CN110994709B - Battery charging capacity control method and controller - Google Patents
Battery charging capacity control method and controller Download PDFInfo
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- CN110994709B CN110994709B CN201911081002.7A CN201911081002A CN110994709B CN 110994709 B CN110994709 B CN 110994709B CN 201911081002 A CN201911081002 A CN 201911081002A CN 110994709 B CN110994709 B CN 110994709B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to a method and a controller for controlling the charging capacity of a battery, which are characterized in that: adjusting the charge control parameter and the two voltage threshold parameters by setting five time references, comparing the detected battery charge with a rated value by detecting the battery charge being charged, allowing charging current when the charge is within 0% -95% of the rated value, allowing no charging current when the charge is within 96% -98% of the rated value, and indicating full charge and no charging current when the charge is greater than 99% to 100% of the rated value; controlling the battery voltage through the two voltage threshold parameters, and controlling the increase of the battery electric quantity by combining the five time reference adjusting electric quantity control parameters with the two voltage threshold parameters; thereby controlling the charging current of the battery to be matched and synchronized with the electric quantity of the battery; the method has the outstanding substantive characteristics and remarkable progress of higher precision and accuracy than a direct battery voltage monitoring method, simpler procedure, higher efficiency, lower labor cost and the like than a battery modeling method.
Description
Technical Field
The invention relates to a battery charging electric quantity control method and a controller, which are suitable for solving the problem that the displayed battery electric quantity value in a battery charging device is not synchronous and matched with the actual charging current of the device. Belongs to the technical field of small household appliances.
Background
In the prior art, the conventional battery fuel gauge (fuel display) is roughly divided into three methods: direct cell voltage monitoring, cell modeling, and coulometer.
1) The direct battery voltage monitoring method is to calculate the electric quantity directly according to the voltage of the monitored battery. Although the cost is low, the battery capacity and the voltage have a nonlinear relationship, so that the problem of low precision and accuracy exists.
2) The battery modeling method is to establish a data table according to the charging curve of the battery, and find out the corresponding electric quantity in the voltage table every time a voltage value is measured. Although the measurement precision is higher than that of direct voltage monitoring, a large amount of experimental data needs to be collected for modeling, the program for searching and reading information according to the data table is complex, and the problems of long data collection time, complex information searching and reading process, low efficiency and the like exist.
Therefore, the battery power detection in the prior art has the problems of low precision and accuracy or long data acquisition time, complex table look-up and information reading process, low efficiency and the like.
Disclosure of Invention
One of the purposes of the present invention is to provide a method for controlling battery charging capacity, which aims to solve the problems of low precision and accuracy in the existing battery capacity detection, long data acquisition time, complex table lookup and information reading process, low efficiency, etc. The method has the prominent substantive characteristics and remarkable progress of simple procedure, high precision and accuracy, high efficiency, low labor cost and the like.
The second objective of the present invention is to provide a battery charging controller. Has the prominent substantive characteristics and remarkable progress of simple and reasonable structure, low manufacturing cost and the like.
One of the purposes of the invention can be achieved by adopting the following technical scheme:
a method for controlling the charging capacity of a battery is characterized in that:
1) Setting five time reference adjusting electric quantity control parameters which are Tp1, tp2, tp3, tp4 and Tp5 respectively, wherein Tp1> Tp2> Tp3> Tp4> Tp5; setting two voltage threshold parameters ADnum1 and ADnum2, wherein ADnum1> ADnum2;
2) Detecting whether a charging current is input into a battery charging port to judge whether to start charging the battery; if the charger is not charged, the charger is connected for charging; if charging is in progress, i.e.
3) The method comprises the steps of charging a battery, detecting the battery capacity, comparing the detected battery capacity with a rated value, allowing a charging current when the capacity is within a range of 0% -95% of the rated value, allowing no charging current when the capacity is within a range of 96% -98% of the rated value, and displaying full charge and no charging current when the capacity is more than 99% to 100% of the rated value; controlling the battery voltage by the two voltage threshold parameters ADnum1 and ADnum2, adjusting the power control parameters Tp1, tp2, tp3, tp4, tp5 by the five time references to control the increase of the battery power in combination with the two voltage threshold parameters ADnum1 and ADnum2; thereby controlling the charging current of the battery to be matched and synchronized with the electric quantity of the battery;
4) And transmitting the electric quantity numerical value information to a display part, and displaying the electric quantity through the display part.
