CN104659849A - Device, system and charging method of charging pile - Google Patents

Device, system and charging method of charging pile Download PDF

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Publication number
CN104659849A
CN104659849A CN201310590961.8A CN201310590961A CN104659849A CN 104659849 A CN104659849 A CN 104659849A CN 201310590961 A CN201310590961 A CN 201310590961A CN 104659849 A CN104659849 A CN 104659849A
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CN
China
Prior art keywords
described
charging
unit
charging pile
power subsystem
Prior art date
Application number
CN201310590961.8A
Other languages
Chinese (zh)
Inventor
殷树刚
赵羡龙
郭正雄
徐鲲鹏
胡宇宣
何凡
Original Assignee
国家电网公司
北京南瑞智芯微电子科技有限公司
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Application filed by 国家电网公司, 北京南瑞智芯微电子科技有限公司 filed Critical 国家电网公司
Priority to CN201310590961.8A priority Critical patent/CN104659849A/en
Publication of CN104659849A publication Critical patent/CN104659849A/en

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    • 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
    • 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
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/20Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
    • 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
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
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    • 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
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
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    • HELECTRICITY
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    • H02J7/0021Monitoring or indicating circuits
    • HELECTRICITY
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    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L2210/00Converter types
    • B60L2210/30AC to DC converters
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
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    • B60L2240/547Voltage
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • Y04S10/10Systems characterised by the monitored, controlled or operated power network elements or equipment
    • Y04S10/12Systems characterised by the monitored, controlled or operated power network elements or equipment the elements or equipment being or involving energy generation units, including distributed generation [DER] or load-side generation
    • Y04S10/126Systems characterised by the monitored, controlled or operated power network elements or equipment the elements or equipment being or involving energy generation units, including distributed generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

The invention discloses a device, system and charging method of a charging pile. The device comprises an electric source unit, a direct-current charging unit and a state monitoring unit, wherein the electric source unit is connected with the direct-current charging unit and supplies electricity to the direct-current charging unit, and the state monitoring unit is connected with the electric source unit and the direct-current charging unit; the electric source unit is used for receiving external electricity supply and processing input voltage to output stable direct current; the direct-current charging unit is used for receiving the direct current output by the electric source unit and charging an externally connected storage battery; the state monitoring unit is used for acquiring state information of the electric source unit and the direct-current charging unit and monitoring the charging process of the direct-current charging unit. The device of the charging pile, disclosed by the invention, can directly supply power for externally connected storage batteries.

Description

A kind of charging pile device, system and charging method

Technical field

The present invention relates to technical field of electric power, particularly, relate to a kind of charging pile device, system and charging method.

Background technology

In order to alleviate resource environment constraint, reply Global climate change, the mode of promoting economic development changes, and builds a resource-conserving and environment-friendly society, and strengthens the capability of sustainable development, and China strengthens energy-saving and emission-reduction work energetically.LED street lamp replaces conventional road lamp, and the popularization of electric automobile is all the mode of worth advocating of energy savings.But, electric automobile nationwide popularize very limited, study carefully its main cause, infrastructure is the shortage of charging pile and the seriously delayed of charging station construction particularly, causes charging very inconvenient and directly cause consumer not high to the degree of recognition of electric automobile.And in order to adapt to the present situation of Alternating Current Power Supply, the electric automobile of the overwhelming majority at present, particularly electric household automobile is all with Vehicular charger, and its charge mode as shown in Figure 1.Because the charge in batteries for electric automobile needs Vehicular charger, such one side Vehicular charger adds cost and the heavy burden of electric automobile, Vehicular charger belongs to harmonic-producing load on the other hand, can produce harmonic current injection utility network, affect the quality of power supply.

Summary of the invention

The present invention is the defect in order to overcome charging electric vehicle inconvenience in prior art, according to an aspect of the present invention, proposes a kind of charging pile device.

According to a kind of charging pile device that the embodiment of the present invention provides, comprise: power subsystem, DC charging unit and Condition Monitoring Unit, power subsystem is connected with DC charging unit and is that DC charging unit is powered, and Condition Monitoring Unit is connected with DC charging unit with power subsystem;

Power subsystem, for receiving externally fed, processes the direct current of rear stable output to input voltage;

DC charging unit is also external charge in batteries for receiving the direct current of power subsystem output;

Condition Monitoring Unit for gathering the state information of power subsystem and DC charging unit, and is monitored the charging process of DC charging unit.

Preferably, charging pile device also comprises:

Communication unit, for uploading the state information that Condition Monitoring Unit gathers, and receives control command to control power subsystem and DC charging unit;

Communication unit is connected with Condition Monitoring Unit with power subsystem, DC charging unit.

Preferably, charging pile device also comprises: lighting unit;

Power subsystem provides galvanic current for lighting unit, and Condition Monitoring Unit is connected with lighting unit and gathers the state information of lighting unit.

Preferably, power subsystem comprises:

Direct current is carried out to the Voltage stabilizing module of voltage stabilizing process;

Receive stable DC electricity that Voltage stabilizing module exports and direct current be converted to the voltage changing module of multiple operating voltage.

Preferably, DC charging unit comprises:

For determining the charge control module of charge mode and control charging process;

Over-voltage over-current protection module during for occurring over-voltage and over-current phenomenon in charging process, DC charging unit and external storage battery protected;

For carrying out the metering and billing module of real time measure, charging and charge to charge in batteries.

Preferably, Condition Monitoring Unit comprises:

For gathering the information acquisition module of power subsystem and DC charging location mode information;

For carrying out the charged state monitoring modular of Real-Time Monitoring to charging process.

Preferably, lighting unit is LED street lamp.

Preferably, power subsystem also comprises: for external equipment provides the alternating-current charging interface of alternating current.

The charging pile device of the embodiment of the present invention, by directly for external storage battery provides direct current, directly can charge to the storage battery of electric automobile, not need through Vehicular charger, make electric automobile without the need to installing Vehicular charger, thus save the production cost of electric automobile.

The present invention is the defect in order to overcome charging electric vehicle inconvenience in prior art, according to another aspect of the present invention, proposes a kind of charging pile system.

According to a kind of charging pile system that the embodiment of the present invention provides, comprising: DC electrical network, charging pile device and main station system;

DC electrical network is used for carrying out rectifying and wave-filtering to electric main, the direct current obtained is carried out networking and provides direct current for charging pile device;

The direct current that charging pile device provides for obtaining DC electrical network is external charge in batteries after regulated transformer process; Charging pile device is also for uploading to main station system by state information and receiving the control command that main station system issues;

It is the charging process of external charge in batteries that main station system is used for monitoring charging pile device and charging pile device in real time.

Preferably, charging pile device comprises lighting unit.

Preferably, lighting unit is LED street lamp.

The charging pile system of the embodiment of the present invention, by setting up DC electrical network, directly for external storage battery provides direct current, can directly charge to the storage battery of electric automobile, do not need through Vehicular charger, make electric automobile without the need to installing Vehicular charger, thus save the production cost of electric automobile.

The present invention is the defect in order to overcome charging electric vehicle inconvenience in prior art, according to another aspect of the present invention, proposes a kind of charging method of charging pile.

According to the charging method of a kind of charging pile that the embodiment of the present invention provides, comprising:

Rectifying and wave-filtering is carried out to electric main, obtains direct current;

The direct current of acquisition is carried out networking, forms DC electrical network;

DC electrical network for access charging pile device direct current is provided;

When meeting charge condition, charging pile device is external charge in batteries.

Preferably, charging pile comprises lighting unit, and DC electrical network is also for this lighting unit provides direct current.

Preferably, lighting unit is LED street lamp.

Preferably, the method also comprises: the electric energy that generation of electricity by new energy produces is incorporated to DC electrical network, and above-mentioned new forms of energy comprise solar energy and wind energy.

The charging method of the charging pile of the embodiment of the present invention, by setting up DC electrical network, directly for external storage battery provides direct current, can directly charge to the storage battery of electric automobile, do not need through Vehicular charger, make electric automobile without the need to installing Vehicular charger, thus save the production cost of electric automobile.

Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

Accompanying drawing explanation

Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the schematic diagram of charging electric vehicle pattern of the prior art;

Fig. 2 is the first structural representation of charging pile device in the embodiment of the present invention;

Fig. 3 is the second structural representation of charging pile device in the embodiment of the present invention;

Fig. 4 is the structural representation of LED street lamp charging pile integrated apparatus in embodiment one;

Fig. 5 is the charging workflow diagram of LED street lamp charging pile integrated apparatus in embodiment one;

Fig. 6 is the illumination work flow chart of LED street lamp charging pile integrated apparatus in embodiment one;

Fig. 7 is the structural representation of charging pile system in the embodiment of the present invention;

Fig. 8 is the flow chart of charging pile charging method in the embodiment of the present invention.

Embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.

According to the embodiment of the present invention, provide a kind of charging pile device, Fig. 2 is the structural representation of charging pile device, comprising: power subsystem 101, DC charging unit 102 and Condition Monitoring Unit 103, wherein:

Power subsystem 101, for receiving externally fed, processes the direct current of rear stable output to input voltage, and is connected to DC charging unit 102 with DC charging unit 102 and provides direct current.The input voltage that said external is powered can be 220V/380V alternating current, also can be 300V direct current, and no matter input voltage is alternating current or is direct current, the direct current of power subsystem 101 stable output.The stable DC electricity that power subsystem 101 exports is mainly used in as DC charging unit 102 is powered, and simultaneously power subsystem 101 is also provided with the interface of multiple operating voltage, for for LED street lamp etc., other need the equipment of direct current supply to power.

DC charging unit 102, the direct current exported for receiving power subsystem 101 is also external charge in batteries.Wherein external storage battery comprises accumulator of electric car, battery-operated motor cycle storage battery and electric bike battery etc., when the storage battery of electric automobile or electric bicycle needs charging, storage battery is directly connected with DC charging unit 102, and not needing electric automobile to carry Vehicular charger like this can charge to the storage battery of electric automobile.

When DC charging unit 102 is to external charge in batteries, first judge whether to meet charge condition, whether such as storage battery is connected normal with DC charging unit 102, whether user's IC-card remaining sum of charging is enough etc., when all charge conditions all meet, DC charging unit 102 starts to prepare to charge to storage battery.DC charging unit 102 comprises two kinds of charge modes: real time charging pattern and timing charge mode.Real time charging pattern is exactly get started charging after storage battery is connected to DC charging unit 102, and timing charge mode is the time that user selects to start to charge, and when arriving the time of this selection, DC charging unit 102 starts to charge to storage battery again.Wherein, timing charge mode mainly conveniently utilizes time-of-use tariffs to charge, and generally selects the low ebb electricity price after night 12 to charge, thus while avoiding Peak power use, can also be user's power cost saving.

Condition Monitoring Unit 103, is connected with DC charging unit 102 with power subsystem 101, for gathering the state information of power subsystem 101 and DC charging unit 102, and monitors the charging process of DC charging unit 102.The input voltage of Condition Monitoring Unit 103 Real-Time Monitoring power subsystem 101 and output voltage, and the state information of Real-Time Monitoring DC charging unit 102; Particularly when DC charging unit 102 is for during for external charge in batteries, the cell voltage of Condition Monitoring Unit 103 Real-Time Monitoring charging voltage, charging current and storage battery, and the data such as the charging voltage of collection and charging current are returned to DC charging unit 102, make DC charging unit 102 can judge whether continue as charge in batteries.

In the embodiment of the present invention, the direct voltage of charging pile stable output is powered for needing galvanic external equipment, and such external equipment does not need extra rectification and filtration module, thus reduces AC-DC conversion number of times, can improve energy utilization rate; Meanwhile, when charging to external electric automobile, directly can charging to the storage battery of electric automobile, not needing through Vehicular charger, making electric automobile without the need to installing Vehicular charger, thus save the production cost of electric automobile; And electric automobile weight saving, power consumption reduces.

Preferably, shown in Figure 3, charging pile device also comprises: communication unit 104.Communication unit 104 is connected with Condition Monitoring Unit 103 with power subsystem 101, DC charging unit 102, for uploading the state information that Condition Monitoring Unit 103 gathers, and receives control command to control power subsystem 101 and DC charging unit 102.

Communication unit 104 utilizes communication that information is uploaded to main station system, be specially: the state information uploading power subsystem 101 and DC charging unit 102 in real time, and when DC charging unit 102 pairs of storage batterys charge, upload battery state of charge in real time; When power subsystem 101 also needs the equipment of direct current supply to power for other, communication unit 104 can also upload the information of powering for this equipment in real time.Meanwhile, communication unit 104 also receives the control command that main station system issues, and is used for controlling the output voltage of power subsystem 101 and controls whether DC charging unit 102 is storage battery power supply.Main station system can be realized to the unified management of charging pile device and monitoring by communication unit 104.

Preferably, said apparatus also comprises: lighting unit 105.Power subsystem 101 provides direct current for lighting unit 105, Condition Monitoring Unit 103 is connected with lighting unit 105 and gathers the state information of lighting unit 105 simultaneously, communication unit 104 is uploaded the state information of lighting unit 105 and is received control command, is controlled the break-make of lighting unit 105 by the operating voltage output interface controlling power subsystem 101.

This lighting unit 105 is specifically as follows LED street lamp, because power subsystem 101 is directly for LED street lamp provides direct current, therefore according to the charging pile device that the present embodiment provides, LED street lamp does not need rectification and filtration module, simplify the structure of LED street lamp and provide cost savings on the one hand, also avoid the energy loss in the inner switching process of LED street lamp on the other hand.The integration of LED street lamp charging pile can be realized by increasing lighting unit.

Preferably, power subsystem 101 also comprises alternating-current charging interface, for external equipment provides alternating voltage.Electric automobile with Vehicular charger can be also charge in batteries by this alternating-current charging interface.Be charge in batteries by Vehicular charger be prior art, do not describe in detail herein.

The structure of charging pile device and the charging process of charging pile device is introduced in detail below by embodiment one.

Embodiment one

In embodiment one, lighting unit 105 is LED street lamp, and the device that embodiment one provides is LED street lamp charging pile integrated apparatus.

The structure of LED street lamp charging pile integrated apparatus is shown in Figure 4.

Power subsystem 101 comprises Voltage stabilizing module 1011 and voltage changing module 1012; Voltage stabilizing module 1011 is for carrying out voltage stabilizing process to direct current; The stable DC electricity that voltage changing module 1012 exports for receiving Voltage stabilizing module 1011, and this direct current is converted to organizes operating voltage, for the control circuit of DC charging unit 102 and each unit is powered more.When externally fed is 300V direct current, power subsystem 101 directly carries out voltage stabilizing and transformation process by Voltage stabilizing module 1011 and voltage changing module 1012, obtains the operating voltage that many groups are different; When externally fed is 220V/380V alternating current, power subsystem 101 also comprises rectification module 1013, first rectification module 1013 carries out rectification process to the 220V/380V alternating current received, and the direct current obtained after rectification is carried out voltage stabilizing and transformation process by Voltage stabilizing module 1011 and voltage changing module 1012 again.

Power subsystem 101 also comprises protection module 1014, for when producing surge or short circuit phenomenon, protects power subsystem 101.

Concrete, Voltage stabilizing module 1011 can be pressurizer, and voltage changing module 1012 can be transformer, and protection module 1014 can be lightning protection device or circuit breaker, and its circuit structure is all prior art, does not describe in detail herein.

DC charging unit 102 comprises: charge control module 1021, over-voltage over-current protection module 1022 and metering and billing module 1023.Charge control module 1021 is for determining charge mode and controlling charging process; protect DC charging unit 102 and external storage battery when over-voltage over-current protection module 1022 for occurring over-voltage and over-current phenomenon in charging process, metering and billing module 1023 is for carrying out real time measure, charging and charge to charge in batteries.Wherein, charge control module 1021 and metering and billing module 1023 are all made up of ARM chip and peripheral circuit, and over-voltage over-current protection module 1022 is mainly lightning protection device, and its circuit structure is all prior art, does not describe in detail herein.

First charge control module 1021 determines charge mode according to the selection of user, and its charge mode comprises real time charging pattern and timing charge mode, starts as storage battery charges when meeting all charge conditions.Carrying out in the process of charging for storage battery, the cell voltage of charge control module 1021 Real-time Obtaining charging voltage, charging current and storage battery, according to charging current and cell voltage or determine whether to continue as charge in batteries according to system command.Metering and billing module 1023 is according to charging voltage and charging current, and periodically charging and charge, deducts the expense that user charges in IC-card.

Condition Monitoring Unit 103 comprises: information acquisition module 1031, LED street lamp monitoring module 1032 and charged state monitoring modular 1033.Information acquisition module 1031 is for gathering the state information of power subsystem 101, DC charging unit 102 and lighting unit 105; LED street lamp monitoring module 1032 is for controlling the break-make of lighting unit 105, and the control command that simultaneously can receive according to communication unit 104 returns the state of LED street lamp; Charged state monitoring modular 1033 is for carrying out Real-Time Monitoring to charging process.Condition Monitoring Unit 103 is primarily of ARM chip, transducer and peripheral circuit composition, and its structure is also prior art, does not describe in detail herein.

Communication unit 104 comprises: sending module 1041 and receiver module 1042.Sending module 1041, for the real-time state information uploading power subsystem 101, DC charging unit 102 and lighting unit 105 to main station system, uploads the state information of battery charging process in real time; The control command that receiver module 1042 issues for receiving main station system, is used for controlling the output voltage of power subsystem 101, controls whether DC charging unit 102 is storage battery power supply and the break-make controlling lighting unit 105.

In embodiment one, charging pile device and LED street lamp realize integration, and can realize charging pile is the function of charging electric vehicle and the function of street lighting simultaneously, and the resource of charging pile device is utilized effectively, and reduce the laying of LED street lamp circuit simultaneously.Power subsystem 101 direct output of DC current is that LED street lamp is powered, and therefore LED street lamp does not need rectification and filter circuit module, which not only simplifies the structure of LED street lamp, can solve the perishable problem of traditional LED street lamp rectifier simultaneously.

More than describe the structure of charging pile device in embodiment one in detail, introduce the workflow of charging pile device below.

Shown in Figure 5, the charging workflow of charging pile device is as follows:

Step 201: judge that whether charging connects normal, when connecting normal when charging, continues step 202, otherwise continue step 210.

Step 202: judge whether to insert charging IC-card, when inserting charging IC-card, continue step 203, otherwise continue step 210.

Step 203: judge whether the remaining sum of charging in IC-card exceedes the minimum charging amount of money, when remaining sum exceedes the minimum charging amount of money, continue step 204, otherwise continue step 211.

Step 204: DC charging unit is that the storage battery of electric automobile charges.

Step 205: measure and obtain charging voltage, charging current and cell voltage.

When DC charging unit is charge in batteries, above-mentioned charging voltage is the voltage at DC charging unit two ends, and in charging process, charging voltage remains unchanged; Charging current is the electric current of charge circuit; Cell voltage is the voltage at storage battery two ends.When just having started as charge in batteries, the magnitude of voltage of cell voltage is lower, because charging voltage remains unchanged, so the current value of charging current is larger; Along with DC charging unit is continuously charge in batteries, the magnitude of voltage of cell voltage is more and more higher, and corresponding charged electrical fails to be convened for lack of a quorum more and more less.

Step 206: when reaching predetermined period when charging, calculates the charging expense of current period, and deducts this charging expense from charging IC-card.

Predetermined period specifically can be set to 30S or 60S etc.Take predetermined period as 60S be example, when the charging interval that the storage battery that DC charging unit is electric automobile carries out charging arrives 60S, charging pile device calculates the charging expense in this cycle according to the charging voltage in this 60S and charging current, and deducts this charging expense from charging IC-card.Meanwhile, when reaching predetermined period when charging, the charging interval resets and reclocking, again resets and repeat above-mentioned process of deducting fees when the charging interval reaches next cycle.

Step 207: judge that whether cell voltage is higher than preset voltage value, when cell voltage is higher than preset voltage value, continues step 208, otherwise continues step 203.

Step 208: judge whether charging current is less than pre-set current value, when charging current is less than pre-set current value, continues step 209, otherwise continues step 203.

Step 209: point out charging complete and complete charge.

Step 210: forbid charging.

Step 211: balance amount prompting is not enough and complete charge.

Before the step 204, the charge mode can also selected according to user determines whether the charge in batteries continuing as electric automobile.Such as user is chosen as real time charging pattern, then perform step 204 immediately; If user is chosen as timing charge mode, then perform step 204 again when waiting until the time point that user sets.

In embodiment one, first charging pile device judges whether to meet the condition for external charge in batteries, when meeting all conditions, DC charging unit 102 is directly the charge in batteries of electric automobile, do not need through Vehicular charger, make electric automobile without the need to installing Vehicular charger, thus save the production cost of electric automobile; And electric automobile weight saving, power consumption reduces.

Achieve the integration of LED street lamp and charging pile in embodiment one, introduce the workflow of LED street lamp below in detail.

Shown in Figure 6, the workflow of lighting unit is as follows:

Step 301: communication unit receives the control command from main station system.

Step 302: judge whether control command is LED switch instruction, when control command is LED switch instruction, continues step 303, otherwise continues step 308.

Step 303: judge whether LED switch instruction is that LED opens instruction, when LED switch instruction be LED open instruction time, continue step 304, otherwise continue step 306.

Step 304: open LED street lamp.

Step 305: judge whether LED street lamp is opened after waiting for 60S, if LED street lamp is opened, then continues step 309, otherwise continues step 304.

Step 306: close LED street lamp.

Step 307: judge whether LED street lamp closes after waiting for 60S, if LED street lamp is closed, then continues step 309, otherwise continues step 306.

Step 308: judge whether control command is LED state query statement, when control command is LED state query statement, continues step 309.

Step 309: the state of LED street lamp is sent to main station system by communication unit.

In embodiment one, LED street lamp waits for that the control command of main station system carries out unifying switch management, and main station system can control the switch of LED street lamp by communication unit, and can the state of real-time query LED street lamp.Such as main station system controls LED street lamp and adopts different switching times in different seasons, and identical season is because different weather condition also can motor-driven adjustment switching time; In addition, the metropolitan haze situation such as Beijing, Shanghai is very serious, also significantly can have an impact to visibility, also can manage this motor-driven carrying out.In addition, utilization state monitoring means 103 realizes monitoring LED street lamp switch, realizes close loop control circuit, and main station system also can understand the switch conditions of LED street lamp timely.

The embodiment of the present invention also provides a kind of charging pile system, and as shown in Figure 7, this charging pile system comprises: low-voltage DC supply net 41, charging pile device 42 and main station system 43, wherein:

The direct current obtained, for carrying out rectifying and wave-filtering to electric main, is carried out networking and provides direct current for charging pile device 42 by low-voltage DC supply net 41;

The direct current that charging pile device 42 provides for obtaining low-voltage DC supply net 41 is external charge in batteries after regulated transformer process; State information is also uploaded to main station system 43 and receives the control command that main station system 43 issues by charging pile device 42;

Main station system 43 is for monitoring the charging process that charging pile device 42 and charging pile device 42 are external charge in batteries in real time.

220V/380V alternating current is converted to direct current by low-voltage DC supply net 41, or low-voltage DC supply net 41 provides the direct current of low-voltage for charging pile device 42.

Preferably, charging pile device 42 comprises lighting unit.This lighting unit is specifically as follows LED street lamp, thus realizes the integration of LED street lamp charging pile.

A kind of charging pile system that the embodiment of the present invention provides, first electric main is carried out rectifying and wave-filtering, the direct current obtained is carried out networking thus obtains low-voltage DC supply net, directly for charging pile device is powered on the basis of low-voltage DC supply net, the electric energy that the generation of electricity by new energy such as solar energy or wind energy produces also can be incorporated to above-mentioned low-voltage DC supply net, and then powers for charging pile.Above-mentioned charging pile system, by concentrating rectifying and wave-filtering, decreases AC-DC conversion number of times, thus improves conversion efficiency, improves energy utilization rate; Charging pile device does not need extra rectification filtering module simultaneously, can reduce costs, can also reduce failure rate while simplified structure.The integration of LED street lamp charging pile can also be realized by increasing lighting unit.

According to the embodiment of the present invention, provide a kind of charging method of charging pile, charging pile charging method flow process is shown in Figure 8, and charge step is as follows:

Step 501: carry out rectifying and wave-filtering to electric main, obtains direct current.

Step 502: the direct current of acquisition is carried out networking, forms low-voltage DC supply net.

Step 503: low-voltage DC supply net for access charging pile device DC power supply is provided.

Step 504: when meeting charge condition, charging pile device is external charge in batteries.

Preferably, the charging pile that the method provides also comprises lighting unit; In step 503, low-voltage DC supply net is also for lighting unit provides direct current.Concrete, this lighting unit is LED street lamp.Charging pile combines the function of illumination and charging, can realize the integration of LED street lamp charging pile.

In step 501 and step 502, also the new forms of energy such as solar energy or wind energy can be converted to suitable direct current, then the electric energy that generation of electricity by new energy produces is incorporated to low-voltage DC supply net, simultaneously because the new energy such as solar energy or wind energy is limited to extra power condition, generation of electricity by new energy can be stored.Charging pile device has multiple charge mode, and after user selects charge mode, namely charging pile device can be charge in batteries.

The charging method of a kind of charging pile that the embodiment of the present invention provides, based on the low-voltage DC supply net set up for charging pile provides DC power supply, therefore charging pile device does not need extra rectification filtering module, can reduce costs, and can also reduce failure rate while simplified structure; AC-DC conversion number of times can be reduced by setting up low-voltage DC supply net simultaneously, thus improve conversion efficiency, improve energy utilization rate.

The present invention can have multiple multi-form embodiment; above for Fig. 2-Fig. 8 by reference to the accompanying drawings to technical scheme of the present invention explanation for example; this does not also mean that the instantiation that the present invention applies can only be confined in specific flow process or example structure; those of ordinary skill in the art should understand; specific embodiments provided above is some examples in multiple its preferred usage, and the execution mode of any embodiment the claims in the present invention all should within technical solution of the present invention scope required for protection.

Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described by foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (15)

1. a charging pile device, it is characterized in that, comprise: power subsystem, DC charging unit and Condition Monitoring Unit, described power subsystem is connected with described DC charging unit and is that described DC charging unit is powered, and described Condition Monitoring Unit is connected with described DC charging unit with described power subsystem;
Described power subsystem, for receiving externally fed, processes the direct current of rear stable output to input voltage;
Described DC charging unit is also external charge in batteries for receiving the direct current of described power subsystem output;
Described Condition Monitoring Unit for gathering the state information of described power subsystem and described DC charging unit, and is monitored the charging process of described DC charging unit.
2. device according to claim 1, is characterized in that, also comprises:
Communication unit, for uploading the state information that described Condition Monitoring Unit gathers, and receives control command to control described power subsystem and described DC charging unit;
Described communication unit is connected with described Condition Monitoring Unit with described power subsystem, described DC charging unit.
3. device according to claim 1 and 2, is characterized in that, also comprises: lighting unit;
Described power subsystem provides galvanic current for described lighting unit, and described Condition Monitoring Unit is connected with described lighting unit and gathers the state information of described lighting unit.
4. device according to claim 1, is characterized in that, described power subsystem comprises:
Direct current is carried out to the Voltage stabilizing module of voltage stabilizing process;
Receive stable DC electricity that described Voltage stabilizing module exports and described direct current be converted to the voltage changing module of multiple operating voltage.
5. device according to claim 1, is characterized in that, described DC charging unit comprises:
For determining the charge control module of charge mode and control charging process;
Over-voltage over-current protection module during for occurring over-voltage and over-current phenomenon in charging process, described DC charging unit and external storage battery protected;
For carrying out the metering and billing module of real time measure, charging and charge to charge in batteries.
6. device according to claim 1, is characterized in that, described Condition Monitoring Unit comprises:
For gathering the information acquisition module of described power subsystem and described DC charging location mode information;
For carrying out the charged state monitoring modular of Real-Time Monitoring to charging process.
7. device according to claim 3, is characterized in that, described lighting unit is LED street lamp.
8. the device according to claim 1 or 4, is characterized in that, described power subsystem also comprises: for external equipment provides the alternating-current charging interface of alternating current.
9. a charging pile system, is characterized in that, comprising: DC electrical network, charging pile device and main station system;
Described DC electrical network is used for carrying out rectifying and wave-filtering to electric main, the direct current obtained is carried out networking and provides direct current for described charging pile device;
The direct current that described charging pile device provides for obtaining described DC electrical network is external charge in batteries after regulated transformer process; Described charging pile device is also for uploading to described main station system by state information and receiving the control command that described main station system issues;
It is the charging process of external charge in batteries that described main station system is used for the described charging pile device of monitoring and described charging pile device in real time.
10. system according to claim 9, is characterized in that, described charging pile device comprises lighting unit.
11. systems according to claim 10, is characterized in that, described lighting unit is LED street lamp.
The charging method of 12. 1 kinds of charging piles, is characterized in that, comprising:
Rectifying and wave-filtering is carried out to electric main, obtains direct current;
The described direct current obtained is carried out networking, forms DC electrical network;
Described DC electrical network for access charging pile device direct current is provided;
When meeting charge condition, described charging pile device is external charge in batteries.
13. methods according to claim 12, is characterized in that, also comprise:
Described charging pile comprises lighting unit, and described DC electrical network is also for described lighting unit provides direct current.
14. methods according to claim 13, is characterized in that, described lighting unit is LED street lamp.
15. methods according to claim 12, is characterized in that, also comprise: the electric energy that generation of electricity by new energy produces is incorporated to described DC electrical network, and described new forms of energy comprise solar energy and wind energy.
CN201310590961.8A 2013-11-21 2013-11-21 Device, system and charging method of charging pile CN104659849A (en)

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CN201310590961.8A CN104659849A (en) 2013-11-21 2013-11-21 Device, system and charging method of charging pile
PCT/CN2014/071984 WO2015074347A1 (en) 2013-11-21 2014-02-11 Charging pile apparatus and system, and charging method

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CN105634090A (en) * 2016-02-04 2016-06-01 任荣源 All-in-one integrated charging system
CN105634091A (en) * 2016-02-04 2016-06-01 任荣源 Intelligent electric vehicle charging pile
CN105953137A (en) * 2016-02-04 2016-09-21 任红霞 Multifunctional street lamp type charging pile
CN106195876A (en) * 2016-07-13 2016-12-07 国网天津市电力公司 A kind of green energy resource light pole of band electric automobile charging pile
WO2017143995A1 (en) * 2016-02-24 2017-08-31 中兴通讯股份有限公司 Street light integrating illumination, vehicle recharging, and wireless communication functions and method thereof

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CN105442979A (en) * 2015-12-28 2016-03-30 岑定业 Electric power storage type linear retractable door
CN105634090A (en) * 2016-02-04 2016-06-01 任荣源 All-in-one integrated charging system
CN105634091A (en) * 2016-02-04 2016-06-01 任荣源 Intelligent electric vehicle charging pile
CN105953137A (en) * 2016-02-04 2016-09-21 任红霞 Multifunctional street lamp type charging pile
WO2017143995A1 (en) * 2016-02-24 2017-08-31 中兴通讯股份有限公司 Street light integrating illumination, vehicle recharging, and wireless communication functions and method thereof
CN106195876A (en) * 2016-07-13 2016-12-07 国网天津市电力公司 A kind of green energy resource light pole of band electric automobile charging pile

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