CN1431746A - Device for protecting rechargeable batteries with memory capability and its operation method - Google Patents

Device for protecting rechargeable batteries with memory capability and its operation method Download PDF

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Publication number
CN1431746A
CN1431746A CN 03114458 CN03114458A CN1431746A CN 1431746 A CN1431746 A CN 1431746A CN 03114458 CN03114458 CN 03114458 CN 03114458 A CN03114458 A CN 03114458A CN 1431746 A CN1431746 A CN 1431746A
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rechargeable battery
unit
discharge
temperature
charging
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CN100429854C (en
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陈淮琰
赵珺
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Inventec Besta Xian Co Ltd
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Inventec Besta Xian Co Ltd
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Abstract

The technical scheme of the invention includes the charge control unit, the micro processing unit, the power source management module, the discharge control unit, the temperature-sensing unit, the electric quantity detection unit and the operation display unit. The charge control unit, the discharge control unit, the temperature-sensing unit and the electric quantity detection unit constitute the circuit module group. The micro processing unit is connected to the circuit module group, the power source management module and the operation display unit respectively. The main control program stored in the power source management module controls the electric quantity comparison program, the temperature comparison program and the program for store information relates to the charge and discharge of the electricity.

Description

A kind of protection has the device and the using method thereof of Memorability rechargeable battery
Affiliated technical field:
The present invention relates to a kind of device and using method thereof, be specifically related to device and using method thereof that a kind of protection has the Memorability rechargeable battery to the rechargeable battery charging.
Background technology:
Present rechargeable battery can divide two kinds that do not have Memorability and have Memorability, the rechargeable battery that does not have Memorability uses remaining electric weight later can not produce the accumulation phenomenon, rechargeable battery its remaining electric weight after using with Memorability can be deposited in the battery, and also can increase with its remaining electric weight of increase of access times thereupon, and this remaining part of getting off can occupy the capacitance of storage of this rechargeable battery, make rechargeable capacity reduce relatively, but scarcely understand the memory characteristic of this kind rechargeable battery because of the user, charge by force and cause rechargeable battery to be damaged, though perhaps understand the memory characteristic of this kind rechargeable battery, but also take place to charge by force because of understanding the current battery remaining capacity, cause rechargeable battery to be damaged, in the course of time, will significantly shorten the useful life of this rechargeable battery, scraps in advance.The rechargeable battery that electronic installation was suitable on the market at present is still the rechargeable battery based on Memorability such as ni-mh, NI-Gs, therefore how can this kind rechargeable battery be done effectively protection and suitable utilization, is present institute urgent problem.Present a kind of solution is with functions such as relevant preventing rechargeable battery overcharges, overdischarge, overvoltage, overcurrent and short circuits, protects by hardware unit fully, and the problem that its exists is: 1, hardware unit cost height; 2, because so each function is finished functional method in case determine just can not upgrade renewal by hardware; 3, can't provide complete information and more humane user's interface to give the user in use, so this problem can't thoroughly be improved.
Summary of the invention:
The present invention will overcome prior art hardware unit cost height, the renewal of can not upgrading, the shortcoming of complete information and more humane user's interface can't be provided when using.
For overcoming the shortcoming of prior art, the invention provides the device that a kind of protection has the Memorability rechargeable battery, comprise charging control unit 50, its special character is: also comprise microprocessing unit 20, power management module 30, discharge control unit 40, temperature sensing unit 60, electric-quantity monitoring unit 70 and operation display unit, described charging control unit 50, discharge control unit 40, temperature sensing unit 60 and electric-quantity monitoring unit 70 forming circuit modules, described microprocessing unit 20 respectively with circuit module, power management module 30 is connected with operation display unit 100; Store primary control program 31 in the described power management module 30, these primary control program 31 controls have electric weight comparison program 32, temperature comparison program 33 and discharge and recharge relevant information stored routine 34.
In the described circuit module, be provided with rechargeable battery 80 in its charging control unit 50, the negative pole end ground connection of this rechargeable battery 80, be in series with discharge current-limiting resistance 41 and discharge control triode 42 in the described discharge control unit 40, one end ground connection of discharge current-limiting resistance 41, the other end is connected to the output of discharge control triode 42, and the base stage and the emitter of discharge control triode 42 are connected to microprocessing unit 20; The emitter of the anodal termination discharge control triode 42 of described rechargeable battery 80.
Be to be provided with temperature sensor in the described temperature sensing unit 60, the two ends of this temperature sensor are connected with microprocessing unit 20.
Be provided with temperature sensor in the said temperature sensing unit 60, this temperature sensor one end ground connection, the other end links to each other with overheated current limliting unit 62, this overheated current limliting unit 62 comprises reference resistance 63, said reference resistance 63 1 ends are series at temperature sensor, the other end connects rechargeable battery 80, and the contact of reference resistance 63 and temperature sensor is connected with microprocessing unit 20.
Described temperature sensor is a thermistor 61, this thermistor 61 near the rechargeable battery 80 in battery cases 90, be arranged at its below.So that the more accurate real-time temperature value of this rechargeable battery 80 when discharging and recharging of trying to achieve.
Described electric-quantity monitoring unit 70 is directly connected in the two ends of rechargeable battery 80.
Described operation display unit 100 is operation display unit of LCD.
Described operation display unit 100 is light-emitting diodes body units 130 and controls unit 140.
The using method that a kind of above-mentioned protection has the device of Memorability rechargeable battery is:
When at first importing this external power supply 120, carry out step S1 immediately, microprocessing unit 20 drives this electric-quantity monitoring unit 70 and earlier the electric weight of this rechargeable battery 80 is detected.When the electric weight of rechargeable battery 80 reaches when being suitable for charging standard, then carry out step S2; Then do not carry out step S6 when being suitable for charging standard if reach.
In step S2, microprocessing unit 20 drives this discharge control unit 40, in order to this rechargeable battery 80 is carried out discharging action; In discharge process, discharge control unit 40 is controlled voltage in order to control discharging current current value by these microprocessor 20 outputs one; Meanwhile, monitor the temperature of this rechargeable battery 80 in real time by temperature sensing unit 60, the temperature value of temperature sensing unit 60 detecting gained is sent to power management module 30, compare with discharging and recharging relevant information storage module 34 interior stored information by temperature comparison program 33, whether continue discharge or stop discharge with temperature and the electric weight of judging present rechargeable battery.When finishing, discharge carries out step S3 again.
In step S3, power management module 30 drives charging control unit 50 by this microprocessor 20, with the action of charging, carries out step S4 then.
In step S4, in charging process, the temperature that temperature sensing unit 60 continues this rechargeable battery 80 is monitored in real time, the temperature value of these temperature sensing unit 60 detecting gained is sent to this power management module 30, again by this temperature comparison program 33 with discharge and recharge relevant information storage module 34 in stored information compare, whether continue charging or stop charging with temperature and the electric weight of judging present rechargeable battery, finish until charging process; If the temperature of rechargeable battery 80 is normal, then carry out step S5; Once the temperature overrun of rechargeable battery 80, overheated current limliting unit 62 can stop the charging action immediately.
In step S5, the electric weight of electric-quantity monitoring unit 70 detecting rechargeable batteries 80, and make comparisons with discharging and recharging data stored in the relevant information storage module 34 by electric weight comparison program 32, whether saturated with this electric weight of judging rechargeable battery 80, if complete charge then; Repeating step S3 then if not.
In step S6, primary control program 31 can drive and discharge and recharge relevant information storage module 34, and whether the inquiry user still will charge, and information is presented on this operation display unit 100, to provide the user with reference to selection, if then carry out step S7; Then finish if not.
In step S7, primary control program 31 can drive and discharge and recharge relevant information storage module 34, and whether the inquiry user discharges before charging in advance, and information is presented on this operation display unit 100, to provide the user,, then carry out step S3 if not if then carry out step S2 with reference to selection.
Compared with prior art, advantage of the present invention is:
1, the present invention uses conveniently, it can be used on the electronic installation for example mobile phone, PDA(Personal Digital Assistant), e-dictionary and mobile computer or the like, the protection when rechargeable battery being provided charging and discharge;
Can be the user when 2, using complete information and more humane user's interface are provided, allow remaining electric weight of grasp rechargeable battery that the user can be clear and definite and the relevant information when discharging and recharging, make things convenient for the user to select different charging modes, to help more reasonable and suitable rechargeable battery is discharged and recharged of user;
3, the present invention effectively reduces cost with software and combination of hardware;
4, can realize complicated secondary battery protective function, and can pass through the more upgrading of newer driver realization defencive function with the development of technology.
Description of drawings:
Fig. 1 is a square frame principle schematic diagram of the present invention;
Fig. 2 is charge and discharge control unit circuit figure;
Fig. 3 is the schematic diagram that is provided with as the thermistor of temperature sensor;
Fig. 4 is the connection diagram of overheated current limliting unit;
Fig. 5 is the schematic diagram of overheated current limliting unit;
Fig. 6 is the workflow diagram of overheated current limliting unit;
Fig. 7~10 are the user mode schematic diagram;
Figure 11 is the schematic flow sheet of using method of the present invention;
The principle schematic of Figure 12 for using;
Figure 13 is the control panel of charging device.
Description of reference numerals is as follows:
The 10-personal digital assistant, 20-microprocessing unit, 30-power management module, the 31-primary control program, 32-electric weight comparison program, 33-temperature comparison program, 34-discharges and recharges relevant information storage module 40-discharge control unit, the 41-current-limiting resistance that discharges, 42-triode, the 50-charging control unit, 60-temperature sensing unit, 61-thermistor, the overheated current limliting of 62-unit, 63-reference resistance, 70-electric-quantity monitoring unit, the 80-rechargeable battery, the 90-battery case, 100-operation display unit, 110-window interface, 120-externally fed power supply, the 130-light emitting diode, 131-light-emitting diode (LED), 140-controls the unit, the 141-button, the 150-charging device.
Embodiment:
In an embodiment; the present invention specifically is applied on the PDA(Personal Digital Assistant); but the present invention does not limit and is applied on the personal digital assistant; but it is applicable on any electronic installation; for example mobile computer, mobile phone etc.; in order to the function that provides a kind of protection to have the Memorability rechargeable battery to this electronic installation, to help the user can clearly grasp the electric weight of rechargeable battery and relevant information when discharging and recharging.Therefore present embodiment and should not be construed as limitation of the invention.
Referring to Fig. 1, provided the basic framework of this device among the figure.
The present invention is applied on the PDA(Personal Digital Assistant) 10, and it includes the operation display unit 100 of a microprocessing unit 20, a power management module 30, a circuit module, a rechargeable battery 80 and LCD.This personal digital assistant 10 also includes other various functional unit block, and only demonstration and relative section of the present invention, and these functional unit block herein is the existing outfit of personal digital assistant, therefore its purposes structure is not elaborated.
Said microprocessor 20, in build in this personal digital assistant 10, in order to drive and control power management module 30 and circuit module.
Said circuit module comprises discharge control unit 40, charging control unit 50, temperature sensing unit 60 and electric-quantity monitoring unit 70.
Said power management module 30 is stored in any memory that can be these microprocessor 20 direct accesses and executive program, for example be random-access memory (ram) or read-only memory (ROM), comprise the primary control program 31 corresponding in it with each Elementary Function in the circuit module, electric weight comparison program 32, temperature comparison program 33 and discharge and recharge relevant information storage module 34, in order to judge the electric weight that this rechargeable battery 80 is present and estimate spendable during and judge said discharge control unit 40, whether the electric weight of the rechargeable battery that charging control unit 50 and temperature sensing unit 60 are provided and temperature are suitable for charging, meanwhile the suitable suggestion that discharges and recharges is presented on the operation display unit 100 of the LCD that is provided, but this operation display unit 100 is the operation display unit of a touch-control, in order to information such as information that display power supply administration module 30 detected and suitably discharging and recharging of being advised, and can be by a kind of procedure operation interface, a window interface 110 for example, the user must directly control device of the present invention by this operation display unit 100, or utilize this personal digital assistant 10 built-in keyboard directly control, help the user with reference to judging and can reminding, suitable the discharging and recharging of suggestion user.Said primary control program 31 is in order to drive electric weight comparison program 32, temperature comparison program 33 and to discharge and recharge relevant information storage module 34.Specify: (1) electric weight comparison program 32, in order to electric-quantity monitoring unit 70 measured electric weight and standard values are made comparisons, and with its judgment result displays on this operation display unit 100, allow the user control the action that discharges and recharges by this window interface 110; (2) the temperature comparison program 33, in order to these temperature sensing unit 60 measured temperature value and standard values are made comparisons, and judge whether to be fit to continue to discharge and recharge; (3) discharge and recharge relevant information storage module 34, discharge and recharge related data information in order to storage.
Referring to Fig. 2~3, in said circuit module, be provided with rechargeable battery 80 in its charging control unit 50, the negative pole end ground connection of this rechargeable battery 80;
Be in series with discharge current-limiting resistance 41 and discharge control triode 42 in the said discharge control unit 40, one end ground connection of discharge current-limiting resistance 41, the other end is connected to the output of discharge control triode 42, and the base stage and the emitter of discharge control triode 42 are connected to microprocessing unit 20; The emitter of the anodal termination discharge control triode 42 of described rechargeable battery 80.Discharge control unit 40 in order to rechargeable battery 80 before charging unspent electric weight discharge fully and the current value of may command discharge circuit in safe range and protect this rechargeable battery can not be discharged to low magnitude of voltage.
Be provided with temperature sensor in the said temperature sensing unit 60, this temperature sensor is a thermistor 61, and the two ends of this thermistor 61 are connected in microprocessing unit 20, is arranged in the battery case 90, the below of rechargeable battery 80.Said temperature sensing unit 60 is sent to microprocessing unit 20 in order to the temperature value of rechargeable battery 80 that thermistor 61 is detected, again by the speed and the situation of microprocessing unit 20 control charging control unit 50 chargings.
Said electric-quantity monitoring unit 70 is directly connected in the two ends of rechargeable battery 80.
Said charging control unit 50 is in order to control the speed and the situation of these rechargeable battery 80 chargings.
Said electric-quantity monitoring unit 70 is in order to detecting rechargeable battery 80 present remaining electric weight.
Referring to Fig. 4~Fig. 5, the temperature sensor that is provided with in the said temperature sensing unit 6 is a thermistor 61.One end ground connection of said thermistor 61, the other end links to each other with overheated current limliting unit 62, this overheated current limliting unit 62 comprises reference resistance 63, said reference resistance 63 1 ends are series at thermistor 61, the other end connects rechargeable battery 80, is connected with microprocessing unit 20 between reference resistance 63 and the thermistor 61.Analog-to-digital conversion device (ADC) in the microprocessing unit 20 is converted to digital signal with rechargeable battery 80 temperature signals that thermistor 61 records, and finishes overheated current-limiting protection by power management modules 30 again.(please an end of thermistor among Fig. 4 being changed into ground connection)
Referring to Fig. 6, the process of work is, after the charging beginning, by the analog-to-digital conversion device (ADC) in the microprocessing unit 20 rechargeable battery 80 temperature signals that thermistor 61 records are converted to digital signal, whether this digital signal is compared with the temperature comparison program 33 interior stored information in the power management module 30, normal with the temperature of judging present rechargeable battery 80, has not reach the warning temperature, if do not reach the warning temperature, then proceed comparison; Once the temperature of this rechargeable battery 80 surpasses the warning temperature, then carry out overtemperature protection and handle, stop the charging action.
Referring to Fig. 7~10, when practical operation, the user can import an external power supply 120 before action that this rechargeable battery 80 is charged, this microprocessing unit 20 promptly drove this electric-quantity monitoring unit 70 and earlier the electric weight of this rechargeable battery 80 was detected this moment, and discharge and recharge in the relevant information storage module 34 stored discharge information by this electric weight comparison program 32 and this and compare, when the electric weight of this rechargeable battery 80 has reached the standard that is suitable for charging, this microprocessing unit 20 drives this discharge control unit 40 again, so that this rechargeable battery 80 is carried out discharging action.In discharge process; comprise a protective circuit that both connect and are constituted by this discharge current-limiting resistance 41 and this discharge control triode 42 in this discharge control unit 40; can be by this microprocessor 20 outputs one control voltage; because of the current-limiting resistance value is fixed; can control the discharging current current value by the added voltage of current-limiting resistance is just controlled, guarantee that discharging current can not surpass safety value.Also monitor the temperature of these rechargeable batteries 80 in addition in real time by thermistor 61, temperature value with these temperature sensing unit 60 detecting gained is sent to this power management module 30 again, discharge and recharge relevant information storage module 34 interior stored information by this temperature comparison program 33 and this again and compare, whether continue discharge or stop discharge with temperature and the electric weight of judging present rechargeable battery.When discharge is finished, this power management module 30, can drive this charging control unit 50 by this microprocessor 20, with the action of charging, in charging process, this temperature sensing unit 60 continues the temperature of this rechargeable battery 80 is monitored in real time, and the temperature value that this temperature sensing unit 60 is detected gained is sent to this power management module 30, discharging and recharging relevant information storage module 34 interior stored information by this temperature comparison program 33 and this again compares, whether continue charging or stop charging with temperature and the electric weight of judging present rechargeable battery, finish until charging process.Once the temperature overrun of this rechargeable battery 80, this overheated current limliting unit 62 can stop the charging action immediately.Above-mentioned charge and discharge process can pass through a window interface 110, and relevant information is presented at this operation display unit 100, controls the relevant information that this discharges and recharges at any time for the user.
Otherwise, if the electric weight of this electric-quantity monitoring unit 70 this rechargeable battery 80 that detects does not reach suitable charging standard as yet, then this power management module 30 can provide suitable suggestion, row charging again when for example continuing to use to suitable charging standard for the suggestion user, if the user still will directly charge, this power management module 30 meeting suggestion users discharge in advance recharge, and remind the user not discharge promptly to charge and can cause damage to this rechargeable battery 80.Above-mentioned charge and discharge process can pass through a window interface 110, and relevant information is presented on this operation display unit 100, controls the relevant information that this discharges and recharges at any time for the user.
See also Figure 11, what show among the figure is the using method of top described device:
At first when the user wants that this rechargeable battery 80 charging imported this external power supply 120, carry out step S1 immediately, this microprocessing unit 20 promptly drives this electric-quantity monitoring unit 70 and earlier the electric weight of this rechargeable battery 80 is detected.When the electric weight of this rechargeable battery 80 has reached when being suitable for charging standard, then carry out step S2; Then do not carry out step S6 when being suitable for charging standard if reach.
In step S2, this microprocessing unit 20 drives this discharge control unit 40, in order to this rechargeable battery 80 is carried out discharging action.In discharge process, this discharge control unit 40 can guarantee that discharging current can not surpass safety value by this microprocessor 20 outputs one control voltage in order to control discharging current current value.In addition also by this temperature sensing unit 60, monitor the temperature of this rechargeable battery 80 in real time, temperature value with these temperature sensing unit 60 detecting gained is sent to this power management module 30 again, discharge and recharge relevant information storage module 34 interior stored information by this temperature comparison program 33 and this and compare, whether continue discharge or stop discharge with temperature and the electric weight of judging present rechargeable battery.When finishing, discharge carries out step S3 again.
In step S3, this power management module 30 drives this charging control unit 50 by this microprocessor 20 again, with the action of charging, carries out step S4 then.
In step S4, in charging process, this temperature sensing unit 60 continues the temperature of this rechargeable battery 80 is monitored in real time, temperature value with these temperature sensing unit 60 detecting gained is sent to this power management module 30 again, discharging and recharging relevant information storage module 34 interior stored information by this temperature comparison program 33 and this again compares, whether continue charging or stop charging with temperature and the electric weight of judging present rechargeable battery, finish until charging process.If the temperature of this rechargeable battery 80 is normal, then carry out step S5; Once the temperature overrun of this rechargeable battery 80, this overheated current limliting unit 62 can stop the charging action immediately.
In step S5, the electric weight of this rechargeable battery 80 can be detected in this electric-quantity monitoring unit 70, and discharging and recharging relevant information storage module 34 interior stored data by this electric weight comparison program 32 and this makes comparisons, whether saturated with this electric weight of judging this rechargeable battery 80, if complete charge then; Repeating step S3 then if not.
In step S6, this primary control program 31 can drive this and discharge and recharge relevant information storage module 34, and whether the inquiry user still will charge, and this information is presented on this operation display unit 100, to provide the user with reference to selection, if then carry out step S7; Then finish if not.
In step S7, this primary control program 31 can drive this and discharge and recharge relevant information storage module 34, and whether the inquiry user discharges before charging in advance, and this information is presented on this operation display unit 100, to provide the user,, then carry out step S3 if not if then carry out step S2 with reference to selection.
