JPS61205310U - - Google Patents
Info
- Publication number
- JPS61205310U JPS61205310U JP9036385U JP9036385U JPS61205310U JP S61205310 U JPS61205310 U JP S61205310U JP 9036385 U JP9036385 U JP 9036385U JP 9036385 U JP9036385 U JP 9036385U JP S61205310 U JPS61205310 U JP S61205310U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric transducer
- turntable
- heating chamber
- detection device
- microwave oven
- 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
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Electric Ovens (AREA)
Description
第1図は本考案の重量検出装置の要部拡大断面
図、第2図は電子レンジの要部側断面図、第3図
は第2図のターンテーブルを取去つた状態の加熱
室底部上面図、第4図は従来のターンテーブル部
の拡大詳細断面図であり、第5図は圧電素子部の
要部断面図、第6図は第5図に示す圧電素子の出
力電圧波形図、第7図は圧電素子出力電圧のR―
Cフイルター回路図、第8図は出力ピーク電圧平
均値と重量との関係図、第9図はマグネトロン制
御回路図で、第10図は従来の要部拡大断面図で
ある。
符号、1:加熱室、2:ターンテーブル、3:
支持ローラ、3b:ローラ、7:ローラの回転軌
跡、8:圧電素子、8a:ベース電極板、18:
取付部材、18b:プレスエツジ用溝。
Figure 1 is an enlarged sectional view of the main parts of the weight detection device of the present invention, Figure 2 is a side sectional view of the main parts of the microwave oven, and Figure 3 is the top view of the bottom of the heating chamber with the turntable in Figure 2 removed. 4 is an enlarged detailed sectional view of a conventional turntable section, FIG. 5 is a sectional view of a main part of a piezoelectric element section, and FIG. 6 is an output voltage waveform diagram of the piezoelectric element shown in FIG. Figure 7 shows the piezoelectric element output voltage R-
A C filter circuit diagram, FIG. 8 is a relationship diagram between the output peak voltage average value and weight, FIG. 9 is a magnetron control circuit diagram, and FIG. 10 is an enlarged sectional view of a conventional main part. Code, 1: heating chamber, 2: turntable, 3:
Support roller, 3b: Roller, 7: Roller rotation locus, 8: Piezoelectric element, 8a: Base electrode plate, 18:
Mounting member, 18b: groove for press edge.
Claims (1)
する支持ローラを加熱室内に配設し、前記支持ロ
ーラが回転した際に圧電変換素子に発生する電圧
を検出し、前記ターンテーブル上に載置された被
加熱物を重量を検出するようにした電子レンジの
重量検出装置において、 上記圧電変換素子を取付ける取付部材の、上記
圧電変換素子を構成するベース電極板の同端部に
対応する部分に、プレスエツジ用溝を設けたこと
を特徴とする電子レンジの重量検出装置。[Claims for Utility Model Registration] A support roller that supports a turntable and rotates on the bottom wall of the heating chamber is disposed in the heating chamber, and a voltage generated in a piezoelectric transducer when the support roller rotates is detected. , in a weight detection device for a microwave oven configured to detect the weight of an object to be heated placed on the turntable, a base electrode plate constituting the piezoelectric transducer of a mounting member to which the piezoelectric transducer is attached; A weight detection device for a microwave oven, characterized in that a groove for a press edge is provided in a portion corresponding to the same end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9036385U JPH0315924Y2 (en) | 1985-06-14 | 1985-06-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9036385U JPH0315924Y2 (en) | 1985-06-14 | 1985-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61205310U true JPS61205310U (en) | 1986-12-25 |
JPH0315924Y2 JPH0315924Y2 (en) | 1991-04-05 |
Family
ID=30645285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9036385U Expired JPH0315924Y2 (en) | 1985-06-14 | 1985-06-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0315924Y2 (en) |
-
1985
- 1985-06-14 JP JP9036385U patent/JPH0315924Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0315924Y2 (en) | 1991-04-05 |