CN201490290U - Charger for rechargeable batteries connected in series and rechargeable battery pack - Google Patents
Charger for rechargeable batteries connected in series and rechargeable battery pack Download PDFInfo
- Publication number
- CN201490290U CN201490290U CN 200920075603 CN200920075603U CN201490290U CN 201490290 U CN201490290 U CN 201490290U CN 200920075603 CN200920075603 CN 200920075603 CN 200920075603 U CN200920075603 U CN 200920075603U CN 201490290 U CN201490290 U CN 201490290U
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- rechargeable battery
- chip microcomputer
- battery pack
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- 230000005622 photoelectricity Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000007600 charging Methods 0.000 abstract description 36
- 230000008901 benefit Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 238000011000 absolute method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
Abstract
The utility model discloses a charger for rechargeable batteries connected in series. The charger comprises a main charger, a singlechip and a plurality of discharging circuits, wherein the main charger is connected between the two electrodes of a rechargeable battery pack formed by connecting the rechargeable batteries in series; the singlechip is connected with the main charger; and the discharging circuits corresponding to the rechargeable batteries of the rechargeable battery pack are connected with the singlechip, and are connected between the two electrodes of the rechargeable battery pack in parallel. The charger also comprises a relay set connected with the singlechip; the relay set comprises a plurality of relays corresponding to the rechargeable batteries of the rechargeable battery pack; and the relays are connected with the two electrodes of the rechargeable battery pack in parallel. The utility model also discloses a charger for another rechargeable battery pack formed by series connection, and an auxiliary charger is added on the charger. The charger has the advantages as follows: the balance quality is high when the rechargeable battery pack is charged; the time in obtaining the balance is short; and the charging time is greatly shortened.
Description
Technical field
The utility model relates to a kind of charger, particularly a kind of charger of serial connection charge battery pack and rechargeable battery set.
Background technology
In equipment such as car mould, model plane and automobile, aircraft, generally all need to be equipped with jumbo rechargeable electrokinetic cell, for example the lithium battery group of multi-section serial or ferric phosphate lithium cell group or the like.When such rechargeable battery set was charged, requirement can reach higher balance quality and short charging interval.
At present, the following dual mode of general employing charges to such rechargeable battery set.
First kind of charging modes as shown in Figure 1, every joint rechargeable battery all is equipped with a charger and carries out charge independence.The advantage of this charging modes is that each charge circuit is independent mutually, need not to carry out balance.But it also has following shortcoming: one, and each loop all needs independently charger, and under the identical situation of charging current, cost is higher; Two, the voltage of the charger output in each loop is lower, and power-efficient is low; Three, be difficult to realize the statistics of capacity that every batteries is charged into, when between battery during capacity unbalance, can not provide indication.Because rechargeable battery in use for some time, originally the battery of capacity unanimity can cause capacity no longer consistent because of a variety of causes, as differ bigger, under the situation that can not in time find and take effective measures, easily accelerate the damage of battery and bring accident potential, can not adopt in strict occasion.
Second kind of charging modes as shown in Figure 2, adopting a main charger 1 ' directly to be parallel between the two poles of the earth of rechargeable battery set 5 ' of multi-section serial charges, one single-chip microcomputer 2 ' links to each other with the control of charging with this main charger 1 ', the voltage detecting of every batteries is then taked the method for dividing potential drop sampling as shown in the figure, promptly utilize divider resistance 3 ' with every batteries dividing potential drop over the ground, then sampled value is imported single-chip microcomputer 2 ' by A/D (mould/number) conversion, when having detected certain batteries brownout, single-chip microcomputer 2 ' will be controlled discharge circuit 4 ' and press normal battery to discharge to other each economize on electricitys, finally to reach the balance between battery.This charging modes is comparatively suitable to the battery pack below 10 batteries, can obtain preferable charging control precision under lower-cost situation.But, the number of batteries that comprises when battery pack more for a long time, there is following defective in this charging modes: one, when carrying out the voltage sample of battery, utilize electric resistance partial pressure to measure the magnitude of voltage of each sampled point earlier, subtract each other to obtain the voltage of each batteries by magnitude of voltage then neighbouring sample point, but because A/D conversion perseverance has 0.5LSB (Least Significant Bit, least significant bit) error (for example the error of 10 A/D will account for 0.5/1024), under the identical situation of the voltage error percentage of each sampled point, along with increasing of battery joint number, the increasing of sampled point ceiling voltage, the absolute value of error is also strengthening, when voltage during greatly to a certain degree (for example 70V), absolute error just will surpass the control precision (for example 6mV) of needs, so this charging modes can't adopt at this moment; Two, when voltage is very high (for example 70V), very high to the stability requirement of divider resistance, with respect to the control precision that several millivolts of fluctuation ranges are only arranged, its minor variations all will be introduced bigger absolute error, but the resistance that can maintain a long-term stability is difficult to obtain and cost an arm and a leg; Three, when detecting the brownout of single battery, then all the other all batteries all will discharge, and could continue to begin charging after close with the single battery voltage of this low-voltage, and this has increased unnecessary equilibration time greatly, has prolonged the charging interval.
The utility model content
The technical problems to be solved in the utility model is for the charging modes that overcomes prior art or cost is higher or the low defective consuming time again of precision, provide the high serial connection charge battery pack of a kind of battery equilibrium precision charger and a kind of can be when charging autobalance and shorten the rechargeable battery set in charging interval.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of charger of serial connection charge battery pack, it comprises: a main charger is parallel between the two poles of the earth of this rechargeable battery set; One single-chip microcomputer links to each other with this main charger; A plurality of discharge circuits that link to each other with this single-chip microcomputer, those discharge circuits are corresponding one by one with rechargeable battery in this rechargeable battery set, and each this discharge circuit all is parallel between the two poles of the earth of this rechargeable battery; Its characteristics are, the charger of this serial connection charge battery pack also comprises a relay group that links to each other with this single-chip microcomputer, this relay group comprises the rechargeable battery relay one to one in a plurality of and this rechargeable battery set, and each this relay all is parallel between the two poles of the earth of this rechargeable battery.
Preferably, the charger of this serial connection charge battery pack also comprises an auxilliary charger, should all link to each other with this single-chip microcomputer with this relay group by auxilliary charger, when detecting the single battery of brownout, this single-chip microcomputer with gating to relay passage that should single battery, control should be carried out boost charge to this single battery by auxilliary charger, and this will greatly shorten the required time of balance.
Preferably, this main charger and this auxilliary charger be the modified constant-voltage charge device.
Preferably, this single-chip microcomputer also links to each other with a LCD, so that the user monitors charged state in real time.
Preferably, the charger of this serial connection charge battery pack also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled, even to guarantee under the abnormal condition of single-chip microcomputer, this relay group still can operate as normal, that is only gating single battery or any battery of gating not of any moment.
Preferably, this discharge circuit is the discharge circuit that photoelectricity is isolated, in case surpass the contained transistorized withstand voltage upper limit in this discharge circuit.
Preferably, this single-chip microcomputer also links to each other with a buzzer siren, in time reports to the police to user's buzzing when unusual taking place in charged state.
Another technical scheme of the present utility model is:
A kind of charger of serial connection charge battery pack, it comprises: a main charger is parallel between the two poles of the earth of this rechargeable battery set; One single-chip microcomputer links to each other with this main charger;
Its characteristics are, the charger of this serial connection charge battery pack also comprises: a relay group that links to each other with this single-chip microcomputer, this relay group comprises the rechargeable battery relay one to one in a plurality of and this rechargeable battery set, and each this relay all is parallel between the two poles of the earth of this rechargeable battery; One auxilliary charger, this auxilliary charger all links to each other with this single-chip microcomputer with this relay group.
Preferably, this main charger and this auxilliary charger be the modified constant-voltage charge device.
Preferably, this single-chip microcomputer also links to each other with a LCD, so that the user monitors charged state in real time.
Preferably, the charger of this serial connection charge battery pack also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled, even to guarantee under the abnormal condition of single-chip microcomputer, this relay group still can operate as normal, that is only gating single battery or any battery of gating not of any moment.
Preferably, this single-chip microcomputer also links to each other with a buzzer siren, in time reports to the police to user's buzzing when unusual taking place in charged state.
Another technical scheme of the present utility model is:
A kind of rechargeable battery set, it comprises the rechargeable battery of a plurality of series connection, its characteristics are that this rechargeable battery set also comprises: a single-chip microcomputer; A plurality of discharge circuits that link to each other with this single-chip microcomputer, those discharge circuits are corresponding one by one with those rechargeable batteries, and each this discharge circuit all is parallel between the two poles of the earth of this rechargeable battery; The one relay group that links to each other with this single-chip microcomputer, this relay group comprise a plurality of and those rechargeable batteries relay one to one, and each this relay all is parallel between the two poles of the earth of this rechargeable battery; The one auxilliary charger that links to each other with this single-chip microcomputer, the output of this auxilliary charger links to each other with this relay group.
Preferably, the two ends that the auxilliary required benefit power supply of charger is taken from series battery, promptly a constant current pressure limiting source that obtains after dc-dc (direct current, direct current) step-down just can not power to the operation of this auxilliary charger by external power supply thus.
Preferably, the input that should assist charger links to each other with the port that discharges and recharges of this rechargeable battery set, just can not power to the operation of this auxilliary charger thus, but power to this auxilliary charger by the external charge device that this rechargeable battery set is connected when charging by the port that discharges and recharges of this rechargeable battery set by external power supply.
Preferably, this single-chip microcomputer is provided with a serial ports that is used for the external equipment communication of this rechargeable battery set, so that this single-chip microcomputer is controlled external equipment.
Preferably, this auxilliary charger is the modified constant-voltage charge device.
Preferably, this single-chip microcomputer also links to each other with a LCD, so that the user monitors charged state in real time.
Preferably, the charger of this serial connection charge battery pack also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled, even to guarantee under the abnormal condition of single-chip microcomputer, this relay group still can operate as normal, that is only gating single battery or any battery of gating not of any moment.
Preferably, this discharge circuit is the discharge circuit that photoelectricity is isolated, in case surpass the contained transistorized withstand voltage upper limit in this discharge circuit.
Preferably, this single-chip microcomputer also links to each other with a buzzer siren, in time reports to the police to user's buzzing when unusual taking place in charged state.
Positive progressive effect of the present utility model is: by the design of relay group, single-chip microcomputer in the utility model can utilize the passage of each relay to switch, directly measure the magnitude of voltage that obtains each rechargeable battery two ends, the introducing error of having avoided all factor value conversions or partial pressure device unstable properties to be caused effectively, therefore can guarantee the accuracy of voltage detecting, finally realize high-precision battery equilibrium.Further, auxilliary charger can also combine with the relay group, when detecting the single battery of brownout, single-chip microcomputer can be immediately switches on should the relay passage of single battery assisting charger, directly this single battery is carried out boost charge, very rapidly recover the balance between each battery; Even under the situation of the design of saving each discharge circuit, also can more promptly recover the balance between each battery, therefore, saved the time of wasting because of the discharge balance in original charging modes, greatly shortened the required time of battery equilibrium, reduce the consuming time of whole charging process, improved the utilization ratio of electric energy.In addition, rechargeable battery set of the present utility model is then because direct integrated above-mentioned single-chip microcomputer, discharge circuit, relay group and the auxilliary charger of being provided with in the bilge construction within it, therefore, when utilizing an external charge device that it is charged, by the passage switching of this relay group and discharge and the boost charge of carrying out simultaneously with charging, make that this rechargeable battery set can be automatically and promptly recover balance between its each battery, finish the required time of charging thereby greatly shorten.
Description of drawings
Fig. 1 is the principle schematic of existing first kind of charging modes.
Fig. 2 is the principle schematic of existing second kind of charging modes.
Fig. 3 is the structural representation of first embodiment of the charger of serial connection charge battery pack of the present utility model.
