JPH0436619A - Adjusting method for heating resistance body - Google Patents
Adjusting method for heating resistance bodyInfo
- Publication number
- JPH0436619A JPH0436619A JP2141382A JP14138290A JPH0436619A JP H0436619 A JPH0436619 A JP H0436619A JP 2141382 A JP2141382 A JP 2141382A JP 14138290 A JP14138290 A JP 14138290A JP H0436619 A JPH0436619 A JP H0436619A
- Authority
- JP
- Japan
- Prior art keywords
- heating resistor
- resistor
- adjusting
- adjusting method
- resistance value
- 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
Landscapes
- Measuring Volume Flow (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は抵抗体の調整方法に関し、特に感熱形流量計に
使用する板状の抵抗体の抵抗値調整方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for adjusting a resistor, and particularly to a method for adjusting the resistance value of a plate-shaped resistor used in a heat-sensitive flowmeter.
従来の技術は、特開平１−１０９２２号公報に記載のよ
うにセラミックの円筒形の発熱抵抗体について示されて
いるが板状の発熱抵抗体に関しては論じられていなかっ
た。The prior art, as described in Japanese Unexamined Patent Publication No. 1-10922, describes a ceramic cylindrical heating resistor, but does not discuss a plate-shaped heating resistor.
上記従来技術は板状の発熱抵抗体について配慮がされて
おらず、発熱抵抗体の形状による問題点があった。The above-mentioned conventional technology does not take into consideration the plate-shaped heating resistor, and there are problems due to the shape of the heating resistor.
本発明は、板状の発熱抵抗体の抵抗値調整方法を目的と
しており、温度分布の均一化された発熱抵抗体を有する
感熱形流量計を提供することにある。The present invention aims at a method for adjusting the resistance value of a plate-shaped heating resistor, and an object of the present invention is to provide a heat-sensitive flowmeter having a heating resistor with a uniform temperature distribution.
上記目的を達成するために、セラミックの板に導体、抵
抗体、保護ガラスを形成し抵抗体の中央を基準に左右対
称にレーザビームで調整をしたものである。In order to achieve the above object, a conductor, a resistor, and a protective glass are formed on a ceramic plate, and the laser beam is adjusted symmetrically with respect to the center of the resistor.
板状の発熱抵抗体の抵抗値調整方法は、最初に流体の流
れ方向に対し直角方向の抵抗体の長さの１７２部（中央
）をレーザビームにより調整を行なう。次に左右対称に
なった抵抗体の中央を同時に調整し次々に残った抵抗体
の長さの１７２部分を調整し調整後が左右対称にする。In a method for adjusting the resistance value of a plate-shaped heating resistor, first, 172 parts (center) of the length of the resistor in a direction perpendicular to the fluid flow direction are adjusted using a laser beam. Next, the centers of the now symmetrical resistors are adjusted at the same time, and 172 portions of the length of the remaining resistors are adjusted one after another, so that the left and right sides are symmetrical after adjustment.
この調整方法により板状の発熱抵抗体の温度分布を均一
化することができる。By this adjustment method, the temperature distribution of the plate-shaped heating resistor can be made uniform.
以下１本発明の一実施例を図を用いて説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は、本発明の発熱抵抗体の外観図、第２図は、第
１図のＡＡ断面図、第３図は従来技術の発熱抵抗体の断
面図である。FIG. 1 is an external view of a heating resistor of the present invention, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is a cross-sectional view of a conventional heating resistor.
第１図において、１はセラミック板、２は導体、３は抵
抗体、４は３の抵抗体の保護ガラス、５はリード線であ
る。In FIG. 1, 1 is a ceramic plate, 2 is a conductor, 3 is a resistor, 4 is a protective glass for the 3 resistors, and 5 is a lead wire.
この製造方法は、セラミック板１に導体２．抵抗体３及
び保護ガラス４をそれぞれ印刷・焼成する次に抵抗値を
調整する。調整方法は最初に流体の流れＱ方向に直角方
向の抵抗体の長さＬの中央Ｔ１部をレーザビームにて調
整する。次にＴ１部を中心とした左右の抵抗体の中央１
２部を同時に調整する同様に次にＴａ部を同時に調整し
て行き左右対称になるように調整を行なう方法である。This manufacturing method includes a ceramic plate 1, a conductor 2. After printing and firing the resistor 3 and the protective glass 4, the resistance value is adjusted. In the adjustment method, first, the center T1 portion of the length L of the resistor in the direction perpendicular to the direction Q of the fluid flow is adjusted using a laser beam. Next, center 1 of the left and right resistors centering on the T1 part.
In this method, the two parts are adjusted simultaneously.Similarly, the Ta part is then adjusted simultaneously so that the two parts become symmetrical.
本実施例によれば、第３図で示す従来技術の発熱抵抗体
の製造方法で製造合理化のネックになっている円筒形セ
ラミックボビン６へ発熱抵抗体７の巻き付は作業及び抵
抗値選別する作業を廃止することができ製造面でも作業
性に優れた発熱抵抗体を提供することができる。また前
記した抵抗体を左右対称に調整する方法により発熱抵抗
体の温度分布が均一化され流体の流量変化に対しての温
度分布の変化の少ない安定性の良い発熱抵抗体を有する
感熱形流量計を提供できる効果がある。According to this embodiment, the winding of the heating resistor 7 around the cylindrical ceramic bobbin 6, which is a bottleneck in manufacturing rationalization in the conventional heating resistor manufacturing method shown in FIG. It is possible to provide a heat generating resistor that can eliminate the work and is excellent in workability in terms of manufacturing. In addition, the temperature distribution of the heating resistor is made uniform by the above-mentioned method of symmetrically adjusting the resistor, and the thermal flowmeter has a stable heating resistor with little change in temperature distribution in response to changes in fluid flow rate. It is effective in providing the following.
