CN107508332A - A kind of battery impulse formation charging machine and method of work - Google Patents
A kind of battery impulse formation charging machine and method of work Download PDFInfo
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Classifications
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- H02J7/0003—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- H02J7/0077—
-
- H02J7/0091—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present embodiments relate to battery forming technology field, discloses a kind of battery impulse formation charging machine and method of work.In the present invention, a kind of battery impulse formation charging machine, including：Control device, power conversion power supply, charge-discharge circuit；Power conversion power supply is connected with charge-discharge circuit, for providing voltage for charge-discharge circuit；Charge-discharge circuit includes N number of DC/DC circuits, and N is the natural number more than 1；Wherein, the first end of each DC/DC circuits is in parallel, and the second end of each DC/DC circuits is connected with battery；Control device is connected with power conversion power supply and charge-discharge circuit respectively, for the voltage for controlling power conversion power supply to export, and the quantity of in running order DC/DC circuits.Battery impulse formation charging machine provided by the invention and method of work, by controlling the quantity of in running order DC/DC circuits, different size of current scopes can be exported, so that an equipment can realize the chemical conversion demand of different size battery.
Description
Technical field
The present embodiments relate to battery forming technology field, more particularly to a kind of battery impulse formation charging machine and
Method of work.
Background technology
At present, lead-acid accumulator is due to its excellent cost performance, indispensable as social production and life institute already, spy
It is not its ground in the today for advocating Green Development, resource recycling product of the lead-acid accumulator as inexpensive reproducible utilization
Position is more and more important with acting on, and this directly results in its demand and is substantially improved.Wherein, Battery formation refers to after battery manufacture,
By certain charge and discharge system by its internal both positive and negative polarity substance activating, improve charge-discharge performance and self discharge, the storage of battery
It is last procedure before battery dispatches from the factory etc. the process of combination property, and a very important link, directly affect
Because its chemical synthesis technology is up to tens hours, therefore it is also an important factor for influenceing battery production to the quality of battery.
Inventor has found that at least there are the following problems in the prior art：Formation device on the market uses multichannel collection more at present
Into, work independently mode, although such a mode can improve yield to a certain extent, simultaneously also cause it is same chemical conversion set
It is standby to export fixed size of current scope, it is impossible to meet that an equipment realizes the chemical conversion demand of different size battery.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of battery impulse formation charging machine and method of work so that fills
Motor can export different size of current scopes, so that an equipment can realize that the chemical conversion of different size battery needs
Ask.
In order to solve the above technical problems, embodiments of the present invention provide a kind of battery impulse formation charging machine, bag
Include：Control device, power conversion power supply, charge-discharge circuit；Power conversion power supply is connected with charge-discharge circuit, for for discharge and recharge
Circuit provides voltage；Charge-discharge circuit includes N number of DC/DC circuits, and N is the natural number more than 1；Wherein, the of each DC/DC circuits
One end is in parallel, and the second end of each DC/DC circuits is connected with battery；Control device respectively with power conversion power supply and discharge and recharge
Circuit connects, for the voltage for controlling power conversion power supply to export, and the quantity of in running order DC/DC circuits.
Embodiments of the present invention additionally provide a kind of method of work of battery impulse formation charging machine, including：Using
In the battery impulse formation charging machine of above-mentioned any one, including：Control device obtains output to the current value of battery；Control
Device processed controls the voltage of power conversion power supply output according to current value, and controls in running order in charge-discharge circuit
The quantity of DC/DC circuits.
Embodiment of the present invention in terms of existing technologies, by the way that power conversion power supply is connected with charge-discharge circuit,
Voltage is provided for charge-discharge circuit；Charge-discharge circuit includes multiple DC/DC circuits, wherein, the first end of each DC/DC circuits is simultaneously
Connection, the second end of each DC/DC circuits is connected with battery；Control device connects with power conversion power supply and charge-discharge circuit respectively
Connect, the voltage of control power conversion power supply output, and the quantity of in running order DC/DC circuits, it is possible to achieve DC/DC
The direct two-way parallel connection of circuit, three tunnel parallel connections etc., so as to export different size of current scopes, enable an equipment
Realize the chemical conversion demand of different size battery.
In addition, control device is also connected with battery；Control device is additionally operable to gather the voltage and current of charge-discharge circuit,
And the temperature of battery., can be true by being gathered in real time to the data of voltage in every road DC/DC circuits, electric current, temperature
Battery impulse chemical conversion status is determined, it is achieved thereby that accurately controlling forming current size by temperature change so that protecting
Formation process Effec-tive Function under conditions of card chemical conversion quality.
In addition, control device specifically includes：Master controller and be connected with master controller from controller；Wherein, main control
Device is connected with power conversion power supply and charge-discharge circuit respectively, for the voltage for controlling power conversion power supply to export, and is in
The quantity of the DC/DC circuits of working condition；It is connected from controller with battery and charge-discharge circuit, for gathering charge-discharge circuit
Voltage and current, and the temperature of battery, and by the voltage, electric current and temperature feedback of collection to master controller.By adopting
Master controller with control device and the design of the dual controller from controller so that master controller and transported from controller point function
OK, the reaction speed of battery impulse formation charging machine can not only be accelerated, moreover it is possible to the stability and reliability of strengthening system, favorably
In accurate control of the realization to circuit.
In addition, charge-discharge circuit also includes N-1 contactor；Per two adjacent DC/DC circuits the second end respectively with
Same contactor connection, also, the second end of non-conterminous two DC/DC circuits is connected to different contactors.Provide storage
A kind of concrete implementation mode of charge-discharge circuit in battery impulse formation charging machine.
In addition, DC/DC circuits successively by first contactor, the first filter capacitor, on-off circuit, current sensor, inductance,
Second filter capacitor and second contactor are formed by connecting；Wherein, first contactor is connected with power conversion power supply, the second contact
Device is connected with battery.First contactor can realize the protection to DC/DC circuits, while can also realize each road DC/DC circuits
Between decoupling, second contactor is connected with battery, realizes and isolates with battery.
In addition, on-off circuit specifically includes：First device for power switching and the second device for power switching, the first power switch
Device and the second power switching device series, the first device for power switching is in parallel with the first filter capacitor, and the first power switch
Device is connected with current sensor, inductance, the second filter capacitor, the second device for power switching and current sensor, inductance, second
Filter capacitor is in parallel；Wherein, the first device for power switching and the second device for power switching are opened and closed with certain cycle timesharing
It is disconnected, it is advantageously implemented boosting and decompression.
In addition, battery impulse formation charging machine, in addition to fuse, a termination power conversion power supply of fuse, protect
The other end connection charge-discharge circuit of dangerous silk, is advantageous to further play a protective role to circuit.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The bright restriction not formed to embodiment, the element for having same reference numbers label in accompanying drawing are expressed as similar element, removed
Non- have a special statement, and composition does not limit the figure in accompanying drawing.
Fig. 1 is a kind of overall structure figure of battery impulse formation charging machine in first embodiment of the invention；
Fig. 2 is a kind of overall structure figure of battery impulse formation charging machine in second embodiment of the invention；
Fig. 3 is a kind of overall structure figure of battery impulse formation charging machine in third embodiment of the invention；
Fig. 4 is the DC/DC circuit in parallel structure charts in third embodiment of the invention；
Fig. 5 is the DC/DC circuit structure diagrams in third embodiment of the invention；
Fig. 6 is a kind of stream of the method for work of battery impulse formation charging machine in four embodiment of the invention
Cheng Tu；
Fig. 7 is a kind of stream of the method for work of battery impulse formation charging machine in fifth embodiment of the invention
Cheng Tu.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order that reader more fully understands the application and proposes many ins and outs.But even if without these ins and outs
With many variations based on following embodiment and modification, the application technical scheme claimed can also be realized.
The first embodiment of the present invention is related to a kind of battery impulse formation charging machine.With charger in present embodiment
Required power voltage illustrates exemplified by being 400V.As shown in figure 1, including：Control device 101, power conversion power supply 102, fills
Discharge circuit 103.
Power conversion power supply 102 is connected with charge-discharge circuit 103, for providing voltage for charge-discharge circuit 103；Discharge and recharge
Circuit 103 includes N number of DC/DC circuits, and N is the natural number more than 1；Wherein, the first end of each DC/DC circuits is in parallel, each DC/DC
Second end of circuit is connected with battery；Control device 101 connects with power conversion power supply 102 and charge-discharge circuit 103 respectively
Connect, for the voltage for controlling power conversion power supply 102 to export, and the quantity of in running order DC/DC circuits.By adopting
With the parallel-connection structure between the DC/DC circuits of N roads, independent output can be realized, and can realizes Parallel opertation, so as to export not
Same size of current scope a, so that equipment can realize the chemical conversion demand of different size battery.
Specifically, the power conversion power supply 102 of use can the difference of power voltage according to needed for charger selected
Select, as long as input three-phase alternating current can be realized, output voltage and power can meet that the power module of demand of the present invention can.
If power voltage needed for charger is 400V in present embodiment, it is 380V three-phase alternating currents that can select input, output
DC voltage range is 300V-750V Huawei's R75020G1 power modules, it is contemplated that follow-up possible changes in demand, because
This in actual applications, preferred voltage output area power module as wide as possible.
It should be noted that formation device most on the market all carries out the conversion of power using high-power transformer at present, it is
Because in order to improve chemical conversion yield, formation device now generally (input parallel connection, exports only using multiple DC/DC circuits are integrated
It is vertical) mode, it is therefore desirable to larger chemical conversion power, so using high-power transformer.And in the present embodiment, it is by adopting
With parallel-connection structure (input in parallel, output-parallel) mode between the DC/DC circuits of N roads, without larger chemical conversion power.Therefore,
Power conversion power supply 102 can be used instead of high-power transformer, to export DC voltage, so that charger volume is smaller, control
Make simpler and safe.
Communicated to connect in addition, control device 101 is established with power conversion power supply 102, control power conversion power supply 102 opens
Dynamic, stopping and output voltage values；Control device 101 is also connected with charge-discharge circuit 103, in running order to control
The quantity of DC/DC circuits., can be with such as control device 101 is by controlling the quantity of in running order DC/DC circuits
The direct two-way of DC/DC circuits in parallel, the parallel connection of three tunnels or four tunnel parallel connections etc. are realized, so as to export different electric current models
Enclose, realize that an equipment is applied to the chemical conversion demand of different size battery.
By the above, it is seen that, present embodiment is obtained by control device to be exported to the current value of battery,
Further according to the voltage of current value control power conversion power supply output, and control DC/DC in running order in charge-discharge circuit
The quantity of circuit, it is possible to achieve the direct two-way parallel connection of DC/DC circuits, three tunnel parallel connections etc., so as to export different electricity
Magnitude range is flowed, an equipment is realized the chemical conversion demand of different size battery.
Second embodiment of the present invention is related to a kind of battery impulse formation charging machine.Present embodiment is real first
Apply and done further improvement on the basis of mode, specifically the improvement is that：In present embodiment, by every road DC/DC electricity
The temperature of voltage, electric current and battery is gathered in real time in road, can determine that battery impulse is melted into status, so as to
Realize and forming current size is accurately controlled by temperature change so that formation process is efficient under conditions of ensureing to be melted into quality
Operation.
A kind of battery impulse formation charging machine that present embodiment provides, control device 101 are also connected with battery；Control
Device 101 processed is additionally operable to gather the voltage and current of charge-discharge circuit 103, and the temperature of battery.
