CN102043131B - Battery block checking device - Google Patents
Battery block checking device Download PDFInfo
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- CN102043131B CN102043131B CN201010296033.7A CN201010296033A CN102043131B CN 102043131 B CN102043131 B CN 102043131B CN 201010296033 A CN201010296033 A CN 201010296033A CN 102043131 B CN102043131 B CN 102043131B
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- battery
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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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- Tests Of Electric Status Of Batteries (AREA)
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Abstract
The present invention provides a battery block checking device which can prevent reverse power supply to a receiving power supply system. The receiving power supply system (1) is connected with an AC/DC power supply device (2) which functions as a voltage regulator. An output side of the AC/DC power supply device is connected with battery blocks (41,42) as checking objects with a mode that two blocks are used as one group. A DC/DC regeneration charging/discharge device (31,32) is respectively provided between the AC/DC power supply device and each battery block (41,42). Through using one battery block in the two battery blocks as a power buffer case, the reverse power supply to the receiving power supply system in checking the battery (41) is prevented. The regenerated power from the checked battery is stored in the buffer battery (42). The receiving power is not used and the power is supplied from the buffer battery to the checked battery. In regeneration, as the conversion efficiency of the two DC/DC regeneration charging/discharging device (31,32) is less than 100%, the power overflow of the checked battery from the buffer battery is prevented.
Description
Technical field
The present invention relates to the battery block checking device preventing the inverse power transmission (opposite tide) to powered power-supply system with simple circuit structure.
Background technology
As existing battery block checking device, the technology recorded in known patent document 1.Another block by taking battery block two pieces as 1 group, using one piece of battery block as check object, logically to use as the buffer box (buffer tank) of electric power, cuts down the electric power supplied from powered power-supply system to check object by the prior art.
Patent documentation 1: Japanese Unexamined Patent Publication 2008-199763 publication
Summary of the invention
The prior art is by being stored in the battery block (hereinafter referred to as " buffer battery ") of buffering side by the electric power that the battery block (hereinafter referred to as " inspection battery ") from check object is released, be supplied to the battery of subjects again, thus can cut down from powered power-supply system to the electric power checking battery supply, energy saving is excellent.But, due to the discharge and recharge that the prior art utilizes the switching part with multiple switch to control between the switching of the electric power supplied to two pieces of battery blocks from powered power-supply system and two pieces of battery blocks, so the complex structure of device.
In addition, when utilizing such switching part to carry out from the switching of powered power-supply system to the electric power of two pieces of battery blocks, according to the timing switched, when producing the capacity absorbing inverse power transmission in inverse power transmission, powered power-supply system from battery block to powered power-supply system and also not having, there is the danger causing powered power-supply system to be damaged.Especially the battery block that electrical salf-walking is automobile-used, because its capacity is large and flow through big current, so just there is the possibility that can not absorb inverse power transmission in the powered power-supply system of low capacity.
The present invention proposes in order to the problem solving above-mentioned prior art, object is to provide by effectively preventing non-return power transmission with simple structure, even if thus make also can check safely in the powered power-supply system of low capacity, and the battery block checking device of energy saving excellence.
To achieve these goals, battery block checking device of the present invention regenerates charge and discharge device by the DC/DC being connected in parallel multiple stage at the outgoing side of the AC/DC supply unit be connected with powered power-supply system and supplying electric power to each battery block, charge and discharge device is regenerated to each DC/DC and connects battery block respectively, and using described AC/DC supply unit as being certain voltage regulator by the Control of Voltage of its outgoing side, and do not need the switching part that uses in prior art.
In an embodiment of the invention, utilize and DC/DC is connected respectively to each becoming in the battery block of two pieces 1 group regenerate charge and discharge device and DC/DC regenerates the fact of conversion efficiency generally below 90% of charge and discharge device, between two pieces of battery blocks, discharge and recharge is carried out by regenerating charge and discharge device via the DC/DC of each battery block, the spilling of buffer battery when preventing from charging, prevents the electric power overflowed to powered power-supply system against power transmission.
In other embodiment of the present invention, carry out by from the electric energy checking battery discharge all to the control of buffer battery charging time, after the charging current confirming buffer battery, start the electric discharge checking battery, thus anti-non-return power transmission; On the other hand, at the end of the electric discharge checking battery, FEFO checks the electric discharge of battery, after the discharge current confirming actual inspection battery, terminates the charging of buffer battery.
