JPS6368009U - - Google Patents
Info
- Publication number
- JPS6368009U JPS6368009U JP16051486U JP16051486U JPS6368009U JP S6368009 U JPS6368009 U JP S6368009U JP 16051486 U JP16051486 U JP 16051486U JP 16051486 U JP16051486 U JP 16051486U JP S6368009 U JPS6368009 U JP S6368009U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- heating element
- bidirectional thyristor
- sawtooth wave
- generating
- 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
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000009429 electrical wiring Methods 0.000 description 2
Landscapes
- Electric Stoves And Ranges (AREA)
- Control Of Temperature (AREA)
Description
第１図は本考案の一実施例における電気やぐら
こたつの電気結線図、第２図は同電気やぐらこた
つにおける動作説明のための波形図、第３図は同
電気やぐらこたつにおける温度特性図、第４図は
従来の電気やぐらこたつにおける一部切欠側面図
、第５図は同電気やぐらこたつにおける電気結線
図、第６図は温度特性図である。
２１……双方向性サイリスタ、２２……発熱体
、２３……直流電源装置、２４……コンパレータ
、２５……のこぎり波電圧発生器、２６……サー
ミスタ、２７……可変抵抗器。
Figure 1 is an electrical wiring diagram of an electric tower kotatsu according to an embodiment of the present invention, Figure 2 is a waveform diagram for explaining the operation of the electric tower kotatsu, Figure 3 is a temperature characteristic diagram of the electric tower kotatsu, and Figure 3 is a temperature characteristic diagram of the electric tower kotatsu. Figure 4 is a partially cutaway side view of a conventional electric tower kotatsu, Figure 5 is an electrical wiring diagram of the electric tower kotatsu, and Figure 6 is a temperature characteristic diagram. 21... Bidirectional thyristor, 22... Heating element, 23... DC power supply, 24... Comparator, 25... Sawtooth voltage generator, 26... Thermistor, 27... Variable resistor.
Claims (1)
の前記発熱体への供給電力を制御信号に応じて導
通角を変化せしめて制御する双方向性サイリスタ
と、前記発熱体に供給される前記交流電源に同期
したのこぎり波電圧を発生させるのこぎり波発生
手段と、前記やぐら内の温度に応じた検知電圧を
発生する検知手段と、前記のこぎり波電圧と前記
検知電圧を比較し、前記検知電圧に較べ前記のこ
ぎり波電圧が高い期間を示す出力を発生するコン
パレータと、そのコンパレータの出力を前記期間
前記双方向性サイリスタを導通させるように前記
制御信号として前記双方向性サイリスタに印加す
る手段とを備えたことを特徴とする電気やぐらこ
たつ。 a heating element provided on the lower surface of the tower; a bidirectional thyristor that controls the power supplied to the heating element from an AC power source by changing the conduction angle according to a control signal; and the AC power supplied to the heating element. a sawtooth wave generating means for generating a sawtooth wave voltage synchronized with a power supply; a detection means for generating a detection voltage according to the temperature inside the tower; and a comparison between the sawtooth wave voltage and the detection voltage, and a comparison with the detection voltage. a comparator that generates an output indicative of a period in which the sawtooth voltage is high; and means for applying the output of the comparator to the bidirectional thyristor as the control signal so as to cause the bidirectional thyristor to conduct during the period. Electric Yagura Kotatsu is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16051486U JPS6368009U (en) | 1986-10-20 | 1986-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16051486U JPS6368009U (en) | 1986-10-20 | 1986-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6368009U true JPS6368009U (en) | 1988-05-07 |
Family
ID=31085968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16051486U Pending JPS6368009U (en) | 1986-10-20 | 1986-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6368009U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710021B2 (en) * | 1972-04-07 | 1982-02-24 |
-
1986
- 1986-10-20 JP JP16051486U patent/JPS6368009U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710021B2 (en) * | 1972-04-07 | 1982-02-24 |