CN101771241B - Method and device for protecting optical transceiver from destruction of thunder and surge pulse - Google Patents

Method and device for protecting optical transceiver from destruction of thunder and surge pulse Download PDF

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Publication number
CN101771241B
CN101771241B CN200810143507A CN200810143507A CN101771241B CN 101771241 B CN101771241 B CN 101771241B CN 200810143507 A CN200810143507 A CN 200810143507A CN 200810143507 A CN200810143507 A CN 200810143507A CN 101771241 B CN101771241 B CN 101771241B
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China
Prior art keywords
electrode
limit
shell
optical transceiver
central electrode
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Expired - Fee Related
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CN200810143507A
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CN101771241A (en
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陶勋业
陶敏
王江南
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Changsha Putian Tianlai Lightning Protection Technology Co Ltd
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Changsha Putian Tianlai Lightning Protection Technology Co Ltd
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Abstract

The invention provides a method and a device for protecting an optical transceiver from destruction of thunder and surge pulse. In the method, an optical cable protector is connected between the port of the optical transceiver and an optical cable reinforcing rib, and is provided with two lateral electrodes and a central electrode to control connection and disconnection of a surge circuit in working state of the optical cable protector. The optical cable protector comprises a cylindrical shell, and edge electrodes and a center electrode, wherein the edge electrodes and the center electrode are arranged on the shell; an end cover is arranged at the opening end of the shell; the end cover and the shell are in threaded connection; one edge electrode is arranged in the center of the end cover; in the inner cavity of the shell, the distance between the semispherical cambered surface of each edge electrode and the spherical cambered surface of the center electrode is between 0.2 and 1.5mm; and two flat washers, a spring washer and a nut are successively arranged on each edge electrode and the center electrode.

Description

A kind of method and device of protecting optical transceiver to exempt from thunder and lightning and surge pulse destruction
Technical field
The present invention relates to a kind of thunder resisting equipment technical field, specifically, relate to a kind of method and device of protecting the optical transceiver port to exempt from thunder and lightning and surge pulse destruction.
Background technology
Along with fast development economic and science and technology,, use communication data the quantity of optical transceiver also sharply to rise when transmitting, still; During annual thunderstorm season, all there are many optical transceiver interfaces to be broken, after the optical transceiver interface is broken; Communications equipment room (station) transfer of data breaks down, and causes the communication paralysis, and the loss that such situation is brought is self-evident; Especially be located in high mountain and outlying district; Communications equipment room (station) can not in time be fixed a breakdown again after breaking down, and when this brings economic loss, has also caused the resentment mood.See from the situation of present understanding; The main cause that the optical transceiver interface that communications equipment room (station) uses damages is: thunder and lightning and surge pulse that the optical cable reinforcement is outer with communications equipment room (station) are introduced indoor; The optical transceiver interface optical cable reinforcement that communications equipment room (station) uses is not all done correct protective treatment; Cause Communication ray terminal interface to be damaged, so the optical transceiver interface optical cable reinforcement that communications equipment room (station) is used applies the work that correct safeguard measure also is the task of top priority.
Summary of the invention
The objective of the invention is to the optical transceiver port that exists in the prior art easily by thunder and lightning this technical problem of breaking, and provide a kind of optical transceiver port of protecting to exempt from method and device that thunder and lightning and surge pulse destroy.
Technical scheme of the present invention is: a kind of method of protecting the optical transceiver port to exempt from thunder and lightning and surge pulse destruction; It is between optical transceiver port and optical cable reinforcement, to connect a cable protection device; The cable protection device is provided with two limit electrodes and a central electrode, under the control cable protection device operating state path in surge loop with open circuit.
During no surge, be to be rendered as open-circuit condition between two limit electrodes of cable protection device and the central electrode, do not disturb mutually each other.
When surge, surge comes to be rendered as short-circuit condition to the limit of correspondence electrode and central electrode, and the surge pulse of this moment is guided the earth into through central electrode, after surge pulse, reverts to open-circuit condition between two electrodes rapidly, waits for the arrival once more of surge pulse; And still be open-circuit condition between the limit electrode of the other end and the central electrode, thunder and lightning and the surge pulse of so just having avoided the optical cable reinforcement to introduce invade optical transceiver and optical transceiver port near zone, and optical transceiver and optical transceiver port are effectively protected.
The invention also discloses a kind of optical transceiver port of protecting and exempt from both cable protection devices of device that thunder and lightning and surge pulse destroy; It comprises the cylindrical housing of one one end opening, end sealing; The openend of shell is processed with one section internal thread; Bottom centre at shell is provided with a limit electrode mounting hole, is provided with a limit electrode in the electrode mounting hole of limit, and the end that limit electrode in the enclosure is installed is that semicircle is spherical; The limit electrode is fixed on the bottom of shell with nut, exposes on the limit electrode of shell and also is furnished with two plain washers, a spring washer and a nut successively.On the barrel of shell, be provided with a central electrode installing hole; Be provided with a central electrode in the central electrode hole; The end that central electrode in the enclosure is installed is a spheroidal; Central electrode is fixed on the barrel of shell with nut, exposes on the central electrode of shell and also is furnished with two plain washers, a spring washer and a nut successively.Openend at shell; Be provided with an end cap, end cap and shell adopt and are threaded, and are provided with a limit electrode mounting hole at the center of end cap; Be provided with a limit electrode in the electrode mounting hole of limit; The end that limit electrode in the enclosure is installed is that semicircle is spherical, and the limit electrode is fixed on the end cap with nut, exposes on the limit electrode of end cap and also is furnished with two plain washers, a spring washer and a nut successively.At the inner chamber of shell, the distance between the semicircle spherical arc of each limit electrode and the spheroidal cambered surface of central electrode is 0.2-1.5mm.
Shell and end cap adopt insulating material to process, and described insulating material can be ABS engineering plastics or nylon or polytetrafluoroethylene etc.
During use, a limit electrode of cable protection device is connected with the grounding ports of light end, and another limit electrode of cable protection device is connected central electrode ground connection with the optical cable reinforcement.
The present invention has following characteristics:
1, cable protection device provided by the invention is provided with two limit electrodes and a central electrode, under the control cable protection device operating state path in surge loop with open circuit.
2, cable protection device provided by the invention is to unattended operation base station optical transceiver and optical transceiver port thunder and lightning and the automatic control of surge pulse protection having carried out; Effectively solved the prior art defective; The protection process need not manual operation; Improve operating efficiency, guaranteed the continuity of optical transceiver operate as normal.
3, cable protection apparatus provided by the invention is simple in structure, and production cost is low.
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Description of drawings
Accompanying drawing is a cable protection device structural representation provided by the invention.
Embodiment
A kind of method of protecting the optical transceiver port to exempt from thunder and lightning and surge pulse destruction; It is between optical transceiver port and optical cable reinforcement, to connect a cable protection device; The cable protection device is provided with two limit electrodes and a central electrode, under the control cable protection device operating state path in surge loop with open circuit.
During no surge, be to be rendered as open-circuit condition between two limit electrodes of cable protection device and the central electrode, do not disturb mutually each other.
When surge, surge comes to be rendered as short-circuit condition to the limit of correspondence electrode and central electrode, and the surge pulse of this moment is guided the earth into through central electrode, after surge pulse, reverts to open-circuit condition between two electrodes rapidly, waits for the arrival once more of surge pulse; And still be open-circuit condition between the limit electrode of the other end and the central electrode, thunder and lightning and the surge pulse of so just having avoided the optical cable reinforcement to introduce invade optical transceiver and optical transceiver port near zone, and optical transceiver and optical transceiver port are effectively protected.
Shown in accompanying drawing: a kind of cable protection device; It comprises the cylindrical housing 1 of one one end opening, end sealing; The openend of shell 1 is processed with one section internal thread; Bottom centre at shell 1 is provided with a limit electrode mounting hole, is provided with a limit electrode 4 in the electrode mounting hole of limit, and an end that is installed in the limit electrode 4 in the shell 1 is that semicircle is spherical; Electrode 4 usefulness nuts 6 in limit are fixed on the bottom of shell 1, expose also be furnished with two plain washers 8 on the limit electrode 4 of shell 1 successively, a spring washer 9 and a nut 10.On the barrel of shell 1, be provided with a central electrode installing hole; Be provided with a central electrode 3 in the central electrode installing hole; An end that is installed in the central electrode 3 in the shell 1 is a spheroidal; Central electrode 3 usefulness nuts 14 are fixed on the barrel of shell 1, expose also be furnished with two plain washers 13 on the central electrode 3 of shell 1 successively, a spring washer 12 and a nut 11.Openend at shell; Be provided with an end cap 2, end cap 2 adopts with shell 1 and is threaded, and is provided with a limit electrode mounting hole at the center of end cap 2; Be provided with a limit electrode 5 in the electrode mounting hole of limit; An end that is installed in the limit electrode 5 in the shell 1 is that semicircle is spherical, and electrode 5 usefulness nuts 18 in limit are fixed on the end cap 2, expose also be furnished with two plain washers 17 on the limit electrode 5 of end cap 2 successively, a spring washer 16 and a nut 15.At the inner chamber of shell 1, the distance between the semicircle spherical arc of limit electrode 4 and the spheroidal cambered surface of central electrode 3 is 1mm, and the distance between the semicircle spherical arc of limit electrode 5 and the spheroidal cambered surface of central electrode 3 is 1mm.The axial line of limit electrode 4 and limit electrode 5 is with being on the axis, and the spheroidal central point is on the axial line of limit electrode 4 and limit electrode 5 on central electrode 3 electrodes.
Shell 1 adopts the ABS engineering plastics to process with end cap 2.

