CN203086176U - Charging control device for series battery - Google Patents
Charging control device for series battery Download PDFInfo
- Publication number
- CN203086176U CN203086176U CN 201220703024 CN201220703024U CN203086176U CN 203086176 U CN203086176 U CN 203086176U CN 201220703024 CN201220703024 CN 201220703024 CN 201220703024 U CN201220703024 U CN 201220703024U CN 203086176 U CN203086176 U CN 203086176U
- Authority
- CN
- China
- Prior art keywords
- battery
- cell
- series
- discharge
- series battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a charging control device for series battery which comprises a plurality of single batteries. The charging control device comprises a charging power supply module, a battery manager and a processor. According to the charging control device for the series battery provided by the utility model, the charging time can be shortened through applying large charging current on the series battery when charging is started. Furthermore the processor controls charging current on the charging power supply module according to the voltage data acquired by the battery manager. The charging current is reduced gradually from charging starting to charging end. The voltages of each single battery of the series battery can be equalized.
Description
Technical field
The utility model relates to the battery charge controller that is used for series battery, relates in particular to the battery charge controller that is used for to mining plumbic acid or lithium ion cell charging.
Background technology
At present, in mining back-up source, all be with storage battery as energy-storage travelling wave tube, for example lead-acid battery and lithium ion battery etc.The monomer voltage of these batteries is all lower, and in order to obtain higher voltage, the formation series battery be together in series these cells.How guaranteeing the equalizing charge apace of series battery in charging process, is a key technology giving full play to storage battery usefulness.
The existing battery charge controller that is used for series battery, by each cell is adopted independently charge power supply, or a charge power supply has the output of many group direct currents, and every group of direct current output is charged to a cell respectively.But in the battery pack cell quantity more for a long time, then this charging modes realizes that more complicated is consuming time, volume is bigger.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of battery charge controller that is used for series battery, and it can be fast charges to each cell of series battery.
The utility model is achieved through the following technical solutions: a kind of battery charge controller that is used for series battery, and described series battery comprises a plurality of cells, described battery charge controller comprises:
The charge power supply module is connected with described series battery, provides charging current in order to give described series battery;
Battery manager is in order to the voltage of each cell of gathering described series battery; And
Processor is connected with described battery manager with described charge power supply module, in order to control the charging current of described charge power supply module according to the voltage data of described battery manager collection, makes described charging current reduce gradually from beginning to be charged to complete charge.
As further improvement of the utility model, described series battery is lead-acid batteries or lithium-ions battery group.
As further improvement of the utility model, described battery charge controller also comprises:
The charging current sampling resistor in order to the charging current sampling, is connected between described charge power supply module and the described series battery, and is connected with described processor.
As further improvement of the utility model, described battery charge controller also comprises:
Discharge module comprises the discharge cell that is connected in series with each cell, and described discharge cell is connected in series the voltage with balanced each cell with each cell, and described discharge module is connected with described processor by described battery manager.
As further improvement of the utility model, described discharge cell comprises discharge resistance and discharge metal-oxide-semiconductor, the grid of described discharge metal-oxide-semiconductor is connected with described battery manager, in the source electrode of described discharge metal-oxide-semiconductor and the drain electrode one is connected with an end of described discharge resistance, the source electrode of described discharge metal-oxide-semiconductor extremely is connected another extreme connection of the other end of described discharge resistance and corresponding cell with another person in the drain electrode with one of corresponding cell.
As further improvement of the utility model, described discharge metal-oxide-semiconductor is the P channel MOS tube.
The beneficial effects of the utility model are: according to the battery charge controller that is used for series battery of the present utility model, can be by when beginning to charge, utilizing big charging current to series battery, shorten the charging interval, and the voltage data that processor is gathered according to battery manager is controlled the charging current of charge power supply module, reduce charging current gradually from beginning to be charged to complete charge, the voltage of each cell that can balanced series battery.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, below especially exemplified by embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the schematic block circuit diagram as an embodiment of the battery charge controller that is used for series battery of the present utility model.
