている。On the other hand, high-voltage electrical components 48. A control electrical component 66 such as a relay for controlling the operations of the fan 49 and the heaters 35, 36, etc., and a second electrical component 68 such as a printed circuit board 67 that generates a large amount of heat are provided. Each lead wire of these second electrical components 68 is led out to the storage chamber 41 side through a through hole 69 provided at the lower part of the heat shield plate 50, and connected to each high voltage electrical component 48 in the storage chamber 41. In addition, the bottom plate 5 of the outer box 31
3, the cooling air sucked in from these suction lowers 0 . After cooling the high-voltage transformer 45, the air is introduced into the first storage chamber 56 through the ventilation port 59, and is blown onto the magnetron 42. Then, a part of the cooling air blown onto the magnetron 42 is guided into the heating chamber 34 through the duct 71, and the rest is directed to the numerous exhaust lowers 2 formed on the rear plate 4o of the outer box 31.・It is designed to be discharged from the outside.
また、外箱３１の後板４ｏは底板５３および天井板７３
の折曲縁部５３ｇ＋ ７Ｊａにそれぞれねじ７４・・・
によって着脱可能に取付けられている。さらに、この後
板４ｏには収納室４１内の電気部品の一部を収容する凹
陥部７５が形成されており、外箱３１から後板４ｏを取
外すことにより、収納室４１内の電気部品の一部が外方
に露出されるようになっている。In addition, the rear plate 4o of the outer box 31 includes a bottom plate 53 and a ceiling plate 73.
Attach screws 74 to the bent edges 53g + 7Ja respectively.
It is removably attached. Further, this rear plate 4o is formed with a recess 75 for accommodating some of the electrical components in the storage chamber 41, and by removing the rear plate 4o from the outer box 31, the electrical components in the storage chamber 41 can be removed. A portion is exposed to the outside.
そこで、上記構成のものにあっては加熱室３４の後方に
電気部品の収納室４１を設け、この収納室４１内に高圧
電気部品４８を収納するようにしたので、ヒータ取付具
３５ ｃ 、 、９８を収容するために加熱室３４の後
方に形成される空間を有効に利用することができるとと
もに、従来のように加熱室３４の側方に電気部品の収納
室を設ける必要がないので、横方向の長さ寸法を小さく
することができる。したがって、装置全体の小形化が図
れるとともに、据付はスイースの小さな場所にも据付け
ることができる。Therefore, in the above configuration, a storage chamber 41 for electrical components is provided behind the heating chamber 34, and the high voltage electrical components 48 are stored in this storage chamber 41, so that the heater fittings 35c, , 98 can be effectively used, and there is no need to provide a storage chamber for electrical components on the side of the heating chamber 34 as in the conventional case. The length dimension in the direction can be reduced. Therefore, the entire device can be downsized and can be installed in a small location in the sweep.
また、発熱量の大きな高圧電気部品４８が収納室４１内
に収納され、発熱量の小さな制御用電気部品６６等の第
２の電気部品６８が操作部３３の内側に配設嘔れている
ので、高圧電気部品４８と第２の電気部品６８との間の
配線作業を従来に比べて容易に行なうことができ、保守
・点検等の作業の容易化を図るこ゛とができる。さらに
、外箱３１の後板４０はねじ７４・・・によりて着脱可
能に取付けられているとともに、この後板４０には収納
室４１内の各電気部品の一部を収容する凹陥部７５が形
成されており、外箱３１から後板４０を取外すことによ
り、収納室４１内の電気部品の一部が外方に露出式れる
ようになっているので、収納室４）内の各電気部品の保
守・点検等の作業を一層容易に行なうことができる。ま
た、高圧電気部品４８と第２の電気部品６８との間には
遮熱板５０が配設されているとともに、高圧電気部品４
８から離した状態で第２の電気部品６８を配設すること
ができるので、高圧電気部品４８０発熱や漏れ磁界等を
第２の電気部品６８に影響させにくくすることができる
。そのため、第２の電気部品の誤動作を防止することが
できるとともに、耐久性の低下をも防止することができ
る。Furthermore, the high-voltage electrical component 48 that generates a large amount of heat is housed in the storage chamber 41, and the second electrical components 68 such as the control electrical component 66 that generates a small amount of heat are arranged inside the operating section 33. The wiring work between the high-voltage electrical component 48 and the second electrical component 68 can be performed more easily than in the past, and maintenance, inspection, and other tasks can be facilitated. Furthermore, the rear plate 40 of the outer box 31 is removably attached with screws 74 . By removing the rear plate 40 from the outer box 31, some of the electrical components inside the storage chamber 41 can be exposed to the outside. Maintenance, inspection, etc. can be performed more easily. Further, a heat shield plate 50 is disposed between the high voltage electrical component 48 and the second electrical component 68, and a heat shield plate 50 is provided between the high voltage electrical component 48 and the second electrical component 68.
