JPS6434478U - - Google Patents
Info
- Publication number
- JPS6434478U JPS6434478U JP12967687U JP12967687U JPS6434478U JP S6434478 U JPS6434478 U JP S6434478U JP 12967687 U JP12967687 U JP 12967687U JP 12967687 U JP12967687 U JP 12967687U JP S6434478 U JPS6434478 U JP S6434478U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- control circuit
- resistor
- power control
- path
- 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
- 239000003380 propellant Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Temperature (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はヒータ温度制御信号、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は加熱容器、９は時限回路、
１０は切換信号、１１は切換回路、１２は抵抗器
、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 temperature control signal, 5 is a heater power control circuit, 6 is a power cable, 7 is a heater power supply cable, 8 is a heating container, and 9 is a timed circuit,
10 is a switching signal, 11 is a switching circuit, 12 is a resistor, A is a propellant inlet, and B is a propellant outlet. In the drawings, the same or corresponding parts are designated by the same reference numerals.
Claims (1)
を所定の値にするために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、上記電源と上記
ヒータ電力制御回路の間に接続されて電流を制限
する抵抗器と、上記抵抗器を接続する経路と接続
しない経路とを切り換える切換回路と、始動時に
上記切換回路を抵抗器の接続した経路に切換える
切換信号を出力し一定時間後は抵抗器の接続しな
い経路に切り換える切換信号を出力する時限回路
と、前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 supply that supplies power to the heater, a heater power control circuit that controls the power supplied to the heater to maintain the temperature of the heater at a predetermined value, and a heater power control circuit that is connected between the power supply and the heater power control circuit to supply current. A resistor to limit, a switching circuit that switches between a path where the resistor is connected and a path where it is not connected, and a switching signal that switches the switching circuit to the path where the resistor is connected at startup, and after a certain period of time, the resistor is switched off. A timer circuit that outputs a switching signal for switching to a path that is not connected, a temperature control circuit that outputs a heater power control signal that is input to the heater power control circuit, and a propellant inlet and a propellant outlet that house the heater. An electrically heated thruster characterized by being equipped with a heating container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12967687U JPS6434478U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12967687U JPS6434478U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6434478U true JPS6434478U (en) | 1989-03-02 |
Family
ID=31384168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12967687U Pending JPS6434478U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434478U (en) |
-
1987
- 1987-08-26 JP JP12967687U patent/JPS6434478U/ja active Pending