CN111231725A - Cloud server-based high-power charging pile control system and method - Google Patents
Cloud server-based high-power charging pile control system and method Download PDFInfo
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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
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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
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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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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- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The invention discloses a high-power charging pile control system based on a cloud server, belonging to the technical field of charging pile control, wherein the system comprises a server, a plurality of charging subsystems and a plurality of communication modules, wherein the charging subsystems are all connected to the same distribution transformer; the server realizes bidirectional communication with the charging subsystem through the communication module so as to confirm the main charging subsystem and the auxiliary charging subsystem; the charging subsystem comprises a main charging subsystem and a slave charging subsystem, wherein the main charging subsystem and the slave charging subsystem are used for adjusting output power according to rated power of different electric vehicles, and the main charging subsystem is used for receiving real-time output power information of charging guns in each charging subsystem so as to adjust the output power of each charging gun. The invention can adjust the output power of the charging guns according to the rated power of different electric vehicles, has high charging efficiency, realizes the uniform allocation of the charging guns under the same distribution transformer and has high safety.
Description
Technical Field
The invention relates to the technical field of charging pile control, in particular to a high-power charging pile control system and method based on a cloud server.
Background
Low-carbon travel is a currently advocated travel mode, and electric automobiles are favored by more and more people due to the characteristics of high efficiency, low pollution and the like. Along with electric automobile's popularization, all kinds of electric pile that fill also come into operation gradually, fill a large amount of installations of electric pile, need have corresponding distribution capacity to support. