CN204857984U - Outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat - Google Patents
Outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat Download PDFInfo
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- CN204857984U CN204857984U CN201520485650.XU CN201520485650U CN204857984U CN 204857984 U CN204857984 U CN 204857984U CN 201520485650 U CN201520485650 U CN 201520485650U CN 204857984 U CN204857984 U CN 204857984U
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Abstract
The utility model discloses an outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat, insert the pole including rectangle closed loop metal grounding body, the perpendicular metal grounding body of complex root, 4 radiation metal grounding bodies and complex root earth mat, rectangle closed loop metal grounding body includes inner ring grounding body, zhonghuan grounding body and outer loop grounding body, joint ring terrain outside including the zhonghuan grounding body cover, and outer loop grounding body cover is in zhonghuan grounding body outside, the upper end of perpendicular metal grounding body is connected with the inner ring grounding body, and the inner of radiation metal grounding body is located the inboard of inner ring grounding body, and the outer end extends to the outside of outer loop grounding body, radiation metal grounding body is connected with inner ring grounding body, zhonghuan grounding body and outer loop grounding body respectively from introversive outer. The utility model discloses can be effectively current potential balancedly, reduce the potential difference, the lightning current direct entry that produces outdoor light handing -over equipment (or optical transmission route) when suffering thunderbolt or lightning induction releases to reach the mesh of its equipment of protection.
Description
[technical field]
The utility model relates to communication engineering construction, particularly relates to the earth mat of the wireless remote TD-LTE network outdoor optical handing-over equipment lightning protection grounding system under a kind of high soil resistivity environment.
[background technology]
The degree of depth along with wireless TD-LTE network size covers and the increasing of LTE base station access bandwidth and the unified realization accessed of many scenes, make Optical Fiber Transmission resource more nervous, particularly the upgrading of wireless remote TD-LTE network and transformation, more urgent to the demand of Optical Fiber Transmission resource.In order to solve the nervous problem of Optical Fiber Transmission resource, not exclusively depending on base station as Optical Fiber Transmission distribution node, needing Optical cross connects equipment outside far-end optical transport crosses close quarters installation room, make it more reliably, neatly distribute optical transport resource.
The application of far-end TD-LTE network outdoor optical handing-over equipment, its equipment of inevitable requirement wants the geological environment, particularly high soil resistivity that can adapt to various complexity, and this just proposes new challenge to its lightning protection performance.
Traditionally construction scheme, when the outer Optical cross connects equipment of high soil resistivity (more than 500 ohm meters) regional installation room, the lightning current produced to prevent thunder and lightning is to its destruction, be using the size of the earth resistance of earth mat as evaluation criterion, then this just must reduce its earth resistance and reach construction specification requirement.At present often to adopt: chemical resistance-reducing agent method or artificial metal's earth rod method or charcoal reaches the object of falling resistance with methods such as salt, although these methods can play the effect of falling resistance, it also possesses simultaneously: poor in timeliness, and service time is short; Poor stability, earth resistance changed along with time and environment; Frequency of maintenance is high, and maintenance difficulties is large; The feature of environmental protection is poor, pollutes surrounding soil; Corrosivity is strong, very easily corrodes whole earth mat; In addition, also have build and maintenance cost high, the features such as transport is inconvenient.
To be the disclosure of the invention of CN201210231216.X a kind of when utilizing thunderbolt that earth mat effective rate of utilization reduces the method for designing of base station the ground network area for application number, when the earth soil resistivity is less than 1000 Ω .m, endless metal earth electrode is buried underground around base station outer rim, depth of burying 0.5-1 rice, the power frequency grounding resistance value of endless metal earth electrode is less than 10 Ω; When the earth soil resistivity is greater than 1000 Ω .m, specific environment residing for base station, select one of following two kinds of methods: one, bury the rectangle closed loop metallic ground body of 20 meters × 20 meters around base station underground, bury vertical metal earth electrode along rectangle closed loop metallic ground body downwards underground at interval of 5 meters; Two, bury the rectangle closed loop metallic ground body of 10 meters × 10 meters around base station underground, bury vertical metal earth electrode along rectangle closed loop metallic ground body downwards underground at interval of 5 meters, bury radiation metal earth electrode underground in rectangle closed loop metallic ground body corner.This invention substantially reduces the ground network area meeting under base station lightning protection demand prerequisite, but cannot meet the requirement of the design of the Optical cross connects equipment beyond base station.
[summary of the invention]
The technical problems to be solved in the utility model be to provide one can effectively to prevent under high soil resistivity environment outdoor optical handing-over equipment (or optical transport route) in wireless remote TD-LTE network because of be struck by lightning directly or indirectly or lightning induction time the earth mat of lightning protection grounding system.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of earth mat of TD-LTE network outdoor optical handing-over equipment lightning protection grounding system, comprise rectangle closed loop metallic ground body, complex root vertical metal earth electrode, 4 radiation metal earth electrodes and complex root earth mat access bar, rectangle closed loop metallic ground body comprises inner ring earth electrode, middle articulating terrain and outer shroud earth electrode, middle articulating terrain is enclosed within outside inner ring earth electrode, and outer shroud earth electrode is enclosed within outside middle articulating terrain; The upper end of vertical metal earth electrode is connected with inner ring earth electrode, and the inner of radiation metal earth electrode is positioned at the inner side of inner ring earth electrode, and outer end extends to the outside of outer shroud earth electrode; Radiation metal earth electrode is from inside to outside connected with inner ring earth electrode, middle articulating terrain and outer shroud earth electrode respectively.
Above-described earth mat, the inner of 4 radiation metal earth electrodes interconnects.
Above-described earth mat, the quantity of vertical metal earth electrode is 4, and 4 vertical metal earth electrodes are arranged on 4 angles of inner ring earth electrode.
Above-described earth mat, the lower end of complex root earth mat access bar connects from different radiation metal earth electrodes respectively, and tie point is near the inner of radiation metal earth electrode.
Above-described earth mat, vertical metal earth electrode is hot galvanized steel pipe, and earth mat access bar is Hot-dip zinc-coated flat steel sheet; Inner ring earth electrode, middle articulating terrain, outer shroud earth electrode and radiation metal earth electrode are made up of the Hot-dip zinc-coated flat steel sheet keeping flat.
Above-described earth mat, tie point is welding, tie point covering asphalt corrosion resistant layer.
The earth mat of the utility model TD-LTE network outdoor optical handing-over equipment lightning protection grounding system can balancedly current potential effectively; reduce potential difference; outdoor optical is joined equipment (or optical transport route) be struck by lightning directly or indirectly or lightning induction time the lightning current that produces directly introduce and discharge, thus make outdoor optical join equipment to be protected.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the cutaway view that the earth mat of the utility model embodiment TD-LTE network outdoor optical handing-over equipment lightning protection grounding system is installed.
Fig. 2 is the stereogram that the earth mat of the utility model embodiment TD-LTE network outdoor optical handing-over equipment lightning protection grounding system is installed.
Fig. 3 is the vertical view that the earth mat of the utility model embodiment TD-LTE network outdoor optical handing-over equipment lightning protection grounding system is installed.
[embodiment]
The ground web frame of the utility model embodiment TD-LTE network outdoor optical handing-over equipment lightning protection grounding system as shown in Figure 1 to Figure 3, is arranged on the below of ground unit 2 below Optical cross connects equipment 1.Optical cross connects equipment 1 is arranged on the ground of ring radiation formula earth mat middle, and earth mat is embedded to the subsurface of Optical cross connects equipment 1.
Earth mat accesses bar 19 and 20 by rectangle closed loop metallic ground body, 4 vertical metal earth electrodes, 21,4 radiation metal earth electrodes 25 and two earth mats and forms.
Rectangle closed loop metallic ground body has three square concentric rings, comprise the inner ring earth electrode 22 of horizontal arrangement, middle articulating terrain 23 and outer shroud earth electrode 24, middle articulating terrain 23 is enclosed within outside inner ring earth electrode 22, and outer shroud earth electrode 24 is enclosed within outside middle articulating terrain 23.
4 vertical metal earth electrodes 21 are vertically driven underground, and be arranged on 4 angles of inner ring earth electrode 22, upper end is reliably connected with inner ring earth electrode 22.
