JPH01102723U - - Google Patents
Info
- Publication number
- JPH01102723U JPH01102723U JP19781387U JP19781387U JPH01102723U JP H01102723 U JPH01102723 U JP H01102723U JP 19781387 U JP19781387 U JP 19781387U JP 19781387 U JP19781387 U JP 19781387U JP H01102723 U JPH01102723 U JP H01102723U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- sensitive resistor
- sensitive
- flow sensor
- fluid passage
- 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
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Description
第１図はこの考案に係る感熱式空気流量センサ
の感熱抵抗体の支持構造の斜視図、第２図は感熱
式空気流量センサの構成図、第３図は従来の感熱
式空気流量センサの支持構造の斜視図である。
１…ハウジング、２…計測管路、３…感熱抵抗
体、４…空気温センサ、７…リード線、８…支持
部材、Ｒ１，Ｒ２…抵抗。なお、図中同一符号は
同一又は相当部分を示す。
Figure 1 is a perspective view of a support structure for a heat-sensitive resistor of a heat-sensitive air flow sensor according to this invention, Figure 2 is a configuration diagram of a heat-sensitive air flow sensor, and Figure 3 is a support structure for a conventional heat-sensitive air flow sensor. FIG. 2 is a perspective view of the structure. DESCRIPTION OF SYMBOLS 1... Housing, 2... Measurement pipe line, 3... Heat sensitive resistor, 4... Air temperature sensor, 7... Lead wire, 8... Supporting member, R1 , R2 ... Resistor. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
熱抵抗体と複数の抵抗とにより構成されたブリツ
ジ回路と、感熱抵抗体への通電々流を制御しブリ
ツジ回路が所定の熱平衡を保つように制御する制
御回路を備え、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、流体通路中に感熱抵抗
体をその角部のみ支持する支持部材によつて支持
し、かつ感熱抵抗体に通電用リード線を接続した
ことを特徴とする感熱式流量センサ。 A bridge circuit is arranged in a fluid passage and is composed of a heat-sensitive resistor formed in a flat plate shape and a plurality of resistors, and a current flow to the heat-sensitive resistor is controlled so that the bridge circuit maintains a predetermined thermal balance. In a heat-sensitive flow sensor that detects flow rate from a state of thermal equilibrium, the heat-sensitive resistor is supported in the fluid passage by a support member that supports only the corners of the heat-sensitive resistor, and the heat-sensitive resistor is energized. A heat-sensitive flow sensor characterized by a lead wire connected.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19781387U JPH0620973Y2 (en) | 1987-12-26 | 1987-12-26 | Thermal flow sensor |
| KR1019880015744A KR890010539A (en) | 1987-12-08 | 1988-11-29 | Thermal flow sensor |
| DE3841057A DE3841057A1 (en) | 1987-12-08 | 1988-12-06 | FLOW MEASURING DEVICE |
| US07/280,921 US4912974A (en) | 1987-12-08 | 1988-12-07 | Thermal flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19781387U JPH0620973Y2 (en) | 1987-12-26 | 1987-12-26 | Thermal flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01102723U true JPH01102723U (en) | 1989-07-11 |
| JPH0620973Y2 JPH0620973Y2 (en) | 1994-06-01 |
Family
ID=31488347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19781387U Expired - Lifetime JPH0620973Y2 (en) | 1987-12-08 | 1987-12-26 | Thermal flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620973Y2 (en) |
-
1987
- 1987-12-26 JP JP19781387U patent/JPH0620973Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0620973Y2 (en) | 1994-06-01 |
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