One of the purposes of the invention can also be achieved by adopting the following technical scheme:
furthermore, when the electric quantity is within the range of 0% -95% of the rated value, the charging current is allowed, that is, when the current electric quantity is greater than or equal to 0% and less than or equal to 95%, the hardware full-charge signal is entered to detect whether the hardware is full, and if the hardware full-charge signal is full, the electric quantity is increased by 1% after Tp4 time; if not, judging the current voltage; and controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not less than the current electric quantity is not more than Adnum 1.
Further, when the electric quantity is within the range of 96% -98% of the rated value, no charging current is allowed, namely when the electric quantity is greater than or equal to 96% and less than or equal to 98%, entering into hardware full-charge signal detection judgment, and if the hardware full-charge signal is full, namely the electric quantity is increased by 1% after Tp4 time; if not full, i.e. after Tp1 time the charge increases by 1%.
Further, the electric quantity is full and no charging current is available when the electric quantity is greater than or equal to 99% to 100% of the rated value, that is, when the current electric quantity is greater than or equal to 99% and less than or equal to 100%, entering a hardware full signal detection judgment, and if the hardware full signal is full, namely, the electric quantity is increased by 1% after Tp5 time; if not, then entering the hardware full signal to detect and judge whether full; and the process is an off cycle, until the hardware full-charge signal is detected to be full charge, the display is full charge and bright by 100%, and the electricity quantity accumulation is finished.
Further, the battery voltage is controlled by the two voltage threshold parameters ADnum1 and ADnum2, and the battery power increase is controlled by the five time-reference adjusting power control parameters Tp1, tp2, tp3, tp4, tp5 in combination with the two voltage threshold parameters ADnum1 and ADnum2, which means that:
when the current electric quantity is more than or equal to 0% and less than or equal to 95%, detecting whether the hardware full-charge signal is full or not, and if the hardware full-charge signal is full, increasing the electric quantity by 1% after Tp4; if not, judging the current voltage; controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not more than Adnum1 and the current electric quantity is not more than Adnum2;
1) When the current battery voltage is larger than or equal to Adnum1, detecting and judging whether the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, and if the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, increasing the electric quantity by 1% after Tp4 time; if the current electric quantity is not more than 0% and less than or equal to 70%, detecting and judging whether the current electric quantity is not more than 70% and less than or equal to 90%, if the current electric quantity is not more than 70% and less than or equal to 90%, namely increasing the electric quantity by 1% after Tp3 time; if the current electric quantity is not less than 70% and less than 90%, the electric quantity is increased by 1% after Tp2 time;
2) When the current battery voltage is less than Adnum1, judging whether the current battery voltage is greater than or equal to Adnum2 or not, and when the current battery voltage is greater than or equal to Adnum1, detecting and judging whether the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity or not, and if the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity, namely, the electric quantity is increased by 1% after Tp4; if not less than 0% and less than 30% of the current electric quantity, detecting and judging whether the current electric quantity is 30% and less than 50% of the current electric quantity, if not less than 30% and less than 50% of the current electric quantity, namely increasing the electric quantity by 1% after Tp3 time; if the current electric quantity is not less than 30% and less than 50%, the electric quantity is increased by 1% after Tp2 time; when the current battery voltage < Adnum1, namely the electric quantity is increased by 1% after Tp2 time;
when the current electric quantity is more than or equal to 96% and less than or equal to 98%, entering into the detection and judgment of whether the hardware full-charge signal is full, if the hardware full-charge signal is full, namely the electric quantity is increased by 1% after Tp4; if not full, i.e. after Tp1 time the charge increases by 1%;
when the current electric quantity is more than or equal to 99% and less than or equal to 100%, detecting whether the hardware full-charge signal is full, and if the hardware full-charge signal is full, increasing the electric quantity by 1% after Tp5; if not, then entering the hardware full signal to check whether it is full; and the process is an off cycle, and the process shows that the display is full and is bright for 100 percent until the hardware full signal is detected to be full, and the electricity accumulation is finished.
