CN208337178U - Communication base station power supply ensures and electricity charge Optimal Control System - Google Patents
Communication base station power supply ensures and electricity charge Optimal Control System Download PDFInfo
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- CN208337178U CN208337178U CN201820150136.4U CN201820150136U CN208337178U CN 208337178 U CN208337178 U CN 208337178U CN 201820150136 U CN201820150136 U CN 201820150136U CN 208337178 U CN208337178 U CN 208337178U
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Abstract
The utility model provides a kind of power supply of communication base station and ensures and electricity charge Optimal Control System, including new energy unit, rectification module, energy-storage units, load of base station, DC load, two-way kilowatt-hour meter, air-conditioning, intelligent power distribution unit, central controller, DC bus, it is acted on by the energy storage of energy-storage units, in conjunction with the electricity price section of different time, the electric energy that new energy unit is issued carries out temporal translation, and it is controlled air-conditioning as translatable load, only mains-supplied is utilized in electricity price low-valley interval, the electric energy issued feedback grid when being more than loading demand, the electricity charge and operation cost of communication base station are saved for the concrete condition of the overall cost actually occurred during the operation and maintenance of base station.
Description
Technical field
The utility model relates to a kind of communication base station power supply guarantee and electricity charge Optimal Control Systems, belong to mobile communication base station
With technical field of new energy power generation.
Background technique
Analysis according to market survey, power supply system used in communication base station is mostly the alternating current that power grid provides at present, is passed through
Rectification and DC/DC transformation are that Switching Power Supply is powered to communication module.With being gradually increased for energy-saving and emission-reduction dynamics, communication base station
Energy-saving and emission-reduction are increasingly subject to the attention of people, and Standalone Hybrid Wind/pv Power Systems have played very important work in this field
With.The sun is the main source of the energy on the earth, shines upon every a piece of soil of the earth.Wind energy is solar energy in earth table
Another form of expression in face, since the different shape (such as sandy soil ground, vegetation ground and the water surface) of earth surface is to the sun
The heat absorption coefficient of illumination is different, forms the temperature difference at the earth's surface, the temperature of earth's surface air is differently formed cross-ventilation and generates wind
Energy.Therefore, solar energy and wind energy naturally have very strong complementarity in time and geographically.Solar energy and wind energy are in time
Complementarity make wind and solar hybrid generating system in resource have optimal matching, wind and solar hybrid generating system is resources supplIes
Preferable autonomous power supply system.Therefore honourable mains hybrid electricity generation system has good replicability.
But this power supply mode is there are many problems because wind energy and solar energy be all it is highly unstable, in order to mention
High power supply reliability, it is necessary to the rated capacity of the generating equipment that breezes up and solar battery, while also to increase battery
Capacity.Even if in this way, in extreme circumstances, such as still not can guarantee the stabilization of power supply under cloudy calm condition for a long time
With it is reliable.
In order to which communication base station energy-saving emission reduction index is better achieved, while guaranteeing the reliable and stable operation of system, new energy
It comes into being with mains hybrid power supply system.Communication base station existing equipment can be made full use of to realize the efficient of clean energy resource in this way
It utilizes, simultaneously because electricity shortage caused by alternating current can be avoided the problem that reliably because of meteorological condition, either wind-power electricity generation
The capacity of system, solar power system or energy storage device can be greatly lowered.In practical application, need excellent
First with clean energy resource, only alternating current is automatically replenished when clean energy resource is not enough to supply, and realizes a kind of adaptation power supply,
And it can be transported to power grid with direction when clean energy resource institute's generated energy is higher than load electricity consumption, while energy-saving and emission-reduction, drop
Low cost creates income.Mobile communication base station most important cost during operation is exactly the electricity charge.
