CN107979169A - Lithium titanate battery energy storage for power supply system and its control method for communication base station - Google Patents
Lithium titanate battery energy storage for power supply system and its control method for communication base station Download PDFInfo
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- CN107979169A CN107979169A CN201711407248.XA CN201711407248A CN107979169A CN 107979169 A CN107979169 A CN 107979169A CN 201711407248 A CN201711407248 A CN 201711407248A CN 107979169 A CN107979169 A CN 107979169A
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- battery
- lithium titanate
- base station
- power supply
- communication base
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of lithium titanate battery energy storage for power supply system and its control method for communication base station, wherein, which includes lithium titanate battery system, and the lithium titanate battery system can switch between direct current supply pattern and Alternating Current Power Supply pattern.In the solution of the present invention, the performance indicator of each individual battery is stablized in lithium titanate battery system, and the input voltage deviation of single battery is smaller, ensures to export stable DC voltage all the time, can meet the needs of the important DC load of communication base station.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of lithium titanate battery energy storage for power supply system for communication base station and
Its control method.
Background technology
The main equipment in communication base station industry provides DC power supply output using DC uninterrupted electric power system mostly at present,
The electric power system is made of Combined switch electric source and lead-acid batteries, and the nominal supply voltages grade of mainstream is -48V
(or -24V).Due to the energy density of lead-acid battery is low, cycle-index is low, maintenance cost is high, extreme environment cannot normal work
Make etc. reason, in recent years the stand-by power supply of communication base station gradually replaced by lithium battery, lithium titanate battery have efficiently, fast charge,
The advantages that resistance to width is warm, non-maintaining, perfection are solved communication base station industry and are brought at present using lead-acid battery as its stand-by power supply
Pain spot.
During alternating current dead electricity, the backup power supply safeguard way generally use storage battery group energy storage and movement or fixation of communication base station
The safeguard way of generating set emergency starting power generation.Storage battery is the important component of combined power supply system, is to ensure communication
The core equipment of equipment uninterrupted power supply.
Base station is located on outlying remote high mountain, needs to set up overhead line using alternating current input, and is set up aerial
Line is subject to be struck by lightning in thunderstorm weather, be easy to cause the communication equipment damage of base station, influences the stability of communication.Overhead transmission line needs
Periodically inspection Check and maintenance just can ensure that safe and reliable power supply.Storage battery is the last line of defense of base station power system, its is heavy
The property wanted is self-evident, but the maintenance of base station storage batteries group is but always one of the biggest problem in industry.The maintenance of storage battery
Based on daily detection and prospective maintenance.Specifically need to storage battery group carry out regularly verification property discharge test and
Volume test, replaces storage battery further according to the result of test and maintenance process.
The content of the invention
In view of this, the object of the present invention is to provide a kind of easy to use, energy conservation and environmental protection and multiple functional it is used to communicate
The lithium titanate battery energy storage for power supply system and its control method of base station, when base station power electric power system breaks down, as should
Anxious stand-by power supply uses.
According to the first aspect of the invention, there is provided a kind of lithium titanate battery energy storage for power supply system for communication base station, its
It is characterized in that, including lithium titanate battery system, the lithium titanate battery system can be in direct current supply patterns and Alternating Current Power Supply mould
Switch between formula.
Further, electric main, communication base station AC load are further included, communication base station DC load, communication power supply, is filled
Discharge controller, two-way inverter, the electric main are connected by the two-way inverter with the lithium titanate battery system,
The lithium titanate battery system is connected by the two-way inverter with the communication base station AC load, the lithium titanate battery
System is connected by the charging-discharging controller with the communication base station DC load, the communication power supply and the communication base station
DC load is connected.
Further, when the lithium titanate battery system is Alternating Current Power Supply pattern, in the electric main normal power supply shape
Under state, the electric main is charged by the two-way inverter for the lithium titanate battery system；Lost in the electric main
Under electricity condition, the lithium titanate battery system is alternating voltage by the two-way inverter inversion, is handed over for the communication base station
Current load is powered, while the lithium titanate battery system exports DC voltage by the communication power supply, is the base station direct current
Load supplying.
Further, when the lithium titanate battery system is direct current supply pattern, in the electric main normal power supply shape
Under state, the electric main is charged by the communication power supply for the lithium titanate battery system；In the electric main dead electricity
Under state, the lithium titanate battery system exports DC voltage by charging-discharging controller, powers for the base station DC load.
Further, battery management system is further included, the battery management system is in the lithium titanate battery system
Single battery in battery pack and/or battery pack is managed.
Further, the battery management system is in the battery pack and/or battery pack in the lithium titanate battery system
Single battery be managed, including：Identify the battery damaged, the battery damaged described in removal, or do not damaged with other
Battery replacement described in the battery that has damaged；And/or collection, and/or storage lithium titanate battery system in battery pack and/or
The specifying information of single battery in battery pack；And/or when the charging of the charging voltage and/or battery pack of single battery is always electric
Pressure stops charging when exceeding default permissible value, disconnects the connection of two-way inverter or communication power supply and lithium titanate battery system,
After charging voltage returns to permissible value, manually recover or recover the function to battery management automatically；And/or work as monomer
When the discharge voltage of battery and/or the electric discharge total voltage of battery pack are less than default warnings value, alarm is sent；With/
Or, when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default protection value, stop putting immediately
Electricity, disconnects the connection of communication base station AC load and/or communication base station DC load and lithium titanate battery system, and with alarm
Prompting；And/or when the electric current that lithium titanate battery system is inputted or exported exceedes default electric current warning value, send alarm
Prompting；And/or stop electric discharge when short circuit occurs for battery pack, disconnect communication base station AC load and/or communication base station direct current is born
The connection with lithium titanate battery system is carried, and with alarm；And/or when battery temperature and/or environment temperature exceed it is default
Excess temperature warning value, or during less than default low temperature warning value, send alarm；And/or when detecting environment temperature
And/or lithium titanate battery system battery group internal temperature exceedes default excess temperature warning value, or alerted less than default low temperature
During value, two-way inverter or communication power supply or communication base station AC load and/or communication base station DC load and metatitanic acid are disconnected
The connection of lithium battery system, and with alarm, when environment temperature or internal battery pack temperature return to default permissible value
Afterwards, it can manually recover or recover the function to battery management automatically；And/or according to monomer battery voltage set in advance
Up/down limits threshold value, and the exceeded single battery of recording voltage simultaneously sends prompting message；And/or the residual capacity of battery is monitored, make
The remaining surplus of battery is maintained in default zone of reasonableness；And/or equalizaing charge is carried out to the single battery in battery pack,
Single battery in battery pack is set all to reach balanced consistent state；And/or, there is provided connect with what power supply monitoring system was communicated
Mouthful, transmission and/or the health information for showing battery state, alarm, battery remaining power, and/or battery.
Further, communication base station motive power environment monitoring system is further included, the two-way inverter, DC/DC converters, fill
Discharge controller, battery management system, communication base station DC load are led to the communication base station motive power environment monitoring system respectively
News, the communication base station motive power environment monitoring system are used for realization to above-mentioned each composition in lithium titanate battery energy storage for power supply system
The monitoring management of unit.
According to the second aspect of the invention, there is provided a kind of control of lithium titanate battery energy storage for power supply system for communication base station
Method processed, the lithium titanate battery energy storage for power supply system include lithium titanate battery system, it is characterised in that this method includes following
Step：By the lithium titanate battery system from direct current supply pattern switching be Alternating Current Power Supply pattern, or by the lithium titanate battery
System from Alternating Current Power Supply pattern switching be direct current supply pattern.
Further, the lithium titanate battery energy storage for power supply system further includes electric main, communication base station AC load, leads to
Believe base station DC load, communication power supply, charging-discharging controller, two-way inverter, the electric main passes through the two-way inversion
Device is connected with the lithium titanate battery system, and the lithium titanate battery system passes through the two-way inverter and the communication base station
AC load is connected, and the lithium titanate battery system passes through the charging-discharging controller and the communication base station DC load phase
Even, the communication power supply is connected with the communication base station DC load.
Further, when the lithium titanate battery system is Alternating Current Power Supply pattern, in the electric main normal power supply shape
Under state, the electric main is charged by the two-way inverter for the lithium titanate battery system；Lost in the electric main
Under electricity condition, the lithium titanate battery system is alternating voltage by the two-way inverter inversion, is handed over for the communication base station
Current load is powered, while the lithium titanate battery system exports DC voltage by the communication power supply, is the base station direct current
Load supplying.
Further, when the lithium titanate battery system is direct current supply pattern, in the electric main normal power supply shape
Under state, the electric main is charged by the communication power supply for the lithium titanate battery system；In the electric main dead electricity
Under state, the lithium titanate battery system exports DC voltage by charging-discharging controller, powers for the base station DC load.
Further, using battery management system in the battery pack and/or battery pack in the lithium titanate battery system
Single battery be managed.
Further, using the battery management system to the battery pack and/or battery in the lithium titanate battery system
Single battery in group is managed, and specifically includes following step：Identify the battery damaged, the electricity damaged described in removal
Pond, or the battery damaged described in other unspoiled battery replacements；And/or collection, and/or storage lithium titanate battery system
The specifying information of the single battery in battery pack and/or battery pack in system；And/or when single battery charging voltage and/or
The charging total voltage of battery pack stops charging when exceeding default permissible value, disconnects two-way inverter or communication power supply and lithium titanate
The connection of battery system, after charging voltage returns to permissible value, manually recovers or recovers the work(to battery management automatically
Energy；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default warnings value, hair
Go out alarm；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default protection value
When, stop electric discharge immediately, disconnect the company of communication base station AC load and/or communication base station DC load and lithium titanate battery system
Connect, and with alarm；And/or when the electric current that lithium titanate battery system is inputted or exported is alerted more than default electric current
During value, alarm is sent；And/or when battery pack occur short circuit when stop electric discharge, disconnect communication base station AC load and/or
The connection of communication base station DC load and lithium titanate battery system, and with alarm；And/or when battery temperature and/or ring
Border temperature exceedes default excess temperature warning value, or during less than default low temperature warning value, sends alarm；And/or work as inspection
Measure environment temperature and/or lithium titanate battery system battery group internal temperature exceedes default excess temperature warning value, or less than pre-
If low temperature warning value when, disconnect two-way inverter or communication power supply or communication base station AC load and/or communication base station be straight
Current load and the connection of lithium titanate battery system, and with alarm, when environment temperature or internal battery pack temperature return to
After default permissible value, it can manually recover or recover the function to battery management automatically；And/or according to set in advance
Monomer battery voltage up/down limits threshold value, and the exceeded single battery of recording voltage simultaneously sends prompting message；And/or monitor battery
Residual capacity, makes the remaining surplus of battery maintain in default zone of reasonableness；And/or to the single battery in battery pack into
Row equalizaing charge, makes single battery in battery pack all reach balanced consistent state；And/or, there is provided with power supply monitoring system into
The interface of row communication, transmission and/or the health status letter for showing battery state, alarm, battery remaining power, and/or battery
Breath.
Further, realized using communication base station motive power environment monitoring system to each in lithium titanate battery energy storage for power supply system
The monitoring management of a component units, it is the two-way inverter, DC/DC converters, charging-discharging controller, battery management system, logical
Believe base station DC load respectively with the communication base station motive power environment monitoring system communication.
The performance indicator of each individual battery is stablized in the lithium titanate battery system of the present invention, and the input voltage of single battery is inclined
Difference is smaller, ensures to export all the time and stablizes 48V DC voltages, meets the needs of the important DC load of communication base station.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing describe in detail as after.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1, which is, supplies electrical schematic when according to the lithium titanate battery system inversion of the embodiment of the present invention being direct current supply pattern
Figure；
Fig. 2 is to supply electrical schematic when being converted to Alternating Current Power Supply pattern according to the lithium titanate battery system of the embodiment of the present invention
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, belong to the scope of protection of the invention.
One embodiment according to the present invention, discloses a kind of lithium titanate battery energy storage for power supply system for communication base station,
Including electric main 1, communication base station AC load 21, communication base station DC load 22, communication power supply 3, lithium titanate battery system
4th, charging-discharging controller 5, battery management system 6, DC/DC converters 7, communication base station motive power environment monitoring system 8 and two-way inverse
Become device 9.Electric main 1 is charged by two-way inverter 9 for lithium titanate battery system 4, and lithium titanate battery system 4 passes through two-way inverse
Become device 9 with communication base station AC load 21 to be connected, lithium titanate battery system 4 passes through charging-discharging controller 5 and communication base station direct current
Load 22 is connected, and battery management system 6 is connected by DC/DC converters 7 with lithium titanate battery system 4, and communication power supply 3 is with communicating
Base station DC load 22 is connected, two-way inverter 9, DC/DC converters 7, charging-discharging controller 5, battery management system 6 and communication
Base station DC load 22 is communicated with communication base station motive power environment monitoring system 8 respectively.
The lithium titanate battery energy storage for power supply system possesses Alternating Current Power Supply pattern and direct current supply pattern.
Referring to Fig. 1, Fig. 1 is when according to the lithium titanate battery system inversion of the embodiment of the present invention being direct current supply pattern
Electrical schematic.
When lithium titanate battery system is converted to direct current supply pattern, under alternating current normal power supply state, electric main 1 is logical
Communication power supply 3 is crossed to charge for lithium titanate battery system 6；Under alternating current power failure state, lithium titanate battery system 6 is automatically controlled by charge and discharge
Device 5 processed exports -48V DC voltages, powers for communication base station DC load 22.
Under direct current supply pattern, the charging-discharging controller 5 of the lithium titanate battery energy storage for power supply system directly with direct current-
48V busbares connect, and reduce conversion of the energy between AC and DC, improve efficiency of energy utilization.
Referring to Fig. 2, Fig. 2 is when being converted to Alternating Current Power Supply pattern according to the lithium titanate battery system of the embodiment of the present invention
Electrical schematic.
When the inversion of lithium titanate battery system is Alternating Current Power Supply pattern, under alternating current normal power supply state, electric main 1 is logical
Two-way inverter 9 is crossed to charge for lithium titanate battery system 4；Under alternating current power failure state, lithium titanate battery system 4 passes through two-way inverse
Become device 9 and be converted to alternating voltage, power for communication base station AC load 21, while alternating voltage is converted to by communication power supply 3
48V DC voltages, power for base station DC load 22.
Lithium titanate battery energy storage for power supply system according to embodiments of the present invention further includes battery management system 6.
Wherein, using the battery management system 6, the lithium titanate battery system can be managed.Such as：Can be with
Only the battery pack in the lithium titanate battery system is managed, can also be only to the single battery in battery pack, can be with
Battery pack in the lithium titanate battery system and the single battery in the battery pack are managed in the lump.
Below by some specific examples, to using the battery management system 6 in the lithium titanate battery system
Battery pack and/or battery pack in the process that is managed of single battery be specifically described.It should be noted that the electricity
, can when pond management system 6 is managed the single battery in the battery pack and/or battery pack in the lithium titanate battery system
According to specific use demand, to perform any of following example example or appoint the corresponding management in several examples to grasp
Make.
In one example, the battery management system 6 monitors the working condition of single battery, identifies lithium titanate battery
Damage battery in system 4, and weed out and damaged battery or damaged battery with other battery replacements that do not damage.
Such as：It may only need to identify the occasion whether battery damages at some, it is only necessary to identify the battery damaged
.
Such as：Need to identify the occasion whether battery damages and handle damage battery at some, it is also necessary to knowing
Do not go out the battery damaged and be removed (or rejecting), or battery has been damaged with other battery replacements that do not damage.
In one example, battery management system 6 gathers, and/or stores the tool of each Battery pack in lithium titanate battery system 4
Monomer in body information, such as charging total voltage, electric discharge total voltage, charging total current, electric discharge total current, battery pack temperature, each group
The charging voltage of battery, discharge voltage, charging current, discharge current, battery dump energy, environment temperature etc., manage lithium titanate
Each group cell voltage, each group battery current, each group battery cell ceiling voltage, the minimum electricity of each group battery cell in battery system 4
Pressure, each Battery pack maximum temperature, each Battery pack minimum temperature, each group battery SOC, each group battery alarm information, integrated treatment are each
Battery pack parameter, four distant (remote measurement, remote control, remote signalling, remote regulating) contents, the charging and discharging state for determining battery system and operating parameter will
The function such as seek, communicate with environment in mobile stations monitoring system.
Such as：Only needed to the single battery in the battery pack and/or battery pack in lithium titanate battery system at some
The occasion that specifying information is monitored, only can collect corresponding information by that can obtain the sensor of corresponding information.
Such as：Also needed at some to the single battery in the battery pack and/or battery pack in lithium titanate battery system
Specifying information is stored in case the occasion checked or contrasted, it is also necessary to by memory to the lithium titanate battery system that collects
In battery pack and/or battery pack in the specifying information of single battery stored.
Such as：Only needed to the single battery in the battery pack and/or battery pack in lithium titanate battery system at some
The occasion that specifying information is checked, need to only call the electricity in required lithium titanate battery system from the memory prestored
The specifying information of single battery in pond group and/or battery pack, can remove the troublesome operation for also needing to collection in worksite from.
In one example, battery management system 6 has the function of that battery pack protection, battery charging current limiter, battery cell are equal
The multiple functions such as weighing apparatus, battery pack and battery cell operation information (voltage, electric current and temperature etc.) collection, battery pack information storage.
In one example, there is battery management system 6 protection to have with alarm function：The high protection of the total voltage that charges and recovery
Function is protected and recovered to function, the low alarm function of electric discharge total voltage, monomer battery voltage minimum living, monomer battery voltage height is protected and extensive
Multiple function, short-circuit protection function, charging overcurrent protection function, battery overheat protector and recover function, battery low-temperature protection and extensive
Multiple function.
According to one embodiment of present invention, the battery management system 6 can include following function：
In one example, overvoltage protection and recovery function, when the charging of the charging voltage and/or battery pack of single battery
When total voltage exceedes permissible value, stop charging immediately, disconnect charhing unit equipment (two-way inverter 9 or communication power supply 3) and titanium
The connection of acid lithium battery system 4, after charging voltage returns to permissible value, can manually recover or recover automatically to cell tube
The function of reason.
In one example, cross and put warning function, when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack
During less than warning value, alarm is sent.
In one example, Cross prevention function, when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack
During less than protection value, stop electric discharge immediately, disconnecting electrical equipment, (communication base station AC load 21 and/or communication base station direct current are born
The connection 22) with lithium titanate battery system 4 is carried, and with alarm.
In one example, overcurrent is alarmed, when the electric current that lithium titanate battery system 4 is inputted or exported exceedes warning value
When, send alarm.
In one example, short-circuit protection function, when short circuit occurs for battery pack, stops electric discharge, disconnects electricity consumption and set immediately
The standby connection with lithium titanate battery system 4, and with alarm.
In one example, excess temperature/low-temperature warning function, when battery temperature or environment temperature exceed excess temperature warning value, or
When person is less than low temperature warning value, alarm is sent.
In one example, excess temperature/low-temperature protection function, when detecting 4 battery of environment temperature or lithium titanate battery system
Group internal temperature exceed excess temperature warning value, either less than low temperature warning value when immediately disconnect charge or electrical equipment and metatitanic acid
The connection of lithium battery system 4, and with alarm., can after environment temperature or internal battery pack temperature return to permissible value
Manually recover or recover the function to battery management automatically, but do not influence battery discharge function.
In one example, too low/excessive protection of monomer battery voltage and recovery function, according to the single battery of setting electricity
Up/down limit threshold value is pressed, in real time/periodically the exceeded single battery of recording voltage and dynamic environment monitoring system is reported, to tie up
Shield personnel safeguard in time, it is ensured that whole group battery performance is unaffected.
In one example, battery pack SOC (StateOfCharge, the state-of-charge of battery), i.e. remaining battery electricity are estimated
Amount.Maintain SOC to prevent the damage due to overcharging or crossing battery of being rivals in a contest in rational scope, forecast the residue of battery at any time
Capacity.
In one example, single battery equalization function, since lithium titanate battery manufacturing process is complicated and the phase of lithium ion
To activity, thus in battery pack monomer battery voltage with discharge and recharge number change there are inconsistent phenomenon.To battery
Single battery in group carries out equalizaing charge, single battery in battery pack is all reached balanced consistent state, can be effectively
Extend the service life of battery pack, greatly improve the work efficiency of battery pack.
In one example, parallel port communication, there is provided the interface communicated with power supply monitoring system, transmission and display battery
The information such as group state, alarm, SOC, SOH (State Of Health, the health status of battery), realizes Distant supervision and control
Intervene.
Communication base station motive power environment monitoring system 8 can be to charging-discharging controller, DC/DC converters 7, battery management system
6th, the monitoring management of the various power smart machines such as air-conditioning, by the data conversion between serial data and network IP bags, so that
Remote management is completed, extended serial port networks traditional serial device, and serial device communicates；IP video cameras are can access,
Realize the linkage function of picture control, gate inhibition and alarm；It can realize that humiture, water logging, infrared, cigarette sense, antitheft etc. are alarmed
Monitoring function；Realize to the coordinated signals function such as video camera, light.
In conclusion the present invention provides a kind of easy to use, energy conservation and environmental protection and multiple functional power-supply system, work as base station
When electric supply system breaks down, used as emergency standby power.The meaning of lithium titanate battery system is not only green
Color and environmental protection are used as premise, while meet needs of the country to intelligent grid development strategy, avoid environmental pollution, promote country new
The development of energy industry, so as to bring huge social benefit.
Attached drawing is only the simplified diagram of one embodiment, but ensures that the flow in attached drawing is that the implementation present invention must
Must content, can carry out spirit with the difference of demand and the implementation of different piece functional steps of product in actually making
Replacement living.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to above-described embodiment
A degree of explanation has been carried out to the present invention, the present invention staff has been read and should be understood：It still can be in above-described embodiment
Described technical solution is modified, or carries out equivalent substitution to which part technical characteristic；These modifications are replaced
The essence of appropriate technical solution is not set to depart from the scope of description of the embodiment of the present invention.
Claims (14)
- A kind of 1. lithium titanate battery energy storage for power supply system for communication base station, it is characterised in that including lithium titanate battery system, The lithium titanate battery system can switch between direct current supply pattern and Alternating Current Power Supply pattern.
- 2. the system as claimed in claim 1, it is characterised in that further include electric main, communication base station AC load, communication base Stand erectly current load, communication power supply, charging-discharging controller, two-way inverter, the electric main by the two-way inverter with The lithium titanate battery system is connected, and the lithium titanate battery system is exchanged by the two-way inverter with the communication base station Load is connected, and the lithium titanate battery system is connected by the charging-discharging controller with the communication base station DC load, institute Communication power supply is stated with the communication base station DC load to be connected.
- 3. system as claimed in claim 2, it is characterised in thatWhen the lithium titanate battery system is Alternating Current Power Supply pattern, under the electric main normal power supply state, the exchange Alternating current is charged by the two-way inverter for the lithium titanate battery system；It is described under the electric main power failure state Lithium titanate battery system is alternating voltage by the two-way inverter inversion, is powered for the communication base station AC load, together Shi Suoshu lithium titanate batteries system exports DC voltage by the communication power supply, powers for the base station DC load.
- 4. system as claimed in claim 2 or claim 3, it is characterised in thatWhen the lithium titanate battery system is direct current supply pattern, under the electric main normal power supply state, the exchange Alternating current is charged by the communication power supply for the lithium titanate battery system；Under the electric main power failure state, the titanium Acid lithium battery system exports DC voltage by charging-discharging controller, powers for the base station DC load.
- 5. the system as described in claim 1-4 is any, it is characterised in that further include battery management system, the battery management System is managed the single battery in the battery pack and/or battery pack in the lithium titanate battery system.
- 6. system as claimed in claim 5, it is characterised in that the battery management system is in the lithium titanate battery system Battery pack and/or battery pack in single battery be managed, including：Identify the battery damaged, the battery damaged described in removal, or damaged described in other unspoiled battery replacements Battery；And/or the single battery in the battery pack and/or battery pack in collection, and/or storage lithium titanate battery system is specific Information；And/or stop filling when the charging voltage of single battery and/or the charging total voltage of battery pack exceed default permissible value Electricity, disconnects the connection of two-way inverter or communication power supply and lithium titanate battery system, after charging voltage returns to permissible value, leads to Cross the function of recovering manually or recover automatically to battery management；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default warnings value, Send alarm；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default protection value, immediately Stop electric discharge, disconnect the connection of communication base station AC load and/or communication base station DC load and lithium titanate battery system, and companion There is alarm；And/or when the electric current that lithium titanate battery system is inputted or exported exceedes default electric current warning value, send alarm and carry Show；And/or stop electric discharge when short circuit occurs for battery pack, disconnect communication base station AC load and/or communication base station direct current is born The connection with lithium titanate battery system is carried, and with alarm；And/or alerted when battery temperature and/or environment temperature exceed default excess temperature warning value, or less than default low temperature During value, alarm is sent；And/or when detect environment temperature and/or lithium titanate battery system battery group internal temperature more than default excess temperature alert Value, or during less than default low temperature warning value, disconnect two-way inverter or communication power supply or communication base station AC load and/ Or the connection of communication base station DC load and lithium titanate battery system, and with alarm, when in environment temperature or battery pack After portion's temperature returns to default permissible value, it can manually recover or recover the function to battery management automatically；And/or threshold value, the exceeded single battery of recording voltage and transmission are limited according to monomer battery voltage up/down set in advance Prompting message；And/or the residual capacity of battery is monitored, the remaining surplus of battery is maintained in default zone of reasonableness；And/or equalizaing charge is carried out to the single battery in battery pack, single battery in battery pack is all reached balanced consistent State；And/or, there is provided the interface communicated with power supply monitoring system, transmission and/or display battery state, alarm, battery The health information of residual capacity, and/or battery.
- 7. the system as described in claim 1-6 is any, it is characterised in that communication base station motive power environment monitoring system is further included, The two-way inverter, DC/DC converters, charging-discharging controller, battery management system, communication base station DC load respectively with institute Communication base station motive power environment monitoring system communication is stated, the communication base station motive power environment monitoring system is used for realization to lithium titanate electricity The monitoring management of above-mentioned each component units in the energy storage for power supply system of pond.
- 8. a kind of control method of lithium titanate battery energy storage for power supply system for communication base station, the lithium titanate battery energy storage supplies Electric system includes lithium titanate battery system, it is characterised in that this method comprises the following steps：By the lithium titanate battery system from Direct current supply pattern switching is Alternating Current Power Supply pattern, or by the lithium titanate battery system from Alternating Current Power Supply pattern switching be direct current Powering mode.
- 9. method as claimed in claim 8, it is characterised in that the lithium titanate battery energy storage for power supply system further includes exchange city Electricity, communication base station AC load, communication base station DC load, communication power supply, charging-discharging controller, two-way inverter, the friendship Stream alternating current is connected by the two-way inverter with the lithium titanate battery system, and the lithium titanate battery system passes through described double It is connected to inverter with the communication base station AC load, the lithium titanate battery system passes through the charging-discharging controller and institute State communication base station DC load to be connected, the communication power supply is connected with the communication base station DC load.
- 10. method as claimed in claim 9, it is characterised in that when the lithium titanate battery system is Alternating Current Power Supply pattern, Under the electric main normal power supply state, the electric main is the lithium titanate battery system by the two-way inverter Charging；Under the electric main power failure state, the lithium titanate battery system is exchange by the two-way inverter inversion Voltage, powers for the communication base station AC load, while the lithium titanate battery system is exported directly by the communication power supply Galvanic electricity pressure, powers for the base station DC load.
- 11. the method as described in claim 9 or 10, it is characterised in that the lithium titanate battery system is direct current supply pattern When, under the electric main normal power supply state, the electric main is the lithium titanate battery by the communication power supply System charges；Under the electric main power failure state, the lithium titanate battery system exports direct current by charging-discharging controller Voltage, powers for the base station DC load.
- 12. the method as described in claim 8-11 is any, it is characterised in that using battery management system to lithium titanate electricity The single battery in battery pack and/or battery pack in cell system is managed.
- 13. method as claimed in claim 12, it is characterised in that using the battery management system to the lithium titanate battery The single battery in battery pack and/or battery pack in system is managed, and specifically includes following step：Identify the battery damaged, the battery damaged described in removal, or damaged described in other unspoiled battery replacements Battery；And/or the single battery in the battery pack and/or battery pack in collection, and/or storage lithium titanate battery system is specific Information；And/or stop filling when the charging voltage of single battery and/or the charging total voltage of battery pack exceed default permissible value Electricity, disconnects the connection of two-way inverter or communication power supply and lithium titanate battery system, after charging voltage returns to permissible value, leads to Cross the function of recovering manually or recover automatically to battery management；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default warnings value, Send alarm；And/or when the discharge voltage of single battery and/or the electric discharge total voltage of battery pack are less than default protection value, immediately Stop electric discharge, disconnect the connection of communication base station AC load and/or communication base station DC load and lithium titanate battery system, and companion There is alarm；And/or when the electric current that lithium titanate battery system is inputted or exported exceedes default electric current warning value, send alarm and carry Show；And/or stop electric discharge when short circuit occurs for battery pack, disconnect communication base station AC load and/or communication base station direct current is born The connection with lithium titanate battery system is carried, and with alarm；And/or alerted when battery temperature and/or environment temperature exceed default excess temperature warning value, or less than default low temperature During value, alarm is sent；And/or when detect environment temperature and/or lithium titanate battery system battery group internal temperature more than default excess temperature alert Value, or during less than default low temperature warning value, disconnect two-way inverter or communication power supply or communication base station AC load and/ Or the connection of communication base station DC load and lithium titanate battery system, and with alarm, when in environment temperature or battery pack After portion's temperature returns to default permissible value, it can manually recover or recover the function to battery management automatically；And/or threshold value, the exceeded single battery of recording voltage and transmission are limited according to monomer battery voltage up/down set in advance Prompting message；And/or the residual capacity of battery is monitored, the remaining surplus of battery is maintained in default zone of reasonableness；And/or equalizaing charge is carried out to the single battery in battery pack, single battery in battery pack is all reached balanced consistent State；And/or, there is provided the interface communicated with power supply monitoring system, transmission and/or display battery state, alarm, battery The health information of residual capacity, and/or battery.
- 14. the method as described in claim 8-13 is any, it is characterised in that real using communication base station motive power environment monitoring system Now to the monitoring management of each component units in lithium titanate battery energy storage for power supply system, the two-way inverter, DC/DC conversions Device, charging-discharging controller, battery management system, communication base station DC load respectively with the communication base station motive power environment monitoring system System communication.
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| CN109193724A (en) * | 2018-10-11 | 2019-01-11 | 福建星云电子股份有限公司 | A kind of intelligent base station standby energy storage power and control method |
| CN109245214A (en) * | 2018-09-27 | 2019-01-18 | 北京凯华网联新能源技术有限公司 | Communication base station multichannel based on competition mechanism uses battery manager with |
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| CN111130153A (en) * | 2018-10-30 | 2020-05-08 | 中国科学院大连化学物理研究所 | Monitoring system for aluminum air fuel cell in communication base station use process |
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| CN109557469B (en) * | 2018-12-14 | 2020-10-13 | 广东电网有限责任公司 | Storage battery nuclear capacity data analysis method and device |
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| CN110729784B (en) * | 2019-10-23 | 2023-04-28 | 重庆梅安森科技股份有限公司 | Battery management system integrating high-side switch and MOS tube control power supply AC/DC switching |
| CN110729784A (en) * | 2019-10-23 | 2020-01-24 | 重庆梅安森科技股份有限公司 | Battery management system integrating high-side switch and MOS (metal oxide semiconductor) tube for controlling AC/DC (alternating current/direct current) switching of power supply |
| CN111009764A (en) * | 2019-12-19 | 2020-04-14 | 中国人民解放军空军勤务学院 | Emergency wiring structure |
| CN111591148A (en) * | 2020-04-24 | 2020-08-28 | 北京北交新能科技有限公司 | Netless self-walking energy storage and bidirectional AC/DC converter system for rail transit |
| CN111600347A (en) * | 2020-04-30 | 2020-08-28 | 四川享锂来科技有限公司 | Remote control system for sharing lithium battery |
| CN111600347B (en) * | 2020-04-30 | 2021-07-30 | 四川享锂来科技有限公司 | Remote control system for sharing lithium battery |
| CN111817864A (en) * | 2020-07-01 | 2020-10-23 | 嘉善数能技术有限公司 | Communication base station energy control system |
| CN112803459A (en) * | 2021-01-26 | 2021-05-14 | 福建时代星云科技有限公司 | Uninterruptible power supply with peak clipping, valley filling and quick charging functions and use method |
| CN112994153A (en) * | 2021-02-10 | 2021-06-18 | 中国联合网络通信集团有限公司 | Power supply method, equipment and storage medium |
| CN113866660A (en) * | 2021-09-07 | 2021-12-31 | 国网湖南省电力有限公司 | Monitoring system and monitoring equipment for back-up power supply of breaker on deep fusion column |
| CN113852183A (en) * | 2021-09-07 | 2021-12-28 | 国网湖南省电力有限公司 | Back-up power supply monitoring equipment of ring main unit |
| CN115864565A (en) * | 2022-11-16 | 2023-03-28 | 惠州恒立能源科技有限公司 | Lithium ion battery energy storage system and method based on energy storage converter |
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