CN103311965B - Batteries in parallel connection group discharge and recharge intelligent management apapratus and method - Google Patents
Batteries in parallel connection group discharge and recharge intelligent management apapratus and method Download PDFInfo
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- CN103311965B CN103311965B CN201210059818.1A CN201210059818A CN103311965B CN 103311965 B CN103311965 B CN 103311965B CN 201210059818 A CN201210059818 A CN 201210059818A CN 103311965 B CN103311965 B CN 103311965B
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Abstract
The invention provides a kind of batteries in parallel connection group discharge and recharge intelligent management apapratus and method, this device comprises: charging and discharging circuit, charge-discharge control circuit, master control borad, for the system end that is connected with load or extraneous power supply and the battery-end for being connected with several battery units in parallel; Further, described in each, battery unit comprises: cell and cell control module, and described master control borad controls the charge status of described cell by described cell control module.Therefore; can the charge or discharge state of each battery in Real-Time Monitoring batteries in parallel connection group; when there is the battery of charge or discharge abnormal state in batteries in parallel connection group; necessary safeguard measure can be taked targetedly to abnormal battery; and outwardly send alarm signal, thus the entirety that improve batteries in parallel connection group uses effect and whole service life.
Description
Technical field
The invention belongs to technical field of circuit control, be specifically related to a kind of batteries in parallel connection group discharge and recharge intelligent management apapratus and method.
Background technology
Batteries in parallel connection group is made up of several cell parallels, thus provides stronger current value to power consumption equipment.In desirable batteries in parallel connection group, the operating voltage of each battery all should be consistent with actual capacity.But, due to the problem of technique and material, certain difference can be there is in the bulk properties of each battery, and, along with the increase of batteries in parallel connection group discharge and recharge number of times, this otherness of each battery can increase gradually, and then has increased the weight of the disequilibrium between each battery, and the entirety eventually reducing batteries in parallel connection group uses effect.
Such as: when to batteries in parallel connection group charging or batteries in parallel connection group in the process of load discharge, due to the disequilibrium of each battery, often can occur the situation of certain or certain several over-charging of battery or overdischarge, thus the entirety reducing batteries in parallel connection group uses effect and whole service life.
Summary of the invention
For the defect that prior art exists; the invention provides a kind of batteries in parallel connection group discharge and recharge intelligent management apapratus and method; can the charge or discharge state of each battery in Real-Time Monitoring batteries in parallel connection group; when there is the battery of charge or discharge abnormal state in batteries in parallel connection group; necessary safeguard measure can be taked targetedly to abnormal battery; and outwardly send alarm signal, thus the entirety that improve batteries in parallel connection group uses effect and whole service life.
The technical solution used in the present invention is as follows:
The invention provides a kind of batteries in parallel connection group discharge and recharge intelligent management apapratus, charging and discharging circuit, charge-discharge control circuit, master control borad, for the system end that is connected with load or extraneous power supply and the battery-end for being connected with several battery units in parallel; Described charging and discharging circuit is connected between described system end and described battery-end, and described master control borad controls the break-make of described charging and discharging circuit by described charge-discharge control circuit; Further, described in each, battery unit comprises: cell and cell control module, and described master control borad controls the charge status of described cell by described cell control module.
Preferably, also comprise: more than one voltage detection device and/or more than one current sensing device and/or more than one temperature detection device; Described voltage detection device is connected to the voltage detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus, described current sensing device is connected to the current detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus, and described temperature detection device is arranged on the temperature detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus; Described master control borad is connected with described voltage detection device, described current sensing device and described temperature detection device respectively.
Preferably, described voltage detection device is voltage sensor, and described current sensing device is current sensor, and described temperature detection device is temperature sensor.
Preferably, described voltage detecting point comprises: the terminal voltage detecting point of cell described in each and/or the terminal voltage detecting point of described system end; Described current detecting point comprises: the current detecting point of cell branch road described in each and/or the total current test point of described system end; Described temperature detecting point comprises: the temperature detecting point of environment and/or the hull-skin temperature test point of cell described in each residing for described batteries in parallel connection group discharge and recharge intelligent management apapratus.
Preferably, also comprise: panel, described panel is connected with described master control borad.
The present invention also provides a kind of batteries in parallel connection group discharge and recharge intelligent management, comprises the following steps:
S1, described master control borad obtains the current state of system end and/or battery unit described in each described in described batteries in parallel connection group discharge and recharge intelligent management apapratus;
S2, described master control borad controls described charge-discharge control circuit and the operating state of cell control module described in each according to described current state.
Preferably, described current state comprises: the magnitude of voltage at charged state, discharge condition, described voltage detecting point place, the current value at described current detecting point place, the temperature value at described temperature detecting point place; Wherein, described voltage detecting point comprises: the terminal voltage detecting point of cell described in each and/or the terminal voltage detecting point of described system end; Described current detecting point comprises: the current detecting point of cell branch road described in each and/or the total current test point of described system end; Described temperature detecting point comprises: the temperature detecting point of environment and/or the hull-skin temperature test point of cell described in each residing for described batteries in parallel connection group discharge and recharge intelligent management apapratus.
Preferably, after S1, also comprise:
S3, described master control borad judges that whether described current state is normal, if judged result is no, then sends warning message to described panel.
Beneficial effect of the present invention is as follows:
Batteries in parallel connection group discharge and recharge intelligent management apapratus provided by the invention and method, have the following advantages: (1) master control borad can the charging and discharging state of each cell in Real-time Obtaining batteries in parallel connection group, and the charge status of each cell is controlled by the on off operating mode controlling the cell control module corresponding with each cell, avoid overcharging or the generation of over-discharge situation of each cell, thus the entirety that improve batteries in parallel connection group uses effect and whole service life.(2) master control borad can the magnitude of voltage of system end and/or current value in Real-time Obtaining batteries in parallel connection group, and control batteries in parallel connection group charge status by this magnitude of voltage and/or current value, thus extend the scope that batteries in parallel connection group charging and discharging state is monitored, further avoid overcharging or the generation of over-discharge situation of each cell, extend the whole service life of batteries in parallel connection group.(3) the master control borad temperature conditions that can detect in the charge or discharge process of batteries in parallel connection group residing for magnitude of voltage, current value or battery environment in real time, thus compare according to the value detected and preset value, outwardly report to the police when exceeding preset value, thus improve the fail safe in the use procedure of batteries in parallel connection group.
Accompanying drawing explanation
Fig. 1 is the structural representation of batteries in parallel connection group discharge and recharge intelligent management apapratus provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, batteries in parallel connection group discharge and recharge intelligent management apapratus provided by the invention and method are described in detail:
The invention provides a kind of batteries in parallel connection group discharge and recharge intelligent management apapratus, comprising: for the system end, battery-end, charging and discharging circuit, charge-discharge control circuit and the master control borad for being connected with several battery units in parallel that are connected with load or extraneous power supply; Charging and discharging circuit is connected between system end and battery-end, and master control borad controls the break-make of charging and discharging circuit by charge-discharge control circuit; Further, each battery unit comprises: cell and cell control module, and master control borad controls the charge status of cell by cell control module.In the present invention, master control borad can the charging and discharging state of each cell in Real-time Obtaining batteries in parallel connection group, and the charge status of each cell is controlled by the on off operating mode controlling the cell control module corresponding with each cell, avoid overcharging or the generation of over-discharge situation of each cell, thus the entirety that improve batteries in parallel connection group uses effect and whole service life.
For improving master control borad to the effect of batteries in parallel connection group charging and discharging state comprehensive monitoring, also comprise: more than one voltage detection device and/or more than one current sensing device and/or more than one temperature detection device; Wherein, voltage detection device is connected to the voltage detecting point place of batteries in parallel connection group discharge and recharge intelligent management apapratus, current sensing device is connected to the current detecting point place of batteries in parallel connection group discharge and recharge intelligent management apapratus, and temperature detection device is arranged on the temperature detecting point place of batteries in parallel connection group discharge and recharge intelligent management apapratus; Master control borad is connected with voltage detection device, current sensing device and temperature detection device respectively.In actual applications, voltage detection device can be voltage sensor, and current sensing device can be current sensor, and temperature detection device can be temperature sensor.Further, voltage detecting point comprises: the terminal voltage detecting point of each cell and/or the terminal voltage detecting point of system end; Current detecting point comprises: the current detecting point of each cell branch road and/or the total current test point of system end; Temperature detecting point comprises: the temperature detecting point of environment and/or the hull-skin temperature test point of each cell residing for batteries in parallel connection group discharge and recharge intelligent management apapratus.Therefore, magnitude of voltage, current value and temperature value that master control borad can be uploaded by voltage detection device, current sensing device and temperature detection device, thus more fully obtain the running status of system end and each cell in batteries in parallel connection group charge and discharge process, thus take corresponding executive measure according to the size of magnitude of voltage, current value and temperature value, achieve the function to the real-time overall monitor of batteries in parallel connection group charge and discharge process.
In addition, master control borad is also connected with panel, controlled the operation of master control borad, and the various data that master control borad obtains can be uploaded to host computer by panel by each operation push-button on panel.In addition, when the batteries in parallel connection group charge or discharge data exception of master control borad monitoring, also by the alarm equipment alarm on panel.
The present invention also provides a kind of batteries in parallel connection group discharge and recharge intelligent management, comprises the following steps:
S1, master control borad obtains the current state of system end and/or each battery unit in batteries in parallel connection group discharge and recharge intelligent management apapratus;
Wherein, current state comprises: the magnitude of voltage at charged state, discharge condition, voltage detecting point place, the current value at current detecting point place, the temperature value at temperature detecting point place; Wherein, voltage detecting point comprises: the terminal voltage detecting point of each cell and/or the terminal voltage detecting point of system end; Current detecting point comprises: the current detecting point of each cell branch road and/or the total current test point of system end; Temperature detecting point comprises: the temperature detecting point of environment and/or the hull-skin temperature test point of each cell residing for batteries in parallel connection group discharge and recharge intelligent management apapratus.
S2, master control borad controls the operating state of charge-discharge control circuit and each cell control module according to described current state.
Such as: in charging process, when detecting that the charging current of some cell A exceedes default maximum, for avoiding electric current to be burnt, the charging of closing for controlling cell A charged state is needed to control electronic circuit A; Now, if the charging current of other cells is within the scope of predetermined normal level, then other cells still charge normal.That is, in the present invention, independent control can be carried out to each cell respectively, when the cell of existence exception, can targetedly this be led normal cell and is controlled, and the working condition of other normal cells can not be affected.
It should be noted that, the present invention can arrange various charging overvoltage at master control borad place, the safeguard measure such as under-voltage, the discharge and recharge overcurrent of discharging, thus improve batteries in parallel connection group safety in utilization.
After S1, also comprise:
S3, master control borad judges that whether current state is normal, if judged result is no, then sends warning message to panel.
Batteries in parallel connection group discharge and recharge intelligent management apapratus provided by the invention and method, have the following advantages: (1) master control borad can the charging and discharging state of each cell in Real-time Obtaining batteries in parallel connection group, and the charge status of each cell is controlled by the on off operating mode controlling the cell control module corresponding with each cell, avoid overcharging or the generation of over-discharge situation of each cell, thus the entirety that improve batteries in parallel connection group uses effect and whole service life.(2) master control borad can the magnitude of voltage of system end and/or current value in Real-time Obtaining batteries in parallel connection group, and control batteries in parallel connection group charge status by this magnitude of voltage and/or current value, thus extend the scope that batteries in parallel connection group charging and discharging state is monitored, further avoid overcharging or the generation of over-discharge situation of each cell, extend the whole service life of batteries in parallel connection group.(3) the master control borad temperature conditions that can detect in the charge or discharge process of batteries in parallel connection group residing for magnitude of voltage, current value or battery environment in real time, thus compare according to the value detected and preset value, outwardly report to the police when exceeding preset value, thus improve the fail safe in the use procedure of batteries in parallel connection group.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (1)
1. apply the batteries in parallel connection group discharge and recharge intelligent management of batteries in parallel connection group discharge and recharge intelligent management apapratus for one kind, it is characterized in that, described batteries in parallel connection group discharge and recharge intelligent management apapratus comprises: charging and discharging circuit, charge-discharge control circuit, master control borad, for the system end that is connected with load or extraneous power supply and the battery-end for being connected with several battery units in parallel; Described charging and discharging circuit is connected between described system end and described battery-end, and described master control borad controls the break-make of described charging and discharging circuit by described charge-discharge control circuit; Further, described in each, battery unit comprises: cell and cell control module, and described master control borad controls the charge status of described cell by described cell control module;
Also comprise: more than one voltage detection device and more than one current sensing device and more than one temperature detection device; Described voltage detection device is connected to the voltage detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus, described current sensing device is connected to the current detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus, and described temperature detection device is arranged on the temperature detecting point place of described batteries in parallel connection group discharge and recharge intelligent management apapratus; Described master control borad is connected with described voltage detection device, described current sensing device and described temperature detection device respectively;
Described voltage detecting point comprises: the terminal voltage detecting point of cell described in each and the terminal voltage detecting point of described system end; Described current detecting point comprises: the current detecting point of cell branch road described in each and the total current test point of described system end; Described temperature detecting point comprises: the hull-skin temperature test point of the temperature detecting point of environment residing for described batteries in parallel connection group discharge and recharge intelligent management apapratus and cell described in each;
Wherein, described voltage detection device is voltage sensor, and described current sensing device is current sensor, and described temperature detection device is temperature sensor; Also comprise: panel, described panel is connected with described master control borad;
Batteries in parallel connection group discharge and recharge intelligent management comprises the following steps:
S1, described master control borad obtains system end described in described batteries in parallel connection group discharge and recharge intelligent management apapratus and the current state of battery unit described in each;
S2, described master control borad controls described charge-discharge control circuit and the operating state of cell control module described in each according to described current state;
Wherein, described current state comprises: the magnitude of voltage at charged state, discharge condition, described voltage detecting point place, the current value at described current detecting point place, the temperature value at described temperature detecting point place; In charging process, when detecting that the charging current of some cell A exceedes default maximum, for avoiding electric current to be burnt, the charging of closing for controlling cell A charged state controls electronic circuit A; Now, if the charging current of other cells is within the scope of predetermined normal level, then other cells still charge normal; That is, respectively independent control is carried out to each cell, when the cell of existence exception, targetedly this abnormal cell is controlled, and the working condition of other normal cells can not be affected;
Wherein, after S1, also comprise:
S3, described master control borad judges that whether described current state is normal, if judged result is no, then sends warning message to described panel.
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| CN201210059818.1A CN103311965B (en) | 2012-03-06 | 2012-03-06 | Batteries in parallel connection group discharge and recharge intelligent management apapratus and method |
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Families Citing this family (13)
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| CN105958140A (en) * | 2016-06-29 | 2016-09-21 | 广东亿纬赛恩斯新能源系统有限公司 | Lithium ion power battery protection device and method |
| CN106207283A (en) * | 2016-07-26 | 2016-12-07 | 同济大学 | A kind of supervising device of vehicle-mounted multiple-connected battery group |
| CN106685013A (en) * | 2017-03-13 | 2017-05-17 | 四川力垦锂动力科技有限公司 | Storage battery circuit structure |
| CN107508357A (en) * | 2017-09-15 | 2017-12-22 | 启攀微电子（上海）有限公司 | A kind of more piece lithium battery management system in parallel |
| CN107650718A (en) * | 2017-10-11 | 2018-02-02 | 吴光军 | A kind of electric vehicle rapid charging control circuit and control method |
| TWI674730B (en) * | 2018-02-14 | 2019-10-11 | 加百裕工業股份有限公司 | Parallel battery system and method |
| JP7042128B2 (en) * | 2018-03-26 | 2022-03-25 | 日立Astemo株式会社 | Voltage detector |
| CN109733780A (en) * | 2019-01-04 | 2019-05-10 | 蔚来汽车有限公司 | Power battery intelligent warehousing system and method |
| CN110838746B (en) * | 2019-11-27 | 2023-10-13 | 深圳古瑞瓦特新能源有限公司 | Battery parallel circuit and battery parallel device |
| CN111030211A (en) * | 2019-11-28 | 2020-04-17 | 珠海格力电器股份有限公司 | Battery charging and discharging control method and device, storage medium and electric vehicle |
| CN111446752B (en) * | 2020-03-31 | 2023-05-30 | 东莞新能安科技有限公司 | Current limiting method, electronic device and storage medium |
| CN112290145A (en) * | 2020-11-26 | 2021-01-29 | 江苏博煦电池科技有限公司 | Lithium battery module |
| CN116774092B (en) * | 2023-08-18 | 2024-04-09 | 荣耀终端有限公司 | Battery detection method, circuit, device, chip and readable storage medium |
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Address after: 100095 floor No. 1, courtyard No. 33, purple Bird Road, Haidian District, Beijing City, -1 to 5 floor 101 Patentee after: Beijing linkage Tianyi Polytron Technologies Inc Address before: 100044 Beijing city Haidian District Road No. 5 Building 2 401 P.Tricuspidata Patentee before: Beijing Liandong Tianyi Technology Co., Ltd. |