CN1964157A - An intelligent quick charger - Google Patents
An intelligent quick charger Download PDFInfo
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- CN1964157A CN1964157A CN 200610051271 CN200610051271A CN1964157A CN 1964157 A CN1964157 A CN 1964157A CN 200610051271 CN200610051271 CN 200610051271 CN 200610051271 A CN200610051271 A CN 200610051271A CN 1964157 A CN1964157 A CN 1964157A
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Abstract
The disclosed intelligent fast charger with control cabinet structure comprises: a fuzzy controller as the main, an operation panel (8) with a red lamp (6) and green lamp (7) and a display (17) and a keyboard (18), a CPU and interface module (15) arranged on the back panel (5), an isolation plate (3) with guide rail (12) on middle to hang a large-power device (13), and a control module (14) included a transformer and a rectifier diode. Wherein, all of (15), (6), (7), (17) and (18) are connected by plugging or pulling pipeline. This invention has ideal charge curve and fit to charge the direct power or standby power.
Description
Technical field
The present invention is relevant with electric energy storage system, also with relevant, especially relevant with the circuit arrangement to charge in batteries as the lead acid accumulator of direct power supply or stand-by power supply.
Background technology
Popular charging method mainly contains following several at present: 1) pulse charging method, 2) the ReflexTM rapid charging, 3) time-dependent current, voltage quick charge, 4) time variant voltage time-dependent current wave positive and negative zero pulse rapid charging at intermittence, 5) time-dependent current gap mise-a-la-masse method.The relevant technical papers than the forward position mainly contains 2 pieces: 1. Sun Pin winter. based on the Smart battery charging device [J] of expert system. and power technology, 2005,29 (1). 2. naval aviation engineering college. the realization of high-capacity lead-acid storage battery charging system [J]. communication power supply technology, 2001 (2).These charging theory and methods have obtained certain charging effect in application.But, in charging process, all adopted the specified rate that strengthens electric current, and the charging current of itself is not high.Charging current or the long large current charge excessive according to the characteristic of lead acid accumulator inevitably bring some negative effects.For example, the life-span of storage battery, the consumption of electric energy, temperature rise is fast, and gas output is bigger than normal etc.Some or even with life-span of sacrificing storage battery be cost.
In recent years, people study repeatedly to Smart battery charging device, many new technical schemes have appearred, for example Chinese patent application CN88100250 number " Computerized fast charger ", CN00117003.1 number " high power intelligent charging machine and charging method thereof ", CN92209178.1 number " intellectual quick charger ", CN93220472.4 number " intelligent automatic device for charging ", CN95237778.0 number " intelligent switch power source type quick charger ", CN95237661.X " lead acid accumulator Computerized fast charger " etc.These technical schemes can both realize the function of intelligent quick charge, but people are also exploring optimized charging control mode, to improve charge efficiency, to improve charging rate.
Summary of the invention
The objective of the invention is that the prior art charge efficiency is not high in order to overcome, the charging interval is long, to the protection of storage battery, lack deficiency and defectives such as intelligent monitoring and management function, a kind of Computerized fast charger is provided.
For realizing this purpose, the inventor adopts advanced at present control method according to the Maas theorem, and the charger of designing is made up of guidance panel, CPU and the interface module thereof, high power device, the control module that are installed in the control cubicle; Wherein, the red light that is used to refer to and green light, display device, keyboard are installed on the guidance panel, are installed in the control cubicle top, be integrated with the man-machine interface circuit on it; Control cubicle rear board top is equipped with CPU and interface module thereof, is integrated with single-chip microcomputer and interface circuit and data acquisition and change-over circuit on it; There is a division board made from thermal insulation plate at the control cubicle middle part, and the guide rail of useful bolt is hung with high power device on the plate; Control cubicle rear board bottom is equipped with control module, with isolating transformer and rectifier diode, also is integrated with main circuit and control circuit, charge power circuit in the control module; Mode with the winding displacement plug between CPU and interface module thereof, red light and green light, keyboard and the display device connects, and the remaining circuit plate is connected by lead.
Above-mentioned CPU and interface module thereof are the hardware core parts of fuzzy controller, and fuzzy controller is by hardware and software two parts, and hardware is a Single Chip Microcomputer (SCM) system in essence; Execution unit is partly finished by charge power; After differentiating by fuzzy controller, gives the external command of receiving the size of 785 chip controls charging currents by single-chip microcomputer output transposition control signal.Used application software is that fuzzy control program is the algorithm routine of working out for fuzzy algorithmic approach, its program principle is as follows: because the detection of voltage, electric current, temperature is to follow the beginning of charging process until the whole process of end of charging, that is be in the mode of operation of following inspection, when after the detected value of voltage, electric current, temperature and the actual comparison and during the value generation deviation of actual regulation, promptly protect processing to differentiate again, till reaching condition; The detection of voltage, electric current, temperature is a work in series, protects processing as long as one of them does not satisfy then to stop to charge; Carry out fuzzy discrimination then, and provide foundation for signal output.
Be drilled with the through wires hole that passes through for lead on above-mentioned control cubicle rear board and the division board; Base plate has ventilation hole; Control cubicle also has cabinet door and door lock; Guidance panel on the control cubicle top adopts convex type to install, and forms 30 ° angle with horizontal plane.
Above-mentioned data acquisition and change-over circuit are made up of testing circuit and data converting circuit again.Testing circuit comprises temperature detection, current detecting, voltage detecting.And be the input signal of fuzzy controller with detected electric current, temperature, voltage transitions; Data converting circuit has comprised A/D conversion and D/A conversion: be translated into the treatable digital signal of single-chip microcomputer after sending into the A/D conversion chip after the processing such as the analog signal process amplification of collection in worksite, filtering; The D/A conversion chip is handled the digital signal that obtains with single-chip microcomputer and is converted into analog signal amplification back output.Analog signal is exported to actuator, and actuator obtains just moving after the instruction.D/A and A/D conversion all have two output channels, are respectively input, the output channel of the magnitude of current and voltage.
Above-mentioned charge power circuit is made up of powerful thyristor and rectifier diode, and input voltage is three-phase 220 voltages, and its charging current can reach more than the 100A; The control of thyristor is adopted to be used by the pulse signal of single-chip microcomputer output and TCA785 chip and is carried out phase shifting control; Adjustable Output Voltage to be being fit to different battery voltage grades, and overcurrent, overvoltage protection are arranged; Also adopted electric discharge device in order to obtain higher charge efficiency in main circuit, the heavy-current discharge that carries out moment improves the receptance of battery to eliminate the polarization phenomena that produce in the charging process.
Above-mentioned single-chip microcomputer adopts the 80C51 series monolithic, and it is the hardcore that constitutes fuzzy controller, accepts the signal of self-detection circuit, judges and the output control signal; Cpu circuit in the single-chip microcomputer comprises 80C51 chip, program storage E
2PROM, transfer of data 485 circuit; Be connected to external crystal oscillation circuit on the 80C51 chip respectively, link to each other with 2 functional chips behind 8 pull-up resistors of P0 mouth and be extended to external keyboard, the outside LED that shows of the external functional chip rear panel choosing of P2 mouth, and carry out control corresponding: signal red light is fault and safeguards indication, is that this indicator light is bright when charger is in malfunction; Greensignal light is the indication of system when being in normal operating conditions, shows that charger is in running order and equipment work is normal; Buzzer is the audible alarm alert device administrative staff before disengagement failure when appearance takes place than large deviation with the operating state of setting in the system work process; A communication interface end (RS485) has been reserved in output, is used for and the interface when realizing the networking charging; 485 circuit are used for the remote transmission of data, are added with two photoelectricity therebetween and isolate, and can reach comparatively desirable laser propagation effect.
Above-mentioned man-machine interface circuit is made up of the keyboard of two four LED and 4*4, and it provides a platform for the user checks, revises parameter.
Used Single Chip Microcomputer (SCM) system software is for making things convenient for the human-computer dialogue operation and transferring the system program that the hardware and software resource is worked out.
Signal output is exported two parts: export to convertor assembly or export to electric discharge device, but can not export to both simultaneously; When the capacity check device detects charging and has expired, system finishing work.
A kind of Computerized fast charger charging effect provided by the invention is near the ideal charging curve, reached the technical performance index of multinomial regulation, make storage battery in charging process, both reach purpose fast, the life-span of temperature rise, gassing rate and the battery of storage battery all is guaranteed; Be applicable to as the directly charging of the lead acid accumulator of power supply or stand-by power supply.
Description of drawings
Following accompanying drawing is used for further specifying the present invention:
Fig. 1 is the structural scheme of mechanism of charger, Fig. 2 is a charger hardware system block diagram, Fig. 3 is the charge power circuit diagram, Fig. 4 is a software flow pattern, Fig. 5 is charging control circuit figure, Fig. 6 is that single-chip microcomputer and interface circuit figure Fig. 7 are the fuzzy controller block diagram, and Fig. 8 is keyboard and block diagram, and Fig. 9 is actual charge graph.
1 is negative among the above figure, and 2 is left plate, and 3 is division board, 4 are handle, and 5 is rear board, and 6 is red light, 7 is green light, and 8 is guidance panel, and 9 is cable-through hole, 10 is the control cubicle door, and 11 is door lock, and 12 is guide rail, 13 is high power device, and 14 is control module, and 15 is CPU and interface module, 16 is right plate, and 17 is display device, and 18 is keyboard.
Embodiment
One of embodiment as accompanying drawing 1 Computerized fast charger, profile adopts the control cubicle structure of box-type, divides two-layer up and down; This charger is made up of guidance panel 8, CPU and the interface module 15 thereof, high power device 13, the control module 14 that are installed in the control cubicle; Wherein, red light 6 and green light 7, display device 17, keyboard 18 are installed on the guidance panel 8, are installed in the control cubicle top, be integrated with the man-machine interface circuit on it; Control cubicle rear board 5 tops are equipped with CPU and interface module 15 thereof, are integrated with single-chip microcomputer and interface circuit and data acquisition and change-over circuit on it; There is a division board 3 made from thermal insulation plate at the control cubicle middle part, and the guide rail 12 of useful bolt is hung with high power device 13 on the plate; Control cubicle rear board 5 bottoms are equipped with control module 14, and transformer and rectifier diode are arranged in the control module 14, also are integrated with main circuit and control circuit, charge power circuit; Mode with the winding displacement plug between CPU and interface module 15 thereof, red light 6 and green light 7, keyboard 18 and the display device 17 connects, and all the other modules are connected by lead; Be drilled with the through wires hole 9 that lead passes through on rear board 5 and the division board 3, power line enters the transformer arrival end of control module 14 by through wires hole 9, and the direct current of output 5V after rectification is as the power supply of charging; Control cubicle base plate 1 has ventilation hole, and control cubicle also has cabinet door 10 and door lock 11; Guidance panel on the control cubicle top adopts convex type to install, and forms 30 ° angle with horizontal plane.
Cable hangs on the air switch of power supply point the back and fixes with nut with the industrial siding nose.Cable is fixed after entering control cubicle by the through wires hole 9 on the back plate plate 5, enters the former limit of transformer then, goes out the back from secondary and is fixed on the guide rail 12 with nut.Use 4mm simultaneously
2Lead with the power supply of 220V on control module 14 and the rectification direct current that goes out 5V provide working power for each module.Main circuit output extracting power supply cord in the control module 14 enters and receives on the storage battery that is recharged by the through wires hole 9 of rear board 5, and red lead is the positive pole that connects storage battery after the positive termination high-power FET first, the negative pole of black negative termination storage battery.Simultaneously storage battery positive pole link after with the through wires hole 9 of a blue cable behind the end of field effect transistor second from another and bring out the negative polarity end of linking behind the current-limiting resistance storage battery by rear board 5.Field effect transistor first and second are controlled by two lead-out terminals of the control circuit in the control module 14.
Claims (7)
1 one kinds of Computerized fast chargers is characterized in that this charger is made up of guidance panel (8), CPU and the interface module (15) thereof, high power device (13), the control module (14) that are installed in the control cubicle; Wherein, red light (6) and green light (7), display device (17), keyboard (18) are installed on the guidance panel (8), are installed in the control cubicle top, be integrated with the man-machine interface circuit on it; Control cubicle rear board (5) top is equipped with CPU and interface module (15) thereof, is integrated with single-chip microcomputer and interface circuit and data acquisition and change-over circuit on it; There is a division board (3) at the control cubicle middle part, and the guide rail of useful bolt (12) on the plate is hung with high power device (13); Control cubicle rear board (5) bottom is equipped with control module (14), and transformer and rectifier diode are arranged in it, also is integrated with main circuit and control circuit, charge power circuit; Mode with the winding displacement plug between CPU and interface module thereof (15), red light (6) and green light (7), keyboard (18) and the display device (17) connects, and all the other modules are connected by lead.
2 Computerized fast chargers as claimed in claim 1 is characterized in that containing a fuzzy controller in described CPU and the interface module thereof, and it comprises hardware and software two parts, and hardware is a Single Chip Microcomputer (SCM) system; Used application software is that fuzzy control program is the algorithm routine of working out for fuzzy algorithmic approach; Execution unit is partly finished by charge power; After differentiating, give the size of 785 chip controls charging currents by single-chip microcomputer output transposition control signal by fuzzy controller.
3 Computerized fast chargers as claimed in claim 1, it is characterized in that being drilled with on described control cubicle rear board (5) and the division board (3) through wires hole (9) that lead passes through, power line enters the transformer arrival end of control module (14) by through wires hole (9), the different direct currents that require of output after rectification are as the power supply of charging; Control cubicle base plate (1) has ventilation hole, and control cubicle also has cabinet door (10) and door lock (11); Guidance panel adopts convex type to install, and becomes 30 ° angle with horizontal plane.
4 Computerized fast chargers as claimed in claim 1 is characterized in that described data acquisition and change-over circuit be made up of testing circuit and data converting circuit again.
5 Computerized fast chargers as claimed in claim 1 is characterized in that described charge power circuit is made up of powerful thyristor and high-power FET.
6 Computerized fast chargers as claimed in claim 1 is characterized in that described single-chip microcomputer adopts the 80C51 series monolithic.
7 Computerized fast chargers as claimed in claim 1 is characterized in that described man-machine interface circuit is made up of the keyboard of two four LED and 4*4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610051271 CN1964157A (en) | 2006-11-10 | 2006-11-10 | An intelligent quick charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610051271 CN1964157A (en) | 2006-11-10 | 2006-11-10 | An intelligent quick charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1964157A true CN1964157A (en) | 2007-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610051271 Pending CN1964157A (en) | 2006-11-10 | 2006-11-10 | An intelligent quick charger |
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| CN (1) | CN1964157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345424B (en) * | 2007-07-12 | 2011-05-04 | 淄博火炬能源有限责任公司 | Automatic charger of traction accumulator |
| CN103023086A (en) * | 2011-09-21 | 2013-04-03 | 株式会社日立制作所 | Quick charger and quick charging system for electric vehicle |
-
2006
- 2006-11-10 CN CN 200610051271 patent/CN1964157A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345424B (en) * | 2007-07-12 | 2011-05-04 | 淄博火炬能源有限责任公司 | Automatic charger of traction accumulator |
| CN103023086A (en) * | 2011-09-21 | 2013-04-03 | 株式会社日立制作所 | Quick charger and quick charging system for electric vehicle |
| US9061597B2 (en) | 2011-09-21 | 2015-06-23 | Hitachi, Ltd. | Quick charger and quick charging system for electric vehicle |
| CN103023086B (en) * | 2011-09-21 | 2016-06-15 | 株式会社日立制作所 | Quick charger used for electric vehicle and quick charging system |
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Open date: 20070516 |