CN103915846A - Power-saving and intelligent power distribution device for base station - Google Patents
Power-saving and intelligent power distribution device for base station Download PDFInfo
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- CN103915846A CN103915846A CN201410153955.0A CN201410153955A CN103915846A CN 103915846 A CN103915846 A CN 103915846A CN 201410153955 A CN201410153955 A CN 201410153955A CN 103915846 A CN103915846 A CN 103915846A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The invention relates to a power-saving and intelligent power distribution device for a base station. The power-saving and intelligent power distribution device comprises a power switching unit, a voltage regulation unit, a power distribution unit, a phase sequence adjustment unit and a control unit. The control unit is used for controlling the power switching unit to select either a mains supply or a generator power supply to supply power to the voltage regulation unit according to the voltage state of the mains supply and the voltage state of the generator power supply, used for controlling output voltage of the output end of the voltage regulation unit according to a voltage amplitude value of the input end of the voltage regulation unit and used for controlling an output phase sequence of the output end of the phase sequence adjustment unit according to the phase sequence state of the output end of the voltage regulation unit. According to the power-saving and intelligent power distribution device for the base station, on the basis of guaranteeing power generation requirements of the base station, the supply voltage of the base station is dynamically regulated, tail-end neutral point drift is restrained, the start peak current of power-consuming equipment is reduced, and therefore overall power saving of the base station is achieved.
Description
Technical field
The present invention relates to power distribution equipment.
Background technology
At present base station number numerous, distribute wide, website environmental difference is large and unattended operation, causes base station power supply safety and maintenance work not only to work numerous and diverse and difficulty is large, has increased greatly the O&M cost of base station power.
In communication base station equipment, due to the use of a large amount of Switching Power Supplies, make all to exist a large amount of harmonic waves in certain using electricity system region or whole using electricity system, add daily system electricity consumption configuration and have irrationality, make the serious imbalance of the disorderly and unsystematic and three-phase current of the whole circuit network structure of using electricity system.These above factors, cause and seriously reduce by electric line service efficiency, and the reduction of circuit service efficiency will affect its load capacity, also can affect the service efficiency of use electric loading.Meanwhile, the unstable especially higher voltage of line voltage not only causes equipment heating amount to strengthen, and has also shortened the useful life of equipment, has increased the failure rate of equipment.And larger caloric value has also caused the operating load of air conditioner in machine room to strengthen, this has further increased the waste of electric energy.
Because of the technology limitation of existing base station power distribution equipment, be unclear to the actual electricity consumption situation in base station, not in time to the management of power use one of base station; The 2nd, can not detect in real time power quality and the accumulator quality of each base station.These Detection tasks mainly rely on manually and complete, and cause the problems such as operating cost is high, control real-time is poor.
The power distribution equipment of base station is often only realized simple distributing function at present, and wiring error and fault that distribution load is occurred, do not have alarm and error correcting capability.
Summary of the invention
The object of the invention is to propose a kind of energy-conservation and Intelligent power distribution device for base station, it can solve the irrational problem of power supply.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
For an energy-conservation and Intelligent power distribution device for base station, it comprises power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit; The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The output of described pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
Described control unit, for according to the voltage status of mains supply and generator power supply, controlling power conversion unit, to select the wherein one in mains supply and generator power supply be the power supply of pressure regulation unit; For according to the voltage magnitude of the input of pressure regulation unit, control the output voltage of the output of pressure regulation unit; For according to the phase sequence state of the output of pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.
Preferably, described power conversion unit comprises the normally opened contact of the first relay and the normally opened contact of the second relay, mains supply is connected with the input of pressure regulation unit by the normally opened contact of the first relay, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact of the second relay;
Described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact of the normally opened contact of the 4th relay and the 5th relay, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises that an A holds mutually, the 2nd A holds mutually, B holds mutually, C holds and zero line side mutually, the one A holds mutually by the 4th normally opened contact of relay and the input of power supply unit and is connected, the 2nd A holds mutually by the 5th normally opened contact of relay and the input of power supply unit and is connected, B holds mutually, C holds mutually with zero line side and is all directly connected with the input of power supply unit,
Described phase sequence adjustment unit comprises the normally opened contact of the 6th relay and the normally opened contact of the 7th relay, the output of pressure regulation unit is connected with power supply unit by the normally opened contact of the 6th relay, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact of the 6th relay, the output of pressure regulation unit is different by the phase sequence of the normally opened contact of the 6th relay and the output of the normally opened contact of the 7th relay;
Described control unit comprises signal acquisition module, central processing module, protection control output module, supply module, the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay; Supply module provides operating voltage for control unit; Signal acquisition module is used for the signal of telecommunication of the input, the input of pressure regulation unit and the output of pressure regulation unit that gather power conversion unit; Central processing module is used for judging according to the described signal of telecommunication voltage status, the voltage magnitude of input of pressure regulation unit and the phase sequence state of the output of pressure regulation unit of mains supply and generator power supply, and by the operating state of described protection control output module control the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay.
Further preferred, described pressure regulation unit also comprises the normally opened contact of the 3rd relay, and the output of power conversion unit is connected by the 3rd normally opened contact of relay and the input of power supply unit; Described control unit also comprises the 3rd relay, and described central processing module is also controlled the operating state of output module control the 3rd relay by protection.
Further preferred, described control unit also comprises human-computer interaction module, time module and communication module, and human-computer interaction module, time module and communication module are all connected with central processing module; Communication module is for being connected with monitoring network.
The present invention has following beneficial effect:
Guaranteeing on the basis of base station distribution demand, by dynamic adjustments base station supply power voltage, suppressing end neutral point drifting, reducing the startup peak current of power consumption equipment, realizing the entirety economize on electricity of base station; Realize the real-time monitoring of base station distribution and electricity consumption, and utilize existing rotating ring monitoring network system, realize the remote monitoring of base station distribution.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of the energy-conservation and Intelligent power distribution device for base station of preferred embodiment of the present invention;
Fig. 2 is the circuit diagram of the power conversion unit of Fig. 1;
Fig. 3 is the circuit diagram of the pressure regulation unit of Fig. 1;
Fig. 4 is the circuit diagram of the phase sequence adjustment unit of Fig. 1;
Fig. 5 is the circuit diagram of the control unit of Fig. 1.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further.
As shown in Figures 1 to 5, a kind of energy-conservation and Intelligent power distribution device for base station, it comprises power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit.
The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The output of described pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
Wherein, described control unit, for according to the voltage status of mains supply and generator power supply, controlling power conversion unit, to select the wherein one in mains supply and generator power supply be the power supply of pressure regulation unit; For according to the voltage magnitude of the input of pressure regulation unit, control the output voltage of the output of pressure regulation unit; For according to the phase sequence state of the output of pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.
Concrete, described power conversion unit comprises the normally opened contact KM1 of the first relay J 1 and the normally opened contact KM2 of the second relay J 2, mains supply is connected with the input of pressure regulation unit by the normally opened contact KM1 of the first relay J 1, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact KM2 of the second relay J 2.Because mains supply and generator power supply are alternating current, therefore, there is A, B, C three-phase, normally opened contact KM1 and normally opened contact KM2 are three-phase ganged control.Normally opened contact KM1 forms the first action module, and normally opened contact KM2 forms the second action module.
Described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact KM3 of the 3rd relay J 3, the normally opened contact KM4 of the 4th relay J 4, the normally opened contact KM5 of the 5th relay J 5, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises that an A holds mutually, the 2nd A holds mutually, B holds mutually, C holds and zero line side mutually, the one A holds mutually by the normally opened contact KM4 of the 4th relay J 4 and is connected with the input of power supply unit, the 2nd A holds mutually by the normally opened contact KM5 of the 5th relay J 5 and is connected with the input of power supply unit, B holds mutually, C holds mutually with zero line side and is all directly connected with the input of power supply unit, the output of power conversion unit is connected with the input of power supply unit by the normally opened contact KM3 of the 3rd relay J 3.Normally opened contact KM3 forms bypass module.
Described phase sequence adjustment unit comprises the normally opened contact KM6 of the 6th relay J 6 and the normally opened contact KM7 of the 7th relay J 7, the output of pressure regulation unit is connected with power supply unit by the normally opened contact KM6 of the 6th relay J 6, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact KM6 of the 6th relay J 6, the output of pressure regulation unit is different by the phase sequence of the normally opened contact KM6 of the 6th relay J 6 and the normally opened contact KM7 of the 7th relay J 7 output.Concrete connected mode is, the A phase of pressure regulation unit, B phase, C are connected with C phase, B phase, the A of AC electric appliance respectively by normally opened contact KM6, and the A phase of pressure regulation unit, B phase, C are connected with A phase, B phase, the C of AC electric appliance respectively by normally opened contact KM7.
Described control unit comprises signal acquisition module, central processing module, protection control output module, supply module, the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay, the 7th relay, human-computer interaction module, time module and communication module; Supply module provides operating voltage for control unit; Signal acquisition module is used for the signal of telecommunication of the input, the input of pressure regulation unit and the output of pressure regulation unit that gather power conversion unit; Central processing module is used for judging according to the described signal of telecommunication voltage status, the voltage magnitude of input of pressure regulation unit and the phase sequence state of the output of pressure regulation unit of mains supply and generator power supply, and by the operating state of described protection control output module control the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay.Human-computer interaction module, time module and communication module are all connected with central processing module; Communication module is for being connected with monitoring network, and communication module is connected with rotating ring monitoring network system by monitoring network.Signal acquisition module is multiple voltage transformers (PT) and multiple current transformer (CT).Human-computer interaction module is for the communication between central processing module and man-machine display control panel; Time module adopts PCF8583 clock chip, by specialized lithium powered battery, for timing signal is provided; Power module adopt 85V ~ 265V input power of alterating and direct current or-48V DC power supply.Central processing module adopts the microcontroller chip STM32F103VCT6 of ST Microelectronics.
In figure, QF1 to QF13 is common electric switch.The control coil that KM1 ' is corresponding relay to KM7 '.
Below, with concrete application case, the present embodiment is described.The direct-flow current consumer of the present embodiment is direct current cabinet, and AC electric appliance is air-conditioning.
Shown in Fig. 5 and Fig. 2, when generator power supply supply power voltage is normal, normally opened contact KM2 disconnects, normally opened contact KM1 closure, and output busbar voltage is normal, when occurring in output busbar voltage situation with no pressure, through certain time delay, the first relay J 1, second relay J 2 of protection output control module are sent control command, disconnect the corresponding normally opened contact KM1 of mains supply, the corresponding normally opened contact KM2 of closed generator power supply, generator power supply puts into operation; Or; when mains voltage is normal; the corresponding normally opened contact KM1 of mains supply disconnects, the corresponding normally opened relay KM2 of Generator power supply closure, and output busbar voltage is normal; when occurring in output busbar voltage situation with no pressure; through certain time delay, the first relay J 1, second relay J 2 of protection output control module are sent control command, disconnect the corresponding normally opened contact KM2 of generator power supply; the corresponding normally opened contact KM1 of closed mains supply, mains supply puts into operation.
Shown in Fig. 5 and Fig. 3, control unit carrys out reasonable regulation output voltage according to the size of the amplitude of transformer primary voltage.In the time that power supply inlet wire three-phase voltage U is all less than 205V, the 3rd relay J 3 of protection output control module is sent control command, and the normally opened contact KM3 action of bypass module by transformer short-circuit, thereby makes equipment in the directly running status of power supply of incoming power.When power supply inlet wire three-phase voltage all between 205V between 230V time, the 4th relay J 4, the 5th relay J 5 of protection output control module are sent control command group, the normally opened contact KM4 of voltage regulating module exports transformer pressure-reducing, the range of decrease of output voltage is 15V, thereby makes equipment in the first economize on electricity running status; In the time that power supply inlet wire three-phase voltage is all greater than 230V; the 4th relay J 4, the 5th relay J 5 of protection output control module are sent control command group; the normally opened contact KM5 of voltage regulating module exports transformer pressure-reducing; the range of decrease of output voltage is 20V, thereby makes equipment in the second economize on electricity running status.In the time detecting that power transformation device breaks down, the 3rd relay J 3 of protection output control module is sent control command, and the normally opened contact KM3 action of bypass module by transformer short-circuit, thereby makes equipment in the directly running status of power supply of incoming power.
Shown in Fig. 5 and Fig. 4, whether control unit normally sends control command automatically according to phase sequence is carried out phase sequence correction.In the time that voltage phase sequence is normal, protection is controlled the 7th relay J 7 of output module and is sent control command, normally opened contact KM7 closure, power supply normal power supply; In the time that voltage phase sequence is abnormal, protection is controlled the 6th relay J 6, the 7th relay J 7 of output module and is sent control command group, and normally opened contact KM7 disconnects, normally opened contact KM6 closure, thus realize the automatic adjustment of phase sequence incorrect order.
The advantage of the present embodiment is as follows:
(1) according to monitoring base station primary voltage amplitude size, the output gear of dynamic voltage adjustment unit, reach and stablize base station supply power voltage, balance voltage between phases, suppress point drift in end, reduce neutral phase current, improve fail safe and the durability of base station power consumption equipment and distribution line, realize base station electricity saving.
(2) by the electric parameter in the loops such as control unit Real-Time Monitoring base station inlet wire, generator, air-conditioning and direct current cabinet, network with the existing rotating ring monitoring network system in base station by the RS485 fieldindustrybus (communication module) of control unit again, the various measured values of transmitted in both directions and instruction, realize the remote monitoring of base station distribution.
(3) have or not 220V voltage by control unit and the input of power conversion unit Real-Time Monitoring civil power; controlled closure and the disconnection of output module control the first action module and the second action module by protection; and guarantee two action module interlockings, realize the automatic switchover of duplicate supply.
(4), by analyzing the electric parameter in each loop, alarm, protection and action parameter that relatively user sets, by control unit control phase sequence adjustment unit, realize alarm, protection or phase sequence automatic calibration to the reliable electricity consumption of each power consumption equipment.
(5), by power supply unit, realize and comprise air-conditioning, direct current cabinet and the various distributing function with electrical socket etc.
for a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection range of the claims in the present invention within.
Claims (4)
1.
for an energy-conservation and Intelligent power distribution device for base station, it is characterized in that, comprise power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit; The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The output of described pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
described control unit, for according to the voltage status of mains supply and generator power supply, controlling power conversion unit, to select the wherein one in mains supply and generator power supply be the power supply of pressure regulation unit; For according to the voltage magnitude of the input of pressure regulation unit, control the output voltage of the output of pressure regulation unit; For according to the phase sequence state of the output of pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.
2.
energy-conservation and Intelligent power distribution device for base station as claimed in claim 1, it is characterized in that, described power conversion unit comprises the normally opened contact of the first relay and the normally opened contact of the second relay, mains supply is connected with the input of pressure regulation unit by the normally opened contact of the first relay, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact of the second relay;
described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact of the normally opened contact of the 4th relay and the 5th relay, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises that an A holds mutually, the 2nd A holds mutually, B holds mutually, C holds and zero line side mutually, the one A holds mutually by the 4th normally opened contact of relay and the input of power supply unit and is connected, the 2nd A holds mutually by the 5th normally opened contact of relay and the input of power supply unit and is connected, B holds mutually, C holds mutually with zero line side and is all directly connected with the input of power supply unit,
described phase sequence adjustment unit comprises the normally opened contact of the 6th relay and the normally opened contact of the 7th relay, the output of pressure regulation unit is connected with power supply unit by the normally opened contact of the 6th relay, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact of the 6th relay, the output of pressure regulation unit is different by the phase sequence of the normally opened contact of the 6th relay and the output of the normally opened contact of the 7th relay;
described control unit comprises signal acquisition module, central processing module, protection control output module, supply module, the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay; Supply module provides operating voltage for control unit; Signal acquisition module is used for the signal of telecommunication of the input, the input of pressure regulation unit and the output of pressure regulation unit that gather power conversion unit; Central processing module is used for judging according to the described signal of telecommunication voltage status, the voltage magnitude of input of pressure regulation unit and the phase sequence state of the output of pressure regulation unit of mains supply and generator power supply, and by the operating state of described protection control output module control the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay.
3.
energy-conservation and Intelligent power distribution device for base station as claimed in claim 2, it is characterized in that, described pressure regulation unit also comprises the normally opened contact of the 3rd relay, and the output of power conversion unit is connected by the 3rd normally opened contact of relay and the input of power supply unit; Described control unit also comprises the 3rd relay, and described central processing module is also controlled the operating state of output module control the 3rd relay by protection.
4.
energy-conservation and Intelligent power distribution device for base station as claimed in claim 2, it is characterized in that, described control unit also comprises human-computer interaction module, time module and communication module, and human-computer interaction module, time module and communication module are all connected with central processing module; Communication module is for being connected with monitoring network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410153955.0A CN103915846B (en) | 2014-04-16 | 2014-04-16 | A kind of for the energy-conservation of base station and Intelligent power distribution device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410153955.0A CN103915846B (en) | 2014-04-16 | 2014-04-16 | A kind of for the energy-conservation of base station and Intelligent power distribution device |
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| CN103915846A true CN103915846A (en) | 2014-07-09 |
| CN103915846B CN103915846B (en) | 2016-03-09 |
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| CN112217211A (en) * | 2020-10-31 | 2021-01-12 | 青岛百腾通信技术工程有限公司 | 5G communication base station capable of reducing cost and control method thereof |
| CN112243165A (en) * | 2020-10-31 | 2021-01-19 | 青岛百腾通信技术工程有限公司 | Stable 5G communication base station and control method thereof |
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| CN103915846B (en) | 2016-03-09 |
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