In other embodiment that the present invention is other, formerly continue to carry out the charging of buffer battery, when carrying out the electric discharge checking battery, by controlling the setting electric current checking battery and buffer battery by stages, thus suppress buffer battery charging and check the commercial power consumed in the mistiming of the electric discharge of battery.
According to the present invention, can provide and can effectively prevent the inverse power transmission of powered power-supply system and the battery block checking device of the switching of the trend between the battery block can implementing subjects with simple structure and the battery block cushioning side.
Accompanying drawing explanation
Fig. 1 is the block diagram of the embodiment representing battery block checking device of the present invention.
Fig. 2 is the circuit diagram of the confined state representing battery block.
Fig. 3 represents the circuit diagram to the charged state checking battery 41.
Fig. 4 represents to check that the internal resistance of battery 41 measures the circuit diagram of state.
Fig. 5 represents the circuit diagram to 100% charged state checking battery 41.
Fig. 6 represents to check that the charging capacity of battery 41 measures the circuit diagram of state.
Fig. 7 is the circuit diagram representing the volumetric determination state of dispatching from the factory checking battery 41.
Fig. 8 is the circuit diagram representing the swap status finishing the battery block checked.
Fig. 9 is the circuit diagram of the charged state represented the 2nd battery block.
Figure 10 represents that the internal resistance of the 2nd battery block measures the circuit diagram of state.
Figure 11 is the circuit diagram of 100% charged state representing the 2nd battery block.
Figure 12 represents that the charging capacity of the 2nd battery block measures the circuit diagram of state.
Figure 13 is the circuit diagram of the volumetric determination state of dispatching from the factory representing the 2nd battery block.
Figure 14 is the charging current of the powered power-supply system 1 represented in each operation and the charging and discharging currents of battery block 41,42 and the sequential chart of SOC.
Figure 15 represents the electric energy from inspection battery discharge the sequential chart of an example of the control that buffer battery charges.
Figure 16 represents from checking that the electric energy of battery releasing is to the sequential chart of other example of the control that buffer battery charges.
Figure 17 be represent inspection look into battery and buffer battery powered electric power and to the process flow diagram of step S1 to step S5 when checking battery charging.
Figure 18 be represent inspection look into battery and buffer battery powered electric power and to the process flow diagram of step S6 to step S10 when checking battery charging.
Figure 19 be represent inspection look into battery and buffer battery powered electric power and from the process flow diagram of step S1 to step S5 when checking battery discharge.
Figure 20 be represent inspection look into battery and buffer battery powered electric power and from the process flow diagram of step S6 to step S10 when checking battery discharge.
Figure 21 represents to look charging and discharging currents between battery and process flow diagram to the step S1 to step S5 when checking battery charging.
Figure 22 represents to look charging and discharging currents between battery and process flow diagram to the step S6 to step S10 when checking battery charging.
Figure 23 represents to look charging and discharging currents between battery and from the process flow diagram of the step S1 to step S5 when checking battery discharge.
Figure 24 represents to look charging and discharging currents between battery and from the process flow diagram of the step S6 to step S10 when checking battery discharge.
Symbol description
1: powered power-supply system; 2:AC/DC supply unit; 31,32:DC/DC regenerates charge and discharge device; 41,42: battery block (checking battery, buffer battery); 5: measuring and controlling; 51: voltage detection department; 52: current detecting part; 53: check sign on portion; RPR: inverse power transmission relay.
Embodiment
(embodiment)
Below with reference to the accompanying drawings embodiments of the invention are specifically described.
(structure of embodiment)
Fig. 1 is the system construction drawing of the present embodiment.In figure, 1 is the powered power-supply system of powering to native system, and 2 is the AC/DC supply unit that the outgoing side of power-supply system 1 powered with this is connected.In the present embodiment, as this AC/DC supply unit 2, adopt as the device by the Control of Voltage of its outgoing side being certain voltage regulator and real function.That is, AC/DC supply unit 2 as DC (direct current) circuit be connected with its outgoing side voltage regulator and work, supplement instantaneously and check the in shortage of charge-discharge power between battery and buffer battery.In addition, in powered power-supply system 1 side (power receiving section) of described AC/DC supply unit 2, inverse power transmission relay R PR is set, from the anti-non-return power transmission of hardware.
The outgoing side of described AC/DC supply unit 2 is connected in parallel multiple stage and regenerates charge and discharge device 31,32 to the DC/DC that each battery block is powered, and regenerates charge and discharge device 31,32 connect battery block 41,42 respectively to each DC/DC.In this case, the 1st battery block 41 is for checking battery, and the 2nd battery block 42 is buffer battery.In addition, in the present embodiment, the outgoing side of AC/DC supply unit 2 connects two pieces of battery blocks, but is not necessarily limited to two pieces, also can connect the battery block that many groups is 1 group with two pieces.
