CN104269663B - The earthing method of small-sized LTE distributed base station under difference thunderbolt environment - Google Patents
The earthing method of small-sized LTE distributed base station under difference thunderbolt environment Download PDFInfo
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- CN104269663B CN104269663B CN201410500930.3A CN201410500930A CN104269663B CN 104269663 B CN104269663 B CN 104269663B CN 201410500930 A CN201410500930 A CN 201410500930A CN 104269663 B CN104269663 B CN 104269663B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000007667 floating Methods 0.000 claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 1
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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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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
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/044—Physical layout, materials not provided for elsewhere
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- Manufacturing & Machinery (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses the earthing method of a kind of small-sized LTE distributed base station under difference thunderbolt environment, the residing environment of described small-sized LTE distributed base station is divided into compared with low-risk type region, medium risk type region, excessive risk type region; Small-sized LTE distributed base station is installed when the exposed environments compared with low-risk type region, is adopted traditional grounding scheme, when in non-exposed environments, adopt floating ground solution; Medium risk type region adopts traditional grounding scheme when small-sized LTE distributed base station is installed; In the time not possessing grounding requirement, adopt floating ground/isolation solution according to ambient conditions; State and when small-sized LTE distributed base station is installed in excessive risk type region, adopt traditional grounding scheme. The invention has the advantages that the lightning protection method of small-sized LTE distributed base station under difference thunderbolt environment is provided, improved the security reliability of small-sized LTE distributed base station, reduced potential safety hazard, simultaneously constructability operation again.
Description
Technical field
The present invention relates to the earthing method of distributed communication base station, especially relate to the earthing method of small-sized LTE distributed base station under difference thunderbolt environment.
Background technology
The abbreviation of small-sized LTE(LongTermEvolution, the popular 3.9G wireless network that is called) distributed base station is as the one form of building a station flexibly, more and more be applied in each operator, be conventionally arranged in indoor, building or other are difficult for finding indoor public places of earth points. Small base station is built a station more flexible, require lower to address, can directly hang wall installs, solve operator's difficult problem of building a station, still, because small base station is often built non-telecommunication environment in, randomness is larger, without electrically connecing, therefore do not possess and adopt conventional lightning protection mode, therefore can not effectively ensure the lightning protection safety of small base station.
Summary of the invention
The object of the invention is to provide the earthing method of a kind of small-sized LTE distributed base station under difference thunderbolt environment.
For achieving the above object, the present invention takes following technical proposals:
The earthing method of small-sized LTE distributed base station of the present invention under difference thunderbolt environment, is divided into the residing environment of described small-sized LTE distributed base station compared with low-risk type region, medium risk type region, excessive risk type region;
Describedly comprise compared with low-risk type region:
The following isolated building in 20 meters, urban district, street light pole, billboard, outskirts of a town or cottar's indoor or outdoors wall, and thunderstorm day the region that is area with less lightning activities; In the time that above-mentioned zone is installed small-sized LTE distributed base station in exposed environments, adopt traditional ground connection solution, when in non-exposed environments, adopt floating ground solution;
Described medium risk type region comprises:
By roof, outskirts of a town or the cottar room roof of the above isolated buildings in 20 meters, urban district, pool/reservoir, highway or Along Railway, and thunderstorm day be the region of middle minefield and area with more lightning activities; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution; In the time not possessing grounding requirement, adopt floating ground/isolation solution according to ambient conditions;
Described excessive risk type region comprises:
Hills, open field, high mountain, island, isolated building top or steel tower, and thunderstorm day be the region in area with more lightning activities and strong minefield; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution.
Described floating ground solution comprises complete floating ground mode and half floating ground mode;
A, described complete floating ground mode are:
The metal shell that described small-sized LTE distributed base station is positioned to indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box is all electrically connected with reference point bus-bar; External power source inlet wire is by the power input interface electrical connection of differential mode lightning guard and described power supply distribution box; Exterior aerial is electrically connected with the metal shell that is arranged on outdoor Remote Radio Unit and is electrically connected with outdoor junction row; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected; Described reference point bus-bar, outdoor junction row are all earth-free to form complete floating ground lightning protection earthing system;
B, described half floating ground mode are:
Described small-sized LTE distributed base station is positioned to metal shell and the electrical connection of reference point bus-bar of indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box; External power source inlet wire is by the power input interface electrical connection of differential mode protector and described power supply distribution box; Exterior aerial and the metal shell electrical connection that is arranged on outdoor Remote Radio Unit, and with lighting proof strip or reinforcing bar or the earthing bar electrical connection of building; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Or:
The earth connection that described small-sized LTE distributed base station is positioned to indoor transmission equipment, baseband processing unit and power supply distribution box, two-port lightning protection device is connected with reference point bus-bar, the lighting proof strip of reference point bus-bar and building or reinforcing bar is electric or peripheral hardware earthing bar is connected; Carry out lightning protected by two-port lightning protection device to outside electric power incoming line; Exterior aerial is electrically connected rear with the metal shell that is arranged on outdoor Remote Radio Unit and outdoor junction row electrical connection is earth-free; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Described floating ground/isolation solution is: the power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler; It is earth-free that isolating transformer and photoelectrical coupler connect reference point bus-bar.
Described floating ground/isolation solution also can be: the telecommunication transmission equipment of described small-sized LTE distributed base station, baseband processing unit and power supply distribution box are all installed in rack with insulation mode; Telecommunication transmission equipment, baseband processing unit and the earth connection of power supply distribution box take floating ground mode to be connected, that is: the earth connection of telecommunication transmission equipment, baseband processing unit and power supply distribution box and electric connection of reference point bus-bar equipotential, reference point bus-bar is earth-free; The power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler.
The invention has the advantages that the lightning protection method of small-sized LTE distributed base station under difference thunderbolt environment is provided, improved the security reliability of small-sized LTE distributed base station, reduced potential safety hazard, simultaneously constructability operation again.
Detailed description of the invention
The earthing method of small-sized LTE distributed base station of the present invention under difference thunderbolt environment, is divided into the residing environment of described small-sized LTE distributed base station compared with low-risk type region, medium risk type region, excessive risk type region;
Describedly comprise compared with low-risk type region:
The following isolated building in 20 meters, urban district, street light pole, billboard, outskirts of a town or cottar's indoor or outdoors wall, and thunderstorm day the region that is area with less lightning activities; In the time that above-mentioned zone is installed small-sized LTE distributed base station in exposed environments, adopt traditional ground connection solution, when in non-exposed environments, adopt floating ground solution;
Described medium risk type region comprises:
By roof, outskirts of a town or the cottar room roof of the above isolated buildings in 20 meters, urban district, pool/reservoir, highway or Along Railway, and thunderstorm day be the region of middle minefield and area with more lightning activities; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution; In the time not possessing grounding requirement, adopt floating ground/isolation solution according to ambient conditions;
Described excessive risk type region comprises:
Hills, open field, high mountain, island, isolated building top or steel tower, and thunderstorm day be the region in area with more lightning activities and strong minefield; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution.
Described floating ground solution comprises complete floating ground mode and half floating ground mode;
A, described complete floating ground mode are:
The metal shell that described small-sized LTE distributed base station is positioned to indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box is all electrically connected with reference point bus-bar; External power source inlet wire is by the power input interface electrical connection of differential mode lightning guard and described power supply distribution box; Exterior aerial is electrically connected with the metal shell that is arranged on outdoor Remote Radio Unit and is electrically connected with outdoor junction row; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected; Described reference point bus-bar, outdoor junction row are all earth-free to form complete floating ground lightning protection earthing system;
B, described half floating ground mode are:
Described small-sized LTE distributed base station is positioned to metal shell and the electrical connection of reference point bus-bar of indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box; External power source inlet wire is by the power input interface electrical connection of differential mode protector and described power supply distribution box; Exterior aerial and the metal shell electrical connection that is arranged on outdoor Remote Radio Unit, and with lighting proof strip or reinforcing bar or the earthing bar electrical connection of building; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Or:
The earth connection that described small-sized LTE distributed base station is positioned to indoor transmission equipment, baseband processing unit and power supply distribution box, two-port lightning protection device is connected with reference point bus-bar, the lighting proof strip of reference point bus-bar and building or reinforcing bar is electric or peripheral hardware earthing bar is connected; Carry out lightning protected by two-port lightning protection device to outside electric power incoming line; Exterior aerial is electrically connected rear with the metal shell that is arranged on outdoor Remote Radio Unit and outdoor junction row electrical connection is earth-free; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Described floating ground/isolation solution is: the power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler; It is earth-free that isolating transformer and photoelectrical coupler connect reference point bus-bar.
Described floating ground/isolation solution also can be: the telecommunication transmission equipment of described small-sized LTE distributed base station, baseband processing unit and power supply distribution box are all installed in rack with insulation mode; Telecommunication transmission equipment, baseband processing unit and the earth connection of power supply distribution box take floating ground mode to be connected, that is: the earth connection of telecommunication transmission equipment, baseband processing unit and power supply distribution box and electric connection of reference point bus-bar equipotential, reference point bus-bar is earth-free; The power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler.
