CN111267666B - Centralized full-automatic top contact charging system and method for charging station - Google Patents

Centralized full-automatic top contact charging system and method for charging station Download PDF

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Publication number
CN111267666B
CN111267666B CN202010275184.8A CN202010275184A CN111267666B CN 111267666 B CN111267666 B CN 111267666B CN 202010275184 A CN202010275184 A CN 202010275184A CN 111267666 B CN111267666 B CN 111267666B
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charging
module
vehicle
arch
vehicle information
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CN111267666A (en
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朱正礼
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Shanghai Sunwin Bus Co Ltd
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Shanghai Sunwin Bus Co Ltd
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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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/28—Devices for lifting and resetting the collector
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a centralized full-automatic top contact charging system and a method for a charging station, wherein the system comprises a charging parking area, a charging frame (3), a charging cabinet (4), a charging scheduling module (5) and a vehicle information identification module (6), wherein the charging parking area is formed by a plurality of charging parking spaces (1) for parking vehicles (2); the charging cabinet is used for distributing power for the charging bow module (31) and controlling the charging bow module to move to the top of the vehicle to be charged for charging; the vehicle information identification module identifies vehicle information and sends the vehicle information to the charging scheduling module, and the charging scheduling module controls the charging cabinet to start a charging program. The invention can sequence the vehicles which are charged in a centralized way, and greatly improves the charging efficiency of the charging station to the vehicles through reasonable sequencing, power distribution and movement control of the charging arch, and the whole process does not need to move the vehicles and human intervention.

Description

Centralized full-automatic top contact charging system and method for charging station
Technical Field
The invention relates to a charging system and method for a new energy vehicle, in particular to a centralized full-automatic top contact charging system and method for a charging station.
Background
At present, the top contact type charging system of the new energy commercial vehicle is greatly popularized and applied, and because the contact type charging bow can provide high-capacity charging current and the charging time is short, a charging bow system does not need to be configured for each vehicle in a charging field. However, the contact charging pantograph system in the prior art is configured in a single pantograph manner, when a plurality of new energy vehicles need to be charged in a centralized manner in a charging station, after one vehicle finishes charging and moves out of a charging position, another vehicle needing to be charged is moved into a charging position for charging, and the moving-in and moving-out of the vehicle take much time, so that the charging efficiency is greatly reduced; meanwhile, after the vehicle moves to the charging position, a charging worker needs to manually restart the charging process of the charging pantograph system, so that the time consumption is increased, and the charging efficiency is further reduced.
Chinese patent application CN 201711313453.X discloses a high-power chain-type charging bow, which comprises a chain bin, a left support chain and a right support chain arranged in the chain bin, a support chain driving mechanism and a charging electrode for contacting with a roof receiving electrode, wherein fine adjustment of a mounting plate is realized through the matching transmission of a chain wheel and the chain, so that two charging electrodes on the mounting plate can fully and stably contact with the roof receiving electrode and keep a certain pressure, and thus, the charging efficiency, reliability and stability are ensured. However, the charging bow is fixedly installed, the contact effectiveness of the charging bow is improved only by up-and-down movement adjustment, the requirement and automatic control of multi-vehicle charging cannot be met, and the charging efficiency is low.
Chinese utility model patent zl201720963203.x discloses a bow adjustment structure and a bow that charges, and this bow adjustment structure that charges overlap joint includes power sub-mechanism, flexible sub-mechanism, transmission sub-mechanism, bow overlap joint adjustment sub-mechanism and the bow that charges. Can adjust the height and the angle of the bow that charges at limited within range through this bow overlap joint adjustment structure that charges to ensure that the copper bar contact of the copper bar of pantograph and the bow that charges is good among the charging process, can't satisfy demand and the automatic control that the multi-vehicle charges, charge efficiency is lower.
Disclosure of Invention
One of the objectives of the present invention is to provide a centralized full-automatic top-contact charging system for a charging station, which can meet the requirement of a new energy vehicle using a top-contact charging system for centralized charging at the charging station, and greatly improve the charging efficiency of the centralized charging of the vehicle.
The invention also aims to provide a centralized full-automatic top contact charging method for a charging station, which can sort vehicles which are charged in a centralized manner and sequentially complete the centralized full-automatic charging of the vehicles through the accurate movement of a charging bow, does not need human intervention, and improves the charging efficiency.
The invention is realized by the following steps:
a centralized, fully automatic top contact charging system for a charging station, comprising:
the charging parking area is composed of a plurality of charging parking spaces for parking vehicles;
the charging frame is arranged above the charging parking area; the charging frame comprises a movable guide rail and a charging arch module arranged on the movable guide rail, the charging arch module can horizontally move to the position above a vehicle to be charged through the movable guide rail and is arched to the position to be in contact with a charging arch butt-joint end module of the vehicle for charging;
the charging cabinet is arranged in the charging station; the charging cabinet is connected with the charging arch module, distributes power for the charging arch module and controls the charging arch module to horizontally move along the moving guide rail;
the charging scheduling module is arranged at the background of the charging station, is connected with the charging cabinet and is used for controlling the charging cabinet to start a charging program;
the vehicle information identification module is arranged in the charging parking area; the output end of the vehicle information identification module is connected with the input end of the charging scheduling module and used for identifying the vehicles in the charging parking spaces and sending the vehicle information and the corresponding parking space information to the charging scheduling module.
The charging bow module comprises a charging bow and a charging bow frame; the charging bow is arranged on the charging bow frame through a mechanical device and can vertically lift along a z-axis through the mechanical device, the charging bow is connected with a power distribution module of the charging cabinet, the power distribution module distributes power for the charging bow and charges the vehicle through a charging bow butt-joint end module; the input of movable guide is connected with the output of the control module that charges of cabinet, and the bow frame that charges is installed on movable guide, and the control module that charges can control the bow frame that charges and follow movable guide and move along movable guide in the upper horizontal migration of y axle direction, controls movable guide along the charging frame horizontal migration in the x axle direction simultaneously, makes the bow that charges and the bow butt joint end module that charges tentatively fix a position.
The charging bow module also comprises a position identification module, the output end of the position identification module is connected with the input end of the charging scheduling module, and the position identification module identifies the accurate position of the charging bow butt-joint end module and sends the accurate position to the charging scheduling module; the output end of the charging scheduling module is connected with the input end of a charging control module of the charging cabinet, and the charging scheduling module controls the charging arch module and the movable guide rail to move through the charging control module, so that the charging arch and the charging arch butt-joint end module are precisely positioned.
The centralized full-automatic top contact charging system further comprises a vehicle scheduling module, wherein the vehicle scheduling module is arranged at the background of the charging station and connected with the charging scheduling module, and is used for sending legal vehicle information to the charging scheduling module.
The vehicle on be equipped with first communication module, be equipped with second communication module on the bow module of charging, first communication module and second communication module wireless connection make the vehicle can communicate with the bow module of charging each other.
The vehicle is provided with a vehicle information module, the vehicle information module is in wireless connection with the vehicle information identification module, and after the vehicle reaches a charging parking space, the vehicle information module sends vehicle information to the vehicle information identification module and sends the vehicle information to the charging scheduling module through the vehicle information identification module.
The vehicle on be equipped with energy storage control module, be equipped with the control module that charges in the cabinet that charges, energy storage control module passes through first communication module and the control module wireless connection that charges.
A centralized full-automatic top-contact charging method for a charging station, comprising the steps of:
step 1: one or a plurality of vehicles respectively enter a charging parking space of a charging station, and vehicle information is identified through a vehicle information identification module;
step 2: the vehicle information identification module sends the vehicle information to the charging scheduling module, and charging scheduling is carried out through the charging scheduling module;
and step 3: the charging scheduling module sends the vehicle information of the vehicle, the position information of the charging parking space where the vehicle is located and a charging instruction to the charging cabinet, starts a charging program and executes the step 4 and the step 5 at the same time;
and 4, step 4: the charging control module of the charging cabinet controls the charging arch module to move through the movable guide rail and align to a charging arch butt joint end module of a vehicle to be charged;
and 5: starting a communication function between a second communication module of the charging bow module and a first communication module of the vehicle;
step 6: the position identification module judges whether the charging arch moves in place, if so, the step 7 is executed, and if not, the step 4 is returned;
and 7: the charging bow is lowered to a proper position through a mechanical device on the charging bow frame, the charging bow is in butt joint with the charging bow butt joint end module in a matching mode, and the vehicle is charged;
and 8: the charging scheduling module judges whether the vehicle is charged completely, if so, the step 9 is executed, and if not, the charging is continued;
and step 9: lifting the charging bow to the position through a mechanical device on the charging bow frame, judging whether all the vehicles to be charged finish charging by a charging scheduling module, if so, executing the step 10, otherwise, returning to the step 4, and continuously charging the next vehicle to be charged according to an instruction;
step 10: the charging control module of the charging cabinet controls the charging bow module to return to the original position through the movable guide rail;
and 11, disconnecting the communication function of the second communication module of the charging arch module and ending the charging task.
The method for the charging scheduling module to perform charging scheduling comprises the following steps: the vehicle information module of the vehicle sends the vehicle information to the vehicle information identification module, the vehicle information identification module sends the vehicle information to the charging scheduling module, the vehicle scheduling module sends the legal vehicle information to the charging scheduling module, the charging scheduling module compares the received vehicle information with the legal vehicle information, and the charging sequence of all legal vehicles is determined based on the principle of first-in first-out.
The moving method of the charging bow module is as follows:
step 4.1: a charging control module of the charging cabinet controls the charging arch module to horizontally move to the position above a charging parking space where a vehicle to be charged is located along the x axis and the y axis so as to complete the primary positioning of the charging arch;
step 4.2: the position identification module automatically identifies the position of the charging bow butt joint end module and sends the position information to the charging scheduling module;
step 4.3: the charging dispatching module controls the charging arch module to horizontally move along the x axis and the y axis through the moving guide rail through the charging control module of the charging cabinet until the charging arch module can be matched and butted with the charging arch butt joint end module of the vehicle, so that the charging arch is finely positioned.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, all vehicles are sequenced by adopting the charging scheduling module, and the charging bow module is controlled by the charging cabinet to automatically move in place, so that the centralized charging of the vehicles is sequentially completed, the vehicles do not need to be moved in the whole process, and human intervention is not needed, so that the human resources are greatly saved, the charging time is shortened, and the charging efficiency of the charging station is greatly improved.
2. The vehicle information identification module is adopted to collect the vehicle information of the vehicle to be charged, the legal vehicle information of the vehicle scheduling module is combined to identify the vehicle, and the vehicle is sequenced based on the principle of first-in first-out, so that the orderliness, reliability and safety of vehicle centralized charging are ensured.
3. The invention adopts the charging frame, the movable guide rail and the charging arch frame to realize the movement of the charging arch along the x axis, the y axis and the z axis, thereby realizing the fine positioning of the charging arch and the charging arch butt-joint end module and ensuring the good contact and high-efficiency charging of contact type charging.
4. The invention has simple control flow, easy operation, very high application value and economic benefit, and is particularly suitable for the centralized full-automatic charging of vehicles adopting a top contact type charging system, such as pure electric commercial vehicles (including passenger cars), hybrid power commercial vehicles, fuel cell commercial vehicles, super capacitor commercial vehicles and the like.
In conclusion, the invention can sequence vehicles which are charged in a centralized manner, greatly improves the charging efficiency of the charging station to the vehicles through reasonable sequencing, power distribution and movement control of the charging arch, does not need to move the vehicles in the whole process, does not need human intervention, and has great value for popularization and application of a vehicle top contact type charging system.
Drawings
FIG. 1 is a schematic layout of a centralized fully automatic top contact charging system for a charging station according to the present invention;
FIG. 2 is a functional block diagram of the centralized, fully automatic top contact charging system for a charging station of the present invention;
fig. 3 is a flow chart of the centralized full automatic top contact charging method for a charging station of the present invention.
In the figure, 1 is a charging parking space, 2 is a vehicle, 21 is a charging arch butt-joint end module, 22 is a first communication module, 23 is a vehicle information module, 24 is an energy storage control module, 3 is a charging frame, 31 is a charging arch module, 311 is a charging arch, 312 is a second communication module, 313 is a position identification module, 314 is a charging arch frame, 32 is a moving guide rail, 4 is a charging cabinet, 41 is a power distribution module, 42 is a charging control module, 5 is a charging scheduling module, 6 is a vehicle information identification module, and 7 is a vehicle scheduling module.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1 and 2, a centralized full-automatic top contact charging system for a charging station includes:
the parking area that charges, the parking area that charges constitute by a plurality of charging parking stall 1, every charging parking stall 1 can park a vehicle 2 that waits to charge.
The charging frame 3 is arranged above the charging parking area; the charging stand 3 includes a moving rail 32 and a charging arch module 31 provided on the moving rail 32, and the charging arch module 31 is horizontally moved above the vehicle 2 to be charged by the moving rail 32 and is arched down to be charged in contact with the charging arch docking end module 21 of the vehicle 2.
The charging cabinet 4 is arranged in the charging station; the charging cabinet 4 is connected with the charging arch module 31, and the charging cabinet 4 distributes power for the charging arch module 31 and controls the charging arch module 31 to horizontally move along the moving guide rail 32.
