CN204681110U - A kind of high-efficiency electric automobile charging system - Google Patents
A kind of high-efficiency electric automobile charging system Download PDFInfo
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- CN204681110U CN204681110U CN201520206527.XU CN201520206527U CN204681110U CN 204681110 U CN204681110 U CN 204681110U CN 201520206527 U CN201520206527 U CN 201520206527U CN 204681110 U CN204681110 U CN 204681110U
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Abstract
A kind of high-efficiency electric automobile charging system belongs to charging electric vehicle technical field, particularly relates to a kind of high-efficiency electric automobile charging system.The utility model provides the high-efficiency electric automobile charging system that a kind of charge efficiency is high, electric power resource utilization ratio is high.The utility model comprises power supply, the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, DSP, the first storage battery, the second storage battery and motor load, and its structural feature first electronic switch is all connected with power positive end with the input port of the second electronic switch; The output of the first electronic switch respectively input port that is extreme with the first accumulator positive, the 3rd electronic switch is connected, the output of the second electronic switch respectively input port that is extreme with the second accumulator positive, the 4th electronic switch is connected, the first storage battery negative is extreme, the second storage battery negative extremely, motor load negative pole end, power-be extremely connected.
Description
Technical field
The utility model belongs to charging electric vehicle technical field, particularly relates to a kind of high-efficiency electric automobile charging system.
Background technology
Electric automobile energy-storage system refers to as electric automobile provides the electrokinetic cell of the lead acid accumulator of power, lithium ion battery, ferric phosphate lithium cell, cobalt acid lithium battery, lithium manganate battery, super capacitor, graphene battery and other new technologies and materials, but is not limited to the energy-storage battery of the above-mentioned type.
Charging pile refers to power charge stake, solar recharging stake, wind power generation or charging pile technology of providing multiple forms of energy to complement each other.This technology charging pile and the electric automobile (the hybrid power new-energy automobile containing band energy-storage system) receiving charging are by meeting the special jointing of the universal standard and wire is interconnected, and also comprise radio induction charging or wireless connections contact system.
The existing charging system for electric automobile charging interval is long, and electric power resource utilization ratio is low.
Summary of the invention
The utility model is exactly for the problems referred to above, provides the high-efficiency electric automobile charging system that a kind of charge efficiency is high, electric power resource utilization ratio is high.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises power supply, the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, DSP, the first storage battery, the second storage battery and motor load, and its structural feature first electronic switch is all connected with power positive end with the input port of the second electronic switch; The output of the first electronic switch respectively input port that is extreme with the first accumulator positive, the 3rd electronic switch is connected, the output of the second electronic switch respectively input port that is extreme with the second accumulator positive, the 4th electronic switch is connected, the first storage battery negative is extreme, the second storage battery negative extremely, motor load negative pole end, power-be extremely connected; The input port of the 3rd electronic switch, the input port of the 4th electronic switch, motor load positive terminal are connected; Dsp control signal output port is connected with the control port of the first electronic switch, the control port of the second electronic switch, the control port of the 3rd electronic switch, the control port of the 4th electronic switch respectively.
Electric capacity, the voltage of described first storage battery and the second storage battery are all identical.
As a kind of preferred version, DSP described in the utility model adopts arm processor, arm processor port respectively with download program interface, restart setting unit port, Starting mode setting unit port, built-in storage area end, contactor drive part port, PWM drive part port, charge power section ports, CAN communication section ports, high-voltage power module section ports, BMS communication part port be connected, contactor drive part output port, PWM drive part output port are connected with charge power part control signal input port respectively; BMS communication part signal transmission port is connected with charging gun signal transmission port.
As another kind of preferred version, arm processor described in the utility model adopts STM32F103ZET6 chip U2, described Starting mode setting unit comprises 100K Ω resistance R4 and 100K Ω resistance R20, R4 one end is connected with 138 pin of U2, the R4 other end is connected with ground wire GND, R20 one end respectively, and the R20 other end is connected with 48 pin of U2; Built-in storage area adopts W25Q64 chip U9, and 1,2,5,6 pins of U9 are corresponding with 73,75,76,74 pins of U2 to be connected.
As another kind of preferred version, BMS communication part described in the utility model adopts TJA1050 chip U11, and 1,4 pin of U11 are corresponding with 112,111 pin of U2 to be respectively connected, and 7,5 pin of U11 are corresponding with BMS_A, BMS_B port of described charging gun to be connected; Described CAN communication part adopts TJA1050 chip U4, and 1,4 pin of U4 are corresponding with 104,103 pin of U2 respectively to be connected, and 7,5 pin of U4 are connected with the communication A of electric rifle, communication B port respectively.
As another kind of preferred version, contactor drive part described in the utility model comprises a NPN triode and the 2nd NPN triode, the base stage of the one NPN triode is connected with 134 pin of U2 by the first resistance, the grounded emitter line GND of the one NPN triode, the collector electrode of the one NPN triode is connected with relay K 1 coil-end one end, the first diode anode respectively, and the K1 coil-end other end, the first diode cathode are all connected with power supply+15V; The base stage of the 2nd NPN triode is connected with 135 pin of U2 by the second resistance, the grounded emitter line GND of the 2nd NPN triode, the collector electrode of the 2nd NPN triode is connected with relay K 2 coil-end two end, the second diode anode respectively, and another two ends of K2 coil-end, the second diode cathode are all connected with power supply+15V; Described high-voltage power module part comprises LM2576S-ADJ chip U12,1 pin of U12 is connected with electric capacity C66 positive pole, power supply+15V respectively, 3,5 pin of U12 are all connected with ground wire GND, diode D1 anode, electric capacity C101 one end, electric capacity C98 negative pole, D1 negative electrode is connected with 2 pin of U12, inductance L 1 one end respectively, and the L1 other end is connected with 4 pin of U12 ,+5V power supply terminal, the C101 other end, electric capacity C98 positive pole respectively.
As another kind of preferred version, PWM drive part described in the utility model comprises chip 2SD315AI U1, U3, and 10 pin of U1 are connected by 101 pin of resistance R10 and U2, and 6 pin of U1 are connected by 100 pin of resistance R8 and U2; 3 pin of U1 are connected with optocoupler OP1 input negative electrode by resistance R1, OP1 input anode is connected with power supply+15V, OP1 output collector electrode is connected with power supply+3.3V, and OP1 output emitter is connected with 40 pin of U2, resistance R5 one end respectively, resistance R5 other end ground connection; 9 pin of U1 are connected with optocoupler OP2 input negative electrode by resistance R9, OP2 input anode is connected with power supply+15V, OP2 output collector electrode is connected with power supply+3.3V, and OP2 output emitter is connected with 41 pin of U2, resistance R11 one end respectively, resistance R11 other end ground connection; 5, the 7 pin ground connection of U1,4 pin of U1 are connected with resistance R2 one end, resistance R6 one end respectively, and the R2 other end is connected with power supply+15V, R6 other end ground connection; 43,44 pin of U1 are all connected with PWM2 control signal output, and 38,39 pin of U1 are all connected with PWM2-control signal output, and 31,32 pin of U1 are all connected with PWM1 control signal output, and 26,27 pin of U1 are all connected with Load control signal output; 36 pin of U1 are connected with the anode of diode D21, the negative electrode of D21 is connected with the anode of diode D23, and the negative electrode of D23 is connected with protection sampling end V1, and 24 pin of U1 are connected with the anode of diode D27, the negative electrode of D27 is connected with the anode of diode D26, and the negative electrode of D26 is connected with protection sampling end V1; 1,2,13,14,15,16,17 pin of U1 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z1, electric capacity C7 one end, electric capacity C8 positive pole respectively, the equal earth connection GND of anode of the C7 other end, C8 negative pole, Z1.
