CN205283222U - Super capacitor pure electric vehicles intelligent charging system - Google Patents

Abstract

The utility model provides a super capacitor pure electric vehicles intelligent charging system, includes charging nain circuit and control circuit, charging nain circuit includes and alternaties the galvanic three -phase bridge rectifier circuit who becomes to contain the ripple component with alternating current power supply through full -bridge rectifier module, filter circuit through the ripple component in the filter capacitance elimination direct current, makes IGBT switch on in turn, becomes the square wave with the direct current of smoothness, adds the IGBT full -bridge transfer circuit of stating high -frequency transformer's input after, and the output produces alternating voltage's high -frequency transformer, will the alternating current rectification of high -frequency transformer output, filtering are the DC voltage of user's setting or / and the output Rectifier filter circuit of electric current, control circuit includes IGBT drive module, gathers charging nain circuit output voltage and electric current, the former limit input voltage of charging nain circuit, IGBT temperature, ambient temperature's data acquisition module, man -machine interaction module, display module, fault alarm module and remote control module, CAN drive module 0.

Description

A kind of super capacitor pure electric automobile Intelligent charging system

Technical field

This utility model relates to pure electric automobile charging technique field, particularly relates to a kind of super capacitor pure electric automobile Intelligent charging system.

Background technology

Since entering 21 century, energy-conservation and environmental protection becomes the focus of energy problem. Along with the high speed development of auto industry, automobile enters daily life in a large number, but along with the universal of automobile brings day by day serious environmental problem. It would therefore be desirable to the environmental protection and economized path that make new advances are expanded in the development of auto industry. The appearance of electric automobile then can solve the predicament of automobile environmental pollution, especially pure electric automobile preferably, is absent from motor vehicle exhaust emission, therefore, the research and development of electric automobile has become as the focus of the world today. The peak power characteristic of traditional storage battery cannot meet electric automobile starting, accelerate and demand to power under the special operation condition such as climbing, the charge-discharge characteristic of traditional storage battery, the development further of electric automobile is restricted. And ultracapacitor is used on electric automobile as when driving power supply, it is possible to make up traditional storage battery deficiency in power characteristic. When automobile be in acceleration or load-carrying climb in particular cases, the high power discharge of ultracapacitor, the grade climbing performance of automobile can be improved, when braking suddenly, then absorbed the energy produced in braking procedure by ultracapacitor, ultracapacitor can meet electric automobile starting, braking and demand to high power discharge during climbing. Super capacitor has the superior functions such as charging rate is fast, specific power is high, specific energy is big, service life cycle length, is applied in electric automobile and has certain superiority.

Electrokinetic cell is the core energy of electric automobile, but the charging system function giving power battery charging at present is also more single, charging process is also long, also need to more external control intervention or even human intervention in the process of charging, control parts for charger service also compare many, thus having to use DC/DC or low-tension supply in charging process is that each control parts are powered, so that DC/DC is operated in inefficient interval or waste low-tension supply energy. Inevitably have impact on the reasonability of energy ecology, the convenience of use and charging process, in the life-span that to a certain degree also have impact on electrokinetic cell, hinder the universal of electric automobile and application.

Utility model content

In order to overcome the defect of prior art, this utility model provides one to have that charge efficiency is high, simple to operate, lightweight, volume is little; There is anti-reverse, overload, the multiple protection functions such as short-circuit, overheated and control the super capacitor pure electric automobile Intelligent charging system of function.

