CN201928081U - Single-line remote power supply system for base station - Google Patents
Single-line remote power supply system for base station Download PDFInfo
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- CN201928081U CN201928081U CN2010205694105U CN201020569410U CN201928081U CN 201928081 U CN201928081 U CN 201928081U CN 2010205694105 U CN2010205694105 U CN 2010205694105U CN 201020569410 U CN201020569410 U CN 201020569410U CN 201928081 U CN201928081 U CN 201928081U
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- remote
- base station
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a single-line remote power supply system for a base station, which comprises a far power supply local end and a far power supply remote end and consists of a local end control and protection portion, a low-voltage boosting transformer, a single feeder line, a low-voltage reduction transformer, a remote end control and protection portion and the like, stable alternating-current power at the local end is switched into needed low-voltage electricity which is transmitted to the single feeder line, the single feeder line transmits the low-voltage electricity to one or more remote end base stations far away from the single feeder line, and the remote end which supplies power in far distance converts the low-voltage electricity into normal voltage and then supplies the normal voltage to a remote end base station system, thereby guaranteeing that a plurality of remote end base station systems surrounding the local end can operate stably after being in power failure accidently. The local end and remote end control and protection portions consists of remote power supply automatic switching devices, undervoltage and high-temperature protection circuit and lightning protection modules. The single-line remote power supply system adopts the single feeder line to transmit power to remote ends of a plurality of far power supply sources, resolves problems of long time, high cost and the like caused by power failure of base stations, and further resolves the difficult problem that normal operation is affected severely.
Description
Technical field
The present invention relates to the electric power safeguard technology of communication base station.
Background technology
The electric power safeguard of radio communication access devices such as communication base station directly has influence on the singal reporting code and the service quality of wireless communication networks.Particularly, because of reasons such as power failures, influence the work of base station through regular meeting in places such as mountain area, remote countrysides.Present Remote Power Supply system, the mode of direct current two-wire generally commonly used, its power supply distance less (about 2-4KM), one time cost of investment is very high, and line loss is bigger, poor practicability.
To this, the emergency measures that telecommunication department adopts at present is: move standby put-put and oil plant to the power failure base station, carry out on-site generated power.But, be accompanied by the fast development of telecommunications, increasing sharply of base station number, base station number is far away more than the quantity of standby diesel engine, and along with going deep into that the base station covers, remote rural area, considerable base station, mountain top, have inconvenient traffic, therefore if generator and the oil plant way to the base station on-site generated power is transported in have a power failure back adopt, have difficulties many, the time long, generator transports and move the problems such as expense height of (comprise oil plant and artificial etc.), has a strong impact on the operate as normal of base station.
Summary of the invention:
The purpose of this utility model is to overcome the difficult problem that the base station has a power failure and brings, and a kind of communication base station single line remote electric power system is provided.
The present invention is achieved in that remote electric power system comprises Remote Power Supply local side and Remote Power Supply far-end, and partly (1), low pressure step-up transformer (2), single feed line (3), low voltage step-down transformer (4), far-end control are formed by connecting with protection part (5) front and back with protection by local side control.At local side (central station) local side stable power (power supply of civil power or generator) is transformed into suitable voltage and flows to single feed line, single feed line sends this power supply to one or more Remote Power Supply far-ends of certain distance outer (in 12 kilometers), the Remote Power Supply far-end is supplied with the telepoint base station system after normal voltage is returned in its conversion, to guarantee local side (central station) steady operation of one or more telepoint base station system after power failure and the running quality of wireless network on every side.Described control and protection part are made up of remote power feeding automatic switching control equipment, under-voltage and high temperature protection circuit, lightning protection module.
In this system, far-end control provides with the protection part and exchanges, the automatic switchover of direct current, reaches functions such as under-voltage protection, high temperature protection, lightning protection, guarantees the reliability of equipment operation, improves the fail safe of system, is one of core of system.Local side and far-end control and protection part; can guarantee in system's running; after short circuit phenomenon appears in any one of local side output, circuit, far-end input and far-end output, equipment will be guaranteed device security in the moment output of cutting off the electricity supply automatically.In order to alleviate the load of hydro power generation; remote equipment power supply far for the time use interlock function arranged (for system works more reliable) D.C. contactor cut off the base station battery part automatically; in order to avoid when the base station remote power feeding is initial; impact because of the large current charge oil feeder of battery causes g-load, make oily machine unstable or shut down.In addition, a plurality of stations can power on according to setting in advance successively, the strong load impact that the oil feeder of effectively avoiding powering on simultaneously brings.System adopts B level lightning protection module (carrier class lightning protection device), can effectively prevent because the influence of the thunder and lightning that outside line may be introduced.
