JPH02628U - - Google Patents
Info
- Publication number
- JPH02628U JPH02628U JP7810588U JP7810588U JPH02628U JP H02628 U JPH02628 U JP H02628U JP 7810588 U JP7810588 U JP 7810588U JP 7810588 U JP7810588 U JP 7810588U JP H02628 U JPH02628 U JP H02628U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- sensitive resistor
- sensitive
- flow rate
- equilibrium state
- 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.)
- Granted
Links
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の一実施例による感熱式流量
センサにおける感熱抵抗体の取付け状態の斜視図
、第２図は感熱式流量センサの回路図、第３図は
従来の感熱抵抗体の取付け状態の斜視図である。
２……計測管路、３……感熱抵抗体、５……支
持部材、７……ターミナル、８……可塑性薄膜、
９……リード線。なお、図中同一符号は同一又は
相当部分を示す。
Fig. 1 is a perspective view of a heat-sensitive resistor mounted in a heat-sensitive flow sensor according to an embodiment of the invention, Fig. 2 is a circuit diagram of the heat-sensitive flow sensor, and Fig. 3 is a conventional heat-sensitive resistor mounted. FIG. 2... Measurement pipe line, 3... Heat sensitive resistor, 5... Support member, 7... Terminal, 8... Plastic thin film,
9... Lead wire. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
他の抵抗とからなるブリツジ回路と、感熱抵抗体
への通電電流を制御しブリツジ回路が所定の熱平
衡状態を保つように制御する制御回路とを備え、
この熱平衡状態から流量を検出する感熱式流量セ
ンサにおいて、上記感熱抵抗体を計測管路に設け
た一対の支持部材間に架設した熱絶縁性の可塑性
薄膜上に固着し、かつ感熱抵抗体と支持部材に一
体成形したターミナルとをリード線で接続したこ
とを特徴とする感熱式流量センサ。 A bridge circuit arranged in a fluid passage and consisting of a flat heat-sensitive resistor and other resistors, and a control circuit that controls the current flowing to the heat-sensitive resistor so that the bridge circuit maintains a predetermined thermal equilibrium state. and
In a heat-sensitive flow sensor that detects the flow rate from this thermal equilibrium state, the heat-sensitive resistor is fixed on a heat-insulating plastic thin film installed between a pair of support members provided in the measurement pipe, and the heat-sensitive resistor and the support A heat-sensitive flow rate sensor characterized by connecting a terminal integrally molded to the component with a lead wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810588U JPH0631374Y2 (en) | 1988-06-13 | 1988-06-13 | Thermal flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810588U JPH0631374Y2 (en) | 1988-06-13 | 1988-06-13 | Thermal flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02628U true JPH02628U (en) | 1990-01-05 |
| JPH0631374Y2 JPH0631374Y2 (en) | 1994-08-22 |
Family
ID=31303054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7810588U Expired - Lifetime JPH0631374Y2 (en) | 1988-06-13 | 1988-06-13 | Thermal flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631374Y2 (en) |
-
1988
- 1988-06-13 JP JP7810588U patent/JPH0631374Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631374Y2 (en) | 1994-08-22 |