CN111682619A - Electronic equipment that high efficiency was charged - Google Patents
Electronic equipment that high efficiency was charged Download PDFInfo
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- CN111682619A CN111682619A CN202010595333.9A CN202010595333A CN111682619A CN 111682619 A CN111682619 A CN 111682619A CN 202010595333 A CN202010595333 A CN 202010595333A CN 111682619 A CN111682619 A CN 111682619A
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses an electronic device with high-efficiency charging, which comprises a control module, an input interface, a battery and a high-efficiency charging module, wherein the control module outputs four paths of control signals to control the high-efficiency charging module to charge the battery of the electronic device, the control module is connected with the input interface and the input end of the battery and is used for detecting and judging the charging efficiency of the high-efficiency charging module, and at least one path of the four paths of control signals is adjusted according to the charging efficiency. The high-efficiency charging module is arranged for the electronic equipment, so that the high-efficiency power supply can be performed for the battery in the electronic equipment, the safety of the electronic equipment is ensured, and the service life of the electronic equipment is prolonged.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to electronic equipment capable of being charged efficiently.
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 an electronic device with high-efficiency charging, which comprises a control module, an input interface, a battery and a high-efficiency charging module, wherein the control module outputs four paths of control signals to control the high-efficiency charging module to charge the battery of the electronic device, the control module is connected with the input interface and the input end of the battery and is used for detecting and judging the charging efficiency of the high-efficiency charging module, and at least one path of the four paths of control signals is adjusted according to the charging efficiency.
The electronic equipment with high charging efficiency is characterized in that the input interface is a type c interface, and the battery is a lithium ion battery.
The high-efficiency charging module comprises two stages of charging units, namely a first stage charging unit and a second stage charging unit, and the four control signals are a first control signal clk and a second control signal clk respectivelyclkA third control signal CLK, a fourth control signalCLKThe 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 charging of the second stage, 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 signalclkAdjusts its specific gain value.
The electronic device with high charging efficiency comprises a first control signal CLK, a third control signal CLK, a second control signal CLK, a third control signal CLK, a fourth control signal CLK, a fifth control signal CLK and a sixth control signal CLKclkAnd a fourth control signalCLKThe control time sequences are the same; the gain value is inA control signal clk, a second control signalclkA fixed gain value is added to both the high level and the low level of (c).
The first-stage charging unit comprises switching tubes M1-M11 and capacitors C1-C5, wherein the controllable end of the switching tube M1 is respectively connected with 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 one end of the capacitor C1, the input interface is also connected with the first input end of the control module, the other non-controllable end of the switching tube M1 is respectively connected with the other non-controllable end of the switching tube M2, the controllable end of the switching tube M5, a non-controllable end of the switching tube M5 and a non-controllable end of the switching tube M6, a non-controllable end of the switching tube M7, a non-controllable end of the switching tube M9, a non-controllable end of the switching tube M10 and one end of the capacitor C2, and the controllable end of the switching tube M2 is connected with the non-controllable end of the switching tube M3 and the non-controllable end of the switching tube C4; 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 end of the capacitor C5 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 and the controllable end of the switch tube M9, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected to the other non-controllable end of the switch tube M9, the other non-controllable end of the switch tube M10, 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 the other end of the capacitor C5 is grounded, and one end of the capacitor C5 is connected with the second-stage charging unit.
The second stage charging unit comprises a switch tube M12-M20, a capacitor C6-C10, a resistor R1, a non-controllable end of a switch tube M12 and a non-controllable end of a switch tube M16The controllable end of the capacitor C5 is connected to one end of the capacitor C5, the controllable end of the switch tube M12 is connected to the other non-controllable end of the switch tube M16, the other non-controllable end of the switch tube M12 is connected to one end of the capacitor C6, the controllable end of the switch tube M16 and one non-controllable end of the switch 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; one 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 M15 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, and 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 and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M15 is respectively connected with one non-controllable end of the switch tube M18, one end of the capacitor C8 and one end of the resistor R1, and the other end of the capacitor C8 and the other end of the resistor R1 are grounded; 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 non-controllable end of the switch tube M15 is respectively connected with the battery and the second input end of the control module.
The second input end of the control module receives the output voltage of the high-efficiency charging module, the first input end of the control module receives the input voltage of the high-efficiency charging module, the control module calculates the charging efficiency of the high-efficiency 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 clkTwo control signalsclkA third control signal CLK, a fourth control signalCLKThen detecting the temperature of the electronic device, judging whether the temperature exceeds a first temperature threshold and is smaller than a second temperature threshold, if so, adjusting the first combination signal to the third control signal CLK and the fourth control signal CLKCLKIf the gain value is not larger than the preset value, the high-efficiency charging module is controlled according to the first adjustment combined signal; judging whether the temperature exceeds a second temperature threshold and is smaller than a third temperature threshold, and if so, adjusting a third control signal CLK and a fourth control signal CLK of the combined signalCLKThe gain value of (a) is reduced to zero; stopping sending the first control signal clk and the second control signal if the temperature exceeds a third temperature thresholdclkA third control signal CLK, a fourth control signalCLK。
In the electronic device with high charging efficiency, the generating manner of the first adjustment combination signal includes: calculating the charging efficiency, judging whether the temperature of the battery is smaller than a first temperature threshold value for the first time, and if so, increasing the first control signal clk and the second control signal clkclkA third control signal CLK, a fourth control signalCLKUntil reaching the maximum control time sequence, then judging whether the temperature of the battery is smaller than the first temperature threshold for the second time, if so, setting a fixed step length, and increasing the third control signal CLK and the fourth control signal CLK according to the fixed step lengthCLKAnd detecting whether the temperature of the primary battery is smaller than a first temperature threshold value every time the gain value is increased, if so, increasing the fixed step length, and if not, reducing one fixed step length to serve as the final gain value.
The control module of the high-efficiency charging electronic device comprises a first control unit and a second control unit, wherein the first control unit is used for generating a first control signal clk and a second control signal clkclkAnd sending the first control signal CLK to the second control unit, and the second control unit receiving the first control signal CLK and then generating a third control signal CLK and a fourth control signal CLKFour control signalsCLK(ii) a The second control unit also receives signals of the second output end and the first output end, is used for calculating charging efficiency, and adjusts the third control signal CLK and the fourth control signal CLK according to the charging efficiencyCLKWhen the control timing is not required to be adjusted, the adjusted third control signal CLK and the adjusted fourth control signal CLK are directly usedCLKAnd sending the data to a second-stage charging unit, generating an adjusting coefficient when the control time sequence needs to be adjusted, and sending the adjusting coefficient to the first control unit.
The invention has the beneficial effects that: the high-efficiency charging module is arranged for the electronic equipment, so that the high-efficiency power supply can be performed for the battery in the electronic equipment, the safety of the electronic equipment is ensured, and the service life of the electronic equipment is prolonged. One of the main improvements of the present invention is to provide a high-efficiency charging module, in which two stages of charging units are provided, the battery voltage meeting the requirement of the electronic equipment is provided by the cooperation of the two stages of different charging units, as another improvement of the invention, the two stages of charging units are controlled by four control signals to meet the requirement of high-efficiency charging of the battery, the four control signals are mutually related, the charging control signal of the subsequent stage is adjusted by the charging control signal of the previous stage and the voltage output to the battery, the method has the advantages that the battery temperature is prevented from being overhigh in the charging process in a multi-step control signal adjusting mode, the gain value of the later-stage charging unit is adjusted firstly, then the control time sequence of the charging unit is adjusted, the charging control signal of the electronic equipment is adjusted by always taking the charging efficiency and the battery temperature as the reference, 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, two control units are provided, the two control units communicate with each other according to the requirement of the control signal, the first control unit sends the first control signal to the second control unit as the reference of the control signal of the second control unit, and the second control unit selectively feeds back the adjustment coefficient to the first control unit according to the adjustment control requirement, which is helpful for the coordination control between the charging units.
Drawings
Fig. 1 is a schematic diagram of an electronic device for efficient charging according to the present invention.
Fig. 2 is a schematic diagram of the high-efficiency 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 schematic diagram of an electronic device with high-efficiency charging disclosed by the present invention includes a control module, an input interface, a battery, and a high-efficiency charging module, where the control module outputs four control signals to control the high-efficiency charging module to charge the battery of the electronic device, and the control module is connected to the input interface and an input end of the battery, and is configured to detect and determine a charging efficiency of the high-efficiency charging module, and adjust at least one of the four control signals according to the charging efficiency.
The electronic equipment with high charging efficiency is characterized in that the input interface is a type c interface, and the battery is a lithium ion battery.
Fig. 2 is a schematic diagram of the high-efficiency charging module according to the present invention. The high-efficiency charging module comprises two stages of charging units which are respectively a first stage charging unit and a second stage charging unit, and the four paths of control signals are respectively a first control signal clk and a second control signal clkclkA third control signal CLK, a fourth control signalCLKThe 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 charging of the second stage, 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 signalclkAdjustment of the value ofIts specific gain value.
The electronic device with high charging efficiency comprises a first control signal CLK, a third control signal CLK, a second control signal CLK, a third control signal CLK, a fourth control signal CLK, a fifth control signal CLK and a sixth control signal CLKclkAnd 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 to both the high level and the low level of (c).
The first-stage charging unit comprises switching tubes M1-M11 and capacitors C1-C5, wherein the controllable end of the switching tube M1 is respectively connected with 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 one end of the capacitor C1, the input interface is also connected with the first input end of the control module, the other non-controllable end of the switching tube M1 is respectively connected with the other non-controllable end of the switching tube M2, the controllable end of the switching tube M5, a non-controllable end of the switching tube M5 and a non-controllable end of the switching tube M6, a non-controllable end of the switching tube M7, a non-controllable end of the switching tube M9, a non-controllable end of the switching tube M10 and one end of the capacitor C2, and the controllable end of the switching tube M2 is connected with the non-controllable end of the switching tube M3 and the non-controllable end of the switching tube C4; 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 end of the capacitor C5 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 and the controllable end of the switch tube M9, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected to the other non-controllable end of the switch tube M9, the other non-controllable end of the switch tube M10, 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 moduleclkOutput ofAnd the other end of the capacitor C5 is grounded, and one end of the capacitor C5 is connected with the second-stage charging unit.
The high-efficiency charging electronic device comprises a second-stage charging unit and a second-stage charging unit, wherein the second-stage charging unit comprises a switching tube M12-M20, a capacitor C6-C10 and a resistor R1, a non-controllable end of the switching tube M12 and a non-controllable end of the switching tube M16 are connected with one end of the capacitor C5, a controllable end of the switching tube M12 is connected with the other non-controllable end of the switching tube M16, the other non-controllable end of the switching tube M12 is respectively connected with one end of a capacitor C6, a controllable end of the switching tube M16 and a non-controllable end of the switching tube M13, and the other end of the capacitor C6 is connected with an 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; one 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 M15 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, and 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 and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M15 is respectively connected with one non-controllable end of the switch tube M18, one end of the capacitor C8 and one end of the resistor R1, and the other end of the capacitor C8 and the other end of the resistor R1 are grounded; 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 non-controllable end of the switch tube M15 is respectively connected with the battery and the second input end of the control module.
The high-efficiency charging electronic device is characterized in that the second input end of the control module receives the output voltage of the high-efficiency charging module, and the first input end of the control moduleReceiving an input voltage of the high-efficiency charging module, calculating a charging efficiency of the high-efficiency charging module according to the received output voltage and the input voltage by the control module, and generating an output 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 signalCLKThen detecting the temperature of the electronic device, judging whether the temperature exceeds a first temperature threshold and is smaller than a second temperature threshold, if so, adjusting the first combination signal to the third control signal CLK and the fourth control signal CLKCLKIf the gain value is not larger than the preset value, the high-efficiency charging module is controlled according to the first adjustment combined signal; judging whether the temperature exceeds a second temperature threshold and is smaller than a third temperature threshold, and if so, adjusting a third control signal CLK and a fourth control signal CLK of the combined signalCLKThe gain value of (a) is reduced to zero; stopping sending the first control signal clk and the second control signal if the temperature exceeds a third temperature thresholdclkA third control signal CLK, a fourth control signalCLK。
In the electronic device with high charging efficiency, the generating manner of the first adjustment combination signal includes: calculating the charging efficiency, judging whether the temperature of the battery is smaller than a first temperature threshold value for the first time, and if so, increasing the first control signal clk and the second control signal clkclkA third control signal CLK, a fourth control signalCLKUntil reaching the maximum control time sequence, then judging whether the temperature of the battery is smaller than the first temperature threshold for the second time, if so, setting a fixed step length, and increasing the third control signal CLK and the fourth control signal CLK according to the fixed step lengthCLKAnd detecting whether the temperature of the primary battery is smaller than a first temperature threshold value every time the gain value is increased, if so, increasing the fixed step length, and if not, reducing one fixed step length to serve as the final gain value.
The electronic device for high-efficiency charging comprises a control module and a charging moduleA control unit and a second control unit, the first control unit is used for generating a first control signal clk and a second control signal clkclkAnd sending the first control signal CLK to the second control unit, and the second control unit receiving the first control signal CLK and then generating a third control signal CLK and a fourth control signal CLKCLK(ii) a The second control unit also receives signals of the second output end and the first output end, is used for calculating charging efficiency, and adjusts the third control signal CLK and the fourth control signal CLK according to the charging efficiencyCLKWhen the control timing is not required to be adjusted, the adjusted third control signal CLK and the adjusted fourth control signal CLK are directly usedCLKAnd sending the data to a second-stage charging unit, generating an adjusting coefficient when the control time sequence needs to be adjusted, and sending the adjusting coefficient to the first control unit.
The invention has the beneficial effects that: the high-efficiency charging module is arranged for the electronic equipment, so that the high-efficiency power supply can be performed for the battery in the electronic equipment, the safety of the electronic equipment is ensured, and the service life of the electronic equipment is prolonged. One of the main improvements of the present invention is to provide a high-efficiency charging module, in which two stages of charging units are provided, the battery voltage meeting the requirement of the electronic equipment is provided by the cooperation of the two stages of different charging units, as another improvement of the invention, the two stages of charging units are controlled by four control signals to meet the requirement of high-efficiency charging of the battery, the four control signals are mutually related, the charging control signal of the subsequent stage is adjusted by the charging control signal of the previous stage and the voltage output to the battery, the method has the advantages that the battery temperature is prevented from being overhigh in the charging process in a multi-step control signal adjusting mode, the gain value of the later-stage charging unit is adjusted firstly, then the control time sequence of the charging unit is adjusted, the charging control signal of the electronic equipment is adjusted by always taking the charging efficiency and the battery temperature as the reference, 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, two control units are provided, the two control units communicate with each other according to the requirement of the control signal, the first control unit sends the first control signal to the second control unit as the reference of the control signal of the second control unit, and the second control unit selectively feeds back the adjustment coefficient to the first control unit according to the adjustment control requirement, which is helpful for the coordination control between the charging units.
Claims (9)
1. The utility model provides an electronic equipment that high efficiency was charged, its characterized in that, includes control module, input interface, battery, the high-efficient module of charging, control module output four ways control signal, control the high-efficient module of charging is right electronic equipment's battery charges, control module connect the input interface with the input of battery for detect and judge the charge efficiency of high-efficient module of charging, according to charge efficiency, adjust four ways control signal's at least all the way.
2. The efficient charging electronic device of claim 1, wherein the input interface is a type c interface and the battery is a lithium ion battery.
3. The high-efficiency charging electronic device as claimed in claim 2, wherein the high-efficiency charging module comprises two stages of charging units, namely a first stage charging unit and a second stage charging unit, respectively, and the four control signals are a first control signal clk and a second control signal clk respectivelyclkA third control signal CLK, a fourth control signalCLKThe 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 charging of the second stage, 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 signalclkAdjusts its specific gain value.
4. A high efficiency charging electronic device as recited in claim 3,wherein the first control signal CLK and the third control signal CLK have the same control timing, and the second control signal CLK is the same control timingclkAnd 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 to both the high level and the low level of (c).
5. The electronic device for high-efficiency charging according to claim 4, wherein the first-stage charging unit comprises a switch transistor M1-M11 and a capacitor C1-C5, the controllable terminal of the switch transistor M1 is connected to the input interface, a non-controllable terminal of the switch transistor M1, a non-controllable terminal of the switch transistor M2, a non-controllable terminal of the switch transistor M3 and a terminal 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 end of the capacitor C5 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 and the controllable end of the switch tube M9, the controllable end of the switch tube M7 and the controllable end of the switch tube M8 are connected to the other non-controllable end of the switch tube M9, the other non-controllable end of the switch tube M10, 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 the other end of the capacitor C5 is grounded, and one end of the capacitor C5 is connected with the second-stage charging unit.
6. The electronic device according to claim 5, wherein the second stage charging unit comprises a switch transistor M12-M20, a capacitor C6-C10, a resistor R1, a non-controllable terminal of the switch transistor M12 and a non-controllable terminal of the switch transistor M16 connected to one terminal of the capacitor C5, a controllable terminal of the switch transistor M12 connected to the other non-controllable terminal of the switch transistor M16, the other non-controllable terminal of the switch transistor M12 connected to one terminal of a capacitor C6, a controllable terminal of the switch transistor M16 and a non-controllable terminal of the switch transistor M13, and the other terminal of the capacitor C6 connected to the output terminal 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; one 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 M15 is connected to the other non-controllable end of the switch tube M17 and the controllable end of the switch tube M15, respectively, and 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 and the controllable end of the switch tube M18, respectively; the other non-control end of the switch tube M15 is respectively connected with one non-controllable end of the switch tube M18, one end of the capacitor C8 and one end of the resistor R1, and the other end of the capacitor C8 and the other end of the resistor R1 are grounded; 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 non-controllable end of the switch tube M15 is respectively connected with the battery and the second input end of the control module.
7. As claimed in claimThe high-efficiency charging electronic device of claim 6, wherein the second input terminal of the control module receives the output voltage of the high-efficiency charging module, the first input terminal of the control module receives the input voltage of the high-efficiency charging module, the control module calculates the charging efficiency of the high-efficiency charging module according to the received output voltage and input voltage, and generates a first adjusting combination signal according to the charging efficiency, where the first adjusting combination signal is a first control signal clk and a second control signal clkclkA third control signal CLK, a fourth control signalCLKThen detecting the temperature of the electronic device, judging whether the temperature exceeds a first temperature threshold and is smaller than a second temperature threshold, if so, adjusting the first combination signal to the third control signal CLK and the fourth control signal CLKCLKIf the gain value is not larger than the preset value, the high-efficiency charging module is controlled according to the first adjustment combined signal; judging whether the temperature exceeds a second temperature threshold and is smaller than a third temperature threshold, and if so, adjusting a third control signal CLK and a fourth control signal CLK of the combined signalCLKThe gain value of (a) is reduced to zero; stopping sending the first control signal clk and the second control signal if the temperature exceeds a third temperature thresholdclkA third control signal CLK, a fourth control signalCLK。
8. The efficient charging electronic device of claim 7, wherein the first adjusted combined signal is generated in a manner comprising: calculating the charging efficiency, judging whether the temperature of the battery is smaller than a first temperature threshold value for the first time, and if so, increasing the first control signal clk and the second control signal clkclkA third control signal CLK, a fourth control signalCLKUntil reaching the maximum control time sequence, then judging whether the temperature of the battery is smaller than the first temperature threshold for the second time, if so, setting a fixed step length, and increasing the third control signal CLK and the fourth control signal CLK according to the fixed step lengthCLKEach time the gain value of (1) is increased, the battery is detected onceIf the temperature of (a) is less than the first temperature threshold, increasing the fixed step size if the temperature of (a) is less than the first temperature threshold, and decreasing the fixed step size if the temperature of (a) is not less than the first temperature threshold as the final gain value.
9. The efficient charging electronic device of claim 7, wherein the control module comprises a first control unit and a second control unit, the first control unit to generate a first control signal clk, a second control signal clkclkAnd sending the first control signal CLK to the second control unit, and the second control unit receiving the first control signal CLK and then generating a third control signal CLK and a fourth control signal CLKCLK(ii) a The second control unit also receives signals of the second output end and the first output end, is used for calculating charging efficiency, and adjusts the third control signal CLK and the fourth control signal CLK according to the charging efficiencyCLKWhen the control timing is not required to be adjusted, the adjusted third control signal CLK and the adjusted fourth control signal CLK are directly usedCLKAnd sending the data to a second-stage charging unit, generating an adjusting coefficient when the control time sequence needs to be adjusted, and sending the adjusting coefficient to the first control unit.
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