JP2515211Y2 - Linear resistor mounting structure - Google Patents
Linear resistor mounting structureInfo
- Publication number
- JP2515211Y2 JP2515211Y2 JP1990050543U JP5054390U JP2515211Y2 JP 2515211 Y2 JP2515211 Y2 JP 2515211Y2 JP 1990050543 U JP1990050543 U JP 1990050543U JP 5054390 U JP5054390 U JP 5054390U JP 2515211 Y2 JP2515211 Y2 JP 2515211Y2
- Authority
- JP
- Japan
- Prior art keywords
- linear resistor
- electrodes
- resistance value
- parallel
- mounting structure
- 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 - Lifetime
Links
Landscapes
- Details Of Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は直線状抵抗体の取付構造に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a linear resistor mounting structure.
（従来の技術） 抵抗体付き温度ヒューズ、発熱体、電気点火装置等に
おいては、絶縁体等に固定した電極間に線状抵抗体を溶
接により接続して、電極間に所定の抵抗値を付与してい
る。この場合、回路条件に応じて、設定抵抗値を異なら
しめる必要があり、従来においては電極間の間隔、線状
抵抗体の固有抵抗値、あるいは、線状抵抗体の線径を変
えて、設定抵抗値を異ならしめている。(Prior Art) In a thermal fuse with a resistor, a heating element, an electric ignition device, etc., a linear resistor is connected by welding between electrodes fixed to an insulator, etc., and a predetermined resistance value is given between the electrodes. are doing. In this case, it is necessary to change the set resistance value according to the circuit condition, and in the past, it was set by changing the interval between electrodes, the specific resistance value of the linear resistor, or the wire diameter of the linear resistor. The resistance values are different.
（解決しょうとする課題） しかしながら、かかる手段では、電極を設けた絶縁
板、線状抵抗体を多種類製作する必要があり、製造上、
煩雑である。(Problems to be solved) However, in such means, it is necessary to manufacture a large number of types of insulating plates and linear resistors provided with electrodes.
It is complicated.
本考案の目的は、電極間の距離が同一であり、線状抵
抗体が同一であっても、電極間の抵抗値を容易に異なら
しめうる直線状抵抗体の固定構成を提供することにあ
る。SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixed structure of a linear resistor in which the distance between electrodes is the same and the resistance value between the electrodes can be easily changed even if the linear resistors are the same. .
（課題を解決するための手段） 本考案に係る直線状抵抗体の取付構造は、位置が固定
された一対の平行電極の間に直線状抵抗体が、上記平行
電極の互に対向する縁端を通る平行線間の距離よりも少
なくとも長い長さで電極の平行方向に対し斜め方向にて
渡され電極に固定されていることを特徴とする構成であ
る。(Means for Solving the Problem) In the linear resistor mounting structure according to the present invention, a linear resistor is provided between a pair of parallel electrodes whose positions are fixed, and the edges of the parallel electrodes are opposed to each other. The structure is characterized in that it is passed over in an oblique direction with respect to the parallel direction of the electrodes and fixed to the electrodes with a length at least longer than the distance between the parallel lines passing through.
（実施例の説明） 以下、図面により本考案の実施例を説明する。(Explanation of embodiment) Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図は本考案の一実施例を示す説明図である。この
実施例は、抵抗体付き温度ヒューズにおける線状抵抗体
の取付けに使用できる。FIG. 1 is an explanatory view showing an embodiment of the present invention. This embodiment can be used for mounting a linear resistor in a thermal fuse with a resistor.
第１図において、１はセラミックス板等の絶縁基板で
ある。２、２は絶縁基板１上に設けた一対の平行電極で
あり、導電性塗料の塗布・焼き付け、あるいは銅箔積層
絶縁基板の銅箔のエッチング等によって形成できる。
３、３は電極２、２に接続したリード線である。４は線
状抵抗体であり、上記平行電極2,2の互に対向する縁端
を通る平行線p,p間の距離ｌ（以下、電極間の距離と称
する）よりも少なくとも長い長さで電極の平行方向に対
し斜め方向にて電極間に渡され、各電極とこの線状抵抗
体との間は抵抗溶接やビーム溶接等により溶着してあ
る。この線状抵抗体には、通常、線径５μｍ〜50μｍの
ものが使用される。In FIG. 1, reference numeral 1 is an insulating substrate such as a ceramic plate. Reference numerals 2 and 2 denote a pair of parallel electrodes provided on the insulating substrate 1, which can be formed by applying / baking a conductive paint or etching the copper foil of the copper foil laminated insulating substrate.