Fig. 4 is the structural representation of second embodiment of the charger of serial connection charge battery pack of the present utility model.
Fig. 5 is the structural representation of the 3rd embodiment of the charger of serial connection charge battery pack of the present utility model.
Fig. 6 is the structural representation of rechargeable battery set of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
The charger of the serial connection charge battery pack of present embodiment goes for the occasion to various jumbo power battery chargings, for example the lithium battery group of multi-section serial or ferric phosphate lithium cell group or the like are specially adapted to the charging that number of batteries reaches the above battery pack of 10 joints.
As shown in Figure 3, the charger of this serial connection charge battery pack comprises: a main charger 1, be parallel between the two poles of the earth of battery pack 2, and be used for whole battery group 2 is charged, wherein this battery pack 2 rechargeable battery of being connected mutually by more piece is formed; One single-chip microcomputer 3 links to each other with main charger 1; A plurality of discharge circuits 4 that link to each other with single-chip microcomputer 3, these discharge circuits 4 are corresponding one by one with rechargeable battery in the battery pack 2, and each discharge circuit 4 all is parallel between the two poles of the earth of this rechargeable battery; Especially, the utility model also comprises a relay group 5 that links to each other with single-chip microcomputer 3, this relay group 5 comprises the rechargeable battery relay one to one in a plurality of and the battery pack 2, each relay all is parallel between the two poles of the earth of this rechargeable battery, and wherein this relay can be selected the commercially available various relays that get for use.
These relays in the relay group 5 constituted many with battery pack 2 in rechargeable battery passage one to one, single-chip microcomputer 3 then can control the gating and the cut-out of these passages as required neatly.When switching, because each relay all directly is parallel between the two poles of the earth of single rechargeable battery, single battery voltage is very low, and voltage much smaller than series battery 2, so single-chip microcomputer 3 can be under the very little prerequisite of the error of absolute method of measurement, by any one relay accurately measure obtain with the corresponding rechargeable battery of this relay on magnitude of voltage.Single-chip microcomputer 3 scans detection every a Preset Time to the current voltage of each rechargeable battery in the battery pack 2, and according to the default voltage accuracy scope of the mean value of current voltage, then, when the overtension that detects one or more batteries departs from this voltage accuracy scope, single-chip microcomputer 3 can discharge with the corresponding discharge circuit 4 of these batteries in control, thereby recover the balance between each battery rapidly, add the charging quickly process.
Wherein, this main charger can be selected the commercially available various chargers that get for use, preferably selects the modified constant-voltage charge device for use.
Wherein, the above-mentioned functions of this single-chip microcomputer 3 all realizes by existing software programming, so do not repeat them here.
In the present embodiment, both can adopt software decoding to control, and also can adopt a hardware decoder (not shown) that links to each other with relay group 5 that this relay group 5 is controlled relay group 5, but the preferred latter.Because the software decoding of being carried out by single-chip microcomputer 3 can not guarantee its dependability fully, when single-chip microcomputer 3 operation irregularities, the operation irregularity that will cause relay group 5 immediately, but under the situation that adopts hardware decoder, even single-chip microcomputer 3 is in abnormal operating state, relay group 5 still can keep operate as normal, promptly, any moment is gating single battery or any battery of gating not only, guarantees charging normal battery pack 2 thus.
Discharge circuit 4 in the present embodiment can adopt the various existing circuit structures that can realize discharging function to rechargeable battery, the discharge circuit of preferably selecting for use photoelectricity to isolate, in case surpass the contained transistorized withstand voltage upper limit in the discharge circuit 4, guarantee the dependability of device.
In addition, single-chip microcomputer 3 can also be linked to each other with a LCD (LCD) 7 and/or a buzzer siren 8 respectively, further, on the package panel of the charger of the serial connection charge battery pack of present embodiment, can also be provided with the control button.The user can control each intraware of the charger of this serial connection charge battery pack by the control button, and, this control button can also be designed to be used with LCD 7, thereby by the real-time demonstration of LCD 7 with to controlling the operation of button, the user can monitor the charged state of all batteries in real time.And utilize buzzer siren 8, when the generation operating state is unusual, passage for example takes place to be switched when unusual, single-chip microcomputer 3 just can be reported to the police to user's buzzing when stopping immediately charging, if also be combined with LCD 7, can also be presented on the screen failure condition for reference in time.
The difference of present embodiment and embodiment 1 is, as shown in Figure 4, set up an auxilliary charger 6 in the charger of this serial connection charge battery pack, this auxilliary charger 6 all links to each other with single-chip microcomputer 3 with relay group 5, and all the other structures of present embodiment are all identical with embodiment 1.At this moment, when the overtension that detects one or more batteries departed from this voltage accuracy scope, single-chip microcomputer 3 can discharge with the corresponding discharge circuit 4 of these batteries in control; Meanwhile, the single battery of the brownout that arrives at current detection, 3 of single-chip microcomputers can carry out channel selecting to relay group 5, auxilliary charger 6 is switched on should the relay passage of single battery, thereby utilize auxilliary charger 6 separately this single battery to be carried out boost charge (benefit).Thus, have benefited from charging, the discharge of discharge circuit 4 and the benefit electricity of auxilliary charger 6 of the main charger 1 that carries out simultaneously, can promptly recover the balance between each battery, add the charging quickly process.
Wherein, this auxilliary charger can be selected the commercially available various chargers that get for use, preferably selects the modified constant-voltage charge device for use.
The difference of present embodiment and embodiment 2 is, as shown in Figure 5, saved the structure of each discharge circuit 4 among the embodiment 2, and all the other structures of present embodiment is all identical with embodiment 2.At this moment, single-chip microcomputer 3 only carries out boost charge (benefit) to the single battery of detected brownout, be that single-chip microcomputer 3 can carry out channel selecting to relay group 5, auxilliary charger 6 is switched on should the relay passage of single battery, thereby utilize auxilliary charger 6 separately this single battery to be carried out boost charge.Thus, have benefited from the charging of the main charger 1 that carries out simultaneously and the benefit electricity of auxilliary charger 6, can promptly recover the balance between each battery, add the charging quickly process.
Embodiment 4
Present embodiment provides a kind of rechargeable battery set, as shown in Figure 6, present embodiment has carried out integrated encapsulation with all the other structures except that main charger 1 in the charger of battery pack among the embodiment 22 and embodiment 2, thereby has formed a kind of novel rechargeable battery set with battery automatic balance function.That is, the battery pack of forming except the rechargeable battery of connecting mutually in the internal structure of this rechargeable battery set 2, also be integrated with following assembly by more piece, wherein, these assemblies all with embodiment 2 in corresponding assembly have identical structure: a single-chip microcomputer 3; A plurality of discharge circuits 4 that link to each other with single-chip microcomputer 3, these discharge circuits 4 are corresponding one by one with rechargeable battery in the battery pack 2, and each discharge circuit 4 all is parallel between the two poles of the earth of a rechargeable battery; The one relay group 5 that links to each other with single-chip microcomputer 3, this relay group 5 comprise the rechargeable battery relay one to one in a plurality of and the battery pack 2, and each relay all is parallel between the two poles of the earth of a rechargeable battery; The one auxilliary charger 6 that links to each other with single-chip microcomputer 3, the output of this auxilliary charger 6 links to each other with relay group 5.
Thus, when utilizing an external charge device 9 to discharge and recharge port when this rechargeable battery set is charged by this rechargeable battery set, single-chip microcomputer 3 can scan detection to the current voltage of each rechargeable battery in the battery pack 2 every a Preset Time, and according to the default voltage accuracy scope of the mean value of current voltage, when the overtension that detects one or more batteries departed from this voltage accuracy scope, single-chip microcomputer 3 can discharge with the corresponding discharge circuit 4 of these batteries in control; Meanwhile, the single battery of the brownout that arrives at current detection, 3 of single-chip microcomputers can carry out channel selecting to relay group 5, auxilliary charger 6 is switched on should the relay passage of single battery, thereby utilize auxilliary charger 6 separately this single battery to be carried out boost charge (benefit).Thus, have benefited from charging, the discharge of discharge circuit 4 and the benefit electricity of auxilliary charger 6 of the external charge device 9 that carries out simultaneously, the rechargeable battery set of present embodiment can be automatically and is promptly recovered balance between each battery, shortens the required time of charging.
In addition, as shown in Figure 6, auxilliary charger 6 in the present embodiment can also increase following design than the auxilliary charger among the embodiment 26 further: the two ends that auxilliary charger 6 required benefit electricity power supplys are taken from series battery 2, just after the dc-dc step-down, obtain a constant current pressure limiting source, thus just can be not by the operation power supply of external power supply to auxilliary charger 6.The input that also can select to assist charger 6 links to each other with the port that discharges and recharges of the rechargeable battery set of present embodiment, like this when charging, can not power to the operation of auxilliary charger 6 equally, but power to auxilliary charger 6 by external charge device 9 by the port that discharges and recharges of this rechargeable battery set by external power supply.Certainly, more preferably, the input of assisting charger 6 can be parallel to simultaneously between the two poles of the earth of battery pack 2 and with the port that discharges and recharges of this rechargeable battery set and link to each other, with under the situation of not utilizing external power supply, be auxilliary charger 6 power supplies better.Wherein, this DC-DC transducer gets by commercially available.
In addition, as shown in Figure 6, single-chip microcomputer 3 in the present embodiment can also be further increases following design than the single-chip microcomputer among the embodiment 23: the single-chip microcomputer 3 in the present embodiment can also be provided with a serial ports that is used for carrying out with the external equipment of this rechargeable battery set communication, at this moment, also need to be equipped with the corresponding serial ports required on this external equipment naturally with single-chip microcomputer 3 communications.This external equipment can be for example external charge device 9, and single-chip microcomputer 3 is controlled external charger 9 by this serial ports, for example controls the startup of external charge device 9 and stops or the like.
This external charge device 9 can be selected the commercially available various chargers that get for use, preferably selects the modified constant-voltage charge device for use.
Design about hardware decoder, discharge circuit, LCD and buzzer siren in the present embodiment is all identical with embodiment 2, so do not repeat them here.
In sum, the charger of serial connection charge battery pack of the present utility model and rechargeable battery set be battery equilibrium precision height not only, and realizes that the required time of balance is short, can greatly shorten time of finishing charging and the utilization ratio that improves electric energy.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these execution modes.Therefore, protection range of the present utility model is limited by appended claims.
Claims (20)
1. the charger of a serial connection charge battery pack, it comprises:
One main charger is parallel between the two poles of the earth of this rechargeable battery set;
One single-chip microcomputer links to each other with this main charger;
A plurality of discharge circuits that link to each other with this single-chip microcomputer, these discharge circuits are corresponding one by one with rechargeable battery in this rechargeable battery set, and each this discharge circuit all is parallel between the two poles of the earth of this rechargeable battery;
It is characterized in that, the charger of this serial connection charge battery pack also comprises a relay group that links to each other with this single-chip microcomputer, this relay group comprises the rechargeable battery relay one to one in a plurality of and this rechargeable battery set, and each this relay all is parallel between the two poles of the earth of this rechargeable battery.
2. the charger of serial connection charge battery pack as claimed in claim 1 is characterized in that, the charger of this serial connection charge battery pack also comprises an auxilliary charger, and this auxilliary charger all links to each other with this single-chip microcomputer with this relay group.
3. the charger of serial connection charge battery pack as claimed in claim 2 is characterized in that, this main charger and this auxilliary charger be the modified constant-voltage charge device.
4. the charger of serial connection charge battery pack as claimed in claim 1 is characterized in that, this single-chip microcomputer also links to each other with a LCD.
5. the charger of serial connection charge battery pack as claimed in claim 1 is characterized in that, the charger of this serial connection charge battery pack also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled.
6. the charger of serial connection charge battery pack as claimed in claim 1 is characterized in that, this discharge circuit is the discharge circuit that photoelectricity is isolated.
