CN207218284U - A kind of batteries online management system - Google Patents
A kind of batteries online management system Download PDFInfo
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- CN207218284U CN207218284U CN201720963682.5U CN201720963682U CN207218284U CN 207218284 U CN207218284 U CN 207218284U CN 201720963682 U CN201720963682 U CN 201720963682U CN 207218284 U CN207218284 U CN 207218284U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of batteries online management system.The batteries online management system includes control unit and multiple isolation charge/discharge units, and corresponding each battery sets an isolation charge/discharge unit；The input of each isolation charge/discharge unit connects corresponding battery interface respectively, and output end connects the distinct interface of same DC master row side by side, and control terminal connects control unit respectively；Control unit, for the specifications parameter according to each battery obtained in advance, corresponding charge-discharge parameter when calculating each accumulator cell charging and discharging to identical setting condition, charge-discharge parameter is sent to corresponding isolation charge/discharge unit；Each isolation charge/discharge unit, charge control or control of discharge are carried out to the battery of connection for the charge-discharge parameter according to reception, make its discharge and recharge to identical setting condition.It can be seen that the utility model improves the efficiency to batteries charge and discharge maintenance, while reduce the cost to batteries charge and discharge maintenance.
Description
Technical field
Battery technology field is the utility model is related to, more particularly to a kind of batteries online management system.
Background technology
Batteries are widely used in the industries such as communication, electric power, finance, every profession and trade as uninterrupted power supply technological means
By buying and operation for many years, substantial amounts of different size, the battery of different vendor have accumulated.DC power-supply system pair
The operation and maintenance of battery follows claimed below：
1st, the battery of more than 2 is configured in general batteries, is easy to the maintenance of safer batteries, simultaneously
Enough emergency service capacity can be ensured；
2nd, each battery is connected in parallel on DC master row in the prior art, and rectifier uses unified charge and discharge electrical specification pair
Battery carries out discharge and recharge, and the battery for causing different size can not be used in parallel.Each battery in same batteries
Necessary specification is consistent, to ensure that charge-discharge characteristic is consistent, reduces the infringement to batteries.
For example, when the battery of 500Ah batteries and 100Ah is used in parallel, according to the discharge and recharge of 500Ah batteries
Specification carries out discharge and recharge, and high current can cause 100Ah accumulator cell charging and dischargings not exclusively and may damage battery；According to
100Ah accumulator cell charging and discharging specification carries out discharge and recharge, and can cause the efficiency of 500Ah batteries can not play completely, cause wave
Take.Thus, the battery of 500Ah and 100Ah two different capabilities does not allow used in parallel, otherwise can accelerate one of storage
The performance degradation speed of battery, DC power-supply system operation disorder is ultimately resulted in, triggers security incident.
It can be seen that DC power-supply system has strict configuration requirement to batteries, what is configured in same batteries is all
Battery should use same brand, with model even with the battery of batch, so as between reducing battery performance difference to straight
Harmful effect caused by flowing electric power system safe operation.
The battery requirement of DC power-supply system adds batteries maintenance work difficulty, needs in the prior art
Charge and discharge maintenance manually is carried out to batteries, is costly and inefficient.Made due to that can not be mixed by different size battery
Restriction so that a large amount of batteries for still having value can not make full use of the waste for causing resource：One side battery
Capacity can not meet change simultaneously during power equipment safety service requirement all with battery, to ensure power equipment not
It is interrupted safe operation, accumulator capacity dilatation is extremely restricted；The a large amount of different sizes of another aspect and also value
Battery is but idle, and causes resource serious waste.
Utility model content
In order to solve the problems, such as that manually the charge and discharge maintenance job costs height to batteries, efficiency are low in the prior art,
The utility model provides a kind of batteries online management system.
Batteries online management system provided by the utility model includes：
Control unit and multiple isolation charge/discharge units, corresponding each battery set an isolation discharge and recharge list
Member；The input of each isolation charge/discharge unit connects corresponding battery interface respectively, and output end connects same side by side
The distinct interface of individual DC master row, control terminal connect described control unit respectively；
Described control unit, for the specifications parameter according to each battery obtained in advance, calculate each battery and fill
Corresponding charge-discharge parameter during identical setting condition is discharged to, the charge-discharge parameter is sent to corresponding isolation discharge and recharge list
Member；
Each isolation charge/discharge unit, charges for the charge-discharge parameter according to reception to the battery of connection
Control or control of discharge, make its discharge and recharge to identical setting condition.
Alternatively, each battery in the batteries has the voltage specification being not quite similar, maximum charging current
Specification, maximum discharge current specification and capacity specifications.
Alternatively, the charge-discharge parameter that described control unit is sent to corresponding isolation charge/discharge unit includes pair
The maximum discharge current parameter and maximum charging current parameter for answering battery to allow；
Each isolation charge/discharge unit, the battery for controlling connection according to the charge-discharge parameter of reception are allowing
Maximum discharge current in discharged with constant discharge current, or filled in the maximum charging current of permission with constant
Electric current is charged.
Alternatively, each isolation charge/discharge unit includes tetra- power switch pipes of Q1, Q2, Q3, Q4, four work(
The base stage of rate switching tube is connected respectively four signal output parts of described control unit；
Described control unit, specifically for the charge-discharge parameter is converted into the tunnel enable signal hair of g1, g2, g3, g4 tetra-
Isolation charge/discharge unit corresponding to giving；
Each isolation charge/discharge unit, specifically for the tunnel enable signal of described g1, g2, g3, g4 tetra- according to reception,
It is corresponding to be respectively turned on or close described tetra- power switch pipes of Q1, Q2, Q3, Q4, the battery of connection is carried out charge control or
Control of discharge.
Alternatively, described tetra- power switch pipes of Q1, Q2, Q3, Q4 are divided into two groups of Q1 and Q4, Q2 and Q3, and every group with constant
The pulse width modulation (PWM) mode alternation of frequency.
Alternatively, the distinct interface on the DC master row has identical voltage specification.
Alternatively, the system also includes communication unit, and the communication unit includes WIFI communication modules and/or GPRS leads to
Believe module, the communication unit is using Ethernet interface, RS485 serial ports or RS232 serial ports connection described control unit.
Alternatively, each isolation charge/discharge unit, it is additionally operable to obtain the charging and discharging state of the battery of connection in real time
Information is sent to described control unit, and the charging and discharging state information includes voltage, electric current and the temperature information of battery；
Described control unit, be additionally operable to by the communication unit by the charging and discharging state information of each battery on line
Host computer or monitoring system are transmitted to, and receives the control instruction of the host computer or monitoring system transmission.
Alternatively, described control unit communicates connection by can buses with each charge/discharge unit of isolating.
Alternatively, described control unit uses STM32F072C8T6 processor chips.
The beneficial effects of the utility model are that the utility model is controlled by being set in batteries online management system
Unit and multiple isolation charge/discharge units, each battery in batteries is under the control of corresponding isolation charge/discharge unit
Discharge and recharge is carried out, the charge and discharge maintenance to batteries can be automatically performed, avoids the discharge and recharge dimension manually to batteries
The problem of job costs are high, efficiency is low is protected, improves the efficiency to batteries charge and discharge maintenance, while reduce to battery
The cost of group charge and discharge maintenance.
Also, the technical solution of the utility model can make the battery of different size be parallel to DC master row, avoid only
The defects of battery for having same size can just be parallel to DC master row, to specific rule need not be bought during accumulator capacity dilatation
The new battery of lattice, makes full use of existing battery；Need not be changed simultaneously when to accumulator capacity dilatation all with
Battery, improve the flexibility of accumulator capacity dilatation.The operation cost of electric power system is reduced, avoids the wasting of resources.
Brief description of the drawings
Fig. 1 is the structural representation of the batteries online management system of the utility model one embodiment；
Fig. 2 is the schematic diagram of the isolation charge/discharge unit of the utility model one embodiment；
Fig. 3 is the structural representation of the batteries online management system of the utility model another embodiment；
Fig. 4 is the structural representation of the control unit of the utility model one embodiment；
Fig. 5 is the structural representation of the communication unit of the utility model one embodiment.
Embodiment
In order to solve the technical problem proposed in background technology, the utility model people of the application expects online in batteries
Control unit and multiple isolation charge/discharge units are set in management system, and control unit is according to each battery obtained in advance
Specifications parameter, corresponding charge-discharge parameter when calculating each accumulator cell charging and discharging to identical setting condition, the discharge and recharge is joined
Number isolates charge/discharge unit corresponding to being sent to；Storage of each isolation charge/discharge unit according to the charge-discharge parameter of reception to connection
Battery carries out charge and discharge control.So as to which the charge and discharge maintenance to batteries on the one hand can be automatically performed, improve to electric power storage
The efficiency of pond group charge and discharge maintenance, while reduce the cost to batteries charge and discharge maintenance；On the other hand different rule can be made
The battery of lattice is parallel to DC master row, to making full use of existing battery during accumulator capacity dilatation, and need not be simultaneously
Change all with battery, improve the flexibility of accumulator capacity dilatation.
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
Referring to Fig. 1, a kind of structure of the batteries online management system provided for the utility model one embodiment is shown
It is intended to.As shown in figure 1, the batteries online management system includes：
Control unit 13 and multiple isolation charge/discharge units 11, corresponding each battery 12 set an isolation discharge and recharge list
Member 11；The input of each isolation charge/discharge unit 11 connects corresponding battery interface respectively, and output end connects same side by side
The distinct interface of individual DC master row, control terminal connect control unit 13 respectively；
Control unit 13, for the specifications parameter according to each battery obtained in advance, calculate each battery charge and discharge
The charge-discharge parameter is sent to corresponding isolation charge/discharge unit by electricity to corresponding charge-discharge parameter during identical setting condition
11；
Each isolation charge/discharge unit 12, charges for the charge-discharge parameter according to reception to the battery 12 of connection
Control or control of discharge, make its discharge and recharge to identical setting condition.
It should be noted that the identical setting condition of the battery in the utility model embodiment refer to identical magnitude of voltage,
Identical charging current and identical discharge current etc. set condition.Control unit can be according to the specification of each battery of acquisition
Parameter calculates each accumulator cell charging and discharging to corresponding charge-discharge parameter during identical setting condition；Each isolation charge/discharge unit energy
Charge and discharge control is carried out to the battery being connected according to from the charge-discharge parameter that control unit receives.
The utility model embodiment in batteries online management system by setting control unit and multiple isolation to fill
Discharge cell, each battery in batteries carry out discharge and recharge under the control of corresponding isolation charge/discharge unit, can be with
The charge and discharge maintenance to batteries is automatically performed, avoids manually the charge and discharge maintenance job costs height to batteries, effect
The problem of rate is low, the efficiency to batteries charge and discharge maintenance is improved, while reduced to batteries charge and discharge maintenance
Cost.
In some optional embodiments of the utility model embodiment, each battery tool in the batteries
There are the voltage specification being not quite similar, maximum charging current specification, maximum discharge current specification and capacity specifications.
It will be appreciated that by the online charging system of battery of the utility model embodiment, can will have and be not quite similar
Voltage specification, maximum charging current specification, the battery of maximum discharge current specification and capacity specifications be parallel to DC master row,
The battery of each different size has different specifications parameters, and control unit can join according to the specification of each battery of acquisition
Number calculates each accumulator cell charging and discharging to corresponding charge-discharge parameter during identical setting condition；Each isolation charge/discharge unit energy root
Charge and discharge control is carried out to the battery being connected according to from the charge-discharge parameter that control unit receives, so as to realize different rule
The battery of lattice is parallel to DC master row, and does not have to worry the damage to batteries thereby resulted in.
In the battery online management system that the utility model embodiment provides, the battery of different size can be made simultaneously
DC master row is linked to, the defects of DC master row can be just parallel to by avoiding the battery of only same size, is held to battery
The new battery of specific standard need not be bought by measuring during dilatation, make full use of existing battery；When to accumulator capacity dilatation
It need not simultaneously change all with battery, improve the flexibility of accumulator capacity dilatation.Reduce the fortune of electric power system
Cost is sought, avoids the wasting of resources.
Preferably, the charge-discharge parameter that described control unit is sent to corresponding isolation charge/discharge unit includes pair
The maximum discharge current parameter and maximum charging current parameter for answering battery to allow；
Each isolation charge/discharge unit, the battery for controlling connection according to the charge-discharge parameter of reception are allowing
Maximum discharge current in discharged with constant discharge current, or filled in the maximum charging current of permission with constant
Electric current is charged.
It should be noted that the battery online management system of the utility model embodiment, control unit is to isolation charge and discharge
The charge-discharge parameter sent in electric unit includes maximum discharge current parameter and the maximum charging current that corresponding battery allows
Parameter, each isolation charge/discharge unit are controlled to the charging current of battery according to the charge-discharge parameter received, prevented
Charging current exceedes the charging ability of battery, and the discharge current of battery is controlled, and prevents discharge current exceedes from storing
The discharge capability of battery, so as to reduce accumulator property degradation speed.
In other optional embodiments of the utility model embodiment, as shown in Fig. 2 each isolation discharge and recharge list
Member 11 includes tetra- power switch pipes of Q1, Q2, Q3, Q4, and the base stage of four power switch pipes is connected respectively the control
Four signal output parts (pins 25,26,27 and 28 of processor chips as shown in Figure 4) of unit processed；
Described control unit, specifically for the charge-discharge parameter is converted into the tunnel enable signal hair of g1, g2, g3, g4 tetra-
Isolation charge/discharge unit corresponding to giving；
Each isolation charge/discharge unit, specifically for the tunnel enable signal of described g1, g2, g3, g4 tetra- according to reception,
It is corresponding to be respectively turned on or close described tetra- power switch pipes of Q1, Q2, Q3, Q4, the battery of connection is carried out charge control or
Control of discharge.
Further, described tetra- power switch pipes of Q1, Q2, Q3, Q4 are divided into two groups of Q1 and Q4, Q2 and Q3, and every group with perseverance
Determine the pulse width modulation (PWM) mode alternation of frequency.
It should be noted that two groups of power switch pipes of the utility model embodiment are with the pulse width modulation of constant frequency
PWM mode alternation, by adjusting dutycycle, ensure the stabilization of output voltage.
The isolation charge/discharge unit of the utility model embodiment is realized using the scheme for recommending power supply, is divided into electric discharge and charging
Two kinds of mode of operations, the operation principle of the isolation charge/discharge unit of the utility model embodiment is illustrated below in conjunction with Fig. 2.Specifically
Ground：
Under mode of operation of discharging, power switch pipe Q1 is with Q4, Q2 and Q3 with the pulse width modulation (PWM) side of constant frequency
Formula works.When Q1, Q4 are turned on, and Q2, Q3 are closed, electric energy is delivered to straight in a manner of electromagnetic energy by high frequency transformer T1 couplings
Stream busbar positive pole+, output electric energy realizes battery discharging.When Q2, Q3 are turned on, and Q1, Q4 are closed, electric energy is in a manner of electromagnetic energy
By high frequency transformer T1 coupling be delivered to busbar+, output electric energy realize battery discharging.Q1, Q4 and Q2, Q3 constant frequencies
PWM alternations, persistently DC master row can be discharged.
In charge mode, power switch pipe Q1 is with Q4, Q2 and Q3 in a manner of the pulse width modulation (PWM) of constant frequency
Work.When Q1, Q4 are turned on, and Q2, Q3 are closed, electric energy is delivered to electric power storage in a manner of electromagnetic energy by high frequency transformer T1 couplings
Pond group, is realized to battery charging.Similarly, when Q2, Q3 are turned on, and Q1, Q4 are closed, electric energy passes through height in a manner of electromagnetic energy
Frequency power transformer T1 couplings are delivered to batteries, realize to battery charging.Q1, Q4 replace with the PWM of Q2, Q3 constant frequency
Work, DC master row can be persistently to battery charging.
In some preferred embodiments of the utility model embodiment, the distinct interface on the DC master row has
Identical voltage specification.
It should be noted that the distinct interface on DC master row connects different isolation charge/discharge units, when battery is put
Electric energy is discharged into by DC master row by the interface when electric；When battery charges, DC master row is transmitted electric energy by the interface
To battery.
It will be appreciated that due to the storage that the battery online management system of the utility model embodiment is each different size
Battery is respectively provided with isolation charge/discharge unit, though so that each distinct interface has identical voltage specification on DC master row
Discharge and recharge can be carried out for the battery of different size.
Further, as shown in figure 3, the battery online management system of the utility model embodiment also includes communication unit
14, communication unit 14 includes WIFI communication modules and/or GPRS communication modules, and communication unit 14 is gone here and there using Ethernet interface, RS485
Mouth or RS232 serial ports connection control unit 13.
In actual applications, communication unit can use U7MAX3485ESA chips (as shown in Figure 5).
Further, each isolation charge/discharge unit, it is additionally operable to obtain the discharge and recharge shape of the battery of connection in real time
State information is sent to described control unit, and the charging and discharging state information includes voltage, electric current and the temperature information of battery；
Described control unit, be additionally operable to by the communication unit by the charging and discharging state information of each battery on line
Host computer or monitoring system are transmitted to, and receives the control instruction of the host computer or monitoring system transmission.
It will be appreciated that the isolation charge/discharge unit of the utility model embodiment can be by the electricity of the battery got in real time
The charging and discharging state information such as pressure, electric current and temperature are sent to control unit, control unit filling battery by communication unit
Discharge condition information is sent to host computer or monitoring system.
Specifically, described control unit communicates connection by can buses with each charge/discharge unit of isolating.
In actual applications, described control unit uses STM32F072C8T6 processor chips.
In summary, according to the technical solution of the utility model, controlled by being set in batteries online management system
Unit processed and multiple isolation charge/discharge units, the control of each battery in batteries in corresponding isolation charge/discharge unit
Lower carry out discharge and recharge, can be automatically performed the charge and discharge maintenance to batteries, avoid the discharge and recharge manually to batteries
The problem of maintenance work cost is high, efficiency is low, improves the efficiency to batteries charge and discharge maintenance, while reduce to electric power storage
The cost of pond group charge and discharge maintenance.
Also, the technical solution of the utility model can make the battery of different size be parallel to DC master row, avoid only
The defects of battery for having same size can just be parallel to DC master row, to specific rule need not be bought during accumulator capacity dilatation
The new battery of lattice, makes full use of existing battery；Need not be changed simultaneously when to accumulator capacity dilatation all with
Battery, improve the flexibility of accumulator capacity dilatation.The operation cost of electric power system is reduced, avoids the wasting of resources.
It is described above, only specific embodiment of the present utility model, under above-mentioned teaching of the present utility model, this area
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions simply preferably explain the purpose of this utility model, and the scope of protection of the utility model should be with claim
Protection domain be defined.
Claims (10)
1. a kind of batteries online management system, it is characterised in that the system includes control unit and multiple isolation charge and discharges
Electric unit, corresponding each battery set an isolation charge/discharge unit；The input of each isolation charge/discharge unit
Battery interface corresponding to connection, output end connect the distinct interface of same DC master row, control terminal difference side by side respectively at end
Connect described control unit；
Described control unit, for the specifications parameter according to each battery obtained in advance, calculate each accumulator cell charging and discharging
To corresponding charge-discharge parameter during identical setting condition, the charge-discharge parameter is sent to corresponding isolation charge/discharge unit；
Each isolation charge/discharge unit, charge control is carried out to the battery of connection for the charge-discharge parameter according to reception
Or control of discharge, make its discharge and recharge to identical setting condition.
2. the system as claimed in claim 1, it is characterised in that each battery in the batteries, which has, to be not quite similar
Voltage specification, maximum charging current specification, maximum discharge current specification and capacity specifications.
3. system as claimed in claim 2, it is characterised in that described control unit is sent to corresponding isolation charge/discharge unit
The charge-discharge parameter include maximum discharge current parameter and maximum charging current parameter that corresponding battery allows；
Each isolation charge/discharge unit, according to the charge-discharge parameter of reception control the battery of connection in permission most
Discharged in big discharge current with constant discharge current, or with constant charging electricity in the maximum charging current of permission
Stream is charged.
4. system as claimed in claim 3, it is characterised in that each isolation charge/discharge unit includes Q1, Q2, Q3, Q4
Four power switch pipes, the base stage of four power switch pipes are connected respectively four signal outputs of described control unit
End；
Described control unit, it is sent to specifically for the charge-discharge parameter is converted into the tunnel enable signal of g1, g2, g3, g4 tetra-
Corresponding isolation charge/discharge unit；
Each isolation charge/discharge unit, it is corresponding specifically for the tunnel enable signal of described g1, g2, g3, g4 tetra- according to reception
Described tetra- power switch pipes of Q1, Q2, Q3, Q4 are respectively turned on or closed, charge control or electric discharge are carried out to the battery of connection
Control.
5. system as claimed in claim 4, it is characterised in that described tetra- power switch pipes of Q1, Q2, Q3, Q4 be divided into Q1 with
Two groups of Q4, Q2 and Q3, every group of alternation in a manner of the pulse width modulation (PWM) of constant frequency.
6. the system as claimed in claim 1, it is characterised in that the distinct interface on the DC master row has identical voltage
Specification.
7. the system as claimed in claim 1, it is characterised in that the system also includes communication unit, the communication unit bag
WIFI communication modules and/or GPRS communication modules are included, the communication unit is using Ethernet interface, RS485 serial ports or RS232 strings
Mouth connection described control unit.
8. system as claimed in claim 7, it is characterised in that
Each isolation charge/discharge unit, the charging and discharging state information for being additionally operable to obtain the battery of connection in real time are sent to institute
Control unit is stated, the charging and discharging state information includes voltage, electric current and the temperature information of battery；
Described control unit, it is additionally operable to be uploaded to the charging and discharging state information of each battery online by the communication unit
Host computer or monitoring system, and receive the control instruction of the host computer or monitoring system transmission.
9. the system as claimed in claim 1, it is characterised in that described control unit is isolated by can buses with each described
Charge/discharge unit communication connection.
10. the system as claimed in claim 1, it is characterised in that described control unit uses STM32F072C8T6 processor cores
Piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963682.5U CN207218284U (en) | 2017-08-03 | 2017-08-03 | A kind of batteries online management system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720963682.5U CN207218284U (en) | 2017-08-03 | 2017-08-03 | A kind of batteries online management system |
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| CN207218284U true CN207218284U (en) | 2018-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612055A (en) * | 2017-08-03 | 2018-01-19 | 北京优尔良科技发展有限公司 | A kind of batteries online management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612055A (en) * | 2017-08-03 | 2018-01-19 | 北京优尔良科技发展有限公司 | A kind of batteries online management system |
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Granted publication date: 20180410 Termination date: 20200803 |