Reference numerals 3 and 3 are lead wires connected to the electrodes 2 and 2. Reference numeral 4 denotes a linear resistor having a length at least longer than a distance l (hereinafter referred to as a distance between electrodes) between the parallel lines p passing through the edges of the parallel electrodes 2, 2 which face each other. The electrodes are passed diagonally with respect to the parallel direction of the electrodes, and the electrodes and the linear resistors are welded by resistance welding or beam welding. A wire having a wire diameter of 5 μm to 50 μm is usually used for this linear resistor.
第１図において、電極２、２間の距離をｌ、線状抵抗
線４の単位長さ当たりの抵抗値をｒ、線状抵抗体４の渡
し傾斜角をθとすれば、電極２、２間の抵抗値Ｒは、 で与えられる。従って、電極間の距離ｌが一定で、且つ
線状抵抗体の単位長さ当たりの抵抗値ｒが一定のもとで
も（線状抵抗体４の固有抵抗値、並びに線径が一定）、
電極間の抵抗値Ｒを線状抵抗体の渡し角θの調整によっ
て広範囲に変えることができる。In FIG. 1, assuming that the distance between the electrodes 2 and 2 is l, the resistance value of the linear resistance wire 4 per unit length is r, and the passing inclination angle of the linear resistor 4 is θ, the electrodes 2 and 2 are shown. The resistance value R between Given in. Therefore, even when the distance l between the electrodes is constant and the resistance value r per unit length of the linear resistor is constant (the specific resistance value of the linear resistor 4 and the wire diameter are constant),
The resistance value R between the electrodes can be changed in a wide range by adjusting the passing angle θ of the linear resistor.
第２図Ａは本考案の別実施例を示す縦断面図、第２図
Ｂは第２図Ａにおけるｂ−ｂ断面図である。この別実施
例は電気点火装置における発熱用線状抵抗体の取付けに
使用できる。2A is a vertical sectional view showing another embodiment of the present invention, and FIG. 2B is a sectional view taken along line bb in FIG. 2A. This alternative embodiment can be used for mounting a heating linear resistor in an electric ignition device.
第２図Ａ並びに第２図Ｂにおいて、１は絶縁盤であ
る。２、２は絶縁盤１に貫通した一対の電極棒であり、
断面形状を長方形にし、この長方形断面を平行としてあ
る。各電極２の上端面20と絶縁盤１の上面10とは面一と
し、又、電極棒２、２相互間を角度θ0でシフトさせて
ある。４は線状抵抗体であり、少なくとも上記平行長方
形断面間の間隔よりも長い長さで斜め方向に電極棒の上
端面20,20間に限定され、電極棒上端面とこの線状抵抗
体との間は溶接してある。In FIGS. 2A and 2B, 1 is an insulating board. 2 and 2 are a pair of electrode rods penetrating the insulating board 1,
The cross-sectional shape is rectangular, and the rectangular cross sections are parallel. The upper end surface 20 of each electrode 2 and the upper surface 10 of the insulating board 1 are flush with each other, and the electrode bars 2 and 2 are shifted from each other by an angle θ 0 . Reference numeral 4 denotes a linear resistor, which is at least longer than the interval between the parallel rectangular cross sections and is diagonally limited between the upper end faces 20 and 20 of the electrode rod. Welded between.
第２図Ｂにおいて、電極棒上端面20、20間の間隔を
ｌ、線状抵抗体４の単位長さ当たりの抵抗値をｒ、電極
棒２、２間の抵抗値をＲとすれば、抵抗値Ｒは前記第
で与えられる。In FIG. 2B, if the distance between the upper end faces 20 and 20 of the electrode rod is 1, the resistance value per unit length of the linear resistor 4 is r, and the resistance value between the electrode rods 2 and 2 is R, The resistance value R is given by the above.
