CN105634066B - intelligent DC charging station - Google Patents

intelligent DC charging station Download PDF

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Publication number
CN105634066B
CN105634066B CN201610083799.4A CN201610083799A CN105634066B CN 105634066 B CN105634066 B CN 105634066B CN 201610083799 A CN201610083799 A CN 201610083799A CN 105634066 B CN105634066 B CN 105634066B
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China
Prior art keywords
current
circuit
ling yang
charging station
automobile
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CN201610083799.4A
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CN105634066A (en
Inventor
林俊容
陶伟元
吴忠斌
吴享林
周孚忠
刘凯
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Zhongshan Baolijin Electronic Co ltd
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ZHONGSHAN BAOLIJIN ELECTRONIC Co Ltd
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Publication of CN105634066A publication Critical patent/CN105634066A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0027Stations for charging mobile units, e.g. of electric vehicles, of mobile telephones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/65Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/66Data transfer between charging stations and vehicles
    • B60L53/665Methods related to measuring, billing or payment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0021Monitoring or indicating circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0026Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially using safety or protection circuits, e.g. overcharge/discharge disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/027Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters with safety or indicating device
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04Regulation of charging current or voltage
    • H02J7/042Regulation of charging current or voltage the charge cycle being controlled in response to a measured parameter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04Regulation of charging current or voltage
    • H02J7/06Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04Regulation of charging current or voltage
    • H02J7/06Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • H02J2007/10Regulation of charging current or voltage using discharge tubes or semiconductor devices using semiconductor devices only
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations

Abstract

The present invention relates to a kind of intelligent DC charging station, including tail gas concentration detection device, radio frequency identification equipment, Ling Yang SPCE061A chips and multiple direct-current charging post main bodys, tail gas concentration detection device and radio frequency identification equipment are used to gather the car category on neighbouring road, and Ling Yang SPCE061A chips are connected respectively with tail gas concentration detection device, radio frequency identification equipment and multiple direct-current charging post main bodys.By means of the invention it is possible to automatically control the unlatching quantity of the direct-current charging post main body in DC charging station, the situation of the wasting of resources is avoided the occurrence of.

Description

Intelligent DC charging station
Technical field
The present invention relates to DC charging station field, more particularly to a kind of intelligent DC charging station.
Background technology
Usually, need to set one or more direct-current charging posts in a DC charging station to tackle direct current drive automobile Prick the situation for pushing away charging.
But the manager at DC charging station will face a problem:How the unlatching of each direct-current charging post is controlled State.If the direct current drive automobile that whole direct-current charging posts are all turned on but nearby needed to charge is few, will cause many straight Current charge stake is chronically at no chargeable idle condition of direct current drive automobile, wastes certain electric power resource.
On the contrary, if to open but nearby need the direct current drive automobile to charge many for a small amount of direct-current charging post, will cause very The situation that more direct current drive automobiles are lined up charging occurs, and reduces charge efficiency, bad usage experience is brought to user.
In addition, the structure of direct-current charging post of the prior art is not reasonable, function is more single, operating efficiency it is low and Waste excessive unnecessary electric power energy.
Therefore, it is necessary to which a kind of Novel DC charging station, can transform the structure of direct-current charging post of the prior art, improve Its operating efficiency, meet the various demands of charge user;And multiple car category inspections can be internally integrated at DC charging station Measurement equipment and statistics equipment, to occupy direct current of the percentage of total vehicle to unlatching inside DC charging station based on electric automobile The quantity of charging pile carries out Self Adaptive Control, farthest make use of electric power resource.
The content of the invention
In order to solve the above problems, the invention provides a kind of intelligent DC charging station, set by tail gas Concentration Testing Standby and radio frequency identification equipment is respectively used to detect the oils automobile quantity and automobile quantity of road near DC charging station, and is based on Testing result carries out the judgement and control that direct-current charging post in DC charging station opens quantity, avoids the excessive wave to electric power resource Take;Meanwhile by the structure optimization to each direct-current charging post in DC charging station, improve its operating efficiency.
According to an aspect of the present invention, there is provided a kind of intelligent DC charging station, the charging station include tail gas concentration Detection device, radio frequency identification equipment, Ling Yang SPCE061A chips and multiple direct-current charging post main bodys, tail gas concentration detection device and Radio frequency identification equipment is used to gathering car category on neighbouring road, Ling Yang SPCE061A chips and tail gas concentration detection device, Radio frequency identification equipment and multiple direct-current charging post main bodys connect respectively.
More specifically, in the intelligent DC charging station, including:Tail gas concentration detection device, it is arranged on radio frequency knowledge The underface of other equipment, for detecting the tail gas concentration near radio frequency identification equipment, and when tail gas concentration is dense more than or equal to default When spending threshold value, tail gas concentration over-standard signal is sent, preset concentration threshold value is that can recognize that the preset concentration of oils automobile;Radio frequency Identification equipment, the surface of road near DC charging station is arranged on, for detecting there is radio-frequency identification card in passing target Automobile, automobile is sent when detecting the automobile with radio-frequency identification card by signal, radio-frequency identification card be it is entrained by automobile, The card of integrated ETC current functions;Timer, for sending timing signal in real time;Multiple direct-current charging post main bodys, each is straight Current charge stake main body includes charge control apparatus, input terminal voltage detection device, output end voltage current detecting equipment, first whole Flow filter circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sampling Detect circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protection circuit, output overvoltage current foldback circuit With CAN communication interface;First current rectifying and wave filtering circuit is connected with 380 volts of three-phase alternating current incoming lines, for by 380 volts of three-phases Alternating current is converted to DC input voitage;IGBT bridges are connected respectively with the first current rectifying and wave filtering circuit and drive circuit, for driving Under the driving control signal of dynamic circuit, DC input voitage is converted to the AC-input voltage of pulsewidth modulation;High frequency transformer Connect with IGBT bridgings, for carrying out transformation isolation to AC-input voltage;Second current rectifying and wave filtering circuit is connected with high frequency transformer, Rectifying and wave-filtering is carried out again for the voltage signal after transformation is isolated to obtain DC pulse signal, DC pulse signal is used for The battery pack of electric car is charged;Drive circuit is connected with Ling Yang SPCE061A chips, for receiving Ling Yang SPCE061A The IGBT bridge control signals that chip is sent, and driving control signal is determined based on IGBT bridge control signals;Sample detecting circuit with The output end and Ling Yang SPCE061A chips of second current rectifying and wave filtering circuit connect respectively, for carrying out signal to DC pulse signal Sample to obtain direct current sampled data;Equalizing control circuit is connected with Ling Yang SPCE061A chips, for based on Ling Yang The sharing control signal that SPCE061A chips are sent carries out sharing control to the charging current of the battery pack of electric car;Input electricity Pressure detection device is arranged on 380 volts of three-phase alternating current incoming lines, is connected with Ling Yang SPCE061A chips, for detecting 380 volts The input voltage of 380 volts of three-phase alternating currents of three-phase alternating current incoming line, and input voltage is sent to Ling Yang SPCE061A cores Piece;Output end voltage current detecting equipment is connected with the output end of the second current rectifying and wave filtering circuit, for detecting the second rectifying and wave-filtering The voltage and current of the DC pulse signal of the output of circuit, to be sent to Ling Yang as output voltage and output current SPCE061A chips;Charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the first rectifying and wave-filtering electricity Reception of the road to 380 volts of three-phase alternating currents, to realize that the open and close to corresponding direct-current charging post main body operates;Ling Yang SPCE061A chips, with radio frequency identification equipment, tail gas concentration detection device, timer and each direct-current charging post main body Charge control apparatus connects respectively, when receiving automobile and passing through signal, automobile quantity from plus 1, pass through letter when receiving automobile Number and when receiving tail gas concentration over-standard signal, oils automobile quantity from plus 1, electric car quantity is that automobile quantity subtracts oils vapour Car quantity, automobile quantity, oils automobile quantity and the daily automatic clear of electric car quantity, automobile number is occupied based on electric car quantity Direct-current charging post main body in the percentage charge closing station of amount, the percentage that electric car quantity occupies automobile quantity is bigger, closes Charging station in direct-current charging post main body quantity it is fewer;Wherein, Ling Yang SPCE061A chips are determined based on direct current sampled data Sharing control signal, Ling Yang SPCE061A chips are also connected with thermal-shutdown circuit, for being provided for the battery pack of electric car Temperature protection operation, Ling Yang SPCE061A chips also with input over-and under-voltage protection circuit be connected, for for 380 volts of three-phase alternating currents it is defeated Enter circuit and over-and under-voltage protection operation is provided, Ling Yang SPCE061A chips are also connected with output overvoltage current foldback circuit, are used for Over-voltage over-current protection operation is provided for the output end of the second current rectifying and wave filtering circuit.