Specifically, control device 101 specifically includes：Master controller 201 and be connected with master controller 201 from controller
202；Wherein, master controller 201 is connected with power conversion power supply 102 and charge-discharge circuit 103 respectively, for controlling power conversion
The voltage that power supply 102 exports, and the quantity of in running order DC/DC circuits；From controller 21 and battery and charge and discharge
Circuit 103 connects, for gathering the voltage and current of charge-discharge circuit 103, and the temperature of battery, and by the electricity of collection
Pressure, electric current and temperature feedback to master controller 201.Such as the model of master controller 201 can be DSP28335, from control
The model of device 202 can be DSP2802, and master controller 201 mainly realizes the control to charge-discharge circuit 103, from controller 202
The main detection for realizing circuit relevant parameter.
It should be noted that control device 101 can specifically pass through CAN communication agreement, RS232 communication protocols or RS485
Communication protocol, communicated to connect with power conversion power supply 102 and charge-discharge circuit 103, i.e., by master controller 201 by CAN,
Any of RS232, RS485 communication protocol, communicated to connect with power conversion power supply 102 and charge-discharge circuit 103, by from
Controller 202 is communicated by any of CAN, RS232, RS485 communication protocol with battery and charge-discharge circuit 103
Connection.Wherein, master controller 201 with from controller 202 directly can also by CAN communication agreement, RS232 communication protocols or
RS485 communication protocol communication carries out real-time, interactive, to ensure the normal operation of circuit.Because charger is in present embodiment
Parallel connection type structure, it is intended to carry out the collection of charge and discharge control and circuit parameter, therefore, control device 101 per road DC/DC circuits
Designed using master controller 201 and the dual controller for dividing function to run from controller 202, battery impulse chemical conversion can not only be accelerated
The reaction speed of charger, moreover it is possible to the stability and reliability of strengthening system, be advantageously implemented the accurate control to circuit.
In addition, in order that battery impulse formation charging machine is more perfect in the present invention, can install according to the actual requirements
Display screen 203, to relevant parameter in display circuit and running status, control battery impulse formation charging machine startup,
Pause and stopping, as shown in Figure 2.The display screen 203 can be touch display screen, or button display screen, can be with root
It is host computer to be expanded according to actual conditions, and detailed control is done by host computer, is not specifically limited herein.
By the above, it is seen that, in present embodiment, the voltage of every road DC/DC circuits is provided with from controller
Acquisition Circuit, current collection circuit, temperature collection circuit, by voltage in every road DC/DC circuits, electric current and battery
Temperature is gathered in real time, can determine that battery impulse is melted into status, it is achieved thereby that accurately being controlled by temperature change
Inhibition and generation is into size of current so that the formation process Effec-tive Function under conditions of ensureing to be melted into quality.
Third embodiment of the invention is related to a kind of battery impulse formation charging machine, and present embodiments provide for a kind of excellent
The specific implementation form of the embodiment of choosing.Because battery forming current size is typically no more than 20A, and present embodiment
Middle DC/DC circuits are limited to 5A per road output current size, and can meet most electric power storages on the market using four tunnel parallel connections
Pond is melted into demand.Therefore, present embodiment uses illustrates so that charge-discharge circuit 103 includes four road DC/DC circuits as an example, its
The overall structure figure of battery impulse formation charging machine is as shown in Figure 3.
Charge-discharge circuit 103 also includes N-1 contactor；Per two adjacent DC/DC circuits the second end respectively with together
One contactor connects, also, the second end of non-conterminous two DC/DC circuits is connected to different contactors.That is, work as
When charge-discharge circuit 103 includes four road DC/DC circuits, charge-discharge circuit 103 also includes 3 contactors, and Fig. 4 is present embodiment
In DC/DC circuit in parallel structure charts.
In addition, DC/DC circuits are passed by first contactor 305, the first filter capacitor 306, on-off circuit 307, electric current successively
Sensor 308, inductance 309, the second filter capacitor 310 and second contactor 311 are formed by connecting；Wherein, first contactor 305 with
Power conversion power supply 102 is connected, and second contactor 311 is connected with battery.First contactor 305 can be realized to DC/DC electricity
The protection on road, while can also realize the decoupling between each road DC/DC circuits, second contactor 311 is connected with battery, realize with
The isolation of battery, the DC/DC circuit structures in present embodiment are as shown in Figure 5.
For Fig. 4, the output end of DC/DC circuits 1 and the output end of DC/DC circuits 2 respectively with contactor 301 two
End connection, the both ends of the output end of DC/DC circuits 2 and the output end of DC/DC circuits 3 respectively with contactor 302 are connected, DC/DC
The both ends of the output end of circuit 3 and the output end of DC/DC circuits 4 respectively with contactor 303 are connected, for per the electricity of DC/DC all the way
Road passes through insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, the letter in adjusting switch circuit
Claim " IGBT ") dutycycle can adjust its output voltage and size of current, be up to 5A per road DC/DC circuit output currents,
Therefore, four road DC/ can both be realized by contactor 301, contactor 302 and turning on and off for contactor 303 by realizing
The independent output of DC circuits, it can also realize that the two-way between four road DC/DC circuit outputs is in parallel, three tunnels are in parallel and four tunnels are in parallel,
Can export (0,5A], (5A, 10A], (10A, 15A], (15A, 20A] four kinds of different current ranges, realize that an equipment is fitted
Chemical conversion demand for different size battery.
On-off circuit 307 specifically includes：First device for power switching and the second device for power switching, the first power switch device
Part and the second power switching device series, the first device for power switching is in parallel with the first filter capacitor 306, and the first power switch
Device is connected with current sensor 308, inductance 309, the second filter capacitor 310, the second device for power switching and current sensor
308th, inductance 309, the second filter capacitor 310 are in parallel；Wherein, the first device for power switching and the second device for power switching are with certain
Cycle timesharing open and turn off.
Wherein, two device for power switching of on-off circuit 307 can be in series by IGBT, be advantageously implemented boosting with
Decompression.For Fig. 5, in on-off circuit 307 above IGBT be referred to as " upper tube ", following IGBT be referred to as " under
Pipe ", IGBT can be controlled by pulse width modulation (Pulse Width Modulation, abbreviation PWM) signal
It is opened and turned off, wherein, PWM is that have very much come the one kind being controlled to analog circuit using the numeral output of microprocessor
The technology of effect.When down tube turns off all the time, when upper tube periodically turns on and off, whole Fig. 5 is reduction voltage circuit；When upper tube begins
Shut-off eventually, when down tube is periodically opened with shut-off, whole Fig. 5 is booster circuit.Certainly, boosting and decompression are to circuit
For input and output, when Fig. 5 is reduction voltage circuit, the left side of Fig. 5 circuits is input, and the right corresponds to this charging to export
The situation that machine charges the battery；When Fig. 5 is booster circuit, the left side of Fig. 5 circuits is output, and the right is input, corresponding originally to fill
The situation of battery discharge in motor.
Battery impulse formation charging machine can also include fuse 304, a termination power conversion power supply of fuse 304
102, the other end connection charge-discharge circuit 103 of fuse 304.When circuit malfunctions or it is abnormal when, it is continuous along with electric current
Rise, and elevated electric current is possible to some important devices in damage circuit or valuable device, it is also possible to burn circuit
Even cause fire.If fuse 304 is correctly disposed in circuit, then, fuse 304 will be increased in current anomaly
When certain height and temperature, itself fusing cut-out electric current, so as to play a part of protection circuit safe operation.
It is noted that startup, stopping and output due to the major control power conversion power supply 102 of master controller 201
Magnitude of voltage size, controlling the switch of all contactors, master controller 201 is also provided with PWM so as to which whether control system works
Drive circuit, so as to be advantageously implemented the drive control to on-off circuit 307.
By the above, it is seen that, present embodiments provide for a kind of specific implementation form of preferred embodiment,
Independent output can be realized by using the parallel-connection structure between four road DC/DC circuits, and can realizes Parallel opertation, so as to
Different size of current scopes is exported, so that an equipment can realize the chemical conversion demand of different size battery.
Four embodiment of the invention is related to a kind of method of work of battery impulse formation charging machine, applied to above-mentioned
Anticipate embodiment battery impulse formation charging machine, idiographic flow as shown in fig. 6, including：
Step 401, control device obtains output to the current value of battery；
Step 402, control device controls the voltage of power conversion power supply output according to current value, and controls charge-discharge circuit
In in running order DC/DC circuits quantity.
Present embodiment still uses to be illustrated so that charge-discharge circuit 103 includes four road DC/DC circuits as an example, with reference to Fig. 4
For, when charger startup work, current parameters I sizes in chemical synthesis technology are judged, if I≤5A, contactor
301st, 302,303 it is turned off, each road DC/DC circuits work independently；If I>5A and I≤10A, then contactor 301 close, DC/
DC circuits 1 and the parallel operation of DC/DC circuits 2；If I>10A and I≤15A, then contactor 301 and contactor 302 close, DC/
The parallel operation of DC circuits 1,2,3；If I>15A and I≤20A, then contactor 301,302,303 close, DC/DC circuits 1,2,
3rd, 4 parallel operation.
Compared with prior art, the method for work for a kind of battery impulse formation charging machine that present embodiment provides, lead to
Cross control device and obtain output to the current value of battery, the voltage exported further according to current value control power conversion power supply, and
Control the quantity of DC/DC circuits in running order in charge-discharge circuit, it is possible to achieve the direct two-way of DC/DC circuits is simultaneously
Connection, three tunnel parallel connections etc., so as to export different size of current scopes, enable an equipment to realize different size electric power storage
The chemical conversion demand in pond.
It is seen that present embodiment is the embodiment of the method corresponding with first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
Fifth embodiment of the invention is related to a kind of method of work of battery impulse formation charging machine, and present embodiment is
Further improvement is done on the basis of the 4th embodiment, specific improvements are：In present embodiment, by every road
The temperature of voltage, electric current and battery is gathered in real time in DC/DC circuits, for determining shape residing for the chemical conversion of battery
State, forming current size is accurately controlled by temperature change so as to realize, to be melted under conditions of chemical conversion quality is ensured
Journey Effec-tive Function.As shown in fig. 7, comprises：
Step 501, control device obtains output to the current value of battery.
Step 502, control device controls the voltage of power conversion power supply output according to current value.
Step 503, in the course of work of DC/DC circuits, control device gathers the voltage and current of charge-discharge circuit, with
And the temperature of battery.
Step 504, the voltage based on collection, electric current and temperature, the voltage of power conversion power supply output is adjusted and in work
Make the quantity of the DC/DC circuits of state.
Specifically, can electricity in real-time Acquisition Circuit from the Acquisition Circuit in controller 202 in charger running
Pressure, electric current, temperature information, and interacted with master controller 201, so that it is determined that the chemical conversion of working state of system and battery
Status, when battery temp exceeds normal range (NR) (such as 35 DEG C -50 DEG C), master controller 201 can adjust forming current
Size, so as to ensure to be melted into quality.When occurring abnormal in formation process, master controller 201 carries out at different levels according to Exception Type
Security control, prevent electric current excessive and battery pack is caused to damage, while be also provided with over-pressed, under-voltage, cutout, undercurrent, excess temperature
Deng failure protection function, the security in formation process is ensured.
Compared with prior art, the method for work for a kind of battery impulse formation charging machine that present embodiment provides, lead to
The temperature of voltage, electric current and battery is gathered in real time in the DC/DC circuits of Guo Duimei roads, can determine battery impulse
Into status, it is achieved thereby that accurately controlling forming current size by temperature change so that ensureing the bar of chemical conversion quality
Formation process Effec-tive Function under part.
Because second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be mutual with second embodiment
It is engaged implementation.The relevant technical details mentioned in second embodiment are still effective in the present embodiment, implement second
The technique effect that can reach in mode can similarly be realized in the present embodiment, no longer superfluous here in order to reduce repetition
State.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
- A kind of 1. battery impulse formation charging machine, it is characterised in that including：Control device, power conversion power supply, discharge and recharge electricity Road；The power conversion power supply is connected with the charge-discharge circuit, for providing voltage for the charge-discharge circuit；The charge-discharge circuit includes N number of DC/DC circuits, and N is the natural number more than 1；Wherein, the of each DC/DC circuits One end is in parallel, and the second end of each DC/DC circuits is connected with battery；The control device is connected with the power conversion power supply and the charge-discharge circuit respectively, for controlling the power to become Change the voltage of power supply output, and the quantity of in running order DC/DC circuits.
- 2. battery impulse formation charging machine according to claim 1, it is characterised in that the control device also with electric power storage Pond connects；The control device is additionally operable to gather the voltage and current of the charge-discharge circuit, and the temperature of the battery.
- 3. battery impulse formation charging machine according to claim 2, it is characterised in that the control device specifically wraps Include：Master controller and be connected with the master controller from controller；Wherein, the master controller is connected with the power conversion power supply and the charge-discharge circuit respectively, described for controlling The voltage of power conversion power supply output, and the quantity of in running order DC/DC circuits；It is described to be connected from controller with the battery and the charge-discharge circuit, for gathering the voltage of the charge-discharge circuit And electric current, and the temperature of the battery, and by the voltage, the electric current and the temperature feedback of collection to the master Controller.
- 4. battery impulse formation charging machine according to claim 1, it is characterised in that the charge-discharge circuit also includes N-1 contactor；Second end per two adjacent DC/DC circuits is connected with the same contactor respectively, also, non-conterminous Second ends of two DC/DC circuits be connected to different contactors.
- 5. battery impulse formation charging machine according to claim 1, it is characterised in that the DC/DC circuits successively by First contactor, the first filter capacitor, on-off circuit, current sensor, inductance, the second filter capacitor and second contactor connect Connect and form；Wherein, the first contactor is connected with the power conversion power supply, and the second contactor connects with the battery Connect.
- 6. according to the battery impulse formation charging machine described in claim 5, it is characterised in that the on-off circuit specifically wraps Include：First device for power switching and the second device for power switching, first device for power switching and second power switch Devices in series, first device for power switching is in parallel with first filter capacitor, and first device for power switching with The current sensor, the inductance, second filter capacitor series connection, second device for power switching pass with the electric current Sensor, the inductance, second filter capacitor are in parallel；Wherein, first device for power switching and second device for power switching are opened and closed with certain cycle timesharing It is disconnected.
- 7. battery impulse formation charging machine according to claim 6, it is characterised in that also including fuse, the guarantor The one termination power conversion power supply of dangerous silk, the other end of the fuse connect the charge-discharge circuit.
- 8. battery impulse formation charging machine according to claim 1, it is characterised in that the control device especially by The communication protocol of CAN communication agreement, RS232 communication protocols or RS485, with the power conversion power supply and the charge-discharge circuit Communication connection.
- 9. a kind of method of work of battery impulse formation charging machine, it is characterised in that appoint applied in such as claim 1 to 8 Battery impulse formation charging machine described in meaning one, including：The control device obtains output to the current value of the battery；The control device controls the voltage of the power conversion power supply output according to the current value, and controls the discharge and recharge The quantity of in running order DC/DC circuits in circuit.
- 10. the method for work of a kind of battery impulse formation charging machine according to claim 9, it is characterised in that also wrap Include：In the course of work of the DC/DC circuits, the control device gathers the voltage and current of the charge-discharge circuit, with And the temperature of the battery, and the voltage based on collection, the electric current and the temperature, adjust the power conversion electricity The voltage of source output and the quantity of in running order DC/DC circuits.
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| CN201710573610.4A CN107508332A (en) | 2017-07-14 | 2017-07-14 | A kind of battery impulse formation charging machine and method of work |
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| CN112557712A (en) * | 2020-12-07 | 2021-03-26 | 常州绿能新能源检测有限公司 | Parallel pulse current test system |
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Application publication date: 20171222 |