7. the charger of serial connection charge battery pack as claimed in claim 1 is characterized in that, this single-chip microcomputer also links to each other with a buzzer siren.
8. the charger of a serial connection charge battery pack, it comprises:
One main charger is parallel between the two poles of the earth of this rechargeable battery set;
One single-chip microcomputer links to each other with this main charger;
It is characterized in that the charger of this serial connection charge battery pack also comprises:
The one relay group that links to each other with this single-chip microcomputer, this relay group comprise the rechargeable battery relay one to one in a plurality of and this rechargeable battery set, and each this relay all is parallel between the two poles of the earth of this rechargeable battery;
One auxilliary charger, this auxilliary charger all links to each other with this single-chip microcomputer with this relay group.
9. the charger of serial connection charge battery pack as claimed in claim 8 is characterized in that, this main charger and this auxilliary charger be the modified constant-voltage charge device.
10. the charger of serial connection charge battery pack as claimed in claim 8 is characterized in that, this single-chip microcomputer also links to each other with a LCD.
11. the charger of serial connection charge battery pack as claimed in claim 8 is characterized in that, the charger of this serial connection charge battery pack also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled.
12. the charger of serial connection charge battery pack as claimed in claim 8 is characterized in that, this single-chip microcomputer also links to each other with a buzzer siren.
13. a rechargeable battery set, the rechargeable battery that it comprises a plurality of series connection is characterized in that, this rechargeable battery set also comprises:
One single-chip microcomputer;
A plurality of discharge circuits that link to each other with this single-chip microcomputer, those discharge circuits are corresponding one by one with those rechargeable batteries, and each this discharge circuit all is parallel between the two poles of the earth of this rechargeable battery;
The one relay group that links to each other with this single-chip microcomputer, this relay group comprise a plurality of and those rechargeable batteries relay one to one, and each this relay all is parallel between the two poles of the earth of this rechargeable battery;
The one auxilliary charger that links to each other with this single-chip microcomputer, the output of this auxilliary charger links to each other with this relay group.
14. rechargeable battery set as claimed in claim 13 is characterized in that, the input of this auxilliary charger links to each other with the port that discharges and recharges of this rechargeable battery set.
15. rechargeable battery set as claimed in claim 13 is characterized in that, this single-chip microcomputer is provided with a serial ports that is used for the external equipment communication of this rechargeable battery set.
16. rechargeable battery set as claimed in claim 13 is characterized in that, this auxilliary charger is the modified constant-voltage charge device.
17. rechargeable battery set as claimed in claim 13 is characterized in that, this single-chip microcomputer also links to each other with a LCD.
18. rechargeable battery set as claimed in claim 13 is characterized in that, this rechargeable battery set also comprises a hardware decoder that links to each other with this relay group and this relay group is controlled.
19. rechargeable battery set as claimed in claim 13 is characterized in that, this discharge circuit is the discharge circuit that photoelectricity is isolated.