In addition, also can not fix the combination checking battery and buffer battery, and using the polylith in the battery be connected with the outgoing side of described AC/DC supply unit 2 as checking battery, polylith uses as buffer battery.In addition, a part for the battery be connected to the outgoing side of described AC/DC supply unit 2 also can as cushioning special battery.
Described DC/DC regenerates charge and discharge device 31,32 and connects for controlling its discharge and recharge action and carrying out the measuring and controlling 5 of the test of each battery block.This measuring and controlling 5 is provided with the internal resistance of voltage detection department 51, the current detecting part 52 detecting charging and discharging currents and battery block and the inspection sign on portion 53 of charging capacity that are connected with the lead-out terminal of each battery block 41,42.This measuring and controlling 5 starts to check instruction based on the terminal voltage of the battery block detected by described voltage detection department 51 and current detecting part 52 and charging and discharging currents and inspection, makes described DC/DC regenerate charge and discharge device 31,32 and implements discharge and recharge in predetermined timing.
The capacity, efficiency etc. of described each machine are as follows.
(1) current powered electric power: Wdc
(2) electric power is allowed: Wmax (according to supply unit ability or power supply contract amount)
AC/DC supply unit 2
Conversion efficiency: Eac
(3) DC/DC regenerates charge and discharge device 31
Conversion efficiency: Ebat
Check battery request electric current: Isv (set just be charged as, discharging be negative)
Current setting value: Ibatsv (the transitional setting value to consistent with Isv)
(4) DC/DC regenerates charge and discharge device 32
Conversion efficiency: Ebuf
Current setting value: Ibufsv (buffer battery setting value)
(5) battery 41 is checked
Terminal voltage: Vbat
Electric current: Ibat
(6) buffer battery 42
Terminal voltage: Vbuf
Current setting value: Ibufsv
(7) uptake (surplus) of departure: α
(effect of embodiment)
The inspection operation of the battery block 41,42 of two pieces of the present embodiment is described from Fig. 2 to Figure 13.In addition, shown here go out inspection operation be an example, be not necessarily limited to this.In this case, the capacity of each device is as follows with the SOC (State of charge: the amount representing the electric parameters of charging relative to electrical capacity by ratio) of inspection battery.
(a) AC/DC supply unit 2
Capacity: 450V/200A
B () DC/DC regenerates charge and discharge device 31,32
Capacity: 450V/200A
Conversion efficiency: 90%
C () checks the SOC of battery
When checking beginning: 2%
When internal resistance measures: 50%
When charging capacity measures: 100% to 0%
When dispatching from the factory: 30%
(1) assembling of battery block---Fig. 2
The battery block of two pieces is assembled to each DC/DC and regenerates charge and discharge device 31,32.Under such circumstances, the SOC of each battery block 41,42 is such as set to 2%.In addition, the SOC in fact becoming each battery block of check object does not fix.
(2) to charging---the Fig. 3 checking battery 41
Regenerate charge and discharge device 31 from AC/DC voltage device 2 by DC/DC, start to charge to inspection battery 41 with 50A.This charging starts the inspection sign on based on the inspection sign on portion 53 from measuring and controlling 5.In addition, charging current 50A is an example, is not necessarily limited to this.
(3) internal resistance measures---Fig. 4
Measuring and controlling 5 monitors by its voltage detection department 51 and current detecting part 52 terminal voltage and charging current that check battery 41, when checking that the SOC of battery 41 reaches 50%, and complete charge, and export internal resistance and check sign on.Receive this inspection sign on, DC/DC regenerates charge and discharge device 31,32 makes inspection battery 41 with such as 200A electric discharge, is stored in buffer battery 42 by this electric power.Now, based on the discharge current and the terminal voltage that check battery 41, the internal resistance checking battery 41 is measured.In addition, in order to internal resistance measures, the time of discharge current is flow through with as well short, so (being the increase and decrease of the SOC of 1% in Fig. 4) with low uncertainty of the SOC of each battery.
(4) to check battery 41 100% charging---Fig. 5
Inspection battery 41 after checking for internal resistance, carries out the charging of 100% in order to ensuing charging capacity measures.This charging carries out from the AC/DC supply unit 2 be connected with powered power-supply system 1 with such as 50A.