Claims (2)

1. protect the optical transceiver port to exempt from the method that thunder and lightning and surge pulse destroy for one kind; It is characterized in that: it is between optical transceiver port and optical cable reinforcement, to connect a cable protection device; The cable protection device is provided with two limit electrodes and a central electrode, the path in the surge loop under the control cable protection device operating state with open circuit;
During no surge, be to be rendered as open-circuit condition between two limit electrodes of cable protection device and the central electrode, do not disturb mutually each other;
When surge, surge comes to be rendered as short-circuit condition to the limit of correspondence electrode and central electrode, and the surge pulse of this moment is guided the earth into through central electrode, after surge pulse, reverts to open-circuit condition between two electrodes rapidly, waits for the arrival once more of surge pulse; And still be open-circuit condition between the limit electrode of the other end and the central electrode, thunder and lightning and the surge pulse of so just having avoided the optical cable reinforcement to introduce invade optical transceiver and optical transceiver port near zone, and optical transceiver and optical transceiver port are effectively protected;
The cable protection device that said method adopts comprises the cylindrical housing of one one end opening, end sealing; The openend of shell is processed with one section internal thread; Bottom centre at shell is provided with a limit electrode mounting hole, is provided with a limit electrode in the electrode mounting hole of limit, and the end that limit electrode in the enclosure is installed is that semicircle is spherical; The limit electrode is fixed on the bottom of shell with nut, exposes on the limit electrode of shell and also is furnished with two plain washers, a spring washer and a nut successively; On the barrel of shell, be provided with a central electrode installing hole; Be provided with a central electrode in the central electrode hole; The end that central electrode in the enclosure is installed is a spheroidal; Central electrode is fixed on the barrel of shell with nut, exposes on the central electrode of shell and also is furnished with two plain washers, a spring washer and a nut successively; Openend at shell; Be provided with an end cap, end cap and shell adopt and are threaded, and are provided with a limit electrode mounting hole at the center of end cap; Be provided with a limit electrode in the electrode mounting hole of limit; The end that limit electrode in the enclosure is installed is that semicircle is spherical, and the limit electrode is fixed on the end cap with nut, exposes on the limit electrode of end cap and also is furnished with two plain washers, a spring washer and a nut successively.
2. cable protection device as claimed in claim 1; It is characterized in that: at the inner chamber of shell; Distance between the semicircle spherical arc of each limit electrode and the spheroidal cambered surface of central electrode is 0.2-1.5mm; The axial line of two limit electrodes is with being on the axis, and the central point of spheroidal is on the axial line of limit electrode on the central electrode.
CN200810143507A 2008-11-06 2008-11-06 Method and device for protecting optical transceiver from destruction of thunder and surge pulse Expired - Fee Related CN101771241B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810143507A CN101771241B (en) 2008-11-06 2008-11-06 Method and device for protecting optical transceiver from destruction of thunder and surge pulse

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Application Number Priority Date Filing Date Title
CN200810143507A CN101771241B (en) 2008-11-06 2008-11-06 Method and device for protecting optical transceiver from destruction of thunder and surge pulse

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CN101771241A CN101771241A (en) 2010-07-07
CN101771241B true CN101771241B (en) 2012-08-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892648A (en) * 1996-08-05 1999-04-06 Siemens Aktiengesellschaft Gas-filled overvoltage arrester with electrode activation compound
US6430018B2 (en) * 2000-01-05 2002-08-06 Shinko Electric Industries Co., Ltd. Three-electrode-discharge surge arrester
CN1407680A (en) * 2001-09-06 2003-04-02 株式会社Ntt都科摩九州 Surge protective system for communication line
CN1773804A (en) * 2005-10-25 2006-05-17 广东省佛山科星电子有限公司 Surge protector module containing voltage-dependent resistor disc

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892648A (en) * 1996-08-05 1999-04-06 Siemens Aktiengesellschaft Gas-filled overvoltage arrester with electrode activation compound
US6430018B2 (en) * 2000-01-05 2002-08-06 Shinko Electric Industries Co., Ltd. Three-electrode-discharge surge arrester
CN1407680A (en) * 2001-09-06 2003-04-02 株式会社Ntt都科摩九州 Surge protective system for communication line
CN1773804A (en) * 2005-10-25 2006-05-17 广东省佛山科星电子有限公司 Surge protector module containing voltage-dependent resistor disc

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