JPS6199019U - - Google Patents
Info
- Publication number
- JPS6199019U JPS6199019U JP18431884U JP18431884U JPS6199019U JP S6199019 U JPS6199019 U JP S6199019U JP 18431884 U JP18431884 U JP 18431884U JP 18431884 U JP18431884 U JP 18431884U JP S6199019 U JPS6199019 U JP S6199019U
- Authority
- JP
- Japan
- Prior art keywords
- hot wire
- fluid passage
- bridge circuit
- holder
- heat insulating
- 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 9
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は同じく要部の斜視図、第３図は本考案の第
２実施例を示す要部の斜視図、第４図は本考案の
第３実施例を示す要部の斜視図、第５図は熱線式
流量計の原理を示す回路図、第６図は従来例の断
面図、第７図は流体通路壁の温度と温度補償抵抗
の抵抗値との関係図である。
１０…スロツトルボデイ（流体通路構成部材）
、１２…バイパス通路（流体通路）、１３…熱線
式流量計、１４…ホルダ、１５…熱線、１６…温
度補償抵抗、１７…突条、１９…空所。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a perspective view of the main parts, Fig. 3 is a perspective view of the main parts showing the second embodiment of the invention, and Fig. 4 is a perspective view of the main parts. FIG. 5 is a circuit diagram showing the principle of a hot wire flowmeter; FIG. 6 is a sectional view of the conventional example; and FIG. 7 is a diagram showing the temperature of the fluid passage wall. FIG. 3 is a relationship diagram with the resistance value of a temperature compensation resistor. 10...Throttle body (fluid passage component)
, 12... Bypass passage (fluid passage), 13... Hot wire flow meter, 14... Holder, 15... Hot wire, 16... Temperature compensation resistance, 17... Protrusion, 19... Blank space.
Claims (1)
同一の雰囲気中に配設される温度補償抵抗を流体
通路中に固定し、これらの抵抗を含んでブリツジ
回路を構成し、該ブリツジ回路が平衡するように
該ブリツジ回路への供給電流を制御することによ
り、該ブリツジ回路への供給電流値から流体の流
量を計測するように構成した熱線式流量計におい
て、前記熱線及び温度補償抵抗を流体通路内に突
出状態で保持するホルダと前記流体通路を構成す
る部材とを断熱構造をもつて結合したことを特徴
とする熱線式流量計。 (2) 断熱構造は、ホルダと流体通路構成部材と
の接触面に形成した空所であることを特徴とする
実用新案登録請求の範囲第１項記載の熱線式流量
計。[Scope of Claim for Utility Model Registration] (1) A hot wire disposed in a fluid passage and a temperature compensating resistor disposed in the same atmosphere as the hot wire are fixed in a fluid passage, and these resistors are not included. A hot wire flow rate system configured to measure the flow rate of fluid from the value of the current supplied to the bridge circuit by configuring a bridge circuit and controlling the current supplied to the bridge circuit so that the bridge circuit is in equilibrium. 1. A hot wire flow meter, characterized in that a holder for holding the hot wire and temperature compensation resistor in a protruding state within the fluid passage and a member constituting the fluid passage are coupled with a heat insulating structure. (2) The hot wire flowmeter according to claim 1, wherein the heat insulating structure is a space formed in the contact surface between the holder and the fluid passage member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18431884U JPS6199019U (en) | 1984-12-06 | 1984-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18431884U JPS6199019U (en) | 1984-12-06 | 1984-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199019U true JPS6199019U (en) | 1986-06-25 |
Family
ID=30741803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18431884U Pending JPS6199019U (en) | 1984-12-06 | 1984-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199019U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4948893A (en) * | 1972-09-13 | 1974-05-11 | ||
| JPS5617353B2 (en) * | 1972-01-20 | 1981-04-22 |
-
1984
- 1984-12-06 JP JP18431884U patent/JPS6199019U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617353B2 (en) * | 1972-01-20 | 1981-04-22 | ||
| JPS4948893A (en) * | 1972-09-13 | 1974-05-11 |
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