10 pin of U3 are connected by 34 pin of resistance R19 and U2; 3 pin of U3 are connected with optocoupler OP3 input negative electrode by resistance R12, OP3 input anode is connected with power supply+15V, OP3 output collector electrode is connected with power supply+3.3V, and OP3 output emitter is connected with 42 pin of U2, resistance R15 one end respectively, resistance R15 other end ground connection; 9 pin of U3 are connected with optocoupler OP4 input negative electrode by resistance R18, OP4 input anode is connected with power supply+15V, OP4 output collector electrode is connected with power supply+3.3V, and OP4 output emitter is connected with 43 pin of U2, resistance R21 one end respectively, resistance R21 other end ground connection; 5, the 7 pin ground connection of U3,4 pin of U3 are connected with resistance R13 one end, resistance R14 one end respectively, and the R13 other end is connected with power supply+15V, R14 other end ground connection; 43,44 pin of U3 are all connected with PA+ control signal output, and 38,39 pin of U3 are all connected with PA-control signal output, and 31,32 pin of U3 are all connected with PB+ control signal output, and 26,27 pin of U3 are all connected with PB-control signal output; 36 pin of U3 are connected with the anode of diode D2, the negative electrode of D2 is connected with the anode of diode D3, and the negative electrode of D3 is connected with protection sampling end VCC, and 24 pin of U3 are connected with the anode of diode D6, the negative electrode of D6 is connected with the anode of diode D4, and the negative electrode of D4 is connected with protection sampling end PA-; 1,2,13,14,15,16,17 pin of U3 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z2, electric capacity C12 one end, electric capacity C13 positive pole respectively, the equal earth connection GND of anode of the C12 other end, C13 negative pole, Z1.
As another kind of preferred version, 41 pin of U1 described in the utility model, 42 pin of U1, electric capacity C2 negative pole, electric capacity C1 one end are connected, 40 pin, resistance R7 one end of C2 positive pole, U1 are connected, the resistance R7 other end is connected with the first light-emitting diodes tube anode, first light-emitting diodes tube cathode is connected with 35 pin of U1, and the C1 other end is connected with 36 pin of U1.
29 pin of U1,30 pin of U1, electric capacity C16 negative pole, electric capacity C17 one end are connected, 28 pin, resistance R98 one end of C16 positive pole, U1 are connected, the resistance R98 other end is connected with the second light-emitting diodes tube anode, second light-emitting diodes tube cathode is connected with 23 pin of U1, and the C17 other end is connected with 24 pin of U1.
41 pin of described U3,42 pin of U3, electric capacity C10 negative pole, electric capacity C9 one end are connected, 40 pin, resistance R16 one end of C10 positive pole, U3 are connected, the resistance R16 other end is connected with the 3rd light-emitting diodes tube anode, 3rd light-emitting diodes tube cathode is connected with 35 pin of U3, and the C9 other end is connected with 36 pin of U3.
29 pin of U3,30 pin of U3, electric capacity C14 negative pole, electric capacity C15 one end are connected, 28 pin, resistance R22 one end of C14 positive pole, U3 are connected, the resistance R22 other end is connected with the 4th light-emitting diodes tube anode, 4th light-emitting diodes tube cathode is connected with 23 pin of U3, and the C15 other end is connected with 24 pin of U3.
As another kind of preferred version, charge power part described in the utility model comprises three-phase main-frequency rectifier bridge, and the input of three-phase main-frequency rectifier bridge is connected with three phase mains, and the output head anode of three-phase main-frequency rectifier bridge is successively by inductance L 3, fuse F1 respectively with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end is connected, and Q1 control end is connected with one end, transformer T1 former limit by resistance R23, the T1 former limit other end respectively with resistance R24 one end, R26 one end is connected, the R24 other end, the R26 other end, Q1 cathode terminal, resistance R29 one end, resistance R31 one end, resistance R32 one end, resistance R30 one end, electric capacity C31 positive pole, electric capacity C32 positive pole, electric capacity C33 positive pole, electric capacity C34 positive pole, electric capacity C35 one end, electric capacity C36 one end, IGBT module Q2 collector electrode, power supply VCC, electric capacity C24 one end, electric capacity C25 one end, electric capacity C28 one end is connected, the R29 other end, the R31 other end, the R32 other end, the C29 other end, the R33 other end is connected, the R30 other end, C31 negative pole, C32 negative pole, C33 negative pole, C34 negative pole, resistance R36 one end, electric capacity C38 positive pole, electric capacity C39 positive pole, electric capacity C40 positive pole, electric capacity C41 positive pole is connected, the R36 other end, C38 negative pole, C39 negative pole, C40 negative pole, C41 negative pole, the negative pole of output end of three-phase main-frequency rectifier bridge, ground wire GND2, resistance R37 one end, voltage stabilizing didoe D15 anode, IGBT module Q3 emitter, electric capacity C42 one end, electric capacity C43 one end, electric capacity C44 one end, driving signal input PB-is connected, the C42 other end, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, T1 first secondary one end is connected, the T1 first secondary other end, Q2 emitter, Q3 collector electrode, voltage-stabiliser tube D10 positive pole, resistance R28 one end, driving signal input PA-is connected, the R28 other end, D10 negative pole, Q2 base stage, resistance R27 one end is connected, and the R27 other end is connected with driving signal input PA+, the R37 other end, D15 negative electrode, Q3 base stage, resistance R35 one end are connected, and the R35 other end is connected with driving signal input PB+.
T1 second secondary one end respectively with electric capacity C37 one end, diode D11 positive pole is connected, the C37 other end by resistance R34 respectively with D11 negative pole, inductance L 4 one end, diode D19 negative pole, resistance R46 one end is connected, the R46 other end by electric capacity C51 respectively with T1 the 3rd secondary one end, D19 positive pole is connected, T1 the 3rd secondary other end respectively with the T1 second secondary other end, electric capacity C45 negative pole, electric capacity C46 negative pole, electric capacity C47 negative pole, electric capacity C48 negative pole, ground wire GND1, first current sense input negative pole is connected, first current sense input positive pole respectively with port V1, C45 positive pole, C46 positive pole, C47 positive pole, C48 positive pole, the L4 other end is connected, first current sensor output by resistance R39 respectively with R40 one end, voltage stabilizing didoe D16 negative electrode, test side ADC2 is connected, the R40 other end, D16 anode, ground wire GND, first current sensor earth terminal is connected, first current sensor power supply termination+5V power supply.
Described power supply VCC is connected with the second current sense input positive pole, second current sense input minus earth line GND2, second current sensor power supply termination+5V power supply, second current sensor output is connected with resistance R43 one end, voltage stabilizing didoe D17 cathode terminal, test side ADC3 respectively by resistance R42, and the R43 other end, D17 anode tap, the second current sensor earth terminal, earth connection GND are connected.
Described port V1 drains with described first electronic switch metal-oxide-semiconductor Q5 respectively, described second electronic switch metal-oxide-semiconductor Q4 drains and is connected, Q5 grid respectively with resistance R45 one end, R47 one end, voltage stabilizing didoe D20 negative electrode is connected, the R45 other end is connected with drive singal port PWM1, the R47 other end, D20 anode, Q5 source electrode, described 4th electronic switch contactor K2 first switch one end, first group storage battery positive pole, drive singal port Load is connected, the K2 first switch other end is connected with detection port moto, described 4th electronic switch contactor K2 second switch one end is connected with detection port FB2, the K2 second switch other end is connected with+15V power supply.
Q4 grid is connected with resistance R41 one end, R44 one end, voltage stabilizing didoe D18 negative electrode respectively, the R41 other end is connected with drive singal port PWM2, the R44 other end, D18 anode, Q4 source electrode, described 3rd electronic switch contactor K1 first switch one end, the second group storage battery positive pole, drive singal port PWM2-are connected, the K1 first switch other end is connected with detection port moto, described 3rd electronic switch contactor K1 second switch one end is connected with detection port FB1, and the K1 second switch other end is connected with+15V power supply.
Described first group storage battery negative pole, the second group storage battery negative pole, the 3rd current sense input positive pole are connected, 3rd current sense input negative pole is connected with ground wire GND1,3rd current sensor earth terminal is connected with ground wire GND, 3rd current sensor power supply termination+5V power supply, 3rd current sensor output is connected with electric capacity C52 one end, resistance R48 one end respectively, the C52 other end is connected with resistance R49 one end, voltage stabilizing didoe D22 anode, ground wire GND respectively, and the R48 other end is connected with test side ADC1, R49 other end, D22 negative electrode respectively.
Described test side ADC1, ADC2, ADC3 are corresponding with 35,36,37 pins of U2 respectively to be connected.
Secondly, the output head anode of three-phase main-frequency rectifier bridge described in the utility model is connected with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end respectively by inductance L 3, fuse F1, diode D5 successively.
In addition, the C42 other end described in the utility model, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, electric capacity C30 one end are connected, and the electric capacity C30 other end is connected with described T1 first secondary one end; Described L3 adopts 10mH inductance, and R23, R24 adopt 1K resistance.
The utility model beneficial effect.
The utility model adopts on the basis not changing energy-storage system total capacity, adopts and monomer is divided into two, be divided into two groups mutually to connect by identical 1/2 cell capability, amounts to two string energy-storage systems.Subsystem of often going here and there is identical with existing electric pressure by electric pressure, n C
o/ U
oah capacity energy-storage units is connected, and voltage is U
n, capacity is C
o/ U
n=nU
othe utility model system is by n C
o/ U
omonomer energy-storage units, becomes 2n C
o/ 2U
oit is that two strings are connected that monomeric unit is divided equally, and every crosstalk pressure is nU
o, capacity is
.
Common energy-storage system can be that n cell capacity C0/U0 is in series nC0, and also can be the energy-storage system of 2n, 3n cell composition, the energy-storage units of corresponding new technology will become 2n string successively, and new technology monomer capacity becomes conventional monomer capacity
.Two kinds of technology storage battery volume capacities remain unchanged substantially, and only each for the energy storage battery of ordinary skill monomer is become two monomers under new technology system, single battery capacity of the present utility model becomes original half, and its voltage is constant.
The utility model system energy storage string becomes 2 × n string, and respectively goes here and there total voltage value and equal the total voltage nU0 before the non-split of common energy-storage system.
Common charging technique instead goes by an execution switch charging interval and the frequency that are controlled charge switch according to energy storage battery state (voltage, capacity, electric current, temperature) by control circuit, and namely charge waveforms is that pwm pulse direct current, pulsewidth, frequency all can be control effectively by the various transducer of energy-storage system.
Waveform pulsewidth and frequency are all adjustable and modulate according to energy-storage system state is regular, whole energy-storage system charging process is if T time completes, but the T/2 time, charging pile is in rest, namely only have the T/2 time in effective work, cause charging pile with by charging electric automobile resource and time waste.
The utility model performs switch by two charging and replaces common charging pile to perform charge switch, to be divided into two physical connection method by conventional monomer energy-storage units, do not charge mutually the while of being alternately two string energy-storage batteries regularly with two charge switchs, charge waveforms is that two string charge waveforms carry out Balance route by same CPU, make two string PMM waveforms complementary, whole charging pile is all in running order in full-time charging T process, charging interval is accelerated one times, and electric power resource utilization ratio is doubled.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
Fig. 1-1,1-2,1-3,1-4,1-5 are that existing charging controls to charge with the utility model to control comparison diagram.
Fig. 2-1,2-2,2-3,2-4,2-5,2-6,2-7 are existing charging pile charge waveforms and the utility model charging pile charge waveforms comparison diagram.
Fig. 3 is the utility model control principle block diagram.
Fig. 4-1,4-2,4-3,4-4,4-5,4-6,4-7,4-8,4-9,4-10,4-11,4-12,4-13,4-14,4-15,4-16 are the utility model circuit theory diagrams.
Embodiment
As shown in the figure, the utility model comprises power supply, the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, DSP, the first storage battery, the second storage battery and motor load, and its structural feature first electronic switch is all connected with power positive end with the input port of the second electronic switch; The output of the first electronic switch respectively input port that is extreme with the first accumulator positive, the 3rd electronic switch is connected, the output of the second electronic switch respectively input port that is extreme with the second accumulator positive, the 4th electronic switch is connected, the first storage battery negative is extreme, the second storage battery negative extremely, motor load negative pole end, power-be extremely connected; The input port of the 3rd electronic switch, the input port of the 4th electronic switch, motor load positive terminal are connected; Dsp control signal output port is connected with the control port of the first electronic switch, the control port of the second electronic switch, the control port of the 3rd electronic switch, the control port of the 4th electronic switch respectively.
Electric capacity, the voltage of described first storage battery and the second storage battery are all identical, DSP is by transducer identification charging instruction, control disconnection the 3rd electronic switch, the 4th electronic switch simultaneously, it is the first storage battery and the second charge in batteries that Synchronization Control first electronic switch, the second electronic switch replace according to same frequency and amplitude symmetrical complement.
DSP detects automobile by transducer and disconnects charging preparation and start car running signal, closed 3rd electronic switch, the 4th electronic switch.
Described DSP adopts arm processor, arm processor port respectively with download program interface, restart setting unit port, Starting mode setting unit port, built-in storage area end, contactor drive part port, PWM drive part port, charge power section ports, CAN communication section ports, high-voltage power module section ports, BMS communication part port be connected, contactor drive part output port, PWM drive part output port are connected with charge power part control signal input port respectively; BMS communication part signal transmission port is connected with charging gun signal transmission port.
Described arm processor adopts STM32F103ZET6 chip U2, described Starting mode setting unit comprises 100K Ω resistance R4 and 100K Ω resistance R20, R4 one end is connected with 138 pin of U2, and the R4 other end is connected with ground wire GND, R20 one end respectively, and the R20 other end is connected with 48 pin of U2; Built-in storage area adopts W25Q64 chip U9, and 1,2,5,6 pins of U9 are corresponding with 73,75,76,74 pins of U2 to be connected.
Described BMS communication part adopts TJA1050 chip U11, and 1,4 pin of U11 are corresponding with 112,111 pin of U2 to be respectively connected, and 7,5 pin of U11 are corresponding with BMS_A, BMS_B port of described charging gun to be connected; Described CAN communication part adopts TJA1050 chip U4, and 1,4 pin of U4 are corresponding with 104,103 pin of U2 respectively to be connected, and 7,5 pin of U4 are connected with the communication A of electric rifle, communication B port respectively.
Described contactor drive part comprises a NPN triode and the 2nd NPN triode, the base stage of the one NPN triode is connected with 134 pin of U2 by the first resistance, the grounded emitter line GND of the one NPN triode, the collector electrode of the one NPN triode is connected with relay K 1 coil-end one end, the first diode anode respectively, and the K1 coil-end other end, the first diode cathode are all connected with power supply+15V; The base stage of the 2nd NPN triode is connected with 135 pin of U2 by the second resistance, the grounded emitter line GND of the 2nd NPN triode, the collector electrode of the 2nd NPN triode is connected with relay K 2 coil-end two end, the second diode anode respectively, and another two ends of K2 coil-end, the second diode cathode are all connected with power supply+15V; Described high-voltage power module part comprises LM2576S-ADJ chip U12,1 pin of U12 is connected with electric capacity C66 positive pole, power supply+15V respectively, 3,5 pin of U12 are all connected with ground wire GND, diode D1 anode, electric capacity C101 one end, electric capacity C98 negative pole, D1 negative electrode is connected with 2 pin of U12, inductance L 1 one end respectively, and the L1 other end is connected with 4 pin of U12 ,+5V power supply terminal, the C101 other end, electric capacity C98 positive pole respectively.
Described PWM drive part comprises chip 2SD315AI U1, U3, and 10 pin of U1 are connected by 101 pin of resistance R10 and U2, and 6 pin of U1 are connected by 100 pin of resistance R8 and U2; 3 pin of U1 are connected with optocoupler OP1 input negative electrode by resistance R1, OP1 input anode is connected with power supply+15V, OP1 output collector electrode is connected with power supply+3.3V, and OP1 output emitter is connected with 40 pin of U2, resistance R5 one end respectively, resistance R5 other end ground connection; 9 pin of U1 are connected with optocoupler OP2 input negative electrode by resistance R9, OP2 input anode is connected with power supply+15V, OP2 output collector electrode is connected with power supply+3.3V, and OP2 output emitter is connected with 41 pin of U2, resistance R11 one end respectively, resistance R11 other end ground connection; 5, the 7 pin ground connection of U1,4 pin of U1 are connected with resistance R2 one end, resistance R6 one end respectively, and the R2 other end is connected with power supply+15V, R6 other end ground connection; 43,44 pin of U1 are all connected with PWM2 control signal output, and 38,39 pin of U1 are all connected with PWM2-control signal output, and 31,32 pin of U1 are all connected with PWM1 control signal output, and 26,27 pin of U1 are all connected with Load control signal output; 36 pin of U1 are connected with the anode of diode D21, the negative electrode of D21 is connected with the anode of diode D23, and the negative electrode of D23 is connected with protection sampling end V1, and 24 pin of U1 are connected with the anode of diode D27, the negative electrode of D27 is connected with the anode of diode D26, and the negative electrode of D26 is connected with protection sampling end V1; 1,2,13,14,15,16,17 pin of U1 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z1, electric capacity C7 one end, electric capacity C8 positive pole respectively, the equal earth connection GND of anode of the C7 other end, C8 negative pole, Z1.
10 pin of U3 are connected by 34 pin of resistance R19 and U2; 3 pin of U3 are connected with optocoupler OP3 input negative electrode by resistance R12, OP3 input anode is connected with power supply+15V, OP3 output collector electrode is connected with power supply+3.3V, and OP3 output emitter is connected with 42 pin of U2, resistance R15 one end respectively, resistance R15 other end ground connection; 9 pin of U3 are connected with optocoupler OP4 input negative electrode by resistance R18, OP4 input anode is connected with power supply+15V, OP4 output collector electrode is connected with power supply+3.3V, and OP4 output emitter is connected with 43 pin of U2, resistance R21 one end respectively, resistance R21 other end ground connection; 5, the 7 pin ground connection of U3,4 pin of U3 are connected with resistance R13 one end, resistance R14 one end respectively, and the R13 other end is connected with power supply+15V, R14 other end ground connection; 43,44 pin of U3 are all connected with PA+ control signal output, and 38,39 pin of U3 are all connected with PA-control signal output, and 31,32 pin of U3 are all connected with PB+ control signal output, and 26,27 pin of U3 are all connected with PB-control signal output; 36 pin of U3 are connected with the anode of diode D2, the negative electrode of D2 is connected with the anode of diode D3, and the negative electrode of D3 is connected with protection sampling end VCC, and 24 pin of U3 are connected with the anode of diode D6, the negative electrode of D6 is connected with the anode of diode D4, and the negative electrode of D4 is connected with protection sampling end PA-; 1,2,13,14,15,16,17 pin of U3 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z2, electric capacity C12 one end, electric capacity C13 positive pole respectively, the equal earth connection GND of anode of the C12 other end, C13 negative pole, Z1.
41 pin of described U1,42 pin of U1, electric capacity C2 negative pole, electric capacity C1 one end are connected, 40 pin, resistance R7 one end of C2 positive pole, U1 are connected, the resistance R7 other end is connected with the first light-emitting diodes tube anode, and the first light-emitting diodes tube cathode is connected with 35 pin of U1, and the C1 other end is connected with 36 pin of U1.
29 pin of U1,30 pin of U1, electric capacity C16 negative pole, electric capacity C17 one end are connected, 28 pin, resistance R98 one end of C16 positive pole, U1 are connected, the resistance R98 other end is connected with the second light-emitting diodes tube anode, second light-emitting diodes tube cathode is connected with 23 pin of U1, and the C17 other end is connected with 24 pin of U1.
41 pin of described U3,42 pin of U3, electric capacity C10 negative pole, electric capacity C9 one end are connected, 40 pin, resistance R16 one end of C10 positive pole, U3 are connected, the resistance R16 other end is connected with the 3rd light-emitting diodes tube anode, 3rd light-emitting diodes tube cathode is connected with 35 pin of U3, and the C9 other end is connected with 36 pin of U3.
29 pin of U3,30 pin of U3, electric capacity C14 negative pole, electric capacity C15 one end are connected, 28 pin, resistance R22 one end of C14 positive pole, U3 are connected, the resistance R22 other end is connected with the 4th light-emitting diodes tube anode, 4th light-emitting diodes tube cathode is connected with 23 pin of U3, and the C15 other end is connected with 24 pin of U3.
The utility model PWM drive part has definitely large IGBT module driving power, and ± 15A can drive any IGBT module of below 1700V800A, doubleway output duty ratio 0-100%.
The utility model PWM drive part adopts 2SD315AIU1 chip, and 2SD315AI chip internal has insulating power supply module to be disposed, and only 15V need be provided to power.In addition, each paths output of 2SD315AI chip all has programmable IBGT conduction voltage drop observation circuit, and when wherein short circuit or over-current phenomenon avoidance appear in a road or two-way driving side IGBT device, observation circuit just sends signal and turned off in time by two groups of IGBT.
Described charge power part comprises three-phase main-frequency rectifier bridge, and the input of three-phase main-frequency rectifier bridge is connected with three phase mains, and the output head anode of three-phase main-frequency rectifier bridge is successively by inductance L 3, fuse F1 respectively with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end is connected, and Q1 control end is connected with one end, transformer T1 former limit by resistance R23, the T1 former limit other end respectively with resistance R24 one end, R26 one end is connected, the R24 other end, the R26 other end, Q1 cathode terminal, resistance R29 one end, resistance R31 one end, resistance R32 one end, resistance R30 one end, electric capacity C31 positive pole, electric capacity C32 positive pole, electric capacity C33 positive pole, electric capacity C34 positive pole, electric capacity C35 one end, electric capacity C36 one end, IGBT module Q2 collector electrode, power supply VCC, electric capacity C24 one end, electric capacity C25 one end, electric capacity C28 one end is connected, the R29 other end, the R31 other end, the R32 other end, the C29 other end, the R33 other end is connected, the R30 other end, C31 negative pole, C32 negative pole, C33 negative pole, C34 negative pole, resistance R36 one end, electric capacity C38 positive pole, electric capacity C39 positive pole, electric capacity C40 positive pole, electric capacity C41 positive pole is connected, the R36 other end, C38 negative pole, C39 negative pole, C40 negative pole, C41 negative pole, the negative pole of output end of three-phase main-frequency rectifier bridge, ground wire GND2, resistance R37 one end, voltage stabilizing didoe D15 anode, IGBT module Q3 emitter, electric capacity C42 one end, electric capacity C43 one end, electric capacity C44 one end, driving signal input PB-is connected, the C42 other end, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, T1 first secondary one end is connected, the T1 first secondary other end, Q2 emitter, Q3 collector electrode, voltage-stabiliser tube D10 positive pole, resistance R28 one end, driving signal input PA-is connected, the R28 other end, D10 negative pole, Q2 base stage, resistance R27 one end is connected, and the R27 other end is connected with driving signal input PA+, the R37 other end, D15 negative electrode, Q3 base stage, resistance R35 one end are connected, and the R35 other end is connected with driving signal input PB+.
T1 second secondary one end respectively with electric capacity C37 one end, diode D11 positive pole is connected, the C37 other end by resistance R34 respectively with D11 negative pole, inductance L 4 one end, diode D19 negative pole, resistance R46 one end is connected, the R46 other end by electric capacity C51 respectively with T1 the 3rd secondary one end, D19 positive pole is connected, T1 the 3rd secondary other end respectively with the T1 second secondary other end, electric capacity C45 negative pole, electric capacity C46 negative pole, electric capacity C47 negative pole, electric capacity C48 negative pole, ground wire GND1, first current sense input negative pole is connected, first current sense input positive pole respectively with port V1, C45 positive pole, C46 positive pole, C47 positive pole, C48 positive pole, the L4 other end is connected, first current sensor output by resistance R39 respectively with R40 one end, voltage stabilizing didoe D16 negative electrode, test side ADC2 is connected, the R40 other end, D16 anode, ground wire GND, first current sensor earth terminal is connected, first current sensor power supply termination+5V power supply.
Described power supply VCC is connected with the second current sense input positive pole, second current sense input minus earth line GND2, second current sensor power supply termination+5V power supply, second current sensor output is connected with resistance R43 one end, voltage stabilizing didoe D17 cathode terminal, test side ADC3 respectively by resistance R42, and the R43 other end, D17 anode tap, the second current sensor earth terminal, earth connection GND are connected.
Described port V1 drains with described first electronic switch metal-oxide-semiconductor Q5 respectively, described second electronic switch metal-oxide-semiconductor Q4 drains and is connected, Q5 grid respectively with resistance R45 one end, R47 one end, voltage stabilizing didoe D20 negative electrode is connected, the R45 other end is connected with drive singal port PWM1, the R47 other end, D20 anode, Q5 source electrode, described 4th electronic switch contactor K2 first switch one end, first group storage battery positive pole, drive singal port Load is connected, the K2 first switch other end is connected with detection port moto, described 4th electronic switch contactor K2 second switch one end is connected with detection port FB2, the K2 second switch other end is connected with+15V power supply.
Q4 grid is connected with resistance R41 one end, R44 one end, voltage stabilizing didoe D18 negative electrode respectively, the R41 other end is connected with drive singal port PWM2, the R44 other end, D18 anode, Q4 source electrode, described 3rd electronic switch contactor K1 first switch one end, the second group storage battery positive pole, drive singal port PWM2-are connected, the K1 first switch other end is connected with detection port moto, described 3rd electronic switch contactor K1 second switch one end is connected with detection port FB1, and the K1 second switch other end is connected with+15V power supply.
Described first group storage battery negative pole, the second group storage battery negative pole, the 3rd current sense input positive pole are connected, 3rd current sense input negative pole is connected with ground wire GND1,3rd current sensor earth terminal is connected with ground wire GND, 3rd current sensor power supply termination+5V power supply, 3rd current sensor output is connected with electric capacity C52 one end, resistance R48 one end respectively, the C52 other end is connected with resistance R49 one end, voltage stabilizing didoe D22 anode, ground wire GND respectively, and the R48 other end is connected with test side ADC1, R49 other end, D22 negative electrode respectively.
Described test side ADC1, ADC2, ADC3 are corresponding with 35,36,37 pins of U2 respectively to be connected.
The output head anode of described three-phase main-frequency rectifier bridge is connected with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end respectively by inductance L 3, fuse F1, diode D5 successively.
The described C42 other end, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, electric capacity C30 one end are connected, and the electric capacity C30 other end is connected with described T1 first secondary one end; Described L3 adopts 10mH inductance, and R23, R24 adopt 1K resistance.
Input three-phase electricity is converted to three stage charging system and exports by the utility model charge power some transformers T1, is convenient to detect battery charging state by ADC1, ADC2, ADC3.
The utility model charge power part, by K1, K2, coordinates the serioparallel exchange of batteries, realizes the complementary efficient charging of PWM waveform of two storage battery string; Promote charge efficiency, shorten the charging interval.
The utility model accessible site is in the charging system carried at new-energy automobile.When being divided into the parking of the new-energy automobile of the energy-storage system of symmetrical two pool-size strings to carry out rechargeable with voltage such as grade, notify that DSP sends control command by respective sensor identification, while third and fourth electronic switch of disconnection, replacing according to same frequency and amplitude symmetrical complement ground p1=f1 (t), p2=f2 (t) respectively by first and second electronic switch of Synchronization Control is two groups of energy storage battery strings chargings, and total battery charging effect is p=f (t).Between total charge period, battery charging efficiency is equivalent to be doubled.
Third and fourth electronic switch is equally under respective sensor and DSP control, disconnect when startups car traveling is carried out in charging preparation automatically open-minded at new-energy automobile, to be a parallel connection by the Combined storage battery two of two groups of identical series connection numbers be one group (total capacity is two times of a string stored energy capacitance) for load (new-energy automobile motor) provides power to travel.DSP in the utility model system is under a series of power supply provides the prerequisite of working power, is completed the complementary efficient charging technique of storage battery string of going here and there for grouping two automatically identifying when new-energy automobile stopping for charging and send and control first and second electronic switch harmonious orderly by series sensor.Automatically identified by respective sensor when new-energy automobile completes charging simultaneously and disconnect first and second electronic switch, automatically connect third and fourth electronic switch, realizing two string batteries auto parallel Connections is that new-energy automobile motor (load) provides power source simultaneously.
Fig. 4-1,4-2,4-3,4-4,4-5,4-6,4-7,4-8,4-9,4-10,4-11,4-12,4-13,4-14,4-15,4-16 are the utility model circuit theory diagrams.
1. download program interface: download for arm processor.
2. restart setting: for manually restarting single-chip microcomputer.
3. Starting mode arrange: STM32 chip has two pin BOOT0 and BOOT1, after the level of these two pins when chip reset determines chip reset from which region executive program.
4. built-in storage area: for storing related data.
5.ARM processor: processor STM32F103ZET6, as system CPU commander and the work coordinating each branch system.
6. contactor drives: the contactor driving battery pack serioparallel exchange.Realize the two-in-one of batteries according to the traveling of car and stopping for charging state or be divided into two carrying out efficient charging and preparing.
7.PWM drive part.
Use 2SD315AI driving chip, power amplification is carried out, for promoting power tube work to the signal that processor exports.The task of safe and efficient quick charge is realized according to battery condition adjustment PWM frequency and amplitude.
8. charge power part: the first half of this circuit is responsible for importation is single-phase, three-phase mains or the input of other energy and is converted three stage charging system to and export.Civil power through D7, D8, D9, D1,2D, 13, D14 composition three-phase main-frequency rectifier bridge (small-power is completed by single-phase rectification bridge), civil power sinusoidal ac is rectified into pulsating wave, again through the filter circuit of C31, C32, C33, C34, C36, C38, C39, C40 composition, pulsating wave is converted to steamed bun ripple, the peak value of steamed bun ripple is relevant with the capacity of electric capacity in valley and filter circuit and ESR series equivalent resistance, is generally chosen for peak value valley difference and is less than 30V.D5 and Q1 is silicon controlled module, D5 with anti-reverse effect, Q1 is with preventing the charging surge of filter circuit with starting, start moment filter circuit charging path because controllable silicon Q1 not open-minded, and be made up of R29, R31, R32, R33 current-limiting resistance, after main transformer starts, open Q1, short circuit current limitation resistance circuit, complete Anti-surging function.Q2Q3 is IGBT module, wherein C35, C36 are EACO high-power IGBT absorbing membrane to form the power conversion circuit of half-bridge topology with brachium pontis electric capacity C24, C25, C28, C42, C43, C44 of Q2Q3, with the concussion that the leakage inductance of the junction capacitance and transformer T1 that colonize in IGBT with filtering produces, prevent higher concussion peak value from puncturing IGBT, C30 is the capacitance of half-bridge circuit, and magnetic bias burns IGBT module to prevent half-bridge circuit from occurring at work.
T1 is main power inverter, plays voltage transformation and buffer action, can play leading portion mains-supplied electrical network and run into emergency case and high pressure or thunderbolt, can protect electric automobile and personnel by danger of its electric shock.
D11 and D19 forms full-wave rectifying circuit by fast conducting diode (led) module, C37, R34 and C51, R46 are D11, D19 absorption diode, in order to absorb the concussion of fast diode and T1 leakage inductance, L4 and C45, C46, C47, C48 form LC filter circuit, the PWM wave rectification that full-wave rectifying circuit exports is filtered into direct current with to battery charging.
The charging current signal of ADC1 with collection storage battery.
The voltage of ADC2 with collection batteries.
The voltage of ADC3 with Gather and input circuit.
The data that arm processor gathers according to ADC1-ADC3, judge the state of current batteries, and go out duty ratio under this state (when detection accumulator battery voltage according to current state computation, under being in constant current charge state, ARM utilizes ADC1 to gather charging current signal, current limit is determined at the BMS communication of value according to arm processor and batteries in appointment, when constant current value is higher than standard value, the value of reduction duty ratio is reached the object of constant current by arm processor in order to reduce charging current, constant current value is then contrary lower than standard value.When constant voltage charge pattern, only ARM processing and utilizing ADC2 identical with constant current charge state gathers accumulator battery voltage, and obtains size according to voltage calculating dutyfactor value.In trickle charge pattern, utilize the timer that ARM process is inner, start timing controlled according to timer and trickle charge pattern is carried out to batteries.), and exporting this duty cycle signals to drive circuit, signal amplifies by drive circuit, drives IGBT module by PA+, PA-, PB+, PB-.
The latter half is responsible for coordinating the serioparallel exchange of batteries and the complementary efficient charging of PWM waveform of the two storage battery string of realization.The quick charge in the efficient charging realizing (33-50) % charge efficiency of the common new-energy automobile of lifting of this technology or common charging (1/3-1/2) charging interval shortening new-energy automobile.Three stage charging system technology: first general single-phase or three-phase alternating current changed into the direct voltage required for three stage charging system by (circuit or device), the state of storage battery is monitored by the transducer (ADC2) in batteries, when storage battery be in put state time, first batteries is carried out to precharge now storage battery can not be divided into groups that (charging current amplitude is 1/5-1/10 of rated charge stream by (the first half half-bridge converter), can set to 0 in advance in a program precharge time-20 points adjustable, default value is 2 minutes), after completing precharge, control system is by (contactor K1 and contactor K2 enters disjunction state, and utilize Q5, Q4IGBT module) proceed to and storage battery is divided into groups the complementary large current charge of quick PWM, charging current is rated charge stream 1-2 times, concrete PWM amplitude and frequency carry out Adaptive Modulation according to the transducer in storage battery, ensure efficient charging effect safely and fast.After storage battery is full of, control system enters trickle and safeguards charging (charging current is rated charge stream 1/10-1/20, and the time depends on opening time of charging gun).Another kind of situation, when detect storage battery be in short of electricity but do not reach to put some time, control system directly enters storage battery and to divide into groups the complementary large current charge state of quick PWM, reaches to enter trickle after being full of electricity condition and safeguard charged state, and state modulator is described above.
9.CAN communication: communication is carried out to Vehicular screen and charging pile.
10. high-voltage power module: input power is converted to low pressure at different levels and powers to low-voltage module.
11. charging guns: i.e. new-energy automobile universal standard charging connector, final output.
12. Anti-surgings: prevent the charging inputting three-phase power input Large Copacity filter capacitor from impacting and bring impact to electrical network.
13. voltage acquisition ADC3: Gather and input terminal voltage judges the access of charging gun.
14. voltage acquisition ADC2: gather three stage charging system output voltage.
15. voltage acquisition ADC1: gather charging current.
The utility model reserves new-energy automobile BMS general-purpose interface, realizes and the docking of the communication of various BMS module and actuator.Realize under the prerequisite of the efficient rapid nitriding of this technology storage battery fine-grained management control technology.Service lifetime of accumulator is postponed under guaranteeing safe and reliable prerequisite.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection range of the present utility model as long as meet.
Claims (10)
1. a high-efficiency electric automobile charging system, comprise power supply, the first electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, DSP, the first storage battery, the second storage battery and motor load, it is characterized in that the first electronic switch is all connected with power positive end with the input port of the second electronic switch; The output of the first electronic switch respectively input port that is extreme with the first accumulator positive, the 3rd electronic switch is connected, the output of the second electronic switch respectively input port that is extreme with the second accumulator positive, the 4th electronic switch is connected, the first storage battery negative is extreme, the second storage battery negative extremely, motor load negative pole end, power-be extremely connected; The input port of the 3rd electronic switch, the input port of the 4th electronic switch, motor load positive terminal are connected; Dsp control signal output port is connected with the control port of the first electronic switch, the control port of the second electronic switch, the control port of the 3rd electronic switch, the control port of the 4th electronic switch respectively; Electric capacity, the voltage of described first storage battery and the second storage battery are all identical.
2. a kind of high-efficiency electric automobile charging system according to claim 1, it is characterized in that described DSP adopts arm processor, arm processor port respectively with download program interface, restart setting unit port, Starting mode setting unit port, built-in storage area end, contactor drive part port, PWM drive part port, charge power section ports, CAN communication section ports, high-voltage power module section ports, BMS communication part port is connected, contactor drive part output port, PWM drive part output port is connected with charge power part control signal input port respectively, BMS communication part signal transmission port is connected with charging gun signal transmission port.
3. a kind of high-efficiency electric automobile charging system according to claim 2, it is characterized in that described arm processor adopts STM32F103ZET6 chip U2, described Starting mode setting unit comprises 100K Ω resistance R4 and 100K Ω resistance R20, R4 one end is connected with 138 pin of U2, the R4 other end is connected with ground wire GND, R20 one end respectively, and the R20 other end is connected with 48 pin of U2; Built-in storage area adopts W25Q64 chip U9, and 1,2,5,6 pins of U9 are corresponding with 73,75,76,74 pins of U2 to be connected.
4. a kind of high-efficiency electric automobile charging system according to claim 3, it is characterized in that described BMS communication part adopts TJA1050 chip U11,1,4 pin of U11 are corresponding with 112,111 pin of U2 to be respectively connected, and 7,5 pin of U11 are corresponding with BMS_A, BMS_B port of described charging gun to be connected; Described CAN communication part adopts TJA1050 chip U4, and 1,4 pin of U4 are corresponding with 104,103 pin of U2 respectively to be connected, and 7,5 pin of U4 are connected with the communication A of electric rifle, communication B port respectively.
5. a kind of high-efficiency electric automobile charging system according to claim 3, it is characterized in that described contactor drive part comprises a NPN triode and the 2nd NPN triode, the base stage of the one NPN triode is connected with 134 pin of U2 by the first resistance, the grounded emitter line GND of the one NPN triode, the collector electrode of the one NPN triode is connected with relay K 1 coil-end one end, the first diode anode respectively, and the K1 coil-end other end, the first diode cathode are all connected with power supply+15V; The base stage of the 2nd NPN triode is connected with 135 pin of U2 by the second resistance, the grounded emitter line GND of the 2nd NPN triode, the collector electrode of the 2nd NPN triode is connected with relay K 2 coil-end two end, the second diode anode respectively, and another two ends of K2 coil-end, the second diode cathode are all connected with power supply+15V; Described high-voltage power module part comprises LM2576S-ADJ chip U12,1 pin of U12 is connected with electric capacity C66 positive pole, power supply+15V respectively, 3,5 pin of U12 are all connected with ground wire GND, diode D1 anode, electric capacity C101 one end, electric capacity C98 negative pole, D1 negative electrode is connected with 2 pin of U12, inductance L 1 one end respectively, and the L1 other end is connected with 4 pin of U12 ,+5V power supply terminal, the C101 other end, electric capacity C98 positive pole respectively.
6. a kind of high-efficiency electric automobile charging system according to claim 3, it is characterized in that described PWM drive part comprises chip 2SD315AI U1, U3,10 pin of U1 are connected by 101 pin of resistance R10 and U2, and 6 pin of U1 are connected by 100 pin of resistance R8 and U2; 3 pin of U1 are connected with optocoupler OP1 input negative electrode by resistance R1, OP1 input anode is connected with power supply+15V, OP1 output collector electrode is connected with power supply+3.3V, and OP1 output emitter is connected with 40 pin of U2, resistance R5 one end respectively, resistance R5 other end ground connection; 9 pin of U1 are connected with optocoupler OP2 input negative electrode by resistance R9, OP2 input anode is connected with power supply+15V, OP2 output collector electrode is connected with power supply+3.3V, and OP2 output emitter is connected with 41 pin of U2, resistance R11 one end respectively, resistance R11 other end ground connection; 5, the 7 pin ground connection of U1,4 pin of U1 are connected with resistance R2 one end, resistance R6 one end respectively, and the R2 other end is connected with power supply+15V, R6 other end ground connection; 43,44 pin of U1 are all connected with PWM2 control signal output, and 38,39 pin of U1 are all connected with PWM2-control signal output, and 31,32 pin of U1 are all connected with PWM1 control signal output, and 26,27 pin of U1 are all connected with Load control signal output; 36 pin of U1 are connected with the anode of diode D21, the negative electrode of D21 is connected with the anode of diode D23, and the negative electrode of D23 is connected with protection sampling end V1, and 24 pin of U1 are connected with the anode of diode D27, the negative electrode of D27 is connected with the anode of diode D26, and the negative electrode of D26 is connected with protection sampling end V1; 1,2,13,14,15,16,17 pin of U1 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z1, electric capacity C7 one end, electric capacity C8 positive pole respectively, the equal earth connection GND of anode of the C7 other end, C8 negative pole, Z1;
10 pin of U3 are connected by 34 pin of resistance R19 and U2; 3 pin of U3 are connected with optocoupler OP3 input negative electrode by resistance R12, OP3 input anode is connected with power supply+15V, OP3 output collector electrode is connected with power supply+3.3V, and OP3 output emitter is connected with 42 pin of U2, resistance R15 one end respectively, resistance R15 other end ground connection; 9 pin of U3 are connected with optocoupler OP4 input negative electrode by resistance R18, OP4 input anode is connected with power supply+15V, OP4 output collector electrode is connected with power supply+3.3V, and OP4 output emitter is connected with 43 pin of U2, resistance R21 one end respectively, resistance R21 other end ground connection; 5, the 7 pin ground connection of U3,4 pin of U3 are connected with resistance R13 one end, resistance R14 one end respectively, and the R13 other end is connected with power supply+15V, R14 other end ground connection; 43,44 pin of U3 are all connected with PA+ control signal output, and 38,39 pin of U3 are all connected with PA-control signal output, and 31,32 pin of U3 are all connected with PB+ control signal output, and 26,27 pin of U3 are all connected with PB-control signal output; 36 pin of U3 are connected with the anode of diode D2, the negative electrode of D2 is connected with the anode of diode D3, and the negative electrode of D3 is connected with protection sampling end VCC, and 24 pin of U3 are connected with the anode of diode D6, the negative electrode of D6 is connected with the anode of diode D4, and the negative electrode of D4 is connected with protection sampling end PA-; 1,2,13,14,15,16,17 pin of U3 are all connected with power supply+15V; Described power supply+15V is connected with the negative electrode of diode Z2, electric capacity C12 one end, electric capacity C13 positive pole respectively, the equal earth connection GND of anode of the C12 other end, C13 negative pole, Z1.
7. a kind of high-efficiency electric automobile charging system according to claim 6, it is characterized in that 42 pin of 41 pin of described U1, U1, electric capacity C2 negative pole, electric capacity C1 one end be connected, 40 pin, resistance R7 one end of C2 positive pole, U1 are connected, the resistance R7 other end is connected with the first light-emitting diodes tube anode, first light-emitting diodes tube cathode is connected with 35 pin of U1, and the C1 other end is connected with 36 pin of U1;
29 pin of U1,30 pin of U1, electric capacity C16 negative pole, electric capacity C17 one end are connected, 28 pin, resistance R98 one end of C16 positive pole, U1 are connected, the resistance R98 other end is connected with the second light-emitting diodes tube anode, second light-emitting diodes tube cathode is connected with 23 pin of U1, and the C17 other end is connected with 24 pin of U1;
41 pin of described U3,42 pin of U3, electric capacity C10 negative pole, electric capacity C9 one end are connected, 40 pin, resistance R16 one end of C10 positive pole, U3 are connected, the resistance R16 other end is connected with the 3rd light-emitting diodes tube anode, 3rd light-emitting diodes tube cathode is connected with 35 pin of U3, and the C9 other end is connected with 36 pin of U3;
29 pin of U3,30 pin of U3, electric capacity C14 negative pole, electric capacity C15 one end are connected, 28 pin, resistance R22 one end of C14 positive pole, U3 are connected, the resistance R22 other end is connected with the 4th light-emitting diodes tube anode, 4th light-emitting diodes tube cathode is connected with 23 pin of U3, and the C15 other end is connected with 24 pin of U3.
8. a kind of high-efficiency electric automobile charging system according to claim 6, it is characterized in that described charge power part comprises three-phase main-frequency rectifier bridge, the input of three-phase main-frequency rectifier bridge is connected with three phase mains, and the output head anode of three-phase main-frequency rectifier bridge is successively by inductance L 3, fuse F1 respectively with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end is connected, and Q1 control end is connected with one end, transformer T1 former limit by resistance R23, the T1 former limit other end respectively with resistance R24 one end, R26 one end is connected, the R24 other end, the R26 other end, Q1 cathode terminal, resistance R29 one end, resistance R31 one end, resistance R32 one end, resistance R30 one end, electric capacity C31 positive pole, electric capacity C32 positive pole, electric capacity C33 positive pole, electric capacity C34 positive pole, electric capacity C35 one end, electric capacity C36 one end, IGBT module Q2 collector electrode, power supply VCC, electric capacity C24 one end, electric capacity C25 one end, electric capacity C28 one end is connected, the R29 other end, the R31 other end, the R32 other end, the C29 other end, the R33 other end is connected, the R30 other end, C31 negative pole, C32 negative pole, C33 negative pole, C34 negative pole, resistance R36 one end, electric capacity C38 positive pole, electric capacity C39 positive pole, electric capacity C40 positive pole, electric capacity C41 positive pole is connected, the R36 other end, C38 negative pole, C39 negative pole, C40 negative pole, C41 negative pole, the negative pole of output end of three-phase main-frequency rectifier bridge, ground wire GND2, resistance R37 one end, voltage stabilizing didoe D15 anode, IGBT module Q3 emitter, electric capacity C42 one end, electric capacity C43 one end, electric capacity C44 one end, driving signal input PB-is connected, the C42 other end, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, T1 first secondary one end is connected, the T1 first secondary other end, Q2 emitter, Q3 collector electrode, voltage-stabiliser tube D10 positive pole, resistance R28 one end, driving signal input PA-is connected, the R28 other end, D10 negative pole, Q2 base stage, resistance R27 one end is connected, and the R27 other end is connected with driving signal input PA+, the R37 other end, D15 negative electrode, Q3 base stage, resistance R35 one end are connected, and the R35 other end is connected with driving signal input PB+,
T1 second secondary one end respectively with electric capacity C37 one end, diode D11 positive pole is connected, the C37 other end by resistance R34 respectively with D11 negative pole, inductance L 4 one end, diode D19 negative pole, resistance R46 one end is connected, the R46 other end by electric capacity C51 respectively with T1 the 3rd secondary one end, D19 positive pole is connected, T1 the 3rd secondary other end respectively with the T1 second secondary other end, electric capacity C45 negative pole, electric capacity C46 negative pole, electric capacity C47 negative pole, electric capacity C48 negative pole, ground wire GND1, first current sense input negative pole is connected, first current sense input positive pole respectively with port V1, C45 positive pole, C46 positive pole, C47 positive pole, C48 positive pole, the L4 other end is connected, first current sensor output by resistance R39 respectively with R40 one end, voltage stabilizing didoe D16 negative electrode, test side ADC2 is connected, the R40 other end, D16 anode, ground wire GND, first current sensor earth terminal is connected, first current sensor power supply termination+5V power supply,
Described power supply VCC is connected with the second current sense input positive pole, second current sense input minus earth line GND2, second current sensor power supply termination+5V power supply, second current sensor output is connected with resistance R43 one end, voltage stabilizing didoe D17 cathode terminal, test side ADC3 respectively by resistance R42, and the R43 other end, D17 anode tap, the second current sensor earth terminal, earth connection GND are connected;
Described port V1 drains with described first electronic switch metal-oxide-semiconductor Q5 respectively, described second electronic switch metal-oxide-semiconductor Q4 drains and is connected, Q5 grid respectively with resistance R45 one end, R47 one end, voltage stabilizing didoe D20 negative electrode is connected, the R45 other end is connected with drive singal port PWM1, the R47 other end, D20 anode, Q5 source electrode, described 4th electronic switch contactor K2 first switch one end, first group storage battery positive pole, drive singal port Load is connected, the K2 first switch other end is connected with detection port moto, described 4th electronic switch contactor K2 second switch one end is connected with detection port FB2, the K2 second switch other end is connected with+15V power supply,
Q4 grid is connected with resistance R41 one end, R44 one end, voltage stabilizing didoe D18 negative electrode respectively, the R41 other end is connected with drive singal port PWM2, the R44 other end, D18 anode, Q4 source electrode, described 3rd electronic switch contactor K1 first switch one end, the second group storage battery positive pole, drive singal port PWM2-are connected, the K1 first switch other end is connected with detection port moto, described 3rd electronic switch contactor K1 second switch one end is connected with detection port FB1, and the K1 second switch other end is connected with+15V power supply;
Described first group storage battery negative pole, the second group storage battery negative pole, the 3rd current sense input positive pole are connected, 3rd current sense input negative pole is connected with ground wire GND1,3rd current sensor earth terminal is connected with ground wire GND, 3rd current sensor power supply termination+5V power supply, 3rd current sensor output is connected with electric capacity C52 one end, resistance R48 one end respectively, the C52 other end is connected with resistance R49 one end, voltage stabilizing didoe D22 anode, ground wire GND respectively, and the R48 other end is connected with test side ADC1, R49 other end, D22 negative electrode respectively;
Described test side ADC1, ADC2, ADC3 are corresponding with 35,36,37 pins of U2 respectively to be connected.
9. a kind of high-efficiency electric automobile charging system according to claim 8, is characterized in that the output head anode of described three-phase main-frequency rectifier bridge is connected with silicon controlled module Q1 positive pole, electric capacity C29 one end, resistance R33 one end respectively by inductance L 3, fuse F1, diode D5 successively.
10. a kind of high-efficiency electric automobile charging system according to claim 8, it is characterized in that the described C42 other end, the electric capacity C43 other end, the electric capacity C44 other end, the C24 other end, the electric capacity C25 other end, the electric capacity C28 other end, electric capacity C30 one end be connected, the electric capacity C30 other end is connected with described T1 first secondary one end; Described L3 adopts 10mH inductance, and R23, R24 adopt 1K resistance.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699776A (en) * | 2014-12-10 | 2016-06-22 | 大唐恩智浦半导体有限公司 | Method and apparatus for contact detection in battery packs |
| CN105932505A (en) * | 2016-07-05 | 2016-09-07 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
| CN107302335A (en) * | 2016-04-15 | 2017-10-27 | 孙峰 | The complementary micro- power station of a kind of environment-friendly type wind, light, alcohol |
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2015
- 2015-04-08 CN CN201520206527.XU patent/CN204681110U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699776A (en) * | 2014-12-10 | 2016-06-22 | 大唐恩智浦半导体有限公司 | Method and apparatus for contact detection in battery packs |
| CN105699776B (en) * | 2014-12-10 | 2020-04-17 | 大唐恩智浦半导体有限公司 | Method and apparatus for contact point detection in battery pack |
| CN107302335A (en) * | 2016-04-15 | 2017-10-27 | 孙峰 | The complementary micro- power station of a kind of environment-friendly type wind, light, alcohol |
| CN105932505A (en) * | 2016-07-05 | 2016-09-07 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
| CN105932505B (en) * | 2016-07-05 | 2018-11-30 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
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