Fig. 2 is the charging procedure control flow chart of the battery charge controller that is used for series battery of Fig. 1.
Fig. 3 is to each cell the discharge algorithm and the step schematic diagram of flow-dividing control among Fig. 2.
Embodiment
As shown in Figure 1, battery charge controller charge power supply module 1, processor 2, battery manager 3 and the series battery 4 that is used for series battery of the present utility model.
Wherein, series battery 4 comprises a plurality of cells.And series battery 4 is preferably lead-acid accumulator for mine use group or lithium-ions battery group.
Charge power supply module 1 is connected with series battery 4, provides charging current in order to give series battery 4.Battery manager 3 is in order to the voltage of each cell of collection series battery 4.Battery manager 3 sends to processor 2 with the voltage data of gathering.Processor 2 is connected with battery manager 3 with charge power supply module 1, in order to control the charging current of charge power supply module 1 according to the voltage data of battery manager 3 collections, makes charging current reduce gradually from beginning to be charged to complete charge.
According to the battery charge controller that is used for series battery of the present utility model, can be by when beginning to charge, utilizing big charging current to series battery 4, shorten the charging interval, and the voltage data that processor 2 is gathered according to battery manager 3 is controlled the charging current of charge power supply module 1, reduce charging current gradually from beginning to be charged to complete charge, the voltage of each cell that can balanced series battery 4.Promptly, under the situation that guarantees the accuracy of equalization, begin to adopt big as far as possible charging current to series battery 4 charge (this charging current should less than the maximum charging current that cell allowed), rising along with the voltage of cell, processor 2 reduces charging current gradually, and processor 2 is sampled to each monomer battery voltage in real time by battery manager 3 and is analyzed, the size of decision charging current.
Battery charge controller also comprises charging current sampling resistor 7.Described charging current sampling resistor 7 is connected between charge power supply module 1 and the series battery 4, and is connected with processor 2 in order to the charging current sampling.
Battery charge controller also comprises discharge module.Discharge module comprises the discharge cell that is connected in series with each cell, and discharge cell is connected in series the voltage with balanced each cell with each cell, and discharge module is connected with processor 2 by battery manager 3.Wherein, discharge cell can comprise discharge resistance 5 and discharge metal-oxide-semiconductor 6, the grid of discharge metal-oxide-semiconductor 6 is connected with battery manager 3, the source electrode of discharge metal-oxide-semiconductor 6 and drain in one be connected with an end of discharge resistance 5, the source electrode of discharge metal-oxide-semiconductor 6 and drain in another person extremely be connected another extreme connection of the other end of discharge resistance 5 and corresponding cell with one of corresponding cell.
In execution mode shown in Figure 1, discharge metal-oxide-semiconductor 6 is the P channel MOS tube.The grid of discharge metal-oxide-semiconductor 6 is connected with battery manager 3, the source electrode of discharge metal-oxide-semiconductor 6 is connected with an end of discharge resistance 5, the drain electrode of discharge metal-oxide-semiconductor 6 connects with the positive terminal of corresponding cell 41, and the other end of discharge resistance 5 connects with the negative pole end of corresponding cell 41.In addition, in the present embodiment, the grid of discharge metal-oxide-semiconductor 6 is connected with battery manager 3, and processor 2 can be by the conducting and the disconnection of battery manager 3 control discharge metal-oxide-semiconductors 6.
Because each cell all is serially connected with discharge cell, so can finely tune the voltage of corresponding cell by activating discharge cell, and then the voltage of each cell of balanced accurately series battery 4, make each cell have essentially identical time-voltage curve.
Therefore, begin to adopt big as far as possible charging current to series battery 4 charge (this charging current should less than the maximum charging current that cell allowed), rising along with the voltage of cell, processor 2 reduces charging current gradually, and processor 2 is sampled to each monomer battery voltage in real time by battery manager 3 and is analyzed, the size of decision charging current, control the shunting of the discharge metal-oxide-semiconductor realization of each cell correspondence simultaneously, guarantee the charging rate and the accuracy of equalization the cell charging.
