CN205248831U - Electric automobile exchanges intelligent charging stake - Google Patents
Electric automobile exchanges intelligent charging stake Download PDFInfo
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- CN205248831U CN205248831U CN201520913409.2U CN201520913409U CN205248831U CN 205248831 U CN205248831 U CN 205248831U CN 201520913409 U CN201520913409 U CN 201520913409U CN 205248831 U CN205248831 U CN 205248831U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- 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
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an electric automobile exchanges intelligent charging stake, includes: microprocessor unit, microprocessor unit is connected with touching liquid crystal screen unit, receipt printer unit, voice module, operating condition display element, IC -card machine for punching the card unit, WIFI unit, CAN bus unit, input protective circuit breaker, earth leakage protection unit, alternating voltage microprocessor unit 0 unit, microprocessor unit 1 unit, UPS unit and microprocessor unit 2 sensor respectively through its port, still include backup storage battery and reserve working power supply. The utility model discloses utilize microprocessor unit, assist in the technological and energy -conserving magnetic latching relay of leakage detection technique, electric quantity gauge as carrying out equipment such as switch, for electric automobile provides alternating current power supply, jian is complete, flexibility, intelligence, report to the police in an organic whole, is one kind and satisfies the alternating -current charging stake of reliably charging that current smart power grids demand, function are perfect, can realize electric automobile, following development and application prospect are wide.
Description
Technical field
The present invention relates to charging electric vehicle field, particularly a kind of Electric Vehicle's Alternating Intelligent charging spot.
Background technology
Development of EV is the important directions of national new forms of energy strategy, along with the fast development of ev industry, has derived new industry---electric automobile charging pile. Charging pile is being born the important mission that electric energy is provided for electric automobile power battery, and the multi-functional charging equipment of high-quality can effectively be protected battery, monitoring battery duty, and provide the most efficient charging scheme for battery pack. If liken battery to electric automobile heart, charging pile is exactly the powerful guarantee of this health of heart work so. Electric vehicle alternating-current charging pile is that charging electric vehicle is established and modally in each admired one of Infrastructure, is also that electric automobile is realized industrialization and market-oriented important prerequisite. Alternating-current charging pile is that one is arranged on outside electric motor car, be connected with AC network, the charging device of AC power is provided to batteries of electric automobile by Vehicular charger, general its has the functions such as electric quantity metering, charging, communication, control, mainly being installed on the region such as parking lot and residential quarters, is the capital equipment that electric automobile carries out normal charge. Whole electric automobile charging pile industry is also in starting and technology stage of fumbling, and current alternating-current charging pile on the market is all deposited large very large room for improvement from surface structure, electrical design, control mechanism.
Summary of the invention
Technical problem to be solved by this invention is that in prior art, the intelligent degree of alternating-current charging pile for electric automobile is not high, function is complete not; Can not accomplish device interoperability, cannot realize the functions such as the real-time monitoring of client by mobile phone A PP; The data of metering port can not be reacted the electric automobile user electric energy consuming that charges really; Alternating-current charging pile does not have stand-by power supply, after civil power power-off, cannot process the problem of the defects such as charging business.
The object of the present invention is to provide a kind of Electric Vehicle's Alternating Intelligent charging spot, be intended to solve the problem of above-mentioned technological deficiency.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of Electric Vehicle's Alternating Intelligent charging spot system, comprise: microprocessor unit, microprocessor unit is connected with touch LCD screen unit, bill printer unit, voice module, duty display unit, IC-card POS unit, WIFI unit, CAN bus unit, input protection breaker, residual current protective unit, alternating voltage current sampling unit, magnetic latching relay unit, UPS unit and AC-input voltage sensor respectively by its port; Also comprise backup battery and standby working power.
Further: first AC-input voltage outputs to input protection breaker by lightning protection unit.
Further: the AC information of collection is sent to microprocessor unit by AC-input voltage sensor.
Further: residual current protective unit is sent in the output of input protection breaker, residual current protective unit is sent the electric leakage signal detecting into microprocessor unit.
Further: the alternating voltage through residual current protective unit output is sent into A magnetic latching relay unit, and A magnetic latching relay unit is connected with emergency manual button, and microprocessor unit outputs a control signal to A magnetic latching relay unit.
Further: in the time of civil power normal power supply, input ac voltage is exported and sent into alternating voltage current sampling unit through A magnetic latching relay unit, and the signal after sampling is input to electric quantity metering unit; After civil power power-off; export and send into alternating voltage current sampling unit through B magnetic latching relay unit by backup battery, UBS uninterrupted power source; signal after sampling is input to electric quantity metering unit; no matter under normal for civil power like this or civil power abnormal state of affairs, electric quantity metering unit can accurately measure.
Alternating voltage current sampling unit is connected on the input of charging gun, and what measure by electric quantity metering unit is the true and actual power consumption of user, has ensured the authenticity of metering.
Further: electric quantity metering unit and microprocessor unit carry out two-way communication, microprocessor unit reads the storage of electric quantity metering cell data and continuous data is outputed to display screen, bill printer unit, IC-card POS unit and the output of CAN bus unit.
Further: voltage one tunnel of flowing through alternating voltage current sampling unit is input to voltage transformation module, after conversion, output to USB charging accessory power outlet; Another road is input to charging gun, inserts onboard charger of electric car charging socket through charging gun, is accumulator of electric car charging by onboard charger of electric car.
Further: backup battery unit is connected with UPS (uninterrupted power source) input, UPS output is connected with B magnetic latching relay, B magnetic latching relay is connected with alternating voltage current sampling unit, signal after sampling is input to electric quantity metering unit, alternating voltage current sampling unit is connected with charging gun simultaneously, realizes the emergency service after civil power power-off.
Further: backup battery unit is connected with standby working power unit, be connected with standby working power unit by B magnetic latching relay connecting and disconnecting backup battery unit, realize after civil power power-off, Electric Vehicle's Alternating Intelligent charging spot still can keep normal operating conditions, is connected to emergency manual button on B magnetic latching relay.
Further: cell management system of electric automobile gathers accumulator of electric car relevant information, cell management system of electric automobile is connected with microprocessor unit by CAN bus unit.
Further: card using information is input to microprocessor unit by IC-card POS unit.
Further: WIFI unit is connected with microprocessor unit, realize the functions such as the real-time monitoring of client by mobile phone A PP.
Further: CAN bus unit is connected with microprocessor unit, by CAN bus unit and battery of electric vehicle communication; Communicate by letter with charging station center service management platform by CAN bus unit, charging station center service management platform is carried out comprehensive analysis and consult to the data of management and operation, as electric automobile information, battery information, subscriber card information, charging pile information; User's charging accounting management etc.
Further: microprocessor unit is connected with touch LCD screen unit, bill printer unit, voice module, duty display unit, realizes data demonstration, bill printing, voice message and duty and shows.
Compared with prior art, the present invention has following beneficial effect:
Electric Vehicle's Alternating Intelligent charging spot of the present invention, utilizing standby power unit can effectively reduce because utility grid has a power failure causes alternating-current charging pile cannot carry out the situation of normal work, ensure the normal work of alternating-current charging pile charging, reduced the impact on user causing because of power failure.
Electric Vehicle's Alternating Intelligent charging spot of the present invention, can monitor charging data and state, remote opening and complete charge, the functions such as disbursement and sattlement in real time in conjunction with mobile phone A PP user. The complete function of native system, easy to use, saved the charging clearing time, improved the efficiency of charging.
Electric Vehicle's Alternating Intelligent charging spot of the present invention, adopts magnetic latching relay, has power and energy saving, stable performance, volume is little, bearing capacity is large feature, has improved Electric Vehicle's Alternating Intelligent charging spot reliability of operation.
Electric Vehicle's Alternating Intelligent charging spot of the present invention; no matter for civil power under normal or civil power abnormal state of affairs; electric quantity metering unit can accurately measure; and because alternating voltage current sampling unit is connected on the input of charging gun; what measure by electric quantity metering unit is the true and actual power consumption of user, has ensured the authenticity of metering.
Electric Vehicle's Alternating Intelligent charging spot of the present invention, utilize microprocessor unit, aid in detection of electrical leakage technology, electric quantity metering technology and energy-conservation magnetic latching relay be as carrying out the equipment such as switch, for electric automobile provides AC power, Jian is complete, flexibly, intelligence, report to the police in one, be a kind of alternating-current charging pile that meets current intelligent grid demand, perfect in shape and function, can realize the reliable charging of electric automobile, following development and application has a extensive future.
Below in conjunction with accompanying drawing, Electric Vehicle's Alternating Intelligent charging spot of the present invention is done further and described in detail.
Brief description of the drawings
Fig. 1 is the system block diagram of the Electric Vehicle's Alternating Intelligent charging spot that provides of the embodiment of the present invention;
Fig. 2 is the residual current protective unit schematic diagram that the embodiment of the present invention provides;
Fig. 3 is AC sampling and the electric quantity metering circuit theory diagrams that the embodiment of the present invention provides;
Fig. 4: be the input protection breaker schematic diagram that the embodiment of the present invention provides;
Fig. 5: be the magnetic latching relay fundamental diagram that the embodiment of the present invention provides;
Fig. 6: be the microprocessor unit serial ports expansion schematic diagram that the embodiment of the present invention provides;
Fig. 7: be the WIFI serial port module operation principle block diagram that the embodiment of the present invention provides;
Fig. 8: be the USB socket output principle figure that the embodiment of the present invention provides;
Fig. 9: be the standby working power theory diagram that the embodiment of the present invention provides.
Detailed description of the invention
In Fig. 1, first alternating current 220V is input to lightning protection unit 1; suppress transition, the surge etc. in thunder and lightning and electrical network by lightning protection unit; protect Electric Vehicle's Alternating Intelligent charging spot not to be subject to it to disturb, damage; improve charging quality; ensure the stable operation of Electric Vehicle's Alternating Intelligent charging spot; extend the service life of Electric Vehicle's Alternating Intelligent charging spot; reduce fault rate and the maintenance cost of Electric Vehicle's Alternating Intelligent charging spot, reached the double effects to the economize on electricity of Electric Vehicle's Alternating Intelligent charging spot and protection.
Lightning protection unit 1 outputs to input protection breaker 2, and input protection breaker 2 is carried out protection to power circuit and equipment etc., can automatic shutdown circuit in the time that serious overload or short circuit and the fault such as under-voltage occur for they; Residual current protective unit 3 is sent in the output of input protection breaker 2, and earth leakage protective device is to avoid physical electrical shock fire protection casualty accident and electric leakage and the electrical fire causing, the effective measures of electrical equipment damage accident. When the magnitude of voltage of human body contact has exceeded safety value; or the shock current of human body and other are when fault current has exceeded permissible value over the ground; earth leakage protective device can automatic cut-off power, thereby ensures the safety of the person and equipment. it formed together with safe barrier, ensured the security of people's electricity consumptions. Electric leakage processing method of the present invention adopts microprocessor unit 10 real-time sampling electric leakage signals, and selects electric leakage specification and delay time by microprocessor unit 10. Whole electric leakage processing module only needs hardware resource and the one section of electric leakage sampling processing program of 1 ADC of microprocessor unit 10, can realize the detection to system electric leakage state.
A magnetic latching relay unit 4 is sent in residual current protective unit 3 outputs; the voltage of exporting through A magnetic latching relay unit 4 is sent to alternating voltage current sampling unit 5; electric quantity metering unit 11 receives the voltage and current signal gathering from alternating voltage current sampling unit 5, carries out two-way communication after treatment with microprocessor unit 10.
The voltage of exporting through alternating voltage current sampling unit 5 is sent to charging gun 9, and the charge port 20 that charging gun 9 inserts onboard charger of electric car by charging head is charged.
The voltage of exporting through alternating voltage current sampling unit 5 is sent to voltage transformation module 7, voltage transformation module 7 is actual is an AD/DC converter, the AC voltage conversion that it exports alternating voltage current sampling unit 5 is DC voltage, after step-down rectifier filtering, export the pure DC voltage of 5V to USB charging socket 8, can be the chargings such as mobile phone, panel computer, navigator.
The voltage of exporting through alternating voltage current sampling unit 5 is sent to electric quantity metering unit 11, electric quantity metering chip in electric quantity metering unit 11 gathers after voltage, current signal, the analog voltage current signal of collection is carried out digitlization by chip internal ADC converter, internal proprietary energy calculate engine and microprocessor unit 10 communicate, microprocessor unit 10 buries data signal place, finally realizes electric energy accurate measurement charging.
Backup battery unit 24 is as the stand-by power supply after civil power power-off, it is connected on the power supply input side of UPS uninterrupted power source 23, when after civil power power-off, when microprocessor unit 10 scans the pin being connected with AC-input voltage sensor 26 and is low level, microprocessor unit will send to give an order:
1, send immediately enabling signal and make its startup to UPS uninterrupted power source 23;
2, send signal and make its disconnection to A magnetic latching relay 4;
3, send signal to B magnetic latching relay 22, make its a pair of closing of contact, the AC power that UPS uninterrupted power source 23 is exported is sent into electric quantity metering unit 11 through B magnetic latching relay 22, behind electric quantity metering unit 11, send into charging gun 9, charging gun 9 continues onboard charger of electric car to charge by charging head;
4, send signal to B magnetic latching relay 22, make its another to the closing of contact, backup battery 24 is sent into standby working power unit 25 by the another pair of contact output of B magnetic latching relay, and the dc source of being exported by standby working power unit 25 provides direct-current working volts to unit module.
5, send signal to input protection breaker 2, disconnect civil power input channel, ensure device security.
When behind city power recovery, when microprocessor unit 10 scans the pin being connected with AC-input voltage sensor 26 and is high level, microprocessor unit, in a time cycle of time delay, after determining that input line voltage is normal, will send to give an order:
1, sending immediately enabling signal quits work it to UPS uninterrupted power source 23;
2, send signal and make its closure to A magnetic latching relay 4;
3, send signal and to B magnetic latching relay 22, it is disconnected, the passage of blocking-up UPS uninterrupted power source 23, guarantees device security; Disconnect the passage that backup battery 24 outputs to standby working power unit 25 simultaneously.
4, send signal to input protection breaker 2, closed civil power input channel, whole system returns to mains-supplied normal operating conditions.
Microprocessor unit 10 is connected communication with CAN bus unit 18, CAN bus unit 18 is connected with the CAN bus on electric automobile, mainly reads the information such as the battery types, monomer voltage, residual capacity, temperature, alarm of the Vehicular accumulator cell 19 in cell management system of electric automobile 21. In the alternating-current charging pile charging course of work, Vehicular charger is monitored battery real time data and state by battery management system (BMS), and according to corresponding charging control algolithm management charging process; Alternating-current charging pile, according to grid charging management expectancy, carries out adjustment to a certain degree by communicating by letter with Vehicular charger to charged state and charge parameter, thereby realizes charging in order; CAN bus unit 18 is realized and being communicated by letter with charging station center service management platform upper managing computer simultaneously, the information of charging pile is sent to charging station center service management platform upper managing computer, so that the data analysis that background management system is uploaded charging pile, processing, store and management, realize the centralized management of charging station center service management platform to each charging pile.
Microprocessor unit 10 is connected with touch LCD screen unit 12, one: the information that user need to be known is such as charging current, cell voltage, charging interval, charge power etc. are shown; Its two user is shielded unit 12 by touch LCD and is operated, and can select charge mode (fill, fill, fill and automatically fill by the time by the amount of money by electric quantity metering); Be provided with related parameter etc.
Microprocessor unit 10 is connected with bill printer unit 13, after charging finishes, relevant information is printed.
Microprocessor unit 10 is connected with voice module 14, and voice module 14 connects loudspeaker, and the omnidistance voice message while mainly realizing first employing touch LCD screen, reaches friendly man-machine boundary and function; It two is to send alarm sound to be warned in unit exception.
Microprocessor unit 10 is connected with duty display unit 15, for showing the duty of Electric Vehicle's Alternating Intelligent charging spot, sends and when blue passage of scintillation light, stand-by operation are sent green passage of scintillation light, fault, send red passage of scintillation light etc. during such as normal operation.
Microprocessor unit 10 is connected with IC-card POS unit 16, for reading the relevant information on user's IC-card, realizes charging accounting checkout.
Microprocessor unit 10 is connected with WIFI unit 17, and mobile phone A PP user can monitor charging data and state, remote opening and complete charge, the functions such as disbursement and sattlement in real time.
Fig. 2 is the residual current protective unit schematic diagram that the embodiment of the present invention provides, and earth leakage protective device is installed in low-voltage distribution system is and avoid physical electrical shock fire protection casualty accident and electric leakage and the electrical fire causing, the effective measures of electrical equipment damage accident. When the magnitude of voltage of human body contact has exceeded safety value; or the shock current of human body and other are when fault current has exceeded permissible value over the ground; earth leakage protective device can automatic cut-off power, thereby ensures the safety of the person and equipment. it formed together with safe barrier, ensured the security of people's electricity consumptions. Electric leakage processing method of the present invention adopts microprocessor unit 10 real-time sampling electric leakage signals, and selects electric leakage specification and delay time by microprocessor unit 10. Whole electric leakage processing module only needs hardware resource and the one section of electric leakage sampling processing program of 1 ADC of microprocessor unit 10, can realize detection and protection to system electric leakage state.
In Fig. 2, detecting element is leakage current sensor, it is made up of the ring-shaped core sealing and winding 2T1 and Secondary Winding 2T2, in the time of protected circuit non-contact electric, leak current fault, the vector sum of primary side current of a winding 2T1 of ring-shaped core by sealing equals zero, the flux vectors that each like this phase operating current produces in this current sensor and be also zero, therefore the ring-shaped core Secondary Winding 2T2 of sealing does not have induced electromotive force to produce, earth leakage protective device is failure to actuate, system normal power supply. in the time having people to get an electric shock in protected circuit or occur leak current fault, due to the existence of leakage current, making phase load electric current (the comprising neutral current) vector sum of winding 2T1 mono-side of ring-shaped core by sealing is no longer zero, this vector sum is exactly leakage current, flux vectors and effect under, now on ring-shaped core, will there is excitation magnetic potential to exist, the coil of the ring-shaped core Secondary Winding 2T2 of sealing has induced electromotive force to produce, this signal is through filtering, amplify, voltage lifting etc. is sent into operational amplifier A 1 through processing and comparing, be transformed to the unipolarity voltage signal 0-5V that A/D module can gather and finally send into microprocessor unit 10. in the time detecting electric current big or small, sample according to 40 points of each cycle according to the cycle of test current (power frequency), after sampling one-period, according to the numerical value of the attenuation multiple of current sensor and booster tension, calculate actual current effective value by software algorithm, sending signal moves to microprocessor unit driving switch, cut off rapidly the power supply of protected circuit, thereby reach the object that prevents that electric shock accidents from occurring, when in experiment operation, can receive resistance 2R1 by push switch AN by external ten 5V voltages, so that whether inspection electrical apparatus release normally works.
Fig. 3 is AC sampling and the electric quantity metering circuit diagram schematic diagram that the embodiment of the present invention provides; In circuit, IC2 chip is special electric weight computation chip, it is a kind of single phase bidirectional power electric energy IC chip with serial line interface, very easily be connected with microprocessor, chip adopts CMOS manufacturing process, low in energy consumption, integrated level is high, forms the required peripheral components of electric energy meter few, and the linearity of measuring energy data in the dynamic range of 300:1 is in 0.1%; Meanwhile, Embedded is made up of the calculating of electric energy, real available value of voltage, electric current real effective and electrical energy pulse translation function and interface circuit. The operation principle of circuit is: sample circuit is transformed into the acceptable small voltage signal of electric quantity metering chip IC 2 inputted voltage and current signal, electric quantity metering chip IC 2 calculates electric energy according to the defeated people's of sample circuit electric current and voltage, then voltage, electric current and power are sent to microprocessor unit IC1 by three line bi-directional serial interfaces, microprocessor unit IC1 is according to the instruction display measurement result of sending into, there is instantaneous power, the function of accumulative total electricity consumption time of the accumulative total measured power consumption, socket load simultaneously, when power failure, data can be preserved automatically.
In Fig. 3 circuit, voltage sampling circuit is made up of voltage sensor CT2 and precision resistance network and debounce electric capacity, and the component of voltage of collection is sent into differential voltage positive input terminal VIN+ and the differential voltage negative input end VIN-of electric quantity metering chip IC 2; Current sampling circuit Current Transmit 1, precision resistance network and debounce electric capacity composition, the current component gathering is sent into difference current positive input terminal IIN+ and the difference current negative input end IIN-of electric quantity metering chip IC 2, and electric quantity metering chip IC 2 is connected as shown in the figure with microprocessor unit IC1 pin.
In order to realize the function of electric energy meter, Software for Design is divided into: feature operation module and systematic parameter self-correcting module, the major function of systemic-function operational module is: for friendly interactive interface is provided between system and operating personnel, system is effectively managed to the core that therefore this functional module is this electric energy meter.
Fig. 4: be the input protection breaker schematic diagram that the embodiment of the present invention provides, input protection breaker is used for connecting, point deenergizing, has the functions such as overheated, overload, short circuit; Shunt release: be the accessory of input protection breaker, have heat dropout, short circuit dropout, electromagnetism shunted exciter tripping etc., coordinate breaker to reach above-mentioned functions.
Microprocessor unit IC1 sends action command to driver element, actuating signal is added in driving voltage shunt release coil two ends after driver element power transfer, shunt release coil obtains electric rear generation electromagnetic attraction and drives shunt release action, input protection killer switch contact is disconnected, communication channel is blocked without alternating voltage and exports, whether working properly for detecting shunt release coil, on shunt release coil, also has a microswitch K, microswitch K closure in the time of shunt release coil regular event, state inverse signal using this signal as shunt release coil returns to microprocessor unit IC1, if microprocessor unit IC1 sends action command to driver element, actuating signal is added in driving voltage behind shunt release coil two ends after driver element power transfer, shunt release coil motion is undesired, microswitch K can closure also not return to microprocessor unit IC1 with regard to stateless inverse signal, now microprocessor unit IC1 will be reported to the police and be warned, in figure, KZ is closing by hand switch.
Fig. 5: be the magnetic latching relay fundamental diagram that the embodiment of the present invention provides;
Magnetic latching relay is as the one of relay, also be a kind of automatic switch, circuit is played to automatic connection and cutting action, difference is, the normally closed effect of often opening of magnetic latching relay is the effect that relies on permanent-magnet steel completely, and the conversion of its on off state completes by the triggering of a certain amount of pulse electrical signal, therefore, there is power and energy saving, stable performance, volume is little, bearing capacity is large feature, than general electromagnetic relay superior performance.
It is BL8023 (IC3) bidirectional relay drive integrated circult that the present invention adopts model, and for controlling the work of magnetic latching relay, it is large that it has output current, the feature that quiescent dissipation is little. Operating voltage, at 5-16V quiescent dissipation electric current < 1OnA, is inputted height switching levels in 2V left and right, with various microprocessor compatibilities, and the operating temperature scope of application :-40 DEG C one 80 DEG C.
Input A.B should add resistance 5R1,5R2 to ground in input by level triggers, keeps low level. Need like this relay work just can add high level at A end, otherwise add high level at B end, work by menu state. BL8023 (IC3) bidirectional relay drive integrated circult pin function is as follows:
3P: input A connects trigger impulse, also can connect level triggers; 7P: input B connects trigger impulse, also can connect level triggers; 2P/6P: be sky pin; 1P: output QA succeeds line bag one end of electrical equipment; 5P: input QB succeeds the line bag other end of electrical equipment; 8P:Vdd adds relay working voltage anode; 4P:Vss adds relay working voltage negative terminal. Can see that in the drawings microprocessor unit IC1 receives from residual current protective unit output, the input of emergency manual button, electric quantity metering element output signal; 3 pin input A and 7 pin input B that microprocessor unit IC1 output is sent into IC2 bidirectional relay drive integrated circult BL8023 (IC3) through drive circuit and diode 5D1,5D2, control the action of magnetic latching relay and open or close.
When microprocessor unit IC1 intermittent scanning residual current protective unit, when detecting that exporting to drive circuit output trigger impulse after electric leakage signal after calculation process is the input A port of bidirectional relay drive integrated circult to BL8023 (IC3), the output QA port output control signal of BL8023 (IC3) makes magnetic latching relay move its contact unlatching to have disconnected interchange input channel; After detecting that electric leakage signal is eliminated, microprocessor unit IC1 sends instruction to drive circuit, output trigger impulse is to the input B port of BL8023 (IC3) bidirectional relay drive integrated circult, and the output QB port output control signal of BL8023 (IC3) makes magnetic latching relay move its contact involution and connects interchange input channel.
The input of emergency manual button is sent manual operation signal to microprocessor unit IC1, for manually controlling the action of magnetic latching relay, and access or disconnection AC power passage.
Under following two states, electric quantity metering unit inspection is exported to microprocessor unit IC1 and controls the action of main magnetic latching relay, access or disconnect AC power passage. The first situation: in the time that electric quantity metering unit inspection is less than setting value to bearing power, the action of microprocessor unit IC1 control A magnetic latching relay or B magnetic latching relay will be exported to, disconnect AC power input channel, making the thorough power-off of load is zero-power. The second situation: the action that will export to microprocessor unit IC1 and control A magnetic latching relay or B magnetic latching relay in the time that bearing power is greater than setting value (can free setting) when electric quantity metering unit inspection, disconnect alternating current input power supplying passage, the identification of these functions and control are controlled by software.
Fig. 6 is the microprocessor unit serial ports expansion schematic diagram that the embodiment of the present invention provides, and the ancillary equipment of alternating-current charging pile all needs to use serial ports as touch LCD screen, printer, the POS and CAN EBI. Because the output of microprocessor unit self serial ports is limited, therefore need the serial ports on microprocessor unit to expand. The present invention selects SP2538 extended chip, the dedicated serial mouth extended chip that SP2538 system adopts Low-Power CMOS technological design to produce, it can easily be extended to 5 brand-new full duplex RS232 serial ports by existing RS232 serial ports such as any single-chip microcomputer or DSP, all serial ports independent reception and transmission data simultaneously. In figure, IC4 is SP2538 extended chip, and its 17 pin and 18 pin are input and output pins of clock, external two high stability electric capacity. The transceiving data pin that 1 pin and 2 pin are female serial ports, is connected with serial ports TX and the RX of microprocessor unit IC1; 19 pin of IC4 are female serial data receiver address to 21 pin, connect the address output of microprocessor unit IC1, and 22 pin of IC4 are that female serial data sends the address input that address connects microprocessor unit IC1 to 24 pin. 3 pin are respectively the transceiving data pin of substring mouth to 10 pin and 13 pin and 14 pin, they can be connected with touch LCD screen with serial ports, the POS, bill printer etc., and 5 pin and the external embedded serial port of 6 pin turn CAN bus mould certainly realizes the comprehensive data transmitting-receiving of CAN bus; 3 pin and 4 pin connect TX and the RX end of WIFI module.
Fig. 7 is the WIFI serial port module operation principle block diagram that the embodiment of the present invention provides, and WiFi serial port module, is called again embedded WiFi module, is the WiFi module of embedded ICP/IP protocol. It is mainly that single-chip microcomputer will be realized bare machine driver and ICP/IP protocol by an embedded single-chip microcomputer and WiFi module composition that its hardware forms, and WiFi module must complete the wireless receiving and dispatching of data. Embedded WiFi module externally provides UART serial ports or SPI interface, thereby can be connected with external microprocessor by serial ports or SPI interface, allows equipment easily access Internet network.
WiFi serial port module IC6 selects TLN13U06WIFI, stops long-pending little, low in energy consumption. This product adopts asynchronous receiving-transmitting transmitter (UART) interface, built-in lEEE802.11 protocol stack and ' I'CP/IP protocol stack, can realize user's serial ports to the conversion between wireless network.
WiFi serial port module IC6TLN13U06WIFI is connected very simple with microprocessor unit IC1 on hardware, 1 pin of IC6 is connected with the CTS pin of microprocessor unit IC1, and CTS is input signal, allows to send, produced by TLN13U06WIFI chip, notice microprocessor unit can transmit data.
2 pin of IC6 are connected with the RTS pin of microprocessor IC1, and RTS is output signal, and request sends; By microprocessor unit, IC1 produces, and notification module can send data.
6 pin of WiFi serial port module IC6 are connected with the TX of microprocessor unit 4 end, for serial data transmission.
7 pin of WiFi serial port module IC6 are connected with the RX of microprocessor unit 4 end, receive for serial data.
First the configurator by mobile phone terminal in actual practicality, title (SSID) and the key of the router that configuration module will connect;
By the configurator of mobile phone terminal, configuration module will connect the IP address of remote server;
On configuration module, be electrically connected remote server;
The control terminals such as mobile phone connect remote server, issue an order;
User instruction is handed down to the WiFi serial port module in house by remote server;
WiFi serial port module completes the control to Electric Vehicle's Alternating Intelligent charging spot by microprocessor unit and other interlock circuit.
Fig. 8: be the USB socket output principle figure that the embodiment of the present invention provides;
Fig. 8 is USB charging socket circuit; circuit has adopted the synchronous buck regulators CX8505 (IC5) of a single-chip; it can provide lasting 3A load current in input voltage range; the current control mode adopting has fast transient response and continual over-current detection; have the functions such as soft start, low-voltage variation, overheat protector, overcurrent protection, under standby mode, electric current is only 0.3uA. The DC voltage of voltage conversion circuit output is added to 2 pin of IC5 chip through electric capacity 8C1,8C2 filtering, 2 pin power inputs, input voltage range, between 4.75V-30V, connects the shunt capacitance of suitable size between input and ground, can reduce the noise that is input to chip; 1 pin is chip internal driving grid input, connects a 0.01uF or larger boost capacitor 8C4 between 1 and 3, after charging pressure-boosting for chip internal N-channel MOS FET provides driving; 3 pin are power switch pipe output, are connected to 3 and output for output provides energy, LC wave filter 8L1; 7 pin are for enabling input, and 8R1 is that pull-up resistor is for automatic startup; 8 pin soft start control input ends, 8 pin have determined the time of soft start to the electric capacity 8C3 size between ground, 5 pin feedback input ends, output voltage offers the input of 5 pin after resistance 8R4,8R3 dividing potential drop, carrys out regulation output voltage by this sampling feedback; 6 pin compensation ends, the RC network that form series connection by 8C5,8R2 between 6 pin and ground is used for the closed-loop control of bucking-out system, and 4 pin are; 3 pin output voltages are exported 5V voltage to USB accessory power outlet after 8L1 and 8C7 filtering, for digital product provides charging.
Fig. 9 is the standby working power theory diagram that the embodiment of the present invention provides, when civil power is normally worked, be sent to each working cell by voltage transformation module output DC supply through power bus, after civil power power-off, the work of B magnetic latching relay, its pair of contact is connected backup battery and standby working power path, be sent to each working cell by standby working power unit output DC supply through power bus, diode Da and Db are isolating diode, when civil power is normally worked, by voltage transformation module output DC supply, because the partition of Db isolating diode can not cause anti-filling to standby working power unit, and export DC supply by standby working power unit after civil power power-off, because the partition of Da isolating diode can not cause anti-filling to voltage transformation module, ensure power supply safety.
The present invention exchanges Intelligent charging spot software and adopts modular design method, C language compilation, and software function module is more, and program is not just elaborated at this more greatly.
The content that this description is not described in detail belongs to and well known to a person skilled in the art prior art; although oneself is illustrated the present invention and is described by relevant case study on implementation; but; those skilled in the art should be understood; in the scope of claims; can do the various variation in form and details, therefore protection scope of the present invention is when being as the criterion with claims.
Claims (2)
1. an Electric Vehicle's Alternating Intelligent charging spot, it is characterized in that: comprising: microprocessor unit, microprocessor unit is connected with touch LCD screen unit, bill printer unit, voice module, duty display unit, IC-card POS unit, WIFI unit, CAN bus unit, input protection breaker, residual current protective unit, alternating voltage current sampling unit, magnetic latching relay unit, UPS unit and AC-input voltage sensor respectively by its port; Also comprise backup battery and standby working power; The input input AC220V of lightning protection unit, the output of lightning protection unit is input to protective breaker; The AC information of collection is sent to microprocessor unit by described AC-input voltage sensor; Residual current protective unit is sent in the output of described input protection breaker, and residual current protective unit is sent the electric leakage signal detecting into microprocessor unit; The described alternating voltage through residual current protective unit output is sent into A magnetic latching relay unit, and A magnetic latching relay unit is connected with emergency manual button, and microprocessor unit outputs a control signal to A magnetic latching relay unit; The AC signal of described A magnetic latching relay unit output, sends into alternating voltage current sampling unit, and the signal after sampling is input to electric quantity metering unit; Described electric quantity metering unit and microprocessor unit carry out two-way communication, and microprocessor unit reads the storage of electric quantity metering cell data and continuous data is outputed to display screen, bill printer unit, IC-card POS unit and the output of CAN bus unit; Described voltage one tunnel of flowing through alternating voltage current sampling unit is input to voltage transformation module, outputs to USB charging accessory power outlet after conversion; Another road is input to charging gun, inserts onboard charger of electric car charging socket through charging gun, is accumulator of electric car charging by onboard charger of electric car; Described backup battery unit is connected with UPS (uninterrupted power source) input, UPS output is connected with B magnetic latching relay, B magnetic latching relay is connected with alternating voltage current sampling unit, signal after sampling is input to electric quantity metering unit, alternating voltage current sampling unit is connected with charging gun simultaneously, realizes the emergency service after civil power power-off; Described backup battery unit is connected with standby working power unit, be connected with standby working power unit by B magnetic latching relay connecting and disconnecting backup battery unit, realize after civil power power-off, Electric Vehicle's Alternating Intelligent charging spot still can keep normal operating conditions; Card using information is input to microprocessor unit by described IC-card POS unit; Described WIFI unit is connected with microprocessor unit, realizes the real-time monitoring and control of client by mobile phone A PP; Described CAN bus unit is connected with microprocessor unit, by CAN bus unit and battery of electric vehicle communication; Described microprocessor unit is connected with touch LCD screen unit, bill printer unit, voice module, duty display unit, realizes data demonstration, bill printing, voice message and duty and shows.
2. a kind of Electric Vehicle's Alternating Intelligent charging spot according to claim 1, it is characterized in that: duty display unit is for showing the duty of Electric Vehicle's Alternating Intelligent charging spot, while normally operation, send and when blue passage of scintillation light, stand-by operation are sent green passage of scintillation light, fault, send red passage of scintillation light.
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| CN201520913409.2U CN205248831U (en) | 2015-11-17 | 2015-11-17 | Electric automobile exchanges intelligent charging stake |
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| CN201520913409.2U CN205248831U (en) | 2015-11-17 | 2015-11-17 | Electric automobile exchanges intelligent charging stake |
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| CN106042954A (en) * | 2016-05-27 | 2016-10-26 | 安徽明瑞智能科技股份有限公司 | Direct-current charging monitoring system for automobile charging pile |
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| CN108909522A (en) * | 2018-09-03 | 2018-11-30 | 安徽机电职业技术学院 | A kind of mobile alternating current-direct current charging pile based on NB-IOT technology |
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| CN106114262A (en) * | 2016-07-12 | 2016-11-16 | 国网山东省电力公司济南市历城区供电公司 | A kind of electric automobile upper hanging type charging pile |
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| CN106347150A (en) * | 2016-08-31 | 2017-01-25 | 河南浩越新能源科技开发有限公司 | Application method of novel electric car charging pile |
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| CN108173318A (en) * | 2018-02-07 | 2018-06-15 | 杭州快虎科技有限公司 | A kind of antioverloading intelligent charging spot |
| CN108631423A (en) * | 2018-05-15 | 2018-10-09 | 深圳电丰电子有限公司 | A kind of automobile-used charger of homing guidance |
| CN108909522A (en) * | 2018-09-03 | 2018-11-30 | 安徽机电职业技术学院 | A kind of mobile alternating current-direct current charging pile based on NB-IOT technology |
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| CN111031455B (en) * | 2018-10-09 | 2024-05-31 | 安道拓(重庆)汽车部件有限公司 | Adjustable sound-raising system for headrest of automobile seat |
| CN110308350A (en) * | 2019-07-11 | 2019-10-08 | 江苏倚信自动化设备有限公司 | A kind of electric car charging gun charging end single head test equipment |
| CN110308350B (en) * | 2019-07-11 | 2024-05-28 | 江苏倚信自动化设备有限公司 | Single-head testing equipment for charging end of charging gun of electric automobile |
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