CN106849295A - A kind of Battery formation detecting system - Google Patents

A kind of Battery formation detecting system Download PDF

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Publication number
CN106849295A
CN106849295A CN201611261711.XA CN201611261711A CN106849295A CN 106849295 A CN106849295 A CN 106849295A CN 201611261711 A CN201611261711 A CN 201611261711A CN 106849295 A CN106849295 A CN 106849295A
Authority
CN
China
Prior art keywords
bus
battery
convertor
converter
detecting system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611261711.XA
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Chinese (zh)
Inventor
陈守平
宋德孝
阳如坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Geesun Intelligent Technology Co Ltd
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Shenzhen Geesun Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Geesun Intelligent Technology Co Ltd filed Critical Shenzhen Geesun Intelligent Technology Co Ltd
Priority to CN201611261711.XA priority Critical patent/CN106849295A/en
Publication of CN106849295A publication Critical patent/CN106849295A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/06Arrangements for measuring electric power or power factor by measuring current and voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiment of the invention discloses a kind of Battery formation detecting system, when there was only a Battery pack formation detection equipment in systems, when battery is charged, charge capacity is more than discharge electricity amount i.e. in dc bus, AC/DC convertor obtains electric energy and changes into direct current from AC network side, and direct current is exported by DC converter charged to battery again.When there is two groups or more battery formation detection equipment in systems, different batteries are carried out with charge and discharge electro-detection operation, discharged to dc bus when there is battery, also have battery charge from dc bus absorb electric energy when, energy is transferred to rechargeable battery via dc bus from discharge battery, so than reducing two-stage AC/DC convertor link via AC network transfer, energy utilization efficiency is substantially increased.When the power of charging and discharging is not matched that, difference power absorbs electric energy or discharges electric energy to power network from AC/DC convertor from power network.

Description

A kind of Battery formation detecting system
Technical field
The present invention relates to battery detecting field, more particularly to a kind of Battery formation detecting system.
Background technology
In electrokinetic cell association areas, ion such as electric vehicle, electronic transfer tool, energy-accumulating power station, base station powers Electrokinetic cell is by extensive popularization and application.
Lithium-ion-power cell chemical synthesis technology process or performance detection link whether aborning, sets to discharge and recharge There is performance requirement higher, especially during high-power fast charging and discharging, along with huge energy dump and conversion Process, considers, electrokinetic cell formation detection equipment needs the function with energy feedback from energy-conserving and environment-protective, meanwhile, electrokinetic cell Capacity and power bracket it is very broad, the power bracket of various distinct devices widely, it is necessary to various EM equipment moduleizations design, Facilitate group net operation.
In recent years, the grid-connected charging/discharging apparatus of the controllable silicon of early stage replace because harmonic pollution power network has been eliminated Be that the grid-connected charging/discharging apparatus of medium-high frequency Switching Power Supply are replaced.Demand to the networking technology of high frequency grid-connection device is increasingly compeled Cut.
The content of the invention
In view of this, the embodiment of the invention provides a kind of Battery formation detecting system.
The present invention provides a kind of Battery formation detecting system, including:
AC network interface, at least one set of battery formation detection equipment, at least one set of battery formation detection equipment bag Include the first AC/DC convertor, the first DC converter, dc bus and device controller, first AC/DC convertor AC be connected with the AC network, the DC side of first AC/DC convertor is connected with the dc bus, institute The bus bar side for stating the first DC converter is connected with the dc bus, and the battery side of first DC converter can be with first Battery connection is detected that the device controller is communicatively coupled by bus with first DC converter;
Device controller charge capacity on the dc bus is judged is less than or equal to control during discharge electricity amount will be straight Discharge energy feedback on stream bus is used as rechargeable energy, and charge capacity is electric more than charging on the dc bus is judged The discharge energy feedback rechargeable energy on dc bus is controlled during amount, and using the AC network interface electric energy supplement described in Dc bus as charge capacity, wherein, the electricity of the electric energy supplement and the discharge electricity amount and filled more than or equal to described Power consumption.
Alternatively, at least one set of battery formation detection equipment also includes that the second AC/DC convertor and the second direct current become Parallel operation, the AC of second AC/DC convertor is connected with the AC network, second AC/DC convertor it is straight Stream side is connected with the dc bus, and the bus bar side of second DC converter is connected with the dc bus, and described second The battery side of DC converter can be connected with the second battery and be detected, the device controller is straight with described second by bus Current converter is communicatively coupled.
Alternatively, also include:
Ethernet interface, the device controller is connected with the Ethernet interface, is used to complete networking control.
Alternatively, also include:
Management computer, the management computer is connected with the device controller by the Ethernet interface, is used to Carry out device controller described in networking control.
Alternatively, the AC network interface be 220 volts of AC network interfaces, the dc bus be 48 volt 25 peace it is straight Stream bus.
Alternatively, the bus is CAN.
Alternatively, first battery and second battery are electrokinetic cell.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below:
When there was only a Battery pack formation detection equipment in systems, when battery is charged, because dc bus In there is no other batteries to be discharged, i.e., in dc bus charge capacity be more than discharge electricity amount, so now needing from alternating current Net side obtains the electric energy of compensation, and AC/DC convertor obtains electric energy and changes into direct current from AC network side, and direct current is again Exported by DC converter and charged to battery.When in systems in the presence of two groups or more battery formation detection equipment When, different batteries are carried out with charge and discharge electro-detection operation, when there is battery to be discharged to dc bus, also there is battery to charge female from direct current During line absorption electric energy, energy is transferred to rechargeable battery via dc bus from discharge battery, so than being shifted via AC network Two-stage AC/DC convertor link is reduced, energy utilization efficiency is substantially increased.When the power of charging and discharging is not matched that When, difference power absorbs electric energy or discharges electric energy to power network from AC/DC convertor from power network.
Brief description of the drawings
Fig. 1 is a kind of structure chart of Battery formation detecting system in the embodiment of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection Enclose.
Term " first ", " second ", " the 3rd " " in description and claims of this specification and above-mentioned accompanying drawing Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage The data that solution is so used can be exchanged in the appropriate case, so that the embodiments described herein can be with except illustrating herein Or the order beyond the content of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that Covering is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit need not be limited In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, product Product or other intrinsic steps of equipment or unit.
Explanation of nouns:
It, to charging/discharging of secondary cell, is the process to the battery primary charging of new production that Battery formation refers to the process of.It It is the important step for influenceing battery life, is normally divided into constant-current charge and constant-voltage charge two benches, generally uses low current trickle Charging makes battery terminal voltage, and to final discharging voltage, constant-current charge to battery terminal voltage reaches constant-voltage charge voltage again, then changes perseverance Pressure is charged to untill being full of.
Rectification:By convert alternating current for direct current is referred to as AC/DC conversion, the power flow direction of this conversion is transmitted to by power supply Load, referred to as rectification.
Inversion:Corresponding with rectification, direct current becomes alternating current, electric power term.
A kind of Battery formation detecting system is provided with reference to shown in Fig. 1, in the embodiment of the present invention, including:
AC network interface 100, at least one set of battery formation detection equipment, at least one set of battery formation detection equipment Including the first AC/DC convertor 201, the first DC converter 202, dc bus 203 and device controller 204, described The AC of one AC/DC convertor 201 is connected with the AC network interface 100, first AC/DC convertor 201 DC side is connected with the dc bus 203, and bus bar side and the dc bus 203 of first DC converter 202 connect Connect, the battery side of first DC converter 202 can be connected with the first battery 205 and be detected, the device controller 204 It is communicatively coupled with first DC converter 204 by bus.
At least one set of battery formation detection equipment also includes the second AC/DC convertor 211 and the second DC converter 212, the AC of second AC/DC convertor 211 is connected with the AC network interface 100, and second alternating current-direct current becomes The DC side of parallel operation 211 is connected with the dc bus 203, bus bar side and the direct current of second DC converter 212 Bus 203 is connected, and the battery side of second DC converter 212 can be connected with the second battery 213 and be detected, the equipment Controller 204 is communicatively coupled by bus with second DC converter 212.
The charge capacity on the dc bus 203 is judged of the device controller 204 is less than or equal to discharge electricity amount time control Make the discharge energy feedback on dc bus 203 as rechargeable energy, and the electricity that charged on the dc bus 203 is judged Discharge energy feedback rechargeable energy when amount is more than charge capacity on control dc bus 203, and connect using the AC network Mouthful 100 electric energy supplements to the dc bus 203 as charge capacity, wherein, the electricity of the electric energy supplement and the electric discharge Electricity and have AC/DC convertor from AC network more than or equal to the electricity lacked on the charge capacity, i.e. dc bus Compensated.
When there was only a Battery pack formation detection equipment in systems, when battery is charged, because dc bus In there is no other batteries to be discharged, i.e., in dc bus charge capacity be more than discharge electricity amount, so now needing from alternating current Net side obtains the electric energy of compensation, and AC/DC convertor obtains electric energy and changes into direct current from AC network side, and direct current is again Exported by DC converter and charged to battery.When in systems in the presence of two groups or more battery formation detection equipment When, different batteries are carried out with charge and discharge electro-detection operation, when there is battery to be discharged to dc bus, also there is battery to charge female from direct current During line absorption electric energy, energy is transferred to rechargeable battery via dc bus from discharge battery, so than being shifted via AC network Two-stage AC/DC convertor link is reduced, energy utilization efficiency is substantially increased.When the power of charging and discharging is not matched that When, difference power absorbs electric energy or discharges electric energy to power network from AC/DC convertor from power network.
First AC/DC convertor 201 and the second AC/DC convertor 211 are that the grid-connected discharge and recharge of bi-directional energy flow sets It is standby, side joint 220V AC networks are exchanged, direct current side joint 48V dc bus works in DC side 48V constant pressures CV (constant pressure) pattern, When DC bus-bar voltage needs to be discharged to power network, AC/DC convertor works in the parallel network reverse mould that power factor is negative one Formula;When dc bus is needed from power network energy absorption, AC/DC convertor works in the High Power Factor that power factor is Rectifier pattern, those of ordinary skill in the art be not it is to be appreciated that repeated herein.
First DC converter 202 and the second DC converter 212 are the converter of bi-directional energy flow, bus side joint 48V dc bus, battery side joint electrokinetic cell works in the charge and discharge modes such as CC (constant current), the CV (constant pressure) of battery side, by moving Power Battery formation characterization processes are determined, not limited herein.
Long-range handling in order to realize, the system also includes:
Ethernet interface 300, the device controller is connected with the Ethernet interface 300, is used to complete networking control.
Management computer (not shown), the management computer is controlled by the Ethernet interface with the equipment Device is connected, and is used to carry out device controller described in networking control.
AC/DC convertor and DC converter have high-speed CAN bus communication interface, for centralized Control and observing and controlling number According to collection, CAN is completed to the bridging functionality of Ethernet by device controller in device interior, realize that all devices pass through Enterprise's office's net and management computer networking operation.
The system management software is operated on the online formation and testing system administration computer of office of enterprise, is realized dynamic to institute The management of battery formation detection equipment, scheduling, Data Collection and processing function.It is lower to pass technique, assign instruction, up collection number According to Document Editing shows with conversion, refresh data, has access to real-time and historical data, report form statistics and figure shows, configuration, biography Defeated parameter, technique, instruction, selection system, equipment, passage, battery, variable, technical staff can flexibly select, not limit herein It is fixed.
Under system solution of the invention, equipment interface standard, networking are convenient, functional configuration flexibly, with direct current Bus energy feedback function, by Ethernet group net operation, every sets for management computer, different types of formation detection equipment Standby structure composed is to be connected with power network by AC/DC convertor, have DC converter to be connected with battery, by dc bus institute Some AC/DC convertors and DC converter are connected, and constitute energy networks, can carry out discharge energy by dc bus Feedback uses rechargeable energy, and energetic interaction can be carried out with power network again when charge-discharge energy is mismatched, and realizes equivalent to friendship Flow the energy feedback of bus.Device interior manages all of converter concentratedly by device controller, and is bridged to network with pipe Reason construction of computer network.
With reference to shown in Fig. 1, under system solution of the invention, when increasing new equipment N, the simply letter in original system Single to increase equipment, i.e. N AC/DC convertors, N DC converters and N batteries, software and network system are substantially Without more new demand, very convenient System Expansion is designed with extension distinct device, EM equipment module design and nuclear interface standardizing, is held Online more exchange device or power module are easily realized, the most short breakdown maintenance time is realized with online Shift Method, put down based on unified Platform technical scheme, it is easier to realize equipment in the function such as system software upgrading and automatic calibration.
Alternatively, the AC network interface be 220 volts of AC network interfaces, the dc bus be 48 volt 25 peace it is straight Stream bus, does not limit specifically.
Alternatively, the bus is CAN, using the exclusive data communication protocol of designed, designed, improve security and Reliability.
Alternatively, first battery and second battery are electrokinetic cell, and the type for battery is not limited It is fixed, flexibly selection is needed according to detection.
A kind of parameter value of each electrical equipment in embodiment is provided below, to be better understood from this programme.
The key technical indexes:
ACDC AC/DC convertors:
DCDC DC converters (as a example by 5V50A):
DC48V dc bus:
Rated voltage DC48V, 5%
Response time 100% loads, non-overshoot, 20ms
Device controller:
Band CAN node capacities 100 nodes/passage, totally 2 passage
Upstream Interface Ethernet, ICP/IP protocol
Power system capacity:
Formation detection equipment quantity is not limited
Device channels number (CAN nodes) 200 passages/platform.
Using the Battery formation detecting system of this programme, than reducing two-stage AC/DC convertor via AC network transfer Link, substantially increases energy utilization efficiency.When the power of charging and discharging is not matched that, difference power is by ac-dc conversion Device absorbs electric energy or discharges electric energy to power network from power network.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematical, for example, the unit Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme 's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can Completed with instructing the hardware of correlation by program, the program can be stored in a computer-readable recording medium, storage Medium can include:Read-only storage (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc..
A kind of Battery formation detecting system provided by the present invention is described in detail above, for the one of this area As technical staff, according to the embodiment of the present invention thought, will change in specific embodiments and applications, it is comprehensive Upper described, this specification content should not be construed as limiting the invention.

Claims (7)

1. a kind of Battery formation detecting system, it is characterised in that including:
AC network interface, at least one set of battery formation detection equipment, at least one set of battery formation detection equipment include the One AC/DC convertor, the first DC converter, dc bus and device controller, the friendship of first AC/DC convertor Stream side is connected with the AC network, and the DC side of first AC/DC convertor is connected with the dc bus, and described the The bus bar side of one DC converter is connected with the dc bus, and the battery side of first DC converter can be with the first battery Connection is detected that the device controller is communicatively coupled by bus with first DC converter;
Device controller charge capacity on the dc bus is judged is less than or equal to control during discharge electricity amount, and direct current is female Discharge energy feedback on line as rechargeable energy, and on the dc bus is judged charge capacity be more than charge capacity when Discharge energy feedback rechargeable energy on control dc bus, and using the AC network interface electric energy supplement to the direct current Bus as charge capacity, wherein, the electricity of the electric energy supplement and the discharge electricity amount and more than or equal to the electricity that charges Amount.
2. Battery formation detecting system according to claim 1, it is characterised in that at least one set of Battery formation detection Equipment also include the second AC/DC convertor and the second DC converter, the AC of second AC/DC convertor with it is described AC network is connected, and the DC side of second AC/DC convertor is connected with the dc bus, second DC converting The bus bar side of device is connected with the dc bus, and the battery side of second DC converter can be connected with the second battery to be examined Survey, the device controller is communicatively coupled by bus with second DC converter.
3. Battery formation detecting system according to claim 1, it is characterised in that also include:
Ethernet interface, the device controller is connected with the Ethernet interface, is used to complete networking control.
4. Battery formation detecting system according to claim 3, it is characterised in that also include:
Management computer, the management computer is connected with the device controller by the Ethernet interface, is used to carry out Device controller described in networking control.
5. Battery formation detecting system according to claim 1, it is characterised in that the AC network interface is 220 volts AC network interface, the dc bus is 48 volt of 25 dc bus of peace.
6. Battery formation detecting system according to claim 1 and 2, it is characterised in that the bus is CAN.
7. Battery formation detecting system according to claim 2, it is characterised in that first battery and second electricity Pond is electrokinetic cell.
CN201611261711.XA 2016-12-30 2016-12-30 A kind of Battery formation detecting system Pending CN106849295A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631346A (en) * 2018-04-03 2018-10-09 卜杰洵 Expansible energy storage system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202068207U (en) * 2011-05-19 2011-12-07 东莞珂立斯电源技术有限公司 Intelligent storage battery formation charging and discharging integrated mechanism and control system
CN102611168A (en) * 2012-04-18 2012-07-25 汪跃辉 Simple and high-efficient charging and discharging control circuit and control method thereof
CN103746440A (en) * 2013-12-19 2014-04-23 江苏金帆电源科技有限公司 Energy-saving and environment-friendly type storage battery formation charge and discharge power supply
CN106208123A (en) * 2016-08-31 2016-12-07 广州皖力实业有限公司 Electrokinetic cell energy-conservation partial volume apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202068207U (en) * 2011-05-19 2011-12-07 东莞珂立斯电源技术有限公司 Intelligent storage battery formation charging and discharging integrated mechanism and control system
CN102611168A (en) * 2012-04-18 2012-07-25 汪跃辉 Simple and high-efficient charging and discharging control circuit and control method thereof
CN103746440A (en) * 2013-12-19 2014-04-23 江苏金帆电源科技有限公司 Energy-saving and environment-friendly type storage battery formation charge and discharge power supply
CN106208123A (en) * 2016-08-31 2016-12-07 广州皖力实业有限公司 Electrokinetic cell energy-conservation partial volume apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631346A (en) * 2018-04-03 2018-10-09 卜杰洵 Expansible energy storage system

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