The second purpose of the invention can be achieved by adopting the following technical scheme:
a battery charge electric quantity controller is structurally characterized in that: the system comprises a charging detection unit, a battery voltage detection unit, a battery charging management full charge signal detection unit, an electric quantity numerical control unit and an electric quantity information output unit, wherein a signal output end of the charging detection unit, a signal output end of the battery voltage detection unit and a signal output end of the battery charging management full charge signal detection unit are respectively connected with a signal input end of the electric quantity numerical control unit, and a signal output end of the electric quantity numerical control unit is connected with a signal input end of the electric quantity information output unit; the charging detection unit is provided with a battery charging detection structure and is used for detecting whether the battery is being charged; the battery voltage detection unit has a structure for detecting the voltage of the battery and is used for detecting and judging whether the voltage of the battery reaches a voltage set value and is smaller than or larger than the voltage set value; the battery charging management full charge signal detection unit has a structure for detecting whether the battery is full of electric quantity and is used for detecting and judging whether the battery is full of electric quantity; the electric quantity numerical control unit is provided with a structure for detecting and controlling the increase of the electric quantity of the battery and is used for detecting and controlling the increase of the electric quantity of the battery; the electric quantity information output unit is provided with a signal output and display structure and is used for controlling the information output and display of the electric quantity state of the battery.
The second purpose of the invention can be achieved by adopting the following technical scheme:
furthermore, the electric quantity numerical control unit is composed of a single chip; the control function of the electric quantity numerical control unit is realized through a built-in control program.
Further, the quantity value control unit (104) has a structure that the battery charging current is matched and synchronized with the battery quantity, so as to control: the charging current is charged in the range of 0% -95% of the electric quantity, no charging current is allowed in the range of 96% -98% of the electric quantity, and no charging current is allowed in the range of 99% -100% of the electric quantity.
Furthermore, the charging detection unit detects whether the battery is inserted into the charger, and the charging electric quantity and the charging current are synchronously processed when the charger is inserted; the battery voltage detection unit is used for detecting the voltage of the battery and giving two parameters for synchronous processing according to the full-charged voltage value of the battery; the battery charging management full-charge signal detection unit is used for detecting whether a full-charge signal given by an external charging management unit is full of the battery or not, and the electric quantity is displayed by 100% only when the battery is full of the battery; the battery electric quantity numerical control unit determines five time reference regulating electric quantity control parameters according to the numerical relation between the current battery voltage and the current electric quantity; adjusting electric quantity control parameters to control the synchronization of the charging electric quantity and the charging current by five time references; the battery electric quantity information output unit outputs electric quantity value information to an external display part, and the display part displays the electric quantity value.
The invention has the following prominent substantive features and remarkable technical progress:
1. the invention relates to a battery charging electric quantity control method, which comprises the steps of adjusting an electric quantity control parameter and two voltage threshold parameters by setting five time references, comparing the detected electric quantity of a battery with a rated value by detecting the electric quantity of the battery being charged, allowing charging current when the electric quantity is within the range of 0-95% of the rated value, allowing no charging current when the electric quantity is within the range of 96-98% of the rated value, and displaying full charge and no charging current when the electric quantity is more than 99% to 100% of the rated value; controlling the battery voltage through the two voltage threshold parameters, and controlling the increase of the battery electric quantity by combining the five time reference adjusting electric quantity control parameters with the two voltage threshold parameters; thereby controlling the charging current of the battery to be matched and synchronized with the electric quantity of the battery; therefore, the method can solve the problems of low precision and accuracy rate or long data acquisition time, complex table look-up and information reading process, low efficiency and the like of the conventional battery power detection, and has the outstanding substantive characteristics and remarkable progresses of high precision and accuracy rate compared with a direct battery voltage monitoring method, simple program, high efficiency, low labor cost and the like compared with a battery modeling method.
2. The invention relates to a battery charging electric quantity controller, which consists of a charging detection unit, a battery voltage detection unit, a battery charging management full charge signal detection unit, an electric quantity numerical control unit and an electric quantity information output unit, wherein a signal output end of the charging detection unit, a signal output end of the battery voltage detection unit and a signal output end of the battery charging management full charge signal detection unit are respectively connected with a signal input end of the electric quantity numerical control unit; the method can solve the problem that the direct battery voltage method in the prior art determines that the battery power and the charging current are not synchronous, and has the prominent substantive characteristics and remarkable progresses of simple structure, high accuracy and precision, high efficiency, low cost and the like.
Drawings
Fig. 1 is a block diagram illustrating a structure of a battery charge level controller according to the present invention.
Fig. 2 is a block diagram of the structure of the battery voltage detection unit of the present invention.
Fig. 3 is a block diagram of the battery power value control unit according to the present invention.
Fig. 4 is a schematic diagram of the synchronization control flow of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Detailed description of the preferred embodiment 1
Referring to fig. 1 to fig. 3, the battery charging capacity controller according to the present embodiment is composed of a charging detection unit 101, a battery voltage detection unit 102, a battery charging management full charge signal detection unit 103, a capacity value control unit 104, and a capacity information output unit 105, wherein a signal output end of the charging detection unit 101, a signal output end of the battery voltage detection unit 102, and a signal output end of the battery charging management full charge signal detection unit 103 are respectively connected to a signal input end of the capacity value control unit 104, and a signal output end of the capacity value control unit 104 is connected to a signal input end of the capacity information output unit 105; the charge detection unit 101 has a structure for detecting the charging of the battery, for detecting whether the battery is being charged; the battery voltage detection unit 102 has a structure for detecting the voltage of the battery, and is used for detecting and judging whether the voltage of the battery reaches a voltage set value, is smaller than or larger than the voltage set value; the battery charging management full charge signal detection unit 103 has a structure for detecting whether the battery is full of electric power, and is used for detecting and judging whether the battery is full of electric power; the electric quantity value control unit 104 has a structure for detecting and controlling the increase of the electric quantity of the battery, and is used for detecting and controlling the increase of the electric quantity of the battery; the electric quantity information output unit (105) is provided with a signal output and display structure and is used for controlling the information output and display of the electric quantity state of the battery.
In this embodiment:
the electric quantity value control unit 104 is composed of a single chip of a conventional technology; the control function of the electric quantity value control unit 104 is realized by a built-in control program. The charging detection unit 101 is formed by a conventional charging detection circuit and has a charging detection function structure; the battery voltage detection unit 102 is composed of a conventional voltage detection circuit, and has a conventional voltage detection functional structure; the battery charging management full charge signal detection unit 103 is composed of a conventional electric quantity detection circuit and has a conventional battery electric quantity full charge detection function structure; the electric quantity information output unit 105 is constituted by a conventional output circuit, and has a signal output and display structure.
The electric quantity value control unit 104 has a structure that the battery charging current and the battery electric quantity are matched and synchronized, so as to control: the charging current is charged in the range of 0% -95% of the electric quantity, no charging current is allowed in the range of 96% -98% of the electric quantity, and no charging current is allowed in the range of 99% -100% of the electric quantity.
The charging detection unit 101 detects whether a battery is inserted into the charger, and when the charger is inserted, the charging electric quantity and the charging current are synchronously processed; the battery voltage detection unit 102 is used for detecting the battery voltage and giving two parameters for synchronous processing according to the full-charged voltage value of the battery; the battery charging management full charge signal detection unit 103 is used for detecting whether a full charge signal given by an external charging management unit is full, and the electric quantity is displayed by 100% only when the external charging management unit is full; the battery power value control unit 104 determines five time reference adjustment power control parameters according to the numerical relationship between the current battery voltage and the current power; adjusting electric quantity control parameters to control the synchronization of the charging electric quantity and the charging current by five time references; the battery power information output unit 105 outputs power value information to an external display unit, and the display unit displays the power value.
