CN201312309Y - Base station coverage extension system based on remote power supply - Google Patents
Base station coverage extension system based on remote power supply Download PDFInfo
- Publication number
- CN201312309Y CN201312309Y CNU2008202002317U CN200820200231U CN201312309Y CN 201312309 Y CN201312309 Y CN 201312309Y CN U2008202002317 U CNU2008202002317 U CN U2008202002317U CN 200820200231 U CN200820200231 U CN 200820200231U CN 201312309 Y CN201312309 Y CN 201312309Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- power
- remote
- base station
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a base station coverage extension system based on remote power supply. The system comprises a repeater system, a remote power supply system and feed lines, wherein the remote power supply system includes a local terminal and a remote terminal of the remote power supply system; the local terminal is used for converting the stable power to a proper voltage and supplying the voltage to the remote terminal of the remote power supply system through the feed lines; and the remote terminal regulates the power and supplies the regulated power to the repeater.
Description
Technical field
The utility model relates to the signal covering system of moving communicating field, and covering system is extended in especially a kind of base station of remote power feeding.
Background technology
Mobile communication GSM network is through for many years engineering construction, network size and service basically form, cooperate carrying out of a large amount of network optimization projects simultaneously, the feasible zone that has blind spot in the past, substantially all well covered as village, highway, bridge, tunnel, city office building etc., whole network index is obviously optimized.
But networking has faced some websites again can not build base station extension covering system owing to there is civil power, and other websites cause the base station to extend the covering system job insecurity owing to situations such as commercial power supply instabilities and have influence on the network running quality instability.
At the situation that does not have civil power, prior art solutions has, and first kind of scheme set up supply line for application electric company, and its shortcoming is to set up supply line's cost height, and the construction period is long, needs power supply department to cooperate, and differs and realizes smoothly surely.Second kind of scheme is for building electric power systems such as solar energy or wind energy.Its shortcoming is to take up an area of greatly, influenced greatly by the illumination of environment or air quantity, and large number quipments is placed with the field, stolen easily or damage, and influence surrounding enviroment.At the unsettled situation of civil power, prior art solutions is for increasing stabilized voltage power supply and backup power system.
At the unsettled situation of civil power, prior art solutions is for increasing stabilized voltage power supply and backup power system, the shortcoming of these methods is that large number quipments is placed with the field in addition because interruption duration is uncertain, and back-up source need be done more redundancy, consider rainwater, humidity, high temperature, the influence of harsh weather such as severe cold, and stolen easily or damage, and influence surrounding enviroment.
The utility model content
The purpose of this utility model is to provide a kind of base station of remote power feeding to extend covering system, this system has solved some websites and can not build base station extension covering system owing to there is civil power, and other websites cause the base station to extend the covering system job insecurity owing to situations such as commercial power supply instabilities and have influence on the network running quality problem of unstable.
In order to solve this technical problem, the utility model provides a kind of base station of remote power feeding to extend covering system, described remote electric power system comprises remote electric power system local side and remote electric power system far-end, the remote electric power system local side is transformed into suitable voltage with stable power and gives feed line, feed line gives certain distance outer remote electric power system far-end this power supply, and the remote electric power system far-end is brought the remote electric power system local side by feed line power conversion is to supply with the repeater behind the suitable power supply.
And provide a kind of base station that is used for remote power feeding to extend the local side apparatus of covering system, and it comprises: pwm control circuit and feedback sampling circuit thereof, and finish switching pulse according to the feedback signal of system load varies and control loop and transfer wide control; Power driving circuit receives the control impuls that pwm control circuit produces, and it is amplified the back promote back level bridge-type power conversion circuit; The bridge-type power conversion circuit is the power output stage of described local side apparatus; Current rectifying and wave filtering circuit is finished the rectification and the filtering of the high pressure P WM ripple of power output stage; The CPU control section is partly finished backup protection to PWM, and output state is indicated and exported fault warning in the mode of dry contact.
The utility model also provides a kind of base station that is used for remote power feeding to extend the remote equipment of covering system, and it comprises: filter circuit, interference of filtering circuit and clutter, when balanced load changes to the disturbance of power supply.Power drive, switch output, Fault Isolation circuit, the load equipment direct current power is provided, the short trouble that load end is occurred is protected and is isolated, and drags many far during for pattern for one, and other one can have power supply to continue smooth working in the time of can guaranteeing that the separate unit load is broken down; Overcurrent short-circuit protection testing circuit is finished the fault detect such as overcurrent, short circuit of load circuit.The switching regulator accessory power supply provides the working power of fault detect, buffer circuit, warning circuit.Alarm signal is sent in control and warning circuit, the output of dry contact fault-signal when short circuit or overload fault appear in load, and has CPU to participate in fault judgement and isolated controlling.
The utility model compared with prior art, its advantage mainly contain following some:
1. power supply is stable: make full use of the uninterrupted power supply of stable power such as base station machine room, can guarantee base station extension covering system steady operation, improve network running quality.
2. when adopting the feed optical cable, its inside includes feed line, need not apply for that power supply department sets up supply line, and project progress is fast, and construction cost is low
3. the far end system equipment of this base station extension covering system has only repeater far-end and two equipment of Remote Power Supply system far-end, and number of devices is few, takes up an area of to lack easy construction.
4. adopt power of computer room that the covering system power supply is extended in a plurality of base stations, be convenient to centralized management, control is convenient, and electricity metering is easy.
Description of drawings
Accompanying drawing 1 is to adopt the base station based on remote power feeding of optical fiber repeater to extend covering system;
Accompanying drawing 2 is to adopt the base station based on remote power feeding of wireless discharging-directly station to extend covering system;
Accompanying drawing 3 is to adopt the base station based on remote power feeding of trunk amplifier to extend covering system;
Accompanying drawing 4 is remote electric power system local side apparatus pie graphs;
Accompanying drawing 5 is remote electric power system remote equipment pie graphs.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As accompanying drawing 1, accompanying drawing 2, shown in the accompanying drawing 3, in order to solve the problems of the technologies described above and to be the shortcoming that overcomes prior art, technical solution adopted in the utility model comprises a kind of base station extension covering system of remote power feeding, described system comprises direct discharging station, remote electric power system and feed line, described remote electric power system comprises remote electric power system local side and remote electric power system far-end, direct discharging station can be various types of repeaters such as optical fiber repeater, wireless discharging-directly station and trunk amplifier etc., the remote electric power system local side is placed on the occasion such as the base station machine room of stabilized power supply, the remote electric power system local side is transformed into suitable voltage with the power supply of machine room stable power such as storage battery, for example boosts to 380V and transmits and give feed line.Feed line can be various electric power transfer media such as aluminum steel, copper core, radio frequency cable, extraordinary feed optical cable.Feed line gives certain distance outer remote electric power system far-end this power supply, the remote electric power system far-end is supplied with the repeater with power conversion after receiving the power supply of being brought by feed line by local side behind the power supply that is fit to the repeater use, just stable power has been delivered to by remote electric power system like this and need have been set up the website that covering system is extended in the base station, guaranteed the steady operation of direct discharging station.Thereby guaranteed network running quality.
Each component part of remote electric power system local side and annexation thereof as shown in Figure 4, the Action Specification of each functional part is as follows:
Input lightning protection circuit 1: may there be the induction lightening signal on the power input line road from the power distribution room to the equipment machine room, therefore the prime at remote electric power system increases one-level input lightning protection circuit, and this circuit may disturb absorption and bleed off to the earth to the hurtful thunder and lightning of equipment.
EMI filter circuit 2: this partial circuit is by the power supply input circuit other communication equipment to be caused interference for the harmonic wave that prevents to produce in the Switching Power Supply course of work.
Power soft starting circuit 3: for the impulse current that prevents electric power starting moment to the infringement that impacts of incoming line and 48V DC power system, also set up the power soft starting circuit useful life simultaneously for the input circuit components and parts that prevent this remote electric power system suffer big rush of current to influence device.
DC filter circuit 4: prevent that mainly the startup of load and the variation of bearing power from causing the fluctuation of input circuit voltage and increasing filter circuit at the corresponding levels.
Switching regulator accessory power supply 7: the internal electric source that parts such as pwm control circuit, input over under-voltage protection circuit, power soft starting circuit, CPU control mainly are provided.The purpose that increases accessory power supply be for the work of the control system of this power supply more safe and reliable.
Input over under-voltage protection circuit 8: this partial circuit act as the output of power cutoff when input voltage is too high or too low, and power supply is protected.
Pwm control circuit and feedback sampling circuit 9 thereof: this part is the core of this remote electric power system, finishes switching pulse according to the feedback signal of system load varies and control loop and transfers wide control, keeps stable thereby system can be exported.
The control impuls that power driving circuit 10:PWM control circuit produces gives this part to promote back level power conversion circuit through the back of amplifying at the corresponding levels.
Bridge-type power conversion circuit 5: this remote electric power system power output stage adopts full-bridge to promote circuit or half-bridge promotes circuit, has efficient height, characteristics that power headroom is big.
Current rectifying and wave filtering circuit 6: finish the rectification and the filtering of the high pressure P WM ripple of power output stage.
Overcurrent, short circuit, zero load, overload detection circuit 11: finish the fault detect such as overcurrent, short circuit, zero load, overload of load circuit; a detection signal part directly feeds back to the PWM control loop and regulates and protect, and a part send the cpu function control section to carry out backup protection.