Although in the present embodiment, discharge cell comprises discharge resistance 5 and discharge metal-oxide-semiconductor 6, but the utility model is not limited to this, for example discharge cell can comprise discharge resistance and the electronic switch of being controlled by processor 2, as long as discharge cell can be realized cell is discharged, the voltage of fine setting cell gets final product.
Introduce the course of work that is used for the battery charge controller of series battery of the present utility model below in conjunction with Fig. 2 and Fig. 3.
In step 101, the charging control program that is used for series battery of the present utility model begins.In step 102, can set initial charge current.Initial charge current set or the changeless situation of initial charge current under, can omit step 102.In step 103, processor 2 control charging current modules 2 with this initial charge current to series battery 4 charge (maximum charging current that this initial charge current should allow less than the cell of series battery).Wherein, the size of initial charge current can influence the time of charging, and under the situation that guarantees omnidistance precision, initial charging current is big more, and the charging deadline is short more.Processor 2 receives the voltage of each cell that battery managers 3 collect from battery manager 3, and the voltage of all each cells that collects asked average voltage level, then with the voltage of each cell therewith average voltage level compare, be used as the foundation of monomer discharge shunting size with comparison value.In step 104, by the break-make of processor 2 control discharge metal-oxide-semiconductors 6, to each cell flow-dividing control of discharging.The algorithm of step 104 and step are specifically with reference to Fig. 3.In step 105, whether the voltage of judging each cell at the appointed time and the difference of average voltage surpass permissible value (it is interior that promptly whether this difference remains on the difference range of permission), if, then enter step 106, if not, then enter step 107.Along with the carrying out of charging, the discharge flow-dividing control can not guarantee that generally the voltage difference of each cell remains in the permission difference range.In step 106,, reduce the electric current of charge power supply by processor 2 control charge power supply modules 1.Then, in step 107, processor 2 judges based on the voltage data of the cell of battery manager 3 collections whether the voltage of each cell arrives scheduled voltage, if, then enter step 108, if not, then repeating step 103 is to step 107.In step 108, charging finishes.
Fig. 3 shows each cell the discharge algorithm and the step of flow-dividing control.In step 1042, earlier the monomer battery voltage and the cell average voltage of the cell of connecting are got the difference difference of winning, this first difference gets second difference with setting balancing error voltage as difference again, according to the width that removes to modulate the pwm pulse of controlling discharge metal-oxide-semiconductor 6 with second difference that obtains, thereby reach the purpose of control shunting size, make that in certain charging interval, each monomer battery voltage remains in the voltage range of permission.Wherein, to the discharge flow-dividing control of cell by processor at the appointed time poll control, the high speed of processor has guaranteed the promptness and the accuracy of balanced control.The size of stipulated time is influential to the vibration frequency of balanced difference voltage, and the stipulated time is more little, and so balanced difference curve can be level and smooth more.
Above embodiment has been described in detail the utility model, and formation is to restriction of the present utility model but these are not.Protection range of the present utility model does not exceed with above-mentioned execution mode, as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (6)
1. battery charge controller that is used for series battery, described series battery comprises a plurality of cells, it is characterized in that, described battery charge controller comprises:
The charge power supply module is connected with described series battery, provides charging current in order to give described series battery;
Battery manager is in order to the voltage of each cell of gathering described series battery; And
Processor is connected with described battery manager with described charge power supply module, in order to control the charging current of described charge power supply module according to the voltage data of described battery manager collection, makes described charging current reduce gradually from beginning to be charged to complete charge.
2. the battery charge controller that is used for series battery according to claim 1 is characterized in that, described series battery is lead-acid batteries or lithium-ions battery group.
3. the battery charge controller that is used for series battery according to claim 1 is characterized in that, described battery charge controller also comprises:
The charging current sampling resistor in order to the charging current sampling, is connected between described charge power supply module and the described series battery, and is connected with described processor.