Referring to Figure 12, embodiment 2, and this is the basic framework of another embodiment of the present invention, and protection of the present invention has in the device of Memorability rechargeable battery build in the charging device 150.Present embodiment and last embodiment different be in, this charging device 150 does not have the operation display unit of LCD, it comprises light-emitting diodes body unit 130 and controls unit 140, with light-emitting diodes body unit 130 information that relevant information storage module 34 judged of will charging, show with several different LEDs 131, in order to allow the user understand the electric weight of present this rechargeable battery 80 and the relevant information that discharges and recharges, built-in control unit 140 by this charging device 150 again, for example button allows the user control this charging device 150.
Referring to Figure 13, build the device in the charging device 150 in being in, its control panel is provided with light emitting diode 130 and controls unit 140, and light emitting diode 130 is several light-emitting diodes (LED) 131, controlling unit 140 is several buttons 141, realizes that respectively different functions shows.
The above only is preferred embodiment of the present invention, and is all according to equivalence variation or correction that the present invention did, all should belong to the protection range of patent of the present invention.

Claims (9)

1, a kind of protection has the device of Memorability rechargeable battery, comprise charging control unit (50), it is characterized in that: also comprise microprocessing unit (20), power management module (30), discharge control unit (40), temperature sensing unit (60), electric-quantity monitoring unit (70) and operation display unit (100), described charging control unit (50), discharge control unit (40), temperature sensing unit (60) and electric-quantity monitoring unit (70) forming circuit module, described microprocessing unit (20) respectively with circuit module, power management module (30) is connected with operation display unit (100); Store primary control program (31) in the described power management module (30), this primary control program (31) control has electric weight comparison program (32), temperature comparison program (33) and discharges and recharges relevant information stored routine (34).
2, a kind of protection as claimed in claim 1 has the device of Memorability rechargeable battery, it is characterized in that: in the described circuit module, be provided with rechargeable battery (80) in its charging control unit (50), the negative pole end ground connection of this rechargeable battery (80), be in series with discharge current-limiting resistance (41) and discharge control triode (42) in the described discharge control unit (40), one end ground connection of discharge current-limiting resistance (41), the other end is connected to the output of discharge control triode (42), and the base stage and the emitter of discharge control triode (42) are connected to microprocessing unit (20); The emitter of the anodal termination discharge control triode (42) of described rechargeable battery (80).
3, a kind of protection as claimed in claim 2 has the device of Memorability rechargeable battery, it is characterized in that: described temperature sensing unit is provided with temperature sensor in (60), and the two ends of this temperature sensor are connected with microprocessing unit (20).
4, a kind of protection as claimed in claim 2 has the device of Memorability rechargeable battery; it is characterized in that: described temperature sensing unit is provided with temperature sensor in (60); one end ground connection of this temperature sensor; the other end links to each other with overheated current limliting unit (62); this overheated current limliting unit (62) comprises reference resistance (63); said reference resistance (63) one ends are series at temperature sensor; the other end connects rechargeable battery (80), and the contact of reference resistance (63) and temperature sensor is connected with microprocessing unit (20).
5, the device that has the Memorability rechargeable battery as claim 3 or 4 described a kind of protections; it is characterized in that: described temperature sensor is thermistor (61), this thermistor (61) near the rechargeable battery (80) in the battery case (90), be arranged at its below.
6, a kind of protection as claimed in claim 5 has the device of Memorability rechargeable battery, it is characterized in that: described electric-quantity monitoring unit (70) is directly connected in the two ends of rechargeable battery (80).
7, a kind of protection as claimed in claim 6 has the device of Memorability rechargeable battery, it is characterized in that: described operation display unit (100) is the operation display unit of LCD.
8, a kind of protection as claimed in claim 6 has the device of Memorability rechargeable battery, it is characterized in that: described operation display unit (100) is light-emitting diodes body unit (130) and controls unit (140).
