CN111682620B - Charging adjustment control system of electronic equipment - Google Patents
Charging adjustment control system of electronic equipment Download PDFInfo
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- CN111682620B CN111682620B CN202010596087.9A CN202010596087A CN111682620B CN 111682620 B CN111682620 B CN 111682620B CN 202010596087 A CN202010596087 A CN 202010596087A CN 111682620 B CN111682620 B CN 111682620B
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
Abstract
The invention discloses a charging adjustment control system of electronic equipment, which comprises a control module, an input interface, a battery and a multi-mode adjustment charging module, the control module comprises a first control unit, a second control unit and a third control unit, outputs five control signals, the first control unit outputs a first control signal CLK, a second control signal CLK, the second control unit outputs a third control signal CLK, a fourth control signal CLK, the third control unit outputs a fifth control signal, the control module comprises a three-mode adjusting control mode for controlling the multi-mode adjusting charging module, the multi-mode adjustment charging module comprises two stages of charging units, namely a first stage charging unit and a second stage charging unit, the first-stage charging unit is connected to the front end of the second-stage charging unit, and the output end of the second-stage charging unit is connected to the battery.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a charging adjustment control system of electronic equipment.
Background
Among the prior art, electronic equipment has gone deep into millions of households, electronic equipment has been the indispensable articles for daily use in people's life, the very big facility that electronic equipment brought for people's life, people can use it to carry out the use of multiple life scene, like shopping, amusement etc., because electronic equipment's live time is longer, its power consumption is also very fast, because the bottleneck of battery technology, present electronic equipment needs often to charge, how protect the battery in the charging process repeatedly, accelerate the charge rate of battery when prolonging the life of battery, promote the charge efficiency of electronic equipment battery, this is the difficult problem that electronic equipment used for a long time and needs to solve.
Disclosure of Invention
The invention discloses a charging adjustment control system of electronic equipment, which comprises a control module, an input interface, a battery and a multi-mode adjustment charging module, wherein the control module comprises a first control unit, a second control unit and a third control unit, five control signals are output, and the first control unit outputs a first control signal clk and a second control signal clkclkThe second control unit outputs a third control signal CLK and a fourth control signalNumber (C)CLKThe third control unit outputs a fifth control signal, the control module comprises a three-mode adjustment control mode for controlling the multi-mode adjustment charging module, the multi-mode adjustment charging module comprises two stages of charging units which are respectively a first stage charging unit and a second stage charging unit, the first stage charging unit is connected to the front end of the second stage charging unit, and the output end of the second stage charging unit is connected with the battery.
The charging adjustment control system of the electronic device, the three-mode adjustment control mode includes a first mode, a second mode and a third mode, the first mode, the second mode and the third mode are sequentially performed, the third control unit outputs a fifth control signal to the second-stage charging unit to execute the third mode according to the output voltage and the temperature of the battery, and feeds back a first result of the completion of the execution of the third mode to the second control unit, the second control unit judges whether the second mode needs to be executed according to the first result, if so, the second control unit sends a control signal for executing the second mode, and the control signal for executing the second mode is to adjust a third control signal CLK and a fourth control signalCLKAnd feeding back a second result of the execution to the first control unit, the first control unit determining whether the first mode needs to be executed according to the second result, and if so, the first control unit sending a control signal for executing the first mode, wherein the control signal for executing the first mode is to adjust the first control signal clk and the second control signal clkclk。
The charging adjustment control system of the electronic device, the first control signal clk and the second control signal clkclkThe control time sequence is opposite and is used for controlling the first-stage charging unit; the third control signal CLK and the fourth control signalCLKThe control time sequence is opposite, and the control time sequence is used for controlling the second-stage charging unit, and the third control signal CLK and the fourth control signal CLKCLKComparing the first control signal clk to the second control signal clkclkIs large, the third control signal CLK, the fourth control signal CLKCLKAccording to the firstControl signal clk, the second control signalclkAdjusting the specific gain value of the gain value; the control timing of the first control signal CLK is the same as that of the third control signal CLK, and the second control signalclkAnd a fourth control signalCLKThe control time sequences are the same; the gain value is between the first control signal clk and the second control signal clkclkA fixed gain value is added on the basis of both the high level and the low level; the third mode is to adjust the adjustable resistance at the output side of the second stage charging unit, and the second mode is to adjust the third control signal CLK and the fourth control signal CLKCLKA medium gain value, the first mode being to adjust the first control signal clk and the second control signal clkclkControl timing, the third control signal CLK, the fourth control signalCLKWith the first control signal clk and the second control signal clkclkAnd controlling the time sequence to perform correlation matching adjustment.
In the charging adjustment control system of the electronic device, the first-stage charging unit includes a switching tube M1-M11, M21, and a capacitor C1-C5, a controllable end of the switching tube M1 is respectively connected to the input interface, a non-controllable end of the switching tube M1, a non-controllable end of the switching tube M2, a non-controllable end of the switching tube M3, and an end of the capacitor C1, the input interface is further connected to a first input end of the control module, another non-controllable end of the switch tube M1 is respectively connected to another non-controllable end of the switch tube M2, a controllable end of the switch tube M5, a non-controllable end of the switch tube M5, a non-controllable end of the switch tube M6, a non-controllable end of the switch tube M7, a non-controllable end of the switch tube M9, a non-controllable end of the switch tube M10, and an end of the capacitor C2, and a controllable end of the switch tube M2 is connected to another non-controllable end of the switch tube M3 and a non-controllable end of the switch tube M4; after the switching tube M3 is connected to the controllable end of the switching tube M4, the switching tube M3 is connected to a non-controllable end of the switching tube M7, the other non-controllable end of the switching tube M4 is connected to one end of a capacitor C3, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C4 are connected to the output end of the first control signal clk of the control module; the other non-controllable end of the switch tube M5 is connected to one non-controllable end of the switch tube M21 and the other non-controllable end of the switch tube M6, and the controllable end of the switch tube M6 is connected to the other end of the switch tube M7Another non-controllable end, a non-controllable end of the switch tube M8, a controllable end of the switch tube M9, and a controllable end of the switch tube M21, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected, and then are respectively connected to another non-controllable end of the switch tube M9, another non-controllable end of the switch tube M10, a non-controllable end of the switch tube M11, and one end of the capacitor C3, and another non-controllable end of the switch tube M8 is connected to the controllable end of the switch tube M11; the other non-controllable end of the switch tube M11 is connected with one end of a capacitor C4, and the other end of the capacitor C3 is connected with a second control signal of the control moduleclkAnd one end of the capacitor C5 is connected with the second-stage charging unit and the other non-controllable end of the switch tube M21, and the other end of the capacitor C5 is grounded.
The charging adjustment control system of the electronic device, the second-stage charging unit includes a switching tube M12-M20, a capacitor C6-C10, a resistor R1, an adjustable resistor R2, a non-controllable end of the switching tube M12 and a non-controllable end of the switching tube M16 are connected to one end of the capacitor C5, a controllable end of the switching tube M12 is connected to the other non-controllable end of the switching tube M16, the other non-controllable end of the switching tube M12 is respectively connected to one end of the capacitor C6, the controllable end of the switching tube M16 and one non-controllable end of the switching tube M13, and the other end of the capacitor C6 is connected to the output end of the third control signal CLK of the control module; the controllable end of the switch tube M13 is respectively connected with the controllable end of the switch tube M14 and the other end of the capacitor C4, the other non-controllable end of the switch tube M13 is respectively connected with one non-controllable end of the switch tube M14 and the other end of the capacitor C7, and the other non-controllable end of the switch tube M14 is grounded; a non-controllable end of the switch tube M15 is connected to the controllable end of the switch tube M12, the controllable end of the switch tube M22 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, the other non-controllable end of the switch tube M15 is connected to one end of the capacitor C7, the controllable end of the switch tube M17, a non-controllable end of the switch tube M22, and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M22 is respectively connected with one non-controllable end of the switch tube M18, one end of a capacitor C8 and one end of an adjustable resistor R2, the other end of the capacitor C8 and the other end of the resistor R1 are grounded, and the other end of the adjustable resistor R2 is connected with one end of a resistor R1; one non-controllable end of the switch tube M17 is connected with the controllable end of the switch tube M16, and the other non-controllable end of the switch tube M17The end of the switch tube M18 is connected with the other non-controllable end of the switch tube M18 and one end of the capacitor C10; the other non-controllable end of the switch tube M16 is connected to one end of the capacitor C9 and one non-controllable end of the switch tube M19, and the other end of the capacitor C9 is connected to the fourth control signal of the control moduleCLKThe controllable end of the switch tube M19 is respectively connected with the controllable end of the switch tube M20 and the second control signal of the control moduleclkAn output terminal of (a); the other end of the adjustable resistor R2 is respectively connected with the battery and the second input end of the control module, and the adjustable end of the adjustable resistor R2 is connected with the fifth control signal output end of the control module.
The charging adjustment control system of the electronic device, the second input end of the control module receives the output voltage of the multi-mode adjustment charging module, the first input end of the control module receives the input voltage of the multi-mode adjustment charging module, the control module calculates the charging efficiency of the multi-mode adjustment charging module according to the received output voltage and input voltage, and generates a first adjustment combined signal according to the charging efficiency, wherein the first adjustment combined signal is a first control signal clk and a second control signal clkclkA third control signal CLK, a fourth control signalCLKThe combination of the fifth control signal and the first control signal, then detecting the battery temperature of the electronic equipment, judging whether the temperature exceeds a first temperature threshold and is smaller than a second temperature threshold, if so, executing a third mode, sending the fifth control signal, increasing the adjustable resistor R2 for the first time, monitoring whether the temperature of the battery has a trend of decreasing, if so, predicting and calculating whether the temperature can decrease to the normal temperature according to the current charging mode by a third control unit, if so, calculating the first time of decreasing to the normal temperature, weighting and calculating the first time and the preset value of the charging time of the electronic equipment, judging whether the time of the charging time of the electronic equipment due to the first time can be accepted, and if so, carrying out the charging operation according to the current third mode; if the charging extension time after the adjustable resistor R2 is increased for the first time cannot meet the requirement of a user or cannot meet the requirement that the battery is cooled down to the normal temperature, the charging extension time is increased for the second timeIn the adjustable resistor R2, the adjustable resistor R2 is increased for the second time to adjust the adjustable resistor R2 to the maximum value, and then the same operation is performed in the manner of increasing the adjustable resistor R2 for the first time, and if the user's requirement cannot be met or the battery temperature is lowered to the normal temperature, the first result at this time is fed back to the second control unit.
In the charging adjustment control system of the electronic device, the second control unit executes the second mode after receiving the first result, and sends the adjusted third control signal CLK and the adjusted fourth control signal CLKCLKAnd the controller is used for reducing the gain value by a preset value which is not zero, judging whether the temperature of the battery at the moment exceeds a temperature threshold value, and if not, sending a third control signal CLK and a fourth control signal according to a third mode with the maximum adjustable resistor R2 and an adjusted second modeCLKControlling the second stage charging unit; if the temperature threshold is still exceeded, the third control signal CLK and the fourth control signal CLK in the second mode are setCLKThe gain value is reduced to zero, whether the temperature exceeds the temperature threshold value is judged again, and if the temperature still exceeds the temperature threshold value, the gain value is reduced to zero; feeding back a second result of the execution of the second mode of the second control unit to the first control unit, wherein the first control unit executes the first mode and adjusts and sends the first control signal clk and the second control signal clkclkThe output voltage of the first stage charging unit and the output voltage of the second stage charging unit are reduced, and the output voltage is increased after waiting for a period of time and executing according to the inverse operation of the first mode, the second mode and the third mode after the battery temperature is adjusted to be within a normal range.
The charging adjustment control system of the electronic device comprises the third control signal CLK and the fourth control signalCLKWith the first and second control signals clk, clkclkMaking the same adjustment, i.e. first control signal clk, second control signalclkDuring adjustment, the third control signal CLK and the fourth control signalCLKThe control time sequence in (1) is synchronously and automatically adjusted in a consistent way.
The charging adjustment control system of the electronic device, wherein the performing according to the inverse operation of the first mode, the second mode, and the third mode of the above adjustment comprises: the first mode adjustment control sequence is executed, then the second mode is executed for gain value adjustment, and finally the third mode is executed for adjusting the adjustable resistor R2, and the reverse operation is carried out according to the operation when the battery temperature is higher than the temperature threshold value in each mode.
The invention has the beneficial effects that: to electronic equipment, set up the multi-mode adjustment module that charges, can carry out the regulation control that charges of at least three kinds of modes, promoted electronic equipment's charge efficiency, can carry out accurate control to the inside charging of electronic equipment, avoid the safety problem that the temperature of battery is too high and lead to. One of the main improvement points of the invention is that a multi-mode adjustment charging module is arranged to execute a three-level associated charging mode, sequential charging adjustment operation is carried out on two-level charging units through three modes, and adjustment is carried out in the charging mode to avoid the defect of unilateral adjustment, and the charging efficiency and the response time to the battery temperature are influenced; the two-stage charging unit is controlled by five control signals, the five control signals are mutually related by three-stage regulation, the battery temperature is prevented from being overhigh in the charging process by regulating the control signals of the charging unit at the front stage and the charging control signals of the charging unit at the rear stage after the voltage regulation of the battery is output, the regulation voltage is output by the charging unit at the rear stage first, then the gain value is regulated, and then the control time sequence of the charging unit is regulated, so that the charging speed of the battery of the electronic equipment is improved, and the service time of the battery is ensured. As another improvement of the present invention, three control units are provided, and the three control units are used for coordinating and controlling the charging units and switching between the modes according to the requirements of the control signals.
Drawings
Fig. 1 is a schematic diagram of a charging adjustment control system of an electronic device according to the present invention.
Fig. 2 is a schematic diagram of a multi-mode adjustment charging module according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1, the present invention discloses a schematic diagram of a charging adjustment control system of an electronic device, including a control module, an input interface, a battery, and a multi-mode adjustment charging module, where the control module includes a first control unit, a second control unit, and a third control unit, and outputs five control signals, and the first control unit outputs a first control signal clk and a second control signal clkclkThe second control unit outputs a third control signal CLK and a fourth control signalCLKThe third control unit outputs a fifth control signal, the control module comprises a three-mode adjustment control mode for controlling the multi-mode adjustment charging module, the multi-mode adjustment charging module comprises two stages of charging units which are respectively a first stage charging unit and a second stage charging unit, the first stage charging unit is connected to the front end of the second stage charging unit, and the output end of the second stage charging unit is connected with the battery.
The charging adjustment control system of the electronic device, the three-mode adjustment control mode includes a first mode, a second mode and a third mode, the first mode, the second mode and the third mode are sequentially performed, the third control unit outputs a fifth control signal to the second-stage charging unit to execute the third mode according to the output voltage and the temperature of the battery, and feeds back a first result of the completion of the execution of the third mode to the second control unit, the second control unit judges whether the second mode needs to be executed according to the first result, if so, the second control unit sends a control signal for executing the second mode, and the control signal for executing the second mode is to adjust a third control signal CLK and a fourth control signalCLKAnd feeding back a second result of the execution to the first control unit, wherein the first control unit is used for controlling the execution according to the second resultJudging whether the first mode needs to be executed or not according to the result, if so, sending a control signal for executing the first mode by the first control unit, wherein the control signal for executing the first mode is a first control signal clk and a second control signal clk which are adjustedclk。
The charging adjustment control system of the electronic device, the first control signal clk and the second control signal clkclkThe control time sequence is opposite and is used for controlling the first-stage charging unit; the third control signal CLK and the fourth control signalCLKThe control time sequence is opposite, and the control time sequence is used for controlling the second-stage charging unit, and the third control signal CLK and the fourth control signal CLKCLKComparing the first control signal clk to the second control signal clkclkIs large, the third control signal CLK, the fourth control signal CLKCLKAccording to the first control signal clk, the second control signalclkAdjusting the specific gain value of the gain value; the control timing of the first control signal CLK is the same as that of the third control signal CLK, and the second control signalclkAnd a fourth control signalCLKThe control time sequences are the same; the gain value is between the first control signal clk and the second control signal clkclkA fixed gain value is added on the basis of both the high level and the low level; the third mode is to adjust the adjustable resistance at the output side of the second stage charging unit, and the second mode is to adjust the third control signal CLK and the fourth control signal CLKCLKA medium gain value, the first mode being to adjust the first control signal clk and the second control signal clkclkControl timing, the third control signal CLK, the fourth control signalCLKWith the first control signal clk and the second control signal clkclkAnd controlling the time sequence to perform correlation matching adjustment.
As shown in fig. 2, which is a schematic diagram of the multi-mode adjustment charging module of the present invention, the first-stage charging unit includes switching tubes M1-M11, M21, and capacitors C1-C5, a controllable end of the switching tube M1 is respectively connected to the input interface, a non-controllable end of the switching tube M1, a non-controllable end of the switching tube M2, a non-controllable end of the switching tube M3, and an end of the capacitor C1, the input interface is further connected to a first input end of the control module, and the switch is further connected to the first input end of the control moduleThe other non-controllable end of the transistor M1 is connected to the other non-controllable end of the switch transistor M2, the controllable end of the switch transistor M5, a non-controllable end of the switch transistor M5, a non-controllable end of the switch transistor M6, a non-controllable end of the switch transistor M7, a non-controllable end of the switch transistor M9, a non-controllable end of the switch transistor M10, and an end of the capacitor C2, respectively, and the controllable end of the switch transistor M2 is connected to the other non-controllable end of the switch transistor M3 and a non-controllable end of the switch transistor M4; after the switching tube M3 is connected to the controllable end of the switching tube M4, the switching tube M3 is connected to a non-controllable end of the switching tube M7, the other non-controllable end of the switching tube M4 is connected to one end of a capacitor C3, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C4 are connected to the output end of the first control signal clk of the control module; the other non-controllable end of the switch tube M5 is connected to one non-controllable end of the switch tube M21 and the other non-controllable end of the switch tube M6, the controllable end of the switch tube M6 is connected to the other non-controllable end of the switch tube M7, one non-controllable end of the switch tube M8, the controllable end of the switch tube M9 and the controllable end of the switch tube M21, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected to each other and then connected to the other non-controllable end of the switch tube M9, the other non-controllable end of the switch tube M10, the one non-controllable end of the switch tube M11 and one end of the capacitor C3, and the other non-controllable end of the switch tube M8 is connected to the controllable end of the switch tube M11; the other non-controllable end of the switch tube M11 is connected with one end of a capacitor C4, and the other end of the capacitor C3 is connected with a second control signal of the control moduleclkAnd one end of the capacitor C5 is connected with the second-stage charging unit and the other non-controllable end of the switch tube M21, and the other end of the capacitor C5 is grounded.
