JPH0238406Y2 - - Google Patents
Info
- Publication number
- JPH0238406Y2 JPH0238406Y2 JP3612384U JP3612384U JPH0238406Y2 JP H0238406 Y2 JPH0238406 Y2 JP H0238406Y2 JP 3612384 U JP3612384 U JP 3612384U JP 3612384 U JP3612384 U JP 3612384U JP H0238406 Y2 JPH0238406 Y2 JP H0238406Y2
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- resistance
- conductor path
- path
- paths
- 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.)
- Expired
Links
- 239000004020 conductor Substances 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
- Adjustable Resistors (AREA)
Description
【考案の詳細な説明】
この考案は、例えば液面計等のセンサとして用
いられる可変抵抗器に関し、更に詳しくはその可
動子の抵抗基板に対する位置関係を調整する調整
機構に関する。DETAILED DESCRIPTION OF THE INVENTION This invention relates to a variable resistor used, for example, as a sensor for a liquid level gauge, and more specifically to an adjustment mechanism for adjusting the positional relationship of its mover with respect to a resistance substrate.
従来のこの種の可変抵抗器としては、例えば第
１図及び第２図に示すようなものがある。これ
は、例えばセラミツク基板等の絶縁基板上に可動
接点摺動用の導体路列として各導体路間に跨設さ
れる抵抗路とを厚膜技術等により形成してなる可
変抵抗器である。図中、１はセラミツク基板等の
絶縁基板で、この絶縁基板１上には図に示すよう
なパターンを有する略平行に配列された導体路
２，３，４，５，６が印刷焼成され、導体路２〜
６間の夫々に抵抗路７，８，９，１０が形成され
ており、これにより抵抗基板１１が構成されてい
る。可動子１２に設けられた接点１３は導体路３
〜６上を例えば液面等の被測定量に対応して摺動
する。また、接点１３は電気的にアーに接続さ
れ、第２図に示すように、接点１３が導体路３、
導体路４、……と順次接続することにより抵抗値
が変り、メータ１４により被測定量の大きさが指
示される。なお、１５は電源である。 Conventional variable resistors of this type include those shown in FIGS. 1 and 2, for example. This is a variable resistor in which, for example, a resistor path is formed on an insulating substrate such as a ceramic substrate by thick film technology or the like, and a resistance path is provided as a conductor path array for sliding a movable contact between each conductor path. In the figure, 1 is an insulating substrate such as a ceramic substrate, and on this insulating substrate 1, conductor paths 2, 3, 4, 5, 6 arranged in substantially parallel having a pattern as shown in the figure are printed and fired. Conductor path 2~
Resistance paths 7, 8, 9, and 10 are formed between 6, respectively, and thus constitute a resistance substrate 11. A contact 13 provided on the mover 12 is connected to the conductor path 3
- 6 in accordance with the amount to be measured, such as the liquid level. Further, the contact 13 is electrically connected to ground, and as shown in FIG.
By sequentially connecting the conductor paths 4, . . . , the resistance value changes, and the meter 14 indicates the magnitude of the measured quantity. Note that 15 is a power source.
しかしながら、このような従来の可変抵抗器に
あつては、可動子１２の抵抗基板１１に対する位
置を調整する際に、基準とする導体路に接点１３
を合わせる場合、今、導体路４をその基準導体路
とすると、導体路４は印刷焼成で作られるため、
印刷限界幅があり、また、導体路４に接点１３が
接して抵抗路８及び抵抗路９からなる直列接続体
の抵抗値R0＋R1を示す範囲が導体路３及び導体
路４の中間点と導体路４及び導体路５の中間点と
の間となつていた。すなわち、第３図で説明する
と、位置決めの幅はｘからx′までの距離ｌがあ
り、その間で接点１３を調整・固定していたた
め、可動子１２の位置決めの精度が低くなるとい
う問題点があつた。 However, in such a conventional variable resistor, when adjusting the position of the movable element 12 with respect to the resistance board 11, the contact 13 is attached to the reference conductor path.
If we use the conductor path 4 as the reference conductor path, since the conductor path 4 is made by printing and firing,
There is a print limit width, and the range where the contact point 13 touches the conductor path 4 and shows the resistance value R 0 + R 1 of the series connection body consisting of the resistance path 8 and the resistance path 9 is the midpoint of the conductor path 3 and the conductor path 4. and the midpoint of the conductor path 4 and the conductor path 5. That is, to explain with reference to FIG. 3, the positioning width is a distance l from x to x', and since the contact 13 is adjusted and fixed between them, there is a problem that the accuracy of positioning the mover 12 is low. It was hot.
この考案はこのような従来の問題点に着目して
なされたもので、例えば導体路２及び導体路４間
に付加抵抗１６を設け、接点１３が導体路３及び
導体路４の両方に接している位置、すなわちｘの
位置（第３図参照）にあるときに、抵抗値特性が
急変（抵抗変化率大）するようにし、その位置で
可動子１２の位置調整を行うことにより、上記問
題点を解決することを目的としている。 This idea was made by paying attention to such conventional problems. For example, an additional resistor 16 is provided between the conductor path 2 and the conductor path 4, and the contact point 13 is in contact with both the conductor path 3 and the conductor path 4. By adjusting the position of the mover 12 at the position where the resistance value characteristic suddenly changes (resistance change rate is large) at the position x (see Figure 3), the above problem can be solved. It aims to solve the problem.
以下、この考案を図面に基づいて説明する。第
４〜６図は、この考案の第１実施例を示す図であ
る。まず構成を説明すると、第１〜２図と同一又
は同様部分は同一符号で示す第４〜６図におい
て、１６は付加抵抗路、１７は付加抵抗路１６に
一端を接続する導体路である。 This invention will be explained below based on the drawings. 4 to 6 are diagrams showing a first embodiment of this invention. First, the configuration will be described. In FIGS. 4 to 6, the same or similar parts as in FIGS. 1 to 2 are denoted by the same reference numerals. 16 is an additional resistance path, and 17 is a conductor path that connects one end to the additional resistance path 16.
次に作用を説明する。まず、可動子１２の位置
調整時のみ、導体路１７を導体路２にリード線等
で接続する。今、一例として、抵抗路７，８及び
９の抵抗値を夫々２Ω，３Ω及び４Ωとすると、
第６図に示す抵抗値特性が得られる。これからわ
かるように、接点１３が導体３及び導体４の双方
に接するｘの位置で抵抗値は急変する。従つて、
抵抗値をメータ１４で見ながら、接点１３の位置
を正確に調整・固定することができ、可動子１２
の位置決め精度が向上する。なお、調整終了後、
導体路２及び導体路１７間を接続していたリード
線等は取り外される。 Next, the action will be explained. First, only when adjusting the position of the movable element 12, the conductor path 17 is connected to the conductor path 2 with a lead wire or the like. Now, as an example, if the resistance values of resistance paths 7, 8 and 9 are respectively 2Ω, 3Ω and 4Ω,
The resistance value characteristics shown in FIG. 6 are obtained. As can be seen from this, the resistance value suddenly changes at the position x where the contact 13 contacts both the conductor 3 and the conductor 4. Therefore,
The position of the contact 13 can be accurately adjusted and fixed while checking the resistance value with the meter 14, and the movable element 12
positioning accuracy is improved. In addition, after the adjustment is completed,
The lead wires and the like that connected the conductor path 2 and the conductor path 17 are removed.
第７〜８図はこの考案の第２実施例を示す図で
あり、付加抵抗路１６を導体路５に接続した例で
ある。この場合、導体路１７をリード線等で導体
路３に接続すると、接点１３が第８図に示すx′の
位置にある時に抵抗値は急変する。 7 and 8 are diagrams showing a second embodiment of this invention, in which an additional resistance path 16 is connected to the conductor path 5. FIG. In this case, when the conductor path 17 is connected to the conductor path 3 with a lead wire or the like, the resistance value changes suddenly when the contact point 13 is at the position x' shown in FIG.
第９図はこの考案の第３実施例を示す図であ
り、上記第１実施例のものに対して更に第２の付
加抵抗路１８が導体路３及び導体路１７間に接続
されている例であり、該第１実施例と略同様の効
果を奏する。 FIG. 9 is a diagram showing a third embodiment of this invention, in which a second additional resistance path 18 is further connected between the conductor path 3 and the conductor path 17 in addition to that of the first embodiment. This provides substantially the same effects as the first embodiment.
第１０図はこの考案の第４実施例を示す図であ
り、導体路２にも接点１３が接触しうるように構
成されている例を示す。 FIG. 10 is a diagram showing a fourth embodiment of this invention, and shows an example in which the contact 13 can also come into contact with the conductor path 2.
第１１〜１２図はこの考案の第５実施例を示す
図であり、第１１図に示すように、予め付加抵抗
路１６を導体路２及び導体路４間に接続してお
き、可動子１２の位置決め調整後、例えばレーザ
ーカツト又はトリミング等により、第１２図に示
すように、前記付加抵抗路１６を切断する例であ
る。 11 and 12 are diagrams showing a fifth embodiment of this invention. As shown in FIG. 11, the additional resistance path 16 is connected in advance between the conductor path 2 and the conductor path 4. In this example, after the positioning adjustment, the additional resistance path 16 is cut, for example, by laser cutting or trimming, as shown in FIG.
なお、導体路１７及び付加抵抗路１６，１８等
は従来の導体路２〜６及び抵抗路７〜１０のパタ
ーン印刷と同時に印刷可能であり、ほとんどコス
トアツプにはならない。 Note that the conductor path 17 and the additional resistance paths 16, 18, etc. can be printed simultaneously with the pattern printing of the conventional conductor paths 2 to 6 and resistance paths 7 to 10, so that there is almost no increase in cost.
以上説明してきたように、この考案によれば、
その構成を従来の導体路及び抵抗路の他に付加抵
抗路を設け、その一端を例えば導体路４又は導体
路５等に接続し、他端を導体路１７に接続したも
のであり、可動子１２の接点１３を基準位置に合
わせこむときのみ導体路１７を導体路２又導体路
３に接続し、メータ１４が示す基準点抵抗値の一
段下がつた抵抗値を見ながら接点１３の位置調整
を行うようにしたため、可動子１２の位置決め精
度が向上するため、例えば液面計の各フロート位
置における指示精度を向上させることがができる
という効果が得られる。 As explained above, according to this idea,
Its configuration is that an additional resistance path is provided in addition to the conventional conductor path and resistance path, one end of which is connected to the conductor path 4 or the conductor path 5, etc., and the other end is connected to the conductor path 17. Connect the conductor path 17 to the conductor path 2 or the conductor path 3 only when aligning the contact 13 of 12 to the reference position, and adjust the position of the contact 13 while watching the resistance value that is one step lower than the reference point resistance indicated by the meter 14. Since this is done, the positioning accuracy of the movable element 12 is improved, so that it is possible to obtain the effect that, for example, the indication accuracy at each float position of a liquid level gauge can be improved.
第１図は従来の可変抵抗器を示す構成図、第２
図はその回路図、第３図は導体路と接点との位置
関係を示す説明図、第４図はこの考案による可変
抵抗器の第１実施例を示す構成図、第５図はその
回路図、第６図はその抵抗値特性図、第７図はこ
の考案の第２実施例を示す回路図、第８図はその
抵抗値特性図、第９図はこの考案の第３実施例を
示す回路図、第１０図はこの考案の第４実施例を
示す回路図、第１１図はこの考案の第５実施例を
示す構成図、第１２図はその構成説明図である。
１……絶縁基板、２，３，４，５，６，１７…
…導体路、７，８，９，１０，１６，１８……抵
抗路、１１……抵抗基板、１２……可動子、１３
……接点、１４……メータ、１５……電源。
Figure 1 is a configuration diagram showing a conventional variable resistor, Figure 2 is a configuration diagram showing a conventional variable resistor.
