JPH037620U - - Google Patents
Info
- Publication number
- JPH037620U JPH037620U JP9792489U JP9792489U JPH037620U JP H037620 U JPH037620 U JP H037620U JP 9792489 U JP9792489 U JP 9792489U JP 9792489 U JP9792489 U JP 9792489U JP H037620 U JPH037620 U JP H037620U
- Authority
- JP
- Japan
- Prior art keywords
- power
- lightning protection
- protection circuit
- communication line
- plug
- 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
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第1図は本考案の第1の実施例に係る落雷保護
回路の回路構成図、第2図a〜cは落雷発生時に
流れる電流のルートを示す説明図、第3図は本考
案の第2の実施例における電源接続図、第4図は
その実施例での電源プラグとコンセントの説明図
、第5図は本考案の第3の実施例における電源・
回線接続図、第6図はその実施例での電源プラグ
とコンセントの説明図、第7図は本考案の第4の
実施例における落雷保護回路図、第8図aは本考
案の第5の実施例における電源プラグの外観斜視
図、同図bはその電源プラグを挿入するコンセン
トの正面図、第9図a〜dは落雷保護回路の回路
構成の他の実施例を示す回路図である。
1……電源プラグ、2……スイツチ、3……バ
リスタ、4……ヒユーズ、5……ノイズフイルタ
、6……電源回路、7,9……アレスタ、8……
トランス、10,17b……フアクシミリ回路、
11……機器、11a,17a……電源回路、1
2……電源コード、13,18,23……電源プ
ラグ、14,19,24……コンセント、15a
〜15e……落雷保護素子、16……ケーブル、
17……フアクシミリ装置、21……プラグ、2
2……ジヤツク。
Fig. 1 is a circuit configuration diagram of a lightning protection circuit according to the first embodiment of the present invention, Figs. FIG. 4 is an explanatory diagram of the power plug and outlet in the third embodiment of the present invention. FIG. 5 is a power supply connection diagram in the third embodiment of the present invention.
Line connection diagram, Figure 6 is an explanatory diagram of the power plug and outlet in this embodiment, Figure 7 is a lightning protection circuit diagram in the fourth embodiment of the present invention, and Figure 8a is the fifth embodiment of the present invention. FIG. 9b is a front view of an outlet into which the power plug is inserted, and FIGS. 9a to 9d are circuit diagrams showing other embodiments of the circuit configuration of the lightning protection circuit. 1...Power plug, 2...Switch, 3...Varistor, 4...Fuse, 5...Noise filter, 6...Power circuit, 7, 9...Arrester, 8...
Transformer, 10, 17b...facsimile circuit,
11...Equipment, 11a, 17a...Power circuit, 1
2... Power cord, 13, 18, 23... Power plug, 14, 19, 24... Outlet, 15a
~15e...Lightning protection element, 16...Cable,
17...Facsimile device, 21...Plug, 2
2...Jack.
Claims (1)
れる落雷保護回路において、機器の電源がオフの
ときには、上記通信回線の接続を切り離すスイツ
チ回路を備えていることを特徴とする落雷保護回
路。 (2) 機器から引き出された電源コードの一端に
取り付けられた電源プラグを電源コンセントに差
し込で電源供給する機器に配設される落雷保護回
路において、その落雷保護回路は上記記電源プラ
グ内に配設されていることを特徴とする落雷保護
回路。 (3) 通信回線を接続する機器から引き出された
電源コードの一端に取り付けられた電源プラグを
電源コンセントに差し込で電源供給する機器に配
設される落雷保護回路において、上記通信回線は
上記電源プラグを経由して電源コードと共に上記
機器に接続される一方、上記通信回線用および電
源用の各落雷保護回路は上記電源プラグ内に配設
されていることを特徴とする落雷保護回路。 (4) 電源コンセントと通信回線に接続されてい
る接続器とが一定の個所に固定され、上記電源コ
ンセントから電源を取ると上記接続器を介して通
信回線を接続する機器の落雷保護回路において、
上記通信回線用および電源用の各落雷保護回路は
上記一定の個所に固定されていることを特徴とす
る落雷保護回路。[Scope of Claim for Utility Model Registration] (1) A lightning protection circuit installed between a communication line and the internal circuit of a device, which is equipped with a switch circuit that disconnects the communication line when the device is powered off. A lightning protection circuit characterized by: (2) In the case of a lightning protection circuit installed in a device that supplies power by inserting a power plug attached to one end of the power cord pulled out from the device into a power outlet, the lightning protection circuit is installed inside the above power plug. A lightning protection circuit characterized in that: (3) In a lightning protection circuit installed in a device that supplies power by inserting a power plug attached to one end of the power cord drawn out from the device connected to the communication line into a power outlet, the communication line is A lightning protection circuit is connected to the device together with a power cord via a plug, and the lightning protection circuits for the communication line and power supply are disposed within the power plug. (4) In a lightning protection circuit for equipment in which a power outlet and a connector connected to a communication line are fixed at a fixed location, and when power is taken from the power outlet, the communication line is connected via the connector.
A lightning protection circuit characterized in that each of the lightning protection circuits for the communication line and for the power supply is fixed at the fixed location.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9792489U JPH037620U (en) | 1989-02-13 | 1989-08-24 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1459389 | 1989-02-13 | ||
JP9792489U JPH037620U (en) | 1989-02-13 | 1989-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH037620U true JPH037620U (en) | 1991-01-24 |
Family
ID=31717295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9792489U Pending JPH037620U (en) | 1989-02-13 | 1989-08-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH037620U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4522703Y1 (en) * | 1967-01-27 | 1970-09-08 | ||
JP2002154125A (en) * | 2000-11-20 | 2002-05-28 | Kazuo Okamoto | Method for manufacturing heat insulation sheet and heat insulation sheet manufactured thereby |
JP2011067816A (en) * | 2010-11-19 | 2011-04-07 | Kazuo Okamoto | Method for manufacturing heat insulation sheet and heat insulation sheet manufactured thereby |
-
1989
- 1989-08-24 JP JP9792489U patent/JPH037620U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4522703Y1 (en) * | 1967-01-27 | 1970-09-08 | ||
JP2002154125A (en) * | 2000-11-20 | 2002-05-28 | Kazuo Okamoto | Method for manufacturing heat insulation sheet and heat insulation sheet manufactured thereby |
JP2011067816A (en) * | 2010-11-19 | 2011-04-07 | Kazuo Okamoto | Method for manufacturing heat insulation sheet and heat insulation sheet manufactured thereby |
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