JPH0239577U - - Google Patents
Info
- Publication number
- JPH0239577U JPH0239577U JP11765888U JP11765888U JPH0239577U JP H0239577 U JPH0239577 U JP H0239577U JP 11765888 U JP11765888 U JP 11765888U JP 11765888 U JP11765888 U JP 11765888U JP H0239577 U JPH0239577 U JP H0239577U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- flow rate
- control circuit
- power
- rate sensor
- 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
- 238000000034 method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
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温度
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は流量センサ、１８は流量センサ信号、１
９は流量検出回路、２０は電力制御信号、２１は
スラスタ制御回路、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 heater temperature control 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 a flow rate sensor, 18 is a flow rate sensor signal, 1
9 is a flow rate detection circuit, 20 is a power control signal, 21 is a thruster control circuit, A is a propellant inlet, and B is a propellant outlet. 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、推薬の推量を検出する流量センサ
と、前記ヒータの抵抗値を検出し、前記流量セン
サから出力される流量センサ信号を処理し、前記
ヒータ電力制御回路にヒータ電力制御信号を出力
するスラスタ制御回路と、前記ヒータを格納し、
推薬の流入口と流出口と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 is connected to this power supply and controls the power supplied to the heater; a flow rate sensor that detects the estimated amount of propellant; and a flow rate sensor that detects the resistance value of the heater and controls the flow rate. a thruster control circuit that processes a flow rate sensor signal output from the sensor and outputs a heater power control signal to the heater power control circuit, and stores the heater;
An electrically heated thruster comprising a heating container having a propellant inlet and an outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11765888U JPH0239577U (en) | 1988-09-07 | 1988-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11765888U JPH0239577U (en) | 1988-09-07 | 1988-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0239577U true JPH0239577U (en) | 1990-03-16 |
Family
ID=31361308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11765888U Pending JPH0239577U (en) | 1988-09-07 | 1988-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239577U (en) |
-
1988
- 1988-09-07 JP JP11765888U patent/JPH0239577U/ja active Pending