(5) check that the charging capacity of battery 41 measures---Fig. 6
Measuring and controlling 5 utilizes its voltage detection department 51 and current detecting part 52 to monitor the terminal voltage and charging current checking battery 41, when checking that the SOC of battery 41 reaches 100%, exports the inspection sign on of charging capacity.Receive this inspection sign on, DC/DC regenerates charge and discharge device 31,32 makes inspection battery 41 all discharge to buffer battery 42 with such as 50A, now, based on the discharge current and the terminal voltage that check battery 41, measures the charging capacity checking battery 41.
Under such circumstances, due to DC/DC regenerate charge and discharge device 31,32 respective conversion efficiencies are such as 90%, although so will check that the SOC100% of battery all discharges, but be charged the electric power amount of 81% (SOC) of 100% × 90% × 90% in buffer battery 42, even if remaining electric power before the SOC of buffer battery 42 adds also is 84% of its SOC.Thus, though by check battery 41 discharge 100% electric power, be also buffered battery 42 and fully absorb, can not from checking that battery 41 produces adverse current to powered power-supply system 1.
(6) capacity that dispatches from the factory adjusts---Fig. 7
When being dispatched from the factory by the battery block after checking, require the SOC of certain such as 30%.Therefore, by the electric discharge from buffer battery 42, the inspection battery 41 discharged completely is charged.Under such circumstances, due to DC/DC regenerate charge and discharge device 31,32 respective conversion efficiencies are such as 90%, so in order to obtain the SOC30% checking battery 41, need the electric power of the SOC about 37% being filled with buffer battery 42.
(7) exchange---the Fig. 8 of the battery block checked is terminated
Take off the battery block after inspection, assemble new battery block at this place.Also the SOC of this new battery block is set to 2%.Below, this new battery block 41 is real function as buffer battery, using in described (1) to (6) as the battery block 42 of buffer battery real function as inspection battery.
(8) to charging---Fig. 9 of the 2nd battery block
For carrying out the 2nd battery block 42 checked, proceed to 50A the charging that SOC is 50% from AC/DC supply unit 2.Under such circumstances, battery block 42 real function as buffer battery as a result, because SOC reach 47%, so seldom just complete at the charge volume from AC/DC supply unit 2.Thus, seldom namely this electric power required for part inspection complete, and energy saving is excellent.
The internal resistance of (9) the 2nd battery blocks measures---Figure 10
When checking that the SOC of battery 42 reaches 50%, making inspection battery 42 with such as 200A electric discharge, this electric power being stored in the newly assembled battery block as buffer battery 42.Now, based on the discharge current and the terminal voltage that check battery 42, the internal resistance checking battery 42 is measured.
100% charging---Figure 11 of (10) the 2nd battery blocks
The 2nd inspection battery 42 after checking for internal resistance, carries out the charging of 100% in order to ensuing charging capacity measures.This charging is carried out from the AC/DC supply unit 2 be connected with powered power-supply system 1 with such as 50A.
The charging capacity of (11) the 2nd battery blocks measures---Figure 12
When the SOC of the 2nd battery block 42 reaches 100%, export the inspection sign on of charging capacity.Receive this inspection sign on, DC/DC regenerates charge and discharge device 31,32 makes inspection battery 42 all discharge to the battery block 41 of the new replacing as buffer battery using such as 50A, now, based on the discharge current and the terminal voltage that check battery 42, the charging capacity checking battery 42 is measured.
In this case, due to DC/DC regenerate charge and discharge device 31,32 respective conversion efficiencies are such as 90%, even if so check the power discharge of 100% of battery 42 by the 2nd, also fully can be absorbed by the battery 41 of the new replacing of the real function as buffer battery, also can not from checking that battery 42 produces the adverse current to powered power-supply system 1.This point with inspection the 1st battery block charging capacity time identical.
The capacity that dispatches from the factory adjustment---Figure 13 of (12) the 2nd battery blocks
The result that charging capacity measures, charges to SOC30% to the inspection battery 42 discharged completely by the electric discharge from buffer battery 41.In this case, due to DC/DC regenerate charge and discharge device 31,32 respective conversion efficiencies are such as 90%, so in order to obtain the SOC30% checking battery 41, need the electric power of the size of the SOC about 37% being filled with buffer battery 42, this is identical with the situation of the 1st battery block.
So, after terminating the capacity that the dispatches from the factory adjustment of the 2nd battery block, take off the 2nd battery block, assemble new battery block at this place.For the battery block 41 of the real function as buffer battery so far, carry out inspection similar to the above.
