JPH03109126U - - Google Patents
Info
- Publication number
- JPH03109126U JPH03109126U JP1698190U JP1698190U JPH03109126U JP H03109126 U JPH03109126 U JP H03109126U JP 1698190 U JP1698190 U JP 1698190U JP 1698190 U JP1698190 U JP 1698190U JP H03109126 U JPH03109126 U JP H03109126U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- sensitive
- fluid
- flow rate
- supply current
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ａ，ｂはそれぞれこの考案の一実施例に
係る感熱式流量センサの縦断正面図および側面図
、第２図はこの考案の他の実施例に係る感熱式流
量センサの要部縦断正面図、第３図ほ従来の感熱
式流量センサの回路構成図、第４図ａ，ｂはそれ
ぞれ同上縦断正面図および側面図である。
図において、５……制御回路、１０，１０′…
…流体的障害物、ＲＨ……感熱抵抗体である。な
お、図中同一符号は同一または相当部分を示す。
Figures 1a and b are a longitudinal sectional front view and a side view of a heat-sensitive flow rate sensor according to an embodiment of this invention, respectively, and Fig. 2 is a longitudinal sectional front view of a main part of a heat-sensitive flow rate sensor according to another embodiment of this invention. Figures 3 and 3 are circuit configuration diagrams of a conventional heat-sensitive flow rate sensor, and Figures 4a and 4b are a longitudinal sectional front view and a side view, respectively. In the figure, 5... control circuit, 10, 10'...
...Fluid obstruction, RH...Heat-sensitive resistor. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
れた平板構造の感熱抵抗体を含む複数の抵抗によ
り構成されたブリツジ回路と、該ブリツジ回路が
所定の平衡状態を保つように上記感熱抵抗体への
供給電流を制御する制御回路とを備え、上記供給
電流を介して上記流体通路中を通過する流体の流
量を検出するようにした感熱式流量センサにおい
て、上記感熱抵抗体の下流面側の近傍に少なくと
もその一部が位置するように流体的障害物を配設
したことを特徴とする感熱式流量センサ。 a bridge circuit constituted by a plurality of resistors including a heat-sensitive resistor of a flat plate structure arranged in a fluid passage at an angle with respect to the flow direction of the fluid; A control circuit for controlling a supply current of a heat-sensitive flow sensor configured to detect a flow rate of fluid passing through the fluid passage via the supply current, wherein 1. A heat-sensitive flow rate sensor, characterized in that a fluidic obstruction is disposed such that at least a portion of the obstruction is located in the area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1698190U JPH03109126U (en) | 1990-02-21 | 1990-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1698190U JPH03109126U (en) | 1990-02-21 | 1990-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109126U true JPH03109126U (en) | 1991-11-08 |
Family
ID=31520219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1698190U Pending JPH03109126U (en) | 1990-02-21 | 1990-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109126U (en) |
-
1990
- 1990-02-21 JP JP1698190U patent/JPH03109126U/ja active Pending