JPH0297786U - - Google Patents
Info
- Publication number
- JPH0297786U JPH0297786U JP516289U JP516289U JPH0297786U JP H0297786 U JPH0297786 U JP H0297786U JP 516289 U JP516289 U JP 516289U JP 516289 U JP516289 U JP 516289U JP H0297786 U JPH0297786 U JP H0297786U
- Authority
- JP
- Japan
- Prior art keywords
- discharge tube
- insulator
- triode discharge
- shorting
- fitting
- 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
- 239000012212 insulator Substances 0.000 claims description 8
- 229920001225 polyester resin Polymers 0.000 claims 1
- 239000004645 polyester resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Description
第１図は、本考案第一実施例の分解斜視図。第
２図は、前記第一実施例の模式断面を示す説明図
。第３図は、本考案第二実施例の分解斜視図。第
４図は、本考案の実施形態の回路図。第５図は、
従来例の説明図。
１…三極放電管、１Ａ，１Ｂ…線路電極、１Ｃ
…セラミツク管、１Ｄ…リード線、１Ｅ…接地電
極、１Ｈ，２Ｈ…凹部、２，１２…短絡金具、２
Ａ，２Ｂ，２Ｅ，１２Ａ，１２Ｂ…接点、３Ａ，
３Ｂ，１３…絶縁体、４…保安器、Ｅ…接地端子
、Ｇ…空隙、Ｌ１，Ｌ２…線路端子、Ｌ１′，Ｌ
２′…宅内端子、Ｖ１，Ｖ２…電流抵抗素子。
FIG. 1 is an exploded perspective view of the first embodiment of the present invention. FIG. 2 is an explanatory diagram showing a schematic cross section of the first embodiment. FIG. 3 is an exploded perspective view of the second embodiment of the present invention. FIG. 4 is a circuit diagram of an embodiment of the present invention. Figure 5 shows
An explanatory diagram of a conventional example. 1...Triode discharge tube, 1A, 1B...Line electrode, 1C
...ceramic tube, 1D...lead wire, 1E...ground electrode, 1H, 2H...recess, 2, 12...short circuit fitting, 2
A, 2B, 2E, 12A, 12B...Contact, 3A,
3B, 13...Insulator, 4...Safety device, E...Ground terminal, G...Gap, L1 , L2 ...Line terminal, L1 ', L
2 '...In-house terminal, V1 , V2 ...Current resistance element.
Claims (1)
けられた接地電極とを備えた三極放電管と、 ばね力を有しこの三極放電管に外側から嵌めら
れ各電極間を電気的に短絡する短絡金具と、 前記線路電極とこの短絡金具との間に挿入され
た熱反応性の絶縁体と を備えた三極放電管の短絡構造において、 前記短絡金具には、前記絶縁体と接する位置と
は離れた位置に前記線路電極と接触する接点が形
成され、 前記絶縁体は、定常使用温度では前記短絡金具
の有するばね力に対抗して前記接点と前記線路電
極との間に空隙を保持させ、前記放電管の作動温
度では軟化して前記短絡金具のばね力により前記
接点と前記線路電極とを接触させる構造である ことを特徴とする三極放電管の短絡構造。 ２ 前記線路電極には凹部が形成され、前記絶縁
体はこの凹部と前記短絡金具との間に挿入された
請求項１記載の三極放電管の短絡構造。 ３ その絶縁体は球状である請求項２記載の三極
放電管の短絡構造。 ４ その絶縁体は円筒状である請求項１または２
記載の三極放電管の短絡構造。 ５ その絶縁体はポリエステル樹脂である請求項
１記載の三極放電管の短絡構造。[Claims for Utility Model Registration] 1. A triode discharge tube comprising a pair of line electrodes and a ground electrode provided opposite to the line electrodes, and a triode discharge tube having a spring force and fitted from the outside to the triode discharge tube. A short-circuiting structure for a triode discharge tube comprising: a short-circuiting fitting that electrically shorts between each electrode, and a heat-reactive insulator inserted between the line electrode and the shorting fitting; A contact point that contacts the line electrode is formed at a position apart from a position in contact with the insulator, and the insulator resists the spring force of the shorting fitting at a steady operating temperature to connect the contact point and the line electrode. A triode discharge tube having a structure in which a gap is maintained between the contact point and the line electrode, and the contact point is softened at the operating temperature of the discharge tube, and the contact point and the line electrode are brought into contact by the spring force of the shorting fitting. short circuit structure. 2. The triode discharge tube shorting structure according to claim 1, wherein a recess is formed in the line electrode, and the insulator is inserted between the recess and the shorting fitting. 3. The short circuit structure of a triode discharge tube according to claim 2, wherein the insulator is spherical. 4. Claim 1 or 2, wherein the insulator is cylindrical.
Short-circuit structure of the described triode discharge tube. 5. The short circuit structure of a triode discharge tube according to claim 1, wherein the insulator is a polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP516289U JPH0297786U (en) | 1989-01-19 | 1989-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP516289U JPH0297786U (en) | 1989-01-19 | 1989-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297786U true JPH0297786U (en) | 1990-08-03 |
Family
ID=31208297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP516289U Pending JPH0297786U (en) | 1989-01-19 | 1989-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511405A (en) * | 2008-01-31 | 2011-04-07 | エプコス アクチエンゲゼルシャフト | Electrical protection component with short-circuit device |
-
1989
- 1989-01-19 JP JP516289U patent/JPH0297786U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511405A (en) * | 2008-01-31 | 2011-04-07 | エプコス アクチエンゲゼルシャフト | Electrical protection component with short-circuit device |
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