Similarly in the following, by two pieces of battery blocks are replaced as inspection battery and buffer battery, checking that the discharge current of battery is stored to buffer battery, by being used in the charging checking battery, and cutting down the power supply from powered power-supply system 1.Simultaneously, the conversion efficiency utilizing the DC/DC be connected with each battery block to regenerate charge and discharge device 31,32 is not the fact of 100%, even if when inspection battery 100% is discharged, also its all told can being stored in buffer battery side, reliably prevent thus from checking the inverse power transmission of battery to powered power-supply system.
Figure 14 represents from the charging current of the powered power-supply system 1 each operation of described (1) to (14) and the charging and discharging currents of battery block 41,42 and the sequential chart of SOC.In addition, as mentioned above, be just expressed as by charging current seen by the angle from each battery block, discharge current is expressed as negative.According to this sequential chart, in the present invention during battery block electric discharge, the inverse power transmission to powered power-supply system 1 can not be produced.
One of (control of discharge and recharge :)
Testing fixture of the present invention is substantially to carry out the inspection of battery block from the order described in described Fig. 2 to Figure 13.But, when as previously mentioned buffer battery to be used the battery before checking as the receiving vessel (impact damper) of regenerated electric power, in order to anti-non-return power transmission, carry out the control electric energy of releasing from inspection battery all being charged to buffer battery.But, due to the delay of Current Control or error etc. in fact can be there are, so by carrying out following process and reliably anti-non-return power transmission in the present embodiment.
That is, as shown in the sequential chart of Figure 15, checking the electric discharge request moment t1 of battery 41, regenerating the electric current of the conversion efficiency of charge and discharge device 31,32 from the 1 pair of buffer battery electric discharge of powered power-supply system by considering DC/DC.So, after the t2 of charging current confirming actual buffer battery 42, start the electric discharge checking battery 41, thus anti-non-return power transmission.On the other hand, at the end of the electric discharge checking battery 41, check the electric discharge of battery 41 at t3 FEFO, after the t4 of charging current confirming actual inspection battery 41, terminate the electric discharge of buffer battery 42.
In this case, in the present embodiment, because AC/DC supply unit 2 is real function as voltage regulator, so by means of only the charge and discharge control carrying out DC/DC regeneration charge and discharge device 31,32, the in shortage of the charge-discharge power between inspection battery 41 and buffer battery 42 just can be supplemented instantaneously.
(control of discharge and recharge: two)
Above-mentioned inverse power transmission prevents from being the charging of advanced row buffering battery 42, then carries out the electric discharge checking battery 41, due to this mistiming, although the time is short but will consume the electric power of powered power-supply system 1.That is, in the present embodiment, because AC/DC supply unit 2 works as voltage regulator, so big current automatically flows to battery block side from AC/DC supply unit.Especially, in battery checks, there is the situation of the heavy-current discharge carrying out the short time, if only have control above, then need large for the power supply contract quantitative change of powered power-supply system 1.
So, as shown in figure 16, by hierarchically controlling the setting electric current checking battery 41 and buffer battery 42, the electric power of powered power-supply system 1 can be suppressed.That is, by when the discharge current of buffer battery 42 reaches certain value, make inspection battery 41 repeat 2 ~ 3 electric discharges corresponding to the amount of this current value, the peak value of the power supply from powered power-supply system 1 can be suppressed.
One of (control flow :)
Next, in the process flow diagram of Figure 17 ~ Figure 20, represent the example utilizing DC/DC regeneration charge and discharge device 31,32 to control the method for the discharge and recharge checked between battery 41 and buffer battery 42.This control method is, the powered electric power that inspection looks into battery and buffer battery controls the method for the discharge and recharge checking battery and buffer battery.This control method has the advantage can carrying out efficiently when to hang with polylith battery under AC/DC supply unit 2 controlling.
(1) to control---Figure 17, the Figure 18 during charging of inspection battery
(step S1)
Inspection battery 41 and buffer battery 42 are assembled on the device of the present embodiment respectively, after measuring and controlling 5 outgoing inspection sign on, determined whether to check battery request electric current I sv > 0 by the current detecting part 52 of measuring and controlling 5.
(step S2)
When detect check battery request electric current I sv > 0, increase check battery charging current until AC/DC supply unit 2 allow electric power.Current setting value Ibatsv is under such circumstances as follows.
Ibatsv＝Ibatsv+(Wmax-Wac)×Eac×Ebat÷Vbat
Wherein, the initial value of 0≤Ibatsv≤Isv, Ibatsv is 0
(step S3)
Check that can buffer battery 42 discharge.Under such circumstances, if the SOC of buffer battery 42 is more than necessarily, be then judged to discharge.
