CN109130942A - Charging pile for electric vehicle remote control device for mobile phone and its control method based on FPGA - Google Patents
Charging pile for electric vehicle remote control device for mobile phone and its control method based on FPGA Download PDFInfo
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/12—Electric charging stations
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The invention discloses a kind of charging pile for electric vehicle remote control device for mobile phone and its control method based on FPGA, including intelligent mobile phone terminal, WIFI interface unit, voltage detection unit, current detecting unit, charge circuit control unit, charging pile for electric vehicle and fpga chip control unit；The present invention can be inputted the working method of preset charged expense and charging pile by smart phone and combine the charging voltage and current data detected, WIFI interface unit is sent instructions to through mobile phone WIFI, feeding fpga chip control unit will be instructed to remove control charge circuit control unit and charging pile for electric vehicle again, voltage detection unit and the collected current voltage of current detecting unit and current data, smart phone is transferred to by WIFI interface unit through fpga chip control unit, the remaining charging time is completed by the CPU in mobile phone, expense, mileage, the calculating of electricity, and it is shown by display screen, achieve the purpose that charging pile convenient to use.
Description
Technical field
The present invention relates to charging post systems, and in particular to a kind of charging pile for electric vehicle mobile phone remote dress based on FPGA
It sets and its control method.
Background technique
Automobile has become the vehicles indispensable in daily life, but its environmental pollution and problems of energy consumption are increasingly
It is prominent, make new-energy automobile become the new developing direction of auto industry, especially electric car it is low by use cost, without dirt
The advantages of dye, low noise, is just supported energetically by government and rate develops.
Electric car replacing oil by electricity is able to achieve " no pollution ", " zero-emission ", is the main direction of development of new-energy automobile.
According to the newest report of International Energy Agency (IEA), it is expected that global electric car ownership reached record-breaking 3,100,000 in 2017,
And the sales volume that 21,500,000 will be reached before the year two thousand thirty；Wherein China account for the 40% of last year whole world share, be the whole world most
Big electric automobile market.Since the cruising ability of current electric car is limited, charging pile lazy weight, charging pile is generallyd use
Centrostigma installation, position fixes, other cannot be installed by common roadside by oneself and provide charging service and filled with increasing roadside
Anywhere the closeness of electric stake selects any charge mode to carry out any amount of money by electronic car owner by mobile phone remote
Charging, so that the popularization and use to electric car bring inconvenience.
Summary of the invention
For above-mentioned deficiency in the prior art, a kind of charging pile for electric vehicle mobile phone based on FPGA provided by the invention is distant
Control device and its control method solve the problems, such as that charging pile can not remote control operation.
In order to achieve the above object of the invention, a kind of the technical solution adopted by the present invention are as follows: electric vehicle charging based on FPGA
Stake remote control device for mobile phone, including intelligent mobile phone terminal, WIFI interface unit, voltage detection unit, current detecting unit, charge back
Road control unit, charging pile for electric vehicle and fpga chip control unit are integrated with electric current inspection in the fpga chip control unit
Survey interface module, voltage detecting interface module, RS232 sending module, RS232 receiving module, time-sequence control module and charging control
Interface module processed, the intelligent mobile phone terminal is carried out wireless communication with 802.11x agreement with WIFI interface unit and is connect, described
WIFI interface unit is connect with RS232 sending module and RS232 receiving module respectively in a wired fashion by RS232 agreement, institute
Voltage detecting interface module to be stated to connect with voltage detection unit, the current detecting interface module is connect with current detecting unit,
The charge control interface module is connect with charging pile for electric vehicle with charge circuit control unit, the time-sequence control module point
It is not connected with RS232 sending module, RS232 receiving module, voltage detecting interface module and current detecting interface module.
Further: the current detecting unit includes sensing resistor RSENSE, amplifying circuit resistance R1, R2, R3, R4, R5,
Capacitor C1, integrated operational amplifier LM358AD, output resistance R6 and analog-digital conversion ic ADC0832, the sensing resistor
RSENSEIt is connected on the battery charging current signal that sampling is obtained in battery charge circuit, described resistance R1, R2 will be passed respectively
Sensing resistor RSENSEThe battery charging current signal of acquisition is transmitted to the negative-phase input 2 and normal phase input end 3 of LM358AD, puts down
Weighing apparatus one end resistance R3 connects with LM358AD positive input 3, and other end ground connection, the resistance R4, R5, capacitor C1 constitute negative anti-
Current feed circuit, one end of the resistance R4 and one end of capacitor C1 are connect with LM358AD negative input 2, the capacitor C1's
The other end is connect with one end of resistance R5, the other end of the other end of the resistance R5 and resistance R4 with LM358AD output end 1
Connection, the 4 termination power VDD of the integrated operational amplifier LM358AD, 8 ends ground connection, the integrated operational amplifier
The output end 1 of LM358AD is connected by load resistance R6 with the input channel CH0 pin of analog-digital conversion ic ADC0832,
The ADC0832'sEnd connects with the chip selection signal ce_i of FPGA, the end GND ground connection, the end VCC/REF termination power VCC, CLK
The clock drive signals clk_c of FPGA is met, the current sample that DO terminates FPGA inputs chk_i, and DI terminates the current sample of FPGA
The end set_i is arranged in analog-to-digital conversion.
Further: the voltage detection unit includes divider resistance RS1、RS2、RS3, amplifying circuit resistance R7A, R7B,
R8, R9, R10, capacitor C2, integrated operational amplifier LM358AD, output resistance R11, analog-digital conversion ic ADC0832, institute
State divider resistance RS1、RS2、RS3It is attempted by battery charge circuit, resistance R7A is from resistance RS1、RS2Obtain battery charging electricity
Pressure voltage division signal is simultaneously sent to LM358AD negative input 2, and resistance R7B is from resistance RS2、RS3Obtain battery charging voltage point
Pressure signal is simultaneously sent to LM358AD positive input 3, and the one end balance resistance R8 connects with LM358AD positive input 3, another
End ground connection, the resistance R9, R10, capacitor C2 constitute negative-feedback circuit, one end of one end of the resistance R9 and capacitor C2 with
LM358AD negative input 2 connects, and the other end of the capacitor C2 is connect with one end of resistance R10, and the resistance R10's is another
The other end of one end and resistance R9 are connect with LM358AD output end 1, the 4 termination electricity of the integrated operational amplifier LM358AD
The output end 1 of source VDD, 8 ends ground connection, the integrated operational amplifier LM358AD are integrated by load resistance R11 and analog-to-digital conversion
The input channel CH0 of circuit ADC0832 connects, the ADC0832'sEnd connects with the chip selection signal ce_v of FPGA, the end GND
Ground connection, VCC/REF termination power VCC, CLK terminate the clock drive signals clk_c of FPGA, and the voltage sample that CO terminates FPGA is defeated
Enter chk_v, the end set_v is arranged in the voltage sample analog-to-digital conversion that DI terminates FPGA.
Further: the WIFI interface unit includes resistance R14, R15 and WIFI module ESP-12E, the resistance R14
One end connect with the end CH_PD of ESP-12E, the other end and power supply VCC, ESP-12E the end REST and VCCEnd connects, ESP-
The end TXD of 12E connects with the end rxd of the RS232 receiving module in fpga chip control unit, the end RXD of ESP-12E and FPGA
The end txd of RS232 sending module in chip controls unit connects, and the end GPIO15 of ESP-12E is through resistance R15 and ESP-12E
The end GND and ground connect.
Further: the charge circuit control unit includes current-limiting resistance R12, bidirectional triode thyristor chip optocoupler pipe
TLP260J, pipe VT, current-limiting resistance R13, adjustable bias resistance RP, biasing resistor R14, partially installing capacitor C3, two-way triggering two are pushed
Pole pipe VD1 and can silicon symmetrical switch SCR, the mono- termination power V of current-limiting resistance R12CC, the other end through TLP260J 1 to 2
Charge control interface module again through pushing the collector of pipe VT to be grounded to emitter behind end, in the fpga chip control unit
Output end p woffon meets the base stage for pushing pipe VT, 6 ends of the TLP260J and silicon symmetrical switch SCR through current-limiting resistance R13
1 end and one end of the current supply circuit in charging pile for electric vehicle connect, 4 ends of TLP260J through adjustable bias resistance RP with it is two-way
1 end of diac VD1 and one end of biasing resistor R14 connect, and the other end of biasing resistor R14 is through partially installing capacitor C3 and double
Into 2 ends of controllable silicon SCR and charging pile for electric vehicle, the other end of current supply circuit connects, 2 ends of VD1 and the 3 end phases of SCR
It connects.
Further: the RS232 receiving module is connected by rxd with the end TXD of WIFI interface unit ESP-12E, institute
State RS232 sending module and connected by txd with the end RXD of ESP-12E, the voltage detecting interface module by signal ce_v,
Clk_c, chk_v and set_v respectively with voltage signal detection unitThe end CLK, DO and DI connects, the electric current inspection
It surveys interface module and passes through signal ce_i, clkc, chk_i and set_i and current signal detection unitCLK, DO and
The end DI connects, and the charge control interface module is connected by pwoffon with the R13 in charge circuit control unit, passes through letter
Number mdl_au, mdl_kl, mdl_tm and mdl_vi connect with the operating mode control switch in charging pile for electric vehicle, when described
100MHz driving clock clks and reset letter outside sequence control module input terminal clock signal clks, reset signal rst and FPGA
Number rst connects, time-sequence control module output end chkclk and voltage detecting interface module and current detecting interface module input terminal
Chkclk connects, time-sequence control module output end trclk and RS232 receiving module and RS232 sending module input terminal trclk phase
It connects.
A kind of control method of the charging pile for electric vehicle remote control device for mobile phone based on FPGA, which is characterized in that including following
Step:
S1, preset charged expense and charging modes are inputted by intelligent mobile phone terminal, controls the work in charging pile for electric vehicle
Operation mode；
S2, charging voltage and charging current are detected by voltage detection unit and current detecting unit；
S3, remaining charging time, expense, mileage and electricity are carried out according to operating mode, charging voltage and charging current
It calculates；
S4, the calculating of a charge capacity surplus is carried out by the every 5ms of intelligent mobile phone terminal and is refreshed to show, and filling
After power consumption surplus is zero, charge circuit control unit is turned off.
Further: remaining charging time, expense, the calculation method of mileage and electricity in the step S3 are as follows:
The bought total electricity S of amount of money xxvitRemaining charge capacity RxvitCalculation formula are as follows:
Wherein StvitFor the electricity that currently charged a battery, U is battery constant charge voltage, and I is that battery is steady
Determine charging current, TxFor the charging time needed for constant charge, u is the battery momentary charging voltage detected, and i is detected
Battery instantaneous charge current, t are the charged time, and u, i are the function of variable t；
Amount of money x buys the electricity S calculated by total milimeter numberxklRemaining charging milimeter number RxklCalculation formula are as follows:
Wherein StklFor the milimeter number that the electricity that currently charged a battery can be run, coefficient k is kilometer/degree；
Amount of money x buys the electricity S calculated by total charging timextmRemaining charging time number RxtmCalculation formula are as follows:
Wherein SttmFor the duration number currently to have charged a battery, coefficient h is minute/degree；
Amount of money x is bought by automatic S at full chargexauThe remaining charging amount of money number R of calculatingxauCalculation formula are as follows:
Wherein StauFor the amount of money number currently to have charged a battery, factor alpha is member/degree.
The invention has the benefit that
(1) realize that the remote control input of electric vehicle power purchase quantity and electric vehicle are filled using intelligent mobile phone terminal interface operation
The remote control operation of electric stake operating mode；
(2) CPU and plate display interface being equipped with using intelligent mobile phone terminal is calculated and be shown more than charging process and charging
Amount, calculating and display including remaining charging time, expense, mileage, electricity, and issue and stop when surplus uses up charging complete
Charging instruction realizes the real time monitoring to the charging pile course of work；
(3) bidirectional data transfers between WIFI interface unit are carried out by the WIFI function that intelligent mobile phone terminal is equipped with,
It realizes and the remote-wireless data of charging pile is transmitted and controlled；
(4) using great amount of hardware resources possessed by fpga chip, exploitation and WIFI interface unit, voltage detection unit,
Current detecting unit, charge circuit control unit, the interface module of charging pile for electric vehicle, can simplified control circuit design and system
Volume increases system reliability and stability, reduces system cost；
(5) charging pile can be grasped immediately to the real-time monitoring of charging process using voltage detection unit, current detecting unit
Working condition prepare the relevant operation after charging in advance, save the charging time and according to the charge residue known.
Detailed description of the invention
Fig. 1 is a kind of charging pile for electric vehicle remote control device for mobile phone system construction drawing based on FPGA of the present invention；
Fig. 2 is control flow chart of the present invention；
Fig. 3 is the circuit diagram of current detecting unit of the present invention；
Fig. 4 is the circuit diagram of voltage detection unit of the present invention；
Fig. 5 is the circuit diagram of charge circuit control unit of the present invention；
Fig. 6 is the circuit diagram of WIFI interface unit of the present invention；
Fig. 7 is fpga chip control unit top layer of the invention to outer pin distribution map；
Fig. 8 is fpga chip control unit inner function module connection figure of the invention；
Fig. 9 is smart phone operation and display interface figure of the invention.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, a kind of charging pile for electric vehicle remote control device for mobile phone based on FPGA, including intelligent mobile phone terminal,
WIFI interface unit, voltage detection unit, current detecting unit, charge circuit control unit, charging pile for electric vehicle and FPGA core
Piece control unit, be integrated in the fpga chip control unit current detecting interface module, voltage detecting interface module,
RS232 sending module, RS232 receiving module, time-sequence control module and charge control interface module, the intelligent mobile phone terminal with
WIFI interface unit carries out wireless communication connection with 802.11x agreement, and the WIFI interface unit is by RS232 agreement with wired
Mode is connect with RS232 sending module and RS232 receiving module respectively, the voltage detecting interface module and voltage detection unit
Connection, the current detecting interface module are connect with current detecting unit, the charge control interface module and charge circuit control
Unit processed is connect with charging pile for electric vehicle, the time-sequence control module respectively with RS232 sending module, RS232 receiving module,
Voltage detecting interface module is connected with current detecting interface module.
As shown in figure 3, current detecting unit includes sensing resistor RSENSE, amplifying circuit resistance R1, R2, R3, R4, R5, electricity
Hold C1, integrated operational amplifier LM358AD, output resistance R6 and analog-digital conversion ic ADC0832, sensing resistor RSENSEString
It is associated in the battery charging current signal that sampling is obtained in battery charge circuit, resistance R1, R2 are respectively by sensing resistor RSENSE
The battery charging current signal of acquisition is transmitted to the negative-phase input 2 and normal phase input end 3 of LM358AD, balance resistance R3 mono-
End connects with LM358AD positive input 3, and other end ground connection, resistance R4, R5, capacitor C1 constitute negative-feedback circuit, resistance R4's
One end and one end of capacitor C1 are connect with LM358AD negative input 2, and the other end of capacitor C1 and one end of resistance R5 connect
It connects, the other end of resistance R5 and the other end of resistance R4 are connect with LM358AD output end 1, integrated operational amplifier LM358AD
4 termination power VDD, 8 ends ground connection, the output end 1 of integrated operational amplifier LM358AD passes through load resistance R6 and analog-to-digital conversion
The input channel CH0 pin of integrated circuit ADC0832 connects, ADC0832'sEnd connects with the chip selection signal ce_i of FPGA,
The end GND ground connection, VCC/REF termination power VCC, the clock drive signals clk_c, DO that CLK terminates FPGA terminate the electric current of FPGA
The end set_i is arranged in sampling input chk_i, the current sample analog-to-digital conversion that DI terminates FPGA.
As shown in figure 4, the voltage detection unit includes divider resistance RS1、RS2、RS3, amplifying circuit resistance R7A, R7B,
R8, R9, R10, capacitor C2, integrated operational amplifier LM358AD, output resistance R11, analog-digital conversion ic ADC0832, institute
State divider resistance RS1、RS2、RS3It is attempted by battery charge circuit, resistance R7A is from resistance RS1、RS2Obtain battery charging electricity
Pressure voltage division signal is simultaneously sent to LM358AD negative input 2, and resistance R7B is from resistance RS2、RS3Obtain battery charging voltage point
Pressure signal is simultaneously sent to LM358AD positive input 3, and the one end balance resistance R8 connects with LM358AD positive input 3, another
End ground connection, the resistance R9, R10, capacitor C2 constitute negative-feedback circuit, one end of one end of the resistance R9 and capacitor C2 with
LM358AD negative input 2 connects, and the other end of the capacitor C2 is connect with one end of resistance R10, and the resistance R10's is another
The other end of one end and resistance R9 are connect with LM358AD output end 1, the 4 termination electricity of the integrated operational amplifier LM358AD
The output end 1 of source VDD, 8 ends ground connection, the integrated operational amplifier LM358AD are integrated by load resistance R11 and analog-to-digital conversion
The input channel CH0 of circuit ADC0832 connects, the ADC0832'sEnd connects with the chip selection signal ce_v of FPGA, the end GND
Ground connection, VCC/REF termination power VCC, CLK terminate the clock drive signals clk_c of FPGA, and the voltage sample that CO terminates FPGA is defeated
Enter chk_v, the end set_v is arranged in the voltage sample analog-to-digital conversion that DI terminates FPGA.
As shown in figure 5, charge circuit control unit includes current-limiting resistance R12, bidirectional triode thyristor chip optocoupler pipe
TLP260J, pipe VT, current-limiting resistance R13, adjustable bias resistance RP, biasing resistor R14, partially installing capacitor C3, two-way triggering two are pushed
Pole pipe VD1 and can silicon symmetrical switch SCR, mono- termination power V of current-limiting resistance R12CC, the other end is behind 1 to 2 ends of TLP260J
Charge control interface module output end again through pushing the collector of pipe VT to be grounded to emitter, in fpga chip control unit
Pwoffon connects the base stage for pushing pipe VT through current-limiting resistance R13,6 ends of TLP260J and 1 end of silicon symmetrical switch SCR and electronic
One end of current supply circuit in vehicle charging pile connects, and 4 ends of TLP260J are through adjustable bias resistance RP and bidirectional trigger diode
1 end of VD1 and one end of biasing resistor R14 connect, and the other end of biasing resistor R14 is through partially installing capacitor C3 and silicon symmetrical switch
The other end of current supply circuit connects in 2 ends of SCR and charging pile for electric vehicle, and 2 ends of VD1 and 3 ends of SCR connect.Push pipe VT
It can be 9013 or other transistors with similar functions.The high current that SCR can be the models such as BTA100-1200B is two-way
Silicon-controlled, bidirectional triode thyristor chip optocoupler pipe is also possible to the device of the models such as MOC3052, and bidirectional trigger diode can be
The device of the models such as db3.
As shown in fig. 6, WIFI interface unit includes resistance R14, R15 and WIFI module ESP-12E, one end of resistance R14
Connect with the end CH_PD of ESP-12E, the other end and power supply VCC, ESP-12E the end REST and VCCEnd connects, the TXD of ESP-12E
End connects with the end rxd of the RS232 receiving module in fpga chip control unit, and the end RXD of ESP-12E and fpga chip control
The end txd of RS232 sending module in unit connects, the end GPIO15 of ESP-12E through the end GND of resistance R15 and ESP-12E and
Ground connects.WIFI interface unit is also possible to ESP-07, ESP-08 or other modules of other achievable 802.11x, x here
It can be b, n etc..
As shown in fig. 7, fpga chip control unit top layer is to outer pin, for the Vivado of XILINX company of the U.S.
2017.4 development platforms select the fpga chip of Artix-7 model, and the control device obtained with VHDL design is to outer pin.It is logical
It crosses rxd, txd pin to be connected with WIFI interface unit, be detected by ce_v, clk_c, chk_v, set_v and voltage signal single
Member is connected, and is connected by ce_i, clkc, chk_i, set_i with current signal detection unit, passes through pwoffon and charging
Circuit control unit is connected, and is connected by mdl_au, mdl_kl, mdl_tm, mdl_vi with charging pile for electric vehicle.FPGA core
Piece can be Xilinx or Altera or the chip product of other companies.
As shown in Figure 1, RS232 receiving module is connected by rxd with the end TXD of WIFI interface unit ESP-12E, RS232
Sending module is connected by txd with the end RXD of ESP-12E, and voltage detecting interface module passes through signal ce_v, clk_c, chk_v
And set_v respectively with voltage signal detection unitThe end CLK, DO and DI connects, and current detecting interface module passes through
Signal ce_i, clkc, chk_i and set_i and current signal detection unitThe end CLK, DO and DI connects, charging control
Interface module processed is connected by pwoffon with the R13 in charge circuit control unit, and signal mdl_au, mdl_kl, mdl_ are passed through
Tm and mdl_vi connects with the operating mode control switch in charging pile for electric vehicle, time-sequence control module input terminal clock signal
Clks, reset signal rst connect with 100MHz driving clock clks and reset signal rst outside FPGA, and time-sequence control module is defeated
Outlet chkclk connects with voltage detecting interface module and current detecting interface module input terminal chkclk, and time-sequence control module is defeated
Outlet trclk connects with RS232 receiving module and RS232 sending module input terminal trclk.
As shown in figure 8, the clks pin of the time-sequence control module u1 is connect with clks signal, the time-sequence control module
Rst of the rst pin of u1 respectively with rst signal, the rst pin of RS232 receiving module u3, voltage detecting interface module u4 draws
Foot, the rst pin of current detecting interface module u5, the rst pin of RS232 sending module u2 and charge control interface module u6
The connection of rst pin, chkclk of the chkclk pin of the time-sequence control module u1 respectively with voltage detecting interface module u4 draw
Foot is connected with the chkclk pin of current detecting interface module u5, the trclk pin of the time-sequence control module u1 respectively with
The trclk pin of RS232 receiving module u3 is connected with the trclk pin of RS232 sending module u2, RS232 receiving module u3's
Din pin is connect with din signal, rdout [7:0] pin and charge control interface module u6 of the RS232 receiving module u3
The connection of ctrin [7:0] pin, the rwfg of the rwfg pin of the RS232 receiving module u3 and charge control interface module u6
Pin connection, the chk_v pin of the voltage detecting interface module u4 are connect with chk_v signal, the voltage detecting interface mould
The clkc_v pin of block u4 connects clkc_v signal, and the cs_v pin of the voltage detecting interface module u4 connects cs_v signal,
Data_v [7:0] pin of the data_i [7:0] and RS232 sending module u2 of the voltage detecting interface module u4 are connect, institute
The set_v pin for stating voltage detecting interface module u4 is connect with set_v signal, the chk_i of the current detecting interface module u5
Pin is connect with chk_i signal, and the clkc_i pin of the current detecting interface module u5 is connect with clkc_i signal, the electricity
The cs_i pin of stream detection interface module u5 is connect with cs_i signal, the data_v [7:0] of the current detecting interface module u5
Pin is connect with data_i [7:0] pin of RS232 sending module u2, the set_i pin of the current detecting interface module u5
Set_i signal is connected, the txo pin of the RS232 sending module u2 connects txo signal, the charge control interface module u6
Mdl_au pin connect mdl_au signal, the mdl_kl pin of the charge control interface module u6 connects mdl_kl signal,
The mdl_tm pin of the charge control interface module u6 connects mdl_tm signal, the mdl_ of the charge control interface module u6
Vi pin connects mdl_vi signal, and the pwoffon pin of the charge control interface module u6 connects pwoffon signal.
Shown in Fig. 9, for the smart phone operation realized with APP and display interface.
Shown in Fig. 2, a kind of control method of the charging pile for electric vehicle remote control device for mobile phone based on FPGA, which is characterized in that
The following steps are included:
S1, preset charged expense and charging modes are inputted by intelligent mobile phone terminal, controls the work in charging pile for electric vehicle
Operation mode；
S2, charging voltage and charging current are detected by voltage detection unit and current detecting unit；
S3, remaining charging time, expense, mileage and electricity are carried out according to operating mode, charging voltage and charging current
It calculates, calculation formula are as follows:
The bought total electricity S of amount of money xxvitRemaining charge capacity RxvitCalculation formula are as follows:
Wherein StvitFor the electricity that currently charged a battery, U is battery constant charge voltage, and I is that battery is steady
Determine charging current, TxFor the charging time needed for constant charge, u is the battery momentary charging voltage detected, and i is detected
Battery instantaneous charge current, t are the charged time, and u, i are the function of variable t；
Amount of money x buys the electricity S calculated by total milimeter numberxklRemaining charging milimeter number RxklCalculation formula are as follows:
Wherein StklFor the milimeter number that the electricity that currently charged a battery can be run, coefficient k is kilometer/degree；
Amount of money x buys the electricity S calculated by total charging timextmRemaining charging time number RxtmCalculation formula are as follows:
Wherein SttmFor the duration number currently to have charged a battery, coefficient h is minute/degree；
Amount of money x is bought by automatic S at full chargexauThe remaining charging amount of money number R of calculatingxauCalculation formula are as follows:
Wherein StauFor the amount of money number currently to have charged a battery, factor alpha is member/degree.
S4, the calculating of a charge capacity surplus is carried out by the every 5ms of intelligent mobile phone terminal and is refreshed to show, and filling
After power consumption surplus is zero, charge circuit control unit is turned off.
All data are defined as integer in the present invention, and the calculating process of FPGA is integer calculations, therefore in charging progress
In value=practical charge volume/preset charged amount × 100% calculating and assignment procedure, the fractional part of calculated result is given up
It abandons, Systems Theory display error < 1%.
To analyze computational accuracy of the invention and in different modes practical charge volume and the error size for showing charge volume,
Measure and record multiple groups experimental data and be compared with theoretical Value Data, table 1 respectively indicate charge capacity be 10 degree, 17 degree when
Error analysis situation.Test result shows that the display numerical value of charging progress and theoretical values error are consistent with error expected.
Table 1
Claims (8)
1. a kind of charging pile for electric vehicle remote control device for mobile phone based on FPGA, which is characterized in that including intelligent mobile phone terminal, WIFI
Interface unit, voltage detection unit, current detecting unit, charge circuit control unit, charging pile for electric vehicle and fpga chip control
Unit processed is integrated with current detecting interface module, voltage detecting interface module, RS232 hair in the fpga chip control unit
Module, RS232 receiving module, time-sequence control module and charge control interface module are sent, the intelligent mobile phone terminal connects with WIFI
Mouth unit carries out wireless communication connection with 802.11x agreement, and the WIFI interface unit is divided in a wired fashion by RS232 agreement
It not being connect with RS232 sending module and RS232 receiving module, the voltage detecting interface module is connect with voltage detection unit,
The current detecting interface module is connect with current detecting unit, the charge control interface module and charge circuit control unit
It is connect with charging pile for electric vehicle, the time-sequence control module is examined with RS232 sending module, RS232 receiving module, voltage respectively
Interface module is surveyed to be connected with current detecting interface module.
2. the charging pile for electric vehicle remote control device for mobile phone according to claim 1 based on FPGA, which is characterized in that the electricity
Flowing detection unit includes sensing resistor RSENSE, amplifying circuit resistance R1, R2, R3, R4, R5, capacitor C1, integrated operational amplifier
LM358AD, output resistance R6 and analog-digital conversion ic ADC0832, the sensing resistor RSENSEIt is connected on battery charging
The battery charging current signal of sampling is obtained in circuit, described resistance R1, R2 are respectively by sensing resistor RSENSEThe electric power storage of acquisition
Pond charging current signal is transmitted to the negative-phase input 2 and normal phase input end 3 of LM358AD, the one end balance resistance R3 and LM358AD
Positive input 3 connects, other end ground connection, the resistance R4, R5, capacitor C1 composition negative-feedback circuit, and the one of the resistance R4
End and one end of capacitor C1 are connect with LM358AD negative input 2, and the other end of the capacitor C1 and one end of resistance R5 connect
It connects, the other end of the resistance R5 and the other end of resistance R4 are connect with LM358AD output end 1, the integrated computation amplification
The output end 1 of the 4 termination power VDD of device LM358AD, 8 ends ground connection, the integrated operational amplifier LM358AD pass through load electricity
Resistance R6 connects with the input channel CH0 pin of analog-digital conversion ic ADC0832, the ADC0832'sEnd is with FPGA's
Chip selection signal ce_i connects, the end GND ground connection, and VCC/REF termination power VCC, CLK terminate the clock drive signals clk_c of FPGA,
The current sample that DO terminates FPGA inputs chk_i, and the end set_i is arranged in the current sample analog-to-digital conversion that DI terminates FPGA.
3. the charging pile for electric vehicle remote control device for mobile phone according to claim 1 based on FPGA, which is characterized in that the electricity
Pressing detection unit includes divider resistance RS1、RS2、RS3, amplifying circuit resistance R7A, R7B, R8, R9, R10, capacitor C2, integrated computation
Amplifier LM358AD, output resistance R11, analog-digital conversion ic ADC0832, the divider resistance RS1、RS2、RS3It is attempted by
In battery charge circuit, resistance R7A is from resistance RS1、RS2It obtains battery charging voltage voltage division signal and is sent to LM358AD
Negative input 2, resistance R7B is from resistance RS2、RS3It obtains battery charging voltage voltage division signal and is sent to LM358AD forward direction
Input terminal 3, the one end balance resistance R8 connect with LM358AD positive input 3, other end ground connection, the resistance R9, R10, capacitor
C2 constitutes negative-feedback circuit, and one end of the resistance R9 and one end of capacitor C2 are connect with LM358AD negative input 2, institute
The other end for stating capacitor C2 is connect with one end of resistance R10, the other end of the other end of the resistance R10 and resistance R9 with
LM358AD output end 1 connects, the 4 termination power VDD of the integrated operational amplifier LM358AD, 8 ends ground connection, the integrated fortune
The output end 1 for calculating amplifier LM358AD passes through the input channel CH0 of load resistance R11 and analog-digital conversion ic ADC0832
Connect, the ADC0832'sEnd connects with the chip selection signal ce_v of FPGA, the end GND ground connection, VCC/REF termination power VCC,
CLK terminates the clock drive signals clk_c of FPGA, and the voltage sample that CO terminates FPGA inputs chk_v, and DI terminates the voltage of FPGA
It samples analog-to-digital conversion and the end set_v is set.
4. the charging pile for electric vehicle remote control device for mobile phone according to claim 1 based on FPGA, which is characterized in that described
WIFI interface unit includes resistance R14, R15 and WIFI module ESP-12E, one end of the resistance R14 and the CH_ of ESP-12E
The end PD connects, the other end and power supply VCC, ESP-12E the end REST and VCCEnd connects, the end TXD of ESP-12E and fpga chip control
The end rxd of RS232 receiving module in unit processed connects, the end RXD of ESP-12E and the RS232 in fpga chip control unit
The end txd of sending module connects, and the end GPIO15 of ESP-12E connects through resistance R15 with the end GND of ESP-12E and ground.
5. the charging pile for electric vehicle remote control device for mobile phone according to claim 1 based on FPGA, which is characterized in that described to fill
Electrical circuit control unit includes current-limiting resistance R12, bidirectional triode thyristor chip optocoupler pipe TLP260J, pushes pipe VT, current-limiting resistance
R13, adjustable bias resistance RP, biasing resistor R14, partially installing capacitor C3, bidirectional trigger diode VD1 and can silicon symmetrical switch
SCR, the mono- termination power V of current-limiting resistance R12CC, the other end is behind 1 to 2 ends of TLP260J again through pushing the collector of pipe VT
It is grounded to emitter, the charge control interface module output end p woffon in the fpga chip control unit is through current-limiting resistance
R13 connects the base stage for pushing pipe VT, in 6 ends of the TLP260J and 1 end and charging pile for electric vehicle of silicon symmetrical switch SCR
One end of current supply circuit connects, and 4 ends of TLP260J are through 1 end of adjustable bias resistance RP and bidirectional trigger diode VD1 and biasing
One end of resistance R14 connects, and the other end of biasing resistor R14 is through 2 ends of partially installing capacitor C3 and silicon symmetrical switch SCR and electronic
The other end of current supply circuit connects in vehicle charging pile, and 2 ends of VD1 and 3 ends of SCR connect.
6. the charging pile for electric vehicle remote control device for mobile phone according to claim 1 based on FPGA, which is characterized in that described
RS232 receiving module is connected by rxd with the end TXD of WIFI interface unit ESP-12E, and the RS232 sending module passes through txd
Connect with the end RXD of ESP-12E, the voltage detecting interface module passes through signal ce_v, clk_c, chk_v and set_v points
Not with voltage signal detection unitThe end CLK, DO and DI connects, and the current detecting interface module passes through signal ce_
I, clkc, chk_i and set_i and current signal detection unitThe end CLK, DO and DI connects, the charge control
Interface module is connected by pwoffon with the R13 in charge circuit control unit, and signal mdl_au, mdl_kl, mdl_tm are passed through
And mdl_vi connects with the operating mode control switch in charging pile for electric vehicle, the time-sequence control module input terminal clock letter
Number clks, reset signal rst connect with 100MHz driving clock clks and reset signal rst outside FPGA, time-sequence control module
Output end chkclk connects with voltage detecting interface module and current detecting interface module input terminal chkclk, time-sequence control module
Output end trclk connects with RS232 receiving module and RS232 sending module input terminal trclk.
7. a kind of control method of the charging pile for electric vehicle remote control device for mobile phone based on FPGA, which is characterized in that including following step
It is rapid:
S1, preset charged expense and charging modes are inputted by intelligent mobile phone terminal, controls the Working mould in charging pile for electric vehicle
Formula；
S2, charging voltage and charging current are detected by voltage detection unit and current detecting unit；
S3, the calculating that remaining charging time, expense, mileage and electricity are carried out according to operating mode, charging voltage and charging current；
S4, it carries out the calculating of a charge capacity surplus by the every 5ms of intelligent mobile phone terminal and refreshes to show, and in charging electricity
After amount surplus is zero, charge circuit control unit is turned off.
8. the control method of the charging pile for electric vehicle remote control device for mobile phone according to claim 7 based on FPGA, feature
It is, remaining charging time, expense, the calculation method of mileage and electricity in the step S3 are as follows:
The bought total electricity S of amount of money xxvitRemaining charge capacity RxvitCalculation formula are as follows:
Wherein StvitFor the electricity that currently charged a battery, U is battery constant charge voltage, and I is battery constant charge
Electric current, TxFor the charging time needed for constant charge, u is the battery momentary charging voltage detected, and i is the battery detected
Instantaneous charge current, t are the charged time, and u, i are the function of variable t；
Amount of money x buys the electricity S calculated by total milimeter numberxklRemaining charging milimeter number RxklCalculation formula are as follows:
Wherein StklFor the milimeter number that the electricity that currently charged a battery can be run, coefficient k is kilometer/degree；
Amount of money x buys the electricity S calculated by total charging timextmRemaining charging time number RxtmCalculation formula are as follows:
Wherein SttmFor the duration number currently to have charged a battery, coefficient h is minute/degree；
Amount of money x is bought by automatic S at full chargexauThe remaining charging amount of money number R of calculatingxauCalculation formula are as follows:
Wherein StauFor the amount of money number currently to have charged a battery, factor alpha is member/degree.
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