The present invention is work like this: telepoint base station uses local mains-supplied at ordinary times.Behind the mains failure, system cooperates automatic identification and the automatic switchover of carrying out civil power, oil electromechanics by the circuit and the A.C. contactor of interlock function.This A.C. contactor automatically switches on the remote power feeding system, is powered by base station single line remote electric power system.When the city power recovery, remote equipment can automatically switch to the civil power ac power supply method, and this moment, remote power feeding system was stopped power supply.
System's characteristics:
1, adopt the low voltage power transmission mode, because of being that standby electricity is emergent usefulness, therefore non-lasting transmission of electricity transmits safety.
2, possess protections such as lightning protection, overload, high temperature, under-voltage, overcurrent, perfect function, therefore safe in utilization.
3, adopt the plumbous twisted wire of single line multilayer insulation, and can be along the attached extension in base station optical cable transmission pole line, cost is low.
4, multistation around the center base station one table oil machine band saves and manually transports oily machine expense, ensures more timely and effective.Good and economic and practicality are arranged.
5, transmission distance is far away: can reach 12 kilometers farthest, can satisfy general base station fully and cover actual needs.(base station general coverage now is about the 6-10 kilometer, and general Remote Power Supply system is the 2-4 kilometer).
6, modularized design, it is convenient to safeguard, upgrade.
Description of drawings
Fig. 1, remote power feeding fundamental diagram;
The principle schematic of Fig. 2, remote power feeding automatic switching control equipment;
Fig. 3, under-voltage, high temperature protection plate principle schematic;
Fig. 4, operation principle schematic diagram of the present utility model;
Fig. 5, control circuit system exchange the interlock circuit that automaticallyes switch and use.
Embodiment
Below in conjunction with embodiment of accompanying drawing 4 narrations, the utility model is described further.
Fig. 1 shows the remote power feeding operation principle:
Remote electric power system comprises Remote Power Supply local side and Remote Power Supply far-end, and partly (1), low pressure step-up transformer (2), single feed line (3), low voltage step-down transformer (4), far-end control are formed by connecting with protection part (5) front and back with protection by local side control.At local side (central station) local side stable power (power supply of civil power or generator) is transformed into suitable voltage and flows to single feed line, single feed line sends this power supply to one or more Remote Power Supply far-ends of certain distance outer (in 12 kilometers), the Remote Power Supply far-end is supplied with the telepoint base station system after normal voltage is returned in its conversion, to guarantee local side (central station) steady operation of one or more telepoint base station system after power failure and the running quality of wireless network on every side.Described control and protection part are made up of remote power feeding automatic switching control equipment, under-voltage and high temperature protection circuit, lightning protection module.
Fig. 2 shows the principle of remote power feeding automatic switching control equipment:
The remote power feeding automatic switching control equipment mainly is made up of A.C. contactor and voltage detecting circuit that interlock circuit (preventing to produce the powered operation fault) is arranged, the auxiliary contact (JZ2) of this A.C. contactor (JC1 and JC2, interlocking) connects line voltage testing circuit AC/DC.General city's electric control (civil power is preferential) mode that adopts, when promptly civil power being arranged, its voltage detecting circuit AC/DC detects voltage, drives JZ2 control JC2-1 closure, and JC1 connects, and the base station rectification module adopts mains-supplied.When mains failure, JZ2 control JC1-1 closure, this A.C. contactor JC2 adhesive (with the JC1 interlocking), system automatically switches on the remote power feeding system, and this moment, the base station rectification module adopted oil dynamo-electric.When the city power recovery, system can automatically switch to the civil power ac power supply method according to above working method, and this moment, remote power feeding system was stopped power supply.Its JC1 and JC2 realize interlock function, accurately switch to guarantee power supply, prevent to produce the powered operation fault.
Under-voltage, high temperature protection plate principle that Fig. 3 shows:
Among the figure: QA-start button, Rt-temperature sensor (being attached on the single-circuit transformer), JC-A.C. contactor, but CT-homing position type overcurrent protector, JZ1-control relay.
Under the normal condition, after the QA-start button closure, A.C. contactor JC closure, the AC220V alternating current is through single-circuit transformer OUT output, and relay indicating light this moment (green) is bright, and system works is normal.
If under-voltage high temperature protection plate detects temperature sensor (Rt; be attached on the single-circuit transformer; responsible detection system temperature) high temperature signal or the under-voltage signal of system's output voltage; to control JZ1 and discharge, and drive A.C. contactor JC and discharge, the system halt power supply; relay indicating light this moment (green) goes out; while JC1-2 closure, malfunction indicator lamp (red) is bright, realizes under-voltage, high temperature protection function.
The overcurrent protector ST that can reset can detect the electric current by it, can cut off output rapidly when current overload, to realize overcurrent protection function.Select the overcurrent protector ST that resets (general 4-10 ampere) of suitable model according to system power.
Fig. 4 shows operation principle of the present utility model:
By local side (A station, central station) stable power (power supply of civil power or generator) is transformed into suitable voltage through the Remote Power Supply local side apparatus and flows to single feed line, single feed line sends this power supply to several Remote Power Supply far-ends (B station and C station) of certain distance (in 12 kilometers), after returning its conversion to normal voltage, the Remote Power Supply far-end supplies with the telepoint base station system, to guarantee local side (central station, A station) steady operation of several telepoint base station systems (as B station and C station) after its power failure on every side guaranteed the running quality of wireless network.
Fig. 5 display control circuit system exchanges the interlock circuit that automaticallyes switch and use:
The interchange of its control circuit system is automaticallyed switch and is used the A.C. contactor (JC1/2) that interlock circuit (preventing to produce the powered operation fault) arranged, its auxiliary contact, and distributing connects civil power and oily machine.General adopt city's electric control (civil power is preferential, i.e. positive normal open during civil power).When mains failure, this A.C. contactor automatically switches on the remote power feeding system.When the city power recovery, remote equipment can automatically switch to the civil power ac power supply method, and this moment, remote power feeding system was stopped power supply.In order to alleviate the load of central station (A station) hydro power generation, telepoint base station (B station and C station) is when equipment far supplies at power supply, Remote Power Supply DC control (battery switching) is used interlock function (for system works more reliable) D.C. contactor cut off the base station battery part automatically, in order to avoid when the base station remote power feeding is initial, because of the large current charge oil feeder of battery causes g-load to impact.
Claims (5)
1. base station single line remote electric power system; it is characterized in that: this system comprises Remote Power Supply local side and Remote Power Supply far-end two parts; by local side control and protection part (1); low pressure step-up transformer (2); single feed line (3); low voltage step-down transformer (4); far-end control and protection part compositions such as (5); be transformed into the low tension that needs in the local side AC power that local side is stable; flow to single feed line; single feed line sends this low tension to remote one or more telepoint base station; the far-end of Remote Power Supply; its conversion returned supply with the telepoint base station system after the normal voltage; to guarantee local side several telepoint base station systems on every side, can steady operation after it has a power failure for some reason.
2. according to the described base station of claim 1 single line remote electric power system, it is characterized in that: control of described local side and far-end and protection part, by the remote power feeding automatic switching control equipment, under-voltage, high temperature protection circuit, lightning protection module are formed.
3. according to the described base station of claim 1 single line remote electric power system, it is characterized in that: use single feed line to send this power supply the far-end of several Remote Power Supplies to, distance range therebetween is within 12 kilometers.
4. according to the described base station of claim 1 single line remote electric power system, it is characterized in that: when remote equipment far supplies at power supply, use has the D.C. contactor of interlock function to cut off the base station battery part automatically, in order to avoid when the base station remote power feeding is initial, because of the large current charge oil feeder of battery causes g-load to impact.
5. according to the described base station of claim 1 single line remote electric power system, it is characterized in that: a plurality of stations can power on according to setting in advance successively, the strong load impact that the oil feeder of effectively avoiding powering on simultaneously brings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205694105U CN201928081U (en) | 2010-10-19 | 2010-10-19 | Single-line remote power supply system for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205694105U CN201928081U (en) | 2010-10-19 | 2010-10-19 | Single-line remote power supply system for base station |
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| Publication Number | Publication Date |
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| CN201928081U true CN201928081U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205694105U Expired - Fee Related CN201928081U (en) | 2010-10-19 | 2010-10-19 | Single-line remote power supply system for base station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901302A (en) * | 2015-06-08 | 2015-09-09 | 北京宏光星宇科技发展有限公司 | Centralized alternating-current-and-direct-current dual-input direct-current remote power supply system |
| CN106100358A (en) * | 2016-08-10 | 2016-11-09 | 武汉普天新能源有限公司 | Voltage regulating device and electric power system |
| CN107317333A (en) * | 2017-08-16 | 2017-11-03 | 路桥华祥国际工程有限公司 | A kind of single-phase electricity remote power system |
-
2010
- 2010-10-19 CN CN2010205694105U patent/CN201928081U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901302A (en) * | 2015-06-08 | 2015-09-09 | 北京宏光星宇科技发展有限公司 | Centralized alternating-current-and-direct-current dual-input direct-current remote power supply system |
| CN106100358A (en) * | 2016-08-10 | 2016-11-09 | 武汉普天新能源有限公司 | Voltage regulating device and electric power system |
| CN107317333A (en) * | 2017-08-16 | 2017-11-03 | 路桥华祥国际工程有限公司 | A kind of single-phase electricity remote power system |
| CN107317333B (en) * | 2017-08-16 | 2023-09-15 | 中交一公局第七工程有限公司 | Single-phase electric remote power supply system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20151019 |
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| EXPY | Termination of patent right or utility model |