CN105529783A - DC charging station based on adaptive control - Google Patents

DC charging station based on adaptive control Download PDF

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Publication number
CN105529783A
CN105529783A CN201610080906.8A CN201610080906A CN105529783A CN 105529783 A CN105529783 A CN 105529783A CN 201610080906 A CN201610080906 A CN 201610080906A CN 105529783 A CN105529783 A CN 105529783A
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Prior art keywords
current
direct
circuit
charging station
process chip
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CN201610080906.8A
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CN105529783B (en
Inventor
张希梅
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Yancheng Heng Heng Investment Development Co., Ltd.
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张希梅
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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
    • 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
    • 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
    • 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
    • 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
    • Y02T90/14Plug-in electric vehicles

Abstract

The invention relates to a DC charging station based on adaptive control. The DC charging station comprises a DSP processing chip and a plurality of DC charging pile bodies, and the DSP processing chip is respectively connected with the plurality of DC charging pile bodies for determining the number of DC charging pile bodies needing to be closed in the plurality of DC charging pile bodies based on the automobile type information of nearby roads. By adopting the DC charging station provided by the invention, the number of opened DC charging pile bodies in the DC charging station is adaptive to the demands of the nearby electric vehicles.

Description

Based on the DC charging station of adaptive control
Technical field
The present invention relates to field, DC charging station, particularly relate to a kind of DC charging station based on adaptive control.
Background technology
The routine techniques parameter of straight flow charging pile is as follows: a) charging pile (bolt) power input voltage: three-phase and four-line 380VAC ± 15%, frequency 50Hz ± 5%; B) charging pile (bolt) should meet charging object; C) charging pile (bolt) exports as direct current, and output voltage meets the battery standard requirement of charging object; D) maximum output current meets the charging requirement of the battery standard 1C of charging object, and backward compatible; E) charging modes is divided into conventional and quick 2 kinds of modes, and routine is 5 hours charging modes, is 1 hour charging modes (selecting for different battery types) fast; F) intelligent IC management is realized; G) each charging pile (bolt) carries operator, carries out modes selecting and Operating Guideline for user, and shows battery of electric vehicle state and user's IC-card tariff information, realizes unattended; H) charging pile (bolt) interface should meet the relevant regulations of direct-current charging interface; I) charging pile (bolt) communication interface adopts CAN communication interface, and communication protocol performs (object that charges is lithium battery motor-car) according to the regulation of the communication protocol between cell management system of electric automobile and non-Vehicular charger; J) charging pile (bolt) should possess corresponding warning and defencive function to the abnormal condition in charging process; K) charging pile (bolt) will be monitored the state of battery, according to the temperature of battery, voltage to charging curve, charging current, charging voltage adjusts automatically; L) charging pile (bolt) adopts air blast cooling; M) charging pile (bolt) degree of protection meets the requirements
Each direct current drive vehicle charging station can be made up of one or more direct-current charging post; direct-current charging post is as the charging terminal of direct current drive automobile; except providing except electric power for direct current drive automobile; timing can also be had, be full of warning, the function such as computer fills soon, cipher control, self-identifying voltage, multiple protective; like this; a DC charging station can be multiple direct current drive vehicle chargings simultaneously, improves the efficiency of charging.
But, because direct-current charging post developing history is shorter, the experience of accumulation is less, its structure comparison of direct-current charging post in direct current drive vehicle charging station of the prior art is rough, redundancy is high, cause charge efficiency comparatively low, and the miscellaneous function provided is on the low side, the Consumer's Experience brought to the driver of direct current drive automobile is poor.
Simultaneously, direct current drive vehicle charging station of the prior art can only control the unlatching quantity of the direct-current charging post of administering by manual mode of operation, namely gerentocratic historical experience hand-guided is relied on, this control mode not science, when easily causing direct current drive automobile that nearby road travels little, in DC charging station, all direct-current charging posts all run, cause the waste of electric power energy, or the direct current drive automobile quantity that the needs nearby road travelled charge is considerably beyond the quantity of idle direct-current charging post.
Therefore, need a kind of new DC charging station, first, the unlatching quantity of oneself inner direct-current charging post can be set according to the electric automobile concrete quantity self adaptation of road near DC charging station, thus adapting both realizing, secondly, the 26S Proteasome Structure and Function of each direct-current charging post can be transformed, improve the charge efficiency of direct-current charging post.
Summary of the invention
In order to solve the problem, the invention provides a kind of DC charging station based on adaptive control, by optimizing the internal structure of direct-current charging post, cater to the various demands of electric vehicle driver, the particularly important is, occupied the number percent of whole running automobile by the electric automobile introducing carbonmonoxide detector, nitric oxide detector, infrared ray sensing array near obtaining, road travel, thus provide control foundation for the unlatching of the direct-current charging post in DC charging station.
According to an aspect of the present invention, provide a kind of DC charging station based on adaptive control, described charging station comprises DSP process chip and multiple direct-current charging post main body, DSP process chip is connected respectively with multiple direct-current charging post main body, for the car type information based on neighbouring road, determine the quantity needing the direct-current charging post main body of closing in multiple direct-current charging post main body.
More specifically, described based in the DC charging station of adaptive control, comprise: nitric oxide detector, be arranged near infrared ray sensing array, for detecting the nitric oxide concentration near infrared ray sensing array, and when nitric oxide concentration is more than or equal to the first concentration threshold, sends nitric oxide and to exceed standard signal, carbonmonoxide detector, is arranged near infrared ray sensing array, for detecting the carbonomonoxide concentration near infrared ray sensing array, and when carbonomonoxide concentration is more than or equal to the second concentration threshold, sending carbon monoxide and to exceed standard signal, infrared ray sensing array, be horizontally set on site of road near DC charging station, be made up of multiple infrared ray sensing unit, whether there is running car according to road near the quantity determination charging station of the infrared ray sensing unit be triggered simultaneously to pass through, when determine to exist running car by time send automobile and pass through signal, wherein, the horizontal width of infrared ray sensing array is more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit is for be uniformly distributed at equal intervals, timer, for sending timing signal in real time, multiple direct-current charging post main body, each direct-current charging post main body comprises charge control apparatus, input terminal voltage checkout equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protective 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 are converted to DC input voitage, IGBT bridge is connected respectively with the first current rectifying and wave filtering circuit and drive circuit, under the drive control signal of drive circuit, DC input voitage is converted to the AC-input voltage of pulse-width modulation, high frequency transformer and IGBT bridging connect, for carrying out transformation isolation to AC-input voltage, second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is used for charging to the battery pack of electric motor car, drive circuit is connected with DSP process chip, for receiving the IGBT bridge control signal that DSP process chip sends, and based on IGBT bridge control signal determination drive control signal, output and the DSP process chip of sample detecting circuit and the second current rectifying and wave filtering circuit are connected, respectively for carrying out signal sampling to DC pulse signal to obtain direct current sampled data, equalizing control circuit is connected with DSP process chip, carries out sharing control for the sharing control signal sent based on DSP process chip to the charging current of the battery pack of electric motor car, input terminal voltage checkout equipment is arranged on 380 volts of three-phase alternating current incoming lines, is connected with DSP process chip, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to DSP process chip, output end voltage current detecting equipment is connected with the output of the second current rectifying and wave filtering circuit, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to send to DSP process chip as output voltage and output current, charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the reception of the first current rectifying and wave filtering circuit to 380 volts of three-phase alternating currents, to realize operating the open and close of corresponding direct-current charging post main body, DSP process chip, with timer, infrared ray sensing array, nitric oxide detector, carbonmonoxide detector and each direct-current charging post main body connect respectively, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive nitric oxide exceed standard signal and carbon monoxide exceed standard signal time, oils automobile quantity is from adding 1, electric motor car quantity is that automobile quantity deducts oils automobile quantity, automobile quantity, oils automobile quantity and electric motor car quantity automatic clear every day, the unlatching quantity of direct-current charging post main body in the percentage determination charging station occupying automobile quantity based on electric motor car quantity, the percentage that electric motor car quantity occupies automobile quantity is larger, in charging station, the unlatching quantity of direct-current charging post main body is more.
More specifically, described based in the DC charging station of adaptive control: DSP process chip is based on direct current sampled data determination sharing control signal.
More specifically, described based in the DC charging station of adaptive control: DSP process chip is also connected with thermal-shutdown circuit, for providing overheat protector to operate for the battery pack of electric motor car.
More specifically, described based in the DC charging station of adaptive control: DSP process chip is also connected with input over-and under-voltage protective circuit, protects operation for providing over-and under-voltage for 380 volts of three-phase alternating current incoming lines.
More specifically, described based in the DC charging station of adaptive control: DSP process chip is also connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection to operate for the output of the second current rectifying and wave filtering circuit.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram at the DC charging station based on adaptive control illustrated according to an embodiment of the present invention.
Reference numeral: 1DSP process chip; 2 direct-current charging post main bodys
Embodiment
Below with reference to accompanying drawings the embodiment at the DC charging station based on adaptive control of the present invention is described in detail.
Divide from the operation principle of motor, electric automobile can be divided into direct current drive automobile and a.c. electric car two types, the operation principle of each electric automobile is different, and correspondingly, the charging modes of charging pile is not identical yet.
At present, direct current drive automobile occupies a certain proportion of market of electric automobile.For a DC charging station, need to arrange one or more direct-current charging post, prick to tackle direct current drive automobile the situation pushing away charging, at this moment, the manager at DC charging station will face a difficult problem: the opening how controlling each direct-current charging post.If all direct-current charging post all open but near need the direct current drive automobile that charges few, a lot of direct-current charging post will be caused to be in without the chargeable idle condition of electric automobile for a long time, waste certain electric power resource, on the contrary, if a small amount of direct-current charging post open but near need the direct current drive automobile that charges a lot, the situation of charging of queuing up causing a lot of direct current drive automobile occurs, and reduces charge efficiency, brings bad experience to user.
In addition, the structure of direct-current charging post of the prior art is reasonable not, and function is comparatively single, and operating efficiency is low, cannot meet the demand of day by day fastidious direct current drive driver, need to integrate its internal hardware structure.
In order to overcome above-mentioned deficiency, the present invention has built a kind of DC charging station based on adaptive control, first, transforms the structure of direct-current charging post of the prior art, optimizes existing capability, increases work efficiency; Secondly, inner integrated multiple car category checkout equipment and statistics equipment at DC charging station, automatically control the quantity of the direct-current charging post that inside, DC charging station is opened with the percentage occupying total vehicle based on electric automobile, thus farthest make use of existing electric power resource.
Fig. 1 is the block diagram at the DC charging station based on adaptive control illustrated according to an embodiment of the present invention, described charging station comprises DSP process chip and multiple direct-current charging post main body, DSP process chip is connected respectively with multiple direct-current charging post main body, for the car type information based on neighbouring road, determine the quantity needing the direct-current charging post main body of closing in multiple direct-current charging post main body.
Then, continue to be further detailed the concrete structure at the DC charging station based on adaptive control of the present invention.
Described charging station comprises: nitric oxide detector, is arranged near infrared ray sensing array, for detecting the nitric oxide concentration near infrared ray sensing array, and when nitric oxide concentration is more than or equal to the first concentration threshold, sending nitric oxide and to exceed standard signal.
Described charging station comprises: carbonmonoxide detector, is arranged near infrared ray sensing array, for detecting the carbonomonoxide concentration near infrared ray sensing array, and when carbonomonoxide concentration is more than or equal to the second concentration threshold, sending carbon monoxide and to exceed standard signal.
Described charging station comprises: infrared ray sensing array, be horizontally set on site of road near DC charging station, be made up of multiple infrared ray sensing unit, whether there is running car according to road near the quantity determination charging station of the infrared ray sensing unit be triggered simultaneously to pass through, when determine to exist running car by time send automobile and pass through signal, wherein, the horizontal width of infrared ray sensing array is more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit is for be uniformly distributed at equal intervals; Timer, for sending timing signal in real time.
Described charging station comprises: multiple direct-current charging post main body, and each direct-current charging post main body comprises charge control apparatus, input terminal voltage checkout equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protective 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 are converted to DC input voitage; IGBT bridge is connected respectively with the first current rectifying and wave filtering circuit and drive circuit, under the drive control signal of drive circuit, DC input voitage is converted to the AC-input voltage of pulse-width modulation; High frequency transformer and IGBT bridging connect, for carrying out transformation isolation to AC-input voltage; Second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is used for charging to the battery pack of electric motor car.
Drive circuit is connected with DSP process chip, for receiving the IGBT bridge control signal that DSP process chip sends, and based on IGBT bridge control signal determination drive control signal; Output and the DSP process chip of sample detecting circuit and the second current rectifying and wave filtering circuit are connected, respectively for carrying out signal sampling to DC pulse signal to obtain direct current sampled data; Equalizing control circuit is connected with DSP process chip, carries out sharing control for the sharing control signal sent based on DSP process chip to the charging current of the battery pack of electric motor car; Input terminal voltage checkout equipment is arranged on 380 volts of three-phase alternating current incoming lines, is connected with DSP process chip, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to DSP process chip.
Output end voltage current detecting equipment is connected with the output of the second current rectifying and wave filtering circuit, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to send to DSP process chip as output voltage and output current; Charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the reception of the first current rectifying and wave filtering circuit to 380 volts of three-phase alternating currents, to realize operating the open and close of corresponding direct-current charging post main body.
Described charging station comprises: DSP process chip, with timer, infrared ray sensing array, nitric oxide detector, carbonmonoxide detector and each direct-current charging post main body connect respectively, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive nitric oxide exceed standard signal and carbon monoxide exceed standard signal time, oils automobile quantity is from adding 1, electric motor car quantity is that automobile quantity deducts oils automobile quantity, automobile quantity, oils automobile quantity and electric motor car quantity automatic clear every day, the unlatching quantity of direct-current charging post main body in the percentage determination charging station occupying automobile quantity based on electric motor car quantity, the percentage that electric motor car quantity occupies automobile quantity is larger, in charging station, the unlatching quantity of direct-current charging post main body is more.
Alternatively, described based in the DC charging station of adaptive control: DSP process chip is based on direct current sampled data determination sharing control signal; DSP process chip is also connected with thermal-shutdown circuit, for providing overheat protector to operate for the battery pack of electric motor car; DSP process chip is also connected with input over-and under-voltage protective circuit, protects operation for providing over-and under-voltage for 380 volts of three-phase alternating current incoming lines; And DSP process chip can also be connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection to operate for the output of the second current rectifying and wave filtering circuit.
In addition, dsp chip, also claims digital signal processor, and be a kind of microprocessor being particularly suitable for carrying out Digital Signal Processing computing, it is mainly applied is realize various digital signal processing algorithm real-time.
According to the requirement of Digital Signal Processing, dsp chip generally has following main feature: (1) can complete a multiplication and a sub-addition within an instruction cycle; (2) program and data space separately, can access instruction and data simultaneously; (3) there is quick RAM in sheet, usually access in two pieces by independently data/address bus simultaneously; (4) there is low expense or the hardware supports without overhead loop and redirect; (5) interrupt processing fast and Hardware I/O support; (6) there are the multiple hardware address generators operated within the monocycle; (7) can the multiple operation of executed in parallel; (8) support pile line operation, fetching, decoding and execution etc. are operated can Overlapped Execution.
Adopt the DC charging station based on adaptive control of the present invention, cannot carry out automatically opening the technical problem controlled to the inner direct-current charging post quantity in DC charging station for prior art, by introducing multiple car category checkout equipment and statistical computation equipment, determine that on neighbouring road, electric automobile occupies the percentage of total vehicle, automatically the foundation of opening charging pile quantity is controlled using above-mentioned percentage as charging station, thus avoid the waste unnecessary of electric power resource, simultaneously, by being optimized the structure of each direct-current charging post in DC charging station, improve its charge efficiency, thus solve above-mentioned technical problem.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.

Claims (6)

1. the DC charging station based on adaptive control, described charging station comprises DSP process chip and multiple direct-current charging post main body, DSP process chip is connected respectively with multiple direct-current charging post main body, for the car type information based on neighbouring road, determine the quantity needing the direct-current charging post main body of closing in multiple direct-current charging post main body.
2., as claimed in claim 1 based on the DC charging station of adaptive control, it is characterized in that, described charging station comprises:
Nitric oxide detector, is arranged near infrared ray sensing array, for detecting the nitric oxide concentration near infrared ray sensing array, and when nitric oxide concentration is more than or equal to the first concentration threshold, sending nitric oxide and to exceed standard signal;
Carbonmonoxide detector, is arranged near infrared ray sensing array, for detecting the carbonomonoxide concentration near infrared ray sensing array, and when carbonomonoxide concentration is more than or equal to the second concentration threshold, sending carbon monoxide and to exceed standard signal;
Infrared ray sensing array, be horizontally set on site of road near DC charging station, be made up of multiple infrared ray sensing unit, whether there is running car according to road near the quantity determination charging station of the infrared ray sensing unit be triggered simultaneously to pass through, when determine to exist running car by time send automobile and pass through signal, wherein, the horizontal width of infrared ray sensing array is more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit is for be uniformly distributed at equal intervals;
Timer, for sending timing signal in real time;
Multiple direct-current charging post main body, each direct-current charging post main body comprises charge control apparatus, input terminal voltage checkout equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protective 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 are converted to DC input voitage;
IGBT bridge is connected respectively with the first current rectifying and wave filtering circuit and drive circuit, under the drive control signal of drive circuit, DC input voitage is converted to the AC-input voltage of pulse-width modulation;
High frequency transformer and IGBT bridging connect, for carrying out transformation isolation to AC-input voltage;
Second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is used for charging to the battery pack of electric motor car;
Drive circuit is connected with DSP process chip, for receiving the IGBT bridge control signal that DSP process chip sends, and based on IGBT bridge control signal determination drive control signal;
Output and the DSP process chip of sample detecting circuit and the second current rectifying and wave filtering circuit are connected, respectively for carrying out signal sampling to DC pulse signal to obtain direct current sampled data;
Equalizing control circuit is connected with DSP process chip, carries out sharing control for the sharing control signal sent based on DSP process chip to the charging current of the battery pack of electric motor car;
Input terminal voltage checkout equipment is arranged on 380 volts of three-phase alternating current incoming lines, is connected with DSP process chip, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to DSP process chip;
Output end voltage current detecting equipment is connected with the output of the second current rectifying and wave filtering circuit, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to send to DSP process chip as output voltage and output current;
Charge control apparatus is connected with the first current rectifying and wave filtering circuit, for cutting off or recovering the reception of the first current rectifying and wave filtering circuit to 380 volts of three-phase alternating currents, to realize operating the open and close of corresponding direct-current charging post main body;
DSP process chip, with timer, infrared ray sensing array, nitric oxide detector, carbonmonoxide detector and each direct-current charging post main body connect respectively, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive nitric oxide exceed standard signal and carbon monoxide exceed standard signal time, oils automobile quantity is from adding 1, electric motor car quantity is that automobile quantity deducts oils automobile quantity, automobile quantity, oils automobile quantity and electric motor car quantity automatic clear every day, the unlatching quantity of direct-current charging post main body in the percentage determination charging station occupying automobile quantity based on electric motor car quantity, the percentage that electric motor car quantity occupies automobile quantity is larger, in charging station, the unlatching quantity of direct-current charging post main body is more.
3., as claimed in claim 2 based on the DC charging station of adaptive control, it is characterized in that:
DSP process chip is based on direct current sampled data determination sharing control signal.
4., as claimed in claim 2 based on the DC charging station of adaptive control, it is characterized in that:
DSP process chip is also connected with thermal-shutdown circuit, for providing overheat protector to operate for the battery pack of electric motor car.
5., as claimed in claim 2 based on the DC charging station of adaptive control, it is characterized in that:
DSP process chip is also connected with input over-and under-voltage protective circuit, protects operation for providing over-and under-voltage for 380 volts of three-phase alternating current incoming lines.
6., as claimed in claim 2 based on the DC charging station of adaptive control, it is characterized in that:
DSP process chip is also connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection to operate for the output of the second current rectifying and wave filtering circuit.
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