(step S4)
Make current " surplus of powered electric power " from buffering battery discharge.Under such circumstances, surplus (absorption of departure) is set to α, then current setting value Ibufsv is as follows.
Ibufsv＝(Wac-α)×(-1)×Eac÷Ebuf÷Vbuf
Wherein, Ibufsv≤0
(step S5)
Check that the current setting value Ibatsv of battery 41 exceedes and check battery request electric current I sv (Ibatsv < Isv?).When current setting value Ibatsv does not reach and checks battery request electric current I sv, get back to step S2, repeat process above.
(step S6)
When current setting value Ibatsv exceedes inspection battery request electric current I sv, wait for the inspection battery charging ending request from measuring and controlling 5.
Terminate as the charging of this inspection battery, the following various method of suitable use.
(1) CC charging, CC discharge (determining electric current Constant Current)
Setting-up time, time arrival then terminates.But exceeding setting voltage (during electric discharge for lower than setting voltage) time during charging then terminates.
(2) CV charging, CV discharge (constant voltage Constant Voltage)
(3) CCCV charging
With a constant-current charge, if voltage reaches setting value, then charge with certain voltage afterwards.In the case that it is a secondary battery, control as becoming certain voltage then charging current minimizing.Charging current then terminates below setting value.This pattern is used in the situation of carrying out full charge.Also the situation adding setting-up time is had.
(step S7)
When checking that the charging of battery terminates to arrive, check whether buffer battery 42 discharges.When discharging, enter the minimizing step (step S8) of following discharge current, not in electric discharge, the process for buffer battery 42 terminates.
(step S8)
The discharge current of buffer battery 42 is reduced to the powered allowable value of AC/DC supply unit 2.Under such circumstances, surplus (absorption of departure) is set to α, then the current setting value Ibufsv of buffer battery is as follows.
Ibufsv＝Ibufsv+(Wmax-Wac+α)×Eac÷Ebuf÷Vbuf
Wherein, Ibufsv≤0
(step S9)
Current powered electric power is made to be that 0 ground reduces the charging current checking battery 41.In this case, current setting value Ibatsv is as follows.
Ibatsv＝Ibatsv-(Wac?×Eac÷Ebat÷Vbat)
Wherein, Ibatsv >=0
(step S10)
Check that the current setting value Ibatsv of battery 41 is 0 (Ibatsv=0?).When current setting value Ibatsv is not 0, get back to step S7, repeat process above.When current setting value Ibatsv is 0, terminate the charging for checking battery.
(2) control during inspection battery discharge is made---Figure 19, Figure 20
(step S1)
Inspection battery 41 and buffer battery 42 are assembled on the device of the present embodiment respectively, after measuring and controlling 5 outgoing inspection sign on, determined whether by the current detecting part 52 of measuring and controlling 5 and check battery request electric current I sv < 0.
(step S2)
Check that can buffer battery 42 charge.Under such circumstances, if the SOC of buffer battery 42 is below necessarily, be then judged to charge.When buffer battery can charge, then enter step S3 below, when can not charge, then enter step S4 below.
(step S3)
When detecting that buffer battery 42 can charge, the charging current of buffer battery is increased to the powered allowable value of AC/DC supply unit 2.Under such circumstances, surplus (absorption of departure) is set to α, then the current setting value Ibufsv of buffer battery is as follows.
Ibufsv＝Ibufsv+(Wmax-Wac+α)×Eac÷Ebuf÷Vbuf
Wherein, 0≤Ibufsv≤Isv × Vbat × Ebat ÷ Ebug ÷ Vbuf5 × (-1)
The initial value of Ibuf is 0.
(step S4)
The amount of the charging power being equivalent to buffer battery is set to the discharged power checking battery 41.Under such circumstances, current setting value Ibatsv is as follows.
Ibatsv＝Ibatsv-(Wac×Eac÷Ebat÷Vbat)
Wherein, Ibatsv≤0
(step S5)
Check that the current setting value Ibatsv of battery 41 is at inspection battery below request electric current I sv (Isv < Ibatsv?).When checking that battery request electric current I sv does not reach current setting value Ibatsv (Isv < Ibatsv is "Yes"), get back to step S2, repeat process above.
(step S6)
When checking that battery request electric current I sv exceedes current setting value Ibatsv (Isv < Ibatsv is "No"), wait for the inspection battery discharge ending request from measuring and controlling 5.
(step S7)
Check buffer battery 42 whether in electric discharge.Time in electric discharge, enter the minimizing step (step S8) of the discharge current of ensuing inspection battery 41; Time not in electric discharge, enter the minimizing step (step S9) of the charging current of buffer battery 42.
(step S8)
What the discharge current of inspection battery 41 is reduced to AC/DC supply unit 2 allows electric power.Under such circumstances, check that the current setting value Ibatsv of battery is as follows.
Ibatsv＝Ibatsv+(Wmax-Wac)×Eac×Ebat÷Vbat
Wherein, Ibatsv≤0
(step S9)
The charging current of buffer battery 42 is reduced the amount suitable with current powered electric power.In this case, the current setting value Ibufsv of buffer battery is as follows.
Ibuftsv＝Ibufsv-(Wac×Eac÷Ebuf)
Wherein, Ibufsv >=0
(step S10)
Check that the current setting value Ibatsv of battery 41 becomes 0 (Ibatsv=0?).When current setting value Ibatsv is not 0, get back to step S7, repeat process above.When current setting value Ibatsv becomes 0, terminate the electric discharge checking battery.
(control flow: two)
Figure 21 ~ Figure 24 illustrates to regenerate by DC/DC the figure that charge and discharge device 31,32 controls other example of the method for the discharge and recharge checked between battery 41 and buffer battery 42.This control method is, controls the method for the discharge and recharge checking battery and buffer battery depending on the charging and discharging currents between battery.For this control method, only choose the step different from above-mentioned one of " control flow: " and illustrate.
(1) to control---Figure 21, the Figure 22 during charging of inspection battery
(step S4)
The electricity of the charging power being equivalent to check battery 41 is released from buffer battery 42.Under such circumstances, surplus (absorption of departure) is set to α, then the current setting value Ibufsv of buffer battery is as follows.
Ibufsv＝((Vbat×Ibat)÷Ebat÷Ebuf÷Vbuf)×(-1)+α
Wherein, Ibufsv≤0
(step S9)
From checking that the electricity being equivalent to the discharged power of buffer battery 42 released by battery 41.Under such circumstances, surplus (absorption of departure) is set to α, then checks that the current setting value Ibatsv of battery is as follows.
Ibatsv＝((Vbuf×Ibuf)÷Ebuf÷Ebat÷Vbat)×(-1)+α
Wherein, Ibatsv≤0
(2) to control---Figure 23, Figure 24 during inspection battery discharge
(step S4)
From checking that the electricity being equivalent to the charging power of buffer battery 42 released by battery 41.In this case, check that the current setting value Ibatsv of battery is as follows.
Ibatsv＝((Vbuf×Ibuf)÷Ebuf÷Ebat÷Vbat)×(-1)
Wherein, Ibatsv≤0
(step S9)
The amount of the charging power checking battery 41 is equivalent to from buffer battery 42 charging.In this case, surplus (absorption of departure) is set to α, then the current setting value Ibatsv of buffer battery is as follows.
Ibufsv＝((Vbat×Ibat)÷Ebat÷Ebuf÷Vbuf)×(-1)
Wherein, Ibufsv >=0.
Claims (7)
1. a battery block checking device, is characterized in that,
Connect AC/DC supply unit and powered power-supply system, this AC/DC supply unit is as by the Control of Voltage of outgoing side being certain voltage regulator and practical function;
Be that the DC/DC one group be connected in parallel to each battery block supply electric power regenerates charge and discharge device at the outgoing side of this AC/DC supply unit with multiple stage;
The battery block that charge and discharge device is connected to become check object is respectively regenerated to each DC/DC, using these polylith batteries be in the battery block of a group one as checking battery, other battery is as buffer battery;
From described AC/DC supply unit to inspection battery charging, and via each battery block DC/DC regenerate charge and discharge device inspection battery and buffer battery between carry out discharge and recharge, from inspection battery discharge time check its characteristic.
2. battery block checking device according to claim 1, is characterized in that,
Charge and discharge device is regenerated as with the DC/DC that described inspection battery and buffer battery are connected respectively, its conversion efficiency is utilized to be discontented with 100% this point, when carrying out discharge and recharge between inspection battery and buffer battery, by regenerating charge and discharge device power consumption by described DC/DC, prevent discharge current to powered power-supply system against power transmission.
3. battery block checking device according to claim 1, is characterized in that,
When charging from inspection battery discharge to buffer battery, after the discharge current confirming buffer battery, start the electric discharge checking battery, at the end of the electric discharge checking battery, FEFO checks the electric discharge of battery, after the discharge current confirming inspection battery, terminate the electric discharge of buffer battery.