Referring to fig. 4, the method for controlling the amount of charge of the battery according to the present embodiment is characterized in that:
1) Setting five time reference adjusting electric quantity control parameters which are Tp1, tp2, tp3, tp4 and Tp5 respectively, wherein Tp1> Tp2> Tp3> Tp4> Tp5; setting two voltage threshold parameters ADnum1 and ADnum2, wherein ADnum1> ADnum2;
2) Detecting whether a charging current is input into a battery charging port so as to judge whether to start charging the battery; if the charger is not charged, the charger is connected for charging; if charging is in progress, i.e.
3) The method comprises the steps of charging a battery, detecting the battery capacity, comparing the detected battery capacity with a rated value, allowing a charging current when the capacity is within a range of 0% -95% of the rated value, allowing no charging current when the capacity is within a range of 96% -98% of the rated value, and displaying full charge and no charging current when the capacity is more than 99% to 100% of the rated value; controlling the battery voltage through the two voltage threshold parameters ADnum1 and ADnum2, and adjusting the electric quantity control parameters Tp1, tp2, tp3, tp4 and Tp5 through the five time references to control the increase of the battery electric quantity by combining the two voltage threshold parameters ADnum1 and ADnum2; thereby controlling the charging current of the battery to be matched and synchronous with the electric quantity of the battery;
4) And transmitting the electric quantity numerical value information to the display component, and displaying the electric quantity through the display component.
Furthermore, when the electric quantity is within the range of 0% -95% of the rated value, the charging current is allowed, that is, when the current electric quantity is greater than or equal to 0% and less than or equal to 95%, the hardware full-charge signal is entered to detect whether the hardware is full, and if the hardware full-charge signal is full, the electric quantity is increased by 1% after Tp4 time; if not, judging the current voltage; and controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not less than Adnum1 and the current electric quantity is not less than Adnum 2.
Further, when the electric quantity is within the range of 96% -98% of the rated value, no charging current is allowed, namely when the electric quantity is greater than or equal to 96% and less than or equal to 98%, entering into hardware full-charge signal detection judgment, and if the hardware full-charge signal is full, namely the electric quantity is increased by 1% after Tp4 time; if not full, i.e. after Tp1 time the charge increases by 1%.
Further, the electric quantity is full and no charging current is available when the electric quantity is greater than or equal to 99% to 100% of the rated value, which means that when the current electric quantity is greater than or equal to 99% and less than or equal to 100%, whether the hardware full-charge signal is full-charge detection judgment is entered, and if the hardware full-charge signal is full-charge, the electric quantity is increased by 1% after Tp5 time; if not, then entering the hardware full signal to detect and judge whether full; and the process is an off cycle, and the process shows that the display is full and is bright for 100 percent until the hardware full signal is detected to be full, and the electricity accumulation is finished.
Further, the battery voltage is controlled by the two voltage threshold parameters ADnum1 and ADnum2, and the battery power increase is controlled by the five time-reference adjusting power control parameters Tp1, tp2, tp3, tp4, tp5 in combination with the two voltage threshold parameters ADnum1 and ADnum2, which means that:
when the current electric quantity is more than or equal to 0% and less than or equal to 95%, entering hardware full-charge signal detection judgment, and if the hardware full-charge signal is full, namely the electric quantity is increased by 1% after Tp4 time; if not, judging the current voltage; controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not more than Adnum1 and the current electric quantity is not more than Adnum2;
1) When the current battery voltage is larger than or equal to Adnum1, detecting and judging whether the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, and if the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, increasing the electric quantity by 1% after Tp4 time; if the current electric quantity is not more than 0% and less than or equal to 70%, detecting and judging whether the current electric quantity is more than or equal to 70% and less than or equal to 90%, if the current electric quantity is more than or equal to 70% and less than or equal to 90%, namely increasing the electric quantity by 1% after Tp 3; if the current electric quantity is not more than 70% and less than 90%, the electric quantity is increased by 1% after Tp2 time;
2) When the current battery voltage is less than Adnum1, judging whether the current battery voltage is greater than or equal to Adnum2 or not, and when the current battery voltage is greater than or equal to Adnum1, detecting and judging whether the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity or not, and if the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity, namely, the electric quantity is increased by 1% after Tp4; if the current electric quantity is not less than 0% and less than 30%, detecting and judging whether the current electric quantity is less than 30% and less than 50%, if the current electric quantity is less than 30% and less than 50%, namely increasing the electric quantity by 1% after Tp3 time; if the current electric quantity is not more than 30% and less than 50%, the electric quantity is increased by 1% after Tp2 time; when the current battery voltage is less than Adnum1, namely the electric quantity is increased by 1% after Tp2 time;
when the current electric quantity is more than or equal to 96% and less than or equal to 98%, entering into the detection and judgment of whether the hardware full-charge signal is full, if the hardware full-charge signal is full, namely the electric quantity is increased by 1% after Tp4; if not full, i.e. after Tp1 time the charge increases by 1%;
when the current electric quantity is more than or equal to 99% and less than or equal to 100%, entering into whether the hardware full-charge signal is full-charge detection judgment, and if the hardware full-charge signal is full-charge, namely the electric quantity is increased by 1% after Tp5 time; if not, then entering the hardware full signal to check whether it is full; and the process is an off cycle, and the process shows that the display is full and is bright for 100 percent until the hardware full signal is detected to be full, and the electricity accumulation is finished.
In this embodiment:
the five time references adjust the power control parameters Tp1, tp2, tp3, tp4, tp5, tp1 may be 5, 6, 7, 8, 9, or 10 minutes, tp2 may be 10, 11, 12, 13, 14, or 15 minutes, tp3 may be 15, 16, 17, 18, 19, or 20 minutes, tp4 may be 20, 21, 22, 23, 24, or 25 minutes, and Tp5 may be 25, 26, 27, 28, 29, or 30 minutes. The voltage threshold ADnum1 and ADnum2 parameters are voltage thresholds determined by the battery voltage detection unit 102 according to the magnitude of the voltage value when the battery is fully charged, and ADnum2 may be: 3V, 5V, 10V, 20V, 30V, 50V, 100V or 220V; ADnum1 can be: 5V, 10V, 20V, 30V, 50V, 100V or 220V.
When the current electric quantity is more than or equal to 0% and less than or equal to 95%, entering hardware full-charge signal to detect whether the hardware is full, and if the hardware is full of Tp4 time, increasing the electric quantity by 1%. And if the current voltage is not full, judging the current voltage. When the current battery voltage is higher than Adnum1, adjusting the electric quantity control parameter to Tp2, tp3 or Tp4 according to the current electric quantity range; when the current battery voltage is higher than Adnum2, the electric quantity control parameter is adjusted to be Tp2, tp3 or Tp4 according to the current electric quantity range.
When the current electric quantity is more than or equal to 96% and less than or equal to 98%, entering a hardware full-charge signal to judge whether the hardware is full, if the hardware is full of Tp4 time, the electric quantity is increased by 1%, otherwise, the electric quantity is increased by 1% after the Tp1 time.
When the current electric quantity is more than or equal to 99% and less than or equal to 100%, entering whether a hardware full-charge signal is full, if the hardware full-charge signal is full of Tp5 time, increasing the electric quantity by 1%, otherwise, waiting for the full-charge signal at 99%.
In the embodiment of the invention, tp1> Tp2> Tp3> Tp4> Tp5; ADnum1> ADnum2, the above parameters can be adjusted according to the maximum charging current and the full-charged battery voltage.
The invention uses a voltage + time method to approximately synchronize the display electric quantity and the charging current, the charging current is available when the charging electric quantity is 0-95%, no charging current is allowed when the charging electric quantity is 095-99%, and the 99% waiting time is not more than 5 minutes.
Claims (9)
1. A method for controlling the charging capacity of a battery is characterized in that:
1) Setting five time reference adjusting electric quantity control parameters which are Tp1, tp2, tp3, tp4 and Tp5 respectively, wherein Tp1> Tp2> Tp3> Tp4> Tp5; setting two voltage threshold parameters ADnum1 and ADnum2, wherein ADnum1> ADnum2;
2) Detecting whether a charging current is input into a battery charging port to judge whether to start charging the battery; if the charger is not charged, the charger is connected for charging; if charging is in progress, i.e.
