CN111976532A - Automatic charging control method and system for mobile charger - Google Patents
Automatic charging control method and system for mobile charger Download PDFInfo
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- CN111976532A CN111976532A CN202010859909.8A CN202010859909A CN111976532A CN 111976532 A CN111976532 A CN 111976532A CN 202010859909 A CN202010859909 A CN 202010859909A CN 111976532 A CN111976532 A CN 111976532A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- 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)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an automatic charging control method and system for a mobile charger. The method comprises the steps of charging preparation, charging connection, charging implementation and charging completion, wherein the electric vehicle to be charged is close to and parked at the information communication terminal, the mobile charger automatically moves to the position of a charging interface of the electric vehicle and interacts with the information communication terminal, the charging interface of the electric vehicle is automatically connected and the electric vehicle is charged, and the mobile charger automatically leaves after the charging is completed. The mobile charger can also automatically supplement power, perform fire safety protection and complete the charging process under the monitoring and scheduling of the cloud charging platform. The method improves the intelligent management level of the electric vehicle charging, reduces the limitation on the charging site, is beneficial to reducing the charging cost, and has advantages in the aspects of safety and convenience.
Description
Technical Field
The invention relates to the technical field of electric power charging, in particular to an automatic charging control method and system for a mobile charger.
Background
The off-board direct current charger has the function of charging electric vehicles, and the existing charger is generally fixed at a certain position in a form of a fixed pile, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades.
The existing charging pile needs to be manually inserted into a charging port of an automobile through a charging plug, a switch is turned on, charging is carried out, time can be consumed, and operation cost is high. Simultaneously because the place reason leads to the vehicle can not stop in the charging range who fills electric pile, and the rifle head that charges can't reach the vehicle interface that charges, still needs to remove the vehicle many times, causes unnecessary trouble, waste time moreover.
The prior art requires a power load with a capacity corresponding to that of a direct current charger, the power capacity expansion time period is long, the line reconstruction cost is high, and the engineering is complex. Especially, the old cell does not have the capacity expansion condition at all. In addition, because the rate of utilization and the ageing risk of battery charging outfit of charging station to and consider the influence of outdoor environment and bad weather, the operating personnel that charges has the high voltage risk of electrocuting.
Disclosure of Invention
The invention mainly solves the technical problems of providing an automatic charging control method and system for a mobile charger, and solving the problems of low intelligent degree of charging, limited charging field, inconvenience and flexibility in charging and the like of an electric vehicle in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that an automatic charging control method of a mobile charger is provided, and the automatic charging control method comprises the following steps: the method comprises the following steps that charging preparation is carried out, an electric vehicle to be charged is close to and stops at an information communication terminal used for sensing the electric vehicle, the information communication terminal is in communication connection with the electric vehicle and carries out information interaction, and when the electric vehicle is confirmed to be a charging registered user, a mobile charger automatically moves to the position of a charging interface of the electric vehicle and also establishes communication connection with the information communication terminal and carries out information interaction; the electric vehicle automatically opens the charging cabin cover under the coordination control of the information communication terminal, the mobile charger identifies the charging cabin cover, automatically inserts a charging plug of a charging gun into a charging socket in the charging cabin and establishes wired communication connection with the electric vehicle; the mobile charger also synchronously detects whether the charging is finished or not in the charging process, and stops charging the electric vehicle after the charging is finished; and after charging, the mobile charger automatically pulls out a charging plug of the charging gun from a charging socket in the charging cabin, the mobile charger and the electric vehicle respectively feed back charging completion to the information communication terminal, and the mobile charger automatically leaves.
Preferably, after the charging is finished, the mobile charger detects the residual electric energy of the mobile charger, and when the electric energy needs to be supplemented, the mobile charger moves to the parking power supplementing end, and the parking power supplementing end charges the mobile charger with the additional electric energy.
Preferably, the mobile charger automatically judges the self health state in real time, and in the charging or power supplementing process, if abnormal conditions occur, the mobile charger can be disconnected from the corresponding connection, and automatically drives into a sealed fireproof safe fire fighting end for safe processing.
