CN105365596A - Intelligent control system for electric vehicle alternating-current charging pile - Google Patents
Intelligent control system for electric vehicle alternating-current charging pile Download PDFInfo
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- CN105365596A CN105365596A CN201510844260.1A CN201510844260A CN105365596A CN 105365596 A CN105365596 A CN 105365596A CN 201510844260 A CN201510844260 A CN 201510844260A CN 105365596 A CN105365596 A CN 105365596A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention discloses an intelligent control system for an electric vehicle alternating-current charging pile. The system comprises a CPU system, an abrupt stop button circuit, an electronic lock circuit, an auxiliary power supply circuit, an LCD, a keyboard circuit, a not-grounding detection circuit, a temperature sensor circuit, an RFID card reader circuit, a storage circuit, a voltage/current detection circuit, an electric meter circuit, a background communication interface circuit, an output circuit, a control guide circuit, and an indicator light circuit. The intelligent control system has the advantage that the system has a vehicle interface automatic matching function, an identity recognition function, a reservation function, a temperature protection function, a charging cable anti-theft function and a flexible configuration function.
Description
Technical field
The present invention relates to a kind of control system, particularly relate to a kind of intelligent control system being exclusively used in electric vehicle alternating-current charging pile; Belong to electronlmobil intelligent charge facility applied technical field.
Background technology
Electronlmobil intelligent AC charging pile is the electric energy supplemental facilities for New-energy electric vehicle; By carrying out with automobile communicating, monitoring, control, can be reliably charging electric vehicle.This stake at least possesses charging reservation function, possesses the various vehicle functions of self adaptation, possesses detection vehicle-state, possess and be full of protection, possess overvoltage, under-voltage, the defencive function such as overcurrent, excess temperature, possess metering and billing function, possess multiple identity recognition function, possess data acquisition, remote control function;
Current charging pile is on the market of a great variety, function singleness, and safety method is single, does not even have what safety method; Contradiction is there is in perfect in shape and function and between controlling cost; At type can existing defects in flexible configuration, can not a machine change various configurations; Substantially blank on overheat protector.
Summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides a kind of structure simply, automatically to identify vehicle, safe and reliable, can provide the intelligent AC electrically-charging equipment of different configuration flexibly;
For achieving the above object, the technical scheme that the present invention takes is:
For an intelligent control system for electric vehicle alternating-current charging pile, comprise CPU disposal system, scram button circuit, electronic lock circuit, auxiliary power circuit, LCD display, keyboard circuit, unearthed testing circuit, temperature sensor circuit, RFID card reader circuit, memory circuit, voltage/current testing circuit, meter circuit, background communication interface circuit, output circuit, control pilot circuit and indicator light circuit;
Wherein, described CPU disposal system, for realizing the control of the operation of whole equipment and process of charging;
Described scram button circuit, for realizing the control interrupted of in emergency circumstances charging;
Described electronic lock circuit, for realizing the locking of charging gun in process of charging;
Described auxiliary power circuit, for realizing the conversion of+5V to+3.3V, provides operating voltage to CPU disposal system;
Described LCD display circuit, for realizing the display of facility information and charge information;
Described keyboard circuit, for realizing information input when user carries out man-machine interaction;
Described unearthed testing circuit, for realizing the detection of equipment ground, unearthed two states;
Described temperature sensor circuit, for realizing the temperature detection at charging inlet place;
Described RFID card reader circuit, for realizing the identification of user identity;
Described memory circuit, for realizing the storage of system parameter, transaction record and upgrade file;
Described voltage/current testing circuit, for realizing the monitoring whether in normal range of the voltage of equipment, electric current;
Described meter circuit, for realizing the metering of the charge capacity of Different periods;
Described background communication interface circuit, for realizing connection and the communication of equipment and background communication system;
Described output circuit, for realizing the output of peripheral unit control;
Described control pilot circuit, shakes hands and information communication for the interface realized between charging pile and car;
Described indicator light circuit, for realizing the display of different conditions signal;
Further improvement, is provided with CPU treater U1 in described CPU disposal system, completed the control of charging flow, relevant acquisition of signal and protection act by this CPU treater U1;
Further improvement, 35 pin of described CPU treater U1 are connected with described scram button circuit; 55 pin of described CPU treater U1 are connected with described auxiliary power circuit; 2 ~ 5 pin, 15 ~ 18 pin of described CPU treater U1 are connected with described keyboard circuit; 47 pin of described CPU treater U1 are connected with described unearthed testing circuit; 24 pin of described CPU treater U1 are connected with described temperature sensor circuit; 78 pin of described CPU treater U1,79 pin, 25 pin, 26 pin are connected with described RFID card reader circuit, background communication circuit; 91 pin of described CPU treater U1 are connected with described memory circuit; 51 ~ 54 pin, 44 ~ 46 pin of described CPU treater U1 are connected with described voltage/current testing circuit; 67 ~ 69 pin of described CPU treater U1 are connected with described meter circuit; 31 pin of described CPU treater U1 are connected with described output circuit; 30 pin of described CPU treater U1,36 pin, 56 pin, 64 pin are connected with described control pilot circuit; 59 pin of described CPU treater U1,65 pin, 63 pin are connected with described electronic lock circuit; 96 ~ 98 pin of described CPU treater U1 are connected with described indicator light circuit; 58 pin of described CPU treater U1,60 ~ 62 pin, 81 ~ 82 pin, 85 ~ 86 pin, 88 pin, 38 ~ 41 pin are connected with described LCD display;
Further improvement, described CPU treater U1 inside is integrated with PWM waveform generator, exports PWM waveform by 32 pin of described CPU treater U1;
Further improvement, is provided with stabilivolt U3 in described auxiliary power circuit; + 3.3V voltage is become to export+5V the voltage transformation of input by this stabilivolt U3;
Further improvement, is provided with thermally dependent resistor N1 in described temperature sensor circuit, detect temperature traverse, calculate temperature value by electric signal by this thermally dependent resistor N1;
Further improvement, is provided with card reader communication chip U6, Wiring port J5 in described RFID card reader circuit; GPRS can be realized by card reader communication chip U6 with the cooperation of Wiring port J5 to communicate, user identity identification function;
Further improvement, is provided with ammeter communication chip U8 in described meter circuit, by this ammeter communication chip U8, achieve and communicated with outside ammeter by RS485 interface, obtains accurate-metering charging valtage, charge circuit, charge capacity;
Further improvement, is provided with electric energy computation chip U19 in described voltage/current testing circuit, is accurately detected and voltage, current value detected by recording by this electric energy computation chip U19;
Further improvement, is provided with the matrix keyboard of 4x4 in described keyboard circuit, totally 16 road buttons, can realize information input function when user carries out man-machine interaction;
Further improvement, is provided with electronic lock control interface K1 in described electronic lock circuit, realized the lock function of charging gun in process of charging by this electronic lock control interface K1;
Further improvement, described memory circuit comprises expansion EEPROM and FLASH memory circuit;
Further improvement, described control pilot circuit comprises CP circuit and CC circuit;
Further improvement, the circuit structure of described background communication interface circuit is identical with described RFID card reader circuit, can realize CAN communication, and RS485 communicates, and GPRS communicates, and ethernet communication can provide various ways to communicate with backstage;
Compared with prior art, adopt such scheme, the invention has the beneficial effects as follows: the product that the present invention produces has the following advantages: (1), Auto-matching can be carried out with the automobile of domestic and international same-interface; (2) different charging modes is possessed: automatically, regularly, determine expense; (3), possess local reservation charge function, user can be allowed to select to charge during electricity consumption paddy, power cost saving; (4), multiple identity recognition function is possessed: namely insert and namely fill mode, mode of swiping the card, input pin mode, personality card mode, Bluetooth of mobile phone mode, backstage remote controlled manner.These modes can select one or more, can flexible configuration; (5) man-machine interface possesses card reader, read-out, keyboard, indicator lamp, and these configurations can combination in any, and panel can customize arbitrarily; Casing can adapt to the demand of client not of the same race; (6), defencive function is complete: overvoltage protection, under-voltage protection, overcurrent protection, overheat protector, over-charge protective.Particularly charging inlet place possesses overheat protector, can eliminate safe hidden trouble; (7), metering and billing function; (8), system automatically and manual test function; (9), the inquiry of historical data function; (10), with background communication function.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the CPU disposal system Part I schematic circuit diagram in the present invention;
Fig. 3 is the CPU disposal system Part II schematic circuit diagram in the present invention;
Fig. 4 is the auxiliary power circuit schematic diagram in the present invention;
Fig. 5 is the scram button schematic circuit diagram in the present invention;
Fig. 6 is the keyboard circuit schematic diagram in the present invention;
Fig. 7 is the unearthed testing circuit schematic diagram in the present invention;
Fig. 8 is the temperature sensor circuit schematic diagram in the present invention;
Fig. 9 is the RFID card reader schematic circuit diagram in the present invention;
Figure 10 is the FLASH memory circuit schematic diagram in the present invention;
Figure 11 is the voltage/current testing circuit schematic diagram in the present invention;
Figure 12 is the meter circuit schematic diagram in the present invention;
Figure 13 is the output circuit schematic diagram in the present invention;
Figure 14 is the CP schematic circuit diagram in the present invention;
Figure 15 is the CC schematic circuit diagram in the present invention;
Figure 16 is the electronic lock circuit schematic diagram in the present invention;
Figure 17 is the indicator light circuit schematic diagram in the present invention;
Figure 18 is the schematic flow sheet of main work flow of working in the present invention;
Figure 19 is the schematic flow sheet of sub-workflow 1 of working in the present invention;
Figure 20 is the schematic flow sheet of sub-workflow 2 of working in the present invention;
Figure 21 is the schematic flow sheet of sub-workflow 3 of working in the present invention;
Figure 22 is the schematic flow sheet of sub-workflow 4 of working in the present invention;
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, for an intelligent control system for electric vehicle alternating-current charging pile, comprise CPU disposal system, scram button circuit, electronic lock circuit, auxiliary power circuit, LCD display, keyboard circuit, unearthed testing circuit, temperature sensor circuit, RFID card reader circuit, memory circuit, voltage/current testing circuit, meter circuit, background communication interface circuit, output circuit, control pilot circuit and indicator light circuit; Wherein, described CPU disposal system, for realizing the control of the operation of whole equipment and process of charging; Described scram button circuit, for realizing the control interrupted of in emergency circumstances charging; Described electronic lock circuit, for realizing the locking of charging gun in process of charging; Described auxiliary power circuit, for realizing the conversion of+5V to+3.3V, provides operating voltage to CPU disposal system; Described LCD display circuit, for realizing the display of facility information and charge information; Described keyboard circuit, for realizing information input when user carries out man-machine interaction; Described unearthed testing circuit, for realizing the detection of equipment ground, unearthed two states; Described temperature sensor circuit, for realizing the temperature detection at charging inlet place; Described RFID card reader circuit, for realizing the identification of user identity; Described memory circuit, for realizing the storage of system parameter, transaction record and upgrade file; Described voltage/current testing circuit, for realizing the monitoring whether in normal range of the voltage of equipment, electric current; Described meter circuit, for realizing the metering of the charge capacity of Different periods; Described background communication interface circuit, for realizing connection and the communication of equipment and background communication system; Described output circuit, for realizing the output of peripheral unit control; Described control pilot circuit, shakes hands and information communication for the interface realized between charging pile and car; Described indicator light circuit, for realizing the display of different conditions signal;
As shown in Figure 2 and Figure 3, described CPU disposal system comprises CPU treater U1, resistance R1, R2, R3; One pin of the 37 pin connecting resistance R1 of described CPU treater U1, another pin ground connection of resistance R1; One pin of the 92 pin connecting resistance R2 of described CPU treater U1, another pin of resistance R2 connects memory circuit; One pin of the 93 pin connecting resistance R3 of described CPU treater U1, another pin of resistance R3 connects memory circuit;
35 pin of described CPU treater U1 are connected with described scram button circuit; 55 pin of described CPU treater U1 are connected with described auxiliary power circuit; 2 ~ 5 pin, 15 ~ 18 pin of described CPU treater U1 are connected with described keyboard circuit; 47 pin of described CPU treater U1 are connected with described unearthed testing circuit; 24 pin of described CPU treater U1 are connected with described temperature sensor circuit; 78 pin of described CPU treater U1,79 pin, 25 pin, 26 pin are connected with described RFID card reader circuit, background communication circuit; 91 pin of described CPU treater U1 are connected with described memory circuit; 51 ~ 54 pin, 44 ~ 46 pin of described CPU treater U1 are connected with described voltage/current testing circuit; 67 ~ 69 pin of described CPU treater U1 are connected with described meter circuit; 31 pin of described CPU treater U1 are connected with described output circuit; 30 pin of described CPU treater U1,36 pin, 56 pin, 64 pin are connected with described control pilot circuit; 59 pin of described CPU treater U1,65 pin, 63 pin are connected with described electronic lock circuit; 96 ~ 98 pin of described CPU treater U1 are connected with described indicator light circuit; 58 pin of described CPU treater U1,60 ~ 62 pin, 81 ~ 82 pin, 85 ~ 86 pin, 88 pin, 38 ~ 41 pin are connected with described LCD display; 70 pin of described CPU treater U1 export CAN_RXD signal; 71 pin of described CPU treater U1 export CAN_TXD signal; 70 pin, 71 pin of described CPU treater U1 realize CAN communication; 42 pin of described CPU treater U1 export S1_CONCATOR signal; 43 pin of described CPU treater U1 export S2_CONCATOR signal;
Described CPU treater U1 inside is integrated with PWM waveform generator, exports PWM waveform by 32 pin of described CPU treater U1;
Preferably, described CPU treater U1 adopts model to be the microprocessor of STM32F103VET6; The resistance of described resistance R1 is 10K Ω; The resistance of described resistance R2, R3 is 100K Ω;
Described CPU microprocessor is integrated with automobile and controls to guide the PWM waveform generator needed, and can carry out information interaction with car, can Auto-matching domestic and international main flow electronlmobil interface; Be mainly used in controlling all peripheral components, comprise man-machine interface, charging flow, background monitoring communication;
As shown in Figure 4, described auxiliary power circuit comprises four filter circuits, is respectively the first filter circuit, the second filter circuit, the 3rd filter circuit, the 4th filter circuit; Stabilivolt U3, display circuit and Wiring port J10;
Preferably, described stabilivolt U3 adopts model to be the voltage stabilizer of AZ1117D-3.3; It exports termination+5V voltage, and mouth exports+3.3V voltage; The mouth of described stabilivolt U3 is connected with 55 pin of described CPU treater U1;
Preferably, 1 pin of described Wiring port J10 connects+5V voltage; 2 pin of described Wiring port J10 connect+12V voltage; 3 pin of described Wiring port J10 connect-12V voltage; The 4 pin ground connection of described Wiring port J10;
Preferably, described Wiring port J10 adopts specification to be the Wiring port of 3.96mm-4;
Described first filter circuit comprises electric capacity C52, C53, C57; In parallel with the positive pole of electric capacity C57 again after one pin of described electric capacity C52 is in parallel with a pin of electric capacity C53, finally access 3 pin of stabilivolt U3; 3 pin of described stabilivolt U3 are connected with 1 pin of described Wiring port J10; In parallel with the negative pole of electric capacity C57 again after another pin of described electric capacity C52 is in parallel with another pin of electric capacity C53, finally access 1 pin of stabilivolt U3; The 1 pin ground connection of described stabilivolt U3;
Preferably, the capacitance of described electric capacity C52 is 100nF; The capacitance of described electric capacity C53 is 1000pF; The capacitance of described electric capacity C57 is 220uF, and voltage is 16V;
Described second filter circuit comprises electric capacity C54, C55, C56, C58; One pin of the described electric capacity C54 respectively pin of described C55, the positive pole of electric capacity C56, the positive pole parallel connection of electric capacity C58 accesses 2 pin of stabilivolt U3 afterwards; 2 pin of described stabilivolt U3 export 3.3V voltage;
Preferably, the capacitance of described electric capacity C54 is 100nF; The capacitance of described electric capacity C55 is 1000pF; The capacitance of described electric capacity C56 is 220uF, and voltage is 16V; The capacitance of described electric capacity C58 is 4700uF, and voltage is 6.3V;
Described 3rd filter circuit comprises electric capacity C63, C60, C65; In parallel with the negative pole of electric capacity C65 again after one pin of described electric capacity C63 is in parallel with a pin of electric capacity C60, finally access 3 pin of Wiring port J10; In parallel with the positive pole of electric capacity C65 again after another pin of described electric capacity C63 is in parallel with another pin of electric capacity C60, last ground connection;
Preferably, the capacitance of described electric capacity C63 is 100nF; The capacitance of described electric capacity C60 is 1000pF; The capacitance of described electric capacity C65 is 330uF, and voltage is 25V;
Described 4th filter circuit comprises electric capacity C61, C62, C64; In parallel with the positive pole of electric capacity C64 again after one pin of described electric capacity C61 is in parallel with a pin of electric capacity C62, finally access 2 pin of Wiring port J10; In parallel with the negative pole of electric capacity C64 again after another pin of described electric capacity C61 is in parallel with another pin of electric capacity C62, last ground connection;
Preferably, the capacitance of described electric capacity C61 is 100nF; The capacitance of described electric capacity C62 is 1000pF; The capacitance of described electric capacity C64 is 330uF, and voltage is 25V;
Described display circuit comprises diode D11, resistance R68; The negative pole of described diode D11 is connected with 1 pin of Wiring port J10; The positive pole of described diode D11 is connected with a pin of described resistance R68, another pin ground connection of described resistance R68;
Preferably, described diode D11 is light-emitting diode;
Preferably, the resistance of described resistance R68 is 510 Ω;
+ 5V the voltage transformation of input, for realizing the conversion of power supply, becomes+3.3V voltage to export by the stabilivolt U3 of its inside, provides required power supply to CPU disposal system and other components and parts by described auxiliary power circuit;
As shown in Figure 5, described scram button circuit comprises Wiring port J4, resistance R36 37 38, electric capacity C35, aerotron Q3; One pin of described resistance R36 is connected with 1 pin of Wiring port J4; 3 pin of Wiring port J4 are accessed again after another pin of described resistance R36 is in parallel with a pin of electric capacity C35; 3 pin of described Wiring port J4 are connected with a pin of resistance R37; Another pin of described resistance R37 is connected with the base stage B of aerotron Q3; The collecting electrode C of described aerotron Q3 connects 3.3V voltage; The emitter E E of described aerotron Q3 is connected with a pin of described resistance R38; Ground connection after another pin of described resistance R38 is in parallel with another pin of electric capacity C35; The emitter E of described aerotron Q3 is also connected with 35 pin of described CPU treater U1;
Preferably, described resistance R36 37 38 resistance be 2K Ω; The capacitance of described C35 is 1000pF;
Preferably, described Wiring port J4 adopts specification to be the Wiring port of 2.5mm-4;
Preferably, described aerotron Q3 adopts model to be the aerotron of MMBT440ILT1;
Described scram button circuit in the present invention, is mainly used in realizing the control interrupted of in emergency circumstances charging;
As shown in Figure 6, described keyboard circuit comprises resistance R105/R106/R107/R108/R109/R110/R111/R112, electric capacity C87/C88/C89/C90/C91/C92/C93/C94/C85/C86, button D18/D19/D20/D21/D22/D23/D24/25 and Wiring port J15; 1 pin of described Wiring port J15 is connected with 18 pin of described CPU treater U1; 2 pin of described Wiring port J15 are connected with 17 pin of described CPU treater U1; 3 pin of described Wiring port J15 are connected with 16 pin of described CPU treater U1; 4 pin of described Wiring port J15 are connected with 15 pin of described CPU treater U1; 5 pin of described Wiring port J15 are connected with 5 pin of described CPU treater U1; 6 pin of described Wiring port J15 are connected with 4 pin of described CPU treater U1; 7 pin of described Wiring port J15 are connected with 3 pin of described CPU treater U1; 8 pin of described Wiring port J15 are connected with 2 pin of described CPU treater U1;
One pin of described resistance R105 connects 3.3V voltage; Another pin of described resistance R105 is connected with 1 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C87; Another pin ground connection of described electric capacity C87;
One pin of described resistance R106 connects 3.3V voltage; Another pin of described resistance R106 is connected with 2 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C88; Another pin ground connection of described electric capacity C88;
One pin of described resistance R107 connects 3.3V voltage; Another pin of described resistance R107 is connected with 3 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C89; Another pin ground connection of described electric capacity C89;
One pin of described resistance R108 connects 3.3V voltage; Another pin of described resistance R108 is connected with 4 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C90; Another pin ground connection of described electric capacity C90;
One pin of described resistance R109 connects 3.3V voltage; Another pin of described resistance R109 is connected with 5 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C91; Another pin ground connection of described electric capacity C91;
One pin of described resistance R110 connects 3.3V voltage; Another pin of described resistance R110 is connected with 6 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C92; Another pin ground connection of described electric capacity C92;
One pin of described resistance R111 connects 3.3V voltage; Another pin of described resistance R111 is connected with 7 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C93; Another pin ground connection of described electric capacity C93;
One pin of described resistance R112 connects 3.3V voltage; Another pin of described resistance R112 is connected with 8 pin of described Wiring port J15 with after a pin parallel connection of electric capacity C94; Another pin ground connection of described electric capacity C94;
1 pin of described button D18 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D18; 3 pin of described button D18 connect 3.3V voltage;
1 pin of described button D19 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D19; 3 pin of described button D19 connect 3.3V voltage;
1 pin of described button D20 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D20; 3 pin of described button D20 connect 3.3V voltage;
1 pin of described button D21 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D21; 3 pin of described button D21 connect 3.3V voltage;
1 pin of described button D22 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D22; 3 pin of described button D22 connect 3.3V voltage;
1 pin of described button D23 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D23; 3 pin of described button D23 connect 3.3V voltage;
1 pin of described button D24 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D24; 3 pin of described button D24 connect 3.3V voltage;
1 pin of described button D25 is connected with 1 pin of Wiring port pin J15; The 2 pin ground connection of described button D25; 3 pin of described button D25 connect 3.3V voltage;
Further, described button D18/D19/D20/D21/D22/D23/D24/25 forms 8 16 road signal input keys dishes;
Preferably, the resistance of described resistance R105/R106/R107/R108/R109/R110/R111/R112 is 10K Ω; The capacitance of described electric capacity C87/C88/C89/C90/C91/C92/C93/C94/C85/C86 is 1000pF;
Preferably, button D18/D19/D20/D21/D22/D23/D24/25 all adopts model to be BAV99LTIG;
Preferably, described Wiring port J15 adopts specification to be the Wiring port of 2.5MM-9;
In the present invention, described keyboard circuit is by its inner 4x4 matrix keyboard arranged, and totally 16 road buttons, can realize information input function when user carries out man-machine interaction;
As shown in Figure 7, described unearthed testing circuit comprises resistance R22/R23/R47/R39/R46/R48/R25, electric capacity C17, amplifier U7A;
The one pin access 3.3V voltage of described resistance R22; Another pin of described resistance R22 is connected with a pin of resistance R23; Another pin of described resistance R23 is connected with 3 pin of amplifier U7A; One pin of described electric capacity C17 is also connected with 3 pin of amplifier U7A with after a pin parallel connection of resistance R47; Ground connection after another pin of described electric capacity C17 is in parallel with another pin of resistance R47; The one pin access 3.3V voltage of described resistance R39; Another pin of described resistance R39 is connected with 2 pin of amplifier U7A with after a pin parallel connection of resistance R46; Another pin ground connection of described resistance R46; The 8 pin access 3.3V voltages of described amplifier U7A; The 4 pin ground connection of described amplifier U7A; The one pin access 3.3V voltage of described resistance R48; Another pin of described resistance R48 is connected with 1 pin of described amplifier U7A with after a pin parallel connection of resistance R25; Another pin of described resistance R25 is connected with 47 pin of described CPU treater U1;
Preferably, the resistance of described resistance R22/R23 is 10M Ω; The resistance of described resistance R47/R39/R25 is 300K Ω; The resistance of described resistance R46/R48 is 22K Ω;
Preferably, the capacitance of described electric capacity C17 is 1uF, and voltage is 16V;
Preferably, described amplifier U7A adopts model to be the amplifier of LM2903D;
Described unearthed testing circuit is for realizing the detection of equipment ground, unearthed two states; The reliable ground of check implement;
As shown in Figure 8, described temperature sensor circuit comprises resistance R87/R90, thermally dependent resistor N1, electric capacity C86/C87; Vref signal is accessed after one pin of described electric capacity C86 is in parallel with a pin of resistance R87; Another pin of described resistance R87 is connected with a pin of described thermally dependent resistor N1 with after a pin parallel connection of resistance R90; Ground connection after another pin of described thermally dependent resistor N1 is in parallel with another pin of electric capacity C86; Another pin of described resistance R90 is connected with 24 pin of described CPU treater U1 with after a pin parallel connection of electric capacity C87; Another pin ground connection of described electric capacity C87;
Preferably, the capacitance of described electric capacity C86/C87 is 100nF; The resistance of described resistance R87 is 10K Ω; The resistance of described resistance R90 is 1K Ω;
Preferably, the resistance of described thermally dependent resistor N1 is 10K Ω;
Described temperature sensor circuit can detect the temperature at key position charging connection interface place; In the present invention, described temperature sensor circuit detects temperature traverse by its inner thermally dependent resistor N1 arranged, and calculates temperature value by electric signal;
As shown in Figure 9, described RFID card reader circuit comprises card reader communication chip U6, Wiring port J5, electric capacity C33/C34/C36/37;
1 pin of described card reader communication chip U6 is connected with a pin of described electric capacity C34; Another pin of described electric capacity C34 is connected with 3 pin of described card reader communication chip U6; 4 pin of described card reader communication chip U6 are connected with a pin of described electric capacity C37; Another pin of described electric capacity C37 is connected with 35 pin of described card reader communication chip U6; 11 pin of described card reader communication chip U6 are connected with 25 pin of described CPU treater U1; 10 pin of described card reader communication chip U6 are connected with 78 pin of CPU treater U1; 12 pin of described card reader communication chip U6 are connected with 26 pin of CPU treater U1; 9 pin of described card reader communication chip U6 are connected with 79 pin of CPU treater U1; 2 pin of described card reader communication chip U6 are connected with a pin of described electric capacity C33; Ground connection after another pin of described electric capacity C33 is in parallel with a pin of electric capacity C36; Another pin of described electric capacity C36 is connected with 6 pin of described card reader communication chip U6; The 16 pin access 3.3V voltages of described card reader communication chip U6; The 15 pin ground connection of described card reader communication chip U6; 14 pin of described card reader communication chip U6 are connected with 7 pin of described Wiring port J5; 7 pin of described card reader communication chip U6 are connected with 3 pin of described Wiring port J5; 13 pin of described card reader communication chip U6 are connected with 6 pin of described Wiring port J5; 8 pin of described card reader communication chip U6 are connected with 2 pin of described Wiring port J5; 1 pin, 5 pin of described Wiring port J5 all access+5V voltage; 4 pin of described Wiring port J5, the equal ground connection of 8 pin;
Preferably, described card reader communication chip U6 adopts model to be the card reader of ADM3202ARU-REEL;
Preferably, Wiring port J5 adopts specification to be the Wiring port of 2.5mm-8;
Preferably, the capacitance of electric capacity C33/C34/C36/37 is 100nF;
Described RFID card reader circuit can read conventional non-contact card, such as M1 card and CPU card; Main employing serial interface and external equipment card reader operate card reader alternately;
In the present invention, described RFID card reader circuit can realize GPRS by the card reader communication chip U6 that its inside is provided with the cooperation of Wiring port J5 and communicate, user identity identification function;
Further, described memory circuit comprises expansion EEPROM and FLASH memory circuit; Described expansion EEPROM is connected with described resistance R2, R3 respectively;
As shown in Figure 10, described FLASH memory circuit comprises flash chip U12, resistance R61, electric capacity C50/C51; The one pin access 3.3V voltage of described resistance R61; Another pin of described resistance R61 is connected with 1 pin of described flash chip U12; The 1 pin access SPI_EN signal of described flash chip U12; The 2 pin access SPI_MISO signals of described flash chip U12; 5 pin of described flash chip U12 are connected with 91 pin of described CPU treater U1; The 6 pin access SPI_CLK signals of described flash chip U12; 3 pin of described flash chip U12,7 pin, 8 pin all access 3.3V voltage; The 4 pin ground connection of described flash chip U12; 3.3V voltage is accessed after one pin of described electric capacity C50 is in parallel with a pin of electric capacity C51; Ground connection after another pin of described electric capacity C50 is in parallel with another pin of electric capacity C51;
Preferably, described flash chip U12 adopts model to be the flash chip of SST25VF020B;
Preferably, the resistance of described resistance R61 is 10K Ω;
Preferably, the capacitance of described electric capacity C50 is 100nF; The capacitance of described electric capacity C51 is 10uF, voltage is 10V;
Described expansion EEPROM and FLASH storage chip, for stores system parameters, the data such as transaction record and upgrade file;
As shown in figure 11, described voltage/current testing circuit comprises resistance R97/R96/R91/R92/R93/R100, electric energy computation chip U19, electric capacity C76/C74/C71/C72/C75/C78/C80/C81/C82/C83, crystal oscillator X3;
Described electric capacity C75, C78 and crystal oscillator X3 form 22 pin, 23 pin that oscillating circuit accesses described electric energy computation chip U19;
The one pin access+5V voltage of described resistance R97; Another pin of described resistance R97 2 pin of afterwards accessing described electric energy computation chip U19 in parallel with a pin of electric capacity C76;
1 pin of described electric energy computation chip U19 is connected with a pin of resistance R96; Another pin 5 pin of afterwards accessing described electric energy computation chip U19 in parallel with a pin of described electric capacity C74 of described resistance R96; Another pin ground connection of described electric capacity C74;
The 1 pin access+5V voltage of described electric energy computation chip U19; 1 pin of described electric energy computation chip U19 is also connected with a pin of described electric capacity C71, a pin of electric capacity C72 respectively; Ground connection after another pin of described electric capacity C71 is in parallel with another pin of electric capacity C72;
18 pin of described electric energy computation chip U19 are connected with 51 pin of described CPU treater U1; 21 pin of described electric energy computation chip U19 are connected with 52 pin of described CPU treater U1; 20 pin of described electric energy computation chip U19 are connected with 53 pin of described CPU treater U1; 19 pin of described electric energy computation chip U19 are connected with 54 pin of described CPU treater U1;
17 pin of described electric energy computation chip U19 are connected with 46 pin of described CPU treater U1; 16 pin of described electric energy computation chip U19 are connected with 45 pin of described CPU treater U1; 15 pin of described electric energy computation chip U19 are connected with 44 pin of described CPU treater U1;
4 pin of described electric energy computation chip U19 are connected with a pin of described resistance R100; Another pin access+5V voltage of described resistance R100;
24 pin of described electric energy computation chip U19, the equal ground connection of 23 pin;
One pin of described resistance R91 is connected with 18 pin of described electric energy computation chip U19; Another pin access+5V voltage of described resistance R91; One pin of described resistance R92 is connected with 21 pin of described electric energy computation chip U19; Another pin access+5V voltage of described resistance R92; One pin of described resistance R93 is connected with 19 pin of described electric energy computation chip U19; Another pin access+5V voltage of described resistance R93;
One pin of described electric capacity C80 is connected with 12 pin of described electric energy computation chip U19 with after a pin parallel connection of electric capacity C81; Ground connection after another pin of described electric capacity C80 is in parallel with another pin of electric capacity C81; One pin of described electric capacity C82 is connected with 3 pin of described electric energy computation chip U19 with after a pin parallel connection of electric capacity C83; ; Ground connection after another pin of described electric capacity C82 is in parallel with another pin of electric capacity C83;
Preferably, described electric energy computation chip U19 adopts model to be the electric energy computation chip of ATT7053BU;
Preferably, described crystal oscillator X3 adopts the crystal oscillator of 6MHz;
Preferably, the capacitance of described electric capacity C75, C78 is 22pF, and voltage is 50V;
Preferably, the capacitance of described electric capacity C76, C74, C72, C80, C82 is 100nF;
Preferably, the capacitance of described electric capacity C71, C81 is 10uF, and voltage is 10V;
Preferably, the capacitance of described electric capacity C83 is 1uF, and voltage is 16V;
Preferably, the resistance of described resistance R91, R92, R93, R100 is 4.7K Ω;
Preferably, the resistance of described resistance R96 is 3.3K Ω;
Preferably, the resistance of described resistance R97 is 10K Ω;
Described voltage/current testing circuit can the electric current and voltage of watch-dog in normal scope; In the present invention, voltage/current testing circuit is accurately detected by its inner electric energy computation chip U19 arranged and voltage, current value detected by recording; CPU obtains this value by SPI interface circuit;
As shown in figure 12, described meter circuit comprises ammeter communication chip U8, resistance R41/R42/R44;
1 pin of described ammeter communication chip U8 is connected with 69 pin of described CPU treater U1; 2 pin, 3 pin of described ammeter communication chip U8 are connected with 67 pin of described CPU treater U1; 4 pin of described ammeter communication chip U8 are connected with 68 pin of described CPU treater U1; 1 pin of described ammeter communication chip U8 is also connected with a pin of described resistance R42; Another pin access 3.3V voltage of described resistance R42; The 8 pin access 3.3V voltages of described ammeter communication chip U8; 7 pin of described ammeter communication chip U8 export METER1_485B signal; 6 pin of described ammeter communication chip U8 export METER1_485A signal; 6 pin of described ammeter communication chip U8,7 pin realize RS485 communication; 7 pin of described ammeter communication chip U8 are also connected with a pin of resistance R42, a pin of resistance R44 respectively; Another pin of described resistance R41 is connected with 6 pin of described ammeter communication chip U8; Another pin of described resistance R44 is connected with 5 pin of described ammeter communication chip U8; The 5 pin ground connection of described ammeter communication chip U8;
Preferably, described ammeter communication chip U8 employing model is the ammeter chip of SN65HVD72D;
Preferably, the resistance of described resistance R42, R44 is 4.7K Ω;
Preferably, the resistance of described resistance R41 is 120K Ω;
Described meter circuit preparatively for metering and billing provides data, can operate ammeter by serial interface and external equipment ammeter alternately;
In the present invention, described meter circuit, by its inner ammeter communication chip U8 arranged, is achieved and is communicated with outside ammeter by RS485 interface, obtain accurate-metering charging valtage, charge circuit, charge capacity;
As shown in figure 13, described output circuit comprises relay K 3, transistor D15, aerotron Q11/Q14, resistance R75/R78/R6/R115/R116;
One pin of described resistance R75 is connected with 31 pin of described CPU treater U1; Another pin of described resistance R75 is connected with the base stage B of described aerotron Q11 with after a pin parallel connection of described resistance R78; Another pin of described resistance R78 is connected with the emitter E of described aerotron Q11; The emitter E ground connection of described aerotron Q11; The collecting electrode C of described aerotron Q11 is connected with a pin of described resistance R6; Another pin of described resistance R6 is connected with the collecting electrode C of described aerotron Q14,2 pin of described relay K 3 respectively; 2 pin of described relay K 3 are also connected with 1 pin of described transistor D15,2 pin; 1 pin of described relay K 3 is connected with 2 pin of Wiring port J4 in described scram button circuit with after the 3 pin parallel connections of described transistor D15 again;
One pin of described resistance R115 connects CONTACT_CTRL signal; Another pin of described resistance R115 is connected with the base stage B of described aerotron Q14 with after a pin parallel connection of described resistance R116 again; Another pin of described resistance R116 is connected with the emitter E of described aerotron Q14; The emitter E ground connection of described aerotron Q14;
Preferably, described aerotron Q11/Q14 all adopts model to be the aerotron of MMBT4401LT1;
Preferably, described transistor D15 adopts model to be the transistor of BAV70LTIG;
Preferably, described relay K 3 adopts model to be the relay of T9SV1K15-12;
Preferably, the resistance of described resistance R75, R115 is 1K Ω; The resistance of described resistance R78, R116 is 10K Ω; The resistance of described resistance R6 is 75 Ω, and power is 1W;
Described output circuit, for realizing the output of peripheral unit control;
Further, described control pilot circuit comprises CP circuit (as shown in figure 14) and CC circuit (as shown in figure 15); In the present invention, control pilot circuit is mainly used in the interface realized between charging pile and car and shakes hands and information communication;
As shown in figure 14, described CP circuit comprises transistor D1/D2, resistance R12/R14/R13, electric capacity C17/C18/C95/C96, amplifier U3A;
1 pin, 2 pin of described transistor D1 are connected with 56 pin of described CPU treater U1; 3 pin of described transistor D1 are connected with a pin of described resistance R12; Another pin 3 pin of afterwards accessing amplifier U3A in parallel with a pin of described resistance R14 of described resistance R12; Another pin ground connection of described resistance R14; The 4 pin ground connection of described amplifier U3A; 2 pin of described amplifier U3A are connected with 3 pin of described transistor D2; The 8 pin access+12V voltages of described amplifier U3A; 1 pin of described amplifier U3A is connected with 1 pin of described transistor D2,2 pin; 3 pin of described transistor D2 are connected with a pin of described resistance R13, a pin of electric capacity C17 respectively; Another pin of described resistance R13 is connected with 30 pin of described CPU treater U1,36 pin with after a pin parallel connection of described electric capacity C18; Ground connection after another pin of described electric capacity C18 is in parallel with another pin of described electric capacity C17;
One pin of described electric capacity C95 8 pin that afterwards access amplifier U3A in parallel with a pin of electric capacity C96; Ground connection after another pin of described electric capacity C95 is in parallel with another pin of electric capacity C96;
Preferably, described transistor D1/D2 all adopts model to be the transistor of BAV70LTIG;
Preferably, described amplifier U3A adopts model to be the amplifier of AS358M-E1;
Preferably, the resistance of described resistance R12 is 300K Ω; The resistance of described resistance R14 is 100K Ω; The resistance of described resistance R13 is 200 Ω;
Preferably, the capacitance of described electric capacity C17 is 1uF, and voltage is 16V; The capacitance of described electric capacity C95 is 100nF; The capacitance of described electric capacity C96 is 10uF, and voltage is 25V; The capacitance of described electric capacity C18 is 1MF;
As shown in figure 15, described CC circuit comprises amplifier U4A; Resistance R15/R16/R19/R20/R22/R23, electric capacity C19/C20/C22/C23;
The one pin access+12V voltage of described resistance R15; Another pin access CC1 signal of described resistance R15; Another pin of described resistance R15 is in parallel with a pin of described resistance R20; Another pin of described resistance R20 is connected with 3 pin of described amplifier U4A respectively with after a pin parallel connection of the pin of described resistance R22, electric capacity C23; Ground connection after another pin of described resistance R22 is in parallel with another pin of described electric capacity C23; The one pin access+12V voltage of described resistance R16; Another pin of described resistance R16 is connected with a pin of 2 pin of described amplifier U4A, described resistance R23, a pin of described electric capacity C22 respectively; Ground connection after another pin of described resistance R23 is in parallel with another pin of described electric capacity C22;
The 8 pin access+12V voltages of described amplifier U4A; The 4 pin ground connection of described amplifier U4A; 1 pin of described amplifier U4A is connected with a pin of described resistance R19,64 pin of described CPU treater U1 respectively; Another pin access 3.3V voltage of described resistance R19;
One pin of described electric capacity C19 8 pin that afterwards access amplifier U4A in parallel with a pin of electric capacity C20; Ground connection after another pin of described electric capacity C19 is in parallel with another pin of electric capacity C20;
Preferably, described amplifier U4A adopts model to be the amplifier of LM2903D;
Preferably, the resistance of described resistance R15 is 12K Ω; The resistance of described resistance R20 is 300K Ω; The resistance of described resistance R22 is 100K Ω; The resistance of described resistance R16 is 47K Ω; The resistance of described resistance R23 is 10K Ω; The resistance of described resistance R19 is 3.3K Ω;
Preferably, the capacitance of described electric capacity C23 is 1000pF; The capacitance of described electric capacity C19, C22 is 100nF; The capacitance of described electric capacity C20 is 10uF, and voltage is 25V;
As shown in figure 16, described electronic lock circuit comprises electronic lock control interface K1, transistor D9/D8, aerotron Q4/Q5, thyristor Q6, resistance R46/R47/R53/R54/R55/R56, electric capacity C46/C44;
One pin of described resistance R46 is connected with 65 pin of described CPU treater U1; Another pin of described resistance R46 is connected with the base stage B of described aerotron Q4 with after a pin parallel connection of described resistance R47; Another pin of described resistance R47 is connected with the emitter E of described aerotron Q4; The emitter E ground connection of described aerotron Q4; The collecting electrode C of described aerotron Q4 is connected with 1 pin of described transistor D9,2 pin; The collecting electrode C of described aerotron Q4 is also connected with 8 pin of described electronic lock control interface K1; 3 pin of described transistor D9 are connected with 1 pin of described electronic lock control interface K1; The 1 pin access+12V voltage of described electronic lock control interface K1; 6 pin of described electronic lock control interface K1 are connected with a pin of described transistor D8; 6 pin of described electronic lock control interface K1 export E-LOCK_B signal; 3 pin of described electronic lock control interface K1 are connected with another pin of described transistor D8; 3 pin of described electronic lock control interface K1 export E-LOCK_A signal; 7 pin of described electronic lock control interface K1 realize the signal output of both direction, side's input+12V voltage, and the opposing party exports E-LOCK1 signal; 2 pin of described electronic lock control interface K1 realize the signal output of both direction, and a side exports E-LOCK1 signal, the opposing party's input+12V voltage;
The one pin access+12V voltage of described electric capacity C44, another pin ground connection;
One pin of described resistance R53 is connected with 7 pin of described electronic lock control interface K1,2 pin with after a pin parallel connection of electric capacity C46; Another pin of described resistance R53 is connected with the base stage B of described aerotron Q5 with after a pin parallel connection of described resistance R54; Ground connection after another pin of described resistance R54 is in parallel with another pin of electric capacity C46; The emitter E of described aerotron Q5 is connected with 63 pin of described CPU treater U1, a pin of described resistance R56 respectively; Another pin ground connection of described resistance R56;
One pin of described resistance R55 is connected with the grid G of described thyristor Q6; The grid G of described thyristor Q6 is connected with 59 pin of described CPU treater U1; Another pin of described resistance R55 is connected with the source S of described thyristor Q6; The source S ground connection of described thyristor Q6; The drain D of described thyristor Q6 is connected with 7 pin of described electronic lock control interface K1,2 pin;
Preferably, described electronic lock control interface K1 adopts model to be the electronic lock of HFD4/12;
Preferably, described transistor D9 adopts model to be the transistor of BAV70LTIG;
Preferably, described transistor D8 adopts model to be the transistor of J15CA;
Preferably, described thyristor Q6 adopts model to be the thyristor of Si2312CDS;
Preferably, described aerotron Q4/Q5 all adopts model to be the aerotron of MMBT4401LT1;
Preferably, the resistance of described resistance R46/R47/R54/R55 is 10K Ω; The resistance of described resistance R53/R56 is 2K Ω;
Preferably, the capacitance of described electric capacity C46 is 1000pF; The capacitance of described electric capacity C44 is 100nF;
To be that charge cable is antitheft serve key role to described electronic lock controlling functions;
In the present invention, described electronic lock circuit realizes the lock function of charging gun in process of charging by its inner electronic lock control interface K1 arranged;
As shown in figure 17, described indicator light circuit comprises red light indicating circuit, amber light indicating circuit, green light indicating circuit, Wiring port circuit;
Described Wiring port circuit comprises Wiring port J9, electric capacity C49; One pin of described electric capacity C49 is connected with 1 pin of described Wiring port J9; Another pin ground connection of described electric capacity C49; The 1 pin access+5V voltage of described Wiring port J9;
Preferably, the capacitance of described electric capacity C46 is 10uF, and voltage is 25V;
Preferably, the specification of described Wiring port J9 is 2.5mm-4;
Described red light indicating circuit comprises resistance R59/R60, aerotron Q7; One pin of described resistance R59 is connected with 98 pin of described CPU treater U1; Another pin of described resistance R59 is connected with the base stage B of described aerotron Q7 with after a pin parallel connection of described resistance R60; Another pin of described resistance R60 is connected with the emitter E of described aerotron Q7; The emitter E ground connection of described aerotron Q7; The collecting electrode C of described aerotron Q7 is connected with 2 pin of described Wiring port J9;
Described amber light indicating circuit comprises resistance R62/R63, aerotron Q8; One pin of described resistance R62 is connected with 96 pin of described CPU treater U1; Another pin of described resistance R62 is connected with the base stage B of described aerotron Q8 with after a pin parallel connection of described resistance R63; Another pin of described resistance R63 is connected with the emitter E of described aerotron Q8; The emitter E ground connection of described aerotron Q8; The collecting electrode C of described aerotron Q8 is connected with 4 pin of described Wiring port J9;
Described green light indicating circuit comprises resistance R64/R65, aerotron Q9; One pin of described resistance R64 is connected with 97 pin of described CPU treater U1; Another pin of described resistance R64 is connected with the base stage B of described aerotron Q9 with after a pin parallel connection of described resistance R65; Another pin of described resistance R65 is connected with the emitter E of described aerotron Q9; The emitter E ground connection of described aerotron Q9; The collecting electrode C of described aerotron Q9 is connected with 3 pin of described Wiring port J9;
Preferably, described aerotron Q7, Q8, Q9 all adopt model to be the aerotron of MMBT4401LT1;
Preferably, the resistance of described resistance R63, R60, R65 is 10K Ω; The resistance of described resistance R59, R62, R64 is 1K Ω;
The state of described indicator lamp indicating equipment and charging;
Further, the circuit structure of described background communication interface circuit is identical with described RFID card reader circuit, therefore is not repeated at this; Undertaken coming alternately by serial interface and external equipment backstage; Can realize CAN communication, RS485 communicates, and GPRS communicates, and ethernet communication can provide various ways to communicate with backstage;
The present invention mainly can realize following several function:
One, identity recognition function: (1) identity recognition function one: CPU reads special rfid card sheet by control card reader and opens identification user identity; (2) identity recognition function two: CPU is by reading the password of input through keyboard, with password identification user identity; (3), identity recognition function three: CPU carries out identification user identity by stake end read-out 2 D code information and mobile phone terminal APP application program; (4) identity recognition function five: CPU can wait other identifying schemes by carrying out that communication carries out that binding identifies with car;
Two, reservation starts charge function: (1) reservation startup charge function one: CPU is manually arranged by man-machine interface preengages run up time; (2) reservation startup charge function two: CPU carries out identification user identity by stake end read-out 2 D code information and mobile phone terminal APP application program and preengages run up time;
Three, charging protection function: (1) charges basic defencive function: CPU by voltage, and the testing circuits such as electric current can try to there is overvoltage protection in existing process of charging, overcurrent protection, under-voltage protection, earth leakage protective, short-circuit protection, lightning protection; (2) the temperature sensing circuit examination existing interface overheat protector of defencive function: CPU by charge connector connecting interface place is expanded in charging; This defencive function is the function of current charging equipment disappearance, is also the function be badly in need of, the potential safety hazard that existing products in markets causes after often exposing this function of disappearance;
Four, charging gun anti-theft feature: charging pile is after startup charging, control electronic lock by CPU and electronic lock driving circuit and pin stake end charging gun head, reach anti-theft feature, this anti-theft feature is the function of current charging equipment disappearance, also be the function be badly in need of, existing products in markets often exposes the disappearance charging interruption that causes of this function and cable Loss;
Five, background communication function: charging pile possesses multiple interfaces and communicates with background control system, mainly comprises CAN interface, RS485 interface, GPRS interface, Ethernet interface; Above interface can be chosen any one kind of them use according to different occasion.After communicating with backstage, the position of charging pile can be monitored according to embody rule, the information such as state, also can control the start and stop of charging pile, issue the actions such as parameter;
Six, parameter and record of charging and this hold function of process of charging data: charging pile possesses this locality and extends out EEPROM and this locality extends out FLASH, can store the parameter of some necessity, can preserve the transaction record of some, the records such as Black List;
Seven, remote upgrade function is possessed: charging pile possesses long-range self-auto-update function;
Eight, Power auto-adjustment function: in conjunction with overheat protector function, charging pile possesses Power auto-adjustment function, and when charging inlet temperature reaches reduction power early warning value, charging pile reduces the power stage controlling to guide automatically, plays a protective role.Charging pile also accepts the Variable power instruction on backstage and regulates simultaneously;
Nine, guiding function is controlled: charging pile possesses and can the control guiding function of most of main flow electronlmobil outward mate with state, through the participation of software adjustment and interface convertor, automatically the Electric Vehicle's Alternating interface of domestic Electric Vehicle's Alternating interface and Europe superscript and American Standard can be identified, adaptable;
Specific works flow process of the present invention: the concrete state of its work is as shown in workflow Figure 18, flow process Figure 19, flow process Figure 20, flow process Figure 21, flow process Figure 22; Whether whether CPU controls card reader and carries out the identification of user's rfid card sheet, then detect charging cable and connect, communicate normally with car end, is then selected the mode of time and the charging started by user; And then confirmation of swiping the card, card mode is set to state in charging by charging pile afterwards, locks charging plug simultaneously, starts charging; In whole process, various guard signal is detecting always, if run into fault or alarm, stops charging immediately, after fault or alarm are removed, continue charging; If user needs complete charge in advance, or automobile is full of automatically, and charging pile judges to be full of enough, and user terminates to stop charging waiting for, user reuses rfid card sheet, and recharged card recovering state, by deduction charging expense, is become normal condition by charging pile;
What the present invention will set forth might not realize according to flow process above and configuration, but can carry out necessary combination according to different customer demand;
The function that the present invention is most crucial: possess automobile interface Auto-matching function, possess identity recognition function, possess reservation function, possess temperature protection function, possess charge cable anti-theft feature, possess flexible configuration function;
The product that the present invention produces has the following advantages: (1), can carry out Auto-matching with the automobile of domestic and international same-interface; (2) different charging modes is possessed: automatically, regularly, determine expense; (3), possess local reservation charge function, user can be allowed to select to charge during electricity consumption paddy, power cost saving; (4), multiple identity recognition function is possessed: namely insert and namely fill mode, mode of swiping the card, input pin mode, personality card mode, Bluetooth of mobile phone mode, backstage remote controlled manner.These modes can select one or more, can flexible configuration; (5) man-machine interface possesses card reader, read-out, keyboard, indicator lamp, and these configurations can combination in any, and panel can customize arbitrarily; Casing can adapt to the demand of client not of the same race; (6), defencive function is complete: overvoltage protection, under-voltage protection, overcurrent protection, overheat protector, over-charge protective.Particularly charging inlet place possesses overheat protector, can eliminate safe hidden trouble; (7), metering and billing function; (8), system automatically and manual test function; (9), the inquiry of historical data function; (10), with background communication function;
The present invention is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection scope of the present invention.
Claims (10)
1. for an intelligent control system for electric vehicle alternating-current charging pile, it is characterized in that: comprise CPU disposal system, scram button circuit, electronic lock circuit, auxiliary power circuit, LCD display, keyboard circuit, unearthed testing circuit, temperature sensor circuit, RFID card reader circuit, memory circuit, voltage/current testing circuit, meter circuit, background communication interface circuit, output circuit, control pilot circuit and indicator light circuit; Wherein, described CPU disposal system, for realizing the control of the operation of whole equipment and process of charging; Described scram button circuit, for realizing the control interrupted of in emergency circumstances charging; Described electronic lock circuit, for realizing the locking of charging gun in process of charging; Described auxiliary power circuit, for realizing the conversion of+5V to+3.3V, provides operating voltage to CPU disposal system; Described LCD display circuit, for realizing the display of facility information and charge information; Described keyboard circuit, for realizing information input when user carries out man-machine interaction; Described unearthed testing circuit, for realizing the detection of equipment ground, unearthed two states; Described temperature sensor circuit, for realizing the temperature detection at charging inlet place; Described RFID card reader circuit, for realizing the identification of user identity; Described memory circuit, for realizing the storage of system parameter, transaction record and upgrade file; Described voltage/current testing circuit, for realizing the monitoring whether in normal range of the voltage of equipment, electric current; Described meter circuit, for realizing the metering of Different periods charge capacity; Described background communication interface circuit, for realizing connection and the communication of equipment and background communication system; Described output circuit, for realizing the output of peripheral unit control; Described control pilot circuit, shakes hands and information communication for the interface realized between charging pile and car; Described indicator light circuit, for realizing the display of different conditions signal;
CPU treater U1 is provided with in described CPU disposal system; 35 pin of described CPU treater U1 are connected with described scram button circuit; 55 pin of described CPU treater U1 are connected with described auxiliary power circuit; 2 ~ 5 pin, 15 ~ 18 pin of described CPU treater U1 are connected with described keyboard circuit; 47 pin of described CPU treater U1 are connected with described unearthed testing circuit; 24 pin of described CPU treater U1 are connected with described temperature sensor circuit; 78 pin of described CPU treater U1,79 pin, 25 pin, 26 pin are connected with described RFID card reader circuit, background communication circuit; 91 pin of described CPU treater U1 are connected with described memory circuit; 51 ~ 54 pin, 44 ~ 46 pin of described CPU treater U1 are connected with described voltage/current testing circuit; 67 ~ 69 pin of described CPU treater U1 are connected with described meter circuit; 31 pin of described CPU treater U1 are connected with described output circuit; 30 pin of described CPU treater U1,36 pin, 56 pin, 64 pin are connected with described control pilot circuit; 59 pin of described CPU treater U1,65 pin, 63 pin are connected with described electronic lock circuit; 96 ~ 98 pin of described CPU treater U1 are connected with described indicator light circuit; 58 pin of described CPU treater U1,60 ~ 62 pin, 81 ~ 82 pin, 85 ~ 86 pin, 88 pin, 38 ~ 41 pin are connected with described LCD display;
Described CPU treater U1 inside is integrated with PWM waveform generator, exports PWM waveform by 32 pin of described CPU treater U1.
2. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, is characterized in that: be provided with stabilivolt U3 in described auxiliary power circuit; + 3.3V voltage is become to export+5V the voltage transformation of input by this stabilivolt U3.
3. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, it is characterized in that: in described temperature sensor circuit, be provided with thermally dependent resistor N1, detect temperature traverse by this thermally dependent resistor N1, calculate temperature value by electric signal.
4. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, is characterized in that: be provided with card reader communication chip U6, Wiring port J5 in described RFID card reader circuit; Can realize communicating with RFID with the cooperation of Wiring port J5 by card reader communication chip U6, realize user identity identification function; The circuit structure of described background communication interface circuit is identical with described RFID card reader circuit.
5. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, it is characterized in that: in described meter circuit, be provided with ammeter communication chip U8, by this ammeter communication chip U8, achieve and communicated with outside ammeter by RS485 interface, obtain accurate-metering charging valtage, charging current, charge capacity.
6. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, it is characterized in that: in described voltage/current testing circuit, be provided with electric energy computation chip U19, accurately detected by this electric energy computation chip U19 and voltage, current value detected by recording.
7. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, is characterized in that: be provided with 4x4 matrix keyboard in described keyboard circuit, totally 16 road buttons, can realize information input function when user carries out man-machine interaction.
8. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, it is characterized in that: in described electronic lock circuit, be provided with electronic lock control interface K1, realized the lock function of charging gun in process of charging by this electronic lock lock control interface K1.
9. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, is characterized in that: described memory circuit comprises expansion EEPROM and FLASH memory circuit.
10. a kind of intelligent control system for electric vehicle alternating-current charging pile according to claim 1, is characterized in that: described control pilot circuit comprises CP circuit and CC circuit.
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871015A (en) * | 2016-05-07 | 2016-08-17 | 罗文凤 | Alternating-current charging pile |
| CN105978062A (en) * | 2016-05-07 | 2016-09-28 | 罗文凤 | Full function testing device for AC charging pile |
| CN106285220A (en) * | 2016-08-24 | 2017-01-04 | 宁波三星智能电气有限公司 | A kind of charging pile electronic lock drive circuit |
| CN106274527A (en) * | 2016-08-26 | 2017-01-04 | 重庆长安汽车股份有限公司 | Electric vehicle, entire car controller and charging socket electronic lock control device and method |
| CN106314176A (en) * | 2016-08-31 | 2017-01-11 | 天津市鸿远电气股份有限公司 | Alternating current charging pile for new energy automobile |
| CN106451398A (en) * | 2016-12-01 | 2017-02-22 | 上海鼎充新能源技术有限公司 | Control circuit for electronic lock of electric car charging gun |
| CN106515472A (en) * | 2016-09-27 | 2017-03-22 | 宁波三星智能电气有限公司 | Control and guidance system used for alternating current charging pile for electric vehicles |
| CN106527290A (en) * | 2016-12-23 | 2017-03-22 | 惠州市丝鹭新能源科技有限公司 | Electric automobile AC charging pile control board |
| CN106541847A (en) * | 2016-12-09 | 2017-03-29 | 惠州市丝鹭新能源科技有限公司 | A kind of electric automobile direct current integrated charger panel |
| CN106547243A (en) * | 2017-01-10 | 2017-03-29 | 湖北巴东博宇工贸有限公司 | Alternating-current charging pile controls panel control system |
| CN106585407A (en) * | 2016-12-09 | 2017-04-26 | 惠州市丝鹭新能源科技有限公司 | Highly-integrated control board for alternating-current charging piles for electric vehicle |
| CN106585416A (en) * | 2016-12-29 | 2017-04-26 | 江苏春兰清洁能源研究院有限公司 | Alternating current charging signal detection confirming to Guobiao standards and control device for electronic lock of vehicle charging socket |
| CN106882068A (en) * | 2017-03-08 | 2017-06-23 | 广州车电网新能源有限公司 | The electric automobile automatic recognition system and method for a kind of alternating-current charging pile |
| CN106915262A (en) * | 2016-12-08 | 2017-07-04 | 江西共青城汉能薄膜太阳能有限公司 | A kind of new-energy automobile charging system |
| CN107306038A (en) * | 2016-04-21 | 2017-10-31 | 鸿富锦精密工业（深圳）有限公司 | Intelligent charging spot, vehicle condition system for prompting and vehicle condition based reminding method |
| CN107310418A (en) * | 2017-07-18 | 2017-11-03 | 嘉兴市恒创电力设备有限公司 | Integral type ammeter type charging pile |
| CN107424247A (en) * | 2017-04-12 | 2017-12-01 | 深圳好多银科技有限公司 | Retail management method and its intelligent cabinet lock of luxurious ornaments jewelry |
| CN107650696A (en) * | 2017-08-16 | 2018-02-02 | 芜湖恒天易开软件科技股份有限公司 | National standard charging pile |
| CN108693395A (en) * | 2018-03-23 | 2018-10-23 | 淮阴师范学院 | A kind of distributing alternating-current charging pile monitoring system based on WSN |
| CN109525238A (en) * | 2018-12-28 | 2019-03-26 | 数源科技股份有限公司 | The electrical isolation circuit of intelligent charge CC1 signal detection |
| CN109760542A (en) * | 2018-12-24 | 2019-05-17 | 长园深瑞继保自动化有限公司 | charging pile control method and controller thereof |
| CN110422073A (en) * | 2019-08-16 | 2019-11-08 | 平湖新纳通信技术有限公司 | Intelligent charge detection device and its method |
| CN113119786A (en) * | 2019-12-30 | 2021-07-16 | 北京新能源汽车股份有限公司 | Charging control system and charging control method |
| CN113415200A (en) * | 2021-02-26 | 2021-09-21 | 长城汽车股份有限公司 | Vehicle charging control method and device, electronic equipment and vehicle |
| CN118061838A (en) * | 2024-04-17 | 2024-05-24 | 广东星云开物科技股份有限公司 | Control method, equipment and storage medium for electric vehicle sharing charging pile |
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Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107306038A (en) * | 2016-04-21 | 2017-10-31 | 鸿富锦精密工业（深圳）有限公司 | Intelligent charging spot, vehicle condition system for prompting and vehicle condition based reminding method |
| CN105978062A (en) * | 2016-05-07 | 2016-09-28 | 罗文凤 | Full function testing device for AC charging pile |
| CN105978062B (en) * | 2016-05-07 | 2018-08-10 | 浙江万胜智能科技股份有限公司 | A kind of global function test device of alternating-current charging pile |
| CN105871015B (en) * | 2016-05-07 | 2018-05-15 | 浙江中新电力发展集团有限公司萧山科技分公司 | A kind of alternating-current charging pile |
| CN105871015A (en) * | 2016-05-07 | 2016-08-17 | 罗文凤 | Alternating-current charging pile |
| CN106285220A (en) * | 2016-08-24 | 2017-01-04 | 宁波三星智能电气有限公司 | A kind of charging pile electronic lock drive circuit |
| CN106274527A (en) * | 2016-08-26 | 2017-01-04 | 重庆长安汽车股份有限公司 | Electric vehicle, entire car controller and charging socket electronic lock control device and method |
| CN106314176A (en) * | 2016-08-31 | 2017-01-11 | 天津市鸿远电气股份有限公司 | Alternating current charging pile for new energy automobile |
| CN106515472A (en) * | 2016-09-27 | 2017-03-22 | 宁波三星智能电气有限公司 | Control and guidance system used for alternating current charging pile for electric vehicles |
| CN106451398A (en) * | 2016-12-01 | 2017-02-22 | 上海鼎充新能源技术有限公司 | Control circuit for electronic lock of electric car charging gun |
| CN106451398B (en) * | 2016-12-01 | 2018-09-28 | 上海鼎充新能源技术有限公司 | A kind of control circuit of electric vehicle charging gun electronic lock |
| CN106915262A (en) * | 2016-12-08 | 2017-07-04 | 江西共青城汉能薄膜太阳能有限公司 | A kind of new-energy automobile charging system |
| CN106541847A (en) * | 2016-12-09 | 2017-03-29 | 惠州市丝鹭新能源科技有限公司 | A kind of electric automobile direct current integrated charger panel |
| CN106585407A (en) * | 2016-12-09 | 2017-04-26 | 惠州市丝鹭新能源科技有限公司 | Highly-integrated control board for alternating-current charging piles for electric vehicle |
| CN106527290A (en) * | 2016-12-23 | 2017-03-22 | 惠州市丝鹭新能源科技有限公司 | Electric automobile AC charging pile control board |
| CN106585416A (en) * | 2016-12-29 | 2017-04-26 | 江苏春兰清洁能源研究院有限公司 | Alternating current charging signal detection confirming to Guobiao standards and control device for electronic lock of vehicle charging socket |
| CN106547243A (en) * | 2017-01-10 | 2017-03-29 | 湖北巴东博宇工贸有限公司 | Alternating-current charging pile controls panel control system |
| CN106882068A (en) * | 2017-03-08 | 2017-06-23 | 广州车电网新能源有限公司 | The electric automobile automatic recognition system and method for a kind of alternating-current charging pile |
| CN107424247A (en) * | 2017-04-12 | 2017-12-01 | 深圳好多银科技有限公司 | Retail management method and its intelligent cabinet lock of luxurious ornaments jewelry |
| CN107310418A (en) * | 2017-07-18 | 2017-11-03 | 嘉兴市恒创电力设备有限公司 | Integral type ammeter type charging pile |
| CN107650696A (en) * | 2017-08-16 | 2018-02-02 | 芜湖恒天易开软件科技股份有限公司 | National standard charging pile |
| CN108693395A (en) * | 2018-03-23 | 2018-10-23 | 淮阴师范学院 | A kind of distributing alternating-current charging pile monitoring system based on WSN |
| CN109760542B (en) * | 2018-12-24 | 2020-09-29 | 长园深瑞继保自动化有限公司 | Charging pile control method and controller thereof |
| CN109760542A (en) * | 2018-12-24 | 2019-05-17 | 长园深瑞继保自动化有限公司 | charging pile control method and controller thereof |
| CN109525238A (en) * | 2018-12-28 | 2019-03-26 | 数源科技股份有限公司 | The electrical isolation circuit of intelligent charge CC1 signal detection |
| CN109525238B (en) * | 2018-12-28 | 2024-02-20 | 数源科技股份有限公司 | Electrical isolation circuit for intelligent charging CC1 signal detection |
| CN110422073A (en) * | 2019-08-16 | 2019-11-08 | 平湖新纳通信技术有限公司 | Intelligent charge detection device and its method |
| CN113119786A (en) * | 2019-12-30 | 2021-07-16 | 北京新能源汽车股份有限公司 | Charging control system and charging control method |
| CN113119786B (en) * | 2019-12-30 | 2024-05-24 | 北京新能源汽车股份有限公司 | Charging control system and charging control method |
| CN113415200A (en) * | 2021-02-26 | 2021-09-21 | 长城汽车股份有限公司 | Vehicle charging control method and device, electronic equipment and vehicle |
| CN118061838A (en) * | 2024-04-17 | 2024-05-24 | 广东星云开物科技股份有限公司 | Control method, equipment and storage medium for electric vehicle sharing charging pile |
| CN118061838B (en) * | 2024-04-17 | 2024-07-05 | 广东星云开物科技股份有限公司 | Control method, equipment and storage medium for electric vehicle sharing charging pile |
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