JPS61125779U - - Google Patents
Info
- Publication number
- JPS61125779U JPS61125779U JP892085U JP892085U JPS61125779U JP S61125779 U JPS61125779 U JP S61125779U JP 892085 U JP892085 U JP 892085U JP 892085 U JP892085 U JP 892085U JP S61125779 U JPS61125779 U JP S61125779U
- Authority
- JP
- Japan
- Prior art keywords
- self
- temperature control
- type heaters
- failure detection
- comparison circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Control Of Resistance Heating (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例の構成を示す図、第
２図は従来例を示す図である。
１…自己温度制御型ヒータ、２，４…給電線、
３…発熱体、６…伝熱体、７…電流検出器、９…
比較回路、１０…限時遮断回路、１１…故障検出
回路。
FIG. 1 is a diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a diagram showing a conventional example. 1... Self-temperature control type heater, 2, 4... Power supply line,
3... Heating element, 6... Heat transfer body, 7... Current detector, 9...
Comparison circuit, 10... Time cutoff circuit, 11... Failure detection circuit.
Claims (1)
に配設された２個の自己温度制御型ヒータと、前
記各自己温度制御型ヒータの各給電線にそれぞれ
配設された各電流検出器と、前記各電流検出器に
よりそれぞれ検出された各電流値を比較する比較
回路と、前記比較回路に限時遮断回路を介して接
続された故障検出回路とを具備してなることを特
徴とする自己温度制御型ヒータの故障検出装置。 two self-temperature control type heaters each having a heating element and arranged so as to be in the same temperature state; each current detector respectively disposed on each power supply line of each of the self-temperature control type heaters; Self-temperature control characterized by comprising a comparison circuit that compares each current value detected by each of the current detectors, and a failure detection circuit connected to the comparison circuit via a time-limited cutoff circuit. Failure detection device for type heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP892085U JPS61125779U (en) | 1985-01-25 | 1985-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP892085U JPS61125779U (en) | 1985-01-25 | 1985-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61125779U true JPS61125779U (en) | 1986-08-07 |
Family
ID=30488648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP892085U Pending JPS61125779U (en) | 1985-01-25 | 1985-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61125779U (en) |
-
1985
- 1985-01-25 JP JP892085U patent/JPS61125779U/ja active Pending