JPS6353113U - - Google Patents
Info
- Publication number
- JPS6353113U JPS6353113U JP14525486U JP14525486U JPS6353113U JP S6353113 U JPS6353113 U JP S6353113U JP 14525486 U JP14525486 U JP 14525486U JP 14525486 U JP14525486 U JP 14525486U JP S6353113 U JPS6353113 U JP S6353113U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- detection circuit
- converter
- detects
- current detection
- 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 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Temperature (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図はこの考案の一実施例によるヒーター電
源装置を示す図、第２図はヒーターの抵抗と温度
との関係を示す図、第３図は従来のヒーター電源
装置を示す図である。
図において１は外部入力の制御信号、２はＤＣ
／ＤＣコンバーター、３は電流検出回路、４は誤
差増幅器、５はタイマー回路、６はヒーター、７
はヒーター抵抗検出回路である。なお、図中、同
一符号は同一又は相当部分を示す。
FIG. 1 is a diagram showing a heater power supply device according to an embodiment of the invention, FIG. 2 is a diagram showing the relationship between heater resistance and temperature, and FIG. 3 is a diagram showing a conventional heater power supply device. In the figure, 1 is an external input control signal, 2 is a DC
/DC converter, 3 is a current detection circuit, 4 is an error amplifier, 5 is a timer circuit, 6 is a heater, 7
is the heater resistance detection circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
ターと、上記ＤＣ／ＤＣコンバーターの出力電流
を検出する電流検出回路と、上記ヒーターの抵抗
値を検出するヒーター抵抗検出器と、上記電流検
出回路の出力と上記ヒーター抵抗検出回路と外部
入力の制御信号との誤差信号を増幅し、上記ＤＣ
／ＤＣコンバーターへ供給する誤差増幅器とを備
えたことを特徴とするヒーター電源装置。 A DC/DC converter that supplies power to the heater, a current detection circuit that detects the output current of the DC/DC converter, a heater resistance detector that detects the resistance value of the heater, and an output of the current detection circuit and the The error signal between the heater resistance detection circuit and the external input control signal is amplified and the DC
1. A heater power supply device comprising: an error amplifier for supplying power to a /DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14525486U JPS6353113U (en) | 1986-09-22 | 1986-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14525486U JPS6353113U (en) | 1986-09-22 | 1986-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6353113U true JPS6353113U (en) | 1988-04-09 |
Family
ID=31056624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14525486U Pending JPS6353113U (en) | 1986-09-22 | 1986-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6353113U (en) |
-
1986
- 1986-09-22 JP JP14525486U patent/JPS6353113U/ja active Pending