CN103595111A - Charging system using pulse width modulation signal to control storage battery - Google Patents
Charging system using pulse width modulation signal to control storage battery Download PDFInfo
- Publication number
- CN103595111A CN103595111A CN201310522325.1A CN201310522325A CN103595111A CN 103595111 A CN103595111 A CN 103595111A CN 201310522325 A CN201310522325 A CN 201310522325A CN 103595111 A CN103595111 A CN 103595111A
- Authority
- CN
- China
- Prior art keywords
- charging
- module
- circuit
- charging system
- storage battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a later master storage battery charging system, in particular to a charging system using a pulse width modulation signal to control a storage battery. The charging system using the pulse width modulation signal to control the storage battery comprises a DC/DC convertor, a drive circuit, a charging controller, a charging sampling circuit, a charging protection circuit, an LCD display module and an RS232 communication module. The DC/DC convertor is in communication with the drive circuit, the charging sampling circuit and the charging protection circuit. The charging controller is in communication with the drive circuit, the LCD display module, the RS232 communication module and the charging sampling circuit. The drive circuit is further in communication with the charging protection circuit. A power main circuit is of a topology structure of a double-barreled flyback converter. The digital control mode based on a single chip microcomputer MSP430F2274 is adopted. The multi-mode charging control strategy is adopted in the charging system, wherein the four modes include the activated charging mode, the large-current rapid charging mode, the overcharging mode and the float charging mode.
Description
Technical field
Total battery charging system after the present invention relates to, relates in particular to a kind of pulse width modulating signal (PWM) and controls solar storage battery charging system.
Background technology
Along with the aggravation of the day by day in short supply and environmental pollution of the energy, the pollution-free industries such as photovoltaic generation and electric automobile have become the focus that people pay close attention to.In these fields, lead acid accumulator is widely used as a kind of reusable energy storage device, but charging is the key issue that affects its useful life always.Therefore, this method is devoted to study and design a kind of quick, safe, intelligent battery charging system
Summary of the invention
Technique effect of the present invention can overcome above-mentioned defect, provides a kind of pulse width modulating signal to control battery charging system, its to charge in batteries can realize fast, safety, intelligence.
For achieving the above object, the present invention adopts following technical scheme: its pulse width modulating signal is controlled battery charging system, comprise DC/DC converter, drive circuit, charge controller, charging sample circuit, charge protector, LCD display module and RS232 communication module, DC/DC converter is communicated by letter with drive circuit, charging sample circuit, charge protector respectively, charge controller is communicated by letter with drive circuit, LCD display module, RS232 communication module, charging sample circuit respectively, and drive circuit is also communicated by letter with charge protector;
Described DC/DC converter, realizes charging system power conversion;
Described drive circuit, isolates amplification to the pwm signal of charge controller output, produces and meets the driving signal that power switch pipe normal operation requires;
Described charge controller, realizes the charging of the control of main circuit power switch pipe and storage battery is controlled; Described charging sample circuit, to the conditioning of sampling of the parameters such as input voltage, charging voltage, charging current and temperature;
Described charge protector, protects the input voltage of storage battery, charging voltage and charging current in the mode of hardware, prevents overcurrent and the overvoltage of storage battery, the operation of protection charging system;
Described display circuit, in charging process, shows the input voltage of storage battery, charging current, charging voltage and temperature parameter.
Described charge controller adopts MSP430F2274 model single-chip microcomputer.
MSP430F2274 model single-chip microcomputer comprises Timer/Counter module, digital PI adjustment module, data processing module, analog-to-digital conversion module, Timer/Counter module is electrically connected to drive circuit, Timer/Counter module is in turn by communicating by letter with analog-to-digital conversion module after digital PI adjustment module, data processing module, and analog-to-digital conversion module is electrically connected to charging sample circuit.
Charging sample circuit comprises input voltage sampling module, charging voltage sampling module, charging current sampling module, temperature sampling module.
Charge protector comprises input overvoltage protective module, output over-voltage protection module, output overcurrent protection module.
Power main circuit of the present invention adopts the topological structure of double-transistor flyback converter; Control mode employing is digital control based on single-chip microcomputer MSP430F2274's; Charging system adopts multi-mode charging control strategy, is respectively activating charge, large electric current quick charge, overcharges and four kinds of patterns of floating charge.
