CN102035243A - Switch power supply-based intelligent charging system for various batteries and control method thereof - Google Patents
Switch power supply-based intelligent charging system for various batteries and control method thereof Download PDFInfo
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- CN102035243A CN102035243A CN 201010562809 CN201010562809A CN102035243A CN 102035243 A CN102035243 A CN 102035243A CN 201010562809 CN201010562809 CN 201010562809 CN 201010562809 A CN201010562809 A CN 201010562809A CN 102035243 A CN102035243 A CN 102035243A
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Abstract
The invention discloses a switch power supply-based intelligent charging system for various batteries and a control method thereof. The system comprises an input circuit, wherein the input circuit is connected with an electromagnetic interference (EMI) inhibition module; the EMI inhibition module is connected with a primary rectifying and filtering module; one path of the primary rectifying and filtering module is connected with a transformer circuit through an residual-current device (RCD) peak inhibition module, and the other path of the primary rectifying and filtering module is connected with a switch power supply pulse width modulation (PWM) module; the output end of the transformer circuit is connected with an output control module and an auxiliary power supply module; the output control module is connected with a battery state detection module; and a signal feedback module is connected with a constant-current control module which is connected with the battery state detection module. The system can be independent of a Ni-Cd/Ni-MH/Li-ion rechargeable battery and can charge mixed batteries with different capacities; after quick and constant-current charging, trickle charge is performed to maintain the electric quantity of batteries; and the system can detect the voltage difference deltaV, maximum voltages, highest temperatures and charging time of the batteries, judge if the batteries are fully charged accordingly and adopt corresponding actions to ensure a safer charging process and the like.
Description
Technical field
The present invention relates to the charging device technical field, have and relate to a kind of intelligent charge system of charging safely and fast of being used for to rechargeable battery.
Background technology
To the having the greatest impact of its life-span, the influence of discharge process is then less, that is to say in charging process for battery, and most battery is not damaged, but fills bad.This shows that good charger has very crucial influence to the life-span of battery, the hardware that good charger needs and the software of science combine, and could protect the life-span of battery to greatest extent.For this reason, people have carried out unremitting effort, and charger is had a continued development, and if any complete intelligent pulse charger, this charger has the advantage that battery charge can be able to be protected battery to saturation condition; Also have the intelligent high-frequency pulse charger, it can effectively repair rechargeable battery, and extending battery life possesses perfect defencive function.Yet still there are many defectives in these schemes when making progress, such as, in charging process, variation of temperature can produce significant impact to charging process, and prior art seems not ideal enough in the solution temperature aspect the influence of charging; And the impossible long-term work of battery used in everyday is under isoperibol, and therefore using same pattern is perfect inadequately to battery charge.In addition, present charging technique is all classified and is carried out, promptly to charge with corresponding charger for dissimilar batteries, to charge with Ni-Cd battery charger, Ni-MH battery charger, charger for lithium ion battery respectively such as NI-Cd (NI-G), Ni-MH (ni-mh), Li-ion (lithium) battery etc., otherwise be to damage battery, so just bring very large inconvenience, also can cause the waste of resource to use.
Summary of the invention
The technical problem to be solved in the present invention provides a kind ofly can be independently carries out quick charge to NI-Cd (NI-G), Ni-MH (ni-mh), Li-ion (lithium) chargeable battery of different capabilities, utilize detection in the charging process to charging current, maximum voltage, maximum temperature, charging interval, adopt the intelligence software control algolithm, reach depolarising and improve the purpose that to accept electric current, under the prerequisite that does not reduce the recycling number of times of battery, satisfy polymorphic type battery intelligent charging system and control method thereof based on Switching Power Supply quick and that safe charging requires to greatest extent.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of polymorphic type battery intelligent charging system based on Switching Power Supply, it is characterized in that: comprise input circuit, input circuit connects EMI and suppresses module, EMI suppresses module and connects elementary rectification filtering module, elementary rectification filtering module is leaded up to the RCD spike and is suppressed module and connect transformer circuit, and another road connects Switching Power Supply PWM module; The output one tunnel of transformer circuit connects output control module, and another road connects the accessory power supply module; Output control module is connected with the battery status detection module; This charging system also comprises constant current control module and signal feedback module, and the signal feedback module connects the constant current control module, and the constant current control module connects the battery status detection module.
Further, this charging system inside also is provided with the temperature sensor that is used for sensing battery or internal circuit temperature, when battery or internal circuit are overheated, and the indicator light warning of can alternately glimmering, and stop charging.
Further, before input circuit, also be connected with anti-lightning strike module, can avoid being damaged battery because of being struck by lightning.
This charging system adopts following control method: after the initialize routine, according to the difference of the NTC of battery, judge battery types, and set corresponding upper voltage limit, standby mode is set then; Detect battery excess temperature frequency, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current, if electric current≤60mA, then system returns standby mode is set; If electric current 〉=60mA then carries out 12s precharge to battery, its trickle is repaired; Detect voltage then, if voltage 〉=12.5V then carries out 1.3A constant current quick charge; If voltage≤12.5V then continues precharge, trickle is repaired battery, treats to change 1.3A constant current quick charge over to behind voltage 〉=12.5V; If surpass 60s voltage≤12.5V if battery is repaired in precharge, then the system start-up battery damages the protection subprogram, and battery failures returns initialization after getting rid of again; After charging is finished, detect battery excess temperature frequency once more, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current once more, if electric current≤120mA, then system enters battery and is full of program; If electric current 〉=120mA then returns 1.3A constant current quick charge, change battery over to after 90 minutes and be full of program; Take off battery after being full of electricity, system reset is restarted.
The charging system of the present invention and conventional charger is compared and is had the following advantages: by adopting unique software control algorithm, can independently fill the Ni-Cd/Ni-MH/Li-ion chargeable battery, can mix the battery of different capabilities and charge; Behind quick constant current charge, transfer trickle charge to, keep battery electric quantity; Can obtain different constant current constant voltage curves; Can detect battery-Δ V, maximum voltage, maximum temperature, charging interval, and judge whether according to this to be full of and to take corresponding actions, make charging process safer, to avoid battery over charge or to owe to fill; Built-in temperature sensor, when battery or internal circuit are overheated, the indicator light warning of can alternately glimmering, and stop charging; Possess the battery polar reverse connecting protection, short-circuit protection function can detect battery automatically and show fail battery, avoid defectiveness battery or alkalescence can be charged by battery, and blinking red lamp is reported to the police; Fill under the full situation about being reentered into and to go out saturation condition by the short time build-in test at battery, and stop charging; When cell voltage is very low, use low current charge, with the battery that recovers to have damaged; The charging interval restriction is arranged, double shielding.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is an operational flowchart of the present invention.
Embodiment
In the present embodiment, with reference to Fig. 1, described polymorphic type battery intelligent charging system based on Switching Power Supply, comprise input circuit, input circuit connects EMI and suppresses module 2, EMI suppresses module 2 and connects elementary rectification filtering module 3, and elementary rectification filtering module 3 is leaded up to the RCD spike and suppressed module 4 and connect transformer circuits, and another road connects Switching Power Supply PWM module 5; The output one tunnel of transformer circuit connects output control module 7, and another road connects accessory power supply module 6; Output control module 7 is connected with battery status detection module 8; This charging system also comprises constant current control module 9 and signal feedback module 10, and signal feedback module 10 connects constant current control module 9, and constant current control module 9 connects battery status detection module 8.
This charging system inside also is provided with the temperature sensor that is used for sensing battery or internal circuit temperature, when battery or internal circuit are overheated, and the indicator light warning of can alternately glimmering, and stop charging.
Before input circuit, also be connected with anti-lightning strike module 1, can avoid being damaged battery because of being struck by lightning.
With reference to Fig. 2, this charging system adopts following control method: after the initialize routine, according to the difference of the NTC of battery, judge battery types, and set corresponding upper voltage limit, standby mode is set then; Detect battery excess temperature frequency, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current, if electric current≤60mA, then system returns standby mode is set; If electric current 〉=60mA then carries out 12s precharge to battery, its trickle is repaired; Detect voltage then, if voltage 〉=12.5V then carries out 1.3A constant current quick charge; If voltage≤12.5V then continues precharge, trickle is repaired battery, treats to change 1.3A constant current quick charge over to behind voltage 〉=12.5V; If surpass 60s voltage≤12.5V if battery is repaired in precharge, then the system start-up battery damages the protection subprogram, and battery failures returns initialization after getting rid of again; After charging is finished, detect battery excess temperature frequency once more, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current once more, if electric current≤120mA, then system enters battery and is full of program; If electric current 〉=120mA then returns 1.3A constant current quick charge, change battery over to after 90 minutes and be full of program; Take off battery after being full of electricity, system reset is restarted.
The technical parameter of the charger of present embodiment correspondence is as follows:
Input voltage: AC220-240V/50Hz
Pre-charge pressure :≤12.5V
Preliminary filling electric current: 300mA ± 50mA
Pre-charging time: the shortest: 10s, the longest: 300s
Fill continuous current: 1.3A soon
Fill constant voltage voltage: 21.5V soon
Charging maximum duration: 60+/-5min
Charging termination is differentiated electric current: 60～100mA
Charge normal temperature range: 0-50 ℃
Maximal input: 45W
Charge efficiency: 〉=70%
Stand-by power consumption :≤0.5W
Below the present invention is described in detail, the above only is the present invention's preferred embodiment, when can not limiting the scope of the present invention, promptly allly does impartially to change and modify according to the application's scope, all should still belong in the covering scope of the present invention.
Claims (4)
1. polymorphic type battery intelligent charging system based on Switching Power Supply, it is characterized in that: comprise input circuit, input circuit connects EMI and suppresses module, EMI suppresses module and connects elementary rectification filtering module, elementary rectification filtering module is leaded up to the RCD spike and is suppressed module and connect transformer circuit, and another road is by connecting Switching Power Supply PWM module; The output one tunnel of transformer circuit connects output control module, and another road connects the accessory power supply module; Output control module is connected with the battery status detection module; This charging system also comprises constant current control module and signal feedback module, and the signal feedback module connects the constant current control module, and the constant current control module connects the battery status detection module.
2. the polymorphic type battery intelligent charging system based on Switching Power Supply according to claim 1, it is characterized in that: this charging system inside also is provided with the temperature sensor that is used for sensing battery or internal circuit temperature.
3. the polymorphic type battery intelligent charging system based on Switching Power Supply according to claim 1 is characterized in that: also be connected with anti-lightning strike module before input circuit.
4. the control method of the described polymorphic type battery intelligent charging system based on Switching Power Supply of claim 1, it is characterized in that: initialize routine at first, according to the difference of the NTC of battery, judge battery types afterwards, and set corresponding upper voltage limit, standby mode is set then; Detect battery excess temperature frequency, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current, if electric current≤60mA, then system returns standby mode is set; If electric current 〉=60mA then carries out 12s precharge to battery, its trickle is repaired; Detect voltage then, if voltage 〉=12.5V then carries out 1.3A constant current quick charge; If voltage≤12.5V then continues precharge, trickle is repaired battery, treats to change 1.3A constant current quick charge over to behind voltage 〉=12.5V; If surpass 60s voltage≤12.5V if battery is repaired in precharge, then the system start-up battery damages the protection subprogram, and battery failures returns initialization after getting rid of again; After charging is finished, detect battery excess temperature frequency once more, if the excess temperature frequency is 30KHz, then detect electric current, if the excess temperature frequency is 60KHz, then start the overheat protector subprogram, this program control excess temperature frequency is reduced to 30KHz, and system returns initialization; Detect electric current once more, if electric current≤120mA, then system enters battery and is full of program; If electric current 〉=120mA then returns 1.3A constant current quick charge, change battery over to after 90 minutes and be full of program; Take off battery after being full of electricity, system reset is restarted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010562809 CN102035243A (en) | 2010-11-29 | 2010-11-29 | Switch power supply-based intelligent charging system for various batteries and control method thereof |
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| CN 201010562809 CN102035243A (en) | 2010-11-29 | 2010-11-29 | Switch power supply-based intelligent charging system for various batteries and control method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751878A (en) * | 2012-07-14 | 2012-10-24 | 佛山市天汇龙电子有限公司 | Special fly-back switching power supply for wine cabinet of ice bar and electronic refrigeration type water dispenser |
| CN104539011A (en) * | 2014-12-23 | 2015-04-22 | 黄洁 | Boosting charger |
| CN104584377A (en) * | 2012-11-07 | 2015-04-29 | 三洋电机株式会社 | Charger |
| CN108254697A (en) * | 2018-01-10 | 2018-07-06 | 上海展扬通信技术有限公司 | Battery type detection method, detection terminal and storage medium |
| CN113541213A (en) * | 2020-04-15 | 2021-10-22 | 张鹏辉 | Battery charger capable of automatically turning on and off according to electric quantity of battery |
| CN115995869A (en) * | 2023-03-16 | 2023-04-21 | 深圳鼎匠科技有限公司 | Intelligent charging control method and device for automobile battery |
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| US6879132B2 (en) * | 2002-04-15 | 2005-04-12 | Fuji Electric Co., Ltd. | Switching power supply unit |
| CN201075839Y (en) * | 2007-09-14 | 2008-06-18 | 上海翔惠电子科技有限公司 | Switch power supply for storing electricity |
| CN201191772Y (en) * | 2008-01-31 | 2009-02-04 | 徐建华 | Electric charger |
| CN101431250A (en) * | 2007-11-06 | 2009-05-13 | 上海辰蕊微电子科技有限公司 | Charging management control circuit used for battery charger and its control method |
| CN201893579U (en) * | 2010-11-29 | 2011-07-06 | 东莞韵邦变压器有限公司 | Multi-type battery intelligent charging system based on switch power supply |
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| CN2257103Y (en) * | 1995-10-13 | 1997-06-25 | 中南工学院 | Intelligent switch power type quick charger |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751878A (en) * | 2012-07-14 | 2012-10-24 | 佛山市天汇龙电子有限公司 | Special fly-back switching power supply for wine cabinet of ice bar and electronic refrigeration type water dispenser |
| CN102751878B (en) * | 2012-07-14 | 2015-02-11 | 佛山市天汇龙电子有限公司 | Special fly-back switching power supply for wine cabinet of ice bar and electronic refrigeration type water dispenser |
| CN104584377A (en) * | 2012-11-07 | 2015-04-29 | 三洋电机株式会社 | Charger |
| CN104539011A (en) * | 2014-12-23 | 2015-04-22 | 黄洁 | Boosting charger |
| CN108254697A (en) * | 2018-01-10 | 2018-07-06 | 上海展扬通信技术有限公司 | Battery type detection method, detection terminal and storage medium |
| CN108254697B (en) * | 2018-01-10 | 2020-07-21 | 上海展扬通信技术有限公司 | Battery type detection method, detection terminal and storage medium |
| CN113541213A (en) * | 2020-04-15 | 2021-10-22 | 张鹏辉 | Battery charger capable of automatically turning on and off according to electric quantity of battery |
| CN115995869A (en) * | 2023-03-16 | 2023-04-21 | 深圳鼎匠科技有限公司 | Intelligent charging control method and device for automobile battery |
| CN115995869B (en) * | 2023-03-16 | 2023-08-04 | 深圳鼎匠科技有限公司 | Intelligent charging control method and device for automobile battery |
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Application publication date: 20110427 |