CN105375126B - The lightning protection earthing system of communication base station - Google Patents
The lightning protection earthing system of communication base station Download PDFInfo
- Publication number
- CN105375126B CN105375126B CN201510847618.6A CN201510847618A CN105375126B CN 105375126 B CN105375126 B CN 105375126B CN 201510847618 A CN201510847618 A CN 201510847618A CN 105375126 B CN105375126 B CN 105375126B
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- Prior art keywords
- lightning
- tower mast
- base station
- communication base
- inspection platform
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention relates to a kind of lightning protection earthing system of communication base station, including lightning rod, down conductor, grounding body and be used to support lightning rod and communication base station computer room tower mast；The tower mast and the inspection platform being fixed on the tower mast are made of the polyurethane material added with fiber；The lightning rod is installed at the top of the tower mast, and bottom of the down conductor through the lightning rod passes through the center of the tower mast, and is connect with the grounding body for being embedded in below ground.The lightning protection earthing system of the communication base station of the present invention can effectively resist direct thunder and inductive lightning, and lightning protection effect is good.
Description
Technical field
The present invention relates to communication base station systems, more specifically to a kind of lightning protection earthing system of communication base station.
Background technology
In the prior art, it has been minimized with the fast development telecommunication apparatus of electronic technology, generally use large-scale integrated
Circuit.Its supply voltage drops to several volts by more than ten volts, and the information current of transmission has milliampere grade to drop to microampere order, this makes number
The resistance to thunder level of communication equipment substantially reduces, more sensitive to extraneous interference.Communication base station belongs to horizon communication simultaneously, leads to
Letter must be all mounted on the very high hilltop.In general, the primary communication device of communication base station, especially antenna equipment,
From the environment in very severe in terms of lightning protection angle, the chance being struck by lightning is more.Therefore, how to examine comprehensively to adaptation to local conditions
The lightning protection anti-interference problem for considering communication base station microelectronic device, be when solving communication base station design and operation face one it is important
Problem.
The invasion mode of influence and damage to crops caused by thunder of the researcher to thunder and lightning to microelectronic device has carried out a large amount of research work.
Specifically, thunder and lightning can be divided into pollution, interference and harm to the influence degree of microelectronic device, and the main path packet of damage to crops caused by thunder invasion
It includes：Lightning surge when lightning stroke microwave antenna steel tower, the direct attack lightning overvoltage on the overhead transmission line of microwave station power supply and induction
Overvoltage.In addition, the strong magnetic field that lightning stroke microwave station steel tower or microwave station generate when nearby thunder and lightning flows into ground around, will jeopardize
Microelectronic device in computer room.According to operating experience, using effectively anti-direct thunder system and by " shunting -- presses -- shielding --
When the systematic protection that ground connection -- interface protection " is combined, damage to crops caused by thunder can be effectively prevented.
Although existing communication base station lightning protection earthing system has been gradually improved, however, these lightning protection earthing systems are still
It has the following defects and insufficient.
1) support tower mast generally has single-pipe tower, three towers or angle steel tower, height generally all to exist in the station of communication base station
Within 50 meters, the height of 2~4m of lightning rod is added, it is easy to be struck by lightning.In this case, which is both lightning-arrest
Device is also thunder carrying-off device.
2) after lightning rod is struck by lightning, huge lightning current by generating very high potential drop on grounding body earth impedance,
So as to cause flashover.
3) protected object in lightning rod protection scope will not generally be recruited and is struck by lightning.But due to being supported in thunderbolt station
Object tower mast is made of metal, itself is an extraordinary natural grounding substance, when be struck by lightning bar top when waveguide or cable
Diverting coefficient be respectively 0.1136 and 0.085, to there is 10% or so dash current to be flowed into computer room by waveguide.
4) it is usually additionally provided with inspection platform on tower mast, transmission has been carried additionally on the outer rim railing of inspection platform and sends day
Line；In lightning stroke, the atmospheric over-voltage gap between tower mast made of waveguide or the metal outer and metal of cable or electric wire
It is smaller.
Invention content
The technical problem to be solved in the present invention is, for the above problem in the prior art, proposes a kind of communication base station
Lightning protection earthing system.
Solving the technical solution of the technical problem of the present invention is：A kind of lightning protection earthing system of communication base station is provided, including
Lightning rod, down conductor, grounding body and be used to support lightning rod and communication base station computer room tower mast；The tower mast and
The inspection platform being fixed on the tower mast is made of the polyurethane material added with fiber；The lightning rod is installed on described
At the top of tower mast, bottom of the down conductor through the lightning rod passes through the center of the tower mast, and be embedded in subsurface
The grounding body connection of side.
In one embodiment, the lightning protection earthing system includes multiple grounding bodies, and multiple grounding bodies are in spoke
It is distributed in the surrounding of the tower mast with penetrating shape.
Preferably, the quantity of the grounding body is 4,6 or 8.
In one embodiment, the lightning protection earthing system of the communication base station further includes the ground connection mould being connect with the grounding body
Block.
In one embodiment, the lightning protection earthing system of communication base station further includes antenna holder, and the antenna holder setting exists
The guardrail outer rim of the inspection platform is arranged, and is provided with transmission and transmission antenna on the antenna holder.
Preferably, the waveguide of transmission and transmission antenna, the metal parts of cable or electric wire are carried additionally on the inspection platform
Gap is equipped between the down conductor.
In one embodiment, the computer room is set up on the tower mast, and is equipped with preset distance with ground.
In one embodiment, the lightning protection earthing system of the communication base station further includes floating ground module；The suspension connects
Ground module is set in the computer room, and with the cage connection of the waveguide, cable or electric wire.
Implement the lightning protection earthing system of the communication base station of the present invention, advantage is：
1) use lightning rod that can neutralize the thundercloud of the small quantity of electric charge, the thunder and lightning that can also dredge large charge amount flows into ground.
2) transmission of the guardrail outer rim erection of inspection platform and transmission antenna and computer room are in the protection of lightning rod very little
In angular region.In lightning stroke rate, the dash current that antenna, waveguide, cable flow into computer room can be reduced.
3) tower mast, inspection platform and guardrail are insulator, and the transmission that sets up of its outer rim and transmission antenna and ground connection
There are larger physics and clearance for insulations between downlead, can resist direct thunder and inductive lightning.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the overall structure diagram of the lightning protection earthing system of the communication base station in one embodiment of the invention；
Fig. 2 shows the distribution schematic diagrams of the grounding body in one embodiment of the invention；
Fig. 3 is the protection domain schematic diagram of single lightning rod；
Fig. 4 shows the umbrella insulation protection area of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the overall structure of the lightning protection earthing system 100 of the communication base station in one embodiment of the invention.Such as Fig. 1
Shown, which includes lightning rod 110, down conductor 120, grounding body 130 and is used to support lightning rod
With the tower mast 140 of the computer room 200 of communication base station.Wherein, lightning rod 110 is mounted on the top of tower mast 140, and the air terminal length is about
2~5m.Tower mast 140 be tubular structure, bottom of the down conductor 120 through lightning rod 110 pass through tower mast 140 center, and with
It is reliably connect with the grounding body 130 being embedded in below the (not labeled) of ground afterwards.
Fig. 2 shows the distribution schematic diagrams of the grounding body in one embodiment of the invention.Include in the embodiment shown in Figure 2
There are 4 grounding bodies 130, the grounding body 130 radially to be symmetrically distributed in the surrounding of tower mast 140, with instantaneous to all directions
Promptly convey lightning current.However, according to other embodiments of the invention, can according to the soil of 140 installation site of tower mast and
The quantity of grounding body 130 is arranged to 6,8 or other quantity, in time by thunder and lightning by weather condition (intensity of lightning current)
Flow it is defeated walk.These grounding bodies 130 are preferably symmetrical around tower mast 140.