Preferably, the mobile charging system further comprises an information communication terminal and a cloud charging platform, wherein the information communication terminal is in information interconnection with the cloud charging platform, user registration and inquiry are carried out under the monitoring of the cloud charging platform, and the mobile charging machine is also in information interconnection with the cloud charging platform and is used for mobile charging under the scheduling of the cloud charging platform.
Preferably, the mobile charger shares a charging plug of the same charging gun to charge the electric vehicle respectively, and the power is supplemented from the parking power supplementing end.
The invention also provides an automatic charging control system of the mobile charger, which comprises an information communication terminal and the mobile charger, wherein the information communication terminal senses the electric vehicle to be charged which is close to stop and informs the mobile charger to automatically move to the electric vehicle to be charged to charge the electric vehicle.
Preferably, the electric vehicle charging system further comprises a parking power supplementing end, and when the mobile charger completes charging of the electric vehicle, the mobile charger automatically moves to the parking power supplementing end to park and/or supplement power.
Preferably, still include safe fire control end, go on safety protection to portable machine that charges after the abnormity appears.
Preferably, the intelligent electric vehicle further comprises a cloud charging platform, wherein the cloud charging platform is respectively in communication interconnection with the information communication terminal and the mobile charger, so that the electric vehicle is subjected to user management, and the mobile charger is commanded and scheduled to be charged.
Preferably, the charging gun interface of the charging gun of the mobile charger comprises a charging interface and a complementary electrical interface.
The invention has the beneficial effects that: the invention discloses an automatic charging control method and system for a mobile charger. The method comprises the steps of charging preparation, charging connection, charging implementation and charging completion, wherein the electric vehicle to be charged is close to and parked at the information communication terminal, the mobile charger automatically moves to the position of a charging interface of the electric vehicle and interacts with the information communication terminal, the charging interface of the electric vehicle is automatically connected and the electric vehicle is charged, and the mobile charger automatically leaves after the charging is completed. The mobile charger can also automatically supplement power, perform fire safety protection and complete the charging process under the monitoring and scheduling of the cloud charging platform. The method improves the intelligent management level of the electric vehicle charging, reduces the limitation on the charging site, is beneficial to reducing the charging cost, and has advantages in the aspects of safety and convenience.
Drawings
Fig. 1 is a schematic diagram illustrating the components of an embodiment of an automatic charging control system of a mobile charger according to the present invention;
fig. 2 is a flowchart illustrating an embodiment of an automatic charging control method for a mobile charger according to the present invention;
fig. 3 is a flowchart illustrating an operation of another embodiment of the automatic charging control method of the mobile charger according to the present invention;
fig. 4 is a flowchart illustrating an operation of another embodiment of the automatic charging control method of the mobile charger according to the present invention;
fig. 5 is a flowchart illustrating an operation of another embodiment of the automatic charging control method of the mobile charger according to the present invention;
fig. 6 is an interface schematic diagram of another embodiment of the automatic charging control system of the mobile charger according to the invention;
fig. 7 is a flowchart illustrating an operation of another embodiment of the automatic charging control method of the mobile charger according to the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, in a working scene of the automatic charging control system of the mobile charger, the automatic charging control system of the mobile charger includes the mobile charger (also referred to as a mobile charging terminal) and an information communication terminal, the mobile charger is a robot capable of moving by itself, and includes not only a traveling mechanism, but also a storage battery for charging an electric vehicle, a mechanical arm for connecting a charging interface of the electric vehicle, and a communication module for performing wireless communication interaction with the information communication terminal. The information communication terminal is generally fixedly installed on the ground, and is provided with an identifier for guiding the electric vehicle to be parked nearby, and when the vehicle to be charged is parked nearby, the information communication terminal can sense the electric vehicle. In addition, the electric vehicle includes not only an electric vehicle, but also various vehicles and self-propelled equipment using electric energy as a power source, such as an electric bus, an electric bicycle, an electric engineering vehicle and the like.
Preferably, the information communication terminal identifies the license plate or the identification of the electric vehicle through video sensing, so as to further analyze and judge whether the electric vehicle belongs to a registered user, when the electric vehicle belongs to the registered user, the information communication terminal can perform charging service for the corresponding vehicle, and when the electric vehicle does not belong to the registered user, the information communication terminal needs to remind the corresponding vehicle of registration.