9, the using method of a kind of above-mentioned protection with device of Memorability rechargeable battery is:
When at first importing this external power supply 120, carry out step S1 immediately, microprocessing unit 20 drives this electric-quantity monitoring unit 70 and earlier the electric weight of this rechargeable battery 80 is detected, and when the electric weight of rechargeable battery 80 reaches when being suitable for charging standard, then carries out step S2; Then do not carry out step S6 when being suitable for charging standard if reach;
In step S2, microprocessing unit 20 drives this discharge control unit 40, in order to this rechargeable battery 80 is carried out discharging action; In discharge process, discharge control unit 40 is controlled voltage in order to control discharging current current value by these microprocessor 20 outputs one; Meanwhile, monitor the temperature of this rechargeable battery 80 in real time by temperature sensing unit 60, the temperature value of temperature sensing unit 60 detecting gained is sent to power management module 30, by temperature comparison program 33 with discharge and recharge relevant information storage module 34 in stored information compare, whether continue discharge or stop discharge with temperature and the electric weight of judging present rechargeable battery, when discharge is finished, carry out step S3 again;
In step S3, power management module 30 drives charging control unit 50 by this microprocessor 20, with the action of charging, carries out step S4 then;
In step S4, in charging process, the temperature that temperature sensing unit 60 continues this rechargeable battery 80 is monitored in real time, the temperature value of these temperature sensing unit 60 detecting gained is sent to this power management module 30, again by this temperature comparison program 33 with discharge and recharge relevant information storage module 34 in stored information compare, whether continue charging or stop charging with temperature and the electric weight of judging present rechargeable battery, finish until charging process; If the temperature of rechargeable battery 80 is normal, then carry out step S5; Once the temperature overrun of rechargeable battery 80, overheated current limliting unit 62 can stop the charging action immediately;
In step S5, the electric weight of electric-quantity monitoring unit 70 detecting rechargeable batteries 80, and by electric weight comparison program 32 with discharge and recharge data stored in the relevant information storage module 34 and make comparisons, whether saturated with this electric weight of judging rechargeable battery 80, if complete charge then, repeating step S3 then if not;
In step S6, primary control program 31 can drive and discharge and recharge relevant information storage module 34, and whether the inquiry user still will charge, and information is presented on this operation display unit 100, to provide the user with reference to selection, if then carry out step S7, then finishes if not;
In step S7, primary control program 31 can drive and discharge and recharge relevant information storage module 34, and whether the inquiry user discharges before charging in advance, and information is presented on this operation display unit 100, to provide the user,, then carry out step S3 if not if then carry out step S2 with reference to selection.
CNB031144586A 2003-01-23 2003-01-23 Device for protecting rechargeable batteries with memory capability and its operation method Expired - Fee Related CN100429854C (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8058846B2 (en) 2007-09-27 2011-11-15 Samsung Sdi Co., Ltd. Protection circuit for a battery pack to control the operation of the battery pack based on temperature
CN106129497A (en) * 2016-08-25 2016-11-16 陈节庆 A kind of power battery intelligent monitor system
CN106300553A (en) * 2016-09-30 2017-01-04 成都普诺思博科技有限公司 A kind of mobile power management system of robot and method
TWI604681B (en) * 2016-10-11 2017-11-01 Qualitek Precision Industrial Co Ltd Battery grouping device with charge and discharge protection
CN107491158A (en) * 2017-07-19 2017-12-19 苏州三星电子电脑有限公司 Laptop electric power control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100193736B1 (en) * 1996-09-17 1999-06-15 윤종용 Battery pack with battery protection
CN2299414Y (en) * 1996-11-08 1998-12-02 黄虎钧 Intelligent electronic charger
CA2305887A1 (en) * 1999-04-21 2000-10-21 Arthur Descombes Protective circuit for battery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8058846B2 (en) 2007-09-27 2011-11-15 Samsung Sdi Co., Ltd. Protection circuit for a battery pack to control the operation of the battery pack based on temperature
CN101399441B (en) * 2007-09-27 2012-07-04 三星Sdi株式会社 Protection circuit for battery pack, battery pack including the protection circuit, and method of operating the battery pack
CN106129497A (en) * 2016-08-25 2016-11-16 陈节庆 A kind of power battery intelligent monitor system
CN106129497B (en) * 2016-08-25 2018-09-18 海汇新能源汽车有限公司 A kind of power battery intelligent monitor system
CN106300553A (en) * 2016-09-30 2017-01-04 成都普诺思博科技有限公司 A kind of mobile power management system of robot and method
TWI604681B (en) * 2016-10-11 2017-11-01 Qualitek Precision Industrial Co Ltd Battery grouping device with charge and discharge protection
CN107491158A (en) * 2017-07-19 2017-12-19 苏州三星电子电脑有限公司 Laptop electric power control device

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