20. rechargeable battery set as claimed in claim 13 is characterized in that, this single-chip microcomputer also links to each other with a buzzer siren.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075603 CN201490290U (en) | 2009-07-31 | 2009-07-31 | Charger for rechargeable batteries connected in series and rechargeable battery pack |
| PCT/CN2009/073756 WO2011011931A1 (en) | 2009-07-31 | 2009-09-04 | Secondary battery pack and charger for secondary battery pack including series secondary batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075603 CN201490290U (en) | 2009-07-31 | 2009-07-31 | Charger for rechargeable batteries connected in series and rechargeable battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490290U true CN201490290U (en) | 2010-05-26 |
Family
ID=42429158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920075603 Expired - Lifetime CN201490290U (en) | 2009-07-31 | 2009-07-31 | Charger for rechargeable batteries connected in series and rechargeable battery pack |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201490290U (en) |
| WO (1) | WO2011011931A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101924388A (en) * | 2010-07-12 | 2010-12-22 | 无锡晶磊电子有限公司 | Full automatic balance type battery pack charger device |
| CN102005797A (en) * | 2010-12-08 | 2011-04-06 | 夏正奎 | Active self-management charging device of lithium-ion power battery |
| CN102545328A (en) * | 2010-08-05 | 2012-07-04 | E4V公司 | Method for balancing battery and battery management system implementing such method |
| CN103001286A (en) * | 2012-11-14 | 2013-03-27 | 北京汇众实业总公司 | Intelligent storage battery and storage battery system |
| CN103683439A (en) * | 2014-01-09 | 2014-03-26 | 北京沃特优科技有限公司 | System and method for controlling charge of lithium battery pack |
| CN107599880A (en) * | 2017-10-27 | 2018-01-19 | 单世敬 | Quick charge device |
| CN107681740A (en) * | 2017-11-07 | 2018-02-09 | 联华聚能科技股份有限公司 | The method of equilibrium cell voltage |
| CN108023369A (en) * | 2016-10-31 | 2018-05-11 | 单世敬 | Parallel-connection charging device |
| CN108462229A (en) * | 2018-03-19 | 2018-08-28 | 天津奥科盛科技有限公司 | A kind of aviation battery analysis by charged and discharged instrument and charging/discharging thereof |
| CN110571484A (en) * | 2019-09-19 | 2019-12-13 | 深圳市道通智能航空技术有限公司 | Battery management system, method and storage medium |
| TWI762961B (en) * | 2020-06-24 | 2022-05-01 | 倍米科技股份有限公司 | A system of battery pack balancing using a single charger and charging method |
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| CN103048938A (en) * | 2012-12-28 | 2013-04-17 | 天津市松正电动汽车技术股份有限公司 | Pre-charging system with parallel connection type relay |
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| CN100397741C (en) * | 2004-02-10 | 2008-06-25 | 深圳市鑫汇科电子有限公司 | Method for protecting series lithium cells and circuit thereof |
| CN100428606C (en) * | 2005-10-21 | 2008-10-22 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
| CN101162846A (en) * | 2007-10-22 | 2008-04-16 | 赵建和 | Series battery charge up circuit with charge compensate function |
-
2009
- 2009-07-31 CN CN 200920075603 patent/CN201490290U/en not_active Expired - Lifetime
- 2009-09-04 WO PCT/CN2009/073756 patent/WO2011011931A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924388A (en) * | 2010-07-12 | 2010-12-22 | 无锡晶磊电子有限公司 | Full automatic balance type battery pack charger device |
| CN102545328A (en) * | 2010-08-05 | 2012-07-04 | E4V公司 | Method for balancing battery and battery management system implementing such method |
| CN102005797A (en) * | 2010-12-08 | 2011-04-06 | 夏正奎 | Active self-management charging device of lithium-ion power battery |
| CN102005797B (en) * | 2010-12-08 | 2013-04-10 | 夏正奎 | Active self-management charging device of lithium-ion power battery |
| CN103001286A (en) * | 2012-11-14 | 2013-03-27 | 北京汇众实业总公司 | Intelligent storage battery and storage battery system |
| CN103683439A (en) * | 2014-01-09 | 2014-03-26 | 北京沃特优科技有限公司 | System and method for controlling charge of lithium battery pack |
| CN108023369A (en) * | 2016-10-31 | 2018-05-11 | 单世敬 | Parallel-connection charging device |
| CN107599880A (en) * | 2017-10-27 | 2018-01-19 | 单世敬 | Quick charge device |
| CN107681740A (en) * | 2017-11-07 | 2018-02-09 | 联华聚能科技股份有限公司 | The method of equilibrium cell voltage |
| CN108462229A (en) * | 2018-03-19 | 2018-08-28 | 天津奥科盛科技有限公司 | A kind of aviation battery analysis by charged and discharged instrument and charging/discharging thereof |
| CN110571484A (en) * | 2019-09-19 | 2019-12-13 | 深圳市道通智能航空技术有限公司 | Battery management system, method and storage medium |
| TWI762961B (en) * | 2020-06-24 | 2022-05-01 | 倍米科技股份有限公司 | A system of battery pack balancing using a single charger and charging method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011011931A1 (en) | 2011-02-03 |
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