CN110620417A - Flyback current mode PWM control charging system and charging method - Google Patents
Flyback current mode PWM control charging system and charging method Download PDFInfo
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Abstract
The invention discloses a flyback current mode PWM control charging system and a method, which comprises the following processes: when the rectification filter circuit is connected with commercial power and then carries out rectification and filtering processing, the flyback current mode PWM controller is electrified, an alternating current signal is output through the I/O of the MCU controller and loaded at two ends of the storage battery, after the MCU controller calculates the internal resistance of the storage battery, a corresponding current value parameter is selected according to the internal resistance value and is transmitted to the flyback current mode PWM controller as an adjusting signal, then the current value output to the storage battery by the transformer and the output circuit is adjusted, after charging is finished, the MCU controller carries out sampling test on the storage battery, after the test is qualified, the storage battery is tested and analyzed again, an analysis result is generated, and the charging process is finished. The invention ensures that the storage battery obtains the optimal charging process by continuously adjusting the charging mode, thereby prolonging the service life of the storage battery, improving the charging efficiency and better meeting the application requirement.
Description
Technical Field
The invention relates to a storage battery charging system, in particular to a flyback current mode PWM control charging system and a charging method.
Background
In the existing storage battery charging system, a constant-current constant-voltage mode is mostly adopted for charging, although the charging mode is simple in control method and easy in implementation process, the optimal charging process of the battery cannot be guaranteed, and under the condition of long-term use, the charging efficiency is low, the service life of the storage battery is influenced, and the current application requirements are difficult to meet.
Disclosure of Invention
The present invention provides a flyback current mode PWM controlled charging system and a charging method, which can ensure that the optimal charging process of the storage battery is obtained by continuously adjusting the charging mode, thereby prolonging the service life of the storage battery and improving the charging efficiency, in view of the deficiencies of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme.
A flyback current mode PWM control charging system comprises: the rectification filter circuit is used for rectifying and filtering the mains supply signal connected to the rectification filter circuit; the transformer and the output circuit are connected with the rectifying and filtering circuit and are used for outputting corresponding current values according to the accessed driving signals; the 8-section charging mode control circuit is connected between the transformer and the output circuit and the storage battery, the 8-section charging mode control circuit comprises 8 charging modes, and the 8-section charging mode control circuit is used for converting the current output by the transformer and the output circuit into a corresponding charging mode according to an accessed control instruction and loading the current to the storage battery so as to charge the storage battery in the corresponding charging mode; the charging mode ADC sampling circuit is connected to the storage battery and is used for ADC sampling of an output signal of the storage battery; the 8-section charging mode control circuit and the charging mode ADC sampling circuit are respectively connected to the MCU controller, and the MCU controller is used for processing the sampling signal output by the charging mode ADC sampling circuit, outputting a control instruction and an adjustment signal and transmitting the control instruction to the 8-section charging mode control circuit; and the flyback current mode PWM controller is used for processing the adjusting signal output by the MCU controller to generate a driving signal and transmitting the driving signal to the transformer and the output circuit.
Preferably, a PWM controller power supply is connected between the rectifying and filtering circuit and the flyback current mode PWM controller, and the PWM controller power supply is configured to convert an electrical signal of the rectifying and filtering circuit into a power signal that can be used for powering up the flyback current mode PWM controller.
Preferably, a PWM adjustment current output control circuit is connected between the MCU controller and the flyback current mode PWM controller, and transmits an adjustment signal output by the MCU controller to the flyback current mode PWM controller.
Preferably, a transformer output control circuit is connected between the flyback current mode PWM controller and the transformer and the output circuit, and the transformer output control circuit is configured to transmit the driving signal output by the flyback current mode PWM controller to the transformer and the output circuit.
Preferably, a fixed-frequency alternating current signal output circuit is connected between the MCU controller and the storage battery, and the MCU controller loads fixed-frequency alternating current signals to both ends of the storage battery through the fixed-frequency alternating current signal output circuit.
Preferably, an alternating current signal sampling and amplifying circuit is connected between the storage battery and the MCU controller, and the alternating current signal sampling and amplifying circuit is used for sampling alternating current signals loaded at two ends of the storage battery by the MCU controller and feeding the sampled alternating current signals back to the MCU controller.
Preferably, the MCU controller is connected to a key unit and a display unit for displaying data, and the key unit is used for inputting instructions to the MCU controller.
Preferably, the flyback current mode PWM controller includes a power supply control IC of model number NCP 1252A.
Preferably, an MCU power supply is connected between the transformer and the output circuit and the MCU controller, and the MCU power supply is configured to convert the electric energy output by the transformer and the output circuit into a power signal that can power the MCU controller.
A flyback current mode PWM control charging method is realized based on a charging system, the system comprises a rectifying filter circuit, a transformer and an output circuit, an 8-section charging mode control circuit, a charging mode ADC sampling circuit, an MCU controller, a flyback current mode PWM controller, a PWM controller power supply, a PWM adjustment current output control circuit, a transformer output control circuit, a fixed frequency alternating current signal output circuit, an alternating current signal sampling amplification circuit, a key unit and a display unit, and the method comprises the following processes: when the rectification filter circuit is connected with commercial power and then carries out rectification and filtering processing, the flyback current mode PWM controller is electrified and drives the transformer and the output circuit to output preset initial voltage; after the MCU controller is electrified and initialized, waiting for the key unit to key in an instruction, automatically checking whether the MCU controller is connected with a storage battery or not through the fixed-frequency alternating current signal output circuit and the alternating current signal sampling amplification circuit within preset time, if the MCU controller is not connected, waiting for connection, if the MCU controller is connected, outputting alternating current signals to be loaded at two ends of the storage battery through the I/O of the MCU controller, simultaneously amplifying feedback signals by the alternating current signal sampling amplification circuit and feeding the feedback signals back to the MCU controller, after the MCU controller calculates the internal resistance of the storage battery, selecting corresponding current value parameters according to the internal resistance value and transmitting the current value parameters to the flyback current mode PWM controller as adjusting signals, and further adjusting the current value output to the storage battery by the transformer and the output circuit until the charging system enters a constant current mode, And after the charging is finished, disconnecting the charging system from the storage battery, waiting for the current and voltage of the storage battery to be stable, sampling and testing the storage battery by the MCU controller, if the testing is unqualified, utilizing the 8-section charging mode control circuit to adjust the charging mode and then restoring and charging, if the testing is qualified, entering a floating charging and devulcanizing charging mode, and after the charging is finished, testing and analyzing the storage battery again by the MCU controller to generate an analysis result and finish the charging process.
The invention discloses a flyback current mode PWM control charging system, in the working process, when a rectifying filter circuit is connected with commercial power and then carries out rectification and filtering processing, a flyback current mode PWM controller is electrified and drives a transformer and an output circuit to output preset initial voltage, after an MCU controller is electrified and initialized, if the charging system is connected with a storage battery, an alternating current signal is output through I/O of the MCU controller and loaded at two ends of the storage battery, meanwhile, an alternating current signal sampling and amplifying circuit amplifies a feedback signal and then feeds the feedback signal back to the MCU controller, after the MCU controller calculates the internal resistance of the storage battery, the corresponding current value parameter is selected according to the internal resistance value and is transmitted to the flyback current mode PWM controller as an adjusting signal, and then the current value output by the transformer and the output circuit to the storage battery is adjusted, and when the charging system enters a constant-current and constant-voltage charging state, the MCU controller performs sampling test on the storage battery after the charging is finished, and after the test is qualified, the storage battery is tested and analyzed again to generate an analysis result and finish the charging process. Compared with the prior art, the charging method and the charging device ensure that the storage battery obtains the optimal charging process by continuously adjusting the charging mode, further prolong the service life of the storage battery, improve the charging efficiency and better meet the application requirements.
Drawings
Fig. 1 is a block diagram of a flyback current mode PWM controlled charging system according to the present invention.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
The invention discloses a flyback current mode PWM control charging system, please refer to FIG. 1, which includes:
the rectification filter circuit 1 is used for rectifying and filtering the mains supply signal accessed by the rectification filter circuit;
the transformer and output circuit 2 is connected with the rectifying and filtering circuit 1, and the transformer and output circuit 2 is used for outputting a corresponding current value according to a drive signal accessed by the transformer and output circuit;
the 8-section charging mode control circuit 3 is connected between the transformer and output circuit 2 and the storage battery 4, the 8-section charging mode control circuit 3 comprises 8 charging modes, and the 8-section charging mode control circuit 3 is used for converting the current output by the transformer and output circuit 2 into a corresponding charging mode according to a control instruction accessed by the 8-section charging mode control circuit and loading the current to the storage battery 4 so as to charge the storage battery 4 in the corresponding charging mode;
the charging mode ADC sampling circuit 5 is connected to the storage battery 4, and the charging mode ADC sampling circuit 5 is used for ADC sampling of an output signal of the storage battery 4;
the 8 sections of the charging mode control circuits 3 and the charging mode ADC sampling circuits 5 are respectively connected to the MCU controller 6, and the MCU controller 6 is used for processing the sampling signals output by the charging mode ADC sampling circuits 5, outputting control instructions and adjusting signals and transmitting the control instructions to the 8 sections of the charging mode control circuits 3;
and the flyback current mode PWM controller 7 is used for processing the adjusting signal output by the MCU controller 6 to generate a driving signal and transmitting the driving signal to the transformer and output circuit 2.
In the working process of the system, after the rectifying and filtering circuit 1 is connected with commercial power and then carries out rectifying and filtering processing, the flyback current mode PWM controller 7 is electrified and drives the transformer and the output circuit 2 to output preset initial voltage, after the MCU controller 6 is electrified and initialized, if a charging system is connected with the storage battery 4, alternating current signals are output through the I/O of the MCU controller 6 and loaded at two ends of the storage battery 4, meanwhile, the alternating current signal sampling and amplifying circuit 12 amplifies feedback signals and then feeds the feedback signals back to the MCU controller 6, after the MCU controller 6 calculates the internal resistance of the storage battery 4, corresponding current value parameters are selected according to the internal resistance value and are transmitted to the flyback current mode PWM controller 7 as adjusting signals, and then the current value output by the transformer and the output circuit 2 to the storage battery 4 is adjusted, and when the charging system enters a constant-current and constant-voltage charging state, the MCU controller 6 performs sampling test on the storage battery 4 after the charging is finished, and after the test is qualified, the storage battery 4 is tested and analyzed again to generate an analysis result and finish the charging process. Compared with the prior art, the charging method and the charging device ensure that the storage battery obtains the optimal charging process by continuously adjusting the charging mode, further prolong the service life of the storage battery, improve the charging efficiency and better meet the application requirements.
As a preferable mode, a PWM controller power supply 8 is connected between the rectifying and filtering circuit 1 and the flyback current mode PWM controller 7, and the PWM controller power supply 8 is configured to convert an electrical signal of the rectifying and filtering circuit 1 into a power supply signal for powering on the flyback current mode PWM controller 7.
In this embodiment, a PWM adjustment current output control circuit 9 is connected between the MCU controller 6 and the flyback current mode PWM controller 7, and the PWM adjustment current output control circuit 9 transmits an adjustment signal output by the MCU controller 6 to the flyback current mode PWM controller 7.
Further, a transformer output control circuit 10 is connected between the flyback current mode PWM controller 7 and the transformer and output circuit 2, and the transformer output control circuit 10 is configured to transmit the driving signal output by the flyback current mode PWM controller 7 to the transformer and output circuit 2.
As a preferable mode, a fixed frequency ac signal output circuit 11 is connected between the MCU controller 6 and the storage battery 4, and the MCU controller 6 loads ac signals of fixed frequency to both ends of the storage battery 4 through the fixed frequency ac signal output circuit 11.
In this embodiment, an alternating current signal sampling and amplifying circuit 12 is connected between the storage battery 4 and the MCU controller 6, and the alternating current signal sampling and amplifying circuit 12 is configured to sample the alternating current signals loaded at the two ends of the storage battery 4 by the MCU controller 6 and then feed back the sampled alternating current signals to the MCU controller 6.
The present embodiment further has a human-computer interaction function, specifically, the MCU controller 6 is connected to a key unit 13 and a display unit 14 for displaying data, and the key unit 13 is used for inputting instructions to the MCU controller 6.
Preferably, the flyback current mode PWM controller 7 includes a power supply control IC of the type NCP 1252A.
In order to realize the power-on of the MCU controller, in this embodiment, an MCU power supply 15 is connected between the transformer and output circuit 2 and the MCU controller 6, and the MCU power supply 15 is configured to convert the electric energy output by the transformer and output circuit 2 into a power signal that can be used to power the MCU controller 6.
In order to better describe the technical scheme of the present invention, the present invention also discloses a flyback current mode PWM control charging method, please refer to fig. 1, the method is implemented based on a charging system, the system includes a rectifying filter circuit 1, a transformer and output circuit 2, an 8-segment charging mode control circuit 3, a charging mode ADC sampling circuit 5, an MCU controller 6, a flyback current mode PWM controller 7, a PWM controller power supply 8, a PWM regulated current output control circuit 9, a transformer output control circuit 10, a fixed frequency ac signal output circuit 11, an ac signal sampling amplification circuit 12, a key unit 13 and a display unit 14, the method includes the following processes:
when the rectification filter circuit 1 is connected with commercial power and then carries out rectification and filtering processing, the flyback current mode PWM controller 7 is powered on and drives the transformer and the output circuit 2 to output preset initial voltage;
after the MCU controller 6 is powered on and initialized, waiting for the key unit 13 to enter an instruction, automatically checking whether the MCU controller is connected to the storage battery 4 through the fixed frequency ac signal output circuit 11 and the ac signal sampling and amplifying circuit 12 within a preset time, if the MCU controller is not connected, waiting for connection, if the MCU controller is connected, outputting ac signals through the I/O of the MCU controller 6 to load the ac signals on both ends of the storage battery 4, and the ac signal sampling and amplifying circuit 12 amplifies feedback signals and feeds the amplified feedback signals back to the MCU controller 6, after calculating the internal resistance of the storage battery 4, the MCU controller 6 selects corresponding current value parameters according to the internal resistance value and transmits the current value parameters as an adjustment signal to the flyback current mode PWM controller 7, thereby adjusting the current value output from the transformer and output circuit 2 to the storage battery 4, until the charging system enters a constant-current and constant-voltage charging state, after charging is finished, the charging system is disconnected from the storage battery 4, after the current and the voltage of the storage battery 4 are stabilized, the MCU controller 6 performs sampling test on the storage battery 4, if the test is unqualified, the storage battery 4 is repaired and charged after the charging mode is adjusted by the 8-section charging mode control circuit 3, if the test is qualified, a floating charging and devulcanizing charging mode is entered, after the charging is finished, the MCU controller 6 performs test analysis on the storage battery 4 again, generates an analysis result and finishes the charging process.
In a preferred embodiment, the following embodiments can be referred to for the flyback current mode PWM control charging system and the charging method disclosed in the present invention:
example one
When a charger AC plug is connected with a mains supply and is cleaned up in a bridge mode, a capacitor filters the AC plug to supply power to a power supply end VCC of NCP1252A for 8-28v, when the VCC reaches a VCC (0) threshold value, an SSDELAY soft start timer inside the charger starts to work for automatic delay 120MS, after the delay is finished, when the voltage of a BO undervoltage input pin of the charger AC plug reaches a BO (0) threshold value, the charger AC plug starts to start soft start, a DRV driving output pin starts to control a transformer to output DC voltage to rise, when the working voltage of an MCU is reached, a main controller starts to power on to initialize an I/O port, and simultaneously controls an amplifying circuit of the charger to output and feed back to an FB FEEDBACK (feedback) pin of the NCP1252A of an input end through an optical coupler, and. When the MUC is powered on and the initialization is finished, the LCD is driven, after the LED displays the indication, the key input is waited, if the input is automatically checked whether the charger is linked with the battery or not within 30 seconds, if the charger is not linked, the charger is waited, the charger is connected, an I/O output alternating current signal is applied to two ends of the battery, meanwhile, an alternating current output circuit amplifies a weak feedback signal in an amplifying circuit and inputs the amplified signal to the MCU, after the MUC calculates the internal resistance of the battery, a control waveform corresponding to a preset optimal current value is selected according to the internal resistance value and fed back to a front-end controller, and then the current output to the battery by the transformer is adjusted to be. And the charger starts to enter a constant current and charge at a constant voltage, after the constant current and the constant voltage are charged, the connection between the charger and the storage battery is disconnected, the battery is started to be tested after the battery is stabilized after the connection is waited for 90 seconds, if the test is unqualified, the battery enters a next repairing charging mode, otherwise, the battery directly enters a floating charging and devulcanizing mode, the battery is analyzed again after the charging is finished, and the whole charging process is evaluated and finished.
Compared with the prior art, the invention adopts the power supply control IC NCP1252A produced by the company of ON (ON semiconductor) and designs the charging system controlled by the flyback current mode PWM. Meanwhile, the invention adopts a method of inputting AC signals with certain frequency to the two ends of the storage battery to accurately calculate the internal resistance of the storage battery, automatically calculates the batteries with different capacities through the difference of the internal resistances of the batteries and distributes the charging current most suitable for the batteries to complete the charging process. The invention analyzes the change of the internal resistance of the storage battery before charging, during and after charging except that the charging mode is 8 short sections, thereby continuously adjusting the charging current, ensuring that the battery obtains the optimal charging process and further prolonging the service life of the battery. In addition, the charging current can be output at any value within the range of 1-8A through software, and further various application requirements are met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. A flyback current mode PWM control charging system is characterized by comprising:
the rectification filter circuit (1) is used for rectifying and filtering the mains supply signal accessed by the rectification filter circuit;
the transformer and output circuit (2) is connected with the rectifying and filtering circuit (1), and the transformer and output circuit (2) is used for outputting a corresponding current value according to a drive signal connected to the transformer and output circuit;
the 8-section charging mode control circuit (3) is connected between the transformer and output circuit (2) and the storage battery (4), the 8-section charging mode control circuit (3) comprises 8 charging modes, and the 8-section charging mode control circuit (3) is used for converting the current output by the transformer and output circuit (2) into a corresponding charging mode according to a control instruction accessed by the 8-section charging mode control circuit and loading the current to the storage battery (4) so as to charge the storage battery (4) in the corresponding charging mode;
the charging mode ADC sampling circuit (5) is connected to the storage battery (4), and the charging mode ADC sampling circuit (5) is used for ADC sampling of an output signal of the storage battery (4);
the charging mode control circuit comprises an MCU controller (6), the 8 sections of charging mode control circuits (3) and a charging mode ADC sampling circuit (5) are respectively connected to the MCU controller (6), and the MCU controller (6) is used for processing sampling signals output by the charging mode ADC sampling circuit (5), outputting control instructions and adjusting signals and transmitting the control instructions to the 8 sections of charging mode control circuits (3);
and the flyback current mode PWM controller (7) is used for processing the adjusting signal output by the MCU controller (6) and then generating a driving signal, and transmitting the driving signal to the transformer and the output circuit (2).
2. The flyback current mode PWM controlled charging system according to claim 1, wherein a PWM controller power supply (8) is connected between the rectifying and filtering circuit (1) and the flyback current mode PWM controller (7), and the PWM controller power supply (8) is configured to convert the electrical signal of the rectifying and filtering circuit (1) into a power signal for powering up the flyback current mode PWM controller (7).
3. The flyback current mode PWM controlled charging system according to claim 1, wherein a PWM regulated current output control circuit (9) is connected between the MCU controller (6) and the flyback current mode PWM controller (7), and the PWM regulated current output control circuit (9) transmits the regulation signal outputted from the MCU controller (6) to the flyback current mode PWM controller (7).
4. The flyback current mode PWM controlled charging system according to claim 1, wherein a transformer output control circuit (10) is connected between the flyback current mode PWM controller (7) and the transformer and output circuit (2), and the transformer output control circuit (10) is configured to transmit the driving signal output by the flyback current mode PWM controller (7) to the transformer and output circuit (2).
5. The flyback current-mode PWM-controlled charging system according to claim 1, wherein a fixed-frequency ac signal output circuit (11) is connected between the MCU controller (6) and the battery (4), and the MCU controller (6) loads a fixed-frequency ac signal to both ends of the battery (4) through the fixed-frequency ac signal output circuit (11).
6. The flyback current-mode PWM-controlled charging system according to claim 5, wherein an ac signal sampling and amplifying circuit (12) is connected between the battery (4) and the MCU controller (6), and the ac signal sampling and amplifying circuit (12) is configured to sample the ac signal applied to both ends of the battery (4) by the MCU controller (6) and feed back the sampled ac signal to the MCU controller (6).
7. The flyback current-mode PWM-controlled charging system according to claim 1, characterized in that a key unit (13) and a display unit (14) for displaying data are connected to the MCU controller (6), the key unit (13) being used to enter commands to the MCU controller (6).
8. The flyback current mode PWM controlled charging system as claimed in claim 1, characterized in that the flyback current mode PWM controller (7) comprises a power supply control IC of type NCP 1252A.
9. The flyback current-mode PWM-controlled charging system according to claim 1, wherein an MCU power supply (15) is connected between the transformer and output circuit (2) and the MCU controller (6), and the MCU power supply (15) is configured to convert the electric energy output by the transformer and output circuit (2) into a power signal for powering on the MCU controller (6).
10. The flyback current mode PWM control charging method is characterized by being realized based on a charging system, the system comprises a rectifying filter circuit (1), a transformer and output circuit (2), an 8-section charging mode control circuit (3), a charging mode ADC sampling circuit (5), an MCU controller (6), a flyback current mode PWM controller (7), a PWM controller power supply (8), a PWM regulation current output control circuit (9), a transformer output control circuit (10), a fixed-frequency alternating current signal output circuit (11), an alternating current signal sampling amplification circuit (12), a key unit (13) and a display unit (14), and the method comprises the following processes:
when the rectification filter circuit (1) is connected with commercial power and then carries out rectification and filtering processing, the flyback current mode PWM controller (7) is powered on and drives the transformer and the output circuit (2) to output preset initial voltage;
after the MCU controller (6) is electrified and initialized, waiting for the key unit (13) to input an instruction, automatically checking whether the key unit is connected with the storage battery (4) or not through the fixed-frequency alternating current signal output circuit (11) and the alternating current signal sampling amplification circuit (12) within a preset time, if not, waiting for connection, if the key unit is connected, outputting an alternating current signal to be loaded at two ends of the storage battery (4) through I/O of the MCU controller (6), simultaneously amplifying a feedback signal by the alternating current signal sampling amplification circuit (12) and feeding the feedback signal back to the MCU controller (6), after the MCU controller (6) calculates the internal resistance of the storage battery (4), selecting a corresponding current value parameter according to the internal resistance value and transmitting the current value parameter as an adjusting signal to the flyback current mode PWM controller (7) so as to adjust the current value output from the transformer and the output circuit (2) to the storage battery (4), until the charging system enters a constant-current and constant-voltage charging state, after charging is finished, the charging system is disconnected from the storage battery (4), after the current and the voltage of the storage battery (4) are stabilized, the MCU controller (6) performs sampling test on the storage battery (4), if the test is unqualified, the 8-section charging mode control circuit (3) is used for adjusting the charging mode and then performing restoration charging, if the test is qualified, a floating charging and devulcanization charging mode is entered, after the charging is finished, the MCU controller (6) performs test analysis on the storage battery (4) again, generates an analysis result and finishes the charging process.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531833A (en) * | 2020-11-27 | 2021-03-19 | 江西百盈高新技术股份有限公司 | Charger capable of adjusting and repairing charging parameters according to internal resistance of battery |
| CN114625045A (en) * | 2022-03-15 | 2022-06-14 | 广东汇芯半导体有限公司 | HVIC chip with programmable drive |
| CN115986880A (en) * | 2023-01-06 | 2023-04-18 | 中国铁塔股份有限公司 | Charging method and charging circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583879A (en) * | 1991-09-18 | 1993-04-02 | Shin Kobe Electric Mach Co Ltd | Storage battery charging method and charging device |
| CN102082458A (en) * | 2010-12-31 | 2011-06-01 | 易事特电力系统技术有限公司 | Inverter intelligent charging control method |
| CN103199600A (en) * | 2013-04-03 | 2013-07-10 | 深圳市晶福源电子技术有限公司 | Charge control circuit and charge control method |
| CN107124029A (en) * | 2017-07-05 | 2017-09-01 | 保力新能源科技(东莞)有限公司 | Charger |
| CN107332324A (en) * | 2017-08-29 | 2017-11-07 | 邢建强 | Charging electric car storage battery charge-discharge control system based on AC DC conversion equipments |
| CN109962518A (en) * | 2017-12-26 | 2019-07-02 | 辽宁汉普科技有限公司 | A kind of locomotive storage batteries status monitoring and intelligence control system |
-
2019
- 2019-10-02 CN CN201910946075.1A patent/CN110620417A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583879A (en) * | 1991-09-18 | 1993-04-02 | Shin Kobe Electric Mach Co Ltd | Storage battery charging method and charging device |
| CN102082458A (en) * | 2010-12-31 | 2011-06-01 | 易事特电力系统技术有限公司 | Inverter intelligent charging control method |
| CN103199600A (en) * | 2013-04-03 | 2013-07-10 | 深圳市晶福源电子技术有限公司 | Charge control circuit and charge control method |
| CN107124029A (en) * | 2017-07-05 | 2017-09-01 | 保力新能源科技(东莞)有限公司 | Charger |
| CN107332324A (en) * | 2017-08-29 | 2017-11-07 | 邢建强 | Charging electric car storage battery charge-discharge control system based on AC DC conversion equipments |
| CN109962518A (en) * | 2017-12-26 | 2019-07-02 | 辽宁汉普科技有限公司 | A kind of locomotive storage batteries status monitoring and intelligence control system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531833A (en) * | 2020-11-27 | 2021-03-19 | 江西百盈高新技术股份有限公司 | Charger capable of adjusting and repairing charging parameters according to internal resistance of battery |
| CN112531833B (en) * | 2020-11-27 | 2023-04-18 | 江西百盈高新技术股份有限公司 | Charger capable of adjusting and repairing charging parameters according to internal resistance of battery |
| CN114625045A (en) * | 2022-03-15 | 2022-06-14 | 广东汇芯半导体有限公司 | HVIC chip with programmable drive |
| CN115986880A (en) * | 2023-01-06 | 2023-04-18 | 中国铁塔股份有限公司 | Charging method and charging circuit |
| CN115986880B (en) * | 2023-01-06 | 2024-05-10 | 铁塔能源有限公司 | Charging method and charging circuit |
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Application publication date: 20191227 |