4. battery block checking device according to claim 3, is characterized in that,
By hierarchically controlling the setting electric current of described inspection battery and buffer battery, suppress buffer battery charging and check battery electric discharge mistiming in the commercial power that consumes.
5. the battery block checking device according to any one in Claims 1-4, is characterized in that,
Based on the powered electric power of described inspection battery and buffer battery, control the discharge and recharge checking battery and buffer battery.
6. the battery block checking device according to any one in Claims 1-4, is characterized in that,
Based on the charging and discharging currents between described inspection battery and buffer battery, control the discharge and recharge checking battery and buffer battery.
7. the battery block checking device according to any one in Claims 1-4, is characterized in that,
Inverse power transmission relay is set in the powered power-supply system side of described AC/DC supply unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-235663 | 2009-10-09 | ||
| JP2009235663A JP5433368B2 (en) | 2009-10-09 | 2009-10-09 | Battery pack inspection device |
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| Publication Number | Publication Date |
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| CN102043131A CN102043131A (en) | 2011-05-04 |
| CN102043131B true CN102043131B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010296033.7A Expired - Fee Related CN102043131B (en) | 2009-10-09 | 2010-09-29 | Battery block checking device |
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| JP (1) | JP5433368B2 (en) |
| CN (1) | CN102043131B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT511890B1 (en) * | 2012-11-14 | 2016-01-15 | Avl List Gmbh | Test arrangement for an energy store |
| KR101544601B1 (en) | 2012-11-30 | 2015-08-13 | 주식회사 엘지화학 | Energy storage system having control algorithm for charging and discharging test |
| JP5867870B2 (en) * | 2013-02-22 | 2016-02-24 | 富士通テレコムネットワークス株式会社 | Charge / discharge test system |
| CN104064828A (en) * | 2013-03-18 | 2014-09-24 | 深圳市铂飞特启动电池技术有限公司 | Lithium ion battery grouping apparatus |
| JP6279229B2 (en) * | 2013-05-07 | 2018-02-14 | 東芝Ｉｔコントロールシステム株式会社 | Charge / discharge control device |
| JP6332748B2 (en) * | 2014-08-07 | 2018-05-30 | ニチコン株式会社 | Charge / discharge power supply |
| JP6473924B2 (en) * | 2014-12-03 | 2019-02-27 | 東芝Ｉｔコントロールシステム株式会社 | Battery inspection device |
| WO2016147319A1 (en) * | 2015-03-17 | 2016-09-22 | 株式会社東芝 | Charging/discharging system |
| CN104898068B (en) * | 2015-06-26 | 2017-09-15 | 北方联创通信有限公司 | Portable multi-function ice storing time system and its control method |
| CN106772089A (en) * | 2016-12-28 | 2017-05-31 | 深圳市森派新能源科技有限公司 | Power of battery method of testing and device based on staircase waveform input |
| KR20220123925A (en) * | 2021-03-02 | 2022-09-13 | 한국전지연구조합 | Secondary battery charging and discharging device of energy storage type and secondary battery charging and discharging method using the same |
| JP7060896B1 (en) * | 2021-05-24 | 2022-04-27 | 東洋システム株式会社 | Battery charge / discharge test device and battery discharge power control method |
| KR102534561B1 (en) * | 2021-07-29 | 2023-05-19 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Charging and discharging device, battery charging and discharging method and charging and discharging system |
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| CN101013821A (en) * | 2007-02-05 | 2007-08-08 | 詹炳只 | Battery charger |
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| JP3487994B2 (en) * | 1995-12-04 | 2004-01-19 | 東京瓦斯株式会社 | DC power supply |
| JPH11113185A (en) * | 1997-09-30 | 1999-04-23 | Tadashi Kaneko | Charging apparatus by commercial and regenerative power |
| JPH11289676A (en) * | 1998-04-01 | 1999-10-19 | Toyo System Kk | Power unit for secondary battery charging and discharging device |
| WO2007105612A1 (en) * | 2006-03-15 | 2007-09-20 | Nec Corporation | Charging apparatus and charging/discharging apparatus |
| JP5017084B2 (en) * | 2007-03-09 | 2012-09-05 | 株式会社日立製作所 | Battery control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101013821A (en) * | 2007-02-05 | 2007-08-08 | 詹炳只 | Battery charger |
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| JP2011080966A (en) | 2011-04-21 |
| JP5433368B2 (en) | 2014-03-05 |
| CN102043131A (en) | 2011-05-04 |
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