Since the second electrical component 68 can be placed apart from the second electrical component 8, it is possible to make it difficult for the second electrical component 68 to be affected by heat generation, leakage magnetic field, etc. of the high voltage electrical component 480. Therefore, it is possible to prevent the second electrical component from malfunctioning, and also to prevent a decrease in durability.
なお、この発明は上記実施例に限定されるものではない
。例えば、操作部３３をＪ３３２の上方に設けるととも
に、加熱室４４の上方に断熱材等を介して第２の電気部
品６８を配設する構成にしてもよい。さらに、その他こ
の発明の要旨を逸脱しない範囲で種々変形実施できるこ
とは、勿論である。Note that this invention is not limited to the above embodiments. For example, the operating section 33 may be provided above the J332, and the second electrical component 68 may be provided above the heating chamber 44 via a heat insulating material or the like. Furthermore, it goes without saying that various other modifications can be made without departing from the gist of the invention.
この発明によれば、加熱室の背板と外箱の後板との間に
電気部品の収納室を設け、この収納室内に発熱量の大き
い第１の電気部品および冷却用のファンを配設するとと
もに、外箱の前面に設けられている扉の上方または下方
に操作部を設け、この操作部の内側に発熱量の小さい第
２の電気部品を配設するようにしたので、外箱と加熱室
との間に形成きれる内部を間を有効に利用することがで
き、全体の小形化が図れるとともに、製作時における配
線作業や保守・点検等の作業の容易化が図れ、さらに誤
動作の防止および耐久性の向上を図ることができる。According to this invention, a storage chamber for electrical components is provided between the back plate of the heating chamber and the rear plate of the outer box, and the first electrical component that generates a large amount of heat and a cooling fan are arranged in this storage chamber. At the same time, an operating section is provided above or below the door provided on the front of the outer box, and a second electrical component with a small amount of heat is placed inside this operating section, so that it can be easily connected to the outer box. The internal space formed between the heating chamber and the heating chamber can be used effectively, making the overall size smaller, making wiring work during manufacturing, maintenance and inspection easier, and preventing malfunctions. and durability can be improved.
第１図乃至第３図は従来例を示すもので、第１図は全体
の横断面図、第２図゛は第′１図の■−■線断面図、第
３図は第１図の■−■線断面図、第４図乃至第９図はこ
の発明の一実施例を示すもので、第４図は全体の外観を
示す斜視図、第５図は全体の横断面図、第６図は第５図
の■−■線断面図、第７図は第５図の■−■線断面図、
第８図は要部の斜視図、第９図は遮熱板の取付状態を示
す斜視図である。
３１・・・外箱、３２・・・扉、３３・・・操作部、３
４・・・加熱室、３５・・・上部ヒータ、３６・・・下
部ヒータ、３５＆、３６ｍ・・・発熱部、３５ｂ。
３６ｂ・・・接続端部、３７・・・背板、４０・・・後
板１．４１・・・収納室、４２・・・マグネトロン（高
周波発振器）、４８・・・高圧電気部品（第１の電気部
品）、４９・・・冷却ファン、６８・・・第２の電気部
品。
出願人代理人 弁理士 鈴 江 武 彦第 ６ 図
第 ７ 図Figures 1 to 3 show a conventional example. Figure 1 is a cross-sectional view of the whole, Figure 2 is a sectional view taken along the line ■-■ in Figure '1, and Figure 3 is a cross-sectional view of Figure 1. 4 to 9 show an embodiment of the present invention. FIG. 4 is a perspective view showing the overall appearance, FIG. 5 is a cross-sectional view of the entire structure, and FIG. The figure is a cross-sectional view taken along the line ■-■ in Figure 5, and Figure 7 is a cross-sectional view taken along the line ■-■ in Figure 5.
FIG. 8 is a perspective view of the main parts, and FIG. 9 is a perspective view showing the state in which the heat shield plate is attached. 31...Outer box, 32...Door, 33...Operation unit, 3
4...Heating chamber, 35...Upper heater, 36...Lower heater, 35&, 36m...Heating part, 35b. 36b... Connection end, 37... Back plate, 40... Back plate 1.41... Storage chamber, 42... Magnetron (high frequency oscillator), 48... High voltage electrical component (first ), 49... cooling fan, 68... second electrical component. Applicant's agent Patent attorney Takehiko Suzue Figure 6 Figure 7
Claims (2)
記外箱の前面に設けられた扉によって開閉されるととも
に、前記加熱室内に発熱部が配設されだヒータの接続端
部が前記加熱室の背板に取付けられ、前記加熱室の内部
に載置された被調理食品が前記ヒータの発熱部または高
周波発振器から出力される高周波によって加熱調理され
る高周波加熱装置において、前記加熱室の背板と前記外
箱の後板との間に電気部品の収納室を形成し、この収納
室内に発熱量の大きい第１の電気部品および冷却用のフ
ァンを配設するとともに、前記扉の上方または下方に操
作部を設け、この操作部の内側に発熱量の小さい第２の
電気部品を配設するようにしたことを特徴とする高周波
加熱装置。(1) A heating chamber is provided inside the outer box, and this heating chamber is opened and closed by a door provided on the front surface of the outer box, and a heat generating part is provided inside the heating chamber.A connection end of the heater is attached to the back plate of the heating chamber, and the food to be cooked placed inside the heating chamber is heated and cooked by high frequency waves output from a heat generating part of the heater or a high frequency oscillator. A storage chamber for electrical components is formed between the back plate of the chamber and the rear plate of the outer box, and a first electric component that generates a large amount of heat and a cooling fan are disposed in the storage chamber, and the door 1. A high-frequency heating device characterized in that an operating section is provided above or below the operating section, and a second electrical component with a small amount of heat is disposed inside the operating section.
に、この後板に収納室内の電気部品の一部を収容する凹
陥部が形成されたものであることを特徴とする特許請求
の範囲第（１）項記載の高周波加熱装置。(2) A patent claim characterized in that the outer box has a rear plate detachably attached thereto, and a recessed portion for accommodating a part of the electrical components in the storage chamber is formed in the rear plate. A high-frequency heating device according to scope (1).
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18253782A JPS5973886A (en) | 1982-10-18 | 1982-10-18 | High frequency heater |
| AU20106/83A AU545200B2 (en) | 1982-10-18 | 1983-10-12 | High frequency heating device |
| DE3337313A DE3337313A1 (en) | 1982-10-18 | 1983-10-13 | HIGH FREQUENCY HEATER |
| GB08327412A GB2129121B (en) | 1982-10-18 | 1983-10-13 | High-frequency heating device |
| NLAANVRAGE8303532,A NL185813C (en) | 1982-10-18 | 1983-10-14 | HIGH-FREQUENT HEATING DEVICE. |
| US06/541,912 US4549054A (en) | 1982-10-18 | 1983-10-14 | Microwave oven construction having separate component receiving chambers |
| CA000439123A CA1202374A (en) | 1982-10-18 | 1983-10-17 | High-frequency heating device |
| KR1019830004913A KR880000798B1 (en) | 1982-10-18 | 1983-10-18 | High-frequency heating device of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18253782A JPS5973886A (en) | 1982-10-18 | 1982-10-18 | High frequency heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5973886A true JPS5973886A (en) | 1984-04-26 |
| JPS6340037B2 JPS6340037B2 (en) | 1988-08-09 |
Family
ID=16120029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18253782A Granted JPS5973886A (en) | 1982-10-18 | 1982-10-18 | High frequency heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5973886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6810129B2 (en) | 2001-01-26 | 2004-10-26 | Mitsubishi Denki Kabushiki Kaisha | Waterproof speaker for use in an automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4911072U (en) * | 1972-05-04 | 1974-01-30 | ||
| JPS53118142U (en) * | 1977-02-28 | 1978-09-20 | ||
| JPS5414039A (en) * | 1977-07-05 | 1979-02-01 | Sharp Corp | Electric oven |
-
1982
- 1982-10-18 JP JP18253782A patent/JPS5973886A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4911072U (en) * | 1972-05-04 | 1974-01-30 | ||
| JPS53118142U (en) * | 1977-02-28 | 1978-09-20 | ||
| JPS5414039A (en) * | 1977-07-05 | 1979-02-01 | Sharp Corp | Electric oven |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6810129B2 (en) | 2001-01-26 | 2004-10-26 | Mitsubishi Denki Kabushiki Kaisha | Waterproof speaker for use in an automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6340037B2 (en) | 1988-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3115257B2 (en) | microwave | |
| JP2002221324A (en) | Cooling device for electric accessory part for combination hood and microwave oven | |
| KR880000798B1 (en) | High-frequency heating device of microwave oven | |
| US6906298B2 (en) | Magnetron driving circuit board for microwave oven | |
| JPS5973886A (en) | High frequency heater | |
| JPH0463514B2 (en) | ||
| JPH0477433B2 (en) | ||
| JPS5973887A (en) | High frequency heater | |
| KR19980074659A (en) | Microwave | |
| JPS5971286A (en) | High frequency heater | |
| JPH1172233A (en) | Microwave oven | |
| JP2022172860A (en) | Shield mechanism and rice cooker | |
| JPH0477432B2 (en) | ||
| JPS6344274B2 (en) | ||
| KR200160259Y1 (en) | Combining structure of earth cable in microwave oven | |
| JPS5973881A (en) | High frequency heater | |
| KR100285862B1 (en) | Cabinet assemblage of microwave oven | |
| KR200239617Y1 (en) | microwave | |
| JP3326385B2 (en) | Cooking device | |
| JPH10294149A (en) | Microwave oven | |
| JPS5971293A (en) | High frequency heater | |
| JPH05332555A (en) | Microwave oven | |
| JPS60263018A (en) | High-frequency heating apparatus | |
| JPS6062094A (en) | Electronic range | |
| JPS6091588A (en) | High frequency heater |