The charging scheduling module 5 is arranged at the background of the charging station, and the charging scheduling module 5 is connected with the charging cabinet 4 and used for controlling the charging cabinet 4 to start a charging program; the charging scheduling module 5 can analyze and judge according to the received information of the charging control module 42, the vehicle information identification module 6 and the vehicle scheduling module 7, make a decision, schedule and distribute the charging station, the charging arch module 31 and the charging power, and simultaneously send the position information of the charging parking space 1 where the vehicle 2 to be charged is located to the charging cabinet 4.
The vehicle information identification module 6, the vehicle information identification module 6 set up in the parking area that charges, the output of vehicle information identification module 6 is connected with the input of the scheduling module 5 that charges for vehicle 2 in the discernment parking stall 1 that charges and with vehicle information and the parking stall information transmission to the scheduling module 5 that charges that corresponds.
The centralized full-automatic top contact charging system further comprises a vehicle scheduling module 7, wherein the vehicle scheduling module 7 is arranged at the background of the charging station and connected with the charging scheduling module 5, and is used for sending legal vehicle information to the charging scheduling module 5, so that the charging scheduling module 5 can screen the legal charging vehicles when determining the sequence of the charging vehicles.
The vehicle 2 is provided with a first communication module 22, the charging arch module 31 is provided with a second communication module 312, and the first communication module 22 is wirelessly connected with the second communication module 312, so that the vehicle 2 can communicate with the charging arch module 31. The vehicle 2 and the charging bow module 31 may communicate in a WIFI mode, and the WIFI communication needs to follow an IEEE 802.11 a/b/g/n protocol. The security mechanism of WiFi communication is WPA2, the encryption type is AES, and the TCP/IP layer protocol of WiFi communication uses UDP protocol.
Vehicle 2 on be equipped with vehicle information module 23, vehicle information module 23 and vehicle information identification module 6 wireless connection, after vehicle 2 reached charging parking stall 1, vehicle information module 23 accessible WIFI or bluetooth etc. wireless communication's mode sends vehicle information to vehicle information identification module 6 to send to the scheduling module 5 that charges through vehicle information identification module 6, the scheduling of being convenient for charge.
Vehicle 2 on be equipped with energy storage control module 24, be equipped with charging control module 42 in the cabinet 4 that charges, energy storage control module 24 is through first communication module 22 and charging control module 42 wireless connection, can adopt WIFI to realize wireless communication between first communication module 22 and the charging control module 42, energy storage control module 24 mainly used manages and controls the energy storage system of installing on vehicle 2, especially can communicate with the cabinet 4 that charges when charging for mutual charging information.
The charging bow module 31 comprises a charging bow 311, a position identification module 313 and a charging bow frame 314; the charging bow 311 is mounted on the charging bow frame 314 through a mechanical device and can be vertically lifted along the z axis through the mechanical device, the charging bow 311 is connected with the power distribution module 41 of the charging cabinet 4, the power distribution module 41 distributes power for the charging bow 311 and charges the vehicle 2 through the charging bow butt-joint end module 21; the input end of the movable guide rail 32 is connected with the output end of the charging control module 42 of the charging cabinet 4, the charging bow frame 314 is installed on the movable guide rail 32, the charging control module 42 can control the charging bow frame 314 to horizontally move along the movable guide rail 32 in the y-axis direction, and simultaneously control the movable guide rail 32 to horizontally move along the charging rack 3 in the x-axis direction, so that the charging bow 311 and the charging bow butt-joint end module 21 are preliminarily positioned. The power distribution module 41 is responsible for converting the ac power from the grid into dc or ac power (mainly the frequency and voltage of the electricity) that is acceptable to the vehicle energy storage system and distributing the power to the corresponding charging arch module 31 according to the received instructions from the charging control module 42. The x-axis direction is a horizontal direction parallel to the length direction of the charging parking space 1, the y-axis direction is a horizontal direction parallel to the width direction of the charging parking space 1, and the z-axis direction is a direction perpendicular to the ground.
The movement range of the charging arch 311 should cover the whole charging parking area, so as to ensure that all the vehicles 2 in the charging parking spaces 1 can be charged orderly and reliably.
The charging arch module 31 further comprises a position identification module 313, an output end of the position identification module 313 is connected with an input end of the charging scheduling module 5, and the position identification module 313 identifies the accurate position of the charging arch butt-joint end module 21 and sends the accurate position to the charging scheduling module 5; the output end of the charging scheduling module 5 is connected with the input end of a charging control module 42 of the charging cabinet 4, the charging scheduling module 5 controls the charging arch module 31 and the moving guide rail 32 to move through the charging control module 42, so that the charging arch 311 and the charging arch butt-joint end module 21 are precisely positioned, the error between the charging arch 311 and the charging arch butt-joint end module 21 in the x-axis and y-axis directions is not more than +/-10 cm, the error range can be adjusted according to factors such as the shape and the size of a butt-joint interface of the charging arch 311 and the charging arch butt-joint end module 21, and the position identification module 313 can determine the position of the charging arch butt-joint end module 21 and the distance between the charging arch 311 and the charging arch butt-joint end module 21 by adopting coordinate information and. The charging control module 42 is used for receiving the information and the instruction of the charging scheduling module 5, and controlling the position movement of the moving guide rail 32 and the charging arch module 31, the power distribution and the charging operation of the charging arch module 31 according to the instruction.
Vehicle 2 include pure electric commercial vehicle, plug-in hybrid vehicle, fuel cell commercial vehicle etc. when vehicle 2 needs to charge, get into charge parking stall 1 of ruling in the charging station can. The charging bow docking terminal module 21 of the vehicle 2 is in contact with the charging bow 311 during charging, and receives electric energy from the charging bow 311 by conduction.
Referring to fig. 3, a centralized full-automatic top contact charging method for a charging station includes the following steps:
step 1: one or a plurality of vehicles 2 respectively enter the charging parking spaces 1 of the charging station, and the vehicle information is identified through the vehicle information identification module 6.
Step 2: the vehicle information identification module 6 sends the vehicle information to the charging scheduling module 5, and performs charging scheduling through the charging scheduling module 5, that is, determines the charging sequence of all the vehicles 2.
The method for the charging scheduling module 5 to perform charging scheduling specifically comprises the following steps: the vehicle information module 23 of the vehicle 2 sends the vehicle information to the vehicle information identification module 6, the vehicle information identification module 6 sends the vehicle information to the charging scheduling module 5, the vehicle scheduling module 7 sends the legal vehicle information to the charging scheduling module 5, the charging scheduling module 5 compares the received vehicle information with the legal vehicle information, and determines the charging sequence of all the legal vehicles 2 based on the principle of first-in first-out, so that all the vehicles 2 can be charged sequentially and orderly.
And step 3: the charging scheduling module 5 sends the vehicle information of the vehicle 2, the position information of the charging parking space 1 where the vehicle is located and the charging instruction to the charging cabinet 4, starts a charging program, and executes the step 4 and the step 5 at the same time.
And 4, step 4: the charging control module 42 of the charging cabinet 4 controls the charging arch module 31 to move through the moving rail 32 and align with the charging arch docking end module 21 of the vehicle 2 to be charged.
The moving method of the charging bow module 31 is as follows:
step 4.1: the charging control module 42 of the charging cabinet 4 controls the charging arch module 31 to horizontally move along the x axis and the y axis to the position above the charging parking space 1 where the vehicle 2 to be charged is located, and thus the primary positioning of the charging arch 311 is completed.
Step 4.2: the position recognition module 313 automatically recognizes the position of the charging bow docking terminal module 21 and transmits the position information to the charging scheduling module 5.
Step 4.3: the charging dispatching module 5 controls the charging bow module 31 to horizontally move along the x axis and the y axis through the moving guide rail 32 by the charging control module 42 of the charging cabinet 4 until the charging bow module can be matched and butted with the charging bow butt-joint end module 21 of the vehicle 2, so as to complete the fine positioning of the charging bow 311.
And 5: the communication function between the second communication module 312 of the charge bow module 31 and the first communication module 22 of the vehicle 2 is started. Handshake information, pantograph up/down information, start-up charging information, stop-charging information, and the like are transmitted between the vehicle 2 and the charging pantograph module 31.
Step 6: the position recognition module 313 determines whether the charging bow 311 is moved in place, if yes, step 7 is executed, and if no, step 4 is returned.
The conditions for moving the charging bow 311 into position are as follows: the errors of the position of the charging arch 311 and the position of the charging arch butt-joint end module 21 in the directions of the x axis and the y axis do not exceed +/-10 cm, so that the charging arch 311 can be matched and butted with the charging arch butt-joint end module 21.
And 7: the charging bow 311 is lowered to the proper position by a mechanical device on the charging bow frame 314, and the charging bow 311 is matched and butted with the charging bow butt-joint end module 21 to start charging the vehicle 2. The mechanical device can adopt a height adjusting structure of the charging bow with adjustable height and angle in the prior art, so as to ensure that the charging bow 311 can be reliably butted with the charging bow butt joint end module 21, and further description is omitted here.
And 8: the charging scheduling module 5 determines whether the vehicle 2 is completely charged, if yes, step 9 is executed, and if not, the charging is continued.
And step 9: the charging bow 311 is raised to the position (i.e. the original height) by the mechanical device on the charging bow frame 314, the charging scheduling module 5 determines whether all the vehicles 2 to be charged are charged, if yes, step 10 is executed, if not, step 4 is returned, and the next vehicle 2 to be charged is charged continuously according to the instruction.
Step 10: the charging control module 42 of the charging cabinet 4 controls the charging bow module 31 to horizontally move along the x-axis and the y-axis via the moving guide 32 and return to the original position.
In step 11, the communication function of the second communication module 312 of the charging pantograph module 31 is disconnected, and the charging task is ended.
Example (b):
50 charging parking spaces 1 are arranged in a charging parking area of a certain charging station, 2 vehicles 2 to be charged (hereinafter referred to as a vehicle A and a vehicle B) are driven into a parking lot, when the vehicle A and the vehicle B are driven into the charging parking area successively and are parked on two charging parking spaces 1 (hereinafter referred to as a parking space X and a parking space Y), vehicle information modules 23 of the vehicle A and the vehicle B respectively send vehicle information to a vehicle information identification module 6 on the charging parking area through WIFI, the vehicle information identification module 6 sends the vehicle information to a charging scheduling module 5, the vehicle scheduling module 7 sends legal vehicle information to the charging scheduling module 5 in advance, the charging scheduling module 5 compares the received vehicle information of the vehicle A and the vehicle B with the prestored legal vehicle information, and after the vehicle A and the vehicle B are confirmed to be the legal vehicles to be charged, the charging sequence of the two vehicles is determined by the charging scheduling module 5 to be the vehicles based on the principle of first-in first-out A. And a vehicle B.
The charging scheduling module 5 sends the vehicle information of the vehicle a, the position information of the parking space X where the vehicle a is located, and the charging instruction to the charging cabinet 4, and starts a charging program. The charging control module 42 of the charging cabinet 4 can control the charging bow frame 314 to horizontally move along the moving guide rail 32 in the y-axis direction, and simultaneously control the moving guide rail 32 to horizontally move along the charging rack 3 in the X-axis direction, so that the charging bow 311 moves to the position above the parking space X where the vehicle a is located, and the primary positioning of the charging bow 311 and the charging bow butt-joint end module 21 of the vehicle a is completed. The position recognition module 313 automatically recognizes the position of the charging bow docking terminal module 21 and transmits the position information to the charging scheduling module 5. Meanwhile, the WIFI communication function between the second communication module 312 of the charging bow module 31 and the first communication module 22 of the vehicle a is started, and WIFI communication connection is completed.
The charging scheduling module 5 controls the charging bow module 31 to horizontally move along the x axis and the y axis through the moving guide rail 32 by the charging control module 42 of the charging cabinet 4, and when the error between the position of the charging bow 311 moved to the x axis and the y axis direction and the position of the charging bow butt-joint end module 21 do not exceed +/-10 cm, the position identification module 313 judges that the charging bow 311 has moved in place.
The charging bow 311 is lowered to the position through a mechanical device on the charging bow frame 314, the charging bow 311 is in matched butt joint with the charging bow butt joint end module 21, the charging control module 42 detects that the charging bow is in the position and transmits information to the charging scheduling module 5, and then the charging scheduling module 5 starts a charging process to charge the vehicle A. Once the charging scheduling module 5 judges that the charging is completed, the charging scheduling module 5 notifies the charging control module 31 to perform the pantograph raising, and the charging control module 31 controls the mechanism on the charging pantograph frame 314 to raise the charging pantograph 311 in position (i.e., to the original height). Meanwhile, the second communication module 312 of the charge bow module 31 disconnects the WIFI communication connection with the first communication module 22 of the vehicle a.
After the charging arch 311 is lifted to the right position, the charging scheduling module 5 sends the vehicle information of the vehicle B, the position information of the charging parking space Y where the vehicle B is located, and the charging instruction to the charging cabinet 4. The charging control module 42 of the charging cabinet 4 controls the charging arch module 31 to horizontally move along the x axis and the Y axis to the position above the parking space Y where the vehicle B to be charged is located, so as to complete the primary positioning of the charging arch. The position recognition module 313 automatically recognizes the position of the charging bow docking end module 21 of the vehicle B and transmits the position information to the charging scheduling module 5. Meanwhile, the WIFI communication function between the second communication module 312 of the charging bow module 31 and the first communication module 22 of the vehicle B is started, and WIFI communication connection is completed. The charging scheduling module 5 controls the charging bow module 31 to horizontally move along the x axis and the y axis through the moving guide rail 32 by the charging control module 42 of the charging cabinet 4, and when the error between the position of the charging bow 311 moved to the x axis and the y axis direction and the position of the charging bow butt-joint end module 21 do not exceed +/-10 cm, the position identification module 313 judges that the charging bow 311 has moved in place. The charging bow 311 is lowered to the position through a mechanical device on the charging bow frame 314, the charging bow 311 is in matched butt joint with the charging bow butt joint end module 21, the charging control module 42 detects that the charging bow is in the position and transmits information to the charging scheduling module 5, and then the charging scheduling module 5 starts a charging process to charge the vehicle B. Once the charging scheduling module 5 determines that the charging is completed, the charging scheduling module 5 notifies the charging control module 31 to perform the pantograph raising, and the charging control module 31 controls the mechanism on the charging pantograph frame 314 to raise and bow the charging pantograph 311 to the position (i.e., the original height). Meanwhile, the second communication module 312 of the charge bow module 31 disconnects the WIFI communication connection with the first communication module 22 of the vehicle B.
The charging scheduling module 5 determines that both vehicles are charged, and the charging scheduling module 5 notifies the charging control module 42 of the charging cabinet 4 to control the charging pantograph module 31 to horizontally move along the x-axis and the y-axis through the moving guide rail 32 and return to the original position, thereby ending the charging task.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A centralized full-automatic top contact charging system for a charging station, characterized by: the method comprises the following steps:
a charging parking area consisting of a plurality of charging parking spaces (1) for parking vehicles (2);
the charging rack (3) is arranged above the charging parking area; the charging frame (3) comprises a moving guide rail (32) and a charging arch module (31) arranged on the moving guide rail (32), wherein the charging arch module (31) can horizontally move to the position above a vehicle (2) to be charged through the moving guide rail (32) and is arched to be in contact with a charging arch butt-joint end module (21) of the vehicle (2) for charging;
the charging cabinet (4), the charging cabinet (4) is arranged in the charging station; the charging cabinet (4) is connected with the charging arch module (31), and the charging cabinet (4) distributes power for the charging arch module (31) and controls the charging arch module (31) to horizontally move along the moving guide rail (32);
the charging scheduling module (5) is arranged at the background of the charging station, and the charging scheduling module (5) is connected with the charging cabinet (4) and used for controlling the charging cabinet (4) to start a charging program;
the vehicle information identification module (6), the vehicle information identification module (6) is arranged in the charging parking area; the output end of the vehicle information identification module (6) is connected with the input end of the charging scheduling module (5) and is used for identifying the vehicles (2) in the charging parking spaces (1) and sending the vehicle information and the corresponding parking space information to the charging scheduling module (5);
the charging bow module (31) comprises a charging bow (311) and a charging bow frame (314); the charging bow (311) is mounted on a charging bow frame (314) through a mechanical device and can vertically lift along a z-axis through the mechanical device, the charging bow (311) is connected with a power distribution module (41) of the charging cabinet (4), the power distribution module (41) distributes power for the charging bow (311) and charges the vehicle (2) through a charging bow butt-joint end module (21); the input end of the movable guide rail (32) is connected with the output end of a charging control module (42) of the charging cabinet (4), a charging arch frame (314) is installed on the movable guide rail (32), and the charging control module (42) can control the charging arch frame (314) to horizontally move along the movable guide rail (32) in the y-axis direction and simultaneously control the movable guide rail (32) to horizontally move along the charging rack (3) in the x-axis direction, so that the charging arch (311) and the charging arch butt-joint end module (21) are preliminarily positioned;
the charging bow module (31) further comprises a position identification module (313), the output end of the position identification module (313) is connected with the input end of the charging scheduling module (5), and the position identification module (313) identifies the accurate position of the charging bow butt joint end module (21) and sends the accurate position to the charging scheduling module (5); the output end of the charging scheduling module (5) is connected with the input end of a charging control module (42) of the charging cabinet (4), and the charging scheduling module (5) controls the charging arch module (31) and the movable guide rail (32) to move through the charging control module (42), so that the charging arch (311) and the charging arch butt-joint end module (21) are precisely positioned;
the centralized full-automatic top contact charging system also comprises a vehicle scheduling module (7), wherein the vehicle scheduling module (7) is arranged at the background of the charging station, is connected with the charging scheduling module (5) and is used for sending legal vehicle information to the charging scheduling module (5);
the vehicle information management system is characterized in that a vehicle information module (23) is arranged on the vehicle (2), the vehicle information module (23) is in wireless connection with the vehicle information identification module (6), and after the vehicle (2) reaches the charging parking space (1), the vehicle information module (23) sends vehicle information to the vehicle information identification module (6) and sends the vehicle information to the charging scheduling module (5) through the vehicle information identification module (6).
2. The centralized, fully automatic top-contact charging system for charging stations of claim 1, wherein: the vehicle (2) is provided with a first communication module (22), the charging arch module (31) is provided with a second communication module (312), and the first communication module (22) is in wireless connection with the second communication module (312) so that the vehicle (2) can communicate with the charging arch module (31).
3. A centralized fully automatic top contact charging system for charging stations according to claim 1 or 2, characterized in that: the vehicle (2) on be equipped with energy storage control module (24), be equipped with charging control module (42) in charging cabinet (4), energy storage control module (24) are through first communication module (22) and charging control module (42) wireless connection.
4. A centralized full-automatic top-contact charging method using the centralized full-automatic top-contact charging system for a charging station according to claim 1, characterized in that: the method comprises the following steps:
step 1: one or a plurality of vehicles (2) respectively enter a charging parking space (1) of a charging station, and vehicle information is identified through a vehicle information identification module (6);
step 2: the vehicle information identification module (6) sends the vehicle information to the charging scheduling module (5), and the charging scheduling module (5) performs charging scheduling;
and step 3: the charging scheduling module (5) sends the vehicle information of the vehicle (2), the position information of the charging parking space (1) where the vehicle is located and a charging instruction to the charging cabinet (4), starts a charging program and executes the step 4 and the step 5 at the same time;
and 4, step 4: a charging control module (42) of the charging cabinet (4) controls the charging arch module (31) to move through the moving guide rail (32) and align with a charging arch butt joint end module (21) of the vehicle (2) to be charged;
and 5: starting a communication function between a second communication module (312) of the charge bow module (31) and a first communication module (22) of the vehicle (2);
step 6: the position identification module (313) judges whether the charging bow (311) moves in place, if so, the step 7 is executed, and if not, the step 4 is returned;
and 7: the charging bow (311) is lowered to a position through a mechanical device on the charging bow frame (314), the charging bow (311) is in matched butt joint with the charging bow butt joint end module (21), and the vehicle (2) is charged;
and 8: the charging scheduling module (5) judges whether the vehicle (2) is charged completely, if so, the step 9 is executed, and if not, the charging is continued;
and step 9: lifting the charging arch (311) to a proper position through a mechanical device on the charging arch frame (314), judging whether all the vehicles (2) to be charged are charged by the charging scheduling module (5), if so, executing the step 10, otherwise, returning to the step 4, and continuing to charge the next vehicle (2) to be charged;
step 10: a charging control module (42) of the charging cabinet (4) controls the charging arch module (31) to return to an original position through a movable guide rail (32);
step 11, disconnecting the communication function of a second communication module (312) of the charging arch module (31) and ending the charging task;
the method for the charging scheduling module (5) to perform charging scheduling is as follows: the method comprises the steps that a vehicle information module (23) of a vehicle (2) sends vehicle information to a vehicle information identification module (6), the vehicle information identification module (6) sends the vehicle information to a charging scheduling module (5), a vehicle scheduling module (7) sends legal vehicle information to the charging scheduling module (5), the charging scheduling module (5) compares the received vehicle information with the legal vehicle information, and the charging sequence of all legal vehicles (2) is determined based on the principle of first-in first-out;
the moving method of the charging arch module (31) comprises the following steps:
step 4.1: a charging control module (42) of the charging cabinet (4) controls the charging arch module (31) to horizontally move to the position above a charging parking space (1) where a vehicle (2) to be charged is located along an x axis and a y axis, and primary positioning of a charging arch (311) is completed;
step 4.2: the position identification module (313) automatically identifies the position of the charging bow butt joint end module (21) and sends the position information to the charging scheduling module (5);
step 4.3: the charging dispatching module (5) controls the charging arch module (31) to horizontally move along the x axis and the y axis through the moving guide rail (32) through the charging control module (42) of the charging cabinet (4) until the charging arch dispatching module can be matched and butted with the charging arch butting end module (21) of the vehicle (2), and the fine positioning of the charging arch (311) is completed.
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