Further, it is also possible to which earthing module 150 is arranged according to the soil regime of 140 installation site of tower mast.Referring to Fig.1 and scheme
2, which connect with grounding body 140, for quickly absorb it is extra without it is defeated walk lightning current.In this implementation
Example in, earthing module 150 preferably can by metal or it is nonmetallic be made, mainly according to the soil of 140 installation site of tower mast
Resistivity size selects.
Further as shown in Figure 1, the computer room 200 of communication base station is set up on tower mast 140, and apart from ground equipped with preset
Distance.The inspection platform of communication base station is fixed on tower mast 140, and is further fixedly arranged on antenna in the guardrail outer rim of inspection platform
Holder 400.The transmission being provided on antenna holder 400 needed for various communications and transmission antenna (not shown).And signal wire then leads to
The outer wall that waveguide (not shown) or cable are crossed along tower mast 140 introduces in computer room.Wherein, in the present embodiment, the computer room 200
The distance between ground is preferably 5~10m, and two inspection platforms (the first inspection platform 301 is provided on tower mast 140
With the second inspection platform 302), which is arranged along the length direction interval of tower mast 140.Wherein, the first maintenance is flat
Distance is preferably 5~6m between platform 301 and lightning rod top, and the distance between the second inspection platform 302 and lightning rod top
Preferably 10~11m.
In the present embodiment, which is the hollow structure of taper, and preferably by polyurethane material according to certain
Taper formed by way of pultrusion and winding.Wherein, which is preferably 1: 0,1: 50 or 1: 75.The wall thickness of tower mast 140,
The number of plies and diameter can be designed according to the vertical load and horizontal load that it is subjected to.
Since polyurethane material has high intensity, lightweight, corrosion-resistant, radioresistance, good insulation preformance, weatherability etc. excellent
Point, and polyurethane material can keep 80-100 not agings.Therefore, using tower mast service life made from polyurethane material compared with
It is long, and its overall cost is more relatively low than steel tube tower.Further, it is also possible to the additives such as fiber be added in polyurethane material, to carry
Its high flame retardant property, thermal stability, corrosion resistance and anti-radiation performance.Wherein, the fiber such as glass fibre, Wu Yan
Fiber, Fypro, polyurethane fiber, carbon fiber etc..
Moreover it is preferred that the guardrail on inspection platform and inspection platform is preferably by the poly- ammonia added with fiber
Ester material is made, and the waveguide, cable or electric wire that are only useful for carrying additionally transmission and transmission antenna have metal parts.In reality
In the installation of border, the waveguide, cable or electric wire will be somebody's turn to do after being drawn from antenna holder 400 along the adjoining of the length direction of tower mast 140
Tower mast 140, which extends to, to be stretched into computer room 200.Since down conductor 120 is located at the middle part of tower mast 140, waveguide, cable
Or between the metal parts and down conductor 120 of electric wire be equipped with physical clearance, the physical clearance at least by the outer diameter of tower mast with
And the distance between metal parts and the waveguide, cable or electric wire composition.
Further, since tower mast 140 and inspection platform are insulator, in the middle part of tower mast and waveguide, cable or electricity
It is filled with air inside line, and air itself is insulator, therefore, between metal parts and down conductor also has between insulating
Gap.
Above-mentioned physical clearance and clearance for insulation is very big so that needs great lightning current that can just make gap breakdown.
Therefore, because the presence in the gap (physical clearance and clearance for insulation), makes the lightning protection earthing system in the present embodiment that can resist directly
Connect thunder and inductive lightning.
In order to carry out lightning protection to 200 internal unit of computer room, reinforce its lightning protection effect, in this embodiment, it is preferred that also setting
It is equipped with floating ground module 160.The floating ground module 160 is set in computer room 200, and floating ground module 160 is further
With the cage connection of waveguide, cable or electric wire, with the charge inducing of absorbing waveguides pipe, cable or electric wire.In addition, in computer room
Lightning protection device can also be further set in 200, to improve the lightning protection properties of computer room 200.Existing skill can be used in the lightning protection device
Known lightning protection device, the present invention repeat no more in art.
Fig. 3 shows the protection domain of single lightning rod.As shown in figure 3, for there was only single lightning rod, lightning rod
Radius of protection on the ground is usually calculated by following equation：
R=1.5h P (1.1)
Wherein, r is the radius of protection of lightning rod；H is the height of lightning rod；P is the influence coefficient of height.As h≤30m
When, P=1；As 30m ＜ h≤120m,And as h ＞ 120m, then calculate P according to h=120m.
Further as shown in figure 3, when protected object is in height hXWhen, lightning rod is in hXRadius of protection on horizontal plane is then
It is calculated by following equation：
Work as hXWhen >=0.5h, rx=(h-hX) P=haP (1.2)
Work as hXWhen ＜ 0.5h, rx=(1.5h-2hX)P (1.3)
Wherein, rxIt is lightning rod in hXRadius of protection on horizontal plane；hXFor protected object height；HaFor having for lightning rod
Effect height.
The computer room of the present invention and the pass of inspection platform and lightning rod protection scope are calculated below in conjunction with equation 1.1~1.3
System.
Specifically, it is assumed that the total height of lightning rod and tower mast is 50, and air terminal length is 5 meters, and the first inspection platform is away from keeping away
6 meters of thunder needle top (i.e. the first inspection platform at the top of tower mast at a distance from be 1m)；11 meters away from lightning rod top of second inspection platform (i.e.
Two inspection platforms at the top of tower mast at a distance from be 6m), 45 meters away from lightning rod top of computer room (i.e. computer room at the top of tower mast at a distance from be
40m)。
It is then calculated according to equation 1.1 it is found that the radius of protection of lightning rod on the ground is 176m.For the first inspection platform
With the second inspection platform, respective hXIt is all higher than 0.5h.Therefore, it is calculated it is found that the first inspection platform height according to equation 1.2
hXRadius of protection on horizontal plane is 14m；And the second inspection platform height hXRadius of protection on horizontal plane is 26m.And for machine
For room, due to the h of computer roomXLess than 0.5m, therefore machine room height h can be can be calculated according to equation 1.3XGuarantor on horizontal plane
Shield radius is 152m.
It will therefore be apparent that the first inspection platform 301, the second inspection platform 302 and computer room 200 lightning rod 110 very
(referring to Fig. 4) in small protection angular region, lightning protection effect is preferable.It can be seen that the lightning rod in one embodiment of the invention can
That realizes communication base station effectively prevents direct thunder.Lightning current can be attracted on the lightning rod of metal by the lightning rod, and safe
It imports in ground, is struck by lightning so as to avoid communication base station equipment.
Therefore, it when lightning protection earthing system using the present invention, since lightning rod can neutralize the thundercloud of the small quantity of electric charge, can also dredge
The lightning current of large charge amount is led, therefore, when being struck by lightning lightning rod, huge lightning current will pass through lightning rod and down conductor
It is introduced into underground, and inspection platform, computer room can make to use this kind of lightning protection in the range of the shielding angle very little of lightning rod
The communication base station of system effectively prevents direct thunder.Although still having very high potential drop in that case, and lightning current draws
It plays electric field nearby and magnetic field generates strong mutation and causes to carry additionally the waveguide of transmission and transmission antenna or the metal portion of cable, electric wire
Flashover occurs for part, but since tower mast, inspection platform and guardrail are made of the polyurethane material added with fiber, insulating properties
Good, lightning current can't be transmitted to by inspection platform and tower mast etc. in computer room.In addition, again due to carrying additionally biography on inspection platform
Physical clearance between the metal parts and down conductor of defeated and transmission antenna waveguide, cable or electric wire and clearance for insulation
It is very big, it can effectively resist direct thunder and inductive lightning.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.Structure according to the present invention
Think, there can be the alternative solution of a lot of other variations.Any modification made by all within the spirits and principles of the present invention is equal
Replace and improve etc., it should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of lightning protection earthing system of communication base station, which is characterized in that including lightning rod, down conductor, grounding body and
It is used to support the tower mast of the computer room of lightning rod and communication base station；The tower mast and the inspection platform being fixed on the tower mast are equal
It is made of the polyurethane material added with fiber；The lightning rod is installed at the top of the tower mast, and the down conductor is through institute
The bottom for stating lightning rod passes through the center of the tower mast, and is connect with the grounding body for being embedded in below ground；
Further include antenna holder, the guardrail outer rim in the inspection platform is arranged in the antenna holder, and on the antenna holder
It is provided with transmission and transmission antenna；Transmission and transmission antenna are equipped with waveguide, have for carrying additionally on the inspection platform
The metal parts of waveguide, cable or electric wire is equipped with gap between metal parts and the down conductor；
The gap includes physical clearance and clearance for insulation, and the physical clearance is by the outer diameter and metal parts of tower mast and waveguide
The distance between pipe, cable or electric wire composition；
The clearance for insulation includes：The tower mast and inspection platform prepared by insulating materials, the air gap in the middle part of tower mast, Yi Jibo
Itself insulating layer of conduit, cable or electric wire；
Air terminal length is 2~5m, and the inspection platform includes the first inspection platform and the second inspection platform, the first inspection platform
Distance is 5~6m between lightning rod top, and the distance between the second inspection platform and lightning rod top are 10~11m.
2. the lightning protection earthing system of communication base station according to claim 1, which is characterized in that the lightning protection earthing system packet
Multiple grounding bodies are included, and multiple grounding bodies radially are distributed in the surrounding of the tower mast.
3. the lightning protection earthing system of communication base station according to claim 2, which is characterized in that the quantity of the grounding body is
4,6 or 8.
4. the lightning protection earthing system of communication base station according to claim 2, which is characterized in that further include and the grounding body
The earthing module of connection.
5. the lightning protection earthing system of communication base station according to claim 1, which is characterized in that the computer room is set up in described
On tower mast, and preset distance is equipped with ground.
6. the lightning protection earthing system of communication base station according to claim 5, which is characterized in that further include floating ground mould
Block；The floating ground module is set in the computer room, and with the cage connection of the waveguide, cable or electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847618.6A CN105375126B (en) | 2015-11-27 | 2015-11-27 | The lightning protection earthing system of communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847618.6A CN105375126B (en) | 2015-11-27 | 2015-11-27 | The lightning protection earthing system of communication base station |
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| CN105375126A CN105375126A (en) | 2016-03-02 |
| CN105375126B true CN105375126B (en) | 2018-09-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111834920A (en) * | 2020-06-17 | 2020-10-27 | 山东电力工程咨询院有限公司 | Lightning rod and wireless base station iron tower combined construction structure and grounding method thereof |
| CN112086861A (en) * | 2020-07-31 | 2020-12-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | Transformer substation lightning rod capable of serving as 5G base station antenna tower |
| CN112421382A (en) * | 2020-11-18 | 2021-02-26 | 中国舰船研究设计中心 | Lightning rod device of composite material top mast and integration method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140623A1 (en) * | 2001-03-30 | 2002-10-03 | Harrison John W. | Apparatus and method for increasing monopole capacity using internal strengthening |
| CN2721785Y (en) * | 2004-05-26 | 2005-08-31 | 赵欣荣 | Scenery glass fiber reinforced plastic telecommunication tower |
| CN101929262A (en) * | 2010-09-14 | 2010-12-29 | 国网电力科学研究院武汉南瑞有限责任公司 | Power line pole tower made of composite material |
| CN202467258U (en) * | 2011-10-29 | 2012-10-03 | 潍坊长安铁塔股份有限公司 | Simple base station with integrated tower body and machine room |
| CN102605973A (en) * | 2012-03-26 | 2012-07-25 | 浙江八方电信有限公司 | Space station |
| CN103243957A (en) * | 2013-05-03 | 2013-08-14 | 陈国龙 | Communication tower with light weight and high strength |
| CN205303710U (en) * | 2015-11-27 | 2016-06-08 | 胡广生 | Lightning grounding system of communication base station |
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