The charging adjustment control system of the electronic device, the second-stage charging unit includes a switching tube M12-M20, a capacitor C6-C10, a resistor R1, an adjustable resistor R2, a non-controllable end of the switching tube M12 and a non-controllable end of the switching tube M16 are connected to one end of the capacitor C5, a controllable end of the switching tube M12 is connected to the other non-controllable end of the switching tube M16, the other non-controllable end of the switching tube M12 is respectively connected to one end of the capacitor C6, the controllable end of the switching tube M16 and one non-controllable end of the switching tube M13, and the other end of the capacitor C6 is connected to the output end of the third control signal CLK of the control module; the controllable end of the switch tube M13 is respectively connected with the controllable end of the switch tube M14 and the capacitorThe other end of the switch tube M13 and the other non-controllable end of the switch tube C4 are respectively connected to one non-controllable end of the switch tube M14 and the other end of the capacitor C7, and the other non-controllable end of the switch tube M14 is grounded; a non-controllable end of the switch tube M15 is connected to the controllable end of the switch tube M12, the controllable end of the switch tube M22 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, the other non-controllable end of the switch tube M15 is connected to one end of the capacitor C7, the controllable end of the switch tube M17, a non-controllable end of the switch tube M22, and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M22 is respectively connected with one non-controllable end of the switch tube M18, one end of a capacitor C8 and one end of an adjustable resistor R2, the other end of the capacitor C8 and the other end of the resistor R1 are grounded, and the other end of the adjustable resistor R2 is connected with one end of a resistor R1; one non-controllable end of the switch tube M17 is connected to the controllable end of the switch tube M16, and the other non-controllable end of the switch tube M17 is connected to the other non-controllable end of the switch tube M18 and one end of the capacitor C10; the other non-controllable end of the switch tube M16 is connected to one end of the capacitor C9 and one non-controllable end of the switch tube M19, and the other end of the capacitor C9 is connected to the fourth control signal of the control moduleCLKThe controllable end of the switch tube M19 is respectively connected with the controllable end of the switch tube M20 and the second control signal of the control moduleclkAn output terminal of (a); the other end of the adjustable resistor R2 is respectively connected with the battery and the second input end of the control module, and the adjustable end of the adjustable resistor R2 is connected with the fifth control signal output end of the control module.
The charging adjustment control system of the electronic device, the second input end of the control module receives the output voltage of the multi-mode adjustment charging module, the first input end of the control module receives the input voltage of the multi-mode adjustment charging module, the control module calculates the charging efficiency of the multi-mode adjustment charging module according to the received output voltage and input voltage, and generates a first adjustment combined signal according to the charging efficiency, wherein the first adjustment combined signal is a first control signal clk and a second control signal clkclkA third control signal CLK, a fourth control signalCLKAnd a fifth control signal, then detecting the battery temperature of the electronic equipment, and judging whether the temperature is the same or notIf the first temperature threshold is exceeded and is smaller than the second temperature threshold, a third mode is executed, a fifth control signal is sent, the adjustable resistor R2 is increased for the first time, whether the temperature of the battery has a descending trend or not is monitored, if yes, the third control unit predicts whether the calculated temperature can descend to the normal temperature or not according to the current charging mode, if yes, the first time of descending to the normal temperature is calculated, weighted calculation is carried out on the first time and a preset value of the charging time of the electronic equipment, whether the time of prolonging the charging time of the electronic equipment caused by the first time can be accepted or not is judged, and if yes, charging operation is carried out according to the current third mode; if the charging extension time cannot meet the requirement of a user after the adjustable resistor R2 is increased for the first time or the battery cannot be cooled to the normal temperature, increasing the adjustable resistor R2 for the second time, increasing the adjustable resistor R2 for the second time to adjust the adjustable resistor R2 to the maximum value, then performing the same operation in the manner of increasing the adjustable resistor R2 for the first time, and if the requirement of the user cannot be met or the battery cannot be cooled to the normal temperature, feeding back the first result to the second control unit.
In the charging adjustment control system of the electronic device, the second control unit executes the second mode after receiving the first result, and sends the adjusted third control signal CLK and the adjusted fourth control signal CLKCLKAnd the controller is used for reducing the gain value by a preset value which is not zero, judging whether the temperature of the battery at the moment exceeds a temperature threshold value, and if not, sending a third control signal CLK and a fourth control signal according to a third mode with the maximum adjustable resistor R2 and an adjusted second modeCLKControlling the second stage charging unit; if the temperature threshold is still exceeded, the third control signal CLK and the fourth control signal CLK in the second mode are setCLKThe gain value is reduced to zero, whether the temperature exceeds the temperature threshold value is judged again, and if the temperature still exceeds the temperature threshold value, the gain value is reduced to zero; feeding back a second result of the execution of the second mode of the second control unit to the first control unit, which executes the first mode and adjusts the sending of the first control signal clkA second control signalclkThe output voltage of the first stage charging unit and the output voltage of the second stage charging unit are reduced, and the output voltage is increased after waiting for a period of time and executing according to the inverse operation of the first mode, the second mode and the third mode after the battery temperature is adjusted to be within a normal range.
The charging adjustment control system of the electronic device comprises the third control signal CLK and the fourth control signalCLKWith the first and second control signals clk, clkclkMaking the same adjustment, i.e. first control signal clk, second control signalclkDuring adjustment, the third control signal CLK and the fourth control signalCLKThe control time sequence in (1) is synchronously and automatically adjusted in a consistent way.
The charging adjustment control system of the electronic device, wherein the performing according to the inverse operation of the first mode, the second mode, and the third mode of the above adjustment comprises: the first mode adjustment control sequence is executed, then the second mode is executed for gain value adjustment, and finally the third mode is executed for adjusting the adjustable resistor R2, and the reverse operation is carried out according to the operation when the battery temperature is higher than the temperature threshold value in each mode.
The invention has the beneficial effects that: to electronic equipment, set up the multi-mode adjustment module that charges, can carry out the regulation control that charges of at least three kinds of modes, promoted electronic equipment's charge efficiency, can carry out accurate control to the inside charging of electronic equipment, avoid the safety problem that the temperature of battery is too high and lead to. One of the main improvement points of the invention is that a multi-mode adjustment charging module is arranged to execute a three-level associated charging mode, sequential charging adjustment operation is carried out on two-level charging units through three modes, and adjustment is carried out in the charging mode to avoid the defect of unilateral adjustment, and the charging efficiency and the response time to the battery temperature are influenced; the two-stage charging unit is controlled by five control signals, the five control signals are mutually related by three-stage regulation, the battery temperature is prevented from being overhigh in the charging process by regulating the control signals of the charging unit at the front stage and the charging control signals of the charging unit at the rear stage after the voltage regulation of the battery is output, the regulation voltage is output by the charging unit at the rear stage first, then the gain value is regulated, and then the control time sequence of the charging unit is regulated, so that the charging speed of the battery of the electronic equipment is improved, and the service time of the battery is ensured. As another improvement of the present invention, three control units are provided, and the three control units are used for coordinating and controlling the charging units and switching between the modes according to the requirements of the control signals.
Claims (7)
1. The charging adjustment control system of the electronic equipment is characterized by comprising a control module, an input interface, a battery and a multi-mode adjustment charging module, wherein the control module comprises a first control unit, a second control unit and a third control unit and outputs five control signals, and the first control unit outputs a first control signal clk and a second control signal clkclkThe second control unit outputs a third control signal CLK and a fourth control signalCLKThe third control unit outputs a fifth control signal, the control module comprises a three-mode adjustment control mode for controlling the multi-mode adjustment charging module, the multi-mode adjustment charging module comprises two stages of charging units which are respectively a first stage charging unit and a second stage charging unit, the first stage charging unit is connected to the front end of the second stage charging unit, and the output end of the second stage charging unit is connected with the battery; the three-mode adjustment control mode comprises a first mode, a second mode and a third mode, the first mode, the second mode and the third mode are sequentially performed, the third control unit outputs a fifth control signal to the second-stage charging unit to execute the third mode according to the output voltage and the temperature of the battery, a first result of the third mode execution is fed back to the second control unit, the second control unit judges whether the second mode needs to be executed according to the first result, if so, the second control unit sends a control signal for executing the second mode, and the control signal for executing the second mode is to adjust a third control signal CLK and a fourth control signalCLKAnd feed back to finish executionThe second result is sent to the first control unit, the first control unit judges whether the first mode needs to be executed according to the second result, if so, the first control unit sends a control signal for executing the first mode, and the control signal for executing the first mode is to adjust the first control signal clk and the second control signal clkclk(ii) a The first control signal clk and the second control signal clkclkThe control time sequence is opposite and is used for controlling the first-stage charging unit; the third control signal CLK and the fourth control signalCLKThe control time sequence is opposite, and the control time sequence is used for controlling the second-stage charging unit, and the third control signal CLK and the fourth control signal CLKCLKComparing the first control signal clk to the second control signal clkclkIs large, the third control signal CLK, the fourth control signal CLKCLKAccording to the first control signal clk, the second control signalclkAdjusting the specific gain value of the gain value; the control timing of the first control signal CLK is the same as that of the third control signal CLK, and the second control signalclkAnd a fourth control signalCLKThe control time sequences are the same; the gain value is between the first control signal clk and the second control signal clkclkA fixed gain value is added on the basis of both the high level and the low level; the third mode is to adjust the adjustable resistance at the output side of the second stage charging unit, and the second mode is to adjust the third control signal CLK and the fourth control signal CLKCLKA medium gain value, the first mode being to adjust the first control signal clk and the second control signal clkclkControl timing, the third control signal CLK, the fourth control signalCLKWith the first control signal clk and the second control signal clkclkAnd controlling the time sequence to perform correlation matching adjustment.