Chinese patent 201710743433.X discloses a kind of smooth storing cogeneration system, including photovoltaic devices and energy storage dress
It sets；Photovoltaic devices connect power grid, are delivered to power grid for converting solar energy into alternating current identical with mains frequency and phase；
Energy storage device connects power grid, has charge mode and discharge mode；When energy storage device is in charge mode, energy storage device is from electricity
Alternating current is obtained in net, and the alternating current of power grid is converted into direct current and is stored；When energy storage device is in discharge mode,
The direct current that itself is stored is converted to alternating current identical with mains frequency and phase by energy storage device, is delivered to power grid；Energy storage
Device is also connected with photovoltaic devices, is monitored for the working condition to photovoltaic devices and power grid, is switched according to monitored results
The operating mode of itself.The system can cooperate power grid to generate electricity together in peak times of power consumption, to power grid conveying and mains frequency, phase
The electric energy of power grid, is stored in energy storage device in the electricity consumption paddy phase, reaches smooth photovoltaic output power, peak clipping by the identical electric energy in position
Valley-fill purpose guarantees power grid operation and for coulomb balance.Wherein energy storage device can also track power load situation, guarantee
Electric power is less than maximum demand, realizes demand charge management.The load electricity consumption of mobile communication base station fluctuates very little, so only
It is only that demand charge management is carried out according to electricity consumption, effect is limited, and the peak load shifting of network load cannot be to movement
Base station itself load is translated, therefore to save the operating cost of mobile base station, or as other users in order to reduce electricity
Take, it is necessary to which more realistic control system and control strategy realize the target of this reduction electricity charge.
Utility model content
The utility model in view of the defects existing in the prior art, proposes a kind of power supply of communication base station and ensures and electricity charge optimization
Control system reduces the angle of operation cost of enterprises from mobile communication base station energy efficiency, using innovative technology, for base
The concrete condition for the overall cost that operation and maintenance of standing actually occur in the process proposes to build using existing steel tower base station Roof Resources
If the supply project that communication base station is combined with new energy, communication base station operation expense is reduced to reach, improves comprehensive receive
Benefit preferably guarantees the stable operation of communication base station low cost.
The technical solution that the utility model is taken are as follows:
Communication base station power supply ensures and electricity charge Optimal Control System, including new energy unit, rectification module, energy storage list
Member, load of base station, DC load, two-way kilowatt-hour meter, air-conditioning, intelligent power distribution unit, central controller, DC bus, pass through storage
The energy storage effect of energy unit, in conjunction with the electricity price section of different time, the electric energy that new energy unit is issued carries out the time
On translation, and using air-conditioning as it is translatable load be controlled, only electricity price low-valley interval utilize mains-supplied, issued
Electric energy be more than loading demand when feedback grid, save the electricity charge and operation cost of communication base station；The new energy list
Member, rectification module, two-way kilowatt-hour meter, air-conditioning are electrically connected with intelligent power distribution unit, and the rectification module other end passes through electrical connection connection
On DC bus, DC bus is energy-storage units, load of base station, DC load provide electric energy.
The energy-storage units include lithium battery, lithium battery reversible controller, base station lead-acid accumulator；The central controller
It is two-way by signal wire and new energy unit, intelligent power distribution unit, rectification module, lithium battery containing digital processing chip
Controller, air-conditioning, base station lead-acid accumulator, load of base station, DC load connection, real time monitoring new energy unit, rectification
Module, lithium battery, air-conditioning, load of base station, DC load and base station lead-acid accumulator working condition；The new energy list
Member includes solar components, blower, solar controller, wind energy controller, kilowatt-hour meter, solar components and solar controller
Electrical connection, blower are electrically connected with wind energy controller, and solar controller and wind energy controller pass through kilowatt-hour meter and intelligent power distribution list
Member connection.
The intelligent power distribution unit includes No.1 solid-state power controller, No. two solid-state power controllers, No. three solid-state function
Rate controller, No. four solid-state power controllers, ac bus, solid-state power controller are electrically connected with ac bus, are controlled with center
Device processed realizes the optimization power supply and distribution of various energy resources together；The solar controller of new energy unit, wind energy controller pass through
Kilowatt-hour meter and No.1 solid-state power controller access ac bus, and alternating current passes through two-way kilowatt-hour meter and No. two solid-state power controllers
Ac bus is accessed, air-conditioning, rectification module pass through No. three solid-state power controllers, No. four solid-state power controllers respectively and exchange
Bus is connected.
The lithium battery reversible controller is two-way DC/DC converter；The rectification module band power factor correction list
Member.
The DC bus and rectification module, lithium battery reversible controller, load of base station, DC load, base station plumbic acid store
Battery is connected, and lithium battery leads to lithium battery reversible controller and is connected on DC bus, carries out electric energy translation control, and base station plumbic acid stores
Battery is used for backup power supply, rectification module only in alternating current off-peak electricity price period using alternating current to DC bus powered.
The energy-storage units cascade utilization lithium battery carries out main electric energy translation control, further decrease base station construction at
This, base station lead-acid accumulator is usually operated at floating charge state, battery life is improved, only under emergency conditions by base station lead acid storage battery
Pond powers to important load.
The beneficial effects of the utility model are:
It is acted on by the energy storage of energy-storage units, in conjunction with the electricity price section of different time, wind energy and solar energy is issued
Electric energy carries out temporal translation, and is controlled base station air conditioner as translatable load, only in electricity price low-valley interval benefit
With mains-supplied, the electric energy issued feedback grid when being more than loading demand saves the electricity charge and operation cost of communication base station；
Cascade utilization lithium battery carries out main charge and discharge control, and cascade utilization lithium battery refers to that Vehicular dynamic battery is arrived in capacity attenuation
After 80% or less, the battery for scenes such as communication base station standby electricity, energy storage can further decrease base station cost, and base station plumbic acid stores
Battery is usually operated at floating charge state, improves battery life, only under emergency conditions from base station lead-acid accumulator to important load
Power supply；Using air-conditioning as translatable load, most air conditioning electricity consumption is placed on off-peak electricity price period, reduces the electricity charge, saves logical
Believe base station operation cost；It is powered using new energy unit to load of base station when honourable condition is preferable, the output of new energy unit
When electric energy is unable to satisfy load of base station requirement, insufficient electric energy part is provided to load by power grid, wherein new energy is as excellent
First power supply energy, scene and mains hybrid control need automatic adjusument, and seamlessly transit.
Detailed description of the invention
Fig. 1 is communication base station power supply guarantee and electricity charge Optimal Control System structural schematic diagram in the utility model；
Fig. 2 is lithium battery reversible controller structural schematic diagram in the utility model；
Fig. 3 is rectification unit structural schematic diagram in the utility model；
Fig. 4 is intelligent power distribution cellular construction schematic diagram in the utility model；
Fig. 5 is that solar power generation in the utility model, base station meet and electricity price relation curve；
In attached drawing, component representated by each label: 1, new energy unit, 2, rectification module, 3, energy-storage units, 4, base
Stand load, 5, DC load, 6, two-way kilowatt-hour meter, 7, air-conditioning, 8, intelligent power distribution unit, 9, central controller, 10, direct current it is female
Line, 11, lithium battery, 12, lithium battery reversible controller, 13, base station lead-acid accumulator, 14, signal wire, 15, solar components,
16, blower, 17, solar controller, 18, wind energy controller, 19, kilowatt-hour meter, 20, No.1 solid-state power controller, 21, No. two
Solid-state power controller, 22, No. three solid-state power controllers, 23, No. four solid-state power controllers, 24 ac bus, 25 power
Factor correcting unit.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Fig. 1 is communication base station power supply guarantee and electricity charge Optimal Control System structural schematic diagram, mainly includes new energy
Unit 1, rectification module 2, energy-storage units 3, load of base station 4, DC load 5, two-way kilowatt-hour meter 6, air-conditioning 7, intelligent power distribution unit
8, central controller 9, DC bus 10 are acted on by the energy storage of energy-storage units 3, will be new in conjunction with the electricity price section of different time
The electric energy that energy power supply unit 1 is issued carries out temporal translation, and air-conditioning 7 is controlled as translatable load, only
Mains-supplied only is utilized in electricity price low-valley interval, the electric energy issued feedback grid when being more than loading demand saves communication base
The electricity charge and operation cost stood；The new energy unit 1, rectification module 2, two-way kilowatt-hour meter 6, air-conditioning 7 and intelligent power distribution
Unit 8 is electrically connected, and for 2 other end of rectification module by being connected on DC bus 10, DC bus 10 is energy-storage units
3, load of base station 4, DC load 5 provide electric energy.The energy-storage units 3 include lithium battery 11, lithium battery reversible controller 12, base
It stands lead-acid accumulator 13.
The lithium battery reversible controller 12 is two-way DC/DC converter, as shown in Figure 2.The rectification module 2 is with active
Rate factor correcting unit 25 reduces line loss as shown in figure 3, guaranteeing network voltage current in phase position, improves controller unit
Power density.
The new energy unit 1 includes solar components 15, blower 16, solar controller 17, wind energy controller
18, kilowatt-hour meter 19, solar components 15 are electrically connected with solar controller 17, and blower 16 is electrically connected with wind energy controller 18, too
Sun can control device 17 and wind energy controller 18 and be connect by kilowatt-hour meter 19 with intelligent power distribution unit 8.
The central controller 9 contains digital processing chip, such as DSP, single-chip microcontroller, FPGA, PLC, passes through signal wire 14
With solar controller 17, wind energy controller 18, intelligent power distribution unit 8, rectification module 2, lithium battery reversible controller 12, air-conditioning
7, base station lead-acid accumulator 13, load of base station 4, DC load 5 connect, real time monitoring solar power generation, wind-power electricity generation, rectification mould
The working condition of block 2, lithium battery 11 and base station lead-acid accumulator 13.
The intelligent power distribution unit 8 is solid including the solid-state power controller 21, three of No.1 solid-state power controller 20, two
State power controller 22, No. four solid-state power controllers 23, ac bus, as shown in figure 4, solid-state power controller with exchange mother
Line electrical connection, the optimization power supply and distribution of various energy resources is realized with central controller 9 together；The solar energy control of new energy unit 1
Device 17 processed, wind energy controller 18 access ac bus by kilowatt-hour meter 19 and No.1 solid-state power controller 20, and alternating current passes through double
Ac bus is accessed to kilowatt-hour meter 6 and No. two solid-state power controllers 21, air-conditioning 7, rectification module 2 pass through No. three solid-state function respectively
22, No. four solid-state power controllers 23 of rate controller are connected with ac bus.Intelligent power distribution unit 8 with central controller 9 together
Realize the optimization power supply and distribution of various energy resources.Utilize wind-driven generator and solar battery to load of base station when honourable condition is preferable
4 power supplies, when the electric energy that wind-power electricity generation and solar power generation are exported is unable to satisfy load of base station 4 and requires, by energy-storage units 3 to
Load of base station 4 is powered, and alternating current is accessed when being still unsatisfactory for load and provides insufficient electric energy part.Wherein wind energy and solar energy conduct
Preferential power supply energy, scene and mains hybrid control automatic adjusument, and seamlessly transit.
DC bus 10 and rectification module 2, lithium battery reversible controller 12, load of base station 4, DC load 5, base station plumbic acid
Battery 13 is connected, and 11 pass two-way controller of lithium battery is connected on DC bus 10, carries out energy balancing signal control, base station plumbic acid
Battery 13 is used for backup power supply, and rectification module 2 is powered in low ebb electricity price to load and lithium battery 11 using alternating current.
3 cascade utilization lithium battery 11 of energy-storage units carries out main charge and discharge control and further decreases base station construction cost.
Due to service life of lead accumulator influenced by depth of discharge it is very big, if the battery being shallowly recycled is used for deeper cavity in use, if
Lead-acid accumulator can be quickly invalidated；Depth of discharge is deeper, and cycle life is shorter；It can make to contract using the time limit when battery overcharge
It is short.Therefore this system cascade utilization lithium battery 11 carries out main charge and discharge control.The either energy density per unit volume of lithium battery 11, also
It is gravimetric specific energy, lithium battery 11 is higher by 3 times or more than lead-acid accumulator.11 volume of lithium battery is smaller, weight is lighter, circulation
Service life is long.Lithium battery 11 is used for the cycle life of electric vehicle generally at 800 times or more, using the lithium electricity of lithium iron phosphate positive material
Pond 11 can achieve 2000 times or so, exceed 1.5~5 times of lead-acid accumulator.This greatly reduces the use cost of lithium battery 11,
Service life is extended, easy-to-use degree is improved.
Cascade utilization lithium battery 11 refers to that after 80% or less capacity attenuation to, it is standby to be used for communication base station for Vehicular dynamic battery
The battery of the scenes such as electricity, energy storage.With the continuous decline of 11 cost of lithium battery, this energy density is higher, longer life expectancy electricity
Pond is just becoming more competitive, and part scene replaces lead-acid accumulator to be possibly realized, and cascade utilization battery can further decrease
Base station construction cost, and make the most of the advantage in scenes such as peak load shifting, solar energy base stations, create value.
By taking certain communication base station as an example, specific embodiment of the present utility model is introduced.
The power supply guarantee of the communication base station and electricity charge Optimal Control System are configured to 4kW solar components 15 and 240Ah lithium
Battery 11, electrical energy consumption analysis:
(1) the average daily generated energy of device of solar generating are as follows: 4214 ÷ 365=11.5 degree；
(2) the average daily electricity consumption in base station are as follows: (12635+3485) ÷ 365=44.2 degree, wherein load of base station 4 (20A) electricity consumption:
23 degree, 7 electricity consumption of air-conditioning: 21.2 degree；
(3) solar power generation time series analysis
Solar power generation meets power supply with base station and electricity price section relation curve is as shown in Figure 5.
Solar power generation concentrates on 8 a.m. to the period between at 18 points in afternoon, wherein 8 points to 12 points (area B) are peak
1.17 yuan of electricity price/degree, 12 points to 18 points (area C) are 0.76 yuan of flat section electricity price/degree.
In addition, 0 point to 8 points (area A) be 0.4 yuan of low ebb electricity price/degree, 18 points to 22 points (area D) be 1.17 yuan of peak electricity tariff/
Degree, 22 points to 24 points (area E) are 0.76 yuan of flat section electricity price/degree.
It is about 11 degree in the area B and the area C solar energy total power generation, and two section load electricity consumptions are about are as follows: 20A × 48V ×
10h=9.6 degree, ratio of generating power for their own use are 83%.
Claims (6)
1. communication base station power supply ensures and electricity charge Optimal Control System, including new energy unit (1), rectification module (2), storage
Energy unit (3), load of base station (4), DC load (5), two-way kilowatt-hour meter (6), air-conditioning (7), which is characterized in that further include intelligence
Power distribution unit (8), central controller (9), DC bus (10) are acted on by the energy storage of energy-storage units (3), in conjunction with different time
Electricity price section, the electric energy that new energy unit (1) is issued carries out temporal translation, and by air-conditioning (7) as can
Translation load is controlled, and only utilizes mains-supplied in electricity price low-valley interval, the electric energy issued is when being more than loading demand
Feedback grid saves the electricity charge and operation cost of communication base station；
The new energy unit (1), rectification module (2), two-way kilowatt-hour meter (6), air-conditioning (7) and intelligent power distribution unit (8)
Electrical connection, for rectification module (2) other end by being connected on DC bus (10), DC bus (10) is energy-storage units
(3), load of base station (4), DC load (5) provide electric energy.
2. communication base station power supply as described in claim 1 ensures and electricity charge Optimal Control System, which is characterized in that the energy storage
Unit (3) includes lithium battery (11), lithium battery reversible controller (12), base station lead-acid accumulator (13)；The central controller
(9) contain digital processing chip, pass through signal wire (14) and new energy unit (1), intelligent power distribution unit (8), rectification mould
Block (2), lithium battery reversible controller (12), air-conditioning (7), base station lead-acid accumulator (13), load of base station (4), DC load (5)
Connection, it is real time monitoring new energy unit (1), rectification module (2), lithium battery (11), air-conditioning (7), load of base station (4), straight
The working condition of current load (5) and base station lead-acid accumulator (13)；The new energy unit (1) includes solar components
(15), blower (16), solar controller (17), wind energy controller (18), kilowatt-hour meter (19), solar components (15) and the sun
It can control device (17) electrical connection, blower (16) is electrically connected with wind energy controller (18), solar controller (17) and wind energy control
Device (18) is connect by kilowatt-hour meter (19) with intelligent power distribution unit (8).
3. communication base station power supply as described in claim 1 ensures and electricity charge Optimal Control System, which is characterized in that the intelligence
Power distribution unit (8) includes No.1 solid-state power controller (20), No. two solid-state power controllers (21), No. three solid state power controls
Device (22), No. four solid-state power controllers (23), ac bus (24), solid-state power controller are electrically connected with ac bus (24)
It connects, realizes the optimization power supply and distribution of various energy resources together with central controller (9)；The solar control of new energy unit (1)
Device (17), wind energy controller (18) access ac bus (24) by kilowatt-hour meter (19) and No.1 solid-state power controller (20),
Alternating current passes through two-way kilowatt-hour meter (6) and No. two solid-state power controller (21) accesses ac bus (24), air-conditioning (7), rectification mould
Block (2) is connected by No. three solid-state power controllers (22), No. four solid-state power controllers (23) with ac bus (24) respectively.
4. communication base station power supply as claimed in claim 2 ensures and electricity charge Optimal Control System, which is characterized in that the lithium electricity
Pond reversible controller (12) is two-way DC/DC converter；The rectification module (2) has power factor correction unit (25).
5. communication base station power supply as described in claim 1 ensures and electricity charge Optimal Control System, which is characterized in that the direct current
Bus (10) and rectification module (2), lithium battery reversible controller (12), load of base station (4), DC load (5), base station plumbic acid store
Battery (13) is connected, and lithium battery (11) leads to lithium battery reversible controller (12) and is connected on DC bus (10), and it is flat to carry out electric energy
Control is moved, base station lead-acid accumulator (13) is used for backup power supply, and rectification module (2) only utilizes city in alternating current off-peak electricity price period
Electricity is powered to DC bus (10).
6. communication base station power supply as described in claim 1 ensures and electricity charge Optimal Control System, which is characterized in that the energy storage
Unit (3) cascade utilization lithium battery (11) carries out main electric energy translation control, further decreases base station construction cost, base station lead
Acid accumulator (13) is usually operated at floating charge state, battery life is improved, only under emergency conditions by base station lead-acid accumulator
(13) it powers to important load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150136.4U CN208337178U (en) | 2018-01-29 | 2018-01-29 | Communication base station power supply ensures and electricity charge Optimal Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150136.4U CN208337178U (en) | 2018-01-29 | 2018-01-29 | Communication base station power supply ensures and electricity charge Optimal Control System |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258729A (en) * | 2018-01-29 | 2018-07-06 | 北京凯华网联新能源技术有限公司 | Communication base station power supply guarantee and electricity charge Optimal Control System and method |
| CN111917181A (en) * | 2020-07-03 | 2020-11-10 | 嘉善数能技术有限公司 | Power supply management system of communication base station |
| CN114784789A (en) * | 2022-06-21 | 2022-07-22 | 北京杉杉凯励新能源科技有限公司 | Iron tower basic station new forms of energy storage teletransmission electrical power generating system |
-
2018
- 2018-01-29 CN CN201820150136.4U patent/CN208337178U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258729A (en) * | 2018-01-29 | 2018-07-06 | 北京凯华网联新能源技术有限公司 | Communication base station power supply guarantee and electricity charge Optimal Control System and method |
| CN111917181A (en) * | 2020-07-03 | 2020-11-10 | 嘉善数能技术有限公司 | Power supply management system of communication base station |
| CN114784789A (en) * | 2022-06-21 | 2022-07-22 | 北京杉杉凯励新能源科技有限公司 | Iron tower basic station new forms of energy storage teletransmission electrical power generating system |
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