More specifically, in the intelligent DC charging station:Alternatively, using fixed built in Ling Yang SPCE061A chips Shi Danyuan replaces timer.
More specifically, in the intelligent DC charging station, in addition to:Display device, with Ling Yang SPCE061A chips Connection, for showing the quantity of direct-current charging post main body in the charging station closed.
More specifically, in the intelligent DC charging station, in addition to:Control cabinet, include the shell of stainless steel material.
More specifically, in the intelligent DC charging station:Ling Yang SPCE061A chips are arranged in control cabinet.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein:
Fig. 1 is the block diagram of the intelligent DC charging station according to embodiment of the present invention.
Reference:1 tail gas concentration detection device;2 radio frequency identification equipments;3 Ling Yang SPCE061A chips;4 DC chargings Stake main body
Embodiment
The embodiment of the intelligent DC charging station of the present invention is described in detail below with reference to accompanying drawings.
Electric automobile charging station and Mobile phone charging station and filling station are similar, be one kind to accumulator of electric car The system of " power-up ", charging electric vehicle can be quickly given, endurance is provided for electric automobile.Electric automobile charging station can With as filling station, shop along the street, Street Community, by newsstand, storage shed, betting etc. set.
Each electric automobile charging station can be made up of one or more charging piles, and charging pile fills as electric automobile Electric terminals, in addition to providing electric power for electric automobile, can also have timing, full of alarm, computer fast charge, cipher control, The functions such as self-identifying voltage, multiple protective, so, a charging station can be multiple charging electric vehicles simultaneously, improve charging Efficiency.
However, because charging pile developing history is shorter, the experience of accumulation is less, electric automobile charging station of the prior art Its structure of interior charging pile is more rough, and redundancy is high, causes charge efficiency more low, and the miscellaneous function provided is inclined Few, the Consumer's Experience that the driver to electric automobile brings is poor.
, can not be according to neighbouring road meanwhile electric automobile charging station of the prior art does not have intelligent switch function Electric automobile particular number the unlatching quantity of oneself charge inside stake is set, the historical experience of manager can only be relied on to control by hand Make whether each charging pile enters power saving or closed mode, so easily cause the electric automobile nearby travelled on road very When few, all charging piles are all run in charging station, cause the waste of electric power energy, or, the electricity nearby travelled on road When electrical automobile is a lot, only a small number of even charging pile operations, charging can not be provided for all electric automobiles for being badly in need of charging Service.
Above mentioned problem also exists in direct current drive vehicle charging station and a.c. electric car charging station, correspondingly corresponding Charging terminal is respectively direct-current charging post and alternating-current charging pile.
In order to overcome above-mentioned deficiency, the present invention has built a kind of intelligent DC charging station, can improved inside charging station The structure of each charging pile, increase the charging effect of charging station, provide more preferable service for direct current drive driver, more Importantly, providing direct-current charging post for DC charging station opens quantity automatic control function, so as to automatically realize to direct current The management of power use of charging station, improve the intelligent level at DC charging station.
Fig. 1 is the block diagram of intelligent DC charging station according to embodiment of the present invention, the charging station It is dense including tail gas concentration detection device, radio frequency identification equipment, Ling Yang SPCE061A chips and multiple direct-current charging post main bodys, tail gas Degree detection device and radio frequency identification equipment are used to gather the car category on neighbouring road, and Ling Yang SPCE061A chips and tail gas are dense Degree detection device, radio frequency identification equipment and multiple direct-current charging post main bodys connect respectively.
Then, continue that the concrete structure of the intelligent DC charging station of the present invention is further detailed.
The charging station includes:Tail gas concentration detection device, the underface of radio frequency identification equipment is arranged on, is penetrated for detecting Tail gas concentration near frequency identification equipment, and when tail gas concentration is more than or equal to preset concentration threshold value, send tail gas concentration over-standard Signal, preset concentration threshold value are that can recognize that the preset concentration of oils automobile.
The charging station includes:Radio frequency identification equipment, the surface of road near DC charging station is arranged on, for detecting There is the automobile of radio-frequency identification card, sending automobile when detecting the automobile with radio-frequency identification card passes through letter in passing target Number, radio-frequency identification card is the card of entrained by automobile, integrated ETC current functions.
The charging station includes:Timer, for sending timing signal in real time.
The charging station includes:Multiple direct-current charging post main bodys, each direct-current charging post main body are set including charge control Standby, input terminal voltage detection device, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar are brilliant Body pipe IGBT bridges, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, mistake Warm protection circuit, input over-and under-voltage protection circuit, output overvoltage current foldback circuit and CAN communication interface.
First current rectifying and wave filtering circuit is connected with 380 volts of three-phase alternating current incoming lines, for 380 volts of three-phase alternating currents to be changed For DC input voitage;IGBT bridges are connected respectively with the first current rectifying and wave filtering circuit and drive circuit, for the drive in drive circuit Under dynamic control signal, DC input voitage is converted to the AC-input voltage of pulsewidth modulation;High frequency transformer and IGBT bridgings Connect, for carrying out transformation isolation to AC-input voltage.
Second current rectifying and wave filtering circuit is connected with high frequency transformer, is carried out again for the voltage signal after transformation is isolated whole To obtain DC pulse signal, DC pulse signal is used to charge to the battery pack of electric car for stream filtering;Drive circuit with Ling Yang SPCE061A chips connect, the IGBT bridge control signals sent for receiving Ling Yang SPCE061A chips, and are based on IGBT Bridge control signal determines driving control signal.
Sample detecting circuit is connected respectively with the output end and Ling Yang SPCE061A chips of the second current rectifying and wave filtering circuit, is used for Signal sampling is carried out to DC pulse signal to obtain direct current sampled data;Equalizing control circuit connects with Ling Yang SPCE061A chips Connect, it is equal for being carried out based on the sharing control signal that Ling Yang SPCE061A chips are sent to the charging current of the battery pack of electric car Flow control.
Input terminal voltage detection device is arranged on 380 volts of three-phase alternating current incoming lines, is connected with Ling Yang SPCE061A chips Connect, the input voltage of 380 volts of three-phase alternating currents for detecting 380 volts of three-phase alternating current incoming lines, and input voltage is sent Give Ling Yang SPCE061A chips;Output end voltage current detecting equipment is connected with the output end of the second current rectifying and wave filtering circuit, is used for The voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit is detected, to be used as output voltage and output Electric current is sent to Ling Yang SPCE061A chips.
Charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the first current rectifying and wave filtering circuit pair The reception of 380 volts of three-phase alternating currents, to realize that the open and close to corresponding direct-current charging post main body operates.
The charging station includes:Ling Yang SPCE061A chips, with radio frequency identification equipment, tail gas concentration detection device, timing Device and the charge control apparatus of each direct-current charging post main body connect respectively, when receiving automobile and passing through signal, automobile Quantity is from adding 1, and when receiving automobile by signal and receiving tail gas concentration over-standard signal, oils automobile quantity adds 1 certainly, electricity Motor-car quantity is that automobile quantity subtracts oils automobile quantity, and automobile quantity, oils automobile quantity and electric car quantity are automatic daily Reset, direct-current charging post main body in the percentage charge closing station of automobile quantity, electric car quantity are occupied based on electric car quantity Occupy that the percentage of automobile quantity is bigger, the quantity of direct-current charging post main body is fewer in the charging station of closing.
Wherein, Ling Yang SPCE061A chips determine sharing control signal, Ling Yang SPCE061A cores based on direct current sampled data Piece is also connected with thermal-shutdown circuit, for providing overheat protector operation, Ling Yang SPCE061A chips for the battery pack of electric car Also it is connected with input over-and under-voltage protection circuit, for providing over-and under-voltage protection operation for 380 volts of three-phase alternating current incoming lines, Ling Yang SPCE061A chips are also connected with output overvoltage current foldback circuit, for being carried for the output end of the second current rectifying and wave filtering circuit Operated for over-voltage over-current protection.
Alternatively, in the intelligent DC charging station:Alternatively, using the built-in timing of Ling Yang SPCE061A chips Unit replaces timer;Also include:Display device, it is connected with Ling Yang SPCE061A chips, for showing in the charging station closed The quantity of direct-current charging post main body;Also include:Control cabinet, include the shell of stainless steel material;And can be by Ling Yang SPCE061A chips are arranged in control cabinet.
In addition, wave filter, is the device filtered to ripple as its name suggests." ripple " is that a very extensive physics is general Read, in electronic technology field, the value that " ripple " is narrowly confined to refer in particular to describe various physical quantitys is with time fluctuations Process.The process is converted into the function of time of voltage or electric current, referred to as various physical quantitys by the effect of various kinds of sensors Time waveform, or referred to as signal.Because the independent variable time is continuous value, referred to as continuous time signal, Habitually it is referred to as analog signal again.
With the generation and rapid development of digital electronic computer technology, for the ease of computer to signal at Reason, generate the complete theoretical and method that continuous time signal is transformed into discrete-time signal under sampling theorem guidance. That is, primary signal only can be expressed without losing with sample value of the original analog signal on series of discrete time coordinate point Lose any information since the expression of ripple, waveform, signal these concepts be various physical quantitys in objective world change, naturally It is the carrier for the various information that modern society depends on for existence.Information needs to propagate, and what is leaned on is exactly the transmission of waveform signal.Signal exists Its generation, conversion, each link of transmission may be distorted due to the presence of environment and interference, even quite a lot of In the case of, this distortion is also very serious, causes signal and its entrained information to be embedded in dearly among noise.In order to These noises are filtered out, recover the signal of script, it is necessary to be filtered processing using various wave filters.
Using the intelligent DC charging station of the present invention, the overall electric energy in DC charging station can not be improved for prior art The technical problem of utilization rate, first, by improveing the internal structure of each direct-current charging post in charging station, improve single direct current The service behaviour and energy-saving efficiency of charging pile, secondly, by introducing high-precision car category detection device, and based on detection knot Fruit is analyzed, it is determined that nearby electric automobile occupies the percentage of total vehicle on road, is charged based on above-mentioned percentage Station automatically controls the Automated condtrol for opening charging pile quantity, so as to solve above-mentioned technical problem.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection It is interior.

Claims (5)

1. a kind of intelligent DC charging station, the charging station includes tail gas concentration detection device, radio frequency identification equipment, Ling Yang SPCE061A chips and multiple direct-current charging post main bodys, tail gas concentration detection device and radio frequency identification equipment are used to gather road nearby Car category on road, Ling Yang SPCE061A chips and tail gas concentration detection device, radio frequency identification equipment and multiple DC chargings Stake main body connects respectively;
Characterized in that, the charging station also includes:
Tail gas concentration detection device, the underface of radio frequency identification equipment is arranged on, for detecting the tail near radio frequency identification equipment Gas concentration, and when tail gas concentration is more than or equal to preset concentration threshold value, tail gas concentration over-standard signal is sent, preset concentration threshold value is It can recognize that the preset concentration of oils automobile;
Radio frequency identification equipment, the surface of road near DC charging station is arranged on, for detecting there is radio frequency in passing target The automobile of identification card, automobile is sent when detecting the automobile with radio-frequency identification card by signal, radio-frequency identification card is automobile The card of entrained, integrated ETC current functions;
Timer, for sending timing signal in real time;
Multiple direct-current charging post main bodys, each direct-current charging post main body includes charge control apparatus, input terminal voltage detection is set Standby, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformation Device, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input overvoltage Under-voltage protecting circuit, output overvoltage current foldback circuit and CAN communication interface;
First current rectifying and wave filtering circuit is connected with 380 volts of three-phase alternating current incoming lines, for 380 volts of three-phase alternating currents to be converted to directly Flow input voltage;
IGBT bridges are connected respectively with the first current rectifying and wave filtering circuit and drive circuit, for the driving control signal in drive circuit Under, DC input voitage is converted to the AC-input voltage of pulsewidth modulation;
High frequency transformer connects with IGBT bridgings, for carrying out transformation isolation to AC-input voltage;
Second current rectifying and wave filtering circuit is connected with high frequency transformer, and rectification filter is carried out again for the voltage signal after transformation is isolated To obtain DC pulse signal, DC pulse signal is used to charge to the battery pack of electric car ripple;
Drive circuit is connected with Ling Yang SPCE061A chips, and letter is controlled for receiving the IGBT bridges that Ling Yang SPCE061A chips are sent Number, and driving control signal is determined based on IGBT bridge control signals;
Sample detecting circuit is connected respectively with the output end and Ling Yang SPCE061A chips of the second current rectifying and wave filtering circuit, for straight Signal pulse stream carries out signal sampling to obtain direct current sampled data;
Equalizing control circuit is connected with Ling Yang SPCE061A chips, for the sharing control sent based on Ling Yang SPCE061A chips Signal carries out sharing control to the charging current of the battery pack of electric car;
Input terminal voltage detection device is arranged on 380 volts of three-phase alternating current incoming lines, is connected with Ling Yang SPCE061A chips, is used In the input voltage for 380 volts of three-phase alternating currents for detecting 380 volts of three-phase alternating current incoming lines, and input voltage is sent to Ling Yang SPCE061A chips;
Output end voltage current detecting equipment is connected with the output end of the second current rectifying and wave filtering circuit, for detecting the second rectifying and wave-filtering The voltage and current of the DC pulse signal of the output of circuit, to be sent to Ling Yang as output voltage and output current SPCE061A chips;
Charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the first current rectifying and wave filtering circuit to 380 volts The reception of three-phase alternating current, to realize that the open and close to corresponding direct-current charging post main body operates;
Ling Yang SPCE061A chips, with radio frequency identification equipment, tail gas concentration detection device, timer and each DC charging The charge control apparatus of stake main body connects respectively, when receiving automobile and passing through signal, automobile quantity from plus 1, when receiving vapour Car by signal and when receiving tail gas concentration over-standard signal, oils automobile quantity from plus 1, electric car quantity is that automobile quantity subtracts Oils automobile quantity is gone, automobile quantity, oils automobile quantity and the daily automatic clear of electric car quantity, is accounted for based on electric car quantity According to direct-current charging post main body in the percentage charge closing station of automobile quantity, the percentage that electric car quantity occupies automobile quantity is got over Greatly, the quantity of direct-current charging post main body is fewer in the charging station of closing;
Wherein, Ling Yang SPCE061A chips determine sharing control signal based on direct current sampled data, and Ling Yang SPCE061A chips are also Be connected with thermal-shutdown circuit, for for the battery pack of electric car provide overheat protector operation, Ling Yang SPCE061A chips also with The connection of over-and under-voltage protection circuit is inputted, for providing over-and under-voltage protection operation, Ling Yang for 380 volts of three-phase alternating current incoming lines SPCE061A chips are also connected with output overvoltage current foldback circuit, for being provided for the output end of the second current rectifying and wave filtering circuit Press overcurrent protection operation.
2. intelligent DC charging station as claimed in claim 1, it is characterised in that:
Alternatively, timer is replaced using the built-in timing unit of Ling Yang SPCE061A chips.
3. intelligent DC charging station as claimed in claim 1, it is characterised in that also include:
Display device, it is connected with Ling Yang SPCE061A chips, for showing the number of direct-current charging post main body in the charging station closed Amount.
4. intelligent DC charging station as claimed in claim 1, it is characterised in that also include:
Control cabinet, include the shell of stainless steel material.
5. intelligent DC charging station as claimed in claim 4, it is characterised in that:
Ling Yang SPCE061A chips are arranged in control cabinet.
CN201610083799.4A 2016-02-04 2016-02-04 intelligent DC charging station Active CN105634066B (en)

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