Fault-signal output 12 is indicated, done to cpu function control, state: PWM is partly finished backup protection, make protection system more reliable and secure; Output state is indicated, simultaneously with the fault that occurs mode outputting alarm with dry contact.
Output lightning protection circuit 13: prevent far the infringement that the induction lightening for circuit may cause this power module.
Each component part of remote electric power system far-end and annexation thereof as shown in Figure 5, the Action Specification of each functional part is as follows:
Far-end input lightning protection circuit 21: prevent far the infringement that the induction lightening for circuit may cause power supply unit, this partial design lightning protection is the 8KA grade.
Filter circuit 22: when interference of filtering circuit and clutter, balanced load change to the disturbance of power supply.
Power drive, switch output, Fault Isolation circuit 23: the load equipment direct current power is provided; the short trouble that load end is occurred is protected and is isolated; drag many far during for pattern for one, other one can have power supply to continue smooth working in the time of can guaranteeing that the separate unit load is broken down.
Overcurrent short-circuit protection testing circuit 25: finish the fault detect such as overcurrent, short circuit of load circuit.
Switching regulator accessory power supply 24: the working power that fault detect, buffer circuit, warning circuit are provided.
Control and warning circuit, dry contact fault-signal output 26: send alarm signal when short circuit or overload fault appear in load, this part has CPU to participate in fault judgement and isolated controlling.
Claims (9)
1, covering system is extended in a kind of base station of remote power feeding, and described system comprises:
Direct discharging station, remote electric power system and feed line,
Described remote electric power system comprises remote electric power system local side and remote electric power system far-end, the remote electric power system local side is transformed into suitable voltage with stable power, and being sent to the remote electric power system far-end by feed line, the remote electric power system far-end is adjusted this power supply and is supplied with the repeater.
2, covering system is extended in the base station of remote power feeding as claimed in claim 1, and one of them remote electric power system local side can provide feed to two or more remote electric power system far-ends.
3, covering system is extended in the base station of remote power feeding as claimed in claim 1 or 2, and wherein said direct discharging station can adopt active covering systems such as optical fiber repeater, wireless discharging-directly station and trunk amplifier.
4, covering system is extended in the base station of remote power feeding as claimed in claim 1 or 2, and wherein said remote electric power system local side is placed in the base station machine room, adopts the uninterrupted power supply of power of computer room to power.
5, covering system is extended in the base station of remote power feeding as claimed in claim 1, and wherein said remote electric power system local side apparatus comprises:
Pwm control circuit and feedback sampling circuit thereof are finished switching pulse according to the feedback signal of system load varies and control loop and are transferred wide control;
Power driving circuit receives the control impuls that pwm control circuit produces, and it is amplified the back promote back level bridge-type power conversion circuit;
The bridge-type power conversion circuit is the power output stage of described local side apparatus;
Current rectifying and wave filtering circuit is finished the rectification and the filtering of the high pressure P WM ripple of power output stage;
The CPU control assembly is partly finished backup protection to PWM, and output state is indicated and exported fault warning in the mode of dry contact.
6, covering system is extended in the base station of remote power feeding as claimed in claim 5, and wherein said remote electric power system local side apparatus also comprises:
Input lightning protection circuit, output lightning protection circuit;
The EMI filter circuit prevents that the harmonic wave that produces in the Switching Power Supply course of work from causing interference by the power supply input circuit to other communication equipment;
The power soft starting circuit, the impulse current that prevents electric power starting moment is to the infringement that impacts of incoming line and 48V DC power system;
The DC filter circuit, the variation that prevents the startup of load and bearing power causes the fluctuation of input circuit voltage;
The switching regulator accessory power supply provides internal electric sources partly such as pwm control circuit, the protection of input overvoltage/undervoltage, power soft starting circuit, CPU control;
The input over under-voltage protection circuit, the output of power cutoff when input voltage is too high or too low;
Overcurrent, short circuit, zero load, overload detection circuit; finish the fault detect such as overcurrent, short circuit, zero load, overload of load circuit; a detection signal part directly feeds back to the PWM control loop and regulates and protect, and a part send the cpu function control section to carry out backup protection.
7, covering system is extended in the base station of remote power feeding as claimed in claim 1, and wherein said remote electric power system remote equipment comprises:
Filter circuit, when interference of filtering circuit and clutter, balanced load change to the disturbance of power supply;
Power drive, switch output, Fault Isolation circuit, the load equipment direct current power is provided, the short trouble that load end is occurred is protected and is isolated, and drags many far during for pattern for one, and other one can have power supply to continue smooth working in the time of can guaranteeing that the separate unit load is broken down;
Overcurrent short-circuit protection testing circuit is finished the fault detect such as overcurrent, short circuit of load circuit;
The switching regulator accessory power supply provides the working power of fault detect, buffer circuit, warning circuit;
Alarm signal is sent in control and warning circuit, the output of dry contact fault-signal when short circuit or overload fault appear in load, and has CPU to participate in fault judgement and isolated controlling.
8, covering system is extended in the base station of remote power feeding as claimed in claim 7, and wherein said remote electric power system remote equipment also comprises:
Far-end input lightning protection circuit prevents far the infringement that the induction lightening for circuit may cause power supply unit.
9, covering system is extended in the base station of remote power feeding as claimed in claim 1, and wherein said feed line can be aluminum steel, copper core, radio frequency cable, extraordinary feed optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202002317U CN201312309Y (en) | 2008-09-08 | 2008-09-08 | Base station coverage extension system based on remote power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202002317U CN201312309Y (en) | 2008-09-08 | 2008-09-08 | Base station coverage extension system based on remote power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312309Y true CN201312309Y (en) | 2009-09-16 |
Family
ID=41109564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202002317U Expired - Lifetime CN201312309Y (en) | 2008-09-08 | 2008-09-08 | Base station coverage extension system based on remote power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312309Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951284A (en) * | 2010-10-12 | 2011-01-19 | 奥维通信股份有限公司 | Remote power supply system for repeater |
| WO2014094274A1 (en) * | 2012-12-20 | 2014-06-26 | 华为技术有限公司 | Base station |
| CN106451825A (en) * | 2016-09-28 | 2017-02-22 | 南京奥依菲光电科技有限公司 | Optical fiber remote end power supply system with safety protection device and implementation method of optical fiber remote end power supply system |
| CN108777016A (en) * | 2018-06-10 | 2018-11-09 | 北京盟力星科技有限公司 | A kind of special wiring installation security technology guard system |
| CN115882592A (en) * | 2023-02-13 | 2023-03-31 | 中国铁塔股份有限公司 | Remote power supply system |
-
2008
- 2008-09-08 CN CNU2008202002317U patent/CN201312309Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951284A (en) * | 2010-10-12 | 2011-01-19 | 奥维通信股份有限公司 | Remote power supply system for repeater |
| WO2014094274A1 (en) * | 2012-12-20 | 2014-06-26 | 华为技术有限公司 | Base station |
| CN106451825A (en) * | 2016-09-28 | 2017-02-22 | 南京奥依菲光电科技有限公司 | Optical fiber remote end power supply system with safety protection device and implementation method of optical fiber remote end power supply system |
| CN108777016A (en) * | 2018-06-10 | 2018-11-09 | 北京盟力星科技有限公司 | A kind of special wiring installation security technology guard system |
| CN115882592A (en) * | 2023-02-13 | 2023-03-31 | 中国铁塔股份有限公司 | Remote power supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201312309Y (en) | Base station coverage extension system based on remote power supply | |
| CN105656018B (en) | Central office terminal's electric power system and method are exchanged applied to highway direct-current remote feeding power | |
| CN201993890U (en) | Wind-solar hybrid early warning issuing terminal | |
| CN102710011B (en) | A kind of uninterrupted power supply POE device | |
| CN103166726B (en) | Integral broadcast early warning device based on wireless communication, broadcast early warning system and host | |
| CN102545299B (en) | Solar photovoltaic power generation system and power supply method for communication | |
| CN202929154U (en) | Line fault indicator and a line fault online monitoring system | |
| CN211063537U (en) | Direct-current remote power supply for long-distance tunnel | |
| CN203824589U (en) | Landslide emergency monitoring system | |
| CN202634059U (en) | Uninterruptible power supply POE (Power Over Ethernet) device | |
| CN209119812U (en) | DC energy storage backup power supply with peak load shifting function | |
| CN204258440U (en) | Low pressure blackouts monitoring terminal | |
| CN212486203U (en) | Monitoring control system for power supply system of weather radar station | |
| CN216216890U (en) | Mobile wireless data relay device | |
| CN102316304A (en) | Solar wireless monitoring system | |
| CN201877895U (en) | Remote power supply system of repeater | |
| CN205135073U (en) | Compound light pole | |
| CN210517797U (en) | Distribution compensation integrated device based on distribution station and distribution station | |
| CN202395493U (en) | High-frequency high-voltage DC (direct current) remote supply device | |
| CN203279287U (en) | Intelligent solar aviation obstacle lamp system | |
| CN202102663U (en) | Wind-solar hybrid display system | |
| CN103940472A (en) | Landslide emergency monitoring system | |
| CN202798151U (en) | Lead-dynamic capacity-increasing system based on RF transmission | |
| CN101951284A (en) | Remote power supply system for repeater | |
| CN112531714A (en) | 5G micro base station-oriented alternating current and direct current hybrid power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
|
| CX01 | Expiry of patent term |