2. The charging adjustment control system of electronic device as claimed in claim 1, wherein the first stage charging unit comprises switching transistors M1-M11, M21 and capacitors C1-C5, the controllable terminal of the switching transistor M1 is connected to the input interface, a non-controllable terminal of the switching transistor M1, a non-controllable terminal of the switching transistor M2, a non-controllable terminal of the switching transistor M3 and a terminal of the capacitor C1, respectivelyThe input interface is further connected to a first input end of the control module, another non-controllable end of the switch tube M1 is respectively connected to another non-controllable end of the switch tube M2, a controllable end of the switch tube M5, a non-controllable end of the switch tube M5, a non-controllable end of the switch tube M6, a non-controllable end of the switch tube M7, a non-controllable end of the switch tube M9, a non-controllable end of the switch tube M10, and an end of the capacitor C2, and a controllable end of the switch tube M2 is connected to another non-controllable end of the switch tube M3 and a non-controllable end of the switch tube M4; after the switching tube M3 is connected to the controllable end of the switching tube M4, the switching tube M3 is connected to a non-controllable end of the switching tube M7, the other non-controllable end of the switching tube M4 is connected to one end of a capacitor C3, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C4 are connected to the output end of the first control signal clk of the control module; the other non-controllable end of the switch tube M5 is connected to one non-controllable end of the switch tube M21 and the other non-controllable end of the switch tube M6, the controllable end of the switch tube M6 is connected to the other non-controllable end of the switch tube M7, one non-controllable end of the switch tube M8, the controllable end of the switch tube M9 and the controllable end of the switch tube M21, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected to each other and then connected to the other non-controllable end of the switch tube M9, the other non-controllable end of the switch tube M10, the one non-controllable end of the switch tube M11 and one end of the capacitor C3, and the other non-controllable end of the switch tube M8 is connected to the controllable end of the switch tube M11; the other non-controllable end of the switch tube M11 is connected with one end of a capacitor C4, and the other end of the capacitor C3 is connected with a second control signal of the control moduleclkAnd one end of the capacitor C5 is connected with the second-stage charging unit and the other non-controllable end of the switch tube M21, and the other end of the capacitor C5 is grounded.
3. The charging adjustment control system of electronic device as claimed in claim 2, wherein the second stage charging unit comprises a switch tube M12-M20, a capacitor C6-C10, a resistor R1, an adjustable resistor R2, a non-controllable terminal of a switch tube M12 and a non-controllable terminal of a switch tube M16 are connected to one terminal of the capacitor C5, a controllable terminal of a switch tube M12 is connected to the other non-controllable terminal of the switch tube M16, and the other non-controllable terminal of the switch tube M12 is connected to one terminal of the capacitor C6, a controllable terminal of the switch tube M16 and a non-controllable terminal of the switch tube M13, respectivelyThe other end of the capacitor C6 is connected with the output end of the third control signal CLK of the control module; the controllable end of the switch tube M13 is respectively connected with the controllable end of the switch tube M14 and the other end of the capacitor C4, the other non-controllable end of the switch tube M13 is respectively connected with one non-controllable end of the switch tube M14 and the other end of the capacitor C7, and the other non-controllable end of the switch tube M14 is grounded; a non-controllable end of the switch tube M15 is connected to the controllable end of the switch tube M12, the controllable end of the switch tube M22 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, the other non-controllable end of the switch tube M15 is connected to one end of the capacitor C7, the controllable end of the switch tube M17, a non-controllable end of the switch tube M22, and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M22 is respectively connected with one non-controllable end of the switch tube M18, one end of a capacitor C8 and one end of an adjustable resistor R2, the other end of the capacitor C8 and the other end of the resistor R1 are grounded, and the other end of the adjustable resistor R2 is connected with one end of a resistor R1; one non-controllable end of the switch tube M17 is connected to the controllable end of the switch tube M16, and the other non-controllable end of the switch tube M17 is connected to the other non-controllable end of the switch tube M18 and one end of the capacitor C10; the other non-controllable end of the switch tube M16 is connected to one end of the capacitor C9 and one non-controllable end of the switch tube M19, and the other end of the capacitor C9 is connected to the fourth control signal of the control moduleCLKThe controllable end of the switch tube M19 is respectively connected with the controllable end of the switch tube M20 and the second control signal of the control moduleclkAn output terminal of (a); the other end of the adjustable resistor R2 is respectively connected with the battery and the second input end of the control module, and the adjustable end of the adjustable resistor R2 is connected with the fifth control signal output end of the control module.
4. The system of claim 3, wherein the second input of the control module receives the output voltage of the multi-mode adjustment charging module, the first input of the control module receives the input voltage of the multi-mode adjustment charging module, the control module calculates the charging efficiency of the multi-mode adjustment charging module based on the received output voltage and input voltage, and generates the output first adjustment combination signal based on the charging efficiency, the control module further comprising a second input of the control module receives the output voltage of the multi-mode adjustment charging module, and the second input of the control module receives the output voltage of the multi-mode adjustment charging module and the input voltage of the control moduleThe first adjusting combination signal is a first control signal clk, a second control signal clkclkA third control signal CLK, a fourth control signalCLKThe combination of the fifth control signal and the first control signal, then detecting the battery temperature of the electronic equipment, judging whether the temperature exceeds a first temperature threshold and is smaller than a second temperature threshold, if so, executing a third mode, sending the fifth control signal, increasing the adjustable resistor R2 for the first time, monitoring whether the temperature of the battery has a trend of decreasing, if so, predicting and calculating whether the temperature can decrease to the normal temperature according to the current charging mode by a third control unit, if so, calculating the first time of decreasing to the normal temperature, weighting and calculating the first time and the preset value of the charging time of the electronic equipment, judging whether the time of the charging time of the electronic equipment due to the first time can be accepted, and if so, carrying out the charging operation according to the current third mode; if the charging extension time cannot meet the requirement of a user after the adjustable resistor R2 is increased for the first time or the battery cannot be cooled to the normal temperature, increasing the adjustable resistor R2 for the second time, increasing the adjustable resistor R2 for the second time to adjust the adjustable resistor R2 to the maximum value, then performing the same operation in the manner of increasing the adjustable resistor R2 for the first time, and if the requirement of the user cannot be met or the battery cannot be cooled to the normal temperature, feeding back the first result to the second control unit.
5. The system of claim 4, wherein the second control unit executes the second mode after receiving the first result, and sends the adjusted third control signal CLK and the adjusted fourth control signal CLKCLKAnd the controller is used for reducing the gain value by a preset value which is not zero, judging whether the temperature of the battery at the moment exceeds a temperature threshold value, and if not, sending a third control signal CLK and a fourth control signal according to a third mode with the maximum adjustable resistor R2 and an adjusted second modeCLKControlling the second stage charging unit; if the temperature threshold is still exceeded, the second mode is usedA third control signal CLK, a fourth control signalCLKThe gain value is reduced to zero, whether the temperature exceeds the temperature threshold value is judged again, and if the temperature still exceeds the temperature threshold value, the gain value is reduced to zero; feeding back a second result of the execution of the second mode of the second control unit to the first control unit, wherein the first control unit executes the first mode and adjusts and sends the first control signal clk and the second control signal clkclkThe output voltage of the first stage charging unit and the output voltage of the second stage charging unit are reduced, and the output voltage is increased after waiting for a period of time and executing according to the inverse operation of the first mode, the second mode and the third mode after the battery temperature is adjusted to be within a normal range.
6. The system of claim 5, wherein the third control signal CLK and the fourth control signal CLK are set to control the charging of the electronic deviceCLKWith the first and second control signals clk, clkclkMaking the same adjustment, i.e. first control signal clk, second control signalclkDuring adjustment, the third control signal CLK and the fourth control signalCLKThe control time sequence in (1) is synchronously and automatically adjusted in a consistent way.
7. The system of claim 6, wherein the performing of operations in reverse of the first, second, and third modes of the adjustment comprises: the first mode adjustment control sequence is executed, then the second mode is executed for gain value adjustment, and finally the third mode is executed for adjusting the adjustable resistor R2, and the reverse operation is carried out according to the operation when the battery temperature is higher than the temperature threshold value in each mode.
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| US10404083B2 (en) * | 2015-05-13 | 2019-09-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Quick charging method, power adapter and mobile terminal, bidirectional communication using USB interface |
| US9748788B2 (en) * | 2015-09-17 | 2017-08-29 | Qualcomm Incorporated | Systems and methods for charging a battery |
| EP3214726B1 (en) * | 2016-01-05 | 2018-11-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Rapid charging method, mobile terminal and adapter |
| CN106786980B (en) * | 2017-01-23 | 2019-01-22 | 珠海市魅族科技有限公司 | A kind of electronic equipment and charge control method based on electronic equipment |
| CN109510272B (en) * | 2018-12-07 | 2022-04-29 | 青岛海信移动通信技术股份有限公司 | Charging control method and charging circuit |
| CN110518672A (en) * | 2019-09-18 | 2019-11-29 | 深圳市道通科技股份有限公司 | A kind of charging unit, charging method and electronic equipment |
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