CN113715651A - Distributed charging pile capable of changing electricity and storing energy - Google Patents

Distributed charging pile capable of changing electricity and storing energy Download PDF

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Publication number
CN113715651A
CN113715651A CN202010449971.XA CN202010449971A CN113715651A CN 113715651 A CN113715651 A CN 113715651A CN 202010449971 A CN202010449971 A CN 202010449971A CN 113715651 A CN113715651 A CN 113715651A
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CN
China
Prior art keywords
power generation
portable power
junction box
charging pile
electrically connected
Prior art date
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Pending
Application number
CN202010449971.XA
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Chinese (zh)
Inventor
娄静
胡志攀
张伟强
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.)
Guangdong Yiding New Energy Vehicle Co ltd
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Guangdong Yiding New Energy Vehicle Co ltd
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Publication date
Application filed by Guangdong Yiding New Energy Vehicle Co ltd filed Critical Guangdong Yiding New Energy Vehicle Co ltd
Priority to CN202010449971.XA priority Critical patent/CN113715651A/en
Publication of CN113715651A publication Critical patent/CN113715651A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • 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
    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • 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
    • 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
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a distributed electricity-exchanging energy-storage charging pile, which comprises: the portable power generation device comprises a portable power generation device, a junction box for realizing parallel output of a plurality of portable power generation devices, a bidirectional inverter for realizing reversible conversion of direct current and alternating current, and a junction box for connecting an electric automobile. The portable power generation devices are respectively and electrically connected with the junction box through connecting wire harnesses, the bidirectional inverter is respectively and electrically connected with the junction box and the junction box, and the bidirectional inverter is electrically connected with the commercial power/a bypass. Electric energy storage fills electric pile is traded to distributing type still includes the installation cabinet, will install the cabinet internal partitioning through the interlayer and become a plurality of accommodation space in the installation cabinet. The distributed battery-replacing energy-storing charging pile provided by the invention can use the portable power generation device as a standby power supply to supplement power for the electric vehicle under the condition of no commercial power/bypass.

Description

Distributed charging pile capable of changing electricity and storing energy
Technical Field
The invention relates to the technical field of electric automobile charging, in particular to a distributed battery-switching energy-storage charging pile.
Background
With the shortage of petroleum resources and the development of battery technology, a new generation of energy-saving and environment-friendly automobiles represented by electric automobiles becomes a necessary trend for the development of the automobile industry. With the development of electric vehicles, public charging devices are increasingly in demand. At present, public charging devices mainly comprise a centralized charging station and a fixed charging pile. The centralized charging station needs to be provided with a special line and electric equipment, has large floor area and high manufacturing cost, and cannot be flexibly configured along with public facilities such as roads, parking lots, communities and the like. Fixed electric pile that fills is mostly installed in the parking area, but fixed electric pile that fills can not remove to fixed electric pile that fills does not possess stand-by power supply and leads to it can not work under no commercial power condition.
Aiming at the technical problems of the existing public charging device, the invention provides a distributed type battery-switching energy-storage charging pile.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a stake of charging is traded to distributing type electricity energy storage, includes:
a portable power generation device;
the confluence box is used for realizing parallel output of a plurality of portable power generation devices;
the bidirectional inverter realizes reversible conversion of direct current and alternating current:
and a junction box for connecting the electric vehicle.
The portable power generation devices are electrically connected with the confluence box through connecting wire harnesses respectively. The bidirectional inverter is respectively electrically connected with the junction box and the junction box, and is simultaneously electrically connected with the commercial power/the bypass.
Electric pile is filled in distributed electricity conversion energy storage still includes an installation cabinet, will install cabinet internal partitioning through the interlayer and become a plurality of accommodation space in the installation cabinet, for the ease of distinguishing in this application, will be used for installing portable power generation facility's accommodation space and mark as "first accommodation space", will be used for installing the accommodation space of two-way inverter and mark as "second accommodation space".
In an embodiment, a plurality of accommodating spaces are stacked inside the installation cabinet, and each accommodating space comprises a first accommodating space and a plurality of second accommodating spaces, wherein the first accommodating space is arranged at the top, and the junction box is arranged inside the first accommodating space for facilitating arrangement of the connecting wire harnesses.
In one embodiment, the bottom of the mounting cabinet is provided with universal wheels, so that the mounting cabinet is convenient to carry and move. Meanwhile, in order to increase the safety performance of the installation cabinet, the protection requirement of IP56 can be met when the installation cabinet is fully closed. The mounting cabinet can be moved to the outside or can be fixedly mounted to the inside.
The bidirectional inverter is electrically connected with the portable power generation device through the junction box, and is electrically connected with the electric vehicle to be charged through the junction box. Specifically, the terminal box can be through connecting rifle head and electric motor car electric connection that charges, thereby the terminal box also can set up connecting plug and connect the electric motor car through the electric motor car from the connecting wire that charges of taking, thereby perhaps the terminal box can connect simultaneously and charge the rifle head and set up connecting plug and increase the suitability. The junction box has the technical effect of the adapter, so that any junction box applied to the charging pile disclosed in the prior art can be adopted in the junction box disclosed in the invention.
The distributed electricity-exchanging energy-storage charging pile provided by the invention has the following specific working conditions:
s1, the bidirectional inverter is electrically connected with the commercial power/bypass, under the condition that the commercial power/bypass is not disconnected, an operator connects the distributed power conversion and energy storage charging pile with the electric vehicle, and at the moment, the bidirectional inverter establishes the electrical connection between the commercial power/bypass and the electric vehicle so as to supplement power for the electric vehicle;
s2, under the condition that the commercial power/the bypass is not disconnected, the bidirectional inverter is electrically connected with the portable power generation device through the junction box, and at the moment, the bidirectional inverter converts the commercial power/the bypass into direct current so as to supplement the power for the portable power generation device until the portable power generation device reaches a full power state;
and S3, under the condition that the commercial power/the bypass is disconnected, the operator connects the distributed power conversion and energy storage charging pile with the electric vehicle, and the bidirectional inverter converts the direct current output by the portable power generation device into alternating current to be output to the electric vehicle for power supplement.
The distributed type electricity-changing and energy-storing charging pile provided by the invention can use the portable power generation device as a standby power supply to supply electricity to the electric vehicle under the condition of no commercial power/bypass, directly supply electricity to the electric vehicle through the commercial power/bypass under the condition of commercial power/bypass, and supply electricity to the portable power generation device through the commercial power/bypass when the distributed type electricity-changing and energy-storing charging pile is not connected with the electric vehicle under the condition of commercial power/bypass. If the condition that commercial power/bypass disconnection occurs when the distributed electricity conversion and energy storage charging pile directly supplies electricity to the electric vehicle through commercial power/bypass, the portable power generation device can be electrically connected with the electric vehicle through the bidirectional inverter quickly so as to realize the conversion of a power supply.
The portable power generation device is detachably connected with the installation cabinet, so that an operator can replace the portable power generation device in the distributed power conversion and energy storage charging pile when the portable power generation device breaks down or is aged. The portable power generation device comprises a shell, wherein a control assembly and an energy storage assembly are arranged in the shell, and an on-off switch, an indicator lamp, a remote monitoring terminal and a connecting plug-in are arranged on the shell. The control assembly is respectively and electrically connected with the energy storage assembly, the on-off switch, the indicating lamp, the remote monitoring terminal and the connecting plug-in. The indicating lamps at least comprise an electric quantity indicating lamp, a fault indicating lamp and a working state indicating lamp.
In one embodiment, the on-off switch and the indicator lamp are arranged on the front end face of the shell, so that an operator can conveniently contact and observe the switch. An operator presses the on-off switch to control the on-off of the electrical connection between the portable power generation device and the bidirectional inverter.
In one embodiment, the remote monitoring terminal and the connecting plug are arranged on the side surface of the shell, and the connecting wire harness is electrically connected with the portable power generation device and the junction box through the connecting plug.
In one embodiment, the connecting plug arranged on the shell is a direct current output Anderson plug. The convergence box is provided with a plurality of direct current output Anderson plug-ins, and the number of the direct current output Anderson plug-ins arranged on the convergence box is the upper limit of the number of the convergence box which can be electrically connected with the portable power generation device.
The bidirectional inverter comprises an isolation power supply circuit, a DC/AC conversion circuit, an STS static transfer switch and a bypass detection circuit which are connected in sequence. The bidirectional inverter is electrically connected with the junction box through the isolation power circuit. The DC/AC conversion circuit is used for realizing the conversion of direct current/alternating current. The STS static transfer switch is mainly used for switching power supplies of two paths of power supplies and is an automatic switching system for power supply alternative, and under the normal working state, under the condition that a mains supply/a bypass is not disconnected, a load is always connected to the mains supply/the bypass; under the condition that the commercial power/bypass is switched from connection to disconnection, the load is automatically switched to the portable power generation device; in case the mains/bypass is switched from off to on, the load is automatically switched to mains/bypass. The bypass detection circuit is used for detecting the on-off condition of the mains supply/the bypass. The bidirectional inverter is respectively and electrically connected with the commercial power/bypass and the junction box through the bypass detection circuit.
As a further improvement, the invention also provides a monitoring system suitable for the distributed electricity-exchanging and energy-storing charging pile, which is used for remotely monitoring a plurality of distributed electricity-exchanging and energy-storing charging piles which are distributed dispersedly.
The monitoring center is used for centrally managing and controlling the charging pile and the running state information thereof, uniformly managing and controlling the time-sharing or real-time electricity price information of the charging pile, and collecting and managing the electric energy metering and charging information of the charging pile.
The portable power generation device is in communication connection with the subarea monitoring terminal through the remote monitoring terminal, the wireless communication module is arranged in the junction box, and the junction box is in communication connection with the subarea monitoring terminal through the wireless communication module. The subarea monitoring terminal is used for collecting and storing the data of a plurality of scattered charging piles in a certain area in a centralized manner, forwarding the data to the monitoring center according to a predetermined mode, and forwarding a monitoring instruction issued by the monitoring center to the charging piles.
The junction box is used for monitoring, managing and protecting the charging process of the charging pile, metering and charging the charging electric energy, collecting and uploading the running state information and the metering and charging information of the charging pile to the subarea monitoring terminal, and receiving and executing a monitoring instruction issued by the monitoring center. The junction box also uploads the position information of the junction box to the subarea monitoring terminal through the wireless communication module, and the position information is the position information of the distributed battery replacement energy storage charging pile. When the distributed battery replacement energy storage charging pile breaks down, the monitoring center obtains the position information of the broken distributed battery replacement energy storage charging pile through the subarea monitoring terminal, and sends out alarm and position information to an operator, and the operator positions the distributed battery replacement energy storage charging pile through the position information sent by the monitoring center to maintain.
The control assembly of the portable power generation device uploads the running state information and the position information of the portable power generation device to the subarea monitoring terminal through the remote monitoring terminal. When the portable power generation device fails, the monitoring center obtains the position information of the failed portable power generation device through the partition monitoring terminal and sends an alarm and position information to an operator, and the operator positions the portable power generation device which sends the failure through the position information sent by the monitoring center so as to maintain or replace the portable power generation device.
The monitoring center communicates with the subarea monitoring terminals by adopting Ethernet communication. When the optical fiber Ethernet construction condition is not satisfied, wireless communication technologies such as a wireless public network GPRS/CDMA and the like are adopted, so that the safety, stability and reliability of transmission are ensured.
The communication between the subarea monitoring terminal and the portable power generation device and the junction box adopts wireless communication technologies such as GPRS/CDMA, Zigbee, RFID and the like.
The monitoring center comprises a monitoring host and a monitoring front-end processor. The monitoring host and the monitoring front-end processor adopt dual redundancy configuration. The monitoring host integrates all monitoring, controlling and managing functions of the monitoring center. The monitoring front-end processor is used for carrying out unified acquisition of data.
The subarea monitoring terminal comprises a control processor unit, a memory unit electrically connected with the control processor unit, an uplink communication interface unit, a downlink communication interface unit, a GPS positioning unit and an antenna thereof, and a management and maintenance interface unit. The memory is used for storing data information sent by the portable power generation device and the junction box.
The uplink communication interface unit is a network interface module or/and a GPRS/CDMA wireless communication module, and realizes the communication function with the monitoring center.
The downlink communication interface unit is a receiving module and realizes communication with the portable power generation device and the junction box of the distributed battery-replacing energy-storing charging pile.
The GPS positioning unit is arranged for facilitating the timely maintenance and overhaul of the partitioned monitoring terminal, and the control processing unit establishes connection through the GPS positioning unit and the antenna, so that the positioning is carried out and the positioning information is returned when the monitoring center calls for the time or according to the preset condition. Through the GPS positioning unit, the approximate geographical range of a certain portable power generation device and a junction box connected with the subarea monitoring terminal can be easily obtained, so that the technical effect of anti-theft tracking is achieved.
The management maintenance interface unit is an RS232 interface module or a USB interface module and is used for establishing connection with the portable computer. The system maintenance personnel can inquire and maintain the regional monitoring terminal or the charging pile connected with the regional monitoring terminal through the management and maintenance interface unit.
During specific implementation, the partitioned monitoring terminals are configured according to the scale and the number of distributed charging piles in a certain geographic area, and are responsible for data transmission and storage between the distributed charging piles and the monitoring center.
And the control assembly in the portable power generation device is in communication connection with the remote monitoring terminal through an RS485 communication line.
The junction box is integrated with a main controller CPU, a charging loop main control switch electrically connected with the main controller CPU, a charging socket, a human-computer interaction device, a communication device, electric energy metering equipment and a card reader.
The main control CPU controls the processor chip by ARM7 or ARM 9.
The main control switch and the charging socket of the charging loop are main components of the charging loop of the electric automobile. Generally, an electric vehicle charging loop is formed by connecting a main control switch, a protection circuit and a charging socket, is powered by a portable power generation device or a mains supply/bypass, is connected to an electric vehicle charging interface through a cable assembly, and provides a power supply for charging an electric vehicle battery pack. The charging loop main control switch is controlled to be opened and closed by a main control CPU.
The charging socket comprises a data interface and a power interface which are connected with the electric automobile. The connection of the charging socket and the main control CPU means the connection of a data interface thereof and the main control CPU. The main control CPU can acquire a connection confirmation signal of the charging socket and the electric automobile through a data interface of the charging socket, so that the connection condition of the charging socket and the electric automobile is known.
The electric energy metering equipment is connected with the main controller CPU through an RS485 interface, and provides information such as electric automobile charging electric energy. The electric energy metering equipment is electrically connected with the electric automobile charging loop, so that the charging electric energy of the electric automobile is metered, and the voltage and current information can be measured.
The card reader is used for reading and writing data of the charging value card. Preferably, the card reader is a card-swallowed card reader. The main controller CPU reads the charging electric quantity information of the electric automobile through the electric energy metering equipment and reads and writes the charging value card information through the card reader, so that the metering and charging of the electric automobile charging are realized.
As a further improvement of the invention, the technical scheme of the card reader can be replaced by the technical scheme of the existing two-dimensional code scanning.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
Fig. 1 is an internal front view of a distributed charging pile for replacing power and storing energy according to an embodiment of the present invention.
Fig. 2 is an internal perspective view of the distributed battery-swapping energy-storage charging pile according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a portable power generation device according to an embodiment of the present invention.
Fig. 4 is a front view of a portable power generation device according to an embodiment of the present invention.
Fig. 5 is a left side view and a top view of a portable power generation device according to an embodiment of the invention.
Fig. 6 is a schematic diagram of an internal circuit structure of a portable power generation device according to an embodiment of the present invention.
Fig. 7 is a schematic circuit structure diagram of a distributed charging pile for replacing power and storing energy according to an embodiment of the present invention.
Fig. 8 is a front view of a bidirectional inverter according to an embodiment of the present invention.
Fig. 9 is a schematic connection diagram of a bidirectional inverter according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
As shown in fig. 1-2, a distributed charging pile for changing electricity and storing energy provided by an embodiment of the invention includes an installation cabinet 1, and universal wheels 13 are disposed at four corners of the bottom of the installation cabinet 1. The installation cabinet 1 is internally divided into three stacked accommodating spaces through interlayers, including being located the first accommodating space 11 and two second accommodating spaces 12 in top, the first accommodating space 11 internally mounted has a junction box 3 and a bidirectional inverter 4, the second accommodating space 12 internally mounted has a portable power generation device 2, and a junction box 5 runs through and is arranged on the side wall of the first accommodating space 11. The two portable power generation devices 2 are electrically connected with the junction box 3 through the connecting wire harness 6. The bidirectional inverter 4 is electrically connected to the junction box 3 by a connection harness 6, and the bidirectional inverter 4 is electrically connected to the junction box 5 and the mains/bypass (not shown in fig. 1 and 2). The end face of the junction box 5 far away from the bidirectional inverter 4 is provided with a connecting plug 51, one end of a charging connecting wire carried by an electric vehicle is inserted into the connecting plug 51 by an operator, and the other end of the charging connecting wire is connected with a charging port of the electric vehicle so as to charge.
As shown in fig. 3 to 6, the portable power generation apparatus 2 is provided with first connection holes 21 at four corners of the bottom thereof, and a first mating connection hole (not shown) is provided on the bottom end surface inside the second accommodation space 12, and the detachable connection of the first connection hole 21 and the first mating connection hole is realized by using a screw connector. The portable power generation device 2 comprises a housing 22, and a control assembly 23 and an energy storage assembly 24 are arranged inside the housing 22. In this embodiment, the portable power generation device 2 may be regarded as a battery PACK, and includes integrating an energy storage battery (corresponding to the energy storage component 24) and a battery management system (corresponding to the control component 23), and the specific structure of the control component 23 and the energy storage component 24 may adopt any battery PACK technical solution disclosed in the prior art. The energy storage assembly 24 is a battery module, and the control assembly 23 is a BMS board (specific model is BLM-M01A-YD 100). The control assembly 23 is electrically connected with the energy storage assembly 24, and the control assembly 23 is connected with the energy storage assembly 24 through a voltage sampling line and a temperature sampling line so as to acquire voltage and temperature information of the battery module. In order to ensure normal use of the portable power generation device 2 in winter, a heating assembly is further arranged in the portable power generation device 2 and comprises a ptc heater and a heating relay, and when the control assembly 23 acquires that the temperature of the energy storage assembly 24 is lower than a preset value, the control assembly 2 controls the heating relay to start the ptc heater to be powered on to heat the energy storage assembly 24. The housing 22 is provided with an on-off switch 25, an indicator lamp 26, a remote monitoring terminal 27, and a connection plug 28. The control unit 23 is electrically connected to the on-off switch 25, the indicator light 26, the remote monitoring terminal 27 and the connector plug 28, respectively. The indicator lamp 26 includes a 100% SOC indicator lamp 261, an 80% SOC indicator lamp 262, a 30% SOC indicator lamp 263, a 10% SOC indicator lamp 264, a fault indicator lamp 265, and an operating state indicator lamp 266. The on-off switch 25 and the indicator lamp 26 are disposed on the front end surface of the housing 22, the remote monitoring terminal 27 and the connection plug 28 are disposed on the side surface of the housing, and the connection harness 6 electrically connects the portable power generation device 2 and the junction box 3 through the connection plug 28. In this embodiment, the connecting plug 28 provided on the housing 22 is a dc output anderson plug. The control assembly 23 and the remote monitoring terminal 27 inside the portable power generation device 2 are in communication connection through an RS485 communication line. The control component 23 sends the collected voltage and temperature information of the battery module through the remote monitoring terminal 27.
As shown in fig. 7, the junction box 3 is also provided with a dc anderson plug, and the connection harness 6 electrically connects the connection plug 28 and the dc anderson plug of the junction box 3, respectively. The bidirectional inverter 4 comprises an isolation power supply circuit, a DC/AC conversion circuit, an STS static transfer switch and a bypass detection circuit which are connected in sequence. The bidirectional inverter 4 is electrically connected with the junction box 3 through an isolation power circuit. The DC/AC conversion circuit is used for realizing the conversion of direct current/alternating current. The STS static transfer switch is mainly used for switching power supplies of two paths of power supplies and is an automatic switching system for power supply alternative, and under the normal working state, under the condition that a mains supply/a bypass is not disconnected, a load is always connected to the mains supply/the bypass; under the condition that the commercial power/bypass is switched from connection to disconnection, the load is automatically switched to the portable power generation device; in case the mains/bypass is switched from off to on, the load is automatically switched to mains/bypass. The bypass detection circuit is used for detecting the on-off condition of the mains supply/the bypass. The bidirectional inverter is respectively and electrically connected with the commercial power/bypass and the junction box 5 through a bypass detection circuit. The isolated power supply circuit, the DC/AC conversion circuit, the STS static transfer switch, and the bypass detection circuit described in this embodiment all employ the isolated power supply circuit, the DC/AC conversion circuit, the STS static transfer switch, and the bypass detection circuit disclosed in the prior art, which are applied to the inverter. In this embodiment, the junction box 5 can implement a standard 6.6KW trickle charge output and billing output function.
As shown in fig. 8 to 9, the two-way inverter 4 is provided with second connection holes 42 at four corners of the bottom thereof, and a second mating connection hole (not shown) is provided on the bottom end surface inside the first accommodation space 11, and the detachable connection of the second connection hole 42 and the second mating connection hole is realized by using a screw connection member. The front end surface of the bidirectional inverter 4 is provided with three heat dissipation holes and four connection ports 41 including a positive electrode connection port 411, a negative electrode connection port 412, a first alternating current connection port 413, and a second alternating current connection port 414. The first alternating current connection port 413 is connected with the mains supply/bypass through a 3-core 6-square wiring harness 7, the second alternating current connection port 414 is connected with the junction box 5 through the 3-core 6-square wiring harness 7, the positive connection port 411 and the negative connection port 412 are connected with cables, and the other ends of the cables are connected with the junction box 3 through a red 120A Anderson plug-in 8.
The distributed electricity-exchanging and energy-storing charging pile provided by the embodiment can use the portable power generation device 2 as a standby power supply to supplement electricity for the electric vehicle under the condition of no commercial power/bypass, directly supplement electricity for the electric vehicle through the commercial power/bypass under the condition of commercial power/bypass, and supplement electricity for the portable power generation device 2 through the commercial power/bypass when the distributed electricity-exchanging and energy-storing charging pile is not connected with the electric vehicle under the condition of commercial power/bypass. If the condition of commercial power/bypass disconnection occurs when the distributed battery-replacing energy-storing charging pile directly supplements power to the electric vehicle through the commercial power/bypass, the portable power generation device 2 can be electrically connected with the electric vehicle through the bidirectional inverter 4 quickly, so that the conversion of a power supply is realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a stake of charging is traded to distributing type electricity energy storage, its characterized in that includes:
a portable power generation device;
the confluence box is used for realizing parallel output of a plurality of portable power generation devices;
the bidirectional inverter realizes reversible conversion of direct current and alternating current:
and a junction box for connecting the electric vehicle;
the portable power generation devices are electrically connected with the junction box through connecting wire harnesses respectively, the bidirectional inverter is electrically connected with the junction box and the junction box respectively, and the bidirectional inverter is electrically connected with a mains supply/a bypass.
2. The distributed power switching and energy storage charging pile according to claim 1, characterized in that: electric energy storage fills electric pile is traded to distributing type still includes the installation cabinet, will install the cabinet internal partitioning through the interlayer and become a plurality of accommodation space in the installation cabinet.
3. The distributed power switching and energy storage charging pile according to claim 2, characterized in that: the inside range upon range of three accommodation space that is provided with of installation cabinet, including first accommodation space and two second accommodation space that are located the top, second accommodation space internally mounted have portable power generation facility, first accommodation space internally mounted the two-way inverter with the box that converges.
4. The distributed electric energy storage charging pile that trades of claim 3, characterized in that: the bottom of the installation cabinet is provided with universal wheels.
5. The distributed power switching and energy storage charging pile according to claim 2, characterized in that:
the portable power generation device is detachably connected with the installation cabinet;
the portable power generation device comprises a shell, wherein a control assembly and an energy storage assembly are arranged in the shell;
the shell is provided with an on-off switch, an indicator lamp, a remote monitoring terminal and a connecting plug-in, and the control assembly is respectively and electrically connected with the energy storage assembly, the on-off switch, the indicator lamp, the remote monitoring terminal and the connecting plug-in;
the portable power generation device is electrically connected with the confluence box through a connecting plug-in.
6. The distributed type electricity-switching energy-storage charging pile according to claim 5, characterized in that:
the energy storage assembly is a battery module, the control assembly is a BMS mainboard, and the BMS mainboard is connected with the battery module through a voltage sampling line and a temperature sampling line;
the portable power generation device is characterized in that a heating assembly is further arranged inside the portable power generation device, the heating assembly is electrically connected with the battery module and the BMS mainboard respectively, and the heating assembly comprises a ptc heater and a heating relay; the connecting plug-in is a direct current output Anderson plug-in;
and the BMS mainboard and the remote monitoring terminal are in communication connection through an RS485 communication line.
7. The distributed type electricity-switching energy-storage charging pile according to claim 6, characterized in that: the BMS mainboard is BLM-M01A-YD 100.
8. The distributed electric energy storage charging pile that trades of claim 7, characterized in that: the indicating lamp comprises an electric quantity indicating lamp, a fault indicating lamp and a working state indicating lamp.
9. The distributed power switching and energy storage charging pile according to claim 2, characterized in that:
the bidirectional inverter is detachably connected with the mounting cabinet;
the bidirectional inverter comprises an isolation power supply circuit, a DC/AC conversion circuit, an STS static transfer switch and a bypass detection circuit which are connected in sequence;
the bidirectional inverter is electrically connected with the junction box through the isolation power circuit;
the bidirectional inverter is respectively and electrically connected with the commercial power/bypass and the junction box through the bypass detection circuit.
10. The distributed type electricity-switching energy-storage charging pile according to claim 9, characterized in that: the bidirectional inverter is electrically connected with the confluence box through the Anderson plug-in.
CN202010449971.XA 2020-05-25 2020-05-25 Distributed charging pile capable of changing electricity and storing energy Pending CN113715651A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010449971.XA CN113715651A (en) 2020-05-25 2020-05-25 Distributed charging pile capable of changing electricity and storing energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010449971.XA CN113715651A (en) 2020-05-25 2020-05-25 Distributed charging pile capable of changing electricity and storing energy

Publications (1)

Publication Number Publication Date
CN113715651A true CN113715651A (en) 2021-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010449971.XA Pending CN113715651A (en) 2020-05-25 2020-05-25 Distributed charging pile capable of changing electricity and storing energy

Country Status (1)

Country Link
CN (1) CN113715651A (en)

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