Accompanying drawing explanation
Fig. 1 is battery charging system general structure block diagram;
Fig. 2 is charge controller structure.
Embodiment
Pulse width modulating signal of the present invention is controlled battery charging system, comprise DC/DC converter, drive circuit, charge controller, charging sample circuit, charge protector, LCD display module and RS232 communication module, DC/DC converter is communicated by letter with drive circuit, charging sample circuit, charge protector respectively, charge controller is communicated by letter with drive circuit, LCD display module, RS232 communication module, charging sample circuit respectively, and drive circuit is also communicated by letter with charge protector;
Described DC/DC converter, realizes charging system power conversion;
Described drive circuit, isolates amplification to the pwm signal of charge controller output, produces and meets the driving signal that power switch pipe normal operation requires;
Described charge controller, realizes the charging of the control of main circuit power switch pipe and storage battery is controlled; Described charging sample circuit, to the conditioning of sampling of the parameters such as input voltage, charging voltage, charging current and temperature;
Described charge protector, protects the input voltage of storage battery, charging voltage and charging current in the mode of hardware, prevents overcurrent and the overvoltage of storage battery, the operation of protection charging system;
Described display circuit, in charging process, shows the input voltage of storage battery, charging current, charging voltage and temperature parameter.
Described charge controller adopts MSP430F2274 model single-chip microcomputer.
MSP430F2274 model single-chip microcomputer comprises Timer/Counter module, digital PI adjustment module, data processing module, analog-to-digital conversion module, Timer/Counter module is electrically connected to drive circuit, Timer/Counter module is in turn by communicating by letter with analog-to-digital conversion module after digital PI adjustment module, data processing module, and analog-to-digital conversion module is electrically connected to charging sample circuit.
Charging sample circuit comprises input voltage sampling module, charging voltage sampling module, charging current sampling module, temperature sampling module.
Charge protector comprises input overvoltage protective module, output over-voltage protection module, output overcurrent protection module.
According to the function and technological requirements of charging system, the overall plan of battery charging system is designed, system global structure is as shown in Figure 1.In the master-plan of system, system is divided into several parts, mainly by DC/DC main circuit, charge controller, charging sample circuit, drive circuit, charge protector, LCD, shown to communicate by letter with RS232 etc. partly to form.Various piece is carried out respectively to hardware designs and realization, after debugging, carry out again separately the overall package debugging of system.
In Fig. 1, charging system power main circuit consists of DC/DC converter, charging system needs the parameters such as input voltage, charging voltage, charging current and temperature to storage battery to carry out real-time sampling in charging process, by charge controller realize main circuit power switch pipe switch control and the charging of storage battery is controlled, simultaneously charge controller also has that LCD shows and the function such as RS232 communicates by letter, and can realize the demonstration of charge in batteries and monitoring.This charging system has perfect hardware protection measure, can realize hardware protection function to input overvoltage, output overvoltage, output overcurrent etc.In charging system, the pulse width modulating signal (PWM) that is produced change in duty cycle by charge controller is controlled opening and turn-offing of main circuit switch pipe, realizes the charging of storage battery and controls.The function of battery charging system various piece is:
(1) DC/DC main circuit is the power circuit of realizing charging system power conversion, and due to the input power direct voltage that is 200V-650V, and the rated voltage of batteries to be filled is 48V, therefore needs DC/DC converter to carry out power conversion.
(2) charge controller is the control core of whole charging system, should realize the control to main circuit power switch pipe, realizes again the charging of storage battery is controlled.
(3) drive circuit, isolates amplification to the pwm signal of charge controller output, produces and meets the driving signal that power switch pipe normal operation requires.
(4) sample circuit, to the conditioning of sampling of the parameters such as input voltage, charging voltage, charging current and temperature.
(5) protective circuit, protects the input voltage of storage battery, charging voltage and charging current in the mode of hardware, prevents overcurrent and the overvoltage of storage battery, effectively protects the operation of charging system.
(6) display circuit, in charging process, shows ginseng information such as the input voltage of storage battery, charging current, charging voltage and temperature.
The power main circuit of this charging system is controlled and is adopted numerically controlled mode, and the single-chip microcomputer of take carries out Digital Control as core, and the application of single-chip microcomputer in digital control at present mainly contains two kinds of forms: the indirect control mode of (1) single-chip microcomputer; (2) the direct control mode of single-chip microcomputer.
Figure 2 shows that charge controller structured flowchart herein.The analog-to-digital conversion module that this mode carries by single-chip microcomputer detects output voltage and the output current of main circuit, according to the set point of controlled signal (as output voltage or output current) and the error of actual sample value, according to certain adjusting rule (as PI controls), carry out regulating and controlling, Timer/Counter module by single-chip microcomputer inside produces pwm control signal, and the pwm control signal of this change in duty cycle can be realized adjusting and the control to output.
Claims (5)
1. a pulse width modulating signal is controlled battery charging system, it is characterized in that, comprise DC/DC converter, drive circuit, charge controller, charging sample circuit, charge protector, LCD display module and RS232 communication module, DC/DC converter is communicated by letter with drive circuit, charging sample circuit, charge protector respectively, charge controller is communicated by letter with drive circuit, LCD display module, RS232 communication module, charging sample circuit respectively, and drive circuit is also communicated by letter with charge protector;
Described DC/DC converter, realizes charging system power conversion;
Described drive circuit, isolates amplification to the pwm signal of charge controller output, produces and meets the driving signal that power switch pipe normal operation requires;
Described charge controller, realizes the charging of the control of main circuit power switch pipe and storage battery is controlled;
Described charging sample circuit, to the conditioning of sampling of the parameters such as input voltage, charging voltage, charging current and temperature;
Described charge protector, protects the input voltage of storage battery, charging voltage and charging current in the mode of hardware, prevents overcurrent and the overvoltage of storage battery, the operation of protection charging system;
Described display circuit, in charging process, shows the input voltage of storage battery, charging current, charging voltage and temperature parameter.
2. pulse width modulating signal according to claim 1 is controlled battery charging system, it is characterized in that, described charge controller adopts MSP430F2274 model single-chip microcomputer.
3. pulse width modulating signal according to claim 2 is controlled battery charging system, it is characterized in that, MSP430F2274 model single-chip microcomputer comprises Timer/Counter module, digital PI adjustment module, data processing module, analog-to-digital conversion module, Timer/Counter module is electrically connected to drive circuit, Timer/Counter module is in turn by communicating by letter with analog-to-digital conversion module after digital PI adjustment module, data processing module, and analog-to-digital conversion module is electrically connected to charging sample circuit.
4. pulse width modulating signal according to claim 1 is controlled battery charging system, it is characterized in that, charging sample circuit comprises input voltage sampling module, charging voltage sampling module, charging current sampling module, temperature sampling module.
5. pulse width modulating signal according to claim 1 is controlled battery charging system, it is characterized in that, charge protector comprises input overvoltage protective module, output over-voltage protection module, output overcurrent protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522325.1A CN103595111A (en) | 2013-10-29 | 2013-10-29 | Charging system using pulse width modulation signal to control storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522325.1A CN103595111A (en) | 2013-10-29 | 2013-10-29 | Charging system using pulse width modulation signal to control storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103595111A true CN103595111A (en) | 2014-02-19 |
Family
ID=50085141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310522325.1A Pending CN103595111A (en) | 2013-10-29 | 2013-10-29 | Charging system using pulse width modulation signal to control storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103595111A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429201A (en) * | 2015-11-13 | 2016-03-23 | 宁波市江北九方和荣电气有限公司 | Capacitor intelligent charging system based on SEPIC circuit |
| CN112671057A (en) * | 2020-12-04 | 2021-04-16 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Pulse charging current sampling control method and system and charger |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050057214A1 (en) * | 2003-09-15 | 2005-03-17 | Stefan Matan | Systems and methods for generating renewable energy |
| CN101026313A (en) * | 2007-03-20 | 2007-08-29 | 南开大学 | Multifunctional intelligent solar lamp controller |
| CN101944745A (en) * | 2010-09-06 | 2011-01-12 | 北京理工大学 | Energy storage system and control method thereof |
| CN201904637U (en) * | 2010-12-28 | 2011-07-20 | 广东易事特电源股份有限公司 | Solar charging control circuit |
| CN102709971A (en) * | 2012-05-28 | 2012-10-03 | 河南速达电动汽车科技有限公司 | Management system of nano solar rechargeable battery for electric automobile |
| CN102904302A (en) * | 2012-09-28 | 2013-01-30 | 上海理工大学 | High-efficiency solar charging device and charging method thereof |
| CN103138304A (en) * | 2011-11-28 | 2013-06-05 | 西安博昱新能源有限公司 | Solar energy charging system of storage battery |
-
2013
- 2013-10-29 CN CN201310522325.1A patent/CN103595111A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050057214A1 (en) * | 2003-09-15 | 2005-03-17 | Stefan Matan | Systems and methods for generating renewable energy |
| CN101026313A (en) * | 2007-03-20 | 2007-08-29 | 南开大学 | Multifunctional intelligent solar lamp controller |
| CN101944745A (en) * | 2010-09-06 | 2011-01-12 | 北京理工大学 | Energy storage system and control method thereof |
| CN201904637U (en) * | 2010-12-28 | 2011-07-20 | 广东易事特电源股份有限公司 | Solar charging control circuit |
| CN103138304A (en) * | 2011-11-28 | 2013-06-05 | 西安博昱新能源有限公司 | Solar energy charging system of storage battery |
| CN102709971A (en) * | 2012-05-28 | 2012-10-03 | 河南速达电动汽车科技有限公司 | Management system of nano solar rechargeable battery for electric automobile |
| CN102904302A (en) * | 2012-09-28 | 2013-01-30 | 上海理工大学 | High-efficiency solar charging device and charging method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邬丽娜等: "基于MSP430单片机的太阳能充电控制器设计", 《实验室研究与探索》, vol. 31, no. 5, 31 May 2012 (2012-05-31), pages 70 - 72 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429201A (en) * | 2015-11-13 | 2016-03-23 | 宁波市江北九方和荣电气有限公司 | Capacitor intelligent charging system based on SEPIC circuit |
| CN105429201B (en) * | 2015-11-13 | 2018-04-06 | 宁波市江北九方和荣电气有限公司 | Capacitor intelligent charging system based on SEPIC circuits |
| CN112671057A (en) * | 2020-12-04 | 2021-04-16 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Pulse charging current sampling control method and system and charger |
| CN112671057B (en) * | 2020-12-04 | 2022-08-23 | 国创移动能源创新中心(江苏)有限公司 | Pulse charging current sampling control method and system and charger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105514968B (en) | It is a kind of based on the direct current power spring of step-down/up type and isolated form DC/DC circuits topology and its control method | |
| CN102832830A (en) | DSP (digital signal processor)-based direct-current charging power source system for electric vehicle | |
| CN104753135B (en) | Storage battery charging controller based on energy online estimation and controlling method thereof | |
| CN103595111A (en) | Charging system using pulse width modulation signal to control storage battery | |
| CN204145011U (en) | A kind of storage battery photovoltaic charge-discharge control circuit | |
| CN205544471U (en) | Lithium batteries ware based on AT89C52 singlechip | |
| CN202737762U (en) | DSP-based DC charging power supply system for electric automobile | |
| CN206807051U (en) | A kind of automatically controlled management system with low-power consumption | |
| CN206757340U (en) | A kind of Modular electrical motor-car direct-current charging post control panel | |
| CN203617768U (en) | Large-scale electric vehicle rapid charging system | |
| CN205139753U (en) | Power output management system with initiative protect function | |
| CN204597592U (en) | A kind of Intelligent lithium Car Battery charger | |
| CN207991663U (en) | A kind of electronic scale of lithium battery power supply | |
| CN201985587U (en) | Novel solar charging controller | |
| CN202145628U (en) | Photovoltaic power supply module and photovoltaic power system | |
| CN205960768U (en) | High power pulsewidth modulation intelligence photovoltaic charge controllers | |
| CN203232132U (en) | Look-up table based digital photovoltaic array simulation system | |
| CN206202194U (en) | A kind of wake-up circuit of entire car controller | |
| CN202134949U (en) | Vehicle-mounted large power charging device based on minisize PLC control | |
| CN206226302U (en) | A kind of Intelligent high frequency switching d | |
| CN206323181U (en) | The charging device of smart machine | |
| CN204334048U (en) | A kind of robot with power-supply management system | |
| CN104868543A (en) | Intelligent battery charger with wider input voltage scope | |
| CN203312875U (en) | Solar energy telemetry terminal | |
| CN207166448U (en) | A kind of MPPT controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140219 |