CN104901365A - Lead-acid battery pulse charging control system - Google Patents
Lead-acid battery pulse charging control system Download PDFInfo
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- CN104901365A CN104901365A CN201510265005.1A CN201510265005A CN104901365A CN 104901365 A CN104901365 A CN 104901365A CN 201510265005 A CN201510265005 A CN 201510265005A CN 104901365 A CN104901365 A CN 104901365A
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Abstract
The invention provides a lead-acid battery pulse charging control system comprising a charging controller and a human-computer interface controller. The charging controller and the human-computer interface controller are connected with each other via a serial port communicationmodule. The charging controller is connected with voltage of the two ends of a battery, a power supply voltage detection module, a battery temperature detection module, a discharge pulse module, a charging pulse module, a battery charging current module, a batter discharge current module and a temperature control module. The human-computer interface controller is connected with a keyboard module, a display module and a real-time clock module. A user can set charging parameters, including selection of a charging mode and setting of charging time. The charging mode selected by the user can be judged by a system program according to the acquired information, and the charging process can be completed via internal program control. The battery charge and discharge state can be monitored controlled in real time in the charging process so that the effect of rapid and safe charging of the lead-acid battery can be achieved.
Description
Technical field
The present invention relates to a kind of lead-acid battery pulse current charge control system, belong to lead-acid battery field, be applicable to the quick charge of lead-acid battery.
Background technology
Sealed non-maintenance lead-acid accumulator cell has good seal, No leakage, pollution-free, the advantages such as Maintenance free, be widely used, the lead-acid battery charger matched with it needs to solve quick charge problem on the one hand, need on the other hand to solve charging quality and charge efficiency problem, especially charge the later stage in battery charging process, battery polarization phenomenon is very serious, it can cause current charges receptance decline charge efficiency to reduce on the one hand, internal temperature of battery raises on the other hand, interior pressure increase makes battery produce gassing phenomenon, battery gassing phenomenon accelerates cell degradation makes battery life reduce, cyclic utilization rate reduces, therefore must carry out depolarising process to storage battery in charging process in good time, on the other hand, because storage battery self internal resistance is very little, the change that in charging process, charging voltage is small all may cause the larger fluctuation of charging current, so, a kind of safety is provided, charging method and the control system that also can carry out whole process supervision are fast particularly necessary.
Traditional lead-acid cell charge method has constant voltage mise-a-la-masse method, constant current charge method, constant current-constant voltage charge method etc.
Constant voltage charge method keeps charging voltage to be a steady state value, and because the internal resistance of cell is very little, charging initial cell its voltage is very low, and constant voltage charge can cause initial charge current to cross ambassador's battery generation gassing phenomenon.Charging later stage charging voltage is less, and storage battery has charge less phenomenon.Thus the constant voltage charge method charging interval is long, and over-charging of battery and charge less process reduce battery.
Constant current charge method keeps charging current to be a steady state value, and constant current charge method electric current is selected must be moderate, and electric current is crossed conference and caused charging later stage overcharge of a battery, and charging initial stage battery charging current is too small, extends battery charge time.
Constant current-constant voltage charging method, namely the charging of constant current method is adopted to avoid initial charge current excessive at the charging initial stage, cause giving vent to anger and temperature rise phenomenon of storage battery, start to adopt constant voltage charge when waiting cell voltage to rise to certain value, effectively inhibit charging later stage storage battery to give vent to anger and temperature rise phenomenon.Although what constant pressure and flow two sections of mise-a-la-masse methods solved battery overcharges phenomenon, can not improve the charge rate of battery, the charging interval is still longer.
Summary of the invention
For overcoming the defect of prior art, the present invention adopts pulse charge method, provide a kind of lead-acid battery pulse current charge control system, there is timing charge and charge to full two kinds of patterns, user is by the data of input through keyboard, complete the setting to charge parameter, user arranges the charging interval voluntarily, charging system can judge whether battery types and charger match with battery, the basis of correct coupling completes the multiple parameters precisely controlled in charging process, completes pulse current charge process more quickly and safely.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of lead-acid battery pulse current charge control system, comprises charge controller (1), human-machine interface controller (2); Charge controller (1) and human-machine interface controller (2) are interconnected by serial communication modular (14), realize the exchanges data of two control system in whole charge and discharge process; Described charge controller (1) connects two class voltage detection module (3), battery temperature detection module (4), discharge pulse module (8), charging pulse module (9), battery charge module (5), battery discharge current module (6), temperature control module (12); Described human-machine interface controller (2) connecting key disk module (10), display module (11), real-time clock module (13).
Charge controller of the present invention (1) and human-machine interface controller (2) are the cores of whole charge control system, be interconnected by functional pin between two controllers, realized the exchanges data of two controllers by serial communication modular.
Technical scheme of the present invention, after startup charging system, system carries out initialization, and whether the power line first detecting charging system connects, if do not connected, by display module reminding user; If power line connect detect by after detect battery again and whether connect, go wrong if battery connects, human-machine interface controller can pass through display module reminding user; If battery connects by after detection, human-machine interface controller can judge type and the quantity of battery according to the data stored.Afterwards, user can carry out the setting of charge parameter, comprises the selection of charge mode, the setting in charging interval, and according to the information gathered, system program can judge that user selects charge mode, and controlled charging process by internal processes.
The technical program can pass through Keysheet module (10) before charging to setting or the change of charge mode, charge parameter; Display module (11) is auxiliary before charging arranges charge mode, charge parameter, and in charging process, show charging voltage, charging current, battery temperature, battery electric quantity parameter.Charge controller (1) is controlled battery temperature in battery charge and discharge process by temperature control module (12).Human-machine interface controller (2) and real-time clock module (13) are for battery is at charging process timing and the record of fault time, status monitoring and control can be carried out to battery charging and discharging in real time, reach effect that is quick to lead-acid battery, safe charging
Compared with prior art, the beneficial effect of the technical program is:
(1) pulse current charge control system in pond has regularly to charge and charge to expires two kinds of patterns, user friendly choice for use.User arranges the charging interval voluntarily by keyboard, completes the setting to charge parameter;
(2) charging system can judge whether battery types and charger match with battery, is applicable to charging to lead-acid battery that is dissimilar, different capabilities;
(3) charging system adopts pulse current charge pattern, carries out commutator pulse charging and commutator pulse electric discharge, can reduce polarity effect, reduce the charging interval, belong to quick charge.
(4) adopt the dual controller form of human-machine interface controller and charge controller, substantially increase the operational efficiency of charging system, both can realize the real-time monitoring to each parameter in charging process, effective man-machine interface information can be provided again.
(5) charging system is monitored in real time supply power voltage, charging and discharging currents, battery terminal voltage, temperature in charging process, namely ensure that the effective control to being filled with electricity, also avoiding because lacking supply power voltage, charging current, cell-temperature monitoring and the security incident caused.
As the further improvement to the technical program, described battery charge module (5) is connected charge controller (1) with battery discharge current module (6) by analog quantity handover module (7); Battery charge module (5) and battery discharge current module (6) carry out the collection of current signal in battery charging, discharge process, and realize the charge and discharge control to battery according to the charging and discharging currents gathered.
As the further improvement to the technical program, described discharge pulse module (8), charging pulse module (9) are all interconnected by functional pin with charge controller (1), utilize power driving circuit to realize battery intermittently impulse charging and pulsed discharge function.
As the further improvement to the technical program, two described class voltage detection module (3) and charge controller (1) are interconnected by functional pin, and the data of two class voltage detection module (3) to battery open circuit voltage, charging pressure gather.
As the further improvement to the technical program, described battery temperature detection module (4) and charge controller (1) are interconnected by functional pin, and battery temperature detection module (4) is let slip monomer lead-acid battery temperature data in journey to charging and gathered.
As the further improvement to the technical program, described human-machine interface controller (2) is interconnected by functional pin and Keysheet module (10), display module (11); Keysheet module (10) is before charging to setting or the change of charge mode, charge parameter; Display module (11) is auxiliary before charging arranges charge mode, charge parameter, and in charging process, show charging voltage, charging current, battery temperature, battery electric quantity parameter.
As the further improvement to the technical program, described charge controller (1) is interconnected by functional pin and temperature control module (12), and charge controller (1) is controlled battery temperature in battery charge and discharge process by temperature control module (12).
As the further improvement to the technical program, described human-machine interface controller (2) is interconnected by functional pin and real-time clock module (13), real-time clock module (13) provides time reference, for charging process timing and the record of fault time for battery in charging process.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is system configuration schematic diagram of the present invention;
Fig. 2 is the logical order schematic diagram of control object of the present invention;
Fig. 3 is charge controller major part schematic diagram;
Fig. 4 is human-machine interface controller major part schematic diagram;
Fig. 5 is pulse current charge drive principle figure.
Description of reference numerals: 1-charge controller; 2-human-machine interface controller; 3-two class voltage detection module; 4-battery temperature detection module; 5-battery charge detection module; 6-battery discharge current detection module; 7-analog quantity handover module; 8-discharge pulse module; 9-charging pulse module; 10-Keysheet module; 11-display module; 12-temperature control module; 13-real-time clock module; 14-serial communication modular.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.The present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.In order to make the public have a better understanding to the present invention, in a specific embodiment details of the present invention being described, detailedly describing some specific detail sections, for the part do not described, being the routine techniques of art technology.
Embodiments provide a kind of lead-acid battery pulse current charge control system and the course of work thereof, structure can reference diagram 1,3-5, and control logic can with reference to figure 2.
Charge controller 1, based on Freescale single-chip microcomputer MS9S08DZ60, can complete according to the battery parameter detected the estimation of battery electric quantity and the charging pulse of generation correspondence and discharge pulse, be the control system core of lead-acid battery charging;
Human-machine interface controller 2, based on Freescale single-chip microcomputer MS9S08DZ60, be interconnected by serial communication pin with charge controller 1, can receive user to the setting of charger parameter sends to charge controller 1 by serial ports, receives the important parameter in the relevant charging process that charge controller 1 sends and be shown to user by LCD module LCDX12864 in charging process;
Two class voltage detection module 3, detect battery both end voltage, supply power voltage.
Battery temperature detection module 4, is interconnected by PTA2 pin with charge controller 1 after the amplification modulate circuit centered by LM324 by after transducer collection signal, completes the collection to monomer lead-acid battery temperature in charge and discharge process;
Battery charge detection module 5, battery discharge current detection module 6 are interconnected respectively by functional pin and analog quantity handover module 7CD4067, with charge controller 1PTA3, PTA4, PTD0 with PTD1 pin is connected, carry out function by charge controller 1 in charging process and in discharge process to select to switch, complete the data acquisition of charging current and discharging current;
The PTC0-PTC7 digital pin of discharge pulse module 8, AD557 and charge controller 1 is interconnected, and is completed the intermittent pulse discharging function of battery in pulse current charge process again after producing pulse after LM324 conditioning by power amplification circuit;
Charging pulse module 9, is interconnected with the PTB0-PTB7 pin of charge controller 1, by the control of charge controller 1, again by controlling the pulse current charge of lead-acid battery after the power driving circuit that is made up of Q1-Q4 after LM324 conditioning;
Keysheet module 10, with the digital pin PTB of human-machine interface controller 2, PTC, PTD pin is interconnected, and user is delivered to human-machine interface controller 2 to the setting of charge mode, charge parameter or change before charging;
Display module 11, LCD12864 and human-machine interface controller 2 are interconnected by functional pin, realize assist operator before charging and charge mode, charge parameter are set, in charging process, show the parameters such as charging voltage, charging current, battery temperature, battery electric quantity;
The functional pin of real-time clock module 13, DS1306EN and the SPSCK of human-machine interface controller 2, MOSI, PTB5 pin is interconnected, for charging system provides real-time clock so that when carrying out chargometer and the record trouble time.
Temperature control module 12, is interconnected with the PTD2 pin of charge controller 1, and when detecting that temperature exceedes limit value, the output signal by PTD2 pin controls the cooling of battery temperature, guarantees the charging safety of battery.
Serial communication modular 14, is interconnected with charge controller 1 and human-machine interface controller 2 respectively by functional pin, completes the data of battery in charging process between charge controller 1 and human-machine interface controller 2 and information exchange functions.
Fig. 2 is the logical order schematic diagram of control object of the present invention, according to the embodiment of the present invention, provides a kind of course of work of lead-acid battery pulse current charge control system.
After starting charging system, system carries out initialization, and whether the power line first detecting charging system connects, if do not connected, by LCD display module 11 reminding user; If power line connect detect by after detect battery again and whether connect, go wrong if battery connects, human-machine interface controller 2 can by LCD display module 11 reminding user; If battery connects by after detection, human-machine interface controller 2 can judge type and the quantity of battery according to the data stored.Afterwards, user can carry out the setting of charge parameter, comprises the selection of charge mode, the setting in charging interval, and according to the information gathered, system program can judge that user selects charge mode, and controlled charging process by internal processes.
If what user selected is charge to full pattern, then set point is issued charge controller 1 by serial communication modular 14 by human-machine interface controller 2, start clock module simultaneously, charge controller 1 is received signal and is confirmed errorless rear unlatching charging process: first, gather supply power voltage and send to human-machine interface controller 2, showing in LCD display module 11 after human-machine interface controller 2 receives, then, charge controller 1 starting impulse charging procedure, and carry out pulse charge timing, in charging process, system is by the terminal voltage of two class voltage detection module 3 timing acquiring batteries, charging voltage, charging current and battery temperature estimating battery electricity, above-mentioned four parameters send to human-machine interface controller 2 to show in real time by charge controller 1, charge controller 1 controls the pulse charging interval by timer internal, if timing to, stop pulse charge and enters interval of rest, equally, charge controller 1 is also by the duration of Timer Controlling interval of rest, after interval of rest, then starting impulse discharge procedures Pulse Discharge control, in discharge process, system is by the terminal voltage of two class voltage detection module 3 timing acquiring batteries, discharge voltage, discharging current and battery temperature estimating battery electricity, human-machine interface controller 2 is sent to show above-mentioned four parameters, if discharge time terminates, stop Single Pulse Discharge and enter interval of rest.In charge and discharge process, the cell voltage that program can be detected by timing, electric current, temperature judge whether battery is full of, if be full of, complete charge, and send information to human-machine interface controller 2 by serial communication modular 14 and in display module 11 reminding user, if be not full of, then repeatedly perform the charging of above-mentioned pulse, intermittently, electric discharge, interval charging process, until battery is full of.
If what user selected is timing charge mode, setup parameter is issued charge controller 1 by serial communication modular 14 by human-machine interface controller 2, start clock module simultaneously, charge controller 1 is being received people's signal and is confirming errorless rear unlatching and charge to completely same pulse current charge process, can timing detection whether be full of in charging process, if be full of, complete charge process early, difference is, if be not full of, according to the charging interval complete charge process of user's setting.
What no matter user selected is timing charge mode or charges to full pattern, and charging system all will be recorded in the time and failure code of breaking down in charge and discharge process, and on display module 11 reminding user.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a lead-acid battery pulse current charge control system, comprise charge controller (1), human-machine interface controller (2), it is characterized in that: described charge controller (1) and human-machine interface controller (2) are interconnected by serial communication modular (14), realize the exchanges data of two control system in whole charge and discharge process; Described charge controller (1) connects two class voltage detection module (3), battery temperature detection module (4), discharge pulse module (8), charging pulse module (9), battery charge module (5), battery discharge current module (6), temperature control module (12); Described human-machine interface controller (2) connecting key disk module (10), display module (11), real-time clock module (13).
2. a kind of lead-acid battery pulse current charge control system according to claim 1, is characterized in that: described battery charge module (5) is connected charge controller (1) with battery discharge current module (6) by analog quantity handover module (7); Battery charge module (5) and battery discharge current module (6) carry out the collection of current signal in battery charging, discharge process, and realize the charge and discharge control to battery according to the charging and discharging currents gathered.
3. a kind of lead-acid battery pulse current charge control system according to claim 1, it is characterized in that: described discharge pulse module (8), charging pulse module (9) are all interconnected by functional pin with charge controller (1), utilize power driving circuit to realize battery intermittently impulse charging and pulsed discharge function.
4. a kind of lead-acid battery pulse current charge control system according to claim 1, it is characterized in that: two described class voltage detection module (3) and charge controller (1) are interconnected by functional pin, and the data of two class voltage detection module (3) to battery open circuit voltage, charging pressure gather.
5. a kind of lead-acid battery pulse current charge control system according to claim 1, it is characterized in that: described battery temperature detection module (4) and charge controller (1) are interconnected by functional pin, and battery temperature detection module (4) is let slip monomer lead-acid battery temperature data in journey to charging and gathered.
6. a kind of lead-acid battery pulse current charge control system according to claim 1, is characterized in that: described human-machine interface controller (2) is interconnected by functional pin and Keysheet module (10), display module (11); Keysheet module (10) is before charging to setting or the change of charge mode, charge parameter; Display module (11) is auxiliary before charging arranges charge mode, charge parameter, and in charging process, show charging voltage, charging current, battery temperature, battery electric quantity parameter.
7. a kind of lead-acid battery pulse current charge control system according to claim 1, it is characterized in that: described charge controller (1) is interconnected by functional pin and temperature control module (12), and charge controller (1) is controlled battery temperature in battery charge and discharge process by temperature control module (12).
8. a kind of lead-acid battery pulse current charge control system according to claim 1, it is characterized in that: described human-machine interface controller (2) is interconnected by functional pin and real-time clock module (13), real-time clock module (13) provides time reference, for charging process timing and the record of fault time for battery in charging process.
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| CN105406567A (en) * | 2015-12-21 | 2016-03-16 | 梁一明 | Charging equipment and circuit for storage battery pack |
| CN107738584A (en) * | 2016-07-22 | 2018-02-27 | 福特全球技术公司 | Allow user that the electric vehicle of battery charge arrangement file is set in the car |
| CN110341536A (en) * | 2019-08-16 | 2019-10-18 | 上海五纷物联技术有限公司 | A kind of intelligent charger for electric bicycle and management control method based on Internet of Things |
| CN111948479A (en) * | 2020-08-15 | 2020-11-17 | 广东省博康电子有限公司 | Charger testing method |
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Application publication date: 20150909 |