JPH01124381U - - Google Patents
Info
- Publication number
- JPH01124381U JPH01124381U JP1935888U JP1935888U JPH01124381U JP H01124381 U JPH01124381 U JP H01124381U JP 1935888 U JP1935888 U JP 1935888U JP 1935888 U JP1935888 U JP 1935888U JP H01124381 U JPH01124381 U JP H01124381U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- power
- control circuit
- power control
- propellant
- 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
Landscapes
- General Induction Heating (AREA)
Description
第１図は、この考案の一実施例を示すブロツク
図、第２図は従来の電熱式スラスタのヒータに供
給する電力の制御を示すブロツク図である。
図において、１はヒータ、２は電源、３は温度
制御回路、４はヒータ電力制御信号、５はヒータ
電力制御回路、６は電力ケーブル、７はヒータ電
力供給ケーブル、８はヒータ抵抗測定ケーブル、
９はヒータ抵抗検出回路、１０はヒータ抵抗信号
、１１はヒータ抵抗指令回路、１２はヒータ抵抗
指令信号、１３は比較回路、１４は誤差信号、１
５は電力制御素子ドライブ回路、１６は加熱容器
、１７は誘導素子、１８は電流制限温度制御回路
、１９はタイミング信号、２０はタイミング回路
、Ａは推薬流入口、Ｂは推薬流出口である。なお
、図中同一部分、あるいは相当部分には同一符号
を付して示してある。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing control of electric power supplied to the heater of a conventional electrothermal thruster. In the figure, 1 is a heater, 2 is a power supply, 3 is a temperature control circuit, 4 is a heater power control signal, 5 is a heater power control circuit, 6 is a power cable, 7 is a heater power supply cable, 8 is a heater resistance measurement cable,
9 is a heater resistance detection circuit, 10 is a heater resistance signal, 11 is a heater resistance command circuit, 12 is a heater resistance command signal, 13 is a comparison circuit, 14 is an error signal, 1
5 is a power control element drive circuit, 16 is a heating container, 17 is an induction element, 18 is a current limiting temperature control circuit, 19 is a timing signal, 20 is a timing circuit, A is a propellant inlet, and B is a propellant outlet. be. It should be noted that the same or equivalent parts in the figures are indicated by the same reference numerals.
Claims (1)
続されヒータに供給する電力を制御するヒータ電
力制御回路と、ヒータに流れる電流を制御するた
めの誘導素子と、上記ヒータの抵抗値を検出し、
上記ヒータ電力制御回路に入力するヒータ電力制
御信号を出力する電流制限温度制御回路と、前記
ヒータを格納し推薬流入口と推薬流出口を備えた
加熱容器を具備したことを特徴とする電熱式スラ
スタ。 A power source for supplying power to the heater, a heater power control circuit connected to this power source to control the power supplied to the heater, an inductive element for controlling the current flowing to the heater, and detecting the resistance value of the heater,
An electric heating device comprising: a current limiting temperature control circuit that outputs a heater power control signal input to the heater power control circuit; and a heating container housing the heater and having a propellant inlet and a propellant outlet. Expression thruster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1935888U JPH01124381U (en) | 1988-02-17 | 1988-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1935888U JPH01124381U (en) | 1988-02-17 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124381U true JPH01124381U (en) | 1989-08-24 |
Family
ID=31234796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1935888U Pending JPH01124381U (en) | 1988-02-17 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124381U (en) |
-
1988
- 1988-02-17 JP JP1935888U patent/JPH01124381U/ja active Pending
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