JP3063518U - Long switch - Google Patents
Long switchInfo
- Publication number
- JP3063518U JP3063518U JP1999002934U JP293499U JP3063518U JP 3063518 U JP3063518 U JP 3063518U JP 1999002934 U JP1999002934 U JP 1999002934U JP 293499 U JP293499 U JP 293499U JP 3063518 U JP3063518 U JP 3063518U
- Authority
- JP
- Japan
- Prior art keywords
- lower electrode
- long
- upper electrode
- switch
- long switch
- 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.)
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Abstract
(57)【要約】
【課題】本考案は、荷重動作圧のばらつきが少なく、電
気的特性に特に優れた長尺スイッチを提供する。
【解決手段】本考案の長尺スイッチは、長尺の外装体２
内に、長尺のスイッチ部３を内蔵した長尺スイッチ１で
あって、前記スイッチ部２は、前記外装体２内に配置し
た導電材からなる下部電極５と、前記外装体２内に前記
下部電極５と微小間隙７を隔てて対向配置した導電性バ
ネ性合金からなる上部電極６と、下部電極５と上部電極
６との間を微小間隙７を形成する状態で、下部電極と上
部電極との間の一部を絶縁する第１の絶縁層４とを有す
る構造としたものである。
(57) [Summary] The present invention provides a long switch having a small variation in a load operating pressure and having particularly excellent electrical characteristics. A long switch according to the present invention includes a long exterior body.
A long switch 1 in which a long switch unit 3 is built, wherein the switch unit 2 includes a lower electrode 5 made of a conductive material disposed in the exterior body 2, and the lower electrode 5 in the exterior body 2. An upper electrode 6 made of a conductive spring alloy and opposed to the lower electrode 5 with a minute gap 7 therebetween, and a lower electrode and an upper electrode in a state where a minute gap 7 is formed between the lower electrode 5 and the upper electrode 6. And a first insulating layer 4 that partially insulates between them.
Description
本考案は、長尺スイッチに関し、例えば人や動作物（ドアーの開閉、自動シャ ッター、無人搬送車等）の存在を検知し、検出信号を発生する長尺スイッチに関 するものである。 The present invention relates to a long switch, for example, a long switch that detects the presence of a person or a moving object (door opening / closing, automatic shutter, automatic guided vehicle, etc.) and generates a detection signal.
従来におけるこの種の例えば防水型の長尺スイッチとしては、図３に示す構造 のものが知られている。 図３に示す防水型の長尺スイッチは、シリコンゴム製で帯状に形成した外装材 ３１内に、一対の平網導線３２、３３を挟むようにして加圧導電性ゴム製の感圧 体３４を配置し、外装材３１を介して何らかの荷重が加わった際の感圧体３４の 導電性の変化を利用して、一対の平網導線３２、３３間で閉回路を形成し、荷重 の存在を検出するようにしている。 前記感圧体３４は、金属微粒子をシリコンゴムに混合して、加圧により導電性 を変化させる構造になっている。 As a conventional long switch of this type, for example, a waterproof type, a switch having a structure shown in FIG. 3 is known. The waterproof long switch shown in FIG. 3 has a pressure-sensitive body 34 made of pressurized conductive rubber sandwiched between a pair of flat net conductors 32 and 33 in a band-shaped exterior material 31 made of silicone rubber. Then, a closed circuit is formed between the pair of flat net conductors 32 and 33 by utilizing a change in the conductivity of the pressure sensitive body 34 when a certain load is applied via the exterior material 31 to detect the presence of the load. I am trying to do it. The pressure-sensitive body 34 has a structure in which metal fine particles are mixed with silicon rubber and the conductivity is changed by pressing.