本発明によれば、発熱抵抗体の巻き付は作業及び抵抗値
選別作業が廃止することができる。また温度分布が均一
で流量変化に対しての温度分布の変化の少ない安定性の
良い発熱抵抗体を有する感熱形流量計を提供できる。According to the present invention, the work of winding the heating resistor and the work of selecting resistance values can be eliminated. Further, it is possible to provide a heat-sensitive flowmeter having a stable heating resistor with uniform temperature distribution and little change in temperature distribution with respect to changes in flow rate.
第１図は本発明の一実施例の発熱抵抗体の外観図、第２
図は第１図のＡ−Ａ線断面図、第３図は従来技術の発熱
抵抗体の断面図、第４図は流量計の回路図である。
１・・・セラミック板、２・・導体、３・・・抵抗体、
４・・・保護ガラス、５・・・リード線、６・・・セラ
ミックボビン、７・・・発熱抵抗体、８・・・ガラスペ
ースト、Ｑ・・・流量方向、Ｔ１〜Ｔ３・・・調整箇所
。Fig. 1 is an external view of a heating resistor according to an embodiment of the present invention;
The figures are a sectional view taken along the line A--A in FIG. 1, FIG. 3 is a sectional view of a conventional heating resistor, and FIG. 4 is a circuit diagram of a flowmeter. 1... Ceramic plate, 2... Conductor, 3... Resistor,
4... Protective glass, 5... Lead wire, 6... Ceramic bobbin, 7... Heating resistor, 8... Glass paste, Q... Flow direction, T1 to T3... Adjustment part.
Claims (1)
印刷して成る発熱抵抗体においてその抵抗値の調整方法
がレーザビームにより最初に抵抗体の長さＬの１／２（
中央部）を調整し次に左右に分かれた１／２Ｌの中央を
同時に調整し次々に同じ様に左右対称に調整を行なうこ
とを特徴とする発熱抵抗体の調整方法。1. The method for adjusting the resistance value of a heating resistor, which is made by printing a heating resistor, a conductor, and a protective glass on a ceramic plate, is to first adjust the resistance value by using a laser beam to
A method for adjusting a heat generating resistor, which is characterized by adjusting the central part), then simultaneously adjusting the center of 1/2L divided into left and right parts, and making the same symmetrical adjustments one after another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2141382A JPH0436619A (en) | 1990-06-01 | 1990-06-01 | Adjusting method for heating resistance body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2141382A JPH0436619A (en) | 1990-06-01 | 1990-06-01 | Adjusting method for heating resistance body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436619A true JPH0436619A (en) | 1992-02-06 |
Family
ID=15290698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2141382A Pending JPH0436619A (en) | 1990-06-01 | 1990-06-01 | Adjusting method for heating resistance body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010042307A1 (en) * | 2010-10-12 | 2012-04-12 | Innovative Sensor Technology Ist Ag | Flow sensor for determining mass flow in automobile industry, has trim structures divided into two connected portions, where portions of trim structure are symmetrical to midpoint or symmetry axis that is arranged around sensor structure |
-
1990
- 1990-06-01 JP JP2141382A patent/JPH0436619A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010042307A1 (en) * | 2010-10-12 | 2012-04-12 | Innovative Sensor Technology Ist Ag | Flow sensor for determining mass flow in automobile industry, has trim structures divided into two connected portions, where portions of trim structure are symmetrical to midpoint or symmetry axis that is arranged around sensor structure |
| DE102010042307B4 (en) * | 2010-10-12 | 2018-04-12 | Innovative Sensor Technology Ist Ag | flow sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH05223850A (en) | High performance shunt device | |
| US4881407A (en) | Hot wire air flow meter | |
| JPH0436619A (en) | Adjusting method for heating resistance body | |
| GB1427850A (en) | Fixed resistors | |
| JPH0151931B2 (en) | ||
| JPS60180857A (en) | Thermal printer | |
| JPH04177889A (en) | Method of pre-soldering | |
| JP2786045B2 (en) | Surface mount type variable resistor | |
| JPS63141301A (en) | Manufacture of thick film circuit | |
| JPS586282B2 (en) | Kouseido Teikou | |
| JPS6336641Y2 (en) | ||
| JPS60174665A (en) | thermal printer | |
| JPH0199860A (en) | Thermal head | |
| JPH02130947A (en) | Semiconductor device | |
| JPH04173261A (en) | Thermal head | |
| JPS62248202A (en) | Temperature sensor | |
| JPS62288062A (en) | Thermal head | |
| JPS6164465A (en) | thermal head | |
| JPS6127264A (en) | Formation of thermal head | |
| JPS5874371A (en) | Thermal head | |
| JPS56161179A (en) | Thermal head | |
| JPS6456566A (en) | Line type thermal head | |
| JPS59162247U (en) | thermal recording head | |
| JPH0443516B2 (en) | ||
| JPS58112556U (en) | thermal head |