CN103311966B - It is applied to battery adaptive controller and the method for batteries in parallel connection group - Google Patents
It is applied to battery adaptive controller and the method for batteries in parallel connection group Download PDFInfo
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- CN103311966B CN103311966B CN201210059841.0A CN201210059841A CN103311966B CN 103311966 B CN103311966 B CN 103311966B CN 201210059841 A CN201210059841 A CN 201210059841A CN 103311966 B CN103311966 B CN 103311966B
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Abstract
The present invention provides a kind of battery adaptive controller being applied to batteries in parallel connection group, including: charge circuit, discharge loop, charging control circuit, charge/discharge control circuit, master control borad, for the system end being connected with load or extraneous power supply be used for the battery-end being connected with battery；Described charge circuit and described discharge loop are simultaneously coupled between described system end and described battery-end, described master control borad controls the break-make of described charge circuit by described charging control circuit, and described master control borad controls the break-make of described discharge loop by described charge/discharge control circuit。Described master control borad controls the break-make of described discharge loop by described charge/discharge control circuit。Therefore, it is possible to be accurately controlled the charge or discharge process of battery by charging control circuit and charge/discharge control circuit, it is to avoid the generation of over-charging of battery or over-discharge situation, extend the service life of battery；And, additionally it is possible to the terminal voltage of self-adaptative adjustment battery or output current value, conveniently battery is incorporated in online set of cells。
Description
Technical field
The invention belongs to technical field of circuit control, be specifically related to a kind of battery adaptive controller being applied to batteries in parallel connection group and method。
Background technology
To battery charging or battery in the process of load discharge, the situation of over-charging of battery or overdischarge usually occurring, thus reducing the service life of battery。It addition, when battery is incorporated in online set of cells, it is necessary to the terminal voltage of battery is identical with the terminal voltage of online set of cells, so, now in the art, generally adopt and online set of cells is done blood pressure lowering process, then battery could be incorporated in online set of cells。But, the operating process that online set of cells is done blood pressure lowering process is extremely loaded down with trivial details, and there is the defect of time length, the waste energy。
Summary of the invention
For the defect that prior art exists, the present invention provides a kind of battery adaptive controller being applied to batteries in parallel connection group and method, the charge or discharge process of battery can be accurately controlled by charging control circuit and charge/discharge control circuit, avoid the generation of over-charging of battery or over-discharge situation, extend the service life of battery；And, additionally it is possible to the terminal voltage of self-adaptative adjustment battery or output current value, conveniently battery is incorporated in online set of cells。
The technical solution used in the present invention is as follows:
The present invention provides a kind of battery adaptive controller being applied to batteries in parallel connection group, including: charge circuit, discharge loop, charging control circuit, charge/discharge control circuit, master control borad, for the system end being connected with load or extraneous power supply be used for the battery-end being connected with battery；Described charge circuit and described discharge loop are simultaneously coupled between described system end and described battery-end, described master control borad controls the break-make of described charge circuit by described charging control circuit, and described master control borad controls the break-make of described discharge loop by described charge/discharge control circuit。
Preferably, also include current limliting and adjust circuit；Described current limliting adjusts circuit and connects with described charging control circuit。
Preferably, described current limliting adjustment circuit is also connected with described master control borad。
Preferably, described charging control circuit is the first switch element, and described charge/discharge control circuit is second switch element, and it is the 3rd switch element that described current limliting adjusts circuit。
Preferably, described first switch element is the first metal-oxide-semiconductor, and described second switch element is the second metal-oxide-semiconductor, and described first metal-oxide-semiconductor and described second metal-oxide-semiconductor are reversely connected in described charge circuit and described discharge loop respectively。
Preferably, also include: 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 battery adaptive controller, described current sensing device is connected to the current detecting point place of described battery adaptive controller, and described temperature detection device is arranged in the environment at described battery adaptive controller place；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, also including: panel, described panel is connected with described master control borad。
The present invention also provides for a kind of battery self-adaptation control method being applied to batteries in parallel connection group, comprises the following steps:
S1, described master control borad obtains the current state of described battery adaptive controller；
S2, described master control borad controls the duty of described charging control circuit, described charge/discharge control circuit, described current limliting adjustment circuit according to described current state。
Preferably, described current state includes: charged state, discharge condition, the magnitude of voltage at described voltage detecting point place, the current value at described current detecting point place, temperature value。
Preferably, described master control borad obtains charged state or the discharge condition of described battery adaptive controller by the following method:
When described charging control circuit and described charge/discharge control circuit are in closing, judge that described battery adaptive controller is in charged state or discharge condition by detecting sense of current in described charge control loop or described discharge control loop。
Preferably, S2 particularly as follows:
When described battery adaptive controller is in charged state, described master control borad obtains the present current value of described charge circuit, and this present current value and predetermined threshold value are compared, if described present current value is more than described predetermined threshold value, then turns on described current limliting and adjust circuit。
Preferably, after S1, also include:
S3, described main control computer judges that whether described current state is normal, if it is judged that be no, then sends warning message to described panel。
Beneficial effects of the present invention is as follows:
The battery adaptive controller being applied to batteries in parallel connection group provided by the invention and method have the advantage that (1) master control borad controls the charge or discharge process of battery by controlling the break-make of charging control circuit and charge/discharge control circuit, avoid the generation of over-charging of battery or over-discharge situation, extend the service life of battery；(2) master control borad passes through to control the break-make of current limliting adjustment circuit, and then adjusts the terminal voltage of battery or hold electric current, thus improve the adaptivity of battery, is conveniently accessed in online set of cells；(3) master control borad can detect the temperature conditions of the magnitude of voltage in battery charge or discharge process, current value or battery local environment in real time, thus value and preset value according to detecting compare, outwardly report to the police when exceeding preset value, thus the safety that improve in battery use procedure。
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery adaptive controller being applied to batteries in parallel connection group provided by the invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, battery adaptive controller provided by the invention and method are described in detail:
The present invention provides a kind of battery adaptive controller being applied to batteries in parallel connection group, including: for the system end being connected with load or extraneous power supply, it is used for the battery-end, charge circuit, discharge loop, charging control circuit, charge/discharge control circuit and the master control borad that are connected with battery；Charge circuit and discharge loop are simultaneously coupled between system end and battery-end, and master control borad controls the break-make of charge circuit by charging control circuit, and master control borad controls the break-make of discharge loop by charge/discharge control circuit。In the present invention, owing to being simultaneously connected with charge circuit and discharge loop at system end and battery-end, and by master control borad, the on off operating mode of charge circuit and discharge loop is controlled, therefore, the on off operating mode that master control borad can control charge circuit and discharge loop according to the battery status detected, avoid the generation of over-charging of battery or over-discharge situation, extend the service life of battery。
For increasing the function of the present invention further, also include current limliting and adjust circuit；Current limliting adjusts circuit and connects with charging control circuit, and, current limliting adjusts circuit and is also connected with master control borad。Break-make current limliting being adjusted circuit by master control borad is controlled, and then controls the electric current of charge circuit。In the present invention, circuit is adjusted owing to being provided with current limliting, in charging process, master control borad adjusts the break-make of circuit by adjusting current limliting and then reaches to regulate the purpose of charge circuit voltage or size of current, therefore, online set of cells need not be carried out voltage process, can easily battery be incorporated in online set of cells。
In actual applications, charging control circuit can be the first switch element, charge/discharge control circuit can be second switch element, it can be the 3rd switch element that current limliting adjusts circuit, more specifically, first switch element is the first metal-oxide-semiconductor, and second switch element is the second metal-oxide-semiconductor, and the first metal-oxide-semiconductor and the second metal-oxide-semiconductor are reversely connected in charge circuit and discharge loop respectively。Unilateral conduction due to metal-oxide-semiconductor, and, first metal-oxide-semiconductor and the second metal-oxide-semiconductor are reversely connected in charge circuit and discharge loop respectively, thus ensure that the independent operating of charge circuit and discharge loop, it is achieved that the function of battery adaptive controller charge independence provided by the invention or independent electric discharge。
For improving the master control borad effect to battery adaptive controller comprehensive monitoring, also include: 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 battery adaptive controller, and current sensing device is connected to the current detecting point place of battery adaptive controller, and temperature detection device is arranged in the environment at battery adaptive controller place；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。Therefore, magnitude of voltage, current value and the temperature value that master control borad can be uploaded by voltage detection device, current sensing device and temperature detection device, thus more fully obtaining the running status of battery adaptive controller, thus the size according to magnitude of voltage, current value and temperature value takes corresponding executive measure, it is achieved that the function to the real-time overall monitor of battery adaptive controller。
It addition, master control borad is also connected with panel, by each operation on panel by the operation of key control master control borad, and, the various data that master control borad obtains can be uploaded to host computer by panel。It addition, when the battery charge or discharge data exception of master control borad monitoring, also by the alarm equipment alarm on panel。
The present invention also provides for a kind of battery self-adaptation control method being applied to batteries in parallel connection group, comprises the following steps:
S1, master control borad obtains the current state of battery adaptive controller；
Wherein, current state includes: the magnitude of voltage at charged state, discharge condition, voltage detecting point place, the current value at current detecting point place, temperature value。
Wherein, the acquisition mode of above-mentioned state is:
The acquisition mode of charged state or discharge condition is: when charging control circuit and charge/discharge control circuit are in closing, and judges that battery adaptive controller is in charged state or discharge condition by detecting sense of current in charge control loop or discharge control loop。
The magnitude of voltage at voltage detecting point place, the current value at current detecting point place, temperature value acquisition mode be: data acquisition magnitude of voltage, current value or the temperature value uploaded respectively through voltage detection device, current sensing device and temperature detection device。
S2, master control borad controls charging control circuit, charge/discharge control circuit and current limliting according to current state and adjusts the duty of circuit。
Such as, when battery adaptive controller is in charged state, master control borad obtains the present current value of charge circuit, and this present current value and predetermined threshold value is compared, if present current value is more than predetermined threshold value, then conducting current limliting adjusts circuit, say, that when present current value is more than predetermined threshold value, battery can be produced to damage by electric current, so, conducting current limliting adjusts circuit, reduces the purpose of present current value。
After S1, also include:
S3, main control computer judges that whether current state is normal, if it is judged that be no, then sends warning message to panel。
In sum, the battery adaptive controller being applied to batteries in parallel connection group provided by the invention and method have the advantage that (1) master control borad controls the charge or discharge process of battery by controlling the break-make of charging control circuit and charge/discharge control circuit, avoid the generation of over-charging of battery or over-discharge situation, extend the service life of battery；(2) master control borad passes through to control the break-make of current limliting adjustment circuit, and then adjusts the terminal voltage of battery or hold electric current, thus improve the adaptivity of battery, is conveniently accessed in online batteries in parallel connection group；(3) master control borad can detect the temperature conditions of the magnitude of voltage in battery charge or discharge process, current value or battery local environment in real time, thus value and preset value according to detecting compare, outwardly report to the police when exceeding preset value, thus the safety that improve in battery use procedure。
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 making some improvements and modifications, these improvements and modifications also should look protection scope of the present invention。
Claims (1)
1. the battery self-adaptation control method being applied to batteries in parallel connection group, it is characterised in that be applied in the battery adaptive controller of batteries in parallel connection group, it is possible to the terminal voltage of self-adaptative adjustment battery or output current value, thus being incorporated to battery in online set of cells；
The battery adaptive controller of described batteries in parallel connection group includes: charge circuit, discharge loop, charging control circuit, charge/discharge control circuit, master control borad, for the system end being connected with load or extraneous power supply be used for the battery-end being connected with battery；Described charge circuit and described discharge loop are simultaneously coupled between described system end and described battery-end, described master control borad controls the break-make of described charge circuit by described charging control circuit, and described master control borad controls the break-make of described discharge loop by described charge/discharge control circuit；
Also include current limliting and adjust circuit；Described current limliting adjusts circuit and connects with described charging control circuit, and described current limliting adjusts circuit and is also connected with described master control borad；
Described charging control circuit is the first switch element, and described charge/discharge control circuit is second switch element, and it is the 3rd switch element that described current limliting adjusts circuit；
Described first switch element is the first metal-oxide-semiconductor, and described second switch element is the second metal-oxide-semiconductor, and described first metal-oxide-semiconductor and described second metal-oxide-semiconductor are reversely connected in described charge circuit and described discharge loop respectively；
Also include: more than one voltage detection device, 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 battery adaptive controller, described current sensing device is connected to the current detecting point place of described battery adaptive controller, and described temperature detection device is arranged in the environment at described battery adaptive controller place；Described master control borad is connected with described voltage detection device, described current sensing device and described temperature detection device respectively；
Described voltage detection device is voltage sensor, and described current sensing device is current sensor, and described temperature detection device is temperature sensor；
Also including: panel, described panel is connected with described master control borad；
Method comprises the following steps:
S1, described master control borad obtains the current state of described battery adaptive controller；
S2, described master control borad controls the duty of described charging control circuit, described charge/discharge control circuit, described current limliting adjustment circuit according to described current state；
Wherein, described current state includes: the magnitude of voltage at charged state, discharge condition, voltage detecting point place, the current value at current detecting point place, temperature value；
S2 particularly as follows:
When described battery adaptive controller is in charged state, described master control borad obtains the present current value of described charge circuit, and this present current value and predetermined threshold value are compared, if described present current value is more than described predetermined threshold value, then turns on described current limliting and adjust circuit；
Wherein, described master control borad obtains charged state or the discharge condition of described battery adaptive controller by the following method:
When described charging control circuit and described charge/discharge control circuit are in closing, judge that described battery adaptive controller is in charged state or discharge condition by detecting sense of current in described charge control loop or described discharge control loop；
Wherein, after S1, also include:
S3, described main control computer judges that whether described current state is normal, if it is judged that be no, then sends warning message to described panel。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106207283A (en) * | 2016-07-26 | 2016-12-07 | 同济大学 | A kind of supervising device of vehicle-mounted multiple-connected battery group |
| CN107769280A (en) * | 2016-08-19 | 2018-03-06 | 成都库仑科技有限公司 | A kind of charge-discharge circuit and charge and discharge protecting method, management system and management method based on the circuit |
| CN109245189A (en) * | 2017-07-10 | 2019-01-18 | 中兴通讯股份有限公司 | A kind of battery management system and a kind of circuit for battery set charge/discharge |
| CN107994640A (en) * | 2017-12-18 | 2018-05-04 | 江苏双登富朗特新能源有限公司 | The battery management system and its management method of passive trigger-type charging current limiter |
| CN111293754B (en) * | 2020-03-20 | 2021-11-09 | Oppo广东移动通信有限公司 | Charging system, method, electronic device, and computer-readable storage medium |
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| JP5104648B2 (en) * | 2008-08-21 | 2012-12-19 | 新神戸電機株式会社 | Vehicle power supply apparatus and control method thereof |
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| CN101383521A (en) * | 2007-07-05 | 2009-03-11 | 凹凸电子（武汉）有限公司 | Charging circuit, electronic device and battery pack charging process |
| CN101567575A (en) * | 2008-04-25 | 2009-10-28 | 三星Sdi株式会社 | Current breaking method of a rechargeable battery and battery pack using same |
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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. |