しかしながら、上述した従来の防水型の長尺スイッチの場合、下記のような問 題がある。 即ち、先ず、荷重動作圧のばらつきが大きく、計測等の精密用途には不向きで ある。 また、電極として機能する前記平網導線３２、３３間の導通抵抗は１オーム以 下、加圧時のチャタリング時間が１０乃至１３０ｍｓであり、やはり計測等の精 密用途に適さない。 更に、防水性については、ＪＩＳ Ｃ ０９２０ ６等級相当であり、水没状 態で使用する用途には適さない。 本考案は、上記従来の事情に鑑みて開発されたものであり、荷重動作圧のばら つきが少なく、電気的特性、防水性に優れた長尺スイッチを提供するものである 。 However, in the case of the conventional waterproof long switch described above, there are the following problems. That is, firstly, the dispersion of the load operating pressure is large and is not suitable for precision use such as measurement. Further, the conduction resistance between the flat wire conductors 32 and 33 functioning as electrodes is 1 ohm or less, and the chattering time at the time of pressurization is 10 to 130 ms, which is also unsuitable for precision use such as measurement. Furthermore, the waterproof property is equivalent to JIS C09206 class, and is not suitable for use in a submerged state. The present invention has been developed in view of the above-mentioned conventional circumstances, and provides a long switch which has little variation in the load operating pressure, and has excellent electrical characteristics and waterproofness.
【課題を解決するための手段】 請求項１記載の考案は、長尺の外装体内に、長尺のスイッチ部を内蔵した長尺 スイッチであって、前記スイッチ部は、前記外装体内に配置した導電材からなる 下部電極と、前記外装体内に前記下部電極と間隙を隔てて対向配置した導電性バ ネ性合金からなる上部電極と、下部電極と上部電極との間を前記間隙を形成する 状態で、下部電極と上部電極との間の一部を絶縁する絶縁層とを有することを特 徴とするものである。 この考案によれば、導電性バネ性合金からなる上部電極に外装体を介して荷重 を伝達し、この上部電極を応答性良く変位させて下部電極との接触によるスイッ チ機能を発揮させるものであるから、電気的特性に特に優れた長尺スイッチを提 供することができる。 請求項２記載の考案は、長尺の防水性を有する断面山形状の外装体に形成した 長尺の空洞部内に、長尺のスイッチ部を内蔵した防水型の長尺スイッチであって 、前記スイッチ部は、外装体内に配置した導電材からなる下部電極と、外装体内 に前記下部電極と間隙を隔てて対向配置した導電性バネ性合金からなる上部電極 と、前記下部電極と、上部電極との間を前記間隙を形成する状態で、下部電極と 上部電極との間の一部を絶縁する絶縁層と、前記空洞部内壁に形成され、前記下 部電極、上部電極及び絶縁層の外周を覆う内壁側の絶縁層とを有することを特徴 とするものである。 この考案によれば、導電性バネ性合金からなる上部電極に断面山形状の外装体 を介して荷重を成分伝達し、この上部電極を前記間隙の部分を荷重に応じて応答 性良く変位させて下部電極との接触によるスイッチ機能を発揮させるものである から、荷重からの力の伝達性、スイッチとしての電気的特性、更に、防水性に特 に優れた防水型の長尺スイッチを提供することができる。Means for Solving the Problems The invention according to claim 1 is a long switch in which a long switch is built in a long exterior, wherein the switch is disposed in the exterior. A state in which a lower electrode made of a conductive material, an upper electrode made of a conductive vane alloy disposed in the exterior body facing the lower electrode with a gap therebetween, and the gap formed between the lower electrode and the upper electrode; And an insulating layer that partially insulates between the lower electrode and the upper electrode. According to this invention, a load is transmitted to an upper electrode made of a conductive spring alloy via an exterior body, and the upper electrode is displaced with good responsiveness to exert a switch function by contact with the lower electrode. Therefore, a long switch with particularly excellent electrical characteristics can be provided. The invention according to claim 2 is a waterproof type long switch in which a long switch portion is built in a long hollow portion formed in a long waterproof outer shape having a mountain-shaped cross section. The switch unit includes a lower electrode made of a conductive material disposed in the outer case, an upper electrode made of a conductive spring alloy disposed opposite to the lower electrode with a gap in the outer case, the lower electrode, and the upper electrode. An insulating layer that partially insulates between the lower electrode and the upper electrode, and an outer layer of the lower electrode, the upper electrode, and the insulating layer that is formed on the inner wall of the cavity and forms the gap between the lower electrode and the upper electrode. And an insulating layer on the inner wall side to be covered. According to this invention, the load is transmitted to the upper electrode made of a conductive spring alloy through the outer body having a mountain-shaped cross section, and the upper electrode is displaced with good responsiveness according to the load in the gap. Since the switch function is exhibited by contact with the lower electrode, it is necessary to provide a waterproof long switch that is particularly excellent in the transmission of force from a load, the electrical characteristics of the switch, and the waterproofness. Can be.
以下に、本考案の実施の形態の長尺スイッチを、図１、図２を参照して詳細に 説明する。 図１は本実施の形態の長尺スイッチ１の一部省略平面図、図２は図１のＡ−Ａ 線断面図である。 図１、図２に示す本実施の形態の長尺スイッチ１は、非導電性のゴム材及び合 成樹脂材から形成され、上部に中央に頂部を備えた山形状の荷重伝達用の凸部２ ａを設け、内部に断面矩形状の空洞部を設けた全体として長尺（図１に示すＹ1 、Ｙ2方向に連なる）の防水性を有する外装体２と、この外装体２内にやはりＹ1 、Ｙ2方向に連なる長尺の空間部３とを有している。 なお、前記外装体２は、これが防水性を有するか否かを特に限定するものでは ない。 前記空間部３は、図２に示すように、外装体２の空間部３の両端側全体に形成 した例えばポリイミド材からなる第１の絶縁層４と、空間部３の下側で第１の絶 縁層４の下に配置した導電材からなる下部電極５と、空間部３の上側で第１の絶 縁層４の上に配置され前記下部電極５と対向する状態で配置したリン青銅等の導 電性バネ性合金からなる上部電極６とを具備している。 前記外装体２内には、その内壁面、即ち外装体２の空洞部内壁に沿って、下部 電極５、絶縁層４、上部電極６の全体を長さ方向に包覆するように形成した第２ の絶縁層８とを具備している。 従って、前記下部電極５の上辺の長さ方向の両端側が第１の絶縁層４により覆 われ、下部電極５の上辺の残余の部分は接触部として露出し、上部電極６の下面 と微小間隙７を介して対向する構造となり、スイッチ部を構成している。 前記外装体２の外観形状は、上述した形状の他、断面皿状、断面半円形状、断 面台形状等各種の変形が可能であることはいうまでもない。 本実施の形態の長尺スイッチ１によれば、前記下部電極５がバネ性合金を用い た上部電極６の下面と微小間隙７を介して対向し、これらが荷重の有無により接 離する構造であるため、前述した従来例に比べ、下部電極５と上部電極６との導 通抵抗が小さくなり、また、荷重変動に対する応答速度の高速化を図ることも可 能でスイッチとしての電気的特性の向上を図ることができる。 また、本実施の形態に係る長尺スイッチ１の荷重動作圧のばらつきを測定した ところ、所定の代表値に対し、＋２０％、−２０％に押さえ込むことができ、動 作感度のばらつき特性の向上を図ることができることが判明した。 また、防水性については、ＪＩＳ Ｃ ０９２０ ７等級に相当することが実 験により確認できた。 このように本実施の形態に係る長尺スイッチ１によれば、応答速度が高速化し 、電気的特性の向上を図ることができるとともに、防滴から防侵まで広範な防水 環境に対応することもでき、計測用検知素子として用途を拡大し得るものである 。 即ち、本実施の形態の長尺スイッチ１は、工作機械、ロボット等の周辺におけ る人の存在を検知し危険を防止したり、人や動作物（ドアーの開閉、自動シャッ ター、無人搬送車等）の存在を検知し、非常信号を発生したり、人や動作物の存 在を検知し、出発点から終着点までの経過時間の計測を行なったり、更には、家 屋等への侵入者を検知し、防犯信号等を発生したりするような各種の広範な用途 に適用することができる。Hereinafter, a long switch according to an embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is a partially omitted plan view of a long switch 1 of the present embodiment, and FIG. 2 is a sectional view taken along line AA of FIG. The long switch 1 of the present embodiment shown in FIGS. 1 and 2 is formed of a nonconductive rubber material and a synthetic resin material, and has a mountain-shaped convex portion for transmitting a load having an apex at the center in the upper portion. 2a, and a long (to be continuous in Y 1 and Y 2 directions shown in FIG. 1) waterproof body 2 as a whole, in which a hollow section having a rectangular cross section is provided, and inside the body 2 It also has a long space 3 that continues in the Y 1 and Y 2 directions. The exterior body 2 does not particularly limit whether or not it has waterproofness. As shown in FIG. 2, the space portion 3 includes a first insulating layer 4 made of, for example, a polyimide material formed on both ends of the space portion 3 of the exterior body 2, and a first insulating layer 4 below the space portion 3. A lower electrode 5 made of a conductive material disposed below the insulating layer 4, a phosphor bronze disposed above the first insulating layer 4 above the space 3, and disposed opposite to the lower electrode 5. And an upper electrode 6 made of a conductive springy alloy. In the exterior body 2, a lower electrode 5, an insulating layer 4, and an upper electrode 6 are formed so as to cover the whole of the lower electrode 5, the insulating layer 4, and the upper electrode 6 along the inner wall surface, that is, the inner wall of the cavity of the exterior body 2. 2 insulating layer 8. Therefore, both ends in the length direction of the upper side of the lower electrode 5 are covered with the first insulating layer 4, the remaining portion of the upper side of the lower electrode 5 is exposed as a contact portion, and the lower surface of the upper electrode 6 and the minute gap 7 are exposed. , And constitute a switch unit. Needless to say, the exterior shape of the exterior body 2 can be variously modified, such as a dish-shaped cross section, a semicircular cross section, and a trapezoidal cross section, in addition to the above-described shapes. According to the long switch 1 of the present embodiment, the lower electrode 5 is opposed to the lower surface of the upper electrode 6 using a spring alloy via the minute gap 7 and is separated from each other depending on the presence or absence of a load. Therefore, the conduction resistance between the lower electrode 5 and the upper electrode 6 is smaller than that of the above-described conventional example, and the response speed with respect to load fluctuation can be increased. Improvement can be achieved. Also, when the variation in the load operating pressure of the long switch 1 according to the present embodiment was measured, it was possible to suppress the variation to a predetermined representative value of + 20% and -20%, thereby improving the variation characteristics of the operation sensitivity. It turned out that it can aim at. In addition, it was confirmed by experiments that the waterproof properties corresponded to JIS C09207 grade. As described above, according to the long switch 1 according to the present embodiment, the response speed can be increased, the electrical characteristics can be improved, and a wide range of waterproof environments from drip-proof to erosion-proof can be supported. It can be used as a sensing element for measurement. That is, the long switch 1 of the present embodiment detects the presence of a person in the vicinity of a machine tool, a robot, or the like to prevent danger, or prevents a person or a moving object (opening / closing a door, automatic shutter, unmanned conveyance). (Vehicles, etc.) to generate an emergency signal, detect the presence of a person or a moving object, measure the elapsed time from the starting point to the ending point, and It can be applied to various wide-ranging uses such as detecting an intruder and generating a security signal.
