JPS61149293U - - Google Patents
Info
- Publication number
- JPS61149293U JPS61149293U JP3280285U JP3280285U JPS61149293U JP S61149293 U JPS61149293 U JP S61149293U JP 3280285 U JP3280285 U JP 3280285U JP 3280285 U JP3280285 U JP 3280285U JP S61149293 U JPS61149293 U JP S61149293U
- Authority
- JP
- Japan
- Prior art keywords
- thyristor
- heater
- unit
- control
- sensing signal
- 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
- 230000010349 pulsation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Road Paving Structures (AREA)
- Control Of Resistance Heating (AREA)
Description
第１図は本考案装置の一実施例を示す概念図、
第２図は第１図に示す装置の制御状態を示す波形
図、第３図〜第６図はロードヒータのトータル負
荷において脈動を生じる場合と生じない場合を説
明するためのタイムチヤート、である。
１……被加熱路、２……ロードヒータ、２Ａ，
２Ｂ……ヒータユニツト、３Ａ，３Ｂ……交流電
源、４……温度センサ、５……サイリスタユニツ
ト、５Ａ，５Ｂ……サイリスタ、７……温度コン
トローラ、８……サイクル制御ユニツト、９……
制御能力切換器。
FIG. 1 is a conceptual diagram showing an embodiment of the device of the present invention;
Fig. 2 is a waveform diagram showing the control state of the device shown in Fig. 1, and Figs. 3 to 6 are time charts for explaining when pulsation occurs and when it does not occur in the total load of the load heater. . 1... Heated path, 2... Road heater, 2A,
2B... Heater unit, 3A, 3B... AC power supply, 4... Temperature sensor, 5... Thyristor unit, 5A, 5B... Thyristor, 7... Temperature controller, 8... Cycle control unit, 9...
Control ability switch.
Claims (1)
より加熱される被加熱路の温度を感知しその感知
信号を出力する温度センサと、 前記複数のヒータユニツトの各々と交流電源と
の間に夫々挿入された複数のサイリスタよりなる
電力調整用サイリスタユニツトと、 前記温度センサからの感知信号を受けて該感知
信号によりオン・オフされ、前記サイリスタユニ
ツトをトリガー制御するサイリスタ制御ユニツト
と、 前記ロードヒータのトータル負荷において脈動
を生じない電力値を前記サイリスタ制御ユニツト
の制御能力を切り換える切換値とした制御能力切
換ユニツトと、 を備えている、ロードヒータの電力制御装置。[Scope of Claim for Utility Model Registration] A temperature sensor that senses the temperature of a heated path heated by a load heater consisting of a plurality of heater units and outputs a sensing signal, and a connection between each of the plurality of heater units and an AC power source. a thyristor unit for power adjustment consisting of a plurality of thyristors inserted between the thyristor units; a thyristor control unit that receives a sensing signal from the temperature sensor and is turned on and off by the sensing signal to trigger trigger control the thyristor unit; A power control device for a road heater, comprising: a control ability switching unit that uses a power value that does not cause pulsation in the total load of the road heater as a switching value for switching the control ability of the thyristor control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3280285U JPS61149293U (en) | 1985-03-07 | 1985-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3280285U JPS61149293U (en) | 1985-03-07 | 1985-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149293U true JPS61149293U (en) | 1986-09-13 |
Family
ID=30534657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3280285U Pending JPS61149293U (en) | 1985-03-07 | 1985-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231391U (en) * | 1985-08-08 | 1987-02-25 |
-
1985
- 1985-03-07 JP JP3280285U patent/JPS61149293U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231391U (en) * | 1985-08-08 | 1987-02-25 |
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