Figure 3 is an explanatory diagram showing the positional relationship between conductor paths and contacts, Figure 4 is a configuration diagram showing the first embodiment of the variable resistor according to this invention, and Figure 5 is its circuit diagram. , FIG. 6 is a resistance value characteristic diagram thereof, FIG. 7 is a circuit diagram showing a second embodiment of this invention, FIG. 8 is a resistance value characteristic diagram thereof, and FIG. 9 is a third embodiment of this invention. FIG. 10 is a circuit diagram showing a fourth embodiment of this invention, FIG. 11 is a configuration diagram showing a fifth embodiment of this invention, and FIG. 12 is an explanatory diagram of the configuration. 1... Insulating substrate, 2, 3, 4, 5, 6, 17...
...Conductor path, 7, 8, 9, 10, 16, 18...Resistance path, 11...Resistance board, 12...Mover, 13
... Contact, 14 ... Meter, 15 ... Power supply.
Claims (1)
の接点１３の摺動軌跡に沿つて略平行に配列され
た少なくとも３つの導体路２，３〜６を設けると
共に、該少なくとも３つの導体路間の夫々に抵抗
路７〜１０を設けてなる抵抗基板１１を備え、か
つ前記少なくとも３つの導体路２，３〜６のうち
略平行に配列された少なくとも２つの導体路３〜
６間の間隙寸法が前記可動子接点１３の接触面寸
法より小さくなるように形成されてなる可変抵抗
器において、前記少なくとも３つの導体路２，３
〜６のうち１つの導体路３又は４を挟んで対向す
る２つの導体路２，４又は３，５間に、前記可動
子１２の前記抵抗基板１１に対する位置決め調整
時に接続されかつ該調整終了後に切離される付加
抵抗路１６，１８が介挿されてなることを特徴と
する可変抵抗器。 At least two movers 12 are arranged on the insulating substrate 1.
A resistor comprising at least three conductor paths 2, 3 to 6 arranged substantially parallel to each other along the sliding locus of the contact 13, and resistance paths 7 to 10 provided between the at least three conductor paths, respectively. At least two conductor paths 3 to 6 are provided with a substrate 11 and are arranged substantially in parallel among the at least three conductor paths 2, 3 to 6.
In the variable resistor formed such that the gap size between the at least three conductor paths 2 and 3 is smaller than the contact surface size of the mover contact 13,
Connected between two conductor paths 2, 4 or 3, 5 facing each other across one conductor path 3 or 4 among 6 to 6 during position adjustment of the movable element 12 with respect to the resistance board 11, and after the adjustment is completed. A variable resistor characterized in that additional resistance paths 16 and 18 are inserted to be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3612384U JPS60149103U (en) | 1984-03-15 | 1984-03-15 | variable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3612384U JPS60149103U (en) | 1984-03-15 | 1984-03-15 | variable resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149103U JPS60149103U (en) | 1985-10-03 |
| JPH0238406Y2 true JPH0238406Y2 (en) | 1990-10-17 |
Family
ID=30541024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3612384U Granted JPS60149103U (en) | 1984-03-15 | 1984-03-15 | variable resistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007240274A (en) * | 2006-03-07 | 2007-09-20 | Denso Corp | Liquid level detector |
-
1984
- 1984-03-15 JP JP3612384U patent/JPS60149103U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007240274A (en) * | 2006-03-07 | 2007-09-20 | Denso Corp | Liquid level detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60149103U (en) | 1985-10-03 |
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