4. the battery charge controller that is used for series battery according to claim 1 is characterized in that, described battery charge controller also comprises:
Discharge module comprises the discharge cell that is connected in series with each cell, and described discharge cell is connected in series the voltage with balanced each cell with each cell, and described discharge module is connected with described processor by described battery manager.
5. the battery charge controller that is used for series battery according to claim 4, it is characterized in that, described discharge cell comprises discharge resistance and discharge metal-oxide-semiconductor, the grid of described discharge metal-oxide-semiconductor is connected with described battery manager, in the source electrode of described discharge metal-oxide-semiconductor and the drain electrode one is connected with an end of described discharge resistance, the source electrode of described discharge metal-oxide-semiconductor extremely is connected another extreme connection of the other end of described discharge resistance and corresponding cell with another person in the drain electrode with one of corresponding cell.
6. the battery charge controller that is used for series battery according to claim 5 is characterized in that, described discharge metal-oxide-semiconductor is the P channel MOS tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703024 CN203086176U (en) | 2012-12-18 | 2012-12-18 | Charging control device for series battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703024 CN203086176U (en) | 2012-12-18 | 2012-12-18 | Charging control device for series battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086176U true CN203086176U (en) | 2013-07-24 |
Family
ID=48831981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703024 Expired - Fee Related CN203086176U (en) | 2012-12-18 | 2012-12-18 | Charging control device for series battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033905A (en) * | 2015-03-20 | 2016-10-19 | 李莉 | Battery-pack control unit, control system and control method |
| CN106329669A (en) * | 2016-11-03 | 2017-01-11 | 湖北追日电气股份有限公司 | Distributed battery equalization module |
-
2012
- 2012-12-18 CN CN 201220703024 patent/CN203086176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033905A (en) * | 2015-03-20 | 2016-10-19 | 李莉 | Battery-pack control unit, control system and control method |
| CN106033905B (en) * | 2015-03-20 | 2018-10-23 | 李莉 | A kind of battery pack control unit, control system and control method |
| CN106329669A (en) * | 2016-11-03 | 2017-01-11 | 湖北追日电气股份有限公司 | Distributed battery equalization module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101192755B (en) | A voltage balance management device of dynamic battery pack and management method | |
| US20170288417A1 (en) | Fast Charging Apparatus and Method | |
| CN108808804B (en) | Device for on-line equalization and capacity verification of battery pack and control method | |
| CN103066671B (en) | Lithium battery group all fills method and apparatus | |
| CN103647115B (en) | A kind of application process taking lithium-rich manganese-based solid-solution material as anodal battery | |
| CN105356561B (en) | Double-battery charge discharge system and method | |
| US11571981B2 (en) | Battery equalization system, vehicle, battery equalization method and storage medium | |
| CN107769316B (en) | Online equalization system of battery pack and battery | |
| CN109378534B (en) | Charging method, charging device and mobile terminal | |
| CN102723534A (en) | Rapid charging method of rechargeable batteries | |
| CN108183534B (en) | Combined pulse rapid equalizing charge control system and method | |
| JP5705046B2 (en) | Power system | |
| CN202353275U (en) | Power battery equalization circuit combining charging and discharging | |
| CN203086176U (en) | Charging control device for series battery | |
| CN206060307U (en) | A kind of accumulator cell charging and discharging bascule | |
| CN201860135U (en) | Battery charging device capable of equalizing charging | |
| CN107394842A (en) | Based on S4The lithium cell charging control device of R type circuit topologies | |
| CN106230067A (en) | A kind of battery pack balancing charging circuit and balanced charging method | |
| CN115622187A (en) | Active equalization circuit and active equalization method of battery pack | |
| KR20160046220A (en) | Apparatus for Cell Balancing by Connecting Reference Battery in Consecutive Order and Method thereof | |
| CN103515665A (en) | Charging device and charging method | |
| CN103560554B (en) | Electric quantity balancer for battery pack | |
| CN101958566A (en) | Battery pack charging device for equalizing charging | |
| CN203933071U (en) | Battery charger charge/discharge control circuit | |
| CN212137327U (en) | Device for balancing single battery cell in lithium battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |