CN107154742A - A kind of power supply system for communications - Google Patents
A kind of power supply system for communications Download PDFInfo
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- CN107154742A CN107154742A CN201710525524.6A CN201710525524A CN107154742A CN 107154742 A CN107154742 A CN 107154742A CN 201710525524 A CN201710525524 A CN 201710525524A CN 107154742 A CN107154742 A CN 107154742A
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- power supply
- supply system
- communication
- communications
- battery
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-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J9/061—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 DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of power supply system for communications, it is by communication power cabinet, Alternating Current Unit, rectifier power supply module, Direct Current Distribution Unit, six parts of micro computer monitoring Dan Yuan ﹑ batteries are constituted, communication power supply screen is installed on the front panel of the communication power cabinet, the rectifier power supply module is filtered including EMI, full-bridge rectification, passive PFC, high-frequency inversion, isolating transformer, high-frequency rectification and LC filtering, and the whole power supply system for communications is arranged in communication power cabinet, the present invention using EMI is included by will be filtered, full-bridge rectification, passive PFC, high-frequency inversion, isolating transformer, high-frequency rectification and the rectifier power supply module of LC filtering, improve the reliability and security performance of the power supply system for communications, by the way that batteries are set in communication power cabinet, reduce the volume of the whole power supply system for communications.
Description
Technical field
The present invention relates to communication technical field, and in particular to a kind of power supply system for communications.
Background technology
With electronization and the not very development of informationization and being continuously increased for demand, communication system serves more and more important
, irreplaceable effect.Communication power supply is the critical infrastructures of whole communication network, but communication power supply is entirely communicating
The ratio that is accounted in industry is simultaneously little.Buying of the telecom operators on power supply product mainly annual plant maintenance and system
If the usual proportion for accounting for amount of purchase of maintenance of wherein power-supply device is higher.Telecom operators are used for the construction of power-supply system every year
On expense it is relatively fewer, unless telecommunication system needs large-scale upgrading or extended, operator can just increase power-supply device
Amount of purchase.Also, traditional communication power supply safety and reliability is poor, and volume is larger, it is impossible to meet communication system it is long when
Between effectively run.
The content of the invention
The invention aims to solve above-mentioned technical problem there is provided a kind of small volume, reliability and have a safety feature
The power supply system for communications.
First aspect is there is provided a kind of power supply system for communications, and it is by communication power cabinet, Alternating Current Unit, rectifier power source mould
Block, Direct Current Distribution Unit, six parts of micro computer monitoring Dan Yuan ﹑ batteries are constituted, and are pacified on the front panel of the communication power cabinet
Equipped with communication power supply screen, the rectifier power supply module includes EMI filtering, full-bridge rectification, passive PFC, high-frequency inversion, isolation transformation
Device, high-frequency rectification and LC filtering.
With reference in a first aspect, in the first possible implementation of first aspect, the size of the communication power cabinet
For：It is long：600mm, it is wide：600mm is high：2000mm.
With reference in a first aspect, in second of possible implementation of first aspect, the batteries are one group of storage
Battery, and the capacity of battery is not more than 100Ah.
With reference to second of possible implementation of first aspect, in the third possible implementation of first aspect
In, the size of the communication power cabinet is：It is long：600mm, it is wide：600mm is high：2200mm, and the whole power supply system for communications
It is arranged in communication power cabinet.
With reference in a first aspect, in the 4th kind of possible implementation of first aspect, the micro computer monitoring unit is used
ARM920T extends memory, including 32M SDRAM, 2M as kernel, dominant frequency 200MHz, main circuit using CPU as core
NOR FLASH, 64M NANA FLASH to store various data respectively, and telecommunication circuit extends 6 serial ports, 1 10M Ethernet
Interface and 2 USB interfaces, realize the connection with multiple smart machines and data access.
The beneficial effects of the present invention are：
The present invention includes EMI filtering, full-bridge rectification, passive PFC, high-frequency inversion, isolating transformer, high-frequency rectification by that will use
The rectifier power supply module filtered with LC, improves the reliability and security performance of the power supply system for communications, by by storage battery
Put in communication power cabinet, reduce the volume of the whole power supply system for communications.
Brief description of the drawings
Fig. 1 is the front view and side view of power supply system for communications communication power cabinet of the present invention.
Fig. 2 is the theory diagram of the power supply system for communications of the present invention.
Fig. 3 is the operation principle block diagram of power supply system for communications rectifier power supply module of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
It should be understood that communication power supply safety and reliability traditional at present is poor, and volume is larger, it is impossible to meet communication system
Effectively operation for a long time.
The power supply system for communications of embodiments of the invention is described in detail with reference to Fig. 1, Fig. 2, Fig. 3.
The invention provides a kind of power supply system for communications, it is characterised in that：By communication power cabinet, Alternating Current Unit, whole
Flow before power module, Direct Current Distribution Unit, six part compositions of micro computer monitoring Dan Yuan ﹑ batteries, the communication power cabinet
Communication power supply screen is installed on panel, the rectifier power supply module include EMI filtering, full-bridge rectification, passive PFC, high-frequency inversion,
Isolating transformer, high-frequency rectification and LC filtering.
The features such as the system has automatization level height, small volume, function is complete, reliability is high, is electric wave carrier, optical cable
Communication products, programme-controlled exchange, the ideal operation power supply of mobile communication product, its operating ambient temperature：- 5 DEG C~40 DEG C；Air
Pressure：80kPa~110kPa；Relative humidity：The average maximum relative humidity of the most wet moon is 90%, while this month is average minimum
Temperature is 25 DEG C.And surface is without condensation；Installation site：Right angle setting, deviates benchmark either direction and is no more than 5 degree.
As shown in Fig. 2 two-way three-phase five-wire mode civil power is standby each other, civil power after Alternating Current Unit branch by entering
Civil power is divided into multichannel and is sent to respectively in each rectification module by the rectification unit of system, Alternating Current Unit, each rectification module rectification
The 48V obtained afterwards（24V）Direct current, each load is given by Direct Current Distribution Unit branch (wherein two-way is battery interface)；Just
Civil power 1 is powered in the case of often, when civil power 1 has a power failure or broken down, can be automatically switched to civil power 2 and be powered；If civil power 1 and civil power
2 when breaking down, and ALM, the batteries for being connected in parallel on system output start powering load；When under cell voltage
When dropping to 48V, send audible and visual alarm, when cell voltage drops to 44.5V, batteries cut off automatically, with battery-free because
Overdischarge and damage.When city power recovery is normal, system can resume work automatically；On the one hand micro computer monitoring unit receives direct current and matches somebody with somebody
The information of the serial rectification module of electricity, AC distribution and DMA14, and controlled accordingly；On the one hand a variety of communication parties can be passed through
Formula is connected to background computer, to realize Centralized Monitoring.According to Modem communication modes, the information of power-supply system can pass through public affairs
Common-battery phone network is sent to strange land far-end computer, and strange land computer can be controlled to power-supply system.
The rectifier power supply module possesses good current sharing energy, supports powered warm connection function, its operation principle such as Fig. 3 institutes
Show, the effect of its each several part is as follows：
EMI is filtered：Suppress the peak voltage interference of exchange input side, the harm that overvoltage is impacted to rectification module is down to most
It is small；Block the High-frequency Interference reverse transfer pollution power network that rectification module is produced.
Full-bridge rectification：AC-input voltage is directly transformed to by Rectified alternating current using rectifier bridge.
Passive PFC：Using Passive LC device, the 300Hz Rectified alternating currents that rectifier is obtained are converted into smooth direct current,
The power factor of corrected AC input circuit.
High-frequency inversion：Using MOSFET or IGBT switching power devices, input dc power is transformed to the height of adjustable pulse width
Frequency alternating-current pulse ripple.
High frequency transformer：By the isolation of high-frequency ac impulse wave, coupling output, realization exchange input is electric with direct current output
Isolation and power transmission.
High-frequency rectification：Using fast recovery diode, high-frequency ac impulse wave is transformed to dither direct current.
LC is filtered：Using Passive LC device, dither direct current is converted into smooth direct current electricity output.
The rectifier power supply module integrally possesses following technical characterstic：Switch change-over uses soft switch technique comprehensively, can be big
Width reduces the switching loss of power device, conversion efficiency is improved, simultaneously as voltage change ratio（dv/dt）And current changing rate
（di/dt）Reduce a lot, the electric stress that device for power switching is born is smaller, and reliability is greatly improved；Further, since dv/
Dt and di/dt reduction, the electromagnetic interference that high frequency switch power is produced also is greatly improved, and passes through whole electromagnetic compatibilities
（EMC）Experiment, is referred to as " green power supply "；Adjusted with automatic voltage regulation, current stabilization；Output voltage, current calibration；Stepless current limliting is adjusted
Section；Running status is indicated；Output voltage, electric current are shown；Input over-pressed, under-voltage, open-phase protection, output overvoltage, overcurrent protection, mould
Block overheat protector function；Using the decentralised control working method independent of upper monitoring, rectification module is by upper monitoring when normal
Control；Exited extremely in monitoring module or during communication disruption, rectification module is automatically into secure operating mode, by presetting
The operation of safe voltage value, it is ensured that the output of system normal charging voltage；Using rear plug-in connector, hot plug is supported to safeguard,
Rectification module is not turning off exchange input and replacing can be freely plugged in the case of direct current output, realizes and safely, quickly safeguards
Rectification module；Using full-bridge phase-shifting resonance high-frequency soft switch advanced technology, with frequency-invariant, it is easy to control, reliability is high
Feature.By the use of soft switch technique, module efficiency can be achieved and is more than 93%；It is autonomous equal that the stream of intermodule employs low difference
When Flow Technique, multiple rectification modules and machine operation, with preferable current sharing energy, flow uneven better than ± 3%；Module direct current
Output uses stepless current-limiting mode, can be selected according to the size and battery capacity of load current by integrated Centralized Monitoring module
Current-limiting points, precision of steady current is better than being provided with short-circuit contraction performance in 0.5%, and module, even if module is in long-term short-circuit shape
State will not also be damaged；From the long-life blower fan of low noise, according to the operating temperature rise of module, wind speed is automatically adjusted, blower fan is realized
Temperature control speed governing, greatly improved service life of fan, more than 100,000 hours；Using special radiator, make heat dissipation wind channel and inside
Circuit is completely isolated.The power device of heating is close to the surface of radiator, and high frequency transformer and filter reactor are placed in wind
In road.During fan operation, heat is discharged into rapidly module, radiating efficiency is both improved, the ash of blower fan suction can be effectively isolated again
Dirt is adsorbed onto in control board, and the heat dissipation wind channel import of module is also equipped with screen pack, can effectively prevent the suction of dust,
Circuit board in module has carried out three proofings and has shootd out processing, isolates electronic circuit and device surface electric insulation, can effectively prevent
The influence that the dust of air flow and Electrostatic Absorption insulate to modular circuit, greatly improves the job stability of module and reliable
Property.
As shown in figure 1, the size of the communication power cabinet is：It is long：600mm, it is wide：600mm is high：2000mm, preferably,
The size of the communication power cabinet is：It is long：600mm, it is wide：600mm is high：2200mm, when system only has a group storage battery, and storage
The capacity of battery is not more than 100Ah, whole system（Including batteries）It can be arranged in communication power cabinet；Communication power cabinet master
To be applied to the places such as Small Substation, middle-size and small-size mobile base station, microwave station.
The hardware composition of the micro computer monitoring unit using ARM920T as kernel, dominant frequency 200MHz, main circuit is with CPU
For core, extend memory, including 32M SDRAM, 2M NOR FLASH, 64M NANA FLASH to store various numbers respectively
According to telecommunication circuit extends 6 serial ports, 1 10M Ethernet interface and 2 USB interfaces, realizes the company with multiple smart machines
Connect and data access；In order to realize human-computer dialogue, the I/O interfaces connection of extension is colored（TFT）Touch display screen and alarm are exported
Relay, in addition, can increase watchdog circuit in addition, improves the stability of monitoring unit, it is ensured that monitoring system safe operation.
The software principle of the micro computer monitoring unit：Monitoring unit Software for Design employs the programmed method of object-oriented,
Program runs software and system configuration data are handled respectively, to strengthen the compatibility of different configuration systems.Monitoring system is used
Decentralized measure and control, the collecting and distributing pattern of centralized management.This design can make power-supply system combination convenient, flexible, and can
The failure factor that monitoring unit is introduced is minimized by, even if micro computer monitoring unit, which breaks down, can still ensure power supply system
System safe operation.
Micro computer monitoring unit by RS-485 buses to charging module, insulation monitoring and warning device and battery inspection device, and
Digital pick-up instrument and switching value acquisition module these smart machines implementation data acquisition, and shown；Also can be according to system
Various setting data carry out alert process, historical data management etc.；Meanwhile, the result of these processing can be judged, root
Battery management is carried out according to different situations, output control etc. is operated；Finally, monitoring unit can also pass through RS-485 interfaces and backstage
Computer communication, realizes " four is distant " function.
The major function of micro computer monitoring unit includes presentation of information, parameter setting, system control, alarm monitoring, history note
Record, data maintenance, communication function and battery management.The internal resistance of cell on-line testing particularly increased newly and data analysis function, can
Effectively user is helped to grasp battery performance at any time.
Presentation of information：Monitoring unit shows in real time after handling the various information that subordinate's smart machine is reported, these
Information includes gathered data, arrange parameter etc., includes working volts alternating current, charging device voltage and current, the battery of system
Group voltage and current, DC bus-bar voltage and insulaion resistance, rectification module voltage and current, battery pack single battery voltage and interior
Resistance, panel switches division state etc.., can the operation information of look-up system, alarm at any time by the LCD touch screen of monitoring unit
Information and historical data.Meanwhile, during systematic parameter is set, various facilities and dynamic help on-line can be shown
Information.
Parameter setting：It is the parameter that will be needed in monitoring unit or subordinate equipment running to set function, is touched by LCD
Touch screen to be input in system, influence the work of whole system afterwards in the operation that these parameters can be.Subordinate equipment is set
Put and realized by serial ports, whether monitoring module can point out to set succeeds.In addition, the setting of system is also classified into user class and work
Two ranks of level of factory, user class is referred to during monitoring module is run, to some conventional modifiable parameters, user
It can voluntarily change, and come into force at once；And factory level setting is core, important parameter, in addition to plant maintenance personnel, other
People can not change without authorization, and after modification factory level parameter, it is necessary to reset control unit, these parameters can come into force.Certainly,
User class and factory level, which are set, cipher protection function, and user can change at any time.
System is controlled：System control is monitoring unit according to institute's gathered data, and corresponding action is performed to subordinate equipment.This
A little actions include：Output voltage, the current-limiting points for adjusting charging module, the machine open/close of control charging module for finely tuning charging module
With all/float, the inner walkway of startup battery inspection.Control command is sent by serial ports, except monitoring unit can be held automatically
These controls of row are outer, and user can also manually perform these actions on the touchscreen, also pass through cryptographic check certainly.
Alarm monitoring：In monitoring system, the warning information that each subordinate equipment is produced sends single to monitoring by serial ports
Member, now monitoring unit meeting automatic spring alarm is shielded and shows current alarm information；In addition, monitoring unit also can be according to being gathered
Data voluntarily judge, and produce corresponding warning information.
Historical record：Historical record refers to by some in system operation important state and data, according to time etc.
Condition is stored in case inquiring about, and it includes alarm, event, insulation and test record.
Alarm record：The maximum storage of history alarm information is 128, when each the type including alarm, starting
Between and the end time, and ensure to disappear after power down, user can at any time browse on LCD.
Logout：The maximum storage of historical event information is 128, and the event type of record fills including battery,
Battery discharge, battery testing, record purge, system definite value is changed, the failure of system fixed value checking, battery management state change
Deng, and ensure to disappear after power down, user can at any time browse on LCD.
Insulation record：History insulation record is to record daily dc bus both positive and negative polarity insulation against ground resistance value,
Draw out the chart or curve of insulaion resistance change monthly.The maximum storage of record data is December, and user can be in LCD
On browse at any time, also can by USB interface download insulation historical data, for user ID achieve.
Test record：History test record is by the voltage and current of the last battery power discharge test process and every
The voltage and internal resistance value of batteries are recorded, including electric discharge initial time, finish time and period are every the test of half an hour
Data.User can at any time browse on LCD, the discharge test data of battery pack can also be downloaded by USB interface, for user
Achieve analysis.
Data maintenance：The maintenance of historical data includes alerting the clear of record, logout, insulation record and test record
Remove, and insulation record and the download of test record.It is to dispose to debug before putting equipment in service the stage to remove function, what experiment was produced
Historical record；Download function is the real time data of the operation of backup current system and battery inspection by USB flash disk, and insulation record and
The historical data of test record, achieves for user and analyzes.
Communication function：Monitoring unit communication includes the communication with subordinate equipment and backstage.Communication with subordinate equipment is used
RS485 modes, realize the purpose that multiple equipment is hung in a bus, each serial ports is handled up to 32 subordinates and set
It is standby；Communication with backstage directly can be connected power station automation equipment by RS485 buses or Ethernet, or pass through protocol conversion
Equipment come realize telecommunication connect.Communication function is one of topmost function of monitoring unit, all real time datas of system
All obtained with warning information by the part, and reporting for data is also to be realized by communicating.
Battery management：Battery management is the Core Feature of monitoring unit, and it is using two grades of monitoring modes, to the end of battery pack
Voltage, charging and discharging currents, battery ambient temperature and other parameters make real time on-line monitoring.Can be exactly according to the discharge and recharge of battery
Situation estimates the change of battery capacity, moreover it is possible to which the condition set in advance by user is transferred to current limliting and fills state automatically, and passes through control
Charging voltage processed and electric current fill process to complete the normal of battery.Maintenance is filled in the timing that battery can be automatically performed in addition ,/
The work such as float charge voltage temperature-compensating, realize full intelligentized control method, it is not necessary to manual intervention.The function that intelligent battery management is realized
It is as follows：
Current-limiting charge：Be basically unchanged in proof load electric current, using battery charge and total load electric current as Primary Reference according to
According to, by adjusting the output voltage and current-limiting points of charging module, steady load electric current controls the charging voltage and electric current of battery,
Prevent battery charging excessively stream.
Automatically fill：With battery charge and current-limiting charge time, or the continuous floating charge time is foundation, control charging
Module, which is transferred to, fills.
Automatic floating charge：Using battery charge or continuous bulk charge time as foundation, control charging module is transferred to floating charge.
Temperature-compensating：According to environment temperature, fine setting is compensated to the all/float voltage of battery.
Capacity analysis：Battery capacity is estimated according to battery current, charging and discharging state, about calculated once every 5 seconds
The variable quantity of battery capacity, and shown in real time on LCD, allow users to see at a glance the reality of battery capacity
Shi Bianhua.
Abnormality processing：When DC power system occurs abnormal, in order to ensure that battery is not damaged because overcharging, take into account simultaneously
To DC load conditions of demand, charging module can be set to floating charge state by force by monitoring unit automatically, until system recovery is normally
Only.
Expert system：Configured according to concrete engineering battery, set type, capacity and the amount of monomer of battery.Once setting
After these complete basic parameters, expert system can by all types of batteries exemplary maintenance data, calculate automatically and set relevant
Operational factor, Ru Jun ∕ float charge voltages value, charging current limiter value, greatly facilitate user management, effectively prevent irrational
Arrange parameter causes battery life to decline or damage.
Protected mode：Charging module automatically saves the float charge voltage value of expert system, has module to occur communication disruption, then mould
Block is run automatically into protection operational mode by the float charge voltage value of expert system.
Manual administration：System control selections are in manual mode, and battery management gives attendant to complete, attendant
It can select to carry out battery floating charge by menu or fill, by the output voltage and the current-limiting points realization pair that adjust rectification module
The voltage stabilizing current-limiting charge of battery, can also carry out switching on and shutting down control operation to charging module.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with
Realized with hardware, or firmware is realized, or combinations thereof mode is realized；In a word, it the foregoing is only technical solution of the present invention
Preferred embodiment, be not intended to limit the scope of the present invention.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (5)
1. a kind of power supply system for communications, it is characterised in that：By communication power cabinet, Alternating Current Unit, rectifier power supply module, direct current
Power supply unit, six parts of micro computer monitoring Dan Yuan ﹑ batteries are constituted, and communication is provided with the front panel of the communication power cabinet
Power supply panel, the rectifier power supply module includes EMI filtering, full-bridge rectification, passive PFC, high-frequency inversion, isolating transformer, high frequency
Rectification and LC filtering.
2. the power supply system for communications according to claim 1, it is characterised in that：The size of the communication power cabinet is：It is long：
600mm, it is wide：600mm is high：2000mm.
3. the power supply system for communications according to claim 1, it is characterised in that：The batteries are a group storage battery, and
The capacity of battery is not more than 100Ah.
4. the power supply system for communications according to claim 3, it is characterised in that：The size of the communication power cabinet is：It is long：
600mm, it is wide：600mm is high：2200mm, and the whole power supply system for communications is arranged in communication power cabinet.
5. the power supply system for communications according to claim 1, it is characterised in that：The micro computer monitoring unit uses ARM920T
As kernel, dominant frequency 200MHz, main circuit extends memory, including 32M SDRAM, 2M NOR using CPU as core
FLASH, 64M NANA FLASH to store various data respectively, and telecommunication circuit extends 6 serial ports, 1 10M Ethernet interface
With 2 USB interfaces, the connection with multiple smart machines and data access are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525524.6A CN107154742A (en) | 2017-06-30 | 2017-06-30 | A kind of power supply system for communications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525524.6A CN107154742A (en) | 2017-06-30 | 2017-06-30 | A kind of power supply system for communications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107154742A true CN107154742A (en) | 2017-09-12 |
Family
ID=59796092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525524.6A Withdrawn CN107154742A (en) | 2017-06-30 | 2017-06-30 | A kind of power supply system for communications |
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| Country | Link |
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| CN (1) | CN107154742A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834533A (en) * | 2017-11-28 | 2018-03-23 | 北京新能源汽车股份有限公司 | Electrical power distribution apparatus and electric vehicle |
| CN108199872A (en) * | 2017-12-28 | 2018-06-22 | 郑州易能科技有限公司 | A kind of power supply system for communications |
| CN110588396A (en) * | 2019-08-21 | 2019-12-20 | 深圳市海鹏信新能源有限公司 | Electric automobile charging stack system |
| CN112489404A (en) * | 2020-10-30 | 2021-03-12 | 浙江奔跑电器有限公司 | Embedded 5G communication series power supply system |
| CN113691005A (en) * | 2021-08-04 | 2021-11-23 | 深圳索瑞德电子有限公司 | 5G micro base station power supply method and 5G micro base station and photovoltaic inverter integrated cabinet |
-
2017
- 2017-06-30 CN CN201710525524.6A patent/CN107154742A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834533A (en) * | 2017-11-28 | 2018-03-23 | 北京新能源汽车股份有限公司 | Electrical power distribution apparatus and electric vehicle |
| CN108199872A (en) * | 2017-12-28 | 2018-06-22 | 郑州易能科技有限公司 | A kind of power supply system for communications |
| CN110588396A (en) * | 2019-08-21 | 2019-12-20 | 深圳市海鹏信新能源有限公司 | Electric automobile charging stack system |
| CN110588396B (en) * | 2019-08-21 | 2021-09-07 | 深圳市海鹏信新能源有限公司 | Electric automobile charging stack system |
| CN112489404A (en) * | 2020-10-30 | 2021-03-12 | 浙江奔跑电器有限公司 | Embedded 5G communication series power supply system |
| CN113691005A (en) * | 2021-08-04 | 2021-11-23 | 深圳索瑞德电子有限公司 | 5G micro base station power supply method and 5G micro base station and photovoltaic inverter integrated cabinet |
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Application publication date: 20170912 |