Claims (2)
1. the earthing method of small-sized LTE distributed base station under difference thunderbolt environment, is characterized in that: the residing environment of described small-sized LTE distributed base station is divided into compared with low-risk type region, medium risk type region, excessive risk type region;
Describedly comprise compared with low-risk type region:
The following isolated building in 20 meters, urban district, street light pole, billboard, outskirts of a town or cottar's indoor or outdoors wall, and thunderstorm day the region that is area with less lightning activities; In the time that above-mentioned zone is installed small-sized LTE distributed base station in exposed environments, adopt traditional ground connection solution, when in non-exposed environments, adopt floating ground solution;
Described medium risk type region comprises:
By roof, outskirts of a town or the cottar room roof of the above isolated buildings in 20 meters, urban district, pool/reservoir, highway or Along Railway, and thunderstorm day be the region of middle minefield and area with more lightning activities; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution; In the time not possessing grounding requirement, adopt floating ground/isolation solution according to ambient conditions;
Described excessive risk type region comprises:
Hills, open field, high mountain, island, isolated building top or steel tower, and thunderstorm day be the region in area with more lightning activities and strong minefield; In the time that installing small-sized LTE distributed base station, above-mentioned zone adopts traditional ground connection solution;
Described floating ground solution comprises complete floating ground mode and half floating ground mode;
A, described complete floating ground mode are:
The metal shell that described small-sized LTE distributed base station is positioned to indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box is all electrically connected with reference point bus-bar; External power source inlet wire is by the power input interface electrical connection of differential mode lightning guard and described power supply distribution box; Exterior aerial is electrically connected with the metal shell that is arranged on outdoor Remote Radio Unit and is electrically connected with outdoor junction row; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected; Described reference point bus-bar, outdoor junction row are all earth-free to form complete floating ground lightning protection earthing system;
B, described half floating ground mode are:
Described small-sized LTE distributed base station is positioned to metal shell and the electrical connection of reference point bus-bar of indoor wireless communication transmissions equipment, baseband processing unit and power supply distribution box; External power source inlet wire is by the power input interface electrical connection of differential mode protector and described power supply distribution box; Exterior aerial and the metal shell electrical connection that is arranged on outdoor Remote Radio Unit, and with lighting proof strip or reinforcing bar or the earthing bar electrical connection of building; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Or:
The earth connection that described small-sized LTE distributed base station is positioned to indoor transmission equipment, baseband processing unit and power supply distribution box, two-port lightning protection device is connected with reference point bus-bar, the lighting proof strip of reference point bus-bar and building or reinforcing bar is electric or peripheral hardware earthing bar is connected; Carry out lightning protected by two-port lightning protection device to outside electric power incoming line; Exterior aerial is electrically connected rear with the metal shell that is arranged on outdoor Remote Radio Unit and outdoor junction row electrical connection is earth-free; The communication interface of described Remote Radio Unit and power input interface respectively by optical cable and power feeder be arranged on the communication interface of the baseband processing unit on indoor wall and power interface is corresponding is connected;
Described floating ground/isolation solution is: the power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler; It is earth-free that isolating transformer and photoelectrical coupler connect reference point bus-bar.
2. the earthing method that small-sized LTE distributed base station is struck by lightning under environment in difference according to claim 1, is characterized in that: described floating ground/isolation solution is: the telecommunication transmission equipment of described small-sized LTE distributed base station, baseband processing unit and power supply distribution box are all installed in rack with insulation mode; Telecommunication transmission equipment, baseband processing unit and the earth connection of power supply distribution box take floating ground mode to be connected, that is: the earth connection of telecommunication transmission equipment, baseband processing unit and power supply distribution box and electric connection of reference point bus-bar equipotential, reference point bus-bar is earth-free; The power interface of power supply distribution box is through isolating transformer, differential mode anti-lightening protector and external power source electrical connection; The communication interface of telecommunication transmission equipment is connected with PERCOM peripheral communication through the communications cable, photoelectrical coupler; Withstand voltage >=the 6kVdc of described isolating transformer, photoelectrical coupler.
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| CN104902439B (en) * | 2015-05-04 | 2018-08-03 | 中国联合网络通信集团有限公司 | A kind of method and device for the lightning measure determining small base station under various circumstances |
| CN111485625A (en) * | 2020-04-25 | 2020-08-04 | 王晨庄 | Overpass type 5G base station far away from residential area and novel base station |
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2014
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