Preferably, the information communication terminal performs information interaction with the electric vehicle in a wireless communication manner, so as to obtain related information of the vehicle and a processing manner of whether the corresponding vehicle is the registered user, which is not described herein again. Furthermore, the current residual electric quantity condition of the corresponding vehicle can be further directly obtained through information interaction with the electric vehicle, so that parameters such as an electric quantity value and charging time required for charging the vehicle and the type of a charging interface of the vehicle are calculated, then matching selection is carried out on a plurality of existing mobile chargers, and the most suitable mobile charger is found for matching charging the vehicle.
Further, when the information communication terminal confirms that the electric vehicle approaching to stop needs to be charged, the information communication terminal searches nearby mobile chargers, selects the most suitable matching charger from the mobile chargers, and then informs and guides the corresponding mobile charger to automatically move to the electric vehicle nearby the information communication terminal to prepare for charging.
Furthermore, the automatic charging control system of the mobile direct-current charger further comprises a cloud charging management platform, the mobile charger, the information communication terminal and the electric vehicle can be communicated and interconnected with the cloud charging management platform, and the various information interactions can be carried out under the monitoring of the cloud charging management platform. Specifically, as shown in fig. 2, after the electric vehicle enters the charging parking space, the information communication terminal detects the in-place state of the vehicle, establishes wireless communication with the vehicle, and acquires the vehicle identity information. Then, the information communication terminal reports corresponding vehicle identity information to the cloud charging management platform, and if vehicle data are registered in the cloud charging management platform, the cloud charging management platform intelligently schedules the most reasonable mobile charging terminal to go to the vehicle side to be charged according to the historical charging big data of the vehicle; if the vehicle data is not registered in the cloud charging management platform, the cloud charging management platform can actively inform the vehicle owner of registration and issue a corresponding registration guide flow, and after the registration is completed, the most reasonable mobile charging terminal is dispatched to the vehicle side to be charged. Therefore, the cloud charging management platform plays a role of central control scheduling, and the mobile charger selects charging under the scheduling of the cloud charging management platform.
Further, referring to fig. 3, when the mobile charger reaches the vicinity of the electric vehicle matched with the mobile charger, the mobile charger establishes wireless communication with the electric vehicle to communicate information, for example, the wireless communication is realized through a wireless local area network of a charging station, and starts a charging operation. Through the process, the electric vehicle is about to enter a charging state, the hatch cover of the charging port of the electric vehicle can be automatically opened, the vehicle is automatically set to a safe charging state, and a mechanical arm of the mobile charger is waited to connect the charging end to the charging port of the electric vehicle.
Preferably, the electric vehicle automatically opens a charging hatch cover of the vehicle according to an instruction of a charging mobile charger; preferably, after the cover of the charging port of the electric vehicle is opened for more than a preset time, if no charging terminal is connected to the charging port, the electric vehicle will automatically cover the cover. The electric vehicle can be prevented from waiting for a long time without being charged in the mode, and the electric vehicle is a safety protection function.
Preferably, the mobile charger drives the charging gun to be close to the charging socket of the electric automobile through the mechanical arm, and the action of automatically inserting the charging end is executed after the accurate position is obtained through the video recognition system.
The process is realized based on the communication between the mobile charger and the electric vehicle, and when the mobile charger and the electric vehicle can not directly establish communication, the information communication terminal can be used as an intermediate information intercommunication bridge to establish information intercommunication of a charging connection stage between the electric vehicle and the mobile charger.
As shown in fig. 3, after the electric vehicle receives the charging command from the telematics terminal, the hatch cover of the charging port is automatically opened, and at the same time, the telematics terminal establishes a wireless connection with the mobile charger to notify the mobile charger of starting the gun insertion operation, that is, the charging terminal is connected to the charging port of the electric vehicle, and in the process, the charger recognizes the charging port socket of the electric vehicle through its vision system and completes the automatic insertion of the charging gun.
Preferably, after the charging connection between the mobile charger and the electric vehicle is completed, the charging interfaces of the mobile charger and the electric vehicle further perform connection safety check. The electric vehicle detects whether the charging gun is plugged or not through a CC2 signal in the charging interface, and the mobile charger detects whether the charging gun is plugged or not through a CC1 signal.
Preferably, after the mobile charger and the electric vehicle confirm that the charging gun in-place plugging signal is received, the charging process is automatically executed, and at the moment, the two sides communicate through a CAN bus in the charging gun.
Preferably, during the charging period, the mobile charger adjusts the power output in real time according to the requirement of the electric vehicle, for example, the mobile charger performs charging according to the national standard GBT18487, because the mobile charger uses the energy storage battery as an input energy source, there is no impact on the power grid, and the mobile charger is not limited by the power load. Preferably, the maximum storage capacity of the charger is 100kwH, and the maximum output current is 200A, so that almost all vehicle charging requirements can be met.
Preferably, during the charging period, the mobile charger and the electric vehicle judge whether charging is finished through CAN communication, and if the charging is finished, the gun pulling operation is executed; the mobile charger informs the charging vehicle of the completion of charging and the completion of gun pulling operation, the vehicle automatically closes the charging hatch cover, and the two parties communicate wirelessly after pulling the gun, wherein the wireless communication is established between the two parties, or the transfer communication is carried out through an information communication terminal.
Preferably, the mobile charger informs the information communication terminal after finishing charging, and then the cloud charging platform controls the charger to return to a preset position or directly guides the mobile charger to charge other vehicles. And after the information communication terminal receives the information of the charging completion, the cloud charging platform is informed to complete the charging order and settle the charging cost.
Further, as shown in fig. 4, the automatic charging control system of the mobile charger further includes a parking power supply end, and the parking power supply end is a charging facility for charging and supplying power to the mobile charger. When the mobile charger detects that the electric quantity is insufficient, the mobile charger automatically moves to the parking power supplementing end, and the parking power supplementing end supplements and charges the mobile charger. In addition, the parking power supplement end is also a position where the mobile charger is stored at ordinary times, namely after the mobile charger finishes charging the electric vehicle, the electric vehicle does not need to be supplemented with charging immediately, and the electric vehicle returns to the parking power supplement end to be stored.
Preferably, after the movable charger finishes charging and pulling the gun, the cloud charging platform controls the movable charger to return to the optimal parking power supplementing end. If the mobile charger intelligently judges that power supplement is not needed, the mobile charger only stops at a parking position; if the power is needed to be supplemented, the charger acquires the accurate power supplementing power position through a video recognition system and then executes automatic gun inserting action, and the charger is connected with commercial power for power supplement, and the charging gun has no current at the moment; after the mobile charger confirms that the charging gun is inserted in place, the alternating current input and the direct current output are automatically controlled, so that the function of supplementing electricity for the energy storage battery is achieved.
Preferably, during the electricity supplementing period, because the influence of the low-current charging of the energy storage battery on the service life of the battery is small, the power for supplementing the electricity by the energy storage battery is smaller than the power for charging the electric vehicle by the mobile charger, the requirement on the power load is low, the dynamic adjustment can be performed according to the actual situation, the charging requirement is met under the condition that the power expansion is not increased, and the input cost is reduced. Electricity can be supplemented during the electricity valley, the electric vehicle is charged by the peak value, the electricity price difference is earned, and the operation income is further improved; after the electricity is supplemented, the charger automatically pulls out the gun and is physically disconnected with the power grid, so that the safety is ensured. And the electric vehicle is charged under the control of the cloud charging platform next time.
Furthermore, the automatic charging control system of the mobile charger further comprises a safety fire-fighting end, wherein the safety fire-fighting end is used for carrying out safety protection processing on the mobile charger, and potential safety hazards such as battery explosion and ignition of the mobile charger are avoided. The mobile charger automatically judges the self health state in real time, and performs corresponding actions according to different states, if the mobile charger warns on fire, the mobile charger automatically enters a safe fire-fighting end, so that the accident is prevented from being expanded and innocent equipment and vehicles are avoided.
Preferably, in the charging and power supplementing processes, if abnormal fire conditions occur, the mobile charging machine can be disconnected correspondingly and automatically drives into the sealed fireproof safe fire-fighting end. In addition, whether the fire risk exists is judged through the health state of the energy storage battery, such as the charging and discharging voltage, the current, the temperature and other information of the battery, the detection is pre-judged, the operation is started before the judgment condition is reached, and the automatic driving to a safe fire-fighting end is ensured.
With the above, fig. 5 also shows the composition and interaction relationship of the system as a whole, and after the electric vehicle is parked in the charging parking space, the information communication terminal acquires the parking state of the vehicle, identifies the identity information of the vehicle, and sends the identity information to the cloud charging platform. The cloud charging platform sends an optimal mobile charger to drive to a vehicle to be charged, the mobile charger and the vehicle to be charged communicate through the information communication terminal, starting charging is controlled, the mobile charging terminal and the electric vehicle are charged according to the GB/T18487 standard in the charging stage, after charging is finished, the information communication terminal reports that the charging is finished to the cloud charging platform, and the cloud charging platform controls the mobile charger to return to an optimal parking power supplementing end to supplement power or wait for next charging. If the mobile charger has health early warning, especially fire early warning, the mobile charger automatically drives into a safety fire fighting end to carry out self-isolation. For the detailed process, reference may be made to the foregoing description, which is not repeated herein.
Furthermore, the present invention further describes a charging gun interface of the mobile charger, as shown in fig. 6. The charging gun interface is the same connecting interface which is used for charging the electric vehicle and supplementing power from the parking power supplementing end. The charging gun interface comprises a charging interface and a complementary electric interface.
Preferably, the mobile charger includes a charge and discharge controller inside, the charge and discharge controller is provided with a power detection pin, the power detection pin is electrically connected with a voltage dividing resistor R4, the other end of the voltage dividing resistor R4 is respectively and correspondingly connected with a charging ground port and a power supplementing ground port, the charging ground port is used for being connected to a vehicle body ground pin of a vehicle controller inside the electric vehicle when the electric vehicle is charged, and the power supplementing ground port is used for being connected to a protection ground pin inside the electric vehicle when the power supplementing end is parked for supplementing power. Preferably, the power detection pin has different detection voltages under two conditions of charging and power compensation, when the detected voltage is 6V, the power detection pin can identify and judge that the charging interface is accessed to the parking power compensation end to be charged, and when the detected voltage is 4V, the power detection pin can judge that the charging interface is accessed to the electric vehicle to be charged.
Preferably, the charging interface comprises two direct current power supply ports which are connected with a battery pack in the electric vehicle, namely a positive direct current power supply port DC + and a negative direct current power supply port DC-; the system also comprises two signal ports, namely a positive signal port S + and a negative signal port S-, which are in information interconnection between a vehicle controller inside the electric vehicle and a charge-discharge controller inside the mobile charger; the power supply system comprises a vehicle controller inside the electric vehicle and two auxiliary power supply ports connected between an auxiliary power supply inside a mobile charger, namely a positive auxiliary power supply port A + and a negative auxiliary power supply port A-; also included are a charge detection port CC2 and a charge ground port PE. (see fig. 6)
Furthermore, the power supplementing interface comprises a first power supplementing port A and a second power supplementing port C, the two power supplementing ports are connected to a parking power supplementing port, the two power supplementing ports can be power supplementing ports for inputting alternating current of commercial power or direct current after alternating current and direct current conversion, the first power supplementing port A and the second power supplementing port C are further connected to a power conversion module in the mobile charger through a controllable access switch, and the power conversion module is compatible with alternating current input or direct current input; still further include the supplementary electric port B who is connected with the inside auxiliary power supply of mobile charger between, and tonifying electricity ground connection port PE, this is connected with charging ground connection port PE directly.
Furthermore, a power conversion module compatible with alternating current and direct current input is arranged in the mobile charger, the module can convert the power of the input alternating current or direct current and output the converted power in the form of direct current, and on one hand, the module can be used for charging an energy storage battery in the mobile charger and on the other hand, the module can also be used for directly outputting the direct current in an external charging mode.
Preferably, a plurality of controllable switches are arranged on the input line and the output line of the power conversion module, and the controllable switches are controlled by a charge-discharge controller inside the mobile charger. Preferably, the power conversion device comprises a first control switch K1 and a second control switch K2, one end of each of the two switches is correspondingly connected to two DC output ends of the power conversion module, and the other end of each of the two switches is correspondingly electrically connected to a positive DC power port DC + and a negative DC power port DC-in the charging interface. When the battery pack in the electric vehicle needs to be charged, the charging and discharging controller controls the first control switch K1 and the second control switch K2 to be conducted, meanwhile, the vehicle controller in the electric vehicle also controls the fifth control switch K5 and the sixth control switch K6 which are connected with the battery pack in the electric vehicle to be conducted, and therefore the charging of the battery pack in the electric vehicle can be achieved.
Preferably, when the power conversion module inputs alternating current or direct current to perform power conversion and output direct current, the charge and discharge controller controls the third switch group 3K to be turned on, the second switch group 2K to be turned off, the fourth switch group 4K to be turned on, and the first control switch K1 and the second control switch K2 to be in an off state, so that the direct current output by the power conversion module can perform direct current compensation on the energy storage battery in the mobile charger. When the energy storage battery needs to be charged and output externally, the charging and discharging controller controls the third switch group 3K to be disconnected, the second switch group 2K to be disconnected, the fourth switch group 4K to be connected, and the first control switch K1 and the second control switch K2 to be in a connected state, so that the energy storage battery can charge the electric vehicle.
Furthermore, an auxiliary power supply electrically connected with the energy storage battery is also protected in the mobile charger, and the mobile charger is further connected to a vehicle controller of the electric vehicle through the positive auxiliary power supply port A + and the negative auxiliary power supply port A-to be used as an auxiliary power supply access to the vehicle controller. It can be seen that the charging and discharging controller inside the mobile charger controls the corresponding connection of the auxiliary power supply with the positive auxiliary power supply port a + and the negative auxiliary power supply port a-through the third control switch K3 and the fourth control switch K4.
Based on the same concept, the invention also provides an embodiment of an automatic charging control method of the mobile charger, as shown in fig. 7, which mainly comprises the following steps:
step S1: the method comprises the following steps that charging preparation is carried out, an electric vehicle to be charged is close to and stops at an information communication terminal used for sensing the electric vehicle, the information communication terminal is in communication connection with the electric vehicle and carries out information interaction, and when the electric vehicle is confirmed to be a charging registered user, a mobile charger automatically moves to the position of a charging interface of the electric vehicle and also establishes communication connection with the information communication terminal and carries out information interaction;
step S2: the electric vehicle automatically opens the charging cabin cover under the coordination control of the information communication terminal, the mobile charger identifies the charging cabin cover, automatically inserts a charging plug of a charging gun into a charging socket in the charging cabin and establishes wired communication connection with the electric vehicle;
step S3: the mobile charger also synchronously detects whether the charging is finished or not in the charging process, and stops charging the electric vehicle after the charging is finished;
step S4: and after charging, the mobile charger automatically pulls out a charging plug of the charging gun from a charging socket in the charging cabin, the mobile charger and the electric vehicle respectively feed back charging completion to the information communication terminal, and the mobile charger automatically leaves.
Preferably, after the charging is finished, the mobile charger detects the residual electric energy of the mobile charger, and when the electric energy needs to be supplemented, the mobile charger moves to the parking power supplementing end, and the parking power supplementing end charges the mobile charger with the additional electric energy.
Preferably, the system also comprises a mobile charger which automatically judges the self health state in real time, and if abnormal conditions occur in the charging or power supplementing process, the mobile charger can be disconnected correspondingly and automatically drives into a sealed fireproof safe fire-fighting end for safety treatment.
Preferably, the mobile charging system further comprises an information communication terminal and a cloud charging platform, wherein the information communication terminal is in information interconnection with the cloud charging platform, user registration and inquiry are carried out under the monitoring of the cloud charging platform, and the mobile charging machine is also in information interconnection with the cloud charging platform and is used for mobile charging under the scheduling of the cloud charging platform.
Preferably, the mobile charger shares a charging plug of the same charging gun to charge the electric vehicle respectively, and the power is supplemented from the parking power supplementing end.
Based on the same concept, for the description of the automatic charging control method of the mobile charger, reference may be made to the description of the system, and further description is omitted here.
Therefore, the invention discloses an automatic charging control method of a mobile charger, which comprises the steps of charging preparation, charging connection, charging implementation and charging completion, wherein an electric vehicle to be charged is parked at an information communication terminal, the mobile charger automatically moves to the position of a charging interface of the electric vehicle and interacts with the information communication terminal, the charging interface of the electric vehicle is automatically connected and the charging is implemented, and the mobile charger automatically leaves after the charging is completed. The mobile charger can also automatically supplement power, perform fire safety protection and complete the charging process under the monitoring and scheduling of the cloud charging platform. The method improves the intelligent management level of the electric vehicle charging, reduces the limitation on the charging site, is beneficial to reducing the charging cost, and has advantages in the aspects of safety and convenience.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An automatic charging control method of a mobile charger is characterized by comprising the following steps:
the method comprises the following steps that charging preparation is carried out, an electric vehicle to be charged is close to and stops at an information communication terminal used for sensing the electric vehicle, the information communication terminal is in communication connection with the electric vehicle and carries out information interaction, and when the electric vehicle is confirmed to be a charging registered user, a mobile charger automatically moves to the position of a charging interface of the electric vehicle and also establishes communication connection with the information communication terminal and carries out information interaction;
the electric vehicle automatically opens the charging cabin cover under the coordination control of the information communication terminal, the mobile charger identifies the charging cabin cover, automatically inserts a charging plug of a charging gun into a charging socket in the charging cabin and establishes wired communication connection with the electric vehicle;
the mobile charger also synchronously detects whether the charging is finished or not in the charging process, and stops charging the electric vehicle after the charging is finished;
and after charging, the mobile charger automatically pulls out a charging plug of the charging gun from a charging socket in the charging cabin, the mobile charger and the electric vehicle respectively feed back charging completion to the information communication terminal, and the mobile charger automatically leaves.
2. The automatic charging control method of the mobile charger according to claim 1, characterized by further comprising: after charging is finished, the mobile charger detects the residual electric energy of the mobile charger, when the electric energy needs to be supplemented, the mobile charger moves to the parking power supplementing end, and the parking power supplementing end charges the mobile charger with the additional electric energy.
3. The automatic charging control method of the mobile charger according to claim 2, characterized by further comprising: the mobile charger automatically judges the self health state in real time, and if abnormal conditions occur in the charging or power supplementing process, the mobile charger can disconnect the corresponding connection and automatically drive into a closed fireproof safety fire fighting end for safety treatment.
4. The automatic charging control method of the mobile charger according to claim 1, further comprising an information communication terminal interconnected with the cloud charging platform information for user registration and query under the monitoring of the cloud charging platform, and the mobile charger also interconnected with the cloud charging platform information for mobile charging under the scheduling of the cloud charging platform.
5. The automatic charging control method of the mobile charger according to claim 2, wherein the mobile charger shares a charging plug of a same charging gun to charge the electric vehicle and to supplement power from a parking power supplement terminal.
6. The automatic charging control system of the mobile charger is characterized by comprising an information communication terminal and the mobile charger, wherein the information communication terminal senses an electric vehicle to be charged which is close to stop and informs the mobile charger to automatically move to the electric vehicle to be charged to charge the electric vehicle.
7. The automatic charging control system of the mobile charger according to claim 6, further comprising a parking power supplement end, wherein when the mobile charger completes charging of the electric vehicle, the mobile charger automatically moves to the parking power supplement end to park and/or supplement power.
8. The automatic charging control system of the mobile charger according to claim 6, further comprising a safety fire-fighting terminal for safety protection when the mobile charger is abnormal.
9. The automatic charging control system of the mobile charger according to claim 6, further comprising a cloud charging platform, wherein the cloud charging platform is in communication interconnection with the information communication terminal and the mobile charger respectively, performs user management on the electric vehicle, and commands and schedules the mobile charger to charge.
10. The automatic charging control system of the mobile charger according to claim 7, wherein the charging gun interface of the charging gun of the mobile charger comprises a charging interface and a recharging interface.
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Application publication date: 20201124 |