CN102074945A - Surge protective device for communication cabinet - Google Patents
Surge protective device for communication cabinet Download PDFInfo
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- CN102074945A CN102074945A CN 201010276255 CN201010276255A CN102074945A CN 102074945 A CN102074945 A CN 102074945A CN 201010276255 CN201010276255 CN 201010276255 CN 201010276255 A CN201010276255 A CN 201010276255A CN 102074945 A CN102074945 A CN 102074945A
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- protection module
- surge protection
- contact
- housing
- module
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 title abstract 13
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 description 10
- 239000012943 hotmelt Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a surge protective device for a communication cabinet, comprising a shell, a surge protective module and a standby protective module fixedly arranged in the shell; the surge protective module is fixedly arranged in the shell through moving contacts and fixed contacts, the moving contacts are respectively fixed at an incoming line end and an outgoing line end of the surge protective module, the fixed contacts are respectively fixed on an incoming line column and an outgoing line column of the shell, and the moving contacts are respectively matched with the corresponding fixed contacts; and a module auto-switching device is arranged between the surge protective module and the standby protective module and comprises a control contact and an elastic device. The surge protective device provided by the invention realizes the switching between the surge protective module and the standby protective module through a mechanical structure, thereby protecting a communication device and preventing the communication device from being damaged; the safety of the communication cabinet is greatly increased; and due to the realization of the switching between the surge protective module and the standby protective module through the mechanical structure, the advantages of simpler structure, low cost and operation reliability are achieved.
Description
Technical field
The present invention relates to a kind of surge protection device, particularly a kind of distribution system circuit and standby protection module self-coming type surge protection device of communication system data transmission line employing of being used for.
Technical background
Surge protector is that the instantaneous overvoltage of scurrying into power line, signal transmssion line is limited in the voltage range that equipment or system can bear, or powerful lightning current is let out the inflow place, the device that system is protected.Traditional surge protector; inside has only a surge protection module; in use; when the surge protection module damage or after wearing out; as untimely replacing surge protection module; to make distribution line or communication data circuit be in no surge protection state, cause potential harm to equipment and personal safety.As: all be contained in power distribution cabinet inside the surge protector of distribution system; cabinet need be opened and the operating state of surge protector could be found behind the door; when the surge protector body damages fault before the surge protection module that more renews again; the protection loop all is in off-state, and circuit is in the unprotect state.
In the communications industry 3G engineering; electric power loop and signal data loop in a large amount of outdoor communication cabinets are all protected by surge protection device; because this communication cabinet infield all relatively disperses; the attendant is difficult in time watch the state of surge protector; and the service behaviour of surge protector is mainly pointed out by the change color of panel visual window; show normal operating conditions; these three kinds of reserve operating state and malfunctions; and the function that does not have audio communication to report to the police; this warning by display panel ignored by administrative staff easily; thereby, communication equipment is damaged.
In order to solve the problems of the technologies described above, Chinese patent literature discloses a kind of surge protection device, the patent No. is " ZL200720121141.4 ", patent name is " an overvoltage auto switching electric source surge protector ", this surge protector comprises control circuit module, first over-voltage protection module, at least one second over-voltage protection module, described first, second over-voltage protection module connects by switch, after one group of over-voltage protection module breaks down, automatically switch to standby over-voltage protection module, by the switching between two groups of over-voltage protection modules, equipment is played the better protection effect; But the surge protector cost of this structure is higher, and realizes the switching of first, second over-voltage protection module by switch, and processing ease lost efficacy.
The content of invention
Technical problem to be solved by this invention is; a kind of communication cabinet surge protection device is provided; the surge protection device of this structure is by the automatic switchover between surge protection module and the stand-by protection module; equipment is carried out better protection; improved the fail safe of communication cabinet greatly, and this surge protection device is simple in structure, with low cost.
In order to solve the problems of the technologies described above, a kind of communication cabinet surge protection device of the present invention, the stand-by protection module, the described surge protection module that comprise housing, surge protection module and be fixedly installed in the described housing are fixedly installed in the described housing by moving contact and fixed contact, described moving contact is separately fixed at the end of incoming cables and the leading-out terminal of described surge protection module, described fixed contact is separately fixed on the inlet wire post and outlet column of described housing, and described moving contact matches with corresponding described fixed contact respectively; Be provided with the module automatic bus between described surge protection module and the described stand-by protection module, described module automatic bus comprises control contact, elastic device, described elastic device comprises push rod, power spring, described push rod one end withstands on the bottom surface of housing, the other end withstands on the described surge protection module, and described power spring is enclosed within on the described push rod; The orthogonal one that is fixed into of described control contact and described push rod, described power spring one end withstands on the described control contact, and the other end withstands on the bottom surface of housing; Described surge protection module is provided with at least one compression spring, and described compression spring and described push rod be arranged in parallel, and described compression both ends of the spring withstands on respectively on the cross bar of described surge protection module and described housing.During operate as normal, after the connection of surge protection module puts in place, compress compression spring and push rod, carry out energy storage, and the contact of control contact and stand-by protection module and the outlet column of housing are disconnected, make the stand-by protection module be in off-state by the surge protection module; When the surge protection module breaks down, surge protection module moving contact and fixed contact contact-making surface melt, and the compression spring releases energy the surge protection module is ejected, after the surge protection module is ejected, push rod loses resistance, under the elastic force effect of power spring, the control contact is upspring, and the control contact is engaged with the contact of stand-by protection module and the contact of outlet column, the stand-by protection device is inserted rapidly, thereby, communication equipment is protected, prevent that communication equipment is damaged; Improved the fail safe of communication cabinet greatly; And realize the conversion of surge protection module and stand-by protection module by mechanical structure, relatively simple for structure, with low cost and operation is reliable.
Above-mentioned a kind of communication cabinet surge protection device, wherein, described moving contact is split type member, described moving contact is made up of horizontal edge and vertical edge, the L-shaped one that is fixed into of described horizontal edge and described vertical edge, described horizontal edge is made by high hot melt material; Described fixed contact is the multi-groove type member, and the side of described fixed contact is provided with jack, and the periphery of described jack is provided with a rotating sheet; During connection, the horizontal edge of described moving contact hooks in the described jack, and with the pressing mutually of described rotating sheet.Because described moving contact horizontal edge made by high hot melt material, can under the rush of current situation of number of times and specific size that is subjected to necessarily being struck by lightning, melt, the surge protection module is ejected easily, and when changing as long as the surge protection module is inserted, change conveniently; The rotating sheet that forms by punching press is guaranteed the contact-making surface of dynamic and static contact in addition, make the surge protection module be connected into and out of terminal more reliable.
Above-mentioned a kind of communication cabinet stand-by protection module surge protection device; wherein; also comprise a sound and light alarm loop; described sound and light alarm loop is provided with in the described housing; described sound and light alarm loop is in series by power supply, normally closed position switch, connector and audible-visual annunciator, and described control contact is pressed on the described position switch.In the present invention, also install the sound and light alarm loop additional; when the surge protection module breaks down; when the surge protection module is ejected housing; the position switch in sound and light alarm loop was connected, and made audible-visual annunciator work, made that administrative staff are easier to pinpoint the problems; can in time keep in repair; thereby, greatly facilitate the maintenance of communication equipment, avoid taking place heavy losses.
Description of drawings
Fig. 1 is a structural representation of the present invention
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in the figure; in order to solve the problems of the technologies described above; the present invention includes housing 1; surge protection module 2 and be fixedly installed on stand-by protection module 3 in the described housing 1; described surge protection module 2 is fixedly installed in the described housing 1 by moving contact 11 and fixed contact 12; described moving contact 11 is connected the end of incoming cables and the leading-out terminal of described surge protection module 2 respectively by screw; moving contact 11 is L shaped member; the integrated member that movable contact 11 can hot melt material be made; also split member, the horizontal edge of making by vertical edge 111 and hot melt material that the high conductivity cathode copper is made 112 adopts the form of rivets to be formed by connecting.Described fixed contact 12 links to each other with outlet column with the inlet wire post that forms the galvanic circle in the electrolysis copper bar that adopts high conductivity is embedded in the inside draw-in groove of described housing 1 respectively, and the corresponding respectively described fixed contact 12 of described moving contact 11 matches; Be provided with module automatic bus 4 between described surge protection module 2 and the described stand-by protection module 3, described module automatic bus 4 comprises control contact 41, the elastic device 42 that is used to connect stand-by protection module 4, described elastic device 42 comprises push rod 421, power spring 422, described push rod 421 is made for insulating material, one end withstands on the bottom surface of housing 1, the other end withstands on the described surge protection module 2, and described power spring 422 is enclosed within on the described push rod 421; Described control contact 41 installs Spring Card or the orthogonal integral body of the fixing formation of other forms with described push rod 421 additional by the upper and lower surface at control contact 41, described power spring 422 1 ends withstand on described control contact 41 below, the other end just in time arrives the bottom of housing 1 after protection module 2 clampings put in place; Be provided with compression spring 5 below the described surge protection module 2; Described compression spring 5 be arranged in parallel with described push rod 421; described compression spring 5 two ends withstand on respectively on the cross bar 10 of the bottom surface of described surge protection module 2 and described housing 1; compression spring 5 quantity are unrestricted; can be one, two, also can be a plurality ofly, design according to specific requirement; housing 1 is that an insulating material processes; the upper end of housing 1 is provided with an opening, after 2 connections of surge protection module put in place, and 5 energy storage of extruding compression spring.When surge protection module 2 broke down, the moving contact 11 of surge protection module 2 melted with fixed contact 12 contact-making surfaces, and compression spring 5 releases energy surge protection module 2 is ejected; After surge protection module 2 was ejected, push rod 421 lost resistance, under the effect of power spring 422, standby surge protection module 3 is inserted rapidly; Thereby, equipment to be protected, the equipment that prevents suffers superpotential invasion and attack and is damaged in situation about damaging at protection module 2; Improved the fail safe of communication cabinet greatly; And realize the conversion of surge protection module 2 and stand-by protection module 3 by mechanical structure, relatively simple for structure, with low cost and operation is reliable.
In order to guarantee the bonding strength of surge protection module and housing, preferably described moving contact 11 is designed to split type member, described moving contact 11 is made up of horizontal edge 111 and vertical edge 112, described horizontal edge 111 and the described vertical edge 112 L-shaped one that are fixed into, fix and can adopt riveted joint, welding or other modes, described horizontal edge 111 is made by high hot melt material; Described fixed contact 12 is the multi-groove type member, and fixed contact 12 is for elastomeric material processes, and the side 121 of described fixed contact 12 is provided with jack 122, and the periphery of described jack 122 is provided with a rotating sheet 123; During connection, the horizontal edge 111 of described moving contact hooks in the described jack 122, and with the pressing mutually of described rotating sheet 123.Because described moving contact horizontal edge 111 made by high hot melt material, can under the rush of current situation of number of times and specific size that is subjected to necessarily being struck by lightning, melt, the surge protection module is ejected easily, and when changing as long as surge protection module 2 is inserted, change conveniently; The rotating sheet 123 that forms by punching press is guaranteed the contact-making surface of dynamic and static contact 11,12 in addition, makes surge protection module 2 more reliable with being connected of housing 1.
In order better to remind administrative staff that communication equipment is keeped in repair; can in housing 1, be provided with a sound and light alarm loop 6; described sound and light alarm loop 6 is in series as power supply 61, normally closed position switch 62, connector 63 and audible-visual annunciator 64 by the zinc oxide button cell; described control contact 41 is pressed on the described normally closed position switch, makes normally closed position switch 62 be in off-state when protection module 2 normal clampings put in place.Owing to also install the sound and light alarm loop additional in the present invention; when the surge protection module breaks down; when surge protection module 2 ejects housing; the normally closed position switch 62 in sound and light alarm loop 6 is connected, and makes audible-visual annunciator 64 work, makes that administrative staff are easier to pinpoint the problems; can in time keep in repair; thereby, greatly facilitate the maintenance of communication equipment, avoid taking place heavy losses.
Operation principle of the present invention: during operate as normal, after 2 connections of surge protection module put in place, compress compression spring 5 and push rod 421 by surge protection module 2, carry out energy storage, and the control contact 41 and the outlet column of stand-by protection module 3 and housing 1 are disconnected, make stand-by protection module 3 be in off-state, control contact 41 compresses normally closed position switch 62, makes sound and light alarm loop 6 be in off-state; When surge protection module 2 breaks down; the moving contact 11 of surge protection module 2 melts with fixed contact 12 contact-making surfaces; compression spring 5 releases energy surge protection module 2 is ejected; after surge protection module 2 is ejected; push rod 421 loses resistance; under the elastic force effect of power spring 422; control contact 41 is upspring; control contact 41 is engaged with the contact of stand-by protection module 3 and the outlet column of housing 1; stand-by protection module 3 is inserted rapidly, and simultaneously, normally closed position switch 62 is closure owing to control unclamping of contact 41; sound and light alarm loop 6 is connected, audible-visual annunciator 64 prompting of sounding.
In sum; the present invention is by the automatic switchover between surge protection module and the stand-by protection module; equipment is carried out better protection; also install audible-visual annunciator simultaneously additional; in time remind administrative staff to keep in repair; improved the fail safe of communication cabinet greatly, and this surge protection device is simple in structure, with low cost.
Here description of the invention and application is illustrative, is not to want that therefore, the present invention is not subjected to the restriction of present embodiment with scope restriction of the present invention in the above-described embodiments, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (3)
1. communication cabinet surge protection device, the stand-by protection module, the described surge protection module that comprise housing, surge protection module and be fixedly installed in the described housing are fixedly installed in the described housing by moving contact and fixed contact, described moving contact is separately positioned on the end of incoming cables and the leading-out terminal of described surge protection module, described fixed contact is separately fixed at inlet wire post and the outlet column on the described housing, and described moving contact matches with corresponding described fixed contact respectively; It is characterized in that, be provided with the module automatic bus between described surge protection module and the described stand-by protection module, described module automatic bus comprises control contact, elastic device, described elastic device comprises push rod, power spring, described push rod one end withstands on the bottom surface of housing, the other end withstands on the described surge protection module, and described power spring is enclosed within on the described push rod; The orthogonal one that is fixed into of described control contact and described push rod, described power spring one end withstands on the described control contact, and the other end withstands on the bottom surface of housing; Described surge protection module is provided with at least one compression spring, and described compression spring and described push rod be arranged in parallel, and described compression both ends of the spring withstands on respectively on the cross bar of described surge protection module and described housing.
2. a kind of according to claim 1 communication cabinet surge protection device is characterized in that described moving contact is split type member, and described moving contact is made up of horizontal edge and vertical edge, the L-shaped one that is fixed into of described horizontal edge and described vertical edge; Described fixed contact is the multi-groove type member, and the side of described fixed contact is provided with jack, and the periphery of described jack is provided with a rotating sheet; During connection, the horizontal edge of described moving contact hooks in the described jack, and with the pressing mutually of described rotating sheet.
3. a kind of as claimed in claim 1 or 2 communication cabinet stand-by protection module surge protection device; it is characterized in that; also comprise a sound and light alarm loop; described sound and light alarm loop is arranged in the described housing; described sound and light alarm loop is in series by power supply, normally closed position switch, connector and audible-visual annunciator, and described control contact is pressed on the described position switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102762552A CN102074945B (en) | 2010-09-09 | 2010-09-09 | Surge protective device for communication cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102762552A CN102074945B (en) | 2010-09-09 | 2010-09-09 | Surge protective device for communication cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102074945A true CN102074945A (en) | 2011-05-25 |
| CN102074945B CN102074945B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102762552A Active CN102074945B (en) | 2010-09-09 | 2010-09-09 | Surge protective device for communication cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN102074945B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709836A (en) * | 2018-10-29 | 2019-05-03 | 上海大学 | A kind of intelligent lightning monitoring system based on NB-IOT |
| CN114597850A (en) * | 2022-03-24 | 2022-06-07 | 广东电力通信科技有限公司 | Signal overvoltage protection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320658A (en) * | 2008-06-25 | 2008-12-10 | 上海电器科学研究所（集团）有限公司 | Surge protector with backup protection |
| WO2010020452A1 (en) * | 2008-08-22 | 2010-02-25 | Dehn + Söhne Gmbh + Co. Kg | Surge protector having a thermal separating device |
| CN202004448U (en) * | 2010-09-09 | 2011-10-05 | 江苏香江科技股份有限公司 | Surge protection device for communication cabinet |
-
2010
- 2010-09-09 CN CN2010102762552A patent/CN102074945B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320658A (en) * | 2008-06-25 | 2008-12-10 | 上海电器科学研究所（集团）有限公司 | Surge protector with backup protection |
| WO2010020452A1 (en) * | 2008-08-22 | 2010-02-25 | Dehn + Söhne Gmbh + Co. Kg | Surge protector having a thermal separating device |
| CN202004448U (en) * | 2010-09-09 | 2011-10-05 | 江苏香江科技股份有限公司 | Surge protection device for communication cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709836A (en) * | 2018-10-29 | 2019-05-03 | 上海大学 | A kind of intelligent lightning monitoring system based on NB-IOT |
| CN114597850A (en) * | 2022-03-24 | 2022-06-07 | 广东电力通信科技有限公司 | Signal overvoltage protection device |
| CN114597850B (en) * | 2022-03-24 | 2024-04-05 | 广东电力通信科技有限公司 | Signal overvoltage protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102074945B (en) | 2012-08-15 |
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Address after: 212200 Jiangsu city of Zhenjiang province Yangzhong Chunliu Road No. 666 Patentee after: XIANGJIANG TECHNOLOGY Co.,Ltd. Address before: 212215 Yangzhong City, Jiangsu Province, Xinlong Development Zone 580 mailbox Patentee before: Jiangsu Xiangjiang Science and Technology Co.,Ltd. |
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Address after: 212200 No. 666, Chun Liu Bei Road, Yangzhong City, Zhenjiang, Jiangsu. Patentee after: Xiangjiang Technology (Group) Co.,Ltd. Country or region after: China Address before: 212200 No. 666, Chun Liu Bei Road, Yangzhong City, Zhenjiang, Jiangsu. Patentee before: XIANGJIANG TECHNOLOGY Co.,Ltd. Country or region before: China |