In order to solve above-mentioned technical problem, this utility model provides a kind of super capacitor pure electric automobile Intelligent charging system, and it includes charging main circuit and control circuit, described charging main circuit includes by full-bridge rectification block transforms, alternating current power supply is become the galvanic three-phase bridge rectifier circuit containing ripple component, by the filter circuit of the ripple component in filter capacitor elimination unidirectional current, IGBT is made to turn in turn, smooth unidirectional current is become square wave, it is added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer, outfan produces the high frequency transformer of alternating voltage, and the AC rectification exported by described high frequency transformer, the DC voltage being filtered into user setup are or/and the output rectifier and filter of electric current, described control circuit includes IGBT drive module, it is connected with described IGBT drive module and receives the data signal that data acquisition module transmission comes, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer is sent to display screen, collection charging main circuit output voltage and electric current it is connected with described first single-chip microcomputer, charging main circuit former limit input voltage, IGBT temperature, the data acquisition module of ambient temperature, the key circuit module being connected with described first single-chip microcomputer, display module, fault alarm module and remote control module, read by CAN communication mouth and be electrically charged super capacitor information or outwards export the CAN of charge information.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described three-phase bridge rectifier circuit includes the on and off switch that input is connected with three-phase alternating-current supply; The three-phase solid relay that input is connected with the outfan of described on and off switch; Six diodes being connected in parallel with the outfan of described three-phase solid relay, wherein the positive pole of the first diode and the negative pole of the second diode are connected with the output terminals A of three-phase solid relay respectively, the positive pole of the 3rd diode and the negative pole of the 4th diode are connected with the outfan B of three-phase solid relay respectively, and the positive pole of the 5th diode and the negative pole of the 6th diode are connected with the outfan C of three-phase solid relay respectively; Described IGBT full-bridge circuit includes four IGBT pipe, four fly-wheel diodes, high frequency transformer, high frequency transformer secondary side rectification circuit and output filter circuit; IGBT full-bridge circuit converts the unidirectional current after rectification the high-frequency alternating current of similar square wave to, and the high-frequency alternating current blood pressure lowering exported by inverter circuit is responsible for by high frequency transformer; Described high frequency transformer secondary side rectification circuit includes two and the fast recovery diode connected; Described output filter circuit is the LC parallel filtering circuit being made up of electric capacity and inductance.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described key circuit module includes matrix keyboard and second singlechip, input key is connected with the I/0 pin of described second singlechip, the outfan of described second singlechip is connected with the I/0 pin of described first single-chip microcomputer, its assignment sends display module output to by the I/0 pin of the first single-chip microcomputer, and the outfan of described second singlechip and the I/0 pin of the first single-chip microcomputer are connected to several pull-up resistors.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described charging main circuit former limit input voltage data acquisition module includes the voltage follower being 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 two grades of integrated operational amplifiers; Negative feedback network is constituted, by the Voltage Feedback of sampling to optocoupler by optocoupler and two-level operating amplifier; The output circuit being 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, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described display module includes display charging current, charging voltage, charging interval and charging modes information.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described display module includes Liquid Crystal Module; The variable resistance being connected with between the two pins of described Liquid Crystal Module; The pull-up resistor connected respectively with the backlight electric power LED negative pole of described Liquid Crystal Module; The AMS1117 chip being connected with the power pins of power supply and described Liquid Crystal Module; It is connected to the input of described AMS1117 chip and the filter capacitor of outfan.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described fault alarm module, including intervalometer, buzzer and three light emitting diodes; Described intervalometer and outer meeting resistance, electric capacity constitute multivibrator, three of described intervalometer control voltage input end and are connected with the first single-chip microcomputer after current-limiting resistance respectively, described intervalometer three controls voltage input end and is also connected with three light emitting diodes respectively, and the pulse signal that described intervalometer is exported by the first single-chip microcomputer controls.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described CAN includes the first single-chip microcomputer; CAN transceiver; It is connected to the digital isolator between the first single-chip microcomputer and CAN transceiver; It is connected on described digital isolator the electric capacity for elimination AC signal; It is connected to the build-out resistor between two buses of CAN transceiver.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described IGBT drive module includes the first single-chip microcomputer; The IGBT driving chip being 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 and the first single-chip microcomputer connect is connected to the pull-up resistor being connected with power supply; 7th pin (power pins) of described IGBT driving chip is connected to the electric capacity being connected with power supply; The high-side driver output pin of described IGBT driving chip and low side drive output pin to be connected to current-limiting resistance.

As further improvement opportunity scheme, the super capacitor pure electric automobile Intelligent charging system that this utility model provides, described remote control module includes emitting portion and reception part, described emitting portion includes by coding chip, the transmitter module being connected with described coding chip, the radio transmitter of several buttons being connected with described coding chip composition; Described acceptance division divides the wireless signal receiving circuit that the receiver module including being connected with described decoding chip by decoding chip and resistance form; Described coding chip and decoding chip are that chip is launched/received to a pair wireless remote control with address, data encoding function.

When not conflicting, above-mentioned improvement project can be implemented alone or in combination.

The beneficial effect that this utility model brings: the technical scheme that this utility model provides; 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, the function such as multiple protection functions and delayed startup, soft start, remote controller control such as short-circuit, overheated.

Accompanying drawing explanation

Accompanying drawing is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model. 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.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.

Super capacitor pure electric automobile Intelligent charging system as shown in Figure 1, including charging main circuit and control circuit, charging main circuit includes by full-bridge rectification block transforms, alternating current power supply is become the galvanic three-phase bridge rectifier circuit containing ripple component, by the filter circuit of the ripple component in filter capacitor elimination unidirectional current, IGBT is made to turn in turn, smooth unidirectional current is become square wave, it is added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer T1, outfan produces the high frequency transformer T1 of alternating voltage, and the AC rectification that exported by described high frequency transformer T1, the DC voltage being filtered into user setup are or/and the output rectifier and filter of electric current, described control circuit includes 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 data acquisition module and send the data signal of coming, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer PIC19F4886 is sent to display module, read by CAN communication mouth and be electrically charged super capacitor information or outwards export the CAN of charge information.

As in figure 2 it is shown, three phase rectifier filter circuit includes 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 includes the on and off switch K1 that input is connected with three-phase alternating-current supply, the three-phase solid relay that input is connected with the outfan of on and off switch K1, six the diode D1��D6 being connected with the outfan of three-phase solid relay, wherein it is connected with the output terminals A of three-phase solid relay after D1 and 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, after D3 and D4 parallel connection, the outfan B with three-phase solid relay is connected, the positive pole of D3 is connected with the outfan B of three-phase solid relay respectively with the negative pole of D4, after D5 and D6 parallel connection, the outfan C with three-phase solid relay is connected, the positive pole of D5 is connected with the outfan C of three-phase solid relay respectively with the negative pole of D6, alternating current power supply is transformed into the DC source containing ripple component by three-phase bridge rectifier circuit. filter circuit forms LC parallel filtering circuit for the ripple in elimination rectifier output voltage, filtered electrical routing capacitance C1, C2, C3 and inductance L1. 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 circuit, unidirectional current after rectification is converted to the high-frequency alternating current of the similar square wave that frequency is 20KHZ by IGBT full-bridge circuit, and the high-frequency alternating current blood pressure lowering 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 that high frequency transformer is come, output filter circuit is made up of L2 and C5, by filter circuit elimination high frequency after over commutation, low-frequency disturbance.

Charging main circuit former limit input side voltage detecting circuit as shown in Figure 3 includes 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 drops, improving certainty of measurement, R28 is sampling resistor, and one-level LM324 integrated operational amplifier is by the reverse input end of the R28 voltage follow sampled to two grades of LM324 integrated operational amplifiers; Part II is constituted negative feedback network by optocoupler HCNR201 and two grades of LM324 operational amplifiers, by the Voltage Feedback of sampling to optocoupler HCNR201; Part III is resistance and the output circuit of three grades of LM324 operational amplifier compositions, 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 significantly high linearity and sensitivity, uses and can accurately 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 includes 4 �� 6 matrix keyboards and single-chip microcomputer 89C2051, input key connects the I/0 pin of P3.0��P3.7 and P4.0��P4.7 mouth of single-chip microcomputer 89C2051, the outfan of single-chip microcomputer 89C2051 and the I/0 pin of the first single-chip microcomputer PIC19F4886 are connected, its assignment sends display circuit module output to by the I/0 pin of the first single-chip microcomputer PIC19F4886, connect 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 control volume system, the 7 Tiaokou lines of the P3.1 to P3.7 of P3 mouth are connected to press button S1 to S7 respectively and realize inputting, and the 8 Tiaokou lines of the P1.0 to P1.7 of P1 mouth and the I/0 pin of the first single-chip microcomputer PIC19F4886 are connected, and are realized key assignments by display circuit after treatment and show, scanning the I/0 pin of the first single-chip microcomputer PIC19F4886 being connected with button during programming, if pin has one to become low level, corresponding button is pressed. wherein pin ENTER key table to show and determine input, pin CH key table and show selection, pin UP key table and show the value paging up or increasing 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 to the 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 to charge up, pin STOP key table and show that super capacitor intelligent charging machine suspends charging, pin esc key and represent return. making each mouth line of P3 and P4 upon initialization is high potential, then the input data of P3 and P4 mouth are persistently read again, it may determine that 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, illustrate that each mouth line of P3 and P4 has electronegative potential to input, say, that have a mouthful line to be pressed by button, have numerical value to input. R17 is reset input resistance, and RST resets upon " 1 " once become all of I/O pin of high level, 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 includes Liquid Crystal Module LCD5110, is connected with power supply, for the brightness of adjustable liquid crystal display modular LCD 5110 backlight between the D18 pin and D17 pin of Liquid Crystal Module LCD5110 after being connected to a variable resistance. backlight electric power LED negative pole D1 at 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 only have+5V and+12V to the power supply of whole control system power supply, in order to meet the power supply needs of Liquid Crystal Module LCD5110, power supply+the 5V controlling system power supply is received the input pin of AMS1117 chip by this circuit, the output pin of AMS1117 chip is connected to the power supply D9 pin of Liquid Crystal Module LCD5110, power for Liquid Crystal Module LCD5110. in LCD MODULE circuit, the input/output terminal at AMS1117 chip adds electrochemical capacitor C14 and C15 respectively and is filtered, it is to avoid interference. AMS1117 is the three fixed manostat of end, 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, including intervalometer 555, buzzer and light emitting diode D14, D15, D16 etc. when charge main circuit input side voltage, electric current is excessive, IGBT temperature is too high or charger output voltage and electric current excessive time, buzzer all can send sound and report 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 it represents that charging main circuit input side voltage, electric current are excessive, when red light emitting diodes D16 is bright, then it represents that IGBT heatsink temperature is too high or charging system use ambient temperature is too high, when green LED D15 is bright, then it represents that charging system output voltage, electric current are excessive. wherein intervalometer 555 and outward element R42, R43, C17 constitute multivibrator, and it controls the P2 mouth connection of voltage input end CVOLT1, CVOLT2, CVOLT3 and the first single-chip microcomputer PIC19F4886, and the pulse signal by the output of P2 mouth foot 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 foot, when P2 mouth pin is 1, the pulse frequency of intervalometer 555 output is relatively low, when P2 mouth pin is 0, the pulse frequency of intervalometer 555 output is higher, this pulse signal is added on buzzer through isolation capacitance C16, buzzer will send height, low 2 kinds of crys alternately, the pulse signal of the low and high level interval 1S of P2 mouth output simultaneously is added on light emitting diode through resistance, diode flashing, reach the acousto-optic effect with alarm, when not having P2 mouth to trigger signal, utilize power supply to pass through R42, R43 and charge to C17, and C17 is discharged by R43, make circuit produce vibration. resistance R39, R40, R41 are for limiting the size of electric current.

CAN communication module as shown in Figure 7 includes the first single-chip microcomputer PIC194886, digital isolator ADRM1201, CAN transceiver PCA82C250; It is connected a digital isolator ADUM1201 between first single-chip microcomputer PIC19F4886 and CAN transceiver PCA82C250 and carries out electrical isolation, to strengthen the capacity of resisting disturbance 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 of pin VDD1 and VDD2 respectively ADUM1201 provides independent power supply, and voltage is 2.7V��5.5V. CAN communication interface has two functions, and one is CAN interface by connecting charge super capacitors, reads and is electrically charged the status information of super capacitor, such as capacitance terminal voltage, electricity, temperature etc.; Another is the real-time status signal by CAN transfer-out charging system. CAN controller is by judging that the potential change in two buses of CANH, CANL determines reception information or transmission information, it is connected to build-out resistor R44 between two buses of CANH, CANL, resistance is generally 120 ��, and the bus of use is the twisted-pair feeder with screen layer.

IGBT drive module as shown in Figure 8 includes the first single-chip microcomputer PIC19F4886 and IGBT driving chip IR2233, pulse signal width modulation output (PWM) pin P1A of first single-chip microcomputer PIC19F4886, pulse signal width modulation output pin P1B, pulse signal width modulation output pin P1C, pulse signal width modulation output pin P1D and two-way I/O mouth pin RB6 connects pull down resistor R50 respectively, R51, R52, R55 and R54, fault clearance input FLT-CLR(the 2nd pin of IGBT driving chip IR2233) it is Low level effective, connect pull-up resistor R49 and prevent the interference of 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, 16, 11, 10 pins. the power supply that supply voltage exports as the high-side driver of IGBT driving chip IR2233 again after diode D17, D18 isolate, electric capacity C21, C22 are the bootstrap capacitor of high-side driver output. IGBT driving chip IR2233 is internally integrated 1 current amplifier, 1 current comparator, 1 self working power under-voltage detector, 1 fault logic processing unit, 3 high-pressure sides driving under-voltage detector of signal, 6 Low ESR output drivers, 3 input signal latch and an OR circuit.

Wireless remote control module includes emitting portion and reception part as shown in Figure 9. Emitting portion includes button S17, S18, S19, S20, coding chip PT2262, F05V transmitter module, resistance R56; Acceptance division divides the wireless signal receiving circuit including being made up of J04V, resistance R55, decoding chip PT2272 as shown in Figure 10. Coding chip PT2262, decoding chip PT2272 are that chip is launched/received to a pair wireless remote control with address, data encoding function. Wherein carrier oscillator, encoder and transmitter unit are integrated in all over the body by coding chip PT2262. F05V is a kind of modulation system be ASK, tranmitting frequency is the 315MHZ-433MHZ transmitter module having power amplification function, J04V is that a kind of needs are chronically at reception state, reception frequency is superregenrative reception module 315MHZ-433MHZ, output Transistor-Transistor Logic level, has good stability and susceptiveness. 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 output has temporary and latches two ways. In generally using, being generally adopted 8 bit address codes and 4 bit data codes, at this moment the 1st��8 foot of coding chip PT2262 and decoding chip PT2272 is that address sets foot, has three kinds of states available: unsettled, connect positive supply and three kinds of states of ground connection. Geocoding nonrepeatability is 3⁸=6561 groups, only coding chip PT2262 is identical with the geocoding of decoding chip PT2272, could match use, if it is desired to change coded address, as long as 1��8 foot of coding chip PT2262 and decoding chip PT2272 is arranged identical, for instance, by the 2nd foot ground connection of coding chip PT2262,3rd foot connects positive supply, other foot is unsettled, the 2nd foot ground connection of decoding chip PT2272, and the 3rd foot connects positive supply, other foot is unsettled, can be achieved with pairing and receives.

D20, D21, D22, D23 are key-press status outfan, and after certain button is pressed, corresponding FPDP just exports high level, add one-level amplification at these ports and just can drive relay, pliotron, carry out load remote switch control. Can also be attached directly on the I/O foot of the first single-chip microcomputer PIC194886, gather FPDP state by this single-chip microcomputer, then carry out external control, first control circuit be connected, then main circuit be connected, charging system normal operation.

This utility model is not limited to above preferred implementation, also in the spirit that this utility model claim and description limit, can carry out conversion and the improvement of various ways, can solve same technical problem, and obtain intended technique effect, therefore not repeat. Those of ordinary skill in the art can from this utility model disclosure directly or all schemes associated, as long as within the spirit that claim limits, falling within protection domain of the present utility model.

Claims (10)

1. a super capacitor pure electric automobile Intelligent charging system, it is characterised in that: include charging main circuit and control circuit, described charging main circuit includes by full-bridge rectification block transforms, alternating current power supply is become the galvanic three-phase bridge rectifier circuit containing ripple component, by the filter circuit of the ripple component in filter capacitor elimination unidirectional current, IGBT is made to turn in turn, smooth unidirectional current is become square wave, it is added in the IGBT full-bridge circuit of the input of aftermentioned high frequency transformer, outfan produces the high frequency transformer of alternating voltage, and the AC rectification exported by described high frequency transformer, the DC voltage being filtered into user setup are or/and the output rectifier and filter of electric current, described control circuit includes IGBT drive module, it is connected with described IGBT drive module and receives the data signal that data acquisition module transmission comes, carry out strategy to judge, send charging control signal, the first aobvious single-chip microcomputer is sent to display screen, collection charging main circuit output voltage and electric current it is connected with described first single-chip microcomputer, charging main circuit former limit input voltage, IGBT temperature, the data acquisition module of ambient temperature, the key circuit module being connected with described first single-chip microcomputer, display module, fault alarm module and remote control module, read by CAN communication mouth and be electrically charged super capacitor information or outwards export the CAN of charge information.

2. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterised in that: described three-phase bridge rectifier circuit includes the on and off switch that input is connected with three-phase alternating-current supply; The three-phase solid relay that input is connected with the outfan of described on and off switch; Six diodes being connected in parallel with the outfan of described three-phase solid relay, wherein the positive pole of the first diode (D1) and the negative pole of the second diode (D2) are connected with the output terminals A of three-phase solid relay respectively, the positive pole of the 3rd diode (D3) and the negative pole of the 4th diode (D4) are connected with the outfan B of three-phase solid relay respectively, and the positive pole of the 5th diode (D5) and the negative pole of the 6th diode (D6) are connected with the outfan C of three-phase solid relay respectively; Described IGBT full-bridge circuit includes four IGBT pipe (QA, QB, QC, QD), four fly-wheel diodes (D7��D10), high frequency transformer (T1), high frequency transformer secondary side rectification circuit and output filter circuit; IGBT full-bridge circuit converts the unidirectional current after rectification the high-frequency alternating current of similar square wave to, and the high-frequency alternating current blood pressure lowering exported by inverter circuit is responsible for by high frequency transformer; Described high frequency transformer secondary side rectification circuit includes two and the fast recovery diode (D11, D12) connected; Described output filter circuit is the LC parallel filtering circuit being 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 includes matrix keyboard and second singlechip, input key is connected with the I/0 pin of described second singlechip, the outfan of described second singlechip is connected with the I/0 pin of described first single-chip microcomputer, its assignment sends display module output to by the I/0 pin of the first single-chip microcomputer, the outfan of described second singlechip and the I/0 pin of the first single-chip microcomputer are connected to 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 includes the voltage follower being 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 two grades of integrated operational amplifiers; Negative feedback network is constituted, by the Voltage Feedback of sampling to optocoupler (HCNR201) by optocoupler (HCNR201) and two-level operating amplifier; The output circuit being 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, it is characterised in that: described display module includes 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, it is characterised in that: described display module includes Liquid Crystal Module (LCD5110); And the variable resistance (R38) being connected between the two pins (D18, D17) of described Liquid Crystal Module (LCD5110); The pull-up resistor (R34, R35, R36, R37) connected respectively with backlight electric power LED negative pole (D1, D3, D5, D7) of described Liquid Crystal Module (LCD5110); The AMS1117 chip being connected with the power pins (D9) of power supply and described Liquid Crystal Module (LCD5110); It is connected to the input of described AMS1117 chip and the filter capacitor (C14, C15) of outfan.

7. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterised in that: described fault alarm module, including intervalometer (555), buzzer and three light emitting diodes (D14, D15, D16), described intervalometer (555) and outer meeting resistance (R42, R43), electric capacity (C17) constitutes multivibrator, three of described intervalometer (555) control voltage input end (CVOLT1, CVOLT2, CVOLT3) respectively through current-limiting resistance (R39, R40, R41) it is connected with the first single-chip microcomputer (PIC19F4886) afterwards, described intervalometer (555) three controls voltage input end (CVOLT1, CVOLT2, CVOLT3) also respectively with three light emitting diode (D14, D15, D16) connect, the pulse signal that described intervalometer (555) is exported by the first single-chip microcomputer (PIC19F4886) controls.

8. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterised in that: described CAN includes the first single-chip microcomputer (PIC194886); CAN transceiver (PCA82C250); It is connected to the digital isolator (ADUM1201) between the first single-chip microcomputer (PIC194886) and CAN transceiver (PCA82C250); It is connected to the upper electric capacity (C18, C19) for elimination AC signal of described digital isolator (ADUM1201); It is connected to the build-out resistor (R44) between two buses of CAN transceiver (PCA82C250).

9. super capacitor pure electric automobile Intelligent charging system according to claim 1, it is characterised in that: described IGBT drive module includes the first single-chip microcomputer (PIC194886); The IGBT driving chip (IR2233) being 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 to the pull-up resistor (R49) being connected with power supply; 7th pin of described IGBT driving chip (IR2233) is connected to the electric capacity (C2) being connected with power supply; The high-side driver output pin (19,16) of described IGBT driving chip (IR2233) and low side drive output pin (11,10) to be 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 includes emitting portion and reception part, described emitting portion includes by coding chip (PT2262), the transmitter module (F05V) being connected with described coding chip (PT2262), the radio transmitter that several buttons (S17, S18, S19, S20) being connected with described coding chip (PT2262) form; Described acceptance division divides the wireless signal receiving circuit that the receiver module (J04V) including being connected with described decoding chip (PT2272) by decoding chip (PT2272) and resistance (R55) form; Described coding chip (PT2262) and decoding chip (PT2272) are that chip is launched/received to a pair wireless remote control with address, data encoding function.