上記何れの実施例においても、第で与えられる抵抗
値Ｒの角度θに対する変化度ΔR/Δθは、 ΔR/Δθ＝lr・sinθ/cos2θ−− で与えられ、θが90°に近づくに従って抵抗値Ｒの変化
割合が大きくなり、θが０に近づくに従って抵抗値Ｒの
変化割合が小さくなる。従って、抵抗値が大きく異なる
多種類の抵抗体付き温度ヒューズ、発熱素子を製造する
場合は、θを90°近傍の基準角度θ0を中心として傾斜
角θを替え、抵抗値を微調整する場合は、０°近傍の基
準角θ0を中心として傾斜角θを変えることが有効であ
る。In any of the above examples, the degree of change ΔR / Δθ in the resistance value R given with respect to the angle θ is given by ΔR / Δθ = lr · sin θ / cos 2 θ−−, and as θ approaches 90 ° The rate of change of the resistance value R increases, and the rate of change of the resistance value R decreases as θ approaches 0. Therefore, when manufacturing various types of thermal fuses with resistors and heating elements with widely different resistance values, when changing the tilt angle θ around the reference angle θ 0 near 90 ° and finely adjusting the resistance value Is effective to change the tilt angle θ around the reference angle θ 0 near 0 °.
（考案の効果） 本考案に係る直線状抵抗体の取付構造によれば、電極
間の距離や線状抵抗体の固有抵抗や線径を変えることな
く、直線状抵抗体の斜め角度を変えて電極間の抵抗線長
さを調整することにより、電極間抵抗値を所望値に設定
できる。従って、同一の電極付き絶縁板、同一の線状抵
抗体を用いて抵抗値の異なる多種類の抵抗体付き温度ヒ
ューズを容易に製造できる、あるいは絶縁板の電極間隔
又は線状抵抗体の線径乃至は固有抵抗が変化しても線状
抵抗体の傾斜角度の微調整によって電極間に同一の抵抗
値を付与できる。(Advantage of the Invention) According to the linear resistor mounting structure of the present invention, the diagonal angle of the linear resistor can be changed without changing the distance between the electrodes, the specific resistance of the linear resistor, or the wire diameter. By adjusting the resistance wire length between the electrodes, the interelectrode resistance value can be set to a desired value. Therefore, various types of thermal fuses with resistors having different resistance values can be easily manufactured by using the same insulating plate with electrodes and the same linear resistor, or the electrode interval of the insulating plate or the wire diameter of the linear resistor. Even if the specific resistance changes, the same resistance value can be given between the electrodes by finely adjusting the inclination angle of the linear resistor.
第１図は本考案の１実施例を示す上面図、第２図Ａは本
考案の別実施例を示す縦断面図、第２図Ｂは第２図Ａの
ｂ−ｂ断面図である。 １……絶縁体、２……電極、４……線状抵抗体。1 is a top view showing one embodiment of the present invention, FIG. 2A is a vertical sectional view showing another embodiment of the present invention, and FIG. 2B is a sectional view taken along the line bb of FIG. 2A. 1 ... Insulator, 2 ... Electrode, 4 ... Linear resistor.
Claims (1)
線状抵抗体が、上記平行電極の互に対向する縁端を通る
平行線間の距離よりも少なくとも長い長さで電極の平行
方向に対し斜め方向にて渡され電極に固定されているこ
とを特徴とする直線状抵抗体の取付構造。1. A linear resistor is provided between a pair of parallel electrodes whose positions are fixed, and a parallel resistance of the electrodes is at least longer than a distance between parallel lines passing through opposite edges of the parallel electrodes. The linear resistor mounting structure is characterized in that it is passed obliquely to the direction and is fixed to the electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050543U JP2515211Y2 (en) | 1990-05-14 | 1990-05-14 | Linear resistor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050543U JP2515211Y2 (en) | 1990-05-14 | 1990-05-14 | Linear resistor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0410301U JPH0410301U (en) | 1992-01-29 |
| JP2515211Y2 true JP2515211Y2 (en) | 1996-10-30 |
Family
ID=31569183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990050543U Expired - Lifetime JP2515211Y2 (en) | 1990-05-14 | 1990-05-14 | Linear resistor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515211Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114745A (en) * | 1978-02-27 | 1979-09-07 | Nippon Electric Co | Resistance device |
-
1990
- 1990-05-14 JP JP1990050543U patent/JP2515211Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410301U (en) | 1992-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |