JPH01124382U - - Google Patents
Info
- Publication number
- JPH01124382U JPH01124382U JP1935988U JP1935988U JPH01124382U JP H01124382 U JPH01124382 U JP H01124382U JP 1935988 U JP1935988 U JP 1935988U JP 1935988 U JP1935988 U JP 1935988U JP H01124382 U JPH01124382 U JP H01124382U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- control circuit
- power
- current
- limiting temperature
- 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
- 230000008054 signal transmission Effects 0.000 claims 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供
給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は加熱容器、９は電流制限温
度制御回路、１０は切換信号、１１は切換回路、
１２はアツテネータ、Ａは推薬流入口、Ｂは推薬
流出口である。なお、図中同一あるいは相当部分
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 power supplied to a 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 heating container, and 9 is a Current limiting temperature control circuit, 10 is a switching signal, 11 is a switching circuit,
12 is an attenuator, A is a propellant inlet, and B is a propellant outlet. It should be noted that the same or corresponding parts in the drawings 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、上記ヒータ電力
制御回路に電力制御の指示を与えるヒータ電力制
御信号を出力する電流制限温度制御回路と、上記
ヒータ電力制御回路と電流制限温度制御回路の間
に接続されたヒータ電力制御信号を小さな値にす
るアツテネータと、上記アツテネータを経由する
信号伝達路と経由せず直接の信号伝達路とを上記
電流制限温度制御回路の出力する切換信号によつ
て切り換える切換回路と、前記ヒータを格納し推
薬流入口と推薬出力口を備えた加熱容器とを具備
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 signal that instructs the heater power control circuit to control power. a current-limiting temperature control circuit that outputs a current-limiting temperature control circuit; an attenuator that reduces the heater power control signal to a small value connected between the heater power control circuit and the current-limiting temperature control circuit; and a signal transmission path that passes through the attenuator. and a switching circuit for switching the direct signal transmission path according to a switching signal output from the current limiting temperature control circuit, and a heating container housing the heater and having a propellant inlet and a propellant output port. An electrically heated thruster characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1935988U JPH01124382U (en) | 1988-02-17 | 1988-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1935988U JPH01124382U (en) | 1988-02-17 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124382U true JPH01124382U (en) | 1989-08-24 |
Family
ID=31234798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1935988U Pending JPH01124382U (en) | 1988-02-17 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124382U (en) |
-
1988
- 1988-02-17 JP JP1935988U patent/JPH01124382U/ja active Pending