CN105406569A - Intelligent charging system of super-capacitor blade electric vehicle - Google Patents
Intelligent charging system of super-capacitor blade electric vehicle Download PDFInfo
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- CN105406569A CN105406569A CN201510984592.XA CN201510984592A CN105406569A CN 105406569 A CN105406569 A CN 105406569A CN 201510984592 A CN201510984592 A CN 201510984592A CN 105406569 A CN105406569 A CN 105406569A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an intelligent charging system of a super-capacitor blade electric vehicle. The intelligent charging system comprises a main charging circuit and a control circuit. The main charging circuit comprises a three-phase bridge rectification circuit, a filter circuit, an IGBT full-bridge conversion circuit, a high-frequency transformer and an output rectification and filter circuit, wherein the three-phase bridge rectification circuit is used for converting an alternating current power supply into direct current including a pulse component by a full-bridge rectifier module; the filter circuit is used for filtering out the pulse component in the direct current through a filter capacitor; the IGBT full-bridge conversion circuit is used for switching on IGBT in turns, converting the smooth direct current into square wave and adding into the input end of the high-frequency transformer; the output end of the high-frequency transformer generates alternating current voltage; and the output rectification and filter circuit is used for rectifying and filtering the alternating current output by the high-frequency transformer to form into direct current voltage or/and current set by a user. The control circuit comprises an IGBT drive module, a data collection module, a human-computer interaction module, a display module, a failure warning module, a remote control module and a CAN communication module, wherein the data collection module collects output voltage and current of the main charging circuit, the primary input voltage of the main charging circuit, the IGBT temperature and the environment temperature.
Description
Technical field
The present invention relates to pure electric automobile charging technique field, particularly relate to a kind of super capacitor pure electric automobile Intelligent charging system.
Background technology
Since entering 21 century, energy saving standard becomes the focus of energy problem.Along with the high speed development of auto industry, automobile enters daily life in a large number, but brings day by day serious environmental problem along with the universal of automobile.Therefore, we need to expand to the development of auto industry the environmental protection and economized path that make new advances.The appearance of electric automobile then can solve the predicament of automobile environmental pollution preferably, and especially pure electric automobile, does not exist motor vehicle exhaust emission, therefore, the research and development of electric automobile has been become to the focus of the world today.The peak power characteristic of traditional storage battery cannot meet the demand of electric automobile to power under the special operation conditions such as startup, acceleration and climbing, and the charge-discharge characteristic of traditional storage battery, is restricted further developing of electric automobile.And ultracapacitor is when to be used on electric automobile as driving power, the deficiency of traditional storage battery in power characteristic can be made up.When automobile be in acceleration or load-carrying climbing in particular cases, the high power discharge of ultracapacitor, the grade climbing performance of automobile can be improved, during unexpected braking, then absorbed the energy produced in braking procedure by ultracapacitor, ultracapacitor can meet the demand of electric automobile when starting, braking and climbing to high power discharge.Super capacitor has the superior functions such as charging rate is fast, specific power is high, specific energy is large, service life cycle is long, is applied in electric automobile and has certain superiority.
Electrokinetic cell is the core energy of electric automobile, but give the charging system function of power battery charging also more single at present, charging process is also long, also need in the process of charging more external control intervention or even human intervention, for the control assembly of charger service also many, have to thus use DC/DC or low-tension supply to be that each control assembly is powered in charging process, thus make DC/DC be operated in inefficient interval or waste low-tension supply energy.Inevitably have impact on energy ecology, the convenience of use and the reasonability of charging process, to a certain degree also have impact on the life-span of electrokinetic cell, hinder the universal of electric automobile and application.
Summary of the invention
In order to overcome the defect of prior art, the invention provides one and having that charge efficiency is high, simple to operate, lightweight, volume is little; There is the super capacitor pure electric automobile Intelligent charging system of anti-reverse, overload, short circuit, the multiple protection functions such as overheated and controlling functions.
In order to solve the problems of the technologies described above, the invention provides a kind of super capacitor pure electric automobile Intelligent charging system, it comprises charging main circuit and control circuit, described charging main circuit comprises the galvanic three-phase bridge rectifier circuit becoming to contain ripple component by AC power by full-bridge rectification block transforms, by the filter circuit of the ripple component in filter capacitor elimination direct current, make IGBT conducting in turn, level and smooth direct current is become square wave, be added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer, output produces the high frequency transformer of alternating voltage, the AC rectification exported by described high frequency transformer, is filtered into direct voltage that user arranges or/and the output rectifier and filter of electric current, described control circuit comprises IGBT drive module, the data-signal receiving data acquisition module and send is connected with described IGBT drive module, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer is sent to display screen, be connected with described first single-chip microcomputer and gather charge main circuit output voltage and electric current, charging main circuit former limit input voltage, IGBT temperature, the data acquisition module of ambient temperature, the key circuit module be connected with described first single-chip microcomputer, display module, fault alarm module and remote control module, read by charge super capacitance information or the CAN outwards exporting charge information by CAN communication mouth.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described three-phase bridge rectifier circuit comprises the mains switch that input is connected with three-phase alternating-current supply; The three-phase solid relay that input is connected with the output of described mains switch; Six diodes be connected in parallel with the output of described three-phase solid relay, wherein the positive pole of the first diode is connected with the output terminals A of three-phase solid relay respectively with the negative pole of the second diode, the positive pole of the 3rd diode is connected with the output B of three-phase solid relay respectively with the negative pole of the 4th diode, and the positive pole of the 5th diode is connected with the output C of three-phase solid relay respectively with the negative pole of the 6th diode; Described IGBT full-bridge circuit comprises four IGBT pipes, four fly-wheel diodes, high frequency transformer, high frequency transformer secondary side rectification circuit and output filter circuits; IGBT full-bridge circuit converts the direct current after rectification the high-frequency alternating current of similar square wave to, and the high-frequency alternating current step-down exported by inverter circuit is responsible for by high frequency transformer; Described high frequency transformer secondary side rectification circuit comprises two and the fast recovery diode connected; Described output filter circuit is the LC parallel filtering circuit be made up of electric capacity and inductance.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described key circuit module comprises matrix keyboard and second singlechip, input key is connected with the I/0 pin of described second singlechip, the output of described second singlechip is connected with the I/0 pin of described first single-chip microcomputer, its assignment sends display module to by the I/0 pin of the first single-chip microcomputer and exports, and the output of described second singlechip and the I/0 pin of the first single-chip microcomputer are connected with several pull-up resistors.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described charging main circuit former limit input voltage data acquisition module comprises the voltage follower be made up of divider resistance, sampling resistor and operational amplifier, and one-level integrated operational amplifier is by the reverse input end of the voltage follow of sampling to secondary integrated operational amplifier; Negative feedback network is formed, by the Voltage Feedback of sampling to optocoupler by optocoupler and two-level operating amplifier; The output circuit be made up of resistance and three-stage operational amplifier, is input to the A/D switched pins of the first single-chip microcomputer by the voltage after linear transformation.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described display module comprises display charging current, charging voltage, charging interval and charging modes information.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described display module comprises Liquid Crystal Module; And the variable resistor be connected between the two pins of described Liquid Crystal Module; The pull-up resistor of connecting respectively with the backlight electric power LED negative pole of described Liquid Crystal Module; The AMS1117 chip be connected with the power pins of power supply and described Liquid Crystal Module; Be connected to the described input of AMS1117 chip and the filter capacitor of output.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described fault alarm module, comprises timer, buzzer and three light-emitting diodes; Described timer and outer meeting resistance, electric capacity form multivibrator, three control voltage inputs of described timer are connected with the first single-chip microcomputer respectively after current-limiting resistance, described timer three control voltage inputs are also connected with three light-emitting diodes respectively, and the pulse signal that described timer exports by the first single-chip microcomputer controls.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described CAN comprises the first single-chip microcomputer; CAN transceiver; Be connected to the digital isolator between the first single-chip microcomputer and CAN transceiver; Be connected to the electric capacity for elimination AC signal on described digital isolator; Be connected to the build-out resistor between CAN transceiver two buses.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described IGBT drive module comprises the first single-chip microcomputer; The IGBT driving chip be connected with described first single-chip microcomputer; Four PWM output pins that described first single-chip microcomputer is connected with IGBT driving chip and two-way I/O mouth are connected to the pull down resistor of ground connection; The fault clearance input that described IGBT driving chip is connected with the first single-chip microcomputer is connected with the pull-up resistor be connected with power supply; 7th pin (power pins) of described IGBT driving chip is connected with the electric capacity be connected with power supply; High-side driver output pin and the low side driver output pin of described IGBT driving chip are connected to current-limiting resistance.
As further improvement opportunity scheme, super capacitor pure electric automobile Intelligent charging system provided by the invention, described remote control module comprises radiating portion and receiving unit, described radiating portion comprises by coding chip, the transmitter module be connected with described coding chip, the radio transmitter that several buttons be connected with described coding chip form; Described receiving unit comprises the wireless signal receiving circuit that the receiver module that is connected with described decoding chip by decoding chip and resistance form; Described coding chip and decoding chip are the wireless remote control transmitting/receiving chips of a pair band address, data encoding function.
When not conflicting, above-mentioned improvement project can be implemented alone or in combination.
The beneficial effect that the present invention brings: technical scheme provided by the invention; adopt the power technology of high frequency; charge to super capacitor pure electric automobile; there is the features such as charge efficiency is high, simple to operate, lightweight, volume is little, there is anti-reverse, overload, short circuit, the function such as multiple protection functions and delayed startup, soft start, remote controller control such as overheated.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is embodiment Intelligent charging system structural representation;
Fig. 2 is embodiment Intelligent charging system circuit theory diagrams;
Fig. 3 is embodiment charging main circuit former limit input side voltage detecting circuit schematic diagram;
Fig. 4 is the key circuit schematic diagram of embodiment Intelligent charging system;
Fig. 5 is the display module circuit theory diagrams of embodiment Intelligent charging system;
Fig. 6 is the failure warning system circuit theory diagrams of embodiment Intelligent charging system;
Fig. 7 is the CAN communication modular circuit schematic diagram of embodiment Intelligent charging system;
Fig. 8 is the IGBT drive circuit schematic diagram of embodiment Intelligent charging system;
Fig. 9 is the wireless encoding radiating circuit schematic diagram of embodiment Intelligent charging system;
Figure 10 is the wireless receiving decoding circuit schematic diagram of embodiment Intelligent charging system.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Super capacitor pure electric automobile Intelligent charging system as shown in Figure 1, comprises charging main circuit and control circuit, charging main circuit comprises the galvanic three-phase bridge rectifier circuit becoming to contain ripple component by AC power by full-bridge rectification block transforms, by the filter circuit of the ripple component in filter capacitor elimination direct current, make IGBT conducting in turn, level and smooth direct current is become square wave, be added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer T1, output produces the high frequency transformer T1 of alternating voltage, by the AC rectification of described high frequency transformer T1 output, is filtered into the direct voltage of user's setting or/and the output rectifier and filter of electric current, described control circuit comprises IGBT drive module, gather charging main circuit output voltage and electric current, charging main circuit former limit input voltage, IGBT temperature, the data acquisition module of ambient temperature, key circuit module, system protection module, display module, fault alarm module and remote control module, receive the data-signal that data acquisition module sends, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer PIC19F4886 is sent to display module, read by charge super capacitance information or the CAN outwards exporting charge information by CAN communication mouth.
As shown in Figure 2, three phase rectifier filter circuit comprises three-phase bridge rectifier circuit and filter circuit.Three-phase bridge rectifier circuit is converted to galvanic current pressure three-phase alternating voltage, three-phase bridge rectifier circuit comprises the mains switch K1 that input is connected with three-phase alternating-current supply, the three-phase solid relay that input is connected with the output of mains switch K1, six the diode D1 ~ D6 be connected with the output of three-phase solid relay, wherein be connected with the output terminals A of three-phase solid relay after D1 with D2 parallel connection, the positive pole of D1 is connected with the output terminals A of three-phase solid relay respectively with the negative pole of D2, be connected with the output B of three-phase solid relay after D3 with D4 parallel connection, the positive pole of D3 and the negative pole of D4 are connected with the output B of three-phase solid relay respectively, be connected with the output C of three-phase solid relay after D5 with D6 parallel connection, the positive pole of D5 and the negative pole of D6 are connected with the output C of three-phase solid relay respectively, AC power is transformed into the DC power supply containing ripple component by three-phase bridge rectifier circuit.Filter circuit is used for the ripple in elimination rectifier output voltage, and filtered electrical routing capacitance C1, C2, C3 and inductance L 1 form LC parallel filtering circuit.IGBT full-bridge circuit is made up of four IGBT pipe QA, QB, QC, QD, sustained diode 7 ~ D10, high frequency transformer T1, secondary side rectification circuit and output filter circuits; Direct current after rectification is converted to the high-frequency alternating current that frequency is the similar square wave of 20KHZ by IGBT full-bridge circuit, and the high-frequency alternating current step-down exported by inverter circuit is responsible for by high frequency transformer; High frequency transformer secondary side rectification circuit is made up of two fast recovery diode D11 and D12, and its effect is high frequency (20KHZ) the ac square-wave voltage rectification of coming to high frequency transformer; Output filter circuit is made up of L2 and C5, by the high frequency of filter circuit elimination after over commutation, low-frequency disturbance.
Charging main circuit former limit input side voltage detecting circuit as shown in Figure 3 comprises three parts, Part I is the voltage follower of divider resistance, sampling resistor and LM324 operational amplifier composition, adopt R26 and R27 resistant series dividing potential drop, electric resistance partial pressure can reduce the temperature rise of resistance, Low Drift Temperature falls, improve certainty of measurement, R28 is sampling resistor, and the one-level LM324 integrated operational amplifier voltage follow of being sampled by R28 is to the reverse input end of secondary LM324 integrated operational amplifier; Part II forms negative feedback network by optocoupler HCNR201 and secondary LM324 operational amplifier, by the Voltage Feedback of sampling to optocoupler HCNR201; Part III is the output circuit that resistance and three grades of LM324 operational amplifiers are formed, and the voltage after linear transformation is input to the A/D switched pins of the first single-chip microcomputer PIC19F4886.Wherein C12, C13 are filter capacitor, and R29, R32 are feedback resistance, and R30, R31 are coupling resistance, and R33 is current-limiting resistance.HCNR201 linear optical coupling has the very high linearity and sensitivity, uses and accurately can transmit voltage signal in the detection system.
Key circuit module as shown in Figure 4 has and realizes charging voltage, charging current, charging interval and charging modes and arrange function.Key circuit module comprises 4 × 6 matrix keyboards and single-chip microcomputer 89C2051, input key connects the P3.0 ~ P3.7 of single-chip microcomputer 89C2051 and the I/0 pin of P4.0 ~ P4.7 mouth, the output of single-chip microcomputer 89C2051 is connected with the I/0 pin of the first single-chip microcomputer PIC19F4886, its assignment sends display circuit module to by the I/0 pin of the first single-chip microcomputer PIC19F4886 and exports, contact resistance R9, R10, R11, R12, R13, R14, R15, R16 is pull-up resistor, uncertain signal is clamped at high level by a resistance, resistance plays metering function simultaneously, to prevent the interference in the hierarchy of control, the 7 Tiaokou lines of the P3.1 to P3.7 of P3 mouth are connected to push-button switch S1 to S7 to realize input respectively, and the 8 Tiaokou lines of the P1.0 to P1.7 of P1 mouth are connected with the I/0 pin of the first single-chip microcomputer PIC19F4886, realize key assignments after treatment show by display circuit, scan the I/0 pin of the first single-chip microcomputer PIC19F4886 be connected with button during programming, if pin has one to become low level, corresponding button is pressed.Wherein pin ENTER key table show determine input; Pin CH key table and show selection; Pin the value that UP key table shows upwards page turning or increases charging voltage, charging current; Pin DOWN key table show downward page turning or reduce charging voltage, charging current value; Pin LEFT key table and show that cursor is beated left; Pin RIGHT key table and show that cursor is beated to the right; Pin RUN key table and show that super capacitor intelligent charging machine starts charging; Pin STOP key table and show that super capacitor intelligent charging machine suspends charging; Pin esc key to represent and return.The each mouth line of P3 and P4 is made to be high potential upon initialization, and then continue the input data reading P3 and P4 mouth, just can judge whether S1 to S16 is pressed, if read the data of P3 and P4 mouth are that high level illustrates do not have button to press, if read the data of P3 and P4 mouth are low level, illustrating in each mouth line of P3 and P4 has electronegative potential to input, and that is has a mouthful line to be pressed by button, has numerical value to input.R17 is reset input resistance, and RST just resets to " 1 " once the I/O pin becoming high level all; C7 and C8 is the load capacitor of crystal oscillator B, refers to that crystal oscillator wants the electric capacity required for normal oscillation, the size major effect load resonant frequency of this electric capacity and equivalent load resonant resistance.
LCD MODULE as shown in Figure 5 has display charging current, charging voltage, charging interval and charging modes informational function.LCD MODULE comprises Liquid Crystal Module LCD5110, Liquid Crystal Module LCD5110 D18 pin be connected to a variable resistor between D17 pin after be connected with power supply, for the brightness of adjustable liquid crystal display modular LCD 5110 backlight.At the backlight electric power LED negative pole D1 of Liquid Crystal Module LCD5110, D3, D5, D7 pin is connected pull-up resistor R34 respectively, R35, R36 and R37, when circuit driver is closed to circuit (node) with a fixing level, the Liquid Crystal Module LCD5110 selected is that 3.3V powers, and the power supply powering to whole control system only has+5V and+12V, in order to meet the power supply needs of Liquid Crystal Module LCD5110, power supply+the 5V that control system is powered by this circuit receives the input pin of AMS1117 chip, the output pin of AMS1117 chip is connected to the power supply D9 pin of Liquid Crystal Module LCD5110, for Liquid Crystal Module LCD5110 powers.In LCD MODULE circuit, add electrochemical capacitor C14 and C15 respectively at the input/output terminal of AMS1117 chip and carry out filtering, avoid interference.AMS1117 is the fixed pressurizer of three ends, becomes fixing voltage 3.3V to flow to Liquid Crystal Module LCD5110 system power supply power conversion.
Fault alarm module as shown in Figure 6, comprises timer 555, buzzer and light-emitting diode D14, D15, D16 etc.When the main circuit input side voltage that charges, electric current is excessive, IGBT temperature is too high or charger output voltage and electric current excessive time, buzzer all can be sounded and be reported to the police.Yellow light-emitting diode D14, red light emitting diodes D15 and green LED D16 then for distinguish be super capacitor Intelligent charging system which part there occurs fault.Such as, when yellow light-emitting diode D14 is bright, then represent that charging main circuit input side voltage, electric current are excessive; When red light emitting diodes D16 is bright, then represent that IGBT heatsink temperature is too high or charging system environment for use temperature is too high; When green LED D15 is bright, then represent that charging system output voltage, electric current are excessive.Wherein timer 555 and outward element R42, R43, C17 form multivibrator, and its control voltage input CVOLT1, CVOLT2, CVOLT3 are connected with the P2 mouth of the first single-chip microcomputer PIC19F4886, and the pulse signal exported by P2 mouth pin controls, voltage, the signal detected is delivered to the first single-chip microcomputer PIC19F4886 by electric current and temperature sensor after treatment, low and high level is exported by P2 mouth pin, when P2 mouth pin is 1, the pulse frequency that timer 555 exports is lower, when P2 mouth pin is 0, the pulse frequency that timer 555 exports is higher, this pulse signal is added on buzzer through isolation capacitance C16, buzzer will send height, the low 2 kinds of crys replaced, the pulse signal of the low and high level interval 1S of P2 mouth output is simultaneously added on light-emitting diode through resistance, diode flashing, reach the effect of acousto-optic with alarm, when there is no P2 mouth triggering signal, utilize power supply to be charged to C17 by R42, R43, and C17 being discharged by R43, making circuit produce vibration.Resistance R39, R40, R41 are used for the size of Limited Current.
CAN communication module as shown in Figure 7 comprises the first single-chip microcomputer PIC194886, digital isolator ADRM1201, CAN transceiver PCA82C250; First single-chip microcomputer PIC19F4886 be connected a digital isolator ADUM1201 between CAN transceiver PCA82C250 and carry out electrical isolation, to strengthen the antijamming capability of CAN module.Digital isolator ADUM1201 is two-channel digital isolator, it has strict passage coupling and avoids the feature of low pulse broadband distortion, electric capacity C18, C19 are connected with VDD1 and the VDD2 pin of digital isolator ADUM1201 respectively, and their effect is elimination AC signal.Each passage that pin VDD1 and VDD2 is respectively ADUM1201 provides independently power supply, and voltage is 2.7V ~ 5.5V.CAN communication interface has two functions, and one is the CAN interface by connecting charge super capacitors, reads by the state information of charge super electric capacity, as capacitance terminal voltage, electricity, temperature etc.; Another is the real-time status signal outwards being transmitted charging system by CAN.CAN controller is by judging that the potential change in CANH, CANL two buses determines reception information or transmission information, build-out resistor R44 is connected between CANH, CANL two buses, resistance is generally 120 Ω, and the bus of use is for being with the twisted-pair feeder of screen.
IGBT drive module as shown in Figure 8 comprises the first single-chip microcomputer PIC19F4886 and IGBT driving chip IR2233, the pulse signal width modulation of the first single-chip microcomputer PIC19F4886 exports (PWM) pin P1A, pulse signal width modulation output pin P1B, pulse signal width modulation output pin P1C, pulse signal width modulation output pin P1D is connected pull down resistor R50 respectively with two-way I/O mouth pin RB6, R51, R52, R55 and R54, fault clearance input FLT-CLR(the 2nd pin of IGBT driving chip IR2233) be Low level effective, connect the interference that pull-up resistor R49 prevents pulse, electric capacity C20 is the 7th pin (power pins) that electrochemical capacitor is connected to IGBT driving chip IR2233, current-limiting resistance R45, R46, R47, R48 is connected to the 19th of IGBT driving chip IR2233 the, 16, 11, 10 pins.Supply power voltage is again as the power supply that the high-side driver of IGBT driving chip IR2233 exports after diode D17, D18 isolation, and electric capacity C21, C22 are the bootstrap capacitor that high-side driver exports.The inside of IGBT driving chip IR2233 is integrated with 1 current amplifier, 1 current comparator, 1 self working power under-voltage detector, 1 fault logic processing unit, the under-voltage detector of 3 high-pressure side drive singal, 6 Low ESR output drivers, 3 input signal latchs and OR circuit.
Wireless remote control module comprises radiating portion and receiving unit as shown in Figure 9.Radiating portion comprises button S17, S18, S19, S20, coding chip PT2262, F05V transmitter module, resistance R56; Receiving unit comprises the wireless signal receiving circuit be made up of J04V, resistance R55, decoding chip PT2272 as shown in Figure 10.Coding chip PT2262, decoding chip PT2272 are the wireless remote control transmitting/receiving chips of a pair band address, data encoding function.Wherein carrier oscillator, encoder and transmitter unit are integrated in all over the body by coding chip PT2262.The transmitter module that F05V is a kind of modulation system is ASK, tranmitting frequency is 315MHZ-433MHZ tool power amplification function, J04V be a kind ofly need to be in accepting state for a long time, receive frequency is 315MHZ-433MHZ, the superregenrative reception module that exports Transistor-Transistor Logic level, there is good stability and sensitivity.Resistance R56 and resistance R55 is oscillation resistance.
The data output bit of decoding chip PT2272 is different according to its suffix difference, and data export to be had temporary and latches two kinds of modes.In usually using, generally adopt 8 bit address codes and 4 bit data codes, at this moment 1st ~ 8 pin of coding chip PT2262 and decoding chip PT2272 are address setting pin, have three kinds of states available: unsettled, connect positive supply and ground connection three kinds of states.Geocoding nonrepeatability is 3
8=6561 groups, only have coding chip PT2262 identical with the geocoding of decoding chip PT2272, could match use, if want to change coded address, such as, as long as 1 ~ 8 pin of coding chip PT2262 and decoding chip PT2272 is arranged identical, by the 2nd pin ground connection of coding chip PT2262,3rd pin connects positive supply, other pin is unsettled, the 2nd pin ground connection of decoding chip PT2272, and the 3rd pin connects positive supply, other pin is unsettled, just can realize pairing and receive.
D20, D21, D22, D23 are key-press status output, and after certain button is pressed, corresponding FPDP just exports high level, add one-level amplification and just can drive relay, pliotron, carry out the control of load remote control switch at these ports.Also directly can link on the I/O pin of the first single-chip microcomputer PIC194886, by this single-chip microcomputer image data port status, then carry out external control, first be connected by control circuit, then connected by main circuit, charging system normally works.
The invention is not restricted to above preferred implementation, in the spirit that also can limit in the claims in the present invention and specification, carry out conversion and the improvement of various ways, can same technical problem be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed by the invention directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection scope of the present invention.
Claims (10)
1. a super capacitor pure electric automobile Intelligent charging system, is characterized in that: comprise charging main circuit and control circuit, described charging main circuit comprises the galvanic three-phase bridge rectifier circuit becoming to contain ripple component by AC power by full-bridge rectification block transforms, by the filter circuit of the ripple component in filter capacitor elimination direct current, make IGBT conducting in turn, level and smooth direct current is become square wave, be added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer, output produces the high frequency transformer of alternating voltage, the AC rectification exported by described high frequency transformer, is filtered into direct voltage that user arranges or/and the output rectifier and filter of electric current, described control circuit comprises IGBT drive module, the data-signal receiving data acquisition module and send is connected with described IGBT drive module, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer is sent to display screen, be connected with described first single-chip microcomputer and gather charge main circuit output voltage and electric current, charging main circuit former limit input voltage, IGBT temperature, the data acquisition module of ambient temperature, the key circuit module be connected with described first single-chip microcomputer, display module, fault alarm module and remote control module, read by charge super capacitance information or the CAN outwards exporting charge information by CAN communication mouth.
2. super capacitor pure electric automobile Intelligent charging system according to claim 1, is characterized in that: described three-phase bridge rectifier circuit comprises the mains switch that input is connected with three-phase alternating-current supply; The three-phase solid relay that input is connected with the output of described mains switch; Six diodes be connected in parallel with the output of described three-phase solid relay, wherein the positive pole of the first diode (D1) is connected with the output terminals A of three-phase solid relay respectively with the negative pole of the second diode (D2), the positive pole of the 3rd diode (D3) is connected with the output B of three-phase solid relay respectively with the negative pole of the 4th diode (D4), and the positive pole of the 5th diode (D5) is connected with the output C of three-phase solid relay respectively with the negative pole of the 6th diode (D6); Described IGBT full-bridge circuit comprises four IGBT and manages (QA, QB, QC, QD), four fly-wheel diodes (D7 ~ D10), high frequency transformer (T1), high frequency transformer secondary side rectification circuit and output filter circuits; IGBT full-bridge circuit converts the direct current after rectification the high-frequency alternating current of similar square wave to, and the high-frequency alternating current step-down exported by inverter circuit is responsible for by high frequency transformer; Described high frequency transformer secondary side rectification circuit comprises two and the fast recovery diode connected (D11, D12); Described output filter circuit is the LC parallel filtering circuit be made up of electric capacity and inductance.
3. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterized in that: described key circuit module comprises matrix keyboard and second singlechip, input key is connected with the I/0 pin of described second singlechip, the output of described second singlechip is connected with the I/0 pin of described first single-chip microcomputer, its assignment sends display module to by the I/0 pin of the first single-chip microcomputer and exports, the output of described second singlechip and the I/0 pin of the first single-chip microcomputer are connected with several pull-up resistors (R9, R10, R11, R12, R13, R14, R15, R16).
4. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterized in that: described charging main circuit former limit input voltage data acquisition module comprises the voltage follower be made up of divider resistance (R26, R27), sampling resistor (R28) and operational amplifier, one-level integrated operational amplifier is by the reverse input end of the voltage follow of sampling to secondary integrated operational amplifier; Negative feedback network is formed, by the Voltage Feedback of sampling to optocoupler (HCNR201) by optocoupler (HCNR201) and two-level operating amplifier; The output circuit be made up of resistance and three-stage operational amplifier, is input to the A/D switched pins of the first single-chip microcomputer (PIC19F4886) by the voltage after linear transformation.
5. super capacitor pure electric automobile Intelligent charging system according to claim 1, is characterized in that: described display module comprises display charging current, charging voltage, charging interval and charging modes information.
6. super capacitor pure electric automobile Intelligent charging system according to claim 1 or 5, is characterized in that: described display module comprises Liquid Crystal Module (LCD5110); And the variable resistor (R38) be connected between the two pins (D18, D17) of described Liquid Crystal Module (LCD5110); The pull-up resistor (R34, R35, R36, R37) of connecting respectively with the backlight electric power LED negative pole (D1, D3, D5, D7) of described Liquid Crystal Module (LCD5110); The AMS1117 chip be connected with the power pins (D9) of power supply and described Liquid Crystal Module (LCD5110); Be connected to the input of described AMS1117 chip and the filter capacitor (C14, C15) of output.
7. super capacitor pure electric automobile Intelligent charging system according to claim 1, is characterized in that: described fault alarm module, comprises timer (555), buzzer and three light-emitting diodes (D14, D15, D16), described timer (555) and outer meeting resistance (R42, R43), electric capacity (C17) forms multivibrator, three control voltage input (CVOLT1 of described timer (555), CVOLT2, CVOLT3) respectively through current-limiting resistance (R39, R40, R41) be connected with the first single-chip microcomputer (PIC19F4886) afterwards, described timer (555) three control voltage input (CVOLT1, CVOLT2, CVOLT3) also respectively with three light-emitting diode (D14, D15, D16) connect, the pulse signal that described timer (555) exports by the first single-chip microcomputer (PIC19F4886) controls.
8. super capacitor pure electric automobile Intelligent charging system according to claim 1, is characterized in that: described CAN comprises the first single-chip microcomputer (PIC194886); CAN transceiver (PCA82C250); Be connected to the digital isolator (ADUM1201) between the first single-chip microcomputer (PIC194886) and CAN transceiver (PCA82C250); Be connected to the electric capacity (C18, C19) for elimination AC signal on described digital isolator (ADUM1201); Be connected to the build-out resistor (R44) between CAN transceiver (PCA82C250) two buses.
9. super capacitor pure electric automobile Intelligent charging system according to claim 1, is characterized in that: described IGBT drive module comprises the first single-chip microcomputer (PIC194886); The IGBT driving chip (IR2233) be connected with described first single-chip microcomputer (PIC194886); Four PWM output pins (P1A, P1B, P1C, P1D) that described first single-chip microcomputer (PIC194886) is connected with IGBT driving chip (IR2233) and two-way I/O mouth (RB6) are connected to the pull down resistor (R50, R51, R52, R55, R54) of ground connection; The fault clearance input (FLT-CLR) that described IGBT driving chip (IR2233) is connected with the first single-chip microcomputer (PIC194886) is connected with the pull-up resistor (R49) be connected with power supply; 7th pin of described IGBT driving chip (IR2233) is connected with the electric capacity (C2) be connected with power supply; High-side driver output pin (19,16) and the low side driver output pin (11,10) of described IGBT driving chip (IR2233) are connected to current-limiting resistance (R45, R46, R47, R48).
10. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterized in that: described remote control module comprises radiating portion and receiving unit, described radiating portion comprises by coding chip (PT2262), the transmitter module (F05V) be connected with described coding chip (PT2262), the radio transmitter that several buttons (S17, S18, S19, S20) be connected with described coding chip (PT2262) form; Described receiving unit comprises the wireless signal receiving circuit that the receiver module (J04V) that is connected with described decoding chip (PT2272) by decoding chip (PT2272) and resistance (R55) form; Described coding chip (PT2262) and decoding chip (PT2272) are the wireless remote control transmitting/receiving chips of a pair band address, data encoding function.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114229A (en) * | 2016-07-22 | 2016-11-16 | 郑州大学西亚斯国际学院 | A kind of electric motor car safety early warning device |
| CN106385092A (en) * | 2016-10-31 | 2017-02-08 | 江苏华航威泰机器人科技有限公司 | Robot intelligent charging system |
| CN107024912A (en) * | 2017-05-04 | 2017-08-08 | 安徽庆恒信息科技有限公司 | Intelligent home control system |
| CN107294173A (en) * | 2017-07-24 | 2017-10-24 | 北方民族大学 | A kind of intelligent quick charge instrument and its control method |
| CN107623345A (en) * | 2017-05-04 | 2018-01-23 | 合肥中耐电子设备有限公司 | A kind of control system of intelligent charging machine control panel |
| CN107959458A (en) * | 2017-12-06 | 2018-04-24 | 海信（山东）空调有限公司 | Dc bus low capacity capacitance frequency conversion control circuit and frequency conversion equipment |
| CN108282016A (en) * | 2018-04-09 | 2018-07-13 | 深圳市雅德电源科技股份有限公司 | Aptitude chargeable circuit |
| CN108809785A (en) * | 2018-06-08 | 2018-11-13 | 中国电子科技集团公司第十四研究所 | Power Monitoring Unit based on CANFD buses |
| CN109038856A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | A kind of real-time resonant-gate wireless electric vehicle charging device |
| CN109398146A (en) * | 2018-09-05 | 2019-03-01 | 广东工业大学 | A kind of charging pile DC charging and monitoring system |
| CN111864883A (en) * | 2020-06-24 | 2020-10-30 | 深圳供电局有限公司 | Emergency power supply circuit, emergency power supply and elevator system |
| CN112039349A (en) * | 2020-09-10 | 2020-12-04 | 洛阳博日智能科技有限公司 | Intelligent high-frequency high-voltage modular power supply |
| CN112838971A (en) * | 2019-11-22 | 2021-05-25 | 恩智浦有限公司 | CAN communication under cable breaking condition |
| CN114421563A (en) * | 2022-01-12 | 2022-04-29 | 国能信控互联技术(河北)有限公司 | Super capacitor reverse connection protection device and method for wind power pitch control |
| CN114670639A (en) * | 2022-01-05 | 2022-06-28 | 北京新能源汽车股份有限公司 | Active short circuit control framework, control method and system for pure electric vehicle |
| CN116533260A (en) * | 2023-04-28 | 2023-08-04 | 上海长征医院 | Anti-interference method of vein anesthesia robot system for ship |
| CN116846372A (en) * | 2023-07-04 | 2023-10-03 | 广州联航科电气机械有限公司 | Alternating-current charging pile control guide PWM (pulse-Width modulation) generation and detection circuit |
| CN117485168A (en) * | 2023-12-22 | 2024-02-02 | 江苏日盈电子股份有限公司 | Charging pile and charging method for electric automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020726A2 (en) * | 2007-08-03 | 2009-02-04 | Alstom Transport S.A. | Method of powering emergency auxiliary loads, auxiliary converter and railway vehicle for this method |
| CN101856769A (en) * | 2009-04-09 | 2010-10-13 | 上海波宝仟赫科技有限公司 | Plasma arc cutting and welding power supply |
| CN205283222U (en) * | 2015-12-25 | 2016-06-01 | 谢镕安 | Super capacitor pure electric vehicles intelligent charging system |
-
2015
- 2015-12-25 CN CN201510984592.XA patent/CN105406569A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020726A2 (en) * | 2007-08-03 | 2009-02-04 | Alstom Transport S.A. | Method of powering emergency auxiliary loads, auxiliary converter and railway vehicle for this method |
| CN101856769A (en) * | 2009-04-09 | 2010-10-13 | 上海波宝仟赫科技有限公司 | Plasma arc cutting and welding power supply |
| CN205283222U (en) * | 2015-12-25 | 2016-06-01 | 谢镕安 | Super capacitor pure electric vehicles intelligent charging system |
Non-Patent Citations (3)
| Title |
|---|
| 代娟: "超级电容智能充电机的研制", 《CNKI优秀硕士学位论文全文数据库》 * |
| 王全宇: "555多谐振荡器在温控报警电路中的应用", 《大学物理实验》 * |
| 谢辉 等: "基于 PIC单片机的无线遥控小车设计", 《今日电子》 * |
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| CN106385092A (en) * | 2016-10-31 | 2017-02-08 | 江苏华航威泰机器人科技有限公司 | Robot intelligent charging system |
| CN107024912A (en) * | 2017-05-04 | 2017-08-08 | 安徽庆恒信息科技有限公司 | Intelligent home control system |
| CN107623345A (en) * | 2017-05-04 | 2018-01-23 | 合肥中耐电子设备有限公司 | A kind of control system of intelligent charging machine control panel |
| CN107294173B (en) * | 2017-07-24 | 2023-07-14 | 北方民族大学 | Intelligent rapid charging instrument and control method thereof |
| CN107294173A (en) * | 2017-07-24 | 2017-10-24 | 北方民族大学 | A kind of intelligent quick charge instrument and its control method |
| CN107959458A (en) * | 2017-12-06 | 2018-04-24 | 海信（山东）空调有限公司 | Dc bus low capacity capacitance frequency conversion control circuit and frequency conversion equipment |
| CN108282016A (en) * | 2018-04-09 | 2018-07-13 | 深圳市雅德电源科技股份有限公司 | Aptitude chargeable circuit |
| CN108282016B (en) * | 2018-04-09 | 2023-12-19 | 深圳市雅德电源科技股份有限公司 | Intelligent charging circuit |
| CN108809785A (en) * | 2018-06-08 | 2018-11-13 | 中国电子科技集团公司第十四研究所 | Power Monitoring Unit based on CANFD buses |
| CN109038856A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | A kind of real-time resonant-gate wireless electric vehicle charging device |
| CN109038856B (en) * | 2018-08-07 | 2022-03-08 | 吉林大学 | Real-time resonance control type wireless charging device for electric automobile |
| CN109398146A (en) * | 2018-09-05 | 2019-03-01 | 广东工业大学 | A kind of charging pile DC charging and monitoring system |
| CN112838971A (en) * | 2019-11-22 | 2021-05-25 | 恩智浦有限公司 | CAN communication under cable breaking condition |
| CN111864883A (en) * | 2020-06-24 | 2020-10-30 | 深圳供电局有限公司 | Emergency power supply circuit, emergency power supply and elevator system |
| CN112039349A (en) * | 2020-09-10 | 2020-12-04 | 洛阳博日智能科技有限公司 | Intelligent high-frequency high-voltage modular power supply |
| CN114670639A (en) * | 2022-01-05 | 2022-06-28 | 北京新能源汽车股份有限公司 | Active short circuit control framework, control method and system for pure electric vehicle |
| CN114670639B (en) * | 2022-01-05 | 2024-06-25 | 北京新能源汽车股份有限公司 | Active short-circuit control architecture, control method and system for pure electric vehicle |
| CN114421563A (en) * | 2022-01-12 | 2022-04-29 | 国能信控互联技术(河北)有限公司 | Super capacitor reverse connection protection device and method for wind power pitch control |
| CN114421563B (en) * | 2022-01-12 | 2024-09-27 | 国能信控互联技术(河北)有限公司 | Super capacitor reverse connection protection device and method for wind power variable pitch |
| CN116533260A (en) * | 2023-04-28 | 2023-08-04 | 上海长征医院 | Anti-interference method of vein anesthesia robot system for ship |
| CN116533260B (en) * | 2023-04-28 | 2024-04-09 | 上海长征医院 | Anti-interference method of vein anesthesia robot system for ship |
| CN116846372A (en) * | 2023-07-04 | 2023-10-03 | 广州联航科电气机械有限公司 | Alternating-current charging pile control guide PWM (pulse-Width modulation) generation and detection circuit |
| CN116846372B (en) * | 2023-07-04 | 2024-06-11 | 广州联航科电气机械有限公司 | Alternating-current charging pile control guide PWM (pulse-Width modulation) generation and detection circuit |
| CN117485168A (en) * | 2023-12-22 | 2024-02-02 | 江苏日盈电子股份有限公司 | Charging pile and charging method for electric automobile |
| CN117485168B (en) * | 2023-12-22 | 2024-04-26 | 江苏日盈电子股份有限公司 | Charging pile and charging method for electric automobile |
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