CN107161020B - Charging and battery replacing station and charging and battery replacing control system - Google Patents

Charging and battery replacing station and charging and battery replacing control system Download PDF

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Publication number
CN107161020B
CN107161020B CN201710337493.1A CN201710337493A CN107161020B CN 107161020 B CN107161020 B CN 107161020B CN 201710337493 A CN201710337493 A CN 201710337493A CN 107161020 B CN107161020 B CN 107161020B
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charging
battery
electric vehicle
battery replacement
replacing
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CN107161020A (en
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吴广涛
顾宇俊
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NIO Co Ltd
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NIO Co Ltd
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Priority to PCT/CN2018/075685 priority patent/WO2018210015A1/en
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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
    • 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
    • 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
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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

Abstract

The invention relates to a charging and replacing power station and a charging and replacing power control system, wherein a spacer layer device of the system comprises a power replacing device and a charging device, and a station control layer device comprises a main control device; the main control device is communicated with the battery replacement device through a first type bus and communicated with the charging device through a second type bus; and the main control device is configured to control the charging device to charge the energy-carrying battery and/or the electric automobile according to the received charging instruction, and/or determine a replaceable energy-carrying battery of the electric automobile according to the charging state information of the energy-carrying battery fed back by the charging device, and control the battery replacement device to replace the determined replaceable energy-carrying battery into the electric automobile. The charging station comprises the charging and battery replacing control system. Compared with the prior art, the battery charging and replacing control system provided by the invention is beneficial to the expansion of the flexibility of charging and replacing of the battery charging and replacing station, and meets the increasing battery charging and replacing requirements of electric automobiles.

Description

Charging and battery replacing station and charging and battery replacing control system
Technical Field
The invention relates to the technical field of electric vehicle charging and battery replacing control, in particular to a charging and battery replacing station and a charging and battery replacing control system.
Background
The charging and replacing power station is an energy station for providing charging and quick replacement for a power battery of the electric automobile. At present, the charging and replacing power station mainly adopts separated charging of the electric automobile and power replacing of the electric automobile, so that the concentration degree of the charging and replacing power station is low, and the increasing requirements of the electric automobile on charging and replacing power can be met under the condition of certain construction area and electric energy supply. Meanwhile, the charging and swapping station mainly adopts a traditional construction mode, so that the scale expandability of the charging and swapping station is low. For example, the invention patent application with the application number of cn201310626021.x discloses a charging and swapping station system, which adopts one bus to realize all data sharing between a bay level and a station control level, has multiple data intersections, and is not beneficial to reliable control, flexible expansion and installation debugging of different bay level devices such as charging devices and swapping devices. Meanwhile, the system does not disclose how to realize the charging strategy and the battery replacement strategy for effectively charging and replacing the battery of the electric automobile.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the technical problems of scalability of the scale of the charging and swapping station, reduction of mutual influence between different data, and improvement of reliability, the present invention provides a charging and swapping control system and a charging and swapping station, where the charging and swapping control system adopts a bus-splitting mode to individually control a charging device and a swapping device, and realizes data sharing through a database on a station control layer, thereby improving the robustness of the system. Meanwhile, the main control device of the battery charging and replacing control system can acquire the battery charging/replacing request information of the electric automobile through the cloud platform, and realize the high-reliability and high-intelligent battery replacing control of the power battery according to the battery charging/replacing request information and a preset battery charging/replacing strategy.
In a first aspect, a technical solution of a charging and battery-swapping control system in the present invention is:
the charging and battery-replacing control system comprises a spacer layer device and a station control layer device;
the bay level equipment comprises a battery replacement device and a charging device; the battery replacement device is configured to drive the battery replacement executing mechanism to replace a power battery of the electric automobile; the charging device is configured to drive a charging facility to charge the energy-carrying battery or the electric automobile;
the station control layer equipment comprises a master control device; the main control device is communicated with the battery replacement device through a first type bus and communicated with the charging device through a second type bus;
the main control device is configured to control the charging device to charge the energy-carrying battery and/or the electric vehicle, and/or determine the replaceable energy-carrying battery of the electric vehicle according to the charging state information of the energy-carrying battery fed back by the charging device, and control the battery replacement device to replace the determined replaceable energy-carrying battery with the electric vehicle.
Further, a preferred technical solution provided by the present invention is:
the interlayer equipment also comprises an environment monitoring device which is communicated with the main control device through a third type bus; the environment monitoring device is configured to monitor the working states of the battery replacement device, the charging device and the security equipment in the system.
Further, a preferred technical solution provided by the present invention is:
the first type bus is an industrial Ethernet bus;
the second type bus is a CANBUS bus;
the third type of bus is a MODBUS bus.
Further, a preferred technical solution provided by the present invention is:
the system also includes a network layer device; the network layer equipment comprises a cloud platform and an energy management device; the cloud platform is configured to monitor the working state of the system;
the cloud platform is communicated with the main control device through a wireless network, and the energy management device is communicated with the main control device through a second type bus or the wireless network.
Further, a preferred technical solution provided by the present invention is:
the station control layer equipment also comprises a human-computer interaction terminal which is communicated with the main control device through a third type bus.
Further, a preferred technical solution provided by the present invention is:
the master control device comprises a charging management module;
the charging management module is configured to acquire a preset charging strategy stored by the cloud platform and electric vehicle charging request information received by the cloud platform, generate a charging instruction according to the acquired preset charging strategy and electric vehicle charging request information, and control the charging device to charge the electric vehicle according to the generated charging instruction; or the charging device is configured to control the charging device to charge the electric vehicle according to a charging instruction issued by the cloud platform;
the charging instruction issued by the cloud platform is a charging instruction generated by the cloud platform on the cloud platform according to the stored preset charging strategy and the received electric vehicle charging request information;
the electric vehicle charging state information comprises expected travel distance, expected travel time and power battery state information of the electric vehicle.
Further, a preferred technical solution provided by the present invention is:
the preset charging strategy is to sequentially control the charging device to charge the electric vehicles corresponding to the charging request information of the electric vehicles according to the time sequence of the cloud platform for receiving the charging request information of the electric vehicles.
Further, a preferred technical solution provided by the present invention is:
the main control device comprises a battery swapping management module;
the battery replacement management module is configured to acquire a preset battery replacement strategy stored by the cloud platform and electric vehicle battery replacement request information received by the cloud platform, generate a battery replacement instruction according to the acquired preset battery replacement strategy and electric vehicle battery replacement request information, and control the battery replacement device to replace a power battery of the electric vehicle according to the generated battery replacement instruction; or the power battery replacement device is configured to control the power battery replacement device to replace the power battery of the electric automobile according to a power battery replacement instruction issued by the cloud platform;
the power swapping instruction issued by the cloud platform is a power swapping instruction generated by the cloud platform on the cloud platform according to the stored preset power swapping strategy and the received electric vehicle power swapping request information;
the electric vehicle charging state information comprises expected travel distance, expected travel time and power battery state information of the electric vehicle.
Further, a preferred technical solution provided by the present invention is:
the preset battery replacement strategy comprises a first battery replacement strategy and a second battery replacement strategy;
the first battery replacement strategy is to sequentially control a battery replacement device to replace power batteries of electric vehicles corresponding to the electric vehicle battery replacement request information according to the time sequence of the cloud platform receiving the electric vehicle battery replacement request information;
and the second battery replacement strategy is to sequentially control the battery replacement device to replace the power battery of the electric vehicle corresponding to the battery replacement request information according to the sequence of the expected travel distance in the battery replacement request information of each electric vehicle from large to small.
Further, a preferred technical solution provided by the present invention is:
the main control device comprises a replaceable energy-carrying battery determining module; the replaceable energy-carrying battery determining module is configured to select a replaceable energy-carrying battery of the electric vehicle according to the state of charge of the energy-carrying battery, and specifically includes:
selecting any energy carrying battery with the charge state equal to or larger than a preset charge state threshold value as a replaceable energy carrying battery;
and if the charge states of all the energy carrying batteries are smaller than the preset charge state threshold value, selecting the energy carrying battery corresponding to the maximum charge state as the replaceable energy carrying battery.
Further, a preferred technical solution provided by the present invention is:
the master control device also comprises an authentication module; the authentication module is configured to acquire pre-stored electric vehicle permission information when the cloud platform of the system cannot perform permission authentication on the electric vehicle, and determine whether the pre-stored electric vehicle permission information includes permission request information of the electric vehicle: if yes, the authority authentication is judged to be passed.
Further, a preferred technical solution provided by the present invention is:
the master control device further comprises:
and the power grid monitoring module is configured to monitor the load electric quantity required by the power grid and control the energy-carrying battery to supply power to the power grid when the load electric quantity is greater than a preset load electric quantity threshold value.
Further, a preferred technical solution provided by the present invention is:
the master control device further comprises:
and the debugging module is configured to receive preset test information and adjust the working state of the system according to the preset test information.
Further, a preferred technical solution provided by the present invention is: the master control device further comprises:
and the first wireless communication module is configured to perform information interaction with the intelligent terminal through a wireless network.
Further, a preferred technical solution provided by the present invention is:
the first wireless communication module comprises a bluetooth communication module.
Further, a preferred technical solution provided by the present invention is:
the master control device further comprises:
and the second wireless communication module is configured to perform information interaction with a preset local area network.
Further, a preferred technical solution provided by the present invention is:
the second wireless communication module comprises a Zigbee communication module.
Further, a preferred technical solution provided by the present invention is:
the master control device further comprises:
and the third wireless communication module is configured to perform information interaction with the electric automobile through a wireless network.
Further, a preferred technical solution provided by the present invention is:
the third wireless communication module comprises a Wifi communication module.
Further, a preferred technical solution provided by the present invention is:
the master control device further comprises:
and the fourth wireless communication module is configured to perform information interaction with the cloud platform of the system through a wireless network.
Further, a preferred technical solution provided by the present invention is:
the fourth wireless communication module comprises a 3G communication module and/or a 4G communication module and/or a 5G communication module and/or an Ethernet communication module.
Further, a preferred technical solution provided by the present invention is:
the charging device includes:
the rectifying module is used for converting the alternating current charging current or the direct current charging current into charging current available for an energy-carrying battery or an electric automobile;
the first charging plate is connected with the rectifying module and used for charging an energy-carrying battery;
and the second charging plate is connected with the rectifying module and is used for charging the electric automobile.
Further, a preferred technical solution provided by the present invention is:
the battery replacement device comprises:
a battery replacement actuating mechanism;
the battery replacement control unit is configured to receive the state information of the replaceable energy-carrying battery sent by the main control device and send a battery replacement instruction to the battery replacement execution mechanism according to the received state information;
and the display unit is used for displaying the working state of the battery replacement device.
Further, a preferred technical solution provided by the present invention is:
the battery replacement actuating mechanism comprises:
the vehicle platform is used for moving and/or lifting the electric automobile;
the battery carrying device is used for transmitting the power battery to the battery rack or transmitting the energy-carrying battery to the vehicle platform;
the battery replacing device is connected with the battery replacement control unit through a wireless network; the battery replacing device is used for replacing a power battery of the electric automobile.
In a second aspect, a technical solution of a charging and swapping station in the present invention is:
the charging and replacing power station comprises a charging and replacing power control management device, and the charging and replacing power control management device comprises the charging and replacing power control system in the technical scheme.
Scheme 1, a charging and battery-replacing control system, which comprises a spacer layer device and a station control layer device, and is characterized in that,
the bay level equipment comprises a battery replacement device and a charging device; the battery replacement device is configured to drive the battery replacement executing mechanism to replace a power battery of the electric automobile; the charging device is configured to drive a charging facility to charge the energy-carrying battery and/or the electric automobile;
the station control layer equipment comprises a master control device; the main control device is communicated with the battery replacement device through a first type bus and communicated with the charging device through a second type bus;
the main control device is configured to control the charging device to charge the energy-carrying battery and/or the electric vehicle, and/or determine the replaceable energy-carrying battery of the electric vehicle according to the charging state information of the energy-carrying battery fed back by the charging device, and control the battery replacement device to replace the determined replaceable energy-carrying battery with the electric vehicle.
Scheme 2 and the battery charging and replacing control system according to scheme 1 are characterized in that,
the interlayer equipment also comprises an environment monitoring device which is communicated with the main control device through a third type bus; the environment monitoring device is configured to monitor the working states of the battery replacement device, the charging device and the security equipment in the system.
Scheme 3, the charging and battery-replacement control system according to scheme 1 or 2, characterized in that,
the first type bus is an industrial Ethernet bus;
the second type bus is a CANBUS bus;
the third type of bus is a MODBUS bus.
Scheme 4, the battery charging and replacing control system according to scheme 1, characterized in that the system further comprises network layer equipment; the network layer equipment comprises a cloud platform and an energy management device; the cloud platform is configured to monitor the working state of the system;
the cloud platform is communicated with the main control device through a wireless network, and the energy management device is communicated with the main control device through a second type bus or the wireless network.
Scheme 5, the charging and battery-replacement control system according to scheme 1, 2 or 4, characterized in that,
the station control layer equipment also comprises a human-computer interaction terminal which is communicated with the main control device through a third type bus.
Scheme 6, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device comprises a charging management module;
the charging management module is configured to acquire a preset charging strategy stored by the cloud platform and electric vehicle charging request information received by the cloud platform, generate a charging instruction according to the acquired preset charging strategy and electric vehicle charging request information, and control the charging device to charge the electric vehicle according to the generated charging instruction; or the charging device is configured to control the charging device to charge the electric vehicle according to a charging instruction issued by the cloud platform;
the charging instruction issued by the cloud platform is a charging instruction generated by the cloud platform on the cloud platform according to the stored preset charging strategy and the received electric vehicle charging request information;
the electric vehicle charging state information comprises expected travel distance, expected travel time and power battery state information of the electric vehicle.
Scheme 7 and the battery charging and replacing control system according to scheme 6 are characterized in that,
the preset charging strategy is to sequentially control the charging device to charge the electric vehicles corresponding to the electric vehicle charging request information according to the time sequence of the cloud platform receiving the electric vehicle charging request information.
Scheme 8, the battery charging and replacing control system according to scheme 1, 2 or 4, characterized in that,
the main control device also comprises a battery replacement management module;
the battery replacement management module is configured to acquire a preset battery replacement strategy stored by the cloud platform and electric vehicle battery replacement request information received by the cloud platform, generate a battery replacement instruction according to the acquired preset battery replacement strategy and electric vehicle battery replacement request information, and control the battery replacement device to replace a power battery of the electric vehicle according to the generated battery replacement instruction; or the power battery replacement device is configured to control the power battery replacement device to replace the power battery of the electric automobile according to a power battery replacement instruction issued by the cloud platform;
the power swapping instruction issued by the cloud platform is a power swapping instruction generated by the cloud platform on the cloud platform according to the stored preset power swapping strategy and the received electric vehicle power swapping request information;
the electric vehicle state information comprises expected travel distance, expected travel time and power battery state information of an electric vehicle owner.
Scheme 9 and the battery charging and replacing control system according to scheme 8, wherein,
the preset battery replacement strategy comprises a first battery replacement strategy and a second battery replacement strategy;
the first battery replacement strategy is to sequentially control a battery replacement device to replace power batteries of electric vehicles corresponding to the electric vehicle battery replacement request information according to the time sequence of the cloud platform receiving the electric vehicle battery replacement request information;
and the second battery replacement strategy is to sequentially control the battery replacement device to replace the power battery of the electric vehicle corresponding to the battery replacement request information according to the sequence of the expected travel distance in the battery replacement request information of each electric vehicle from large to small.
Scheme 10, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the main control device also comprises a replaceable energy-carrying battery determining module; the replaceable energy-carrying battery determining module is configured to select a replaceable energy-carrying battery of the electric vehicle according to the state of charge of the energy-carrying battery, and specifically includes:
selecting any energy carrying battery with the charge state equal to or larger than a preset charge state threshold value as a replaceable energy carrying battery;
and if the charge states of all the energy carrying batteries are smaller than the preset charge state threshold value, selecting the energy carrying battery corresponding to the maximum charge state as the replaceable energy carrying battery.
Scheme 11, the charging and battery-replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device also comprises an authentication module; the authentication module is configured to acquire pre-stored electric vehicle permission information when the cloud platform of the system cannot perform permission authentication on the electric vehicle, and determine whether the pre-stored electric vehicle permission information includes permission request information of the electric vehicle: if yes, the authority authentication is judged to be passed.
Scheme 12, the charging and battery replacement control system according to scheme 1, 2 or 4,
the master control device further comprises:
and the power grid monitoring module is configured to monitor the load electric quantity required by the power grid and control the energy-carrying battery to supply power to the power grid when the load electric quantity is greater than a preset load electric quantity threshold value.
Scheme 13, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device further comprises:
and the debugging module is configured to receive preset test information and adjust the working state of the system according to the preset test information.
Scheme 14, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device further comprises:
and the first wireless communication module is configured to perform information interaction with the intelligent terminal through a wireless network.
Scheme 15 and the battery charging and replacing control system according to scheme 14, wherein,
the first wireless communication module comprises a bluetooth communication module.
Scheme 16, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device further comprises:
and the second wireless communication module is configured to perform information interaction with a preset local area network.
Scheme 17 and the battery charging and replacing control system according to scheme 16, wherein,
the second wireless communication module comprises a Zigbee communication module.
Scheme 18, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the master control device further comprises:
and the third wireless communication module is configured to perform information interaction with the electric automobile through a wireless network.
Scheme 19 and the battery charging and replacing control system according to scheme 18, wherein,
the third wireless communication module comprises a Wifi communication module.
Scheme 20, the charging and battery replacement control system according to scheme 1, 2 or 4,
the master control device further comprises:
and the fourth wireless communication module is configured to perform information interaction with the cloud platform of the system through a wireless network.
Scheme 21 and the battery charging and replacing control system according to scheme 20, wherein,
the fourth wireless communication module comprises a 3G communication module and/or a 4G communication module and/or a 5G communication module and/or an Ethernet communication module.
Scheme 22, the charging and battery replacement control system according to scheme 1, 2 or 4,
the charging device includes:
the rectifying module is used for converting the alternating current charging current or the direct current charging current into charging current available for an energy-carrying battery or an electric automobile;
the first charging plate is connected with the rectifying module and used for charging an energy-carrying battery;
and the second charging plate is connected with the rectifying module and is used for charging the electric automobile.
Scheme 23, the charging and battery replacement control system according to scheme 1, 2 or 4, characterized in that,
the battery replacement device comprises:
a battery replacement actuating mechanism;
the battery replacement control unit is configured to receive the state information of the replaceable energy-carrying battery sent by the main control device and send a battery replacement instruction to the battery replacement execution mechanism according to the received state information;
and the display unit is used for displaying the working state of the battery replacement device.
Scheme 24 and the battery charging and replacing control system according to scheme 23, wherein,
the battery replacement actuating mechanism comprises:
a vehicle platform for electric vehicle parking and/or moving and/or lifting;
the battery carrying device is used for transmitting the power battery to the battery rack or transmitting the energy-carrying battery to the vehicle platform;
a battery replacement device connected to the battery replacement control unit; the battery replacing device is used for replacing a power battery of the electric automobile.
Scheme 25, a charging and replacing power station, comprising a charging and replacing power control management device, characterized in that the charging and replacing power control management device comprises the charging and replacing power control system according to any one of schemes 1-24.
Compared with the prior art, the technical scheme at least has the following beneficial effects:
1. according to the charging and battery replacing control system provided by the invention, the battery replacing device and the charging device are respectively connected with the main control device through respective communication buses, so that the flexible expansion of the battery replacing device and the charging device is facilitated; meanwhile, the main control device can control the battery replacing device to install the energy-carrying and energy-carrying battery which is charged by the charging device on the electric automobile, so that the quick energy supplement of the electric automobile is realized.
2. The charging and battery replacing control system provided by the invention has the advantages that the charging and battery replacing buses are separated, the control reliability is improved, a database sharing mode in the main control device is sampled, the data reading and writing speed is improved, the battery replacing service capacity is improved by adopting a reliable charging and battery replacing strategy, the number of the battery replacing devices and the number of the charging devices can be increased under the condition that the construction area of the charging and battery replacing station is not increased, and the increasing charging requirements of electric automobiles are further met.
Drawings
Fig. 1 is a schematic structural diagram of a charging and battery-swapping control system according to an embodiment of the present invention;
FIG. 2 is a flow chart of an embodiment of a power swapping implementation of the present invention;
FIG. 3 is a schematic structural diagram of a battery swapping device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a charging device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another charging and battery-swapping control system according to an embodiment of the present invention;
wherein, 11: a vehicle moving device; 12: a vehicle lifting device; 13: a battery transfer device; 14: a scissor fork lifting device; 15: locking and unlocking devices; 16: a battery lifting device; 17: a battery plugging device; 18: a battery transport device; 19: a battery connector device.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The charging and replacing quantity of electricity of the charging and replacing power station is limited by the construction area and the electricity supply condition, and the increasing charging and replacing requirements of the electric automobile are difficult to meet in areas with dense building resources, such as cities. Meanwhile, the disordered charging of the electric automobile can also cause the load of the power grid to be aggravated at peak and valley, and further increase the difficulty of power grid flow regulation and control and the cost of capacity increase and upgrading of the power distribution network. Based on the above, the invention provides a charging and replacing power control system, wherein a station control layer of the charging and replacing power control system can communicate with different devices in a spacing layer through a plurality of buses, so that the different devices and related control functions can be flexibly expanded, and the scale of a charging and replacing power station is enlarged on the premise of not increasing the construction area of the charging and replacing power station. Meanwhile, the system can also adopt a working mode of 'charging in station + battery replacement in station', namely, the battery is charged in the charging and replacing station, and the fully charged battery is replaced by the power-lack battery on the electric automobile, so that the influence of the charging of the electric automobile on the power supply capacity of a power grid can be reduced. It should be noted that: for the sake of convenience of description, the power battery mounted on the electric vehicle is referred to as a "power battery" herein, and the power battery that is replaced from the electric vehicle for independent charging is referred to as an "energy-carrying battery".
A charging and battery-swapping control system according to an embodiment of the present invention is specifically described below with reference to the accompanying drawings.
The battery charging and replacing control system in this embodiment may include a bay level device and a station level device. The device of the bay level refers to a device in the bay level in the industrial network control architecture, and the device of the station level refers to a device in the station level in the industrial network control architecture.
The bay level equipment may include a battery swapping device and a charging device. The power changing device can be configured to drive the power changing executing mechanism to change the power battery of the electric automobile, and the charging device can be configured to drive the charging facility to charge the energy-carrying battery or the electric automobile. The charging device charges the electric automobile, namely the charging device charges a power battery of the electric automobile.
In this embodiment, the battery swapping device may adopt a programmable logic controller PLC configured to execute a preset battery swapping strategy. The charging device may include a direct current charging control device and an alternating current/direct current charging control device. The direct current charging control device can control the energy-carrying battery to supply power to the load, and the alternating current/direct current charging control device can control the alternating current system to supply power to the load, namely, alternating current charging current output by the alternating current system is converted into direct current charging current to supply power to the load. The load can be an energy-carrying battery or an electric automobile.
The station control layer device may include a master control apparatus that may communicate with the battery swapping apparatus through a first type bus and may communicate with the charging apparatus through a second type bus. The power exchanging device and the charging device in the embodiment are communicated with the main control device through the independent communication buses respectively, so that the power exchanging device and the charging device are expanded and configured, the power exchanging device and the charging device are also designed in an independent modularization mode, and the power exchanging device and the charging device can be managed in a modularization mode.
In this embodiment, the master control device may be configured to acquire a preset charging policy stored by the cloud platform and electric vehicle charging request information received by the cloud platform, generate a charging instruction according to the acquired preset charging policy and electric vehicle charging request information, and control the charging device to charge the electric vehicle according to the generated charging instruction; or, the master control device may be configured to control the charging device to charge the electric vehicle according to a charging instruction issued by the cloud platform. The charging instruction issued by the cloud platform is a charging instruction generated by the cloud platform on the cloud platform according to the stored preset charging strategy and the received electric vehicle charging request information. The electric vehicle charging state information includes an expected travel distance, an expected travel time and power battery state information of the electric vehicle, and the power battery state information may include a state of charge of the power battery. In this embodiment, the main control device may send the charging control instruction to the charging device after generating or receiving the charging instruction, so that the charging device may drive the charging facility to charge the energy-carrying battery or the electric vehicle after receiving the charging control instruction.
In this embodiment, the preset charging policy may sequentially control the charging device to charge the electric vehicles corresponding to the electric vehicle charging request information according to a time sequence in which the cloud platform receives the electric vehicle charging request information. For example, the cloud platform receives 6 pieces of electric vehicle charging request information, the receiving time is different, at this time, the battery replacement station includes 5 electric vehicle charging potentials in an idle state, and the charging device charges the electric vehicle according to a preset charging strategy, that is, the electric vehicle is charged in a first service requesting mode.
In this embodiment, the master control device may be further configured to acquire a preset battery replacement policy stored by the cloud platform and electric vehicle battery replacement request information received by the cloud platform, generate a battery replacement instruction according to the acquired preset battery replacement policy and electric vehicle battery replacement request information, and control the battery replacement device to replace the power battery of the electric vehicle according to the generated battery replacement instruction; or, the main control device may be configured to control the battery replacement device to replace the power battery of the electric vehicle according to a battery replacement instruction issued by the cloud platform. The battery replacement instruction issued by the cloud platform is a battery replacement instruction generated by the cloud platform according to the stored preset battery replacement strategy and the received electric vehicle battery replacement request information. The electric vehicle battery replacement state information comprises an expected travel distance, an expected travel time and power battery state information of the electric vehicle, and the power battery state information can comprise the charge state of the power battery. Specifically, in this embodiment, after the power exchanging device generates or receives the power exchanging instruction, the replaceable energy carrying battery of the electric vehicle may be determined according to the charging state information of the energy carrying battery fed back by the charging device, and the state information of the replaceable energy carrying battery is sent to the power exchanging device, so that the power exchanging device may install the energy carrying battery corresponding to the state information on the electric vehicle according to the state information.
In this embodiment, the preset power swapping strategies include a first power swapping strategy and a second power swapping strategy. The first battery replacement strategy is to sequentially control the battery replacement device to replace the power battery of the electric vehicle corresponding to the electric vehicle battery replacement request information according to the time sequence of the cloud platform receiving the electric vehicle battery replacement request information. And the second battery replacement strategy is to sequentially control the battery replacement device to replace the power battery of the electric vehicle corresponding to the battery replacement request information according to the sequence of the expected travel distances in the battery replacement request information of the electric vehicles from large to small. For example, the cloud platform receives 6 electric vehicle battery replacement request messages, the receiving time is different, at this time, the battery replacement station includes 5 energy-carrying batteries in a full-power state, and the battery replacement device replaces the power batteries of the electric vehicle according to a first battery replacement strategy, that is, the power batteries of the electric vehicle are replaced by first requesting a first service mode. For another example, the cloud platform receives the power change request information of 6 electric vehicles, the receiving time is different, at this time, the power change station includes 5 energy-carrying batteries in a full power state and 1 energy-carrying battery not in full power, the power change device changes the power battery of the electric vehicle according to the second power change strategy, that is, under the condition that the expected trip distance of the electric vehicle is met, the energy-carrying battery not fully charged can be installed on the electric vehicle, and the electric quantity of the energy-carrying battery not fully charged should not be less than the electric quantity required by the expected trip distance of the electric vehicle.
In this embodiment, when the charge state information of the energy-carrying battery fed back by the charging device is the state of charge, the main control device may determine the replaceable energy-carrying battery of the electric vehicle according to the following steps:
(1) and the main control device sends a battery replacement control instruction to the battery replacement device according to the generated or received battery replacement instruction, so that the battery replacement device can drive the battery replacement execution mechanism to replace the power battery of the electric automobile.
(2) The main control device collects the charge state of the energy-carrying battery fed back by the charging device: any energy carrying battery with the charge state equal to or larger than the preset charge state threshold value is selected as a replaceable energy carrying battery, and the state information of the replaceable energy carrying battery is sent to the battery replacement device. And if the charge states of all the energy carrying batteries are smaller than the preset charge state threshold value, taking the energy carrying battery corresponding to the maximum charge state as the replaceable energy carrying battery, and sending the state information of the replaceable energy carrying battery to the battery replacement device.
In a preferred technical solution provided in this embodiment, the replaceable energy-carrying battery of the electric vehicle may be determined according to the following steps:
(1) and setting a preset charge state threshold of the energy-carrying battery as the corresponding charge state when the energy-carrying battery is fully charged.
(2) The charge state of the energy-carrying battery fed back by the charging device is collected: if the fully charged energy carrying batteries exist, selecting any fully charged energy carrying battery as a replaceable energy carrying battery; and if the fully charged energy-carrying battery does not exist, selecting the energy-carrying battery corresponding to the maximum charge state as the replaceable battery.
In this embodiment, the state information of the replaceable energy-carrying battery may be a battery serial number of the replaceable energy-carrying battery, and the battery swapping device may drive the battery swapping execution mechanism to install the energy-carrying battery corresponding to the battery serial number on the electric vehicle. For example, when n energy-carrying batteries are included in the charging station, the charging device feeds back the states of charge of the 1 st to n th energy-carrying batteries to the master control device, and the master control device determines that the replaceable energy-carrying battery is the xth energy-carrying battery according to the states of charge of the n energy-carrying batteries, wherein x is 1. The main control device sends the battery serial number x of the replaceable energy-carrying battery to the battery replacing device, and the battery replacing device can drive the battery replacing execution mechanism to install the xth energy-carrying battery on the electric automobile.
Further, the interlayer device in this embodiment may further include an environment monitoring device, and the environment monitoring device may communicate with the main control device through a third type bus, and may be configured to monitor the operating states of the battery replacement device, the charging device, and the security device. The security equipment can comprise a video monitoring device for acquiring videos and/or images of an area where the battery charging and replacing control system is located, and can also comprise an alarm device. In this embodiment, the operation state of the power equipment arranged in the area where the battery charging and replacing control system is located can be monitored more visually through the environment monitoring device, and an alarm can be given when the power equipment runs abnormally through the alarm device.