請求項１記載の考案によれば、電気的特性に特に優れた長尺スイッチを提供す ることができる。 請求項２記載の考案によれば、荷重からの力の伝達性、スイッチとしての電気 的特性、更に、防水性に特に優れた防水型の長尺スイッチを提供することができ る。 According to the first aspect of the present invention, it is possible to provide a long switch having particularly excellent electric characteristics. According to the second aspect of the present invention, it is possible to provide a waterproof long switch that is particularly excellent in the transmission of force from a load, the electrical characteristics of the switch, and the waterproofness.
【図１】本考案の実施の形態の長尺スイッチの一部省略
平面図である。FIG. 1 is a partially omitted plan view of a long switch according to an embodiment of the present invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】従来の防水型の長尺スイッチの部分斜視図であ
る。FIG. 3 is a partial perspective view of a conventional waterproof long switch.
１ 長尺スイッチ ２ 外装体 ２ａ 凸部 ３ 空間部 ４ 第１の絶縁層 ５ 下部電極 ６ 上部電極 ７ 微小間隙 ８ 第２の絶縁層 Reference Signs List 1 long switch 2 exterior body 2a convex part 3 space part 4 first insulating layer 5 lower electrode 6 upper electrode 7 minute gap 8 second insulating layer
Claims (2)
蔵した長尺スイッチであって、 前記スイッチ部は、前記外装体内に配置した導電材から
なる下部電極と、前記外装体内に前記下部電極と間隙を
隔てて対向配置した導電性バネ性合金からなる上部電極
と、下部電極と上部電極との間を前記間隙を形成する状
態で、下部電極と上部電極との間の一部を絶縁する絶縁
層とを有することを特徴とする長尺スイッチ。1. A long switch in which a long switch section is built in a long exterior body, wherein the switch section comprises a lower electrode made of a conductive material disposed in the exterior body, and a lower electrode in the exterior body. An upper electrode made of a conductive spring alloy disposed to face the lower electrode with a gap therebetween, and a portion between the lower electrode and the upper electrode in a state where the gap is formed between the lower electrode and the upper electrode. A long switch, comprising: an insulating layer for insulating the switch.
に形成した長尺の空洞部内に、長尺のスイッチ部を内蔵
した防水型の長尺スイッチであって、 前記スイッチ部は、前記外装体内に配置した導電材から
なる下部電極と、前記外装体内に前記下部電極と間隙を
隔てて対向配置した導電性バネ性合金からなる上部電極
と、前記下部電極と、上部電極との間を前記間隙を形成
する状態で、下部電極と上部電極との間の一部を絶縁す
る絶縁層と、前記空洞部内壁に形成され、前記下部電
極、上部電極及び絶縁層の外周を覆う内壁側の絶縁層と
を有することを特徴とする防水型の長尺スイッチ。2. A waterproof type long switch having a long switch portion built in a long hollow portion formed in a long waterproof outer package having a mountain-shaped cross section. A lower electrode made of a conductive material disposed in the outer package, an upper electrode made of a conductive spring alloy disposed to face the lower electrode with a gap therebetween in the outer package, and the lower electrode and the upper electrode An insulating layer that insulates a part between the lower electrode and the upper electrode in a state where the gap is formed between the lower electrode and the upper electrode; and an inner wall that is formed on the inner wall of the cavity and covers the outer periphery of the lower electrode, the upper electrode, and the insulating layer. A waterproof long switch having an insulating layer on the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1999002934U JP3063518U (en) | 1999-04-28 | 1999-04-28 | Long switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1999002934U JP3063518U (en) | 1999-04-28 | 1999-04-28 | Long switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP3063518U true JP3063518U (en) | 1999-11-09 |
Family
ID=43197224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1999002934U Expired - Fee Related JP3063518U (en) | 1999-04-28 | 1999-04-28 | Long switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3063518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440717U (en) * | 1990-08-01 | 1992-04-07 |
-
1999
- 1999-04-28 JP JP1999002934U patent/JP3063518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440717U (en) * | 1990-08-01 | 1992-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |