CN209119827U - A kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery - Google Patents
A kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery Download PDFInfo
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- CN209119827U CN209119827U CN201821182812.2U CN201821182812U CN209119827U CN 209119827 U CN209119827 U CN 209119827U CN 201821182812 U CN201821182812 U CN 201821182812U CN 209119827 U CN209119827 U CN 209119827U
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Abstract
The utility model provides a kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery, including MCU circuit unit, drive control circuit, and full charge and discharge and control circuit unit online, the complete online charge and discharge and control circuit unit include control signal and A, B, tri- terminals of C, and respectively with the battery group one-to-one first switch K1 and heavy-duty diode D1, cathode is connected to the end A after the heavy-duty diode D1 and first switch K1 are in parallel, anode is connected to the end B, and the anode of the end A connection communication power supply, the anode of the end B connection battery group, the cathode of C-terminal connection battery group；The input terminal of the drive control circuit is connect with the MCU circuit unit, and the output end of the drive control circuit is connect with the control signal of complete online charge and discharge and control circuit unit.Have many advantages, such as that energy saving, easy to operate, online power supply safety, test terminate to be charged and restored equipotential link online automatically.
Description
Technical field
The utility model relates to the power-source maintenance device in petrochemical industry communication base station, especially a kind of petrochemical industry communication base station electric power storage
The automatic energy saving on-line maintenance apparatus and system in pond.
Background technique
Petrochemical industry existing communication base station 48V communication power supply backup batteries, because of communication base station quantity, distribution is wide,
Sweeping reason, maintenance work labor intensity is high, at high cost, risk is big, maintenance work task is heavy and waste of energy
Problem causes most battery capacity discharge test maintenance work to fail to implement completely, causes to communication base station standby electric power storage
The actual capacity of pond group is not known about, and emergency guarantee powers duration is unclear, often because commercial power interruption not can be effectively carried out emergency hair
Electric management and running often lead to the generation of communication base station communication disruption accident, and battery is scrapped in advance, and these problems are stranded always
Disturb communication power supply maintenance management worker and specific maintenance staff in entire petrochemical industry.
For the complete online unattended intelligent monitoring pipe for realizing petrochemical industry communication station 48V communication power supply backup batteries
Reason, the volume test of online accumulator cell charging and discharging is automatically performed by remotely monitoring, and controls now net all online battery packs appearances in time
Amount and the data for ensureing powers duration, reduce the labor intensity of maintenance personnel, and the spending of reduction maintenance cost, raising communication base station are logical
Believe power supply running quality and whole maintenance work efficiency, promotes the integrated maintenance management level of communication base station safe operation, take
Scientific and effective maintenance management technology extends battery group service life, realizes that the online battery group of petrochemical industry communication station the whole network is filled
Discharge capacity detects automatically and the automatic maintenance management of system.
The method that traditional battery group electric discharge is discharged using offline fictitious load, the electricity of battery are all depleted to
In fictitious load, it is fully converted to heat and dissipates out, it will thus provide environment temperature.And base station is equipped with air-conditioning all generally to maintain computer room
Constant temperature, therefore to consume additional air-conditioning electric power to cool down.
Utility model content
The technical problems to be solved in the utility model is that the automatic energy saving for providing a kind of petrochemical industry communication base station battery exists
It is hidden safely to efficiently solve offline discharge operation, power supply and the online overall process maintenance test of recovery for line maintenance device and system
Suffer from problem, there is energy saving, easy to operate and safe, online power supply safety, test to terminate the electricity such as charged and restored online automatically
The advantages that position connection.
The utility model is realized in this way: a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery,
Petrochemical industry communication base station includes power load, communication power supply and battery group, and the communication power supply and battery group are power load
Power supply, the automatic energy saving on-line maintenance device include MCU circuit unit, drive control circuit, and complete online charge and discharge with
Control circuit unit, the complete online charge and discharge and control circuit unit include tri- terminals of control signal and A, B, C, with
And respectively with the one-to-one first switch K1 of the battery group and heavy-duty diode D1, the heavy-duty diode D1
It is connected to the end A with cathode after first switch K1 parallel connection, anode is connected to the end B, and the anode of the end A connection communication power supply, the connection of the end B
The anode of battery group, C-terminal connect the cathode of battery group；The input terminal of the drive control circuit and the MCU circuit list
Member connection, the output end of the drive control circuit are connect with the control signal of complete online charge and discharge and control circuit unit；
When battery group is in online step-up discharge, the MCU circuit unit passes through the drive control circuit institute
Complete online charge and discharge and control circuit unit work are stated in boost mode, to make the battery group carry out boosting and be more than institute
When stating the end voltage of communication power supply, the battery group discharges to power load；
When battery group is in online current-limiting charge, the MCU circuit unit passes through the drive control circuit institute
Complete online charge and discharge and control circuit unit work are stated in decompression mode, limit the communication power supply to the battery group
Current charge until current-limiting charge electric current gradually decreases to set threshold value, then makes the battery group be restored to equipotential and exists
Line connection status.
Further, the complete online charge and discharge and control circuit unit further include high frequency dcdc converter M1；The height
Frequency dcdc converter M1 include convertor controls end, converter input terminal, converter output terminal, first couple of switching contactor K2 and
Second couple of switching contactor K3, first couple of switching contactor K2 include contact P1 and contact P2, and second pair of switching connects
Tentaculum K3 includes contact P3 and contact P4；The C is connected to after the converter input terminal and the converter output terminal are in parallel
The end A is connected to after the cathode of end, the contact P1, contact P3 and heavy-duty diode D1 are in parallel；The contact P2, touching
Point P4, heavy-duty diode anode it is in parallel after be connected to the end B；The convertor controls end is connected to the MCU circuit
Unit；
When the MCU circuit unit is disconnected by the drive control circuit first switch K1, the MCU circuit list
Member first pair of switching contactor K2 switching of control arrives P2, when second pair of switching contactor K3 switching is to P3, the online charge and discharge entirely
For electricity with control circuit unit work in boost mode, battery group enters online discharge test loop state, the MCU circuit list
Voltage and current value of the member by drive control circuit high frequency dcdc converter M1 output setting, the MCU circuit unit
Electric current is tested according to the end B battery discharge, adjusts the output of high frequency dcdc converter M1 come dynamic in real time by drive control circuit
Voltage, to realize the boosting of battery group；
The MCU circuit unit keeps first switch K1 to disconnect by the drive control circuit, the MCU circuit unit
First pair of switching contactor K2 switching is controlled to P1, second pair of switching contactor K3 switching to P4 makes the complete online charge and discharge
With control circuit unit work in decompression mode, then the MCU circuit unit is become by drive control circuit high frequency DCDC
The output voltage and current value of parallel operation M1 reaches the charging voltage and current value of setting, and the communication power supply passes through complete online charge and discharge
Electricity and control circuit unit carry out current-limiting charge to battery group, until current-limiting charge electric current gradually decreases to set threshold
Value, the MCU circuit unit continues to adjust the output voltage and electric current of high frequency dcdc converter M1 by drive control circuit, real
Now charge to battery group, until the upper limit of voltage and the lower limit of bulk charge stream filled reach the condition of setting,
Stop filling again, the MCU circuit unit is closed by drive control circuit first switch K1, is then shut off high frequency DCDC
The output of converter M1 finally disconnects K2 and K3, battery group is made to be restored to equipotential on-line joining process state.
Further, the output voltage of the real-time dynamic adjustment high frequency dcdc converter M1 is: when high frequency DCDC is converted
When the current value of device M1 is less than the current value of setting, the duty ratio of drive control circuit high frequency dcdc converter M1 is increased,
And then the output voltage of high frequency dcdc converter M1 is increased；Conversely, the current value as high frequency dcdc converter M1 is greater than setting
Current value when, then the duty ratio of drive control circuit high frequency dcdc converter M1 reduces, and then high frequency DCDC is converted
The output voltage of device M1 reduces.
Further, the drive control circuit include for control the first of first couple of switching contactor K2 after
Electric appliance standard driving circuit, for controlling the second relay standard driving circuit of second couple of switching contactor K3, and
For controlling the RS485 telecommunication circuit of the high frequency dcdc converter M1；
The driving end D1 of the first relay standard driving circuit is connected to first pair of switching contactor K2, described
First relay standard driving circuit is also attached to the pin E of the MCU circuit unit；
The driving end D2 of the second relay standard driving circuit is connected to second pair of switching contactor K3, described
Second relay standard driving circuit is also attached to the pin F of the MCU circuit unit；
The driving end D3 of the RS485 telecommunication circuit is connected to the communication ends of the high frequency dcdc converter M1, described
RS485 telecommunication circuit is also attached to the pin G of the MCU circuit unit.
Further, the quantity of the battery group is two groups, and the quantity of the heavy-duty diode D1 is two, described
The quantity of first switch K1 is two, and the petrochemical industry communication base station further includes two contactors, the cathode of a battery group
With a contactor series connection, the cathode of another battery group and another contactor series connection, the two battery groups
Anode it is in parallel after be connected to the end B, be connected to the C-terminal, a heavy-duty diode after two contactors are in parallel
The first switch K1 of D1 and one is in parallel, and another heavy-duty diode D1 and another first switch K1 are in parallel, two institutes
It is connected to the end A after stating the cathode parallel connection of heavy-duty diode D1, is connected to the end B after anode is in parallel.
It further, further include monomer acquisition unit, end voltage collection circuit and current collection circuit；
The monomer acquisition unit includes a plurality of monomer modules and a monomer collection module, a plurality of monomer modules
It is all connected with the monomer collection module, a plurality of monomer modules correspond the positive and negative anodes of the single battery of battery group；
The end voltage collection circuit is attempted by the both ends of battery group, and the current collection circuit is serially connected in battery group
One end, and the end voltage collection circuit and the current collection circuit are connect with the MCU circuit unit.
It further, further include that data store and human-computer interaction circuit, the data storage and human-computer interaction circuit and institute
State the connection of MCU circuit unit.
It further, further include working power circuit, the working power circuit is connect with the MCU circuit unit.
Further, further include backstage RS485 and its expanded circuit, the backstage RS485 and its expanded circuit with it is described
The connection of MCU circuit unit.
The utility model also provides a kind of automatic energy saving on-line maintenance system of petrochemical industry communication base station battery, including described
Automatic energy saving on-line maintenance device further includes background monitoring network management center, which is connected by Ethernet
The MCU circuit unit.
The utility model has the advantages that
(1) the utility model is the input of the test device with online communication power supply and the voltage at backup batteries both ends
Working power meets battery flash-over characteristic, related communication power supply operation and maintenance norm standard and the test of battery group maintenance and wants
It asks, discharge examination is complete online and maintains electric discharge energy-saving safe.
(2) the utility model is concatenated by the seamless link technology of heavy-duty diode with tested battery pack,
Guarantee that tested battery group is in safe presence always, does not influence the normal safe power supply to communication system device, it is real
Now tested battery group online discharges to actual load with the discharge parameter that test device is set.
(3) the utility model has battery group to communication device load energy-saving safe discharging function, is suitable for existing net not
Same various communication device load power supply backup batteries carry out online constant-current discharge test.
(4) after the utility model completes discharge capacity test, test device is passed through by communication power supply output power supply
It automatically controls and carries out online current-limiting charge, and complete equipotential secure connection.
(5) the utility model uses transformer isolation formula DCDC technology, is switched by the switching of input and output, so that tested
Battery pack energy depth constant-current discharge.The charging processes such as it is able to achieve current limliting, pressure limiting when charging and fills, it is former without adjusting
Any running parameter of some Switching Power Supplies.
(6) the utility model has used input DCDC output dip switch, realizes the isolated DCDC module of single transformer
Input and output direction transformation, reach the target of the charge and discharge to tested battery group.
(7) the utility model passes through first current-limiting charge, and rear constant-voltage charge, finally three stage batteries of charging fill
Power technology, ensure battery can real full charging, maintain the capacity equilibrium state of battery, will not because of battery discharge test and
Worry battery problem out of balance.
(8) the utility model and tradition are efficiently solved offline using intelligent fictitious load progress off-line test comparison
Discharge operation, power supply and the online overall process maintenance test security hidden trouble of recovery, have energy saving, easy to operate and safe, online
Power supply safety, test terminate the advantages that being charged online automatically and restore equipotential link.
(9) the utility model uses monomer acquisition unit, with wired voltage tester way to manage preservation & testing, operation letter
Just, system maintenance work safety is improved.
(10) the utility model has pressure stabilizing current limliting, current stabilization limited-voltage control defencive function, and output overcurrent, overvoltage
Protection and over-voltage shutdown defencive function, have the online discharge capacity detection of communication backup battery group and safe power supply protects feature.
(11) the utility model be also equipped with and and distributed one-to-one monomer module carry out Collect jointly battery cell voltage,
The ability of internal resistance and negative terminal temperature data, and these data are uploaded to background net management monitoring center in real time.It is being simultaneously
System to battery group carry out charge-discharge test during, also by real-time storage in in local storage.
Detailed description of the invention
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the theory structure block diagram of the utility model automatic energy saving on-line maintenance device.
Fig. 2 is complete online charge and discharge and control circuit unit embodiment in the utility model automatic energy saving on-line maintenance device
One theory structure block diagram.
Fig. 3 is complete online charge and discharge and control circuit unit embodiment in the utility model automatic energy saving on-line maintenance device
Two theory structure block diagram.
Fig. 4 is the theory structure block diagram of the utility model automatic energy saving on-line maintenance system.
Fig. 5 is the theory structure block diagram of drive control circuit in the utility model automatic energy saving on-line maintenance device.
In figure: 100, power load；200, communication power supply；300, battery group；301, single battery；400, automatic energy saving
On-line maintenance device；410, complete online charge and discharge and control circuit unit；411, high frequency dcdc converter M1；412, it cuts for first pair
Changing-over tentaculum K2；413, second couple of switching contactor K3；414, heavy-duty diode D1；415, first switch K1；420, it drives
Control circuit；430, MCU circuit unit；440, working power circuit；450, monomer acquisition unit；451, monomer module；452,
Monomer collection module；460, voltage collection circuit is held；470, current collection circuit；480, backstage RS485 and its expanded circuit；
490, data storage and human-computer interaction circuit；500, background monitoring network management center；600, contactor.
Specific embodiment
It please refers to shown in Fig. 1 to 5, the automatic energy saving that the utility model provides a kind of petrochemical industry communication base station battery is tieed up online
Protection unit, the petrochemical industry communication base station being related to include power load 100, communication power supply 200 and battery group 300, the communication electricity
Source 200 and battery group 300 are the power supply of power load 100, suitable for now netting various communication device loads, communication power supply in figure
200 by taking 48V as an example, but the utility model is without being limited thereto.
The automatic energy saving on-line maintenance device 400 includes MCU circuit unit 430, drive control circuit 420, Yi Jiquan
Online charge and discharge and control circuit unit 410, the complete online charge and discharge and control circuit unit 410 include control signal and
A, tri- terminals of B, C, and respectively with the one-to-one first switch K1 of the battery group 300 and heavy-duty diode
D1, as shown in Fig. 2, cathode is connected to the end A after the heavy-duty diode D1 and first switch K1 are in parallel, anode is connected to B
End, and the anode of the end A connection communication power supply 200, the end B connect the anode of battery group 300, and the end C connects battery group 300
Cathode；The input terminal of the drive control circuit 420 is connect with the MCU circuit unit 430, the drive control circuit 420
Output end connect with complete online charge and discharge with the control signal of control circuit unit 410；In this way, when tested battery group
When 300 progress on-line testing working condition, heavy-duty diode D1 is connected to battery group 300 and power supply system for communications device
DC distributor between, guarantee that tested battery group 300 always in safe presence, does not influence to communication system bulk cargo
The normal safe power supply set.
When battery group 300 is in online step-up discharge, the MCU circuit unit 430 passes through the drive control circuit
The 420 controls complete online charge and discharge and control circuit unit 410 work in boost mode, to make the battery group 300
When boost and be more than the end voltage of the communication power supply 200, the battery group 300 discharges to power load 100；
When the voltage that battery group 300 is risen is more than the voltage of communication power supply 200, battery group 300 will be realized to power load 100
It discharges, discharge current size depends on the electricity of pre-arcing set by the electric current and MCU circuit unit 430 of power load 100
Lesser electric current in size is flowed, for example, when the electric current of power load 100 is 100A, it is pre- set by MCU circuit unit 430 to put
Electric current is 50A, then discharge current is up to 50A at this time；When the electric current of power load 100 is 50A, 430 institute of MCU circuit unit
The pre-arcing electric current set is 100A, then discharge current is up to 50A at this time；
When battery group 300 is in online current-limiting charge, the MCU circuit unit 430 passes through the drive control circuit
The 420 controls complete online charge and discharge and control circuit unit 410 work in decompression mode, make 200 pairs of institutes of the communication power supply
It states battery group 300 and carries out current-limiting charge, until current-limiting charge electric current gradually decreases to set threshold value, then make the electric power storage
Pond group 300 is restored to equipotential on-line joining process state.
Wherein,
The practical MCU circuit unit 430 is MCU unit and its support circuit 430, is with the system program directive of MCU
Control model, to control all coupled and relevant all peripheral circuits or module；
The complete online charge and discharge and control circuit unit 410 further include high frequency dcdc converter M1；The high frequency DCDC
Converter M1 includes convertor controls end, converter input terminal, converter output terminal, first couple of switching contactor K2 and second pair
Switching contactor K3, first couple of switching contactor K2 include contact P1 and contact P2, second couple of switching contactor K3
Including contact P3 and contact P4；It is connected to the C-terminal after the converter input terminal and the converter output terminal are in parallel, it is described
The end A is connected to after the cathode of contact P1, contact P3 and heavy-duty diode D1 are in parallel；The contact P2, contact P4, big function
The end B is connected to after the anode of rate diode is in parallel；The convertor controls end is connected to the MCU circuit unit 430；
Wherein first switch K1 is normally closed contactor, and first couple of switching contactor K2 and second couple of switching contactor K3 are double
Switching contactor mould group, under default situations, first switch K1 closure, first couple of switching contactor K2 and second pair of switching contactor
K3 is disconnected, and battery group 300 is in and 200 equipotential link state of communication power supply.When first switch K1 is disconnected, first pair switches
Contactor K2 switching is to P2, and when second pair of switching contactor K3 switching is to P3, battery group 300 enters online discharge test
Loop state, when tested 300 discharge test of battery group finishes, first pair of switching contactor K2 switching to P1, second pair switches
Contactor K3 switching is to P4, and battery group 300 enters online charging measurement loop state, first current-limiting charge, rear constant-voltage charge, most
After charge, it is ensured that can complete full charging.After charging, first switch K1 closure, first couple of switching contactor K2
It is disconnected with second couple of switching contactor K3, battery group 300 is restored to the equipotential on-line joining process state of default.
The online step-up discharge process of battery group 300 is specifically: the MCU circuit unit 430 is controlled by the driving
Circuit 420 processed controls first switch K1 and disconnects, and the MCU circuit unit 430 controls first pair of switching contactor K2 switching and arrives
P2, when second pair of switching contactor K3 switching is to P3, the complete online charge and discharge and control circuit unit 410 work in boosting mould
Formula, battery group 300 enter online discharge test loop state, and the MCU circuit unit 430 passes through drive control circuit 420
The voltage and current value of high frequency dcdc converter M1 output setting is controlled, the MCU circuit unit 430 is according to the end B battery discharge
Electric current is tested, adjusts the output voltage of high frequency dcdc converter M1 come dynamic in real time by drive control circuit 420, it is described real-time
The output voltage of dynamic adjustment high frequency dcdc converter M1 is: when the current value of high frequency dcdc converter M1 is less than the electricity of setting
When flow valuve, the MCU circuit unit 430 controls the duty ratio liter of high frequency dcdc converter M1 by drive control circuit 420
Height, and then the output voltage of high frequency dcdc converter M1 is increased；To realize the boosting of battery group 300；When the electricity risen
For pressure when (for example, range by a small margin is 0 to 200mV) is more than the voltage of communication power supply 200 by a small margin, battery group 300 will be real
It now discharges power load 100, discharge current size depends on set by power load 100 and MCU circuit unit 430
Pre-arcing size of current.With the progress of discharge process, the end voltage of battery group 300 is continued to decline, drive control circuit
420 have hardware current loop and voltage loop monitoring capability, and dynamic adjusts the output electricity of high frequency dcdc converter M1 in real time
Parameter is pressed, keeps entire step-up discharge safely controllable, is finally completed the process of the online energy conservation electric discharge of entire depth.And driving is controlled
For circuit 420 processed, MCU unit is then to the benchmark of a DA (digital signal turns analog signal), including voltage reference and electricity
Ductility limit stream benchmark.
After online step-up discharge process, the end voltage of battery group 300 is much lower compared with communication power supply 200,
It needs to charge to battery group 300 by complete online charge and discharge and the current-limiting charging circuit of control circuit unit 410, avoid
Directly by the battery group 300 of power shortage be directly merges into communication power supply 200 and caused by heavy current impact.
The online current-limiting charge process of battery group 300 is specifically: the MCU circuit unit 430 is controlled by the driving
Circuit 420 processed keeps first switch K1 to disconnect, and the MCU circuit unit 430 controls first pair of switching contactor K2 switching and arrives
P1, second pair of switching contactor K3 switching to P4 make the complete online charge and discharge and the work of control circuit unit 410 in decompression mould
Formula, then the MCU circuit unit 430 controls the output voltage and electricity of high frequency dcdc converter M1 by drive control circuit 420
Flow valuve reaches the charging voltage and current value of setting, and the communication power supply 200 passes through complete online charge and discharge and control circuit unit
410 pairs of battery groups 300 carry out current-limiting charge, until current-limiting charge electric current gradually decreases to set threshold value (for example, threshold value
For 0.1C), the MCU circuit unit 430 continues to adjust the output electricity of high frequency dcdc converter M1 by drive control circuit 420
Pressure and electric current, realization charges to battery group 300, until the upper limit of voltage and the lower limit of bulk charge stream filled reach
To the condition (for example, the upper limit of the voltage filled set be 3.5A for the lower limit of 56.4V and bulk charge stream) set, then stop
It fills, the MCU circuit unit 430 controls first switch K1 closure by drive control circuit 420, is then shut off high frequency
The output of dcdc converter M1 finally disconnects K2 and K3, battery group 300 is made to be restored to equipotential on-line joining process state.
The output voltage of the real-time dynamic adjustment high frequency dcdc converter M1 is: when the electricity of high frequency DCDC converter M1
When flow valuve is less than the current value of setting, the MCU circuit unit 430 controls high frequency DCDC transformation by drive control circuit 420
The duty ratio of device M1 increases, and then the output voltage of high frequency dcdc converter M1 is increased；Conversely, working as high frequency dcdc converter
When the current value of M1 is greater than the current value of setting, then the MCU circuit unit 430 passes through drive control circuit high frequency DCDC
The duty ratio of converter M1 reduces, and then the output voltage of high frequency dcdc converter M1 is reduced.
The drive control circuit 420 includes the first relay standard for controlling first couple of switching contactor K2
Driving circuit, for controlling the second relay standard driving circuit of second couple of switching contactor K3, and for controlling
The RS485 telecommunication circuit of the high frequency dcdc converter M1；
The driving end D1 of the first relay standard driving circuit is connected to first pair of switching contactor K2, described
First relay standard driving circuit is also attached to the pin E of the MCU circuit unit；
The driving end D2 of the second relay standard driving circuit is connected to second pair of switching contactor K3, described
Second relay standard driving circuit is also attached to the pin F of the MCU circuit unit；
The driving end D3 of the RS485 telecommunication circuit is connected to the communication ends of the high frequency dcdc converter M1, described
RS485 telecommunication circuit is also attached to the pin G of the MCU circuit unit.
The utility model can also apply in the case where having plurality of groups of storage batteries group 300, need to only increase described high-power two
The quantity of pole pipe D1 and first switch K1, make each battery group 300 respectively with the heavy-duty diode D1 and first switch
K1 is corresponded, and each battery group 300 is controlled by a heavy-duty diode D1 and first switch K1, is such as schemed
Shown in 3, a specific embodiment, the quantity of the battery group 300 is two groups, wherein a group storage battery group 300 is as spare；Institute
The quantity for stating heavy-duty diode D1 is two, and the quantity of the first switch K1 is two, and the petrochemical industry communication base station also wraps
Two contactors 600 are included, the cathode of a battery group 300 and a contactor 600 are connected, another battery group
300 cathode and the series connection of another contactor 600, are connected to the end B after the anode of the two battery groups 300 is in parallel,
The C-terminal is connected to after two 600 parallel connections of contactor, a first switch K1 of heavy-duty diode D1 and one is simultaneously
Connection, another heavy-duty diode D1 and another first switch K1 are in parallel, the cathode of the two heavy-duty diode D1
It is connected to the end A after parallel connection, is connected to the end B after anode is in parallel.In specific test, the MCU circuit unit is only needed
430, which control one of contactor 600 by drive control circuit 420, is closed, remaining contactor 600 disconnects, and is then somebody's turn to do
The online charge-discharge test of group storage battery group 300, referring specifically to the online step-up discharge mistake of above-mentioned battery group 300
Journey and online in current-limiting charge process.After the battery group 300 is completed, the MCU circuit unit 430 passes through driving control
Circuit 420 processed controls another contactor 600 closure, remaining contactor 600 disconnects, and carries out the online charge and discharge of battery group 300
Electrical testing, and so on, only one contactor 600 of control is closed every time, until all battery groups 300 are tested
Finish.
It further include monomer acquisition unit 450, end voltage collection circuit 460 and current collection circuit 470；
The monomer acquisition unit 450 includes a plurality of monomer modules 451 and a monomer collection module 452, a plurality of institutes
It states monomer module 451 and is all connected with the monomer collection module 452, a plurality of monomer modules 451 correspond battery group
The positive and negative anodes of 300 single battery 301, for data such as the voltage of real-time detection single battery 301, internal resistance and pole temperature.
These monomer modules 451 pass through RS485 bus again, and by data summarization to monomer collection module 452, monomer collection module 452 will
Data after summarizing are by RS485 bus transfer into MCU circuit unit 430.MCU circuit unit 430 just has monomer in this way
The related data of battery 301, then cooperate the group end voltage of battery group 300, the data such as electric current are combined into complete data packet,
Background monitoring network management center 500 is transferred to finally by Ethernet.In this way, the utility model automatic energy saving on-line maintenance device
400 MCU circuit unit 430 connect to form automatic energy saving on-line maintenance system with background monitoring network management center 500.
The end voltage collection circuit 460 is attempted by the both ends of battery group 300, and the current collection circuit 470 concatenates
In one end of battery group 300, and the end voltage collection circuit 460 and the current collection circuit 470 are electric with the MCU
Road unit 430 connects.It holds voltage collection circuit 460 and current collection circuit 470 is that battery group discharging tester detects
Line is tested the on-Line Voltage of battery group 300, group end voltage, charging current and discharge current.On the one hand these can be existed in real time
Line monitoring data remote transmission is to background monitoring network management center 500, for user's real time inspection and early warning；On the other hand it will be used as and be
It unites in charge and discharge process, controls the judgment basis of current stabilization charge and discharge and charge and discharge stop condition.Such as root during discharge test
It is compared according to the size of current of real-time measurement and the size of current of setting, realizes the control of current stabilization；Such as according to minimum
Unit cell voltage value and setting monomer battery voltage lower threshold compare, and system can just determine whether to terminate discharge test etc..
In addition, the utility model further includes data storage and human-computer interaction circuit 490, the data store and human-computer interaction
Circuit 490 is connect with the MCU circuit unit 430.
It further include working power circuit 440, the working power circuit 440 is connect with the MCU circuit unit 430.
It further include backstage RS485 and its expanded circuit 480, the backstage RS485 and its expanded circuit 480 and the MCU
Circuit unit 430 connects.
Data storage and human-computer interaction circuit 480 provide good data storage and man-machine interaction mode for device, described
After working power circuit 440 provides working power, the backstage RS485 and its expanded circuit 480 for connecting for whole device
Platform monitors network management center 500 and monomer collection module 452.
The utility model also provides a kind of automatic energy saving on-line maintenance system of petrochemical industry communication base station battery, including described
Automatic energy saving on-line maintenance device 400 further includes background monitoring network management center 500, the background monitoring network management center 500 by with
Too net connects the MCU circuit unit 430.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (9)
1. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery, petrochemical industry communication base station include power load,
Communication power supply and battery group, the communication power supply and battery group are power load power supply, it is characterised in that: the automatic section
Energy on-line maintenance device includes MCU circuit unit, drive control circuit, and complete online charge and discharge and control circuit unit, institute
State complete online charge and discharge and control circuit unit include tri- terminals of control signal and A, B, C, and respectively with the storage
The one-to-one first switch K1 of battery pack and heavy-duty diode D1, the heavy-duty diode D1 and first switch K1 are simultaneously
Cathode is connected to the end A after connection, and anode is connected to the end B, and the anode of the end A connection communication power supply, and the end B is connecting battery group just
Pole, C-terminal connect the cathode of battery group；The input terminal of the drive control circuit is connect with the MCU circuit unit, the drive
The output end of dynamic control circuit is connect with the control signal of complete online charge and discharge and control circuit unit；
When battery group is in online step-up discharge, the MCU circuit unit passes through complete described in the drive control circuit
Online charge and discharge and control circuit unit work in boost mode, so that the battery group be made to carry out boosting and be more than described logical
When believing the end voltage of power supply, the battery group discharges to power load；
When battery group is in online current-limiting charge, the MCU circuit unit passes through complete described in the drive control circuit
Online charge and discharge and control circuit unit work in decompression mode, so that the communication power supply is carried out current limliting to the battery group and fill
Electricity until current-limiting charge electric current gradually decreases to set threshold value, then makes the battery group be restored to equipotential and connects online
Connect state；
The complete online charge and discharge and control circuit unit further include high frequency dcdc converter M1；The high frequency dcdc converter M1
Including convertor controls end, converter input terminal, converter output terminal, first couple of switching contactor K2 and second pair of switching contact
Device K3, first couple of switching contactor K2 include contact P1 and contact P2, and second couple of switching contactor K3 includes contact
P3 and contact P4；It is connected to the C-terminal after the converter input terminal and the converter output terminal are in parallel, the contact P1,
The end A is connected to after the cathode of contact P3 and heavy-duty diode D1 are in parallel；The contact P2, contact P4, high-power two pole
The end B is connected to after the anode of pipe is in parallel；The convertor controls end is connected to the MCU circuit unit；
When the MCU circuit unit is disconnected by the drive control circuit first switch K1, the MCU circuit unit control
First pair of switching contactor K2 switching is made to P2, when second pair of switching contactor K3 switching is to P3, the complete online charge and discharge with
In boost mode, battery group enters online discharge test loop state for control circuit unit work, and the MCU circuit unit is logical
Control circuit of overdriving controls the voltage and current value of high frequency dcdc converter M1 output setting, and the MCU circuit unit is according to B
It holds battery discharge to test electric current, adjusts the output voltage of high frequency dcdc converter M1 come dynamic in real time by drive control circuit,
To realize the boosting of battery group；
The MCU circuit unit keeps first switch K1 to disconnect by the drive control circuit, the MCU circuit unit control
First pair of switching contactor K2 switching is to P1, second pair of switching contactor K3 switching to P4, makes the complete online charge and discharge and control
Circuit unit work processed is in decompression mode, then the MCU circuit unit passes through drive control circuit high frequency dcdc converter
The output voltage and current value of M1 reaches the charging voltage and current value of setting, the communication power supply by complete online charge and discharge with
Control circuit unit carries out current-limiting charge to battery group, until current-limiting charge electric current gradually decreases to set threshold value, institute
MCU circuit unit is stated to continue to adjust the output voltage and electric current of high frequency dcdc converter M1, realization pair by drive control circuit
Battery group charges, and the upper limit of voltage until filling and the lower limit of bulk charge stream reach the condition of setting, then stop
It only fills, the MCU circuit unit is closed by drive control circuit first switch K1, is then shut off high frequency DCDC transformation
The output of device M1 finally disconnects K2 and K3, battery group is made to be restored to equipotential on-line joining process state.
2. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
It is:
The output voltage of the real-time dynamic adjustment high frequency dcdc converter M1 is: when the current value of high frequency dcdc converter M1 is small
When the current value of setting, the duty ratio of drive control circuit high frequency dcdc converter M1 is increased, and then by high frequency DCDC
The output voltage of converter M1 increases；Conversely, then being driven when the current value of high frequency dcdc converter M1 is greater than the current value of setting
The duty ratio of dynamic control circuit control high frequency dcdc converter M1 reduces, and then by the output voltage drop of high frequency dcdc converter M1
It is low.
3. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
Be: the drive control circuit includes driving electricity for controlling the first relay standard of first couple of switching contactor K2
Road, for controlling the second relay standard driving circuit of second couple of switching contactor K3, and for controlling the height
The RS485 telecommunication circuit of frequency dcdc converter M1；
The driving end D1 of the first relay standard driving circuit is connected to first pair of switching contactor K2, and described first
Relay standard driving circuit is also attached to the pin E of the MCU circuit unit；
The driving end D2 of the second relay standard driving circuit is connected to second pair of switching contactor K3, and described second
Relay standard driving circuit is also attached to the pin F of the MCU circuit unit；
The driving end D3 of the RS485 telecommunication circuit is connected to the communication ends of the high frequency dcdc converter M1, and the RS485 is logical
Letter circuit is also attached to the pin G of the MCU circuit unit.
4. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
Be: the quantity of the battery group is two groups, and the quantity of the heavy-duty diode D1 is two, the first switch K1's
Quantity is two, and the petrochemical industry communication base station further includes two contactors, the cathode of a battery group and a contact
Device series connection, the cathode of another battery group and another contactor series connection, after the anode of the two battery groups is in parallel
It is connected to the end B, is connected to the C-terminal after two contactors are in parallel, a heavy-duty diode D1 and one described the
One switch K1 is in parallel, and another heavy-duty diode D1 and another first switch K1 are in parallel, two high-power two poles
It is connected to the end A after the cathode of pipe D1 is in parallel, is connected to the end B after anode is in parallel.
5. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
It is: further includes monomer acquisition unit, end voltage collection circuit and current collection circuit；
The monomer acquisition unit includes a plurality of monomer modules and a monomer collection module, and a plurality of monomer modules connect
The monomer collection module is connect, a plurality of monomer modules correspond the positive and negative anodes of the single battery of battery group；
The end voltage collection circuit is attempted by the both ends of battery group, and the current collection circuit is serially connected in the one of battery group
End, and the end voltage collection circuit and the current collection circuit are connect with the MCU circuit unit.
6. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
It is: further includes that data store and human-computer interaction circuit, the data storage and human-computer interaction circuit and the MCU circuit unit
Connection.
7. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
It is: further includes working power circuit, the working power circuit is connect with the MCU circuit unit.
8. a kind of automatic energy saving on-line maintenance device of petrochemical industry communication base station battery according to claim 1, feature
It is: further includes backstage RS485 and its expanded circuit, the backstage RS485 and its expanded circuit and the MCU circuit unit connects
It connects.
9. a kind of automatic energy saving on-line maintenance system of petrochemical industry communication base station battery, it is characterised in that: including such as claim 1
It further include background monitoring network management center to any one of 5 automatic energy saving on-line maintenance device, the background monitoring network management center
The MCU circuit unit is connected by Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182812.2U CN209119827U (en) | 2018-07-25 | 2018-07-25 | A kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182812.2U CN209119827U (en) | 2018-07-25 | 2018-07-25 | A kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery |
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| CN209119827U true CN209119827U (en) | 2019-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504478A (en) * | 2021-07-09 | 2021-10-15 | 广东电网有限责任公司 | Storage battery pack charging and discharging test system |
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2018
- 2018-07-25 CN CN201821182812.2U patent/CN209119827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504478A (en) * | 2021-07-09 | 2021-10-15 | 广东电网有限责任公司 | Storage battery pack charging and discharging test system |
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