CN103311966A - Battery self-adaptive control device and method for batteries connected in parallel - Google Patents
Battery self-adaptive control device and method for batteries connected in parallel Download PDFInfo
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- CN103311966A CN103311966A CN2012100598410A CN201210059841A CN103311966A CN 103311966 A CN103311966 A CN 103311966A CN 2012100598410 A CN2012100598410 A CN 2012100598410A CN 201210059841 A CN201210059841 A CN 201210059841A CN 103311966 A CN103311966 A CN 103311966A
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Abstract
The invention provides a battery self-adaptive control device for batteries connected in parallel. The battery self-adaptive control device comprises a charging loop, a discharging loop, a charging control circuit, a discharging control circuit, a main control panel, a system end which is used for connecting a load or an external power supply, and a battery end which is used for connecting a battery. The charging loop and the discharging loop are simultaneously connected between the system end and the battery end. The main control panel controls the on-off of the charging loop via the charging control circuit, and controls the on-off of the discharging loop via the discharging control circuit. The main control controls the on-off of the discharging loop via the discharging control circuit. Therefore, the charging or discharging process of the battery can be precisely controlled via the charging control circuit and the discharging control circuit. The overcharging or over-discharging of the battery can be avoided and the service life of the battery is prolonged. Besides, a terminal voltage or an output current value of the battery can be self-adaptively adjusted and the battery can be conveniently merged into an online battery pack.
Description
Technical field
The invention belongs to circuit control technology field, be specifically related to a kind of battery adaptive controller and method that is applied to the batteries in parallel connection group.
Background technology
To battery charge or battery in the process of load discharge, the situation of over-charging of battery or overdischarge usually occurs, thereby reduced the useful life of battery.In addition, when battery being incorporated in the online battery pack, need the terminal voltage of battery identical with the terminal voltage of online battery pack, so, in the technology, adopt usually online battery pack is done the step-down processing now, battery could be incorporated in the online battery pack then.But it is very loaded down with trivial details that online battery pack is done the operating process that step-down handles, and life period is long, the defective that wastes energy.
Summary of the invention
Defective at the prior art existence, the invention provides a kind of battery adaptive controller and method that is applied to the batteries in parallel connection group, can control the charge or discharge process of battery by charging control circuit and charge/discharge control circuit accurately, avoid the generation of over-charging of battery or over-discharge situation, prolonged the useful life of battery; And, can also self adaptation adjust terminal voltage or the output current value of battery, convenient battery is incorporated in the online battery pack.
The technical solution used in the present invention is as follows:
The invention provides a kind of battery adaptive controller that is applied to the batteries in parallel connection group, comprising: charge circuit, discharge loop, charging control circuit, charge/discharge control circuit, master control borad, be used for the system end that is connected with load or extraneous power supply and for the battery-end that is connected with battery; Described charge circuit and described discharge loop are connected between described system end and the described battery-end simultaneously, described master control borad is controlled the break-make of described charge circuit by described charging control circuit, and described master control borad is controlled the break-make of described discharge loop by described charge/discharge control circuit.
Preferably, also comprise current limliting adjustment circuit; Described current limliting is adjusted circuit and is connected with described charging control circuit.
Preferably, described current limliting adjustment circuit also is connected with described master control borad.
Preferably, described charging control circuit is first switch element, and described charge/discharge control circuit is the second switch element, and it is the 3rd switch element that described current limliting is adjusted circuit.
Preferably, described first switch element is first metal-oxide-semiconductor, and described second switch element is second metal-oxide-semiconductor, and described first metal-oxide-semiconductor and described second metal-oxide-semiconductor oppositely are connected to respectively in described charge circuit and the described discharge loop.
Preferably, also comprise: above voltage detection device and/or an above current detecting device and/or an above temperature detection device; Described voltage detection device is connected in the voltage detecting point place of described battery adaptive controller, described current detecting device is connected in the current detecting point place of described battery adaptive controller, and described temperature detection device is installed in the environment at described battery adaptive controller place; Described master control borad is connected with described temperature detection device with described voltage detection device, described current detecting device respectively.
Preferably, described voltage detection device is voltage sensor, and described current detecting device is current sensor, and described temperature detection device is temperature sensor.
Preferably, also comprise: panel, described panel is connected with described master control borad.
The present invention also provides a kind of battery self-adaptation control method that is applied to the batteries in parallel connection group, may further comprise the steps:
S1, described master control borad obtains the current state of described battery adaptive controller;
S2, described master control borad control the operating state of described charging control circuit, described charge/discharge control circuit, described current limliting adjustment circuit according to described current state.
Preferably, described current state comprises: the magnitude of voltage at charged state, discharge condition, described voltage detecting point place, current value, the temperature value at described current detecting point place.
Preferably, described master control borad obtains charged state or the discharge condition of described battery adaptive controller by the following method:
All be under the closed state at described charging control circuit and described charge/discharge control circuit, judge that by detecting in described charging control loop or the described discharge control loop sense of current described battery adaptive controller is in charged state or discharge condition.
Preferably, S2 is specially:
When described battery adaptive controller is in charged state, described master control borad obtains the current current value of described charge circuit, and should current current value and predetermined threshold value compare, if described current current value greater than described predetermined threshold value, then the described current limliting of conducting is adjusted circuit.
Preferably, after the S1, also comprise:
S3, described main control computer judge whether described current state is normal, if judged result then sends warning message to described panel for not.
Beneficial effect of the present invention is as follows:
Battery adaptive controller and the method that is applied to the batteries in parallel connection group provided by the invention has the following advantages: (1) master control borad is controlled the charge or discharge process of battery by the break-make of control charging control circuit and charge/discharge control circuit, avoid the generation of over-charging of battery or over-discharge situation, prolonged the useful life of battery; (2) master control borad passes through the break-make that the control current limliting is adjusted circuit, and then adjusts terminal voltage or the end electric current of battery, thereby has improved the adaptivity of battery, conveniently it is inserted in the online battery pack; (3) master control borad can detect the temperature conditions of magnitude of voltage, current value or battery environment of living in battery charge or the discharge process in real time, thereby compare according to detected value and preset value, when surpassing preset value, report to the police to the external world, thereby improved fail safe in the battery use.
Description of drawings
Fig. 1 is the structural representation that is applied to the battery adaptive controller of batteries in parallel connection group provided by the invention.
Embodiment
Below in conjunction with accompanying drawing battery adaptive controller provided by the invention and method are described in detail:
The invention provides a kind of battery adaptive controller that is applied to the batteries in parallel connection group, comprising: for the system end that is connected with load or extraneous power supply, 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 connected between system end and the battery-end simultaneously, and master control borad is by the break-make of charging control circuit control charge circuit, and master control borad is by the break-make of charge/discharge control circuit control discharge loop.Among the present invention, owing to be connected with charge circuit and discharge loop simultaneously 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, master control borad can be controlled the on off operating mode of charge circuit and discharge loop according to detected battery status, avoid the generation of over-charging of battery or over-discharge situation, prolonged the useful life of battery.
For further increasing function of the present invention, also comprise current limliting adjustment circuit; Current limliting is adjusted circuit and is connected with charging control circuit, and current limliting is adjusted circuit and also is connected with master control borad.Control by the break-make that master control borad is adjusted circuit to current limliting, and then the electric current of control charge circuit.Among the present invention, adjust circuit owing to be provided with current limliting, in charging process, master control borad is adjusted the break-make of circuit and then is reached the purpose of regulating charge circuit voltage or size of current by adjusting current limliting, therefore, do not need that online battery pack is carried out voltage and handle, can easily battery be incorporated in the online battery pack.
In actual applications, charging control circuit can be first switch element, charge/discharge control circuit can be the second switch element, current limliting is adjusted circuit can be the 3rd switch element, more specifically, first switch element is first metal-oxide-semiconductor, and the second switch element is second metal-oxide-semiconductor, and first metal-oxide-semiconductor and second metal-oxide-semiconductor oppositely are connected to respectively in charge circuit and the discharge loop.Because the unilateral conduction of metal-oxide-semiconductor, and, first metal-oxide-semiconductor and second metal-oxide-semiconductor oppositely are connected in charge circuit and the discharge loop respectively, thereby guaranteed the independent operating of charge circuit and discharge loop, realized the function of battery adaptive controller charge independence provided by the invention or independent discharge.
Be to improve master control borad to the effect of battery adaptive controller comprehensive monitoring, also comprise: above voltage detection device and/or an above current detecting device and/or an above temperature detection device; Wherein, voltage detection device is connected in the voltage detecting point place of battery adaptive controller, and the current detecting device is connected in the current detecting point place of battery adaptive controller, and temperature detection device is installed in the environment at battery adaptive controller place; Master control borad is connected with temperature detection device with voltage detection device, current detecting device respectively.In actual applications, voltage detection device can be voltage sensor, and the current detecting device can be current sensor, and temperature detection device can be temperature sensor.Therefore, magnitude of voltage, current value and temperature value that master control borad can be uploaded by voltage detection device, current detecting device and temperature detection device, thereby more fully obtain the running status of battery adaptive controller, thereby take corresponding executive measure according to the size of magnitude of voltage, current value and temperature value, realized the function to the real-time overall monitor of battery adaptive controller.
In addition, master control borad also is connected with panel, and by the operation of each the operation push-button control master control borad on the panel, and the various data that master control borad obtains can be uploaded to host computer by panel.In addition, when the battery charge of master control borad monitoring or discharge data are unusual, also by the alarm equipment alarm on the panel.
The present invention also provides a kind of battery self-adaptation control method that is applied to the batteries in parallel connection group, may further comprise the steps:
S1, master control borad obtain the current state of battery adaptive controller;
Wherein, current state comprises: the magnitude of voltage at charged state, discharge condition, voltage detecting point place, current value, the temperature value at current detecting point place.
Wherein, the obtain manner of above-mentioned state is:
The obtain manner of charged state or discharge condition is: all be under the closed state at charging control circuit and charge/discharge control circuit, sense of current judgement battery adaptive controller is in charged state or discharge condition in charging control loop or the discharge control loop by detecting.
The current value at the magnitude of voltage at voltage detecting point place, current detecting point place, the obtain manner of temperature value are: the data of uploading by voltage detection device, current detecting device and temperature detection device are obtained magnitude of voltage, current value or temperature value respectively.
S2, master control borad is controlled the operating state that charging control circuit, charge/discharge control circuit and current limliting are adjusted circuit according to current state.
For example, when the battery adaptive controller was in charged state, master control borad obtained the current current value of charge circuit, and should current current value and predetermined threshold value compare, if current current value is greater than predetermined threshold value, then conducting current limliting is adjusted circuit, that is to say, when current current value during greater than predetermined threshold value, electric current can produce battery and damage, so the conducting current limliting is adjusted circuit, reach the purpose that reduces current current value.
After the S1, also comprise:
S3, main control computer judge whether current state is normal, if judged result then sends warning message to panel for not.
In sum, battery adaptive controller and the method that is applied to the batteries in parallel connection group provided by the invention has the following advantages: (1) master control borad is controlled the charge or discharge process of battery by the break-make of control charging control circuit and charge/discharge control circuit, avoid the generation of over-charging of battery or over-discharge situation, prolonged the useful life of battery; (2) master control borad passes through the break-make that the control current limliting is adjusted circuit, and then adjusts terminal voltage or the end electric current of battery, thereby has improved the adaptivity of battery, conveniently it is inserted in the online batteries in parallel connection group; (3) master control borad can detect the temperature conditions of magnitude of voltage, current value or battery environment of living in battery charge or the discharge process in real time, thereby compare according to detected value and preset value, when surpassing preset value, report to the police to the external world, thereby improved fail safe in the battery use.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (13)
1. battery adaptive controller that is applied to the batteries in parallel connection group, it is characterized in that, comprising: charge circuit, discharge loop, charging control circuit, charge/discharge control circuit, master control borad, be used for the system end that is connected with load or extraneous power supply and for the battery-end that is connected with battery; Described charge circuit and described discharge loop are connected between described system end and the described battery-end simultaneously, described master control borad is controlled the break-make of described charge circuit by described charging control circuit, and described master control borad is controlled the break-make of described discharge loop by described charge/discharge control circuit.
2. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 1 is characterized in that, also comprises current limliting adjustment circuit; Described current limliting is adjusted circuit and is connected with described charging control circuit.
3. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 2 is characterized in that, described current limliting is adjusted circuit and also is connected with described master control borad.
4. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 2, it is characterized in that, described charging control circuit is first switch element, and described charge/discharge control circuit is the second switch element, and it is the 3rd switch element that described current limliting is adjusted circuit.
5. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 4, it is characterized in that, described first switch element is first metal-oxide-semiconductor, described second switch element is second metal-oxide-semiconductor, and described first metal-oxide-semiconductor and described second metal-oxide-semiconductor oppositely are connected to respectively in described charge circuit and the described discharge loop.
6. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 1 is characterized in that, also comprises: above voltage detection device and/or an above current detecting device and/or an above temperature detection device; Described voltage detection device is connected in the voltage detecting point place of described battery adaptive controller, described current detecting device is connected in the current detecting point place of described battery adaptive controller, and described temperature detection device is installed in the environment at described battery adaptive controller place; Described master control borad is connected with described temperature detection device with described voltage detection device, described current detecting device respectively.
7. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 6 is characterized in that, described voltage detection device is voltage sensor, and described current detecting device is current sensor, and described temperature detection device is temperature sensor.
8. the battery adaptive controller that is applied to the batteries in parallel connection group according to claim 1 is characterized in that, also comprises: panel, described panel is connected with described master control borad.
9. an application rights requires each described battery self-adaptation control method that is applied to the batteries in parallel connection group that is applied to the battery adaptive controller of batteries in parallel connection group of 1-8, it is characterized in that, may further comprise the steps:
S1, described master control borad obtains the current state of described battery adaptive controller;
S2, described master control borad control the operating state of described charging control circuit, described charge/discharge control circuit, described current limliting adjustment circuit according to described current state.
10. the battery self-adaptation control method that is applied to the batteries in parallel connection group according to claim 9, it is characterized in that described current state comprises: the magnitude of voltage at charged state, discharge condition, described voltage detecting point place, current value, the temperature value at described current detecting point place.
11. the battery self-adaptation control method that is applied to the batteries in parallel connection group according to claim 10 is characterized in that, described master control borad obtains charged state or the discharge condition of described battery adaptive controller by the following method:
All be under the closed state at described charging control circuit and described charge/discharge control circuit, judge that by detecting in described charging control loop or the described discharge control loop sense of current described battery adaptive controller is in charged state or discharge condition.
12. the battery self-adaptation control method that is applied to the batteries in parallel connection group according to claim 10 is characterized in that S2 is specially:
When described battery adaptive controller is in charged state, described master control borad obtains the current current value of described charge circuit, and should current current value and predetermined threshold value compare, if described current current value greater than described predetermined threshold value, then the described current limliting of conducting is adjusted circuit.
13. the battery self-adaptation control method that is applied to the batteries in parallel connection group according to claim 9 is characterized in that, after the S1, also comprises:
S3, described main control computer judge whether described current state is normal, if judged result then sends warning message to described panel for not.
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| CN201210059841.0A CN103311966B (en) | 2012-03-06 | 2012-03-06 | It is applied to battery adaptive controller and the method for batteries in parallel connection group |
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| CN201210059841.0A CN103311966B (en) | 2012-03-06 | 2012-03-06 | It is applied to battery adaptive controller and the method for batteries in parallel connection group |
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| 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 |
| 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 |
| 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 |
| CN111293754A (en) * | 2020-03-20 | 2020-06-16 | Oppo广东移动通信有限公司 | Charging system, method, electronic device, and computer-readable storage medium |
| CN111384736A (en) * | 2018-12-29 | 2020-07-07 | 中兴通讯股份有限公司 | Charging/discharging device, control method and device, battery device, and storage medium |
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| CN103311966B (en) | 2016-06-22 |
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