3) The method comprises the steps of charging a battery, detecting the battery capacity, comparing the detected battery capacity with a rated value, allowing a charging current when the capacity is within a range of 0% -95% of the rated value, allowing no charging current when the capacity is within a range of 96% -98% of the rated value, and displaying full charge and no charging current when the capacity is more than 99% to 100% of the rated value; controlling the battery voltage by the two voltage threshold parameters ADnum1 and ADnum2, adjusting the power control parameters Tp1, tp2, tp3, tp4, tp5 by the five time references to control the increase of the battery power in combination with the two voltage threshold parameters ADnum1 and ADnum2; thereby controlling the charging current of the battery to be matched and synchronized with the electric quantity of the battery;
4) And transmitting the electric quantity numerical value information to the display component, and displaying the electric quantity through the display component.
2. The method of claim 1, wherein: when the electric quantity is within the range of 0% -95% of the rated value, the charging current is allowed, namely when the current electric quantity is more than or equal to 0% and less than or equal to 95%, whether the hardware full-charge signal is full-charge is detected and judged, and if the hardware full-charge signal is full-charge, the electric quantity is increased by 1% after Tp4 time; if not, judging the current voltage; and controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not less than Adnum1 and the current electric quantity is not less than Adnum 2.
3. The method of claim 1, wherein: when the electric quantity is within the range of 96% -98% of the rated value, no charging current is allowed, namely when the current electric quantity is more than or equal to 96% and less than or equal to 98%, whether the hardware full-charge signal is full-charge is detected and judged, and if the hardware full-charge signal is full-charge, the electric quantity is increased by 1% after Tp4 time; if not full, i.e. after Tp1 time the charge increases by 1%.
4. The method as claimed in claim 1, wherein the step of controlling the charging capacity of the battery comprises the steps of: when the electric quantity is greater than or equal to 99% to 100% of a rated value, the electric quantity is full and no charging current exists, namely when the current electric quantity is greater than or equal to 99% and less than or equal to 100%, whether a hardware full-charge signal is full-charge is judged, and if the hardware full-charge signal is full-charge, the electric quantity is increased by 1% after Tp5; if not, then entering the hardware full signal to detect and judge whether full; and the process is an off cycle, and the process shows that the display is full and is bright for 100 percent until the hardware full signal is detected to be full, and the electricity accumulation is finished.
5. The method of claim 1, wherein: the battery voltage is controlled by the two voltage threshold parameters ADnum1 and ADnum2, and the battery power increase is controlled by the five time reference adjusting power control parameters Tp1, tp2, tp3, tp4 and Tp5 combined with the two voltage threshold parameters ADnum1 and ADnum2, which means that:
when the current electric quantity is more than or equal to 0% and less than or equal to 95%, detecting whether the hardware full-charge signal is full or not, and if the hardware full-charge signal is full, increasing the electric quantity by 1% after Tp4; if not, judging the current voltage; controlling the increase of the battery electric quantity by judging whether the current voltage is within the range that Adnum2 is not more than Adnum1 and the current electric quantity is not more than Adnum2;
1) When the current battery voltage is larger than or equal to Adnum1, detecting and judging whether the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, and if the current electric quantity is larger than or equal to 0% and smaller than or equal to 70%, increasing the electric quantity by 1% after Tp4 time; if the current electric quantity is not more than 0% and less than or equal to 70%, detecting and judging whether the current electric quantity is more than or equal to 70% and less than or equal to 90%, if the current electric quantity is more than or equal to 70% and less than or equal to 90%, namely increasing the electric quantity by 1% after Tp 3; if the current electric quantity is not more than 70% and less than 90%, the electric quantity is increased by 1% after Tp2 time;
2) When the current battery voltage is less than Adnum1, judging whether the current battery voltage is greater than or equal to Adnum2 or not, and when the current battery voltage is greater than or equal to Adnum1, detecting and judging whether the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity or not, and if the current electric quantity is greater than or equal to 0% and less than or equal to 30% of the current electric quantity, namely, the electric quantity is increased by 1% after Tp4; if the current electric quantity is not less than 0% and less than 30%, detecting and judging whether the current electric quantity is less than 30% and less than 50%, if the current electric quantity is less than 30% and less than 50%, namely increasing the electric quantity by 1% after Tp3 time; if the current electric quantity is not less than 30% and less than 50%, the electric quantity is increased by 1% after Tp2 time; when the current battery voltage < Adnum1, namely the electric quantity is increased by 1% after Tp2 time;
when the current electric quantity is more than or equal to 96% and less than or equal to 98%, entering into whether the hardware full-charge signal is full-charge detection judgment, and if the hardware full-charge signal is full-charge, namely the electric quantity is increased by 1% after Tp4 time; if not full, i.e. after Tp1 time the charge increases by 1%;
when the current electric quantity is more than or equal to 99% and less than or equal to 100%, entering into whether the hardware full-charge signal is full-charge detection judgment, and if the hardware full-charge signal is full-charge, namely the electric quantity is increased by 1% after Tp5 time; if not, then entering the hardware full signal to check whether it is full; and the process is an off cycle, until the hardware full-charge signal is detected to be full charge, the display is full charge and bright by 100%, and the electricity quantity accumulation is finished.
6. A battery charge level controller, characterized in that: the system is composed of a charging detection unit (101), a battery voltage detection unit (102), a battery charging management full-charge signal detection unit (103), an electric quantity numerical control unit (104) and an electric quantity information output unit (105), wherein a signal output end of the charging detection unit (101), a signal output end of the battery voltage detection unit (102) and a signal output end of the battery charging management full-charge signal detection unit (103) are respectively connected with a signal input end of the electric quantity numerical control unit (104), and a signal output end of the electric quantity numerical control unit (104) is connected with a signal input end of the electric quantity information output unit (105); the charging detection unit (101) has a structure for detecting the charging of the battery and is used for detecting whether the battery is being charged; the battery voltage detection unit (102) is provided with a structure for detecting the voltage of the battery and is used for detecting and judging whether the voltage of the battery reaches a voltage set value and is smaller than or larger than the voltage set value; the battery charging management full charge signal detection unit (103) has a structure for detecting whether the battery is full of electric quantity, and is used for detecting and judging whether the battery is full of electric quantity; the electric quantity numerical control unit (104) is provided with a structure for detecting and controlling the increase of the electric quantity of the battery and is used for detecting and controlling the increase of the electric quantity of the battery; the electric quantity information output unit (105) is provided with a signal output and display structure and is used for controlling the information output and display of the electric quantity state of the battery.
7. The battery charging level controller of claim 6, wherein: the electric quantity numerical control unit (104) is composed of a single chip; the control function of the electric quantity numerical control unit (104) is realized by a built-in control program.
8. The battery charging capacity controller according to claim 6 or 7, wherein: the electric quantity value control unit (104) has a structure that the battery charging current is matched and synchronized with the battery electric quantity so as to control: the charging current is charged when the electric quantity is within the range of 0% -95%, no charging current is allowed when the electric quantity is within the range of 96% -98%, and no charging current is allowed when the electric quantity is within the range of 99% -100%.
9. The battery charging capacity controller according to claim 6 or 7, wherein: the charging detection unit (101) detects whether the battery is inserted into the charger, and the charging electric quantity and the charging current are synchronously processed when the charger is inserted; the battery voltage detection unit (102) is used for detecting the battery voltage and giving two parameters for synchronous processing according to the full-charged voltage value of the battery; the battery charging management full-charge signal detection unit (103) is used for detecting whether a full-charge signal given by an external charging management unit is full of the battery or not, and the electric quantity is displayed by 100% only when the battery is full of the battery; the battery electric quantity numerical control unit (104) determines five time reference adjusting electric quantity control parameters according to the numerical relation between the current battery voltage and the current electric quantity; adjusting electric quantity control parameters to control the synchronization of the charging electric quantity and the charging current by five time references; the battery electric quantity information output unit (105) outputs the electric quantity value information to an external display part, and the display part displays the electric quantity value.
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