The inner of radiation metal earth electrode 25 is positioned at the inner side of inner ring earth electrode 22, and outer end extends to the outside of outer shroud earth electrode 24.Radiation metal earth electrode 25 is from inside to outside connected with inner ring earth electrode 22, middle articulating terrain 23 and outer shroud earth electrode 24 respectively.The inner of 4 radiation metal earth electrodes 25 interconnects.Three square concentric rings are centered by the tie point of 4 radiation metal earth electrodes.
4 vertical metal earth electrodes 21 are hot galvanized steel pipe, and earth mat access bar 19 and 20 is Hot-dip zinc-coated flat steel sheet.Inner ring earth electrode 22, middle articulating terrain 23, outer shroud earth electrode 24 and radiation metal earth electrode 25 are made up of the Hot-dip zinc-coated flat steel sheet keeping flat.
The above-mentioned whole tie points of earth mat are pad, and pad covers asphalt corrosion resistant layer.
The radiation metal earth electrode 25 that earth mat accesses bar 19 different from two respectively with the lower end of 20 is connected, and tie point is near the inner of radiation metal earth electrode.The top of earth mat access bar 19 and 20 is connected to ground unit 2 by Connect the Ground Leads into the Line 12 and 16.
The above embodiment of the utility model can balancedly current potential; reduce potential difference; the size of ground resistance under high soil resistivity environment need not be considered; outdoor optical is joined equipment (or optical transport route) be struck by lightning directly or indirectly or lightning induction time the lightning current that produces directly introduce and discharge, thus make outdoor optical join equipment to be protected.
Claims (6)
1. the earth mat of a TD-LTE network outdoor optical handing-over equipment lightning protection grounding system, comprise rectangle closed loop metallic ground body, complex root vertical metal earth electrode, 4 radiation metal earth electrodes and complex root earth mat access bar, it is characterized in that, rectangle closed loop metallic ground body comprises inner ring earth electrode, middle articulating terrain and outer shroud earth electrode, middle articulating terrain is enclosed within outside inner ring earth electrode, and outer shroud earth electrode is enclosed within outside middle articulating terrain; The upper end of vertical metal earth electrode is connected with inner ring earth electrode, and the inner of radiation metal earth electrode is positioned at the inner side of inner ring earth electrode, and outer end extends to the outside of outer shroud earth electrode; Radiation metal earth electrode is from inside to outside connected with inner ring earth electrode, middle articulating terrain and outer shroud earth electrode respectively.
2. earth mat according to claim 1, is characterized in that, the inner of 4 radiation metal earth electrodes interconnects.
3. earth mat according to claim 1, is characterized in that, the quantity of vertical metal earth electrode is 4, and 4 vertical metal earth electrodes are arranged on 4 angles of inner ring earth electrode.
4. earth mat according to claim 2, is characterized in that, the lower end of complex root earth mat access bar connects from different radiation metal earth electrodes respectively, and tie point is near the inner of radiation metal earth electrode.
5. earth mat according to claim 4, is characterized in that, vertical metal earth electrode is hot galvanized steel pipe, and earth mat access bar is Hot-dip zinc-coated flat steel sheet; Inner ring earth electrode, middle articulating terrain, outer shroud earth electrode and radiation metal earth electrode are made up of the Hot-dip zinc-coated flat steel sheet keeping flat.
6. earth mat according to claim 4, is characterized in that, tie point is welding, tie point covering asphalt corrosion resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485650.XU CN204857984U (en) | 2015-07-07 | 2015-07-07 | Outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485650.XU CN204857984U (en) | 2015-07-07 | 2015-07-07 | Outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat |
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| Publication Number | Publication Date |
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| CN204857984U true CN204857984U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520485650.XU Active CN204857984U (en) | 2015-07-07 | 2015-07-07 | Outdoor light of TD -LTE network hands over equipment lightning protection ground system's earth mat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410442A (en) * | 2016-11-21 | 2017-02-15 | 武汉强宝科技有限公司 | Four-plus-one surge absorbing type grounding device |
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2015
- 2015-07-07 CN CN201520485650.XU patent/CN204857984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410442A (en) * | 2016-11-21 | 2017-02-15 | 武汉强宝科技有限公司 | Four-plus-one surge absorbing type grounding device |
| CN106410442B (en) * | 2016-11-21 | 2018-07-10 | 武汉强宝科技有限公司 | 4+1 sudden-wave absorbing formula earthing or grounding means |
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