CN106685030A - Low-cost charging pile capable of storing energy at low valley of power grid for electric vehicle - Google Patents

Low-cost charging pile capable of storing energy at low valley of power grid for electric vehicle Download PDF

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Publication number
CN106685030A
CN106685030A CN201710075022.8A CN201710075022A CN106685030A CN 106685030 A CN106685030 A CN 106685030A CN 201710075022 A CN201710075022 A CN 201710075022A CN 106685030 A CN106685030 A CN 106685030A
Authority
CN
China
Prior art keywords
switch
control unit
battery
output
module group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710075022.8A
Other languages
Chinese (zh)
Inventor
田绍民
黄戬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Ding Xin New Energy Technology Co Ltd
Original Assignee
Shanghai Ding Xin New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Ding Xin New Energy Technology Co Ltd filed Critical Shanghai Ding Xin New Energy Technology Co Ltd
Priority to CN201710075022.8A priority Critical patent/CN106685030A/en
Publication of CN106685030A publication Critical patent/CN106685030A/en
Pending legal-status Critical Current

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Classifications

    • H02J7/022—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0027—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

Abstract

The invention discloses a low-cost charging pile capable of storing energy at a low valley of a power grid for an electric vehicle and relates to the technical field of charging of electric vehicles. The low-cost charging pile comprises a main switch, an output contactor, a battery pack, a charging interface, a control unit and a power module group with compatibility of alternating-current and direct-current input, wherein the main switch, the power module group, the output contactor and the charging interface are connected in sequence and in series; a charging port of the battery pack is connected at the output end of the power module group by a battery charging switch; the output end of the battery pack is connected with the input end of the power module group by a battery output switch; the signal input end of the control unit is connected with the battery pack; and the signal output end of the control unit is respectively connected with the main switch, an output relay, the battery charging switch and the battery output switch. The low-cost charging pile disclosed by the invention has the advantages that the battery is charged for storing the energy by utilizing the idle time of the charging pile at night, so that the utilization rate of the charging pile for the electric vehicle is greatly increased and the resource is utilized more effectively and reasonably.

Description

A kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging pile
Technical field
The present invention relates to electric motor car charging technique field, specially a kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging Stake.
Background technology
In the environment of low-carbon (LC) life environmental protection is advocated at present, the development of electric automobile reaches its maturity, at present, electronic vapour Car commercially large-scale popularization, a large amount of batteries of electric automobile decay can not meet afterwards to a certain extent course continuation mileage requirement, And these batteries can also adopt trickle charge mode life-time service less than the degree scrapped, how these substantial amounts are processed Half used batteries, being one has very big pollution and needs a difficult problem for high processing cost.
Simultaneously electric automobile charging pile operator need by provide charging service reclaim electrically-charging equipment construction cost and Realize profit.And charging service needs electric cost, electric cost how is reduced, to enterprise profit is brought, needed fully rationally The timesharing of utilization peak valley ordinary telegram valency utilize electrical network electric energy.
Have been obtained for being widely applied and develop currently with solaode energy storage inversion grid connection, but energy storage is grid-connected Need for battery DC to be reverse into exchange（DC/AC inverters）Just can be connected to the grid, equipment cost is high, rate of return on investment is very It is low.
With the development of power technology, exchange is turned the rectification module power supply of direct current and has been realized in be input into compatible with alternating With direct current input.
The content of the invention
The invention aims to overcome the defect in background technology, there is provided a kind of low cost, old and useless battery weight is realized It is multiple to utilize, it is not necessary to which that direct current delivers stream inversion system, by the electric automobile charging pile for rationally profit being realized using time-of-use tariffs.
Realizing the technical scheme of above-mentioned purpose is：A kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging pile, its feature It is：Including the power supply of master switch, output contactor, set of cells, charging inlet and control unit, compatible with alternating and direct current input Module group；
The master switch, power module group, output contactor and charging inlet are sequentially connected in series, and the charging port of the set of cells leads to The outfan that battery charge switch is connected to power module group is crossed, the outfan of set of cells connects power supply by battery output switch The input of module group；
The signal input part connection set of cells of control unit, by control unit the operational factor of set of cells is detected；
The signal output part of control unit connects respectively master switch, output relay, battery charge switch, battery output switch, The break-make of connection master switch, output relay, battery charge switch, battery output switch is controlled by control unit.
Further, the signal output part of described control unit connects power module group simultaneously, by control unit control The mode of operation of power module group.
Further, the operational factor of the set of cells includes electricity, voltage, electric current and temperature.
The operation principle of the present invention will be illustrated in specific embodiment part.
Beneficial effects of the present invention：
1st, the present invention solves the used batteries of a large amount of electric motor cars half and processes the difficult problem for reclaiming, it is no longer necessary to spend high cost recovery Process, be more beneficial for the industry development of new energy electric motor vehicle.
2nd, the present invention is charged the battery using night electrical network off-peak electricity price period using small current trickle charge mode, can be effective Extend the service life of battery, the environmental pollution that significantly more efficient reduction old and useless battery is caused.
3rd, the present invention can directly using existing charging pile mature technology and equipment, and adopting can be with compatible with alternating and direct current The power module of input, without the need for extra high direct current stream inversion system, low cost, simple system reliability, investment repayment are delivered Rate is high.
4th, the present invention is charged the battery energy storage using night electrical network off-peak electricity price period, and peak value rate period is using battery storage Directly DC-DC can charge to electric motor car, not only reduce the equipment investment cost that direct current turns ac converter, while reducing Direct current turns ac converter, and exchange turns again the kwh loss of DC rectifier so that have the effect of reality using electrical network low ebb energy storage Benefit, really realizes that charging service profit is possibly realized to charging pile operation enterprise.
5th, using charging pile free time at night charge the battery energy storage charge so that the utilization rate of charging pile for electric vehicle is big Width is improved, and resource obtains more effectively more reasonably utilizing.
Description of the drawings
Fig. 1 is the theory diagram of the present invention.
Specific embodiment
As shown in figure 1, Low-cost electric electrical automobile electrical network low ebb energy storage charging pile 200 includes master switch 202, output contactor 204th, set of cells 209, charging inlet 205 and control unit 206, compatible with alternating and the power module group 203 of direct current input.
Master switch 202, power module group 203, output contactor 204 and charging inlet 205 are sequentially connected in series, master switch 202 Input connection AC network 201, charging inlet 208 be used for connection charge electric motor car 207.
The charging port of set of cells 209 is connected to the outfan of power module group 203, electricity by battery charge switch 208 The outfan of pond group 209 connects the input of power module group 203 by battery output switch 210.
The signal input part connection set of cells 209 of control unit 206, control unit 209 can be using normal in prior art PLC or single-chip microcomputer, the operational factors such as electricity, voltage, electric current, the temperature of set of cells 209 are detected by control unit 206.
The signal output part of control unit 206 connects respectively master switch 202, output relay 204, battery charge switch 208th, battery output switch 210, is charged and is opened by the control connection master switch 202 of control unit 206, output relay 204, battery Close the 208, break-make of battery output switch 210.
The signal output part of control unit 206 connects power module group 203 simultaneously, and by control unit 206 power supply is controlled The mode of operation of module group 203, the mode of operation of power module group 203 turns DC operation pattern and DC-DC including exchange Mode of operation.
The operation principle of the present invention：
When in electrical network off-peak electricity price period, control unit 206 detects the state of charge of set of cells 209, when set of cells 209 During electricity unsaturation, charge to set of cells 209 between automatically selecting charging pile at one's leisure, i.e. the control of control unit 206 closure master Switch 202 and battery charge switch 208, disconnect battery output switch 210 and output contactor 204（Meet and more than two-way export Charging pile can close output contactor 204 while charge to electric motor car 207）, the now control of control unit 206 power module Group 203 is operated in exchange and turns DC operation pattern（AC/DC）, charged to set of cells 209 by AC network 201.
When in electrical network peak value rate period, control unit 206 detects the state of charge of set of cells 209, when set of cells 209 Electricity it is sufficient when, automatically select and charged to electric motor car 207 using the electricity of set of cells 209, be i.e. the control of control unit 206 closure Battery output switch 210 and output contactor 204, disconnect master switch 202 and battery charge switch 208, now control unit 206 Control power module group 203 is operated in DC-DC mode of operation（DC/DC）, by the power supply of set of cells 209 to electric motor car 207 charge.

Claims (3)

1. a kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging pile, it is characterised in that：Including master switch, output contactor, The power module group of set of cells, charging inlet and control unit, compatible with alternating and direct current input；
The master switch, power module group, output contactor and charging inlet are sequentially connected in series, and the charging port of the set of cells leads to The outfan that battery charge switch is connected to power module group is crossed, the outfan of set of cells connects power supply by battery output switch The input of module group；
The signal input part connection set of cells of control unit, by control unit the operational factor of set of cells is detected；
The signal output part of control unit connects respectively master switch, output relay, battery charge switch, battery output switch, The break-make of connection master switch, output relay, battery charge switch, battery output switch is controlled by control unit.
2. a kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging pile according to claim 1, it is characterised in that：It is described The signal output part of control unit connects power module group simultaneously, and by control unit the mode of operation of power module group is controlled.
3. a kind of Low-cost electric electrical automobile electrical network low ebb energy storage charging pile according to claim 1, it is characterised in that：It is described The operational factor of set of cells includes electricity, voltage, electric current and temperature.
CN201710075022.8A 2017-02-13 2017-02-13 Low-cost charging pile capable of storing energy at low valley of power grid for electric vehicle Pending CN106685030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710075022.8A CN106685030A (en) 2017-02-13 2017-02-13 Low-cost charging pile capable of storing energy at low valley of power grid for electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710075022.8A CN106685030A (en) 2017-02-13 2017-02-13 Low-cost charging pile capable of storing energy at low valley of power grid for electric vehicle

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Publication Number Publication Date
CN106685030A true CN106685030A (en) 2017-05-17

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108134419A (en) * 2017-12-25 2018-06-08 珠海银隆电器有限公司 A kind of charging equipment charge control system and charging equipment
CN108667056A (en) * 2018-03-29 2018-10-16 东莞市丸红电子有限公司 A kind of Pinggu new energy Che Feng energy-saving and power-storage charging equipment
CN108674247A (en) * 2018-07-16 2018-10-19 上海上汽安悦充电科技有限公司 Energy storage type freely links DC charging system
CN109130940A (en) * 2018-09-25 2019-01-04 迟同胜 charging method and device
CN110001446A (en) * 2019-03-01 2019-07-12 国充充电科技江苏股份有限公司 Integrated energy dynamics distribution system and control strategy are filled in the high-effect storage of one kind
CN110712556A (en) * 2019-10-12 2020-01-21 国网北京市电力公司 Energy storage charging pile capable of reserving electricity utilization and control method thereof
CN111688520A (en) * 2020-06-09 2020-09-22 西安交通大学 Photoelectric coupling utilization intelligent charging pile and method based on energy storage of retired battery
CN112572218A (en) * 2020-12-23 2021-03-30 尚廉智能科技(上海)有限公司 Energy-saving energy storage charging pile
CN112706645A (en) * 2020-12-23 2021-04-27 尚廉智能科技(上海)有限公司 Charging and discharging management method and system for energy-saving energy storage charging pile

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CN102122830A (en) * 2010-12-02 2011-07-13 广东中商国通电子有限公司 Charging mechanism for electric vehicles
CN205004812U (en) * 2015-07-24 2016-01-27 吉林省华电自动化工程有限责任公司 Charging pile for electric vehicle
CN105827004A (en) * 2016-05-11 2016-08-03 北京智新宏业科技有限公司 Charging pile for electric car
CN205945109U (en) * 2016-06-08 2017-02-08 佛山市康维能源科技有限公司 Utilize batteries of electric vehicle's energy storage charging system
CN206585370U (en) * 2017-02-13 2017-10-24 上海鼎充新能源技术有限公司 A kind of Low-cost electric electrical automobile power network low ebb energy storage charging pile

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN102122830A (en) * 2010-12-02 2011-07-13 广东中商国通电子有限公司 Charging mechanism for electric vehicles
CN205004812U (en) * 2015-07-24 2016-01-27 吉林省华电自动化工程有限责任公司 Charging pile for electric vehicle
CN105827004A (en) * 2016-05-11 2016-08-03 北京智新宏业科技有限公司 Charging pile for electric car
CN205945109U (en) * 2016-06-08 2017-02-08 佛山市康维能源科技有限公司 Utilize batteries of electric vehicle's energy storage charging system
CN206585370U (en) * 2017-02-13 2017-10-24 上海鼎充新能源技术有限公司 A kind of Low-cost electric electrical automobile power network low ebb energy storage charging pile

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108134419A (en) * 2017-12-25 2018-06-08 珠海银隆电器有限公司 A kind of charging equipment charge control system and charging equipment
CN108667056A (en) * 2018-03-29 2018-10-16 东莞市丸红电子有限公司 A kind of Pinggu new energy Che Feng energy-saving and power-storage charging equipment
WO2019184326A1 (en) * 2018-03-29 2019-10-03 东莞市丸红电子有限公司 Peak-valley energy-saving electricity storage and charging device for new energy vehicle
CN108674247A (en) * 2018-07-16 2018-10-19 上海上汽安悦充电科技有限公司 Energy storage type freely links DC charging system
CN109130940A (en) * 2018-09-25 2019-01-04 迟同胜 charging method and device
CN110001446A (en) * 2019-03-01 2019-07-12 国充充电科技江苏股份有限公司 Integrated energy dynamics distribution system and control strategy are filled in the high-effect storage of one kind
CN110001446B (en) * 2019-03-01 2020-05-29 国充充电科技江苏股份有限公司 High-efficiency energy dynamic distribution system integrating storage and charging and control strategy
CN110712556A (en) * 2019-10-12 2020-01-21 国网北京市电力公司 Energy storage charging pile capable of reserving electricity utilization and control method thereof
CN111688520A (en) * 2020-06-09 2020-09-22 西安交通大学 Photoelectric coupling utilization intelligent charging pile and method based on energy storage of retired battery
CN112572218A (en) * 2020-12-23 2021-03-30 尚廉智能科技(上海)有限公司 Energy-saving energy storage charging pile
CN112706645A (en) * 2020-12-23 2021-04-27 尚廉智能科技(上海)有限公司 Charging and discharging management method and system for energy-saving energy storage charging pile
CN112572218B (en) * 2020-12-23 2022-03-29 尚廉智能科技(上海)有限公司 Energy-saving energy storage charging pile

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