Further, in this embodiment, the station control layer device may further include a human-computer interaction terminal, and the human-computer interaction terminal may communicate with the main control apparatus through a third type bus. The man-machine interaction terminal can comprise a battery replacement monitoring unit, a charging monitoring unit, an environment monitoring device monitoring unit and a PMS monitoring unit. The battery replacement monitoring unit can be used for monitoring the working state of the battery replacement device and transmitting control instructions such as a battery replacement instruction to the battery replacement device. The charging monitoring unit can be used for monitoring the working state of the charging device and transmitting control instructions such as a charging instruction to the charging device. The environment monitoring device monitoring unit can be used for monitoring the working state of the environment monitoring device and transmitting control instructions such as start/stop operation to the environment monitoring device. The PMS monitoring unit can be used for monitoring the working state of the energy management device and can also perform information interaction with the energy management device.
The energy Management device in this embodiment refers to a Power Management System (PMS) technology-based Power Management device, and the energy Management device may monitor and manage the electric devices in the charging and replacing control System.
Further, the charging and swapping control system in this embodiment may further include a network layer device, where the network layer device refers to a device in a network layer in an industrial network control architecture, and may include a cloud platform and an energy management apparatus. The cloud platform can be configured to monitor the working state of the charging and battery-swapping control system, and can communicate with the main control device through a wireless network. The energy management device may communicate with the master device over a second type of bus.
In this embodiment, the master control device may send the working state of the master control device and the working state of the bay level device acquired by the master control device to the cloud platform, so that the cloud platform is facilitated to monitor the overall working state of the charging and battery-replacing control system. In this embodiment, the master control device may perform information interaction with the cloud platform by using communication technologies such as 3G/4G/5G, or may perform information interaction with the cloud platform by using a Wireless local area network technology (WiFi) based on IEEE 802.11b standard, or may perform information interaction with the cloud platform by using a TCP communication method, or may perform information interaction with the cloud platform by using a BT communication method, or may perform information interaction with the cloud platform by using a low power consumption local area network technology ZigBee based on IEEE802.15.4 standard.
Further, in a preferred technical solution provided in this embodiment, the first type bus may be an industrial ethernet bus, the second type bus may be a CANBUS bus, and the third type bus may be a MODBUS bus.
Fig. 1 exemplarily shows a structure of a charging and swapping control system in this embodiment, and as shown in the drawing, a network control architecture of the charging and swapping control system in this embodiment includes a device layer L1, a bay layer L2, a station control layer L3, and a network layer L4. Wherein, a power conversion actuating mechanism and a charging facility are arranged in the device layer L1. A battery replacing device, a charging device and an environment monitoring device are arranged in the spacing layer L2. A master control device and a man-machine interaction terminal are arranged in the station control layer L3. A cloud platform and an energy management device are arranged in the network layer L4.
Specifically, as shown in fig. 1, the charging device in the present embodiment may include a dc charging control device and an ac/dc charging control device.
The direct current charging control device may include a first communication unit, a first switching unit, and a first charging policy unit. The first communication unit can communicate with the main control device through a second type bus; the first switching unit can control the direct-current charging connector to charge the energy-carrying battery or the electric automobile needing to be charged according to the charging control instruction received by the first communication unit; the first charging strategy unit may implement a preset charging strategy, which may include control strategies such as fast charging and slow charging, charging time, and the like.
The ac/dc charging control apparatus may include a second communication unit, a second switching unit, and a second charging policy unit. The second communication unit can communicate with the main control device through a second type bus; the second switching unit can control the AC/DC charging pile to charge the energy-carrying battery or the electric automobile to be charged according to the charging control instruction received by the second communication unit; the second charging strategy unit may implement a preset charging strategy, which may include control strategies such as fast charging and slow charging, charging time, and the like.
In this embodiment, the dc charging control device and the dc charging connector may form a first charging device, the ac/dc charging control device and the ac/dc charging pile may form a second charging device, and the first charging device and/or the second charging device may be correspondingly added to meet the charging requirements of different loads, so that the charging and replacing capability of the charging and replacing station may be improved on the basis of not increasing the construction area of the charging and replacing station. Meanwhile, the operation and maintenance cost of the charging and replacing control system can be reduced by reducing the first charging device and/or the second charging device on the premise of meeting the charging requirements of different loads.
Specifically, as shown in fig. 1, the power swapping device in this embodiment may include a programmable logic controller PLC, and the programmable logic controller PLC may include a third communication unit and a power swapping policy unit. The third communication unit can communicate with the main control device through the first type bus and receive the state information of the replaceable energy-carrying battery sent by the main control device. The battery replacement strategy unit can also communicate with the battery replacement executing mechanism through the first type bus, and control the battery replacement executing mechanism to install the replaceable battery corresponding to the state information on the electric automobile according to the state information received by the third communication unit.
Specifically, as shown in fig. 1, the environment monitoring device in this embodiment may include a fourth communication unit, where the fourth communication unit may communicate with the main control device through a third type bus, and acquire the working state information of the battery swapping device transmitted by the first type bus and the working state information of the charging device transmitted by the second type bus through a software bus architecture in the main control device.
Specifically, as shown in fig. 1, the software bus architecture of the master control apparatus in this embodiment may include an ethernet communication network, a CAN master station network, a CAN slave station network, and two MODBUS master station networks. The energy management system comprises an Ethernet communication network, a CAN master station network, a CAN slave station network, an MODBUS master station network, an environment monitoring device and a human-computer interaction terminal, wherein the Ethernet communication network is communicated with a battery replacement device through the Ethernet, the CAN master station network is communicated with the charging device through a CANBUS bus, the CAN slave station network is communicated with the energy management device through the CANBUS bus, the MODBUS master station network is communicated with the environment monitoring device through the MODBUS bus, and the MODBUS master station network is communicated with the human. Meanwhile, the software bus architecture of the master control device in this embodiment may further include a data transmission layer for performing signal conversion and transmission on communication information of the ethernet communication network, the CAN master station network, the CAN slave station network, and the MODBUS master station network. The data transport layer may communicate with a database within the master control device that may store various data information within the data transport layer.
In this embodiment, both the operating state information of the power swapping device and the operating state information of the power swapping execution structure may be transmitted to the corresponding power swapping management module in the main control device through the ethernet communication network. The working state information of the charging device and the working state information of the charging facility CAN be transmitted to the corresponding charging management module in the main control device through the CAN master station network. The working state information of the environment monitoring device and the collected monitoring information can be transmitted to a corresponding environment monitoring management module in the main control device through an MODBUS master station network. The human-computer interaction terminal can transmit the collected human-computer operation information to the main control device through the MODBUS master station network, and can also display the state information of the equipment such as the battery replacement device, the charging device, the environment monitoring device, the energy management device and the like collected by the main control device through the MODBUS master station network.
Specifically, as shown in fig. 1, in this embodiment, the main control device may include a battery swapping management module for monitoring battery swapping devices in a battery charging and swapping control system such as a battery swapping device and a battery swapping execution mechanism, a charging management module for monitoring charging devices in a battery charging and swapping control system such as a charging device and a charging facility, an environment monitoring management module for monitoring an environment monitoring device, a power grid monitoring module for monitoring load electric quantity of a power grid connected to the battery charging and swapping control system, and an authentication module for performing authority authentication on the electric vehicle.
The power grid monitoring module can be configured to monitor the load electric quantity required by the power grid, and when the load electric quantity is larger than a preset load electric quantity threshold value, the energy-carrying battery is controlled to supply power to the power grid, so that the load power supply pressure of the power grid can be relieved when the peak-valley load of the power grid is intensified.
The authentication module can be configured to acquire pre-stored electric vehicle permission information when the cloud platform cannot perform permission authentication on the electric vehicle, and judge whether the pre-stored electric vehicle permission information contains permission request information of the electric vehicle: if yes, the authority authentication is judged to be passed. Namely, when the charging and battery-replacing control system is in an off-line state, authority authentication can be performed on the electric automobile. For example, when the electric vehicle sends the charging request information to the charging and battery replacement control system, the authentication module determines that the authority authentication of the electric vehicle passes, and the charging and battery replacement control system may execute a corresponding charging policy. For another example, when the electric vehicle sends the environment monitoring device query request information to the battery charging and replacing control system, the authentication module determines that the authority authentication of the electric vehicle does not pass, and the battery charging and replacing control system does not send the related information of the environment monitoring device to the electric vehicle.
Further, the main control device in the embodiment of the present invention may include the following structures, specifically:
the main control device in this embodiment may include a replaceable energy-carrying battery determining module, and the replaceable energy-carrying battery determining module may be configured to select the replaceable energy-carrying battery of the electric vehicle according to a state of charge of the energy-carrying battery. In this embodiment, the replaceable energy carrying battery may execute the above determination strategy for determining the replaceable energy carrying battery according to the state of charge, specifically:
and selecting any energy carrying battery with the charge state equal to or larger than the preset charge state threshold value as the replaceable energy carrying battery. And if the charge states of all the energy carrying batteries are smaller than the preset charge state threshold value, selecting the energy carrying battery corresponding to the maximum charge state as the replaceable energy carrying battery.
The following describes an implementation process of battery replacement performed by the main control device controlling the battery replacement device in this embodiment with reference to the drawings.
Fig. 2 exemplarily shows a battery replacement implementation flow in this embodiment, and as shown in the figure, the battery replacement of the electric vehicle in this embodiment may be performed according to the following steps:
step S101: the main control device sends a battery self-checking instruction to the electric automobile which requests to replace the battery, and the electric automobile can detect the battery state information such as the charge state, the voltage, the capacity or the temperature of the power battery after receiving the battery self-checking instruction.
Step S102: and the master control device receives a self-checking result fed back by the electric automobile, and if the self-checking result is qualified, authority authentication is carried out on the electric automobile.
Step S103: in this embodiment, it is set that the electric vehicle sends a battery replacement request to the battery charging and replacement control system, and the electric vehicle passes the authority authentication, and at this time, the main control device may start the battery replacement device after the electric vehicle passes the authority authentication.
Step S104: the main control device acquires the charging state information of each energy-carrying battery acquired by the charging device. In this embodiment, the charge state information is set to the charge state.
Step S105: and the main control device determines the replaceable energy-carrying battery according to a preset battery replacement strategy and the acquired battery state information. The battery replacement strategy may be a determination strategy of the replaceable energy-carrying battery based on the state of charge according to the above embodiment.
Step S106: and the master control device sends the state information of the replaceable energy-carrying battery to the battery replacement device. In this embodiment, the state information is set as a battery serial number, that is, the main control device sends the battery serial number of the replaceable energy-carrying battery to the battery swapping device.
Step S107: and the battery swapping device drives the battery swapping execution mechanism to install the energy-carrying battery corresponding to the battery serial number on the electric automobile according to the battery serial number determined in the step S106.
Step S108: and after the battery replacement device finishes battery replacement, the main control device sends a battery self-checking instruction to the electric automobile again. And after receiving the new battery self-checking instruction, the electric automobile detects the battery state information of the installed energy-carrying battery.
Step S109: the main control device receives a self-checking result fed back by the electric automobile, sends the self-checking result and the battery replacement information to the man-machine interaction terminal for displaying, and simultaneously can control the man-machine interaction terminal to display information such as battery replacement completion so as to remind a user of the electric automobile of completing battery replacement.
Although the foregoing embodiments describe the steps in the above sequential order, those skilled in the art will understand that, in order to achieve the effect of the present embodiments, the steps may not be executed in such an order, and may be executed simultaneously (in parallel) or in an inverse order, and these simple variations are within the scope of the present invention.
Further, the main control device in the embodiment of the present invention may include the following structures, specifically:
the main control device in this embodiment may include a mobile charging vehicle monitoring module, and the mobile charging vehicle monitoring module may be configured to monitor a working state of the mobile charging vehicle, and control the charging device to charge the energy storage device of the mobile charging vehicle when the stored electric quantity of the mobile charging vehicle is smaller than a preset stored electric quantity threshold value.
Further, the main control device in the embodiment of the present invention may include the following structures, specifically:
in this embodiment, the main control device may include a debugging module, and the debugging module may be configured to receive the preset test information and adjust the working state of the battery charging and replacing control system according to the preset test information. The preset test information in this embodiment may be test information for testing whether the battery charging and replacing control system works normally, or test information for repairing the battery charging and replacing control system.
Further, in this embodiment, the main control device may further include the following structure, specifically: the main control device in this embodiment may include a first wireless communication module, a second wireless communication module, a third wireless communication module, and a fourth wireless communication module.
The first wireless communication module can be configured to perform information interaction with the intelligent terminal through a wireless network. In this embodiment, the intelligent terminal may be a mobile phone, a mobile computer, or other terminal device, and the first wireless communication module may be a bluetooth communication module, or may also be a 3G communication module, a 4G communication module, a 5G communication module, or a Wifi communication module. In this embodiment, the specific information type included in the interaction information between the first wireless communication module and the intelligent terminal may be set in advance according to actual requirements, and for example, the specific information type may include monitoring information of a charging and battery-swapping control system transmitted by the main control device to the intelligent terminal, and may also include request information transmitted by the intelligent terminal to the main control device.
Meanwhile, "intelligent" in the present embodiment should be understood in a broad sense, which does not mean that the terminal must be smart enough or have a high enough degree of automation, but covers any terminal capable of performing information interaction with the first wireless communication module, whether it is considered intelligent or not.
The second wireless communication module can be configured to perform information interaction with a preset local area network. In this embodiment, the second wireless communication module may adopt a Zigbee communication module or a BT communication module, or may adopt a 3G communication module, a 4G communication module, a 5G communication module, or a Wifi communication module. The Zigbee communication module is a communication module for performing information interaction by adopting a low-power local area network technology based on an IEEE802.15.4 standard, and the BT communication module is a communication module for performing information interaction by adopting a BT communication mode. In this embodiment, the specific information type included in the interaction information between the second wireless communication module and the preset local area network may be set in advance according to actual requirements, for example, the specific information type may include monitoring information of a charging and swapping control system transmitted from the main control device to the preset local area network, and may also include request information transmitted from the preset local area network to the main control device.
The third wireless communication module can be configured to perform information interaction with the electric vehicle through a wireless network. In this embodiment, the third wireless communication module may adopt a Wifi communication module, and may also adopt a 3G communication module, a 4G communication module, or a 5G communication module. In this embodiment, the interaction information between the third wireless communication module and the electric vehicle may be set in advance according to actual requirements, and for example, the interaction information may include position information of a battery charging and replacing control system transmitted by the main control device to the electric vehicle, and may also include battery charging and replacing request information transmitted by the electric vehicle to the main control device.
The fourth wireless communication module may be configured to perform information interaction with the cloud platform through a wireless network. In this embodiment, the fourth wireless communication module may adopt a 3G communication module, a 4G communication module, a 5G communication module, or an ethernet communication module, or may also adopt a Wifi communication module, a Zigbee communication module, or a BT communication module. In this embodiment, the interaction information between the fourth wireless communication module and the cloud platform may be set in advance according to actual requirements, for example, the interaction information may include monitoring information of a charging and swapping control system transmitted from the main control device to the cloud platform, and may also include control information transmitted from the cloud platform to the main control device.
Further, in this embodiment, the main control device may further include the following structure, specifically: in this embodiment, the main control device may further include a voice module, and the voice module may be configured to output voice prompt information. For example, the voice information of the charging completion information can be output when the charging of the energy-carrying battery and the electric vehicle is completed, or the warning information can be converted into the voice information to be played after the environment monitoring device collects the warning information.
Further, in another preferred technical solution provided in this embodiment, the charging device may include the following structure, specifically: the charging device in this embodiment may include a rectifying module, a first charging plate, and a second charging plate.
The rectifying module can be used for converting alternating current charging current or direct current charging current into charging current usable by an energy-carrying battery or an electric automobile. For example, the rectifier module may convert the ac charging current into a dc charging current usable by an energy-carrying battery or an electric vehicle; the rectification module can also perform power regulation on the direct current charging current, and convert the direct current charging current into the direct current charging current available for the energy-carrying battery or the electric automobile.
The first charging plate is connected with the rectifying module and can be used for charging the energy-carrying battery. The second charging plate is connected with the rectifying module and can be used for charging the electric automobile. In this embodiment, the first charging plate and the second charging plate may be connected to respective rectifying modules, or may be connected to the same rectifying module. When the second charging plate charges the electric automobile, the second charging plate substantially charges a power battery installed on the electric automobile, so that the first charging plate and the second charging plate can share the same rectifying module under the condition that the charging power of the energy-carrying battery is the same as that of the power battery, the number of the rectifying modules in the charging device can be reduced, and the configuration cost of the charging device can be reduced.
Fig. 4 exemplarily shows a structural example of the charging device in the present embodiment, and as shown in the drawing, the charging device in the present embodiment may include one or more first charging plates, and one or more second charging plates. Wherein, first charging panel can charge to carrying the ability battery, and the second charging panel can carry out whole car to electric automobile and charge, directly charges to electric automobile's power battery promptly.
Specifically, as shown in fig. 4, the charging device in this embodiment includes ten first charging plates and two second charging plates, that is, ten energy-carrying batteries or two electric vehicles can be charged at the same time. Each first charging plate is connected with one rectifying module, and the two second charging plates share one rectifying module with the first charging plate.
Further, in another preferred technical solution provided in this embodiment, the battery replacement device may include the following structure, specifically: the charging device in this embodiment may include a battery replacement executing mechanism, a battery replacement control unit, and a display unit.
The battery replacement control unit can be configured to receive the state information of the replaceable energy-carrying battery sent by the main control device and send a battery replacement instruction to the battery replacement execution mechanism according to the received state information. The display unit can be used for displaying the working state of the battery replacing device. The battery replacement actuator can be used for executing specific operation steps of battery replacement.
The power exchanging execution mechanism in the embodiment can comprise a vehicle platform, a battery carrying device and a battery replacing device.
Wherein the vehicle platform can be used for parking, and/or moving, and/or lifting the electric vehicle. For example, the vehicle platform may include a vehicle parking device that may park the electric vehicle in a preset area, and/or a vehicle moving device that may move the electric vehicle requiring battery replacement to the preset area, and/or a vehicle lifting device that may lift the electric vehicle requiring battery replacement or the electric vehicle already in the preset area to a preset position.
The battery handling apparatus may be used to transfer power batteries to a battery rack or to transfer energy carrying batteries to a vehicle platform. For example, the battery handling device may include a battery transport device, a scissor fork lift device, and a locking and unlocking device. The battery transmission device can transmit the power battery from the vehicle platform to the battery rack for charging, and also can transmit the energy-carrying battery from the battery rack to the vehicle platform for installing the energy-carrying battery on the electric automobile. The scissor fork lifting device can lift the power battery or the energy-carrying battery, so that the battery transmission is facilitated. The locking and unlocking device can fix the power battery or the energy-carrying battery, and faults such as battery position deviation or falling off in the transmission or lifting process are prevented.
The battery replacing device can be connected with the battery replacement control unit through a wireless network or connected with the battery replacement control unit through a wired network, and can be used for replacing a power battery of an electric automobile. For example, the battery replacement device may include a battery lifting device and a battery plugging device. The battery lifting device can lift the energy-carrying battery to a preset height, and the battery plugging device can install the energy-carrying battery at the preset height on the electric automobile, such as fixedly connecting the energy-carrying battery with a battery interface of the electric automobile. For another example, the battery replacing device may also include a battery transmission device and a battery plug device. The battery transmission device can transmit the energy-carrying battery to a preset region, and the battery plugging device can install the energy-carrying battery on the electric automobile at the preset region, such as fixedly connecting the energy-carrying battery with a battery interface of the electric automobile.
Fig. 3 exemplarily shows a structure of the power exchanging device in the present embodiment, and as shown in the figure, the power exchanging device in the present embodiment may include a power exchanging actuator, a power exchanging control unit, and a display unit. The vehicle moving platform in the battery replacement executing mechanism comprises a vehicle moving device 11 and a vehicle lifting device 12, the battery carrying device comprises a battery conveying device 13, a scissor fork lifting device 14 and a locking and unlocking device 15, one battery replacing device comprises a battery lifting device 16 and a battery plugging device 17, and the other battery replacing device comprises a battery transmission device 18 and a battery plugging device 19.
In this embodiment, the power conversion control unit drives the power conversion executing mechanism to operate by controlling the rotation mode of the motor. The driving motors of the vehicle moving device 11 and the vehicle lifting device 12 can directly communicate with the battery replacement control unit through the I/O modules, respectively. The driving motors of the battery transmission device 13, the scissor fork lifting device 14 and the locking and unlocking device 15 can be connected into an interface controller through an I/O module, and then are communicated with the battery replacement control unit through the interface controller. The driving motors of the battery lifting device 16 and the battery plugging device 17 can be connected to an interface controller through an I/O module, and then wirelessly communicated with the battery replacement control unit through the interface controller. Correspondingly, the driving motors of the battery transmission device 18 and the battery plug-in device 19 can also be connected to an interface controller through an I/O module, and then wirelessly communicated with the battery replacement control unit through the interface controller. In this embodiment, the interface controller may adopt a CP343 ethernet communication module.
Further, in a preferred technical solution of a battery charging and swapping control system provided in this embodiment, the battery charging and swapping control system may further include the following structure, specifically:
fig. 5 exemplarily shows a structure of the battery charging and replacing control system in this embodiment, and as shown in the figure, the battery charging and replacing control system in this embodiment may further include devices or modules such as an electric meter, a switching value input/output channel, a water-cooling device interface, a temperature acquisition device, a waterproof device, an emergency stop button, and a flexible control unit. The ammeter can be used for measuring the charging electric quantity of the charging and replacing control system, the switching value input/output channel can be used for transmitting switching value signals of the main control device and external equipment of the main control device, the water-cooling equipment interface can be used for connecting water-cooling equipment, the temperature acquisition device can be used for acquiring temperature information of the main control device, the waterproof equipment can be used for carrying out waterproof protection on the main control device, and the emergency stop button can be used for forcing the charging and replacing control system to stop running when a fault affecting the safe running of the charging and replacing control system occurs. The flexible control unit refers to an execution component involved in operations such as charging control or battery replacement control performed by the battery charging and replacement control system, and the execution component can execute a preset action after receiving a preset control instruction. For example, the executing component may be a dc switch in the charging device, and the dc switch may be closed after receiving the charging closing instruction, so that the charging device may output a dc charging current to the energy-carrying battery.
Meanwhile, the battery charging and replacing control system in the embodiment may further include a routing device, so that the main control module may perform information interaction with the cloud platform through the routing device and communicate with the security device.
Based on the embodiment of the battery charging and swapping control system, the embodiment of the invention also provides a battery charging and swapping station, which comprises a battery charging and swapping control management device. The charging and replacing control management device can comprise the charging and replacing control system in the embodiment of the charging and replacing control system, can reasonably expand the charging and replacing power station to meet the increasing charging and replacing requirements of electric vehicles under the condition of not increasing the construction area of the charging and replacing power station, and can also improve the information interaction between the charging and replacing power station and a power grid or a mobile charging vehicle to maintain the stable operation of the power grid and the mobile charging vehicle.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the invention, any of the claimed embodiments may be used in any combination.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some or all of the components in a server, client, or the like, according to embodiments of the present invention. The present invention may also be embodied as an apparatus or device program (e.g., PC program and PC program product) for carrying out a portion or all of the methods described herein. Such a program implementing the invention may be stored on a PC readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed PC. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (21)

1. A charging and battery-replacing control system comprises a spacer layer device and a station control layer device, and is characterized in that,
the bay level equipment comprises a battery replacement device and a charging device; the battery replacement device is configured to drive the battery replacement executing mechanism to replace a power battery of the electric automobile; the charging device is configured to drive a charging facility to charge the energy-carrying battery and/or the electric automobile;
the station control layer equipment comprises a master control device; the main control device is communicated with the battery replacement device through a first type bus and communicated with the charging device through a second type bus;
the main control device is configured to control the charging device to charge the energy-carrying battery and/or the electric vehicle, and/or determine a replaceable energy-carrying battery of the electric vehicle according to the charging state information of the energy-carrying battery fed back by the charging device, and control the battery replacement device to replace the determined replaceable energy-carrying battery with the electric vehicle;
the interlayer equipment also comprises an environment monitoring device which is communicated with the main control device through a third type bus; the environment monitoring device is configured to monitor the working states of the battery replacement device, the charging device and the security equipment in the system;
wherein the system further comprises a network layer device; the network layer equipment comprises a cloud platform and an energy management device; the cloud platform is configured to monitor the working state of the system;
the cloud platform is communicated with the main control device through a wireless network, and the energy management device is communicated with the main control device through the second type bus or the wireless network;
the station control layer equipment also comprises a human-computer interaction terminal which is communicated with the main control device through the third type bus;
wherein the first type bus is an industrial Ethernet bus;
the second type bus is a CANBUS bus;
the third type bus is a MODBUS bus.
2. The battery charging and replacing control system according to claim 1,
the master control device comprises a charging management module;
the charging management module is configured to acquire a preset charging strategy stored by the cloud platform and electric vehicle charging request information received by the cloud platform, generate a charging instruction according to the acquired preset charging strategy and electric vehicle charging request information, and control the charging device to charge the electric vehicle according to the generated charging instruction; or the charging device is configured to control the charging device to charge the electric vehicle according to a charging instruction issued by the cloud platform;
the charging instruction issued by the cloud platform is a charging instruction generated by the cloud platform on the cloud platform according to the stored preset charging strategy and the received electric vehicle charging request information;
the electric vehicle charging request information comprises expected travel distance, expected travel time and power battery state information of the electric vehicle.
3. The battery charging and replacing control system according to claim 2,
the preset charging strategy is to sequentially control the charging device to charge the electric vehicles corresponding to the electric vehicle charging request information according to the time sequence of the cloud platform receiving the electric vehicle charging request information.
4. The battery charging and replacing control system according to claim 1,
the main control device also comprises a battery replacement management module;
the battery replacement management module is configured to acquire a preset battery replacement strategy stored by the cloud platform and electric vehicle battery replacement request information received by the cloud platform, generate a battery replacement instruction according to the acquired preset battery replacement strategy and electric vehicle battery replacement request information, and control the battery replacement device to replace a power battery of the electric vehicle according to the generated battery replacement instruction; or the power battery replacement device is configured to control the power battery replacement device to replace the power battery of the electric automobile according to a power battery replacement instruction issued by the cloud platform;
the power swapping instruction issued by the cloud platform is a power swapping instruction generated by the cloud platform on the cloud platform according to the stored preset power swapping strategy and the received electric vehicle power swapping request information;
the electric vehicle battery replacement request information comprises expected travel distance, expected travel time and power battery state information of an electric vehicle owner.
5. The battery charging and replacing control system according to claim 4,
the preset battery replacement strategy comprises a first battery replacement strategy and a second battery replacement strategy;
the first battery replacement strategy is to sequentially control a battery replacement device to replace power batteries of electric vehicles corresponding to the electric vehicle battery replacement request information according to the time sequence of the cloud platform receiving the electric vehicle battery replacement request information;
and the second battery replacement strategy is to sequentially control the battery replacement device to replace the power battery of the electric vehicle corresponding to the battery replacement request information according to the sequence of the expected travel distance in the battery replacement request information of each electric vehicle from large to small.
6. The battery charging and replacing control system according to claim 1,
the main control device also comprises a replaceable energy-carrying battery determining module; the replaceable energy-carrying battery determining module is configured to select a replaceable energy-carrying battery of the electric vehicle according to the state of charge of the energy-carrying battery, and specifically includes:
selecting any energy carrying battery with the charge state equal to or larger than a preset charge state threshold value as a replaceable energy carrying battery;
and if the charge states of all the energy carrying batteries are smaller than the preset charge state threshold value, selecting the energy carrying battery corresponding to the maximum charge state as the replaceable energy carrying battery.
7. The battery charging and replacing control system according to claim 1,
the master control device also comprises an authentication module; the authentication module is configured to acquire pre-stored electric vehicle permission information when the cloud platform of the system cannot perform permission authentication on the electric vehicle, and determine whether the pre-stored electric vehicle permission information includes permission request information of the electric vehicle: if yes, the authority authentication is judged to be passed.
8. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the power grid monitoring module is configured to monitor the load electric quantity required by the power grid and control the energy-carrying battery to supply power to the power grid when the load electric quantity is greater than a preset load electric quantity threshold value.
9. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the debugging module is configured to receive preset test information and adjust the working state of the system according to the preset test information.
10. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the first wireless communication module is configured to perform information interaction with the intelligent terminal through a wireless network.
11. The battery charging and replacing control system of claim 10,
the first wireless communication module comprises a bluetooth communication module.
12. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the second wireless communication module is configured to perform information interaction with a preset local area network.
13. The battery charging and replacing control system of claim 12,
the second wireless communication module comprises a Zigbee communication module.
14. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the third wireless communication module is configured to perform information interaction with the electric automobile through a wireless network.
15. The battery charging and replacing control system of claim 14,
the third wireless communication module comprises a Wifi communication module.
16. The battery charging and replacing control system according to claim 1,
the master control device further comprises:
and the fourth wireless communication module is configured to perform information interaction with the cloud platform of the system through a wireless network.
17. The battery charging and replacing control system of claim 16,
the fourth wireless communication module comprises a 3G communication module and/or a 4G communication module and/or a 5G communication module and/or an Ethernet communication module.
18. The battery charging and replacing control system according to claim 1,
the charging device includes:
the rectifying module is used for converting the alternating current charging current or the direct current charging current into charging current available for an energy-carrying battery or an electric automobile;
the first charging plate is connected with the rectifying module and used for charging an energy-carrying battery;
and the second charging plate is connected with the rectifying module and is used for charging the electric automobile.
19. The battery charging and replacing control system according to claim 1,
the battery replacement device comprises:
a battery replacement actuating mechanism;
the battery replacement control unit is configured to receive the state information of the replaceable energy-carrying battery sent by the main control device and send a battery replacement instruction to the battery replacement execution mechanism according to the received state information;
and the display unit is used for displaying the working state of the battery replacement device.
20. The battery charging and replacing control system of claim 19,
the battery replacement actuating mechanism comprises:
a vehicle platform for electric vehicle parking and/or moving and/or lifting;
the battery carrying device is used for transmitting the power battery to the battery rack or transmitting the energy-carrying battery to the vehicle platform;
a battery replacement device connected to the battery replacement control unit; the battery replacing device is used for replacing a power battery of the electric automobile.
21. A charging and swapping station comprising a charging and swapping control management device, wherein the charging and swapping control management device comprises a charging and swapping control system according to any one of claims 1-20.
CN201710337493.1A 2017-05-15 2017-05-15 Charging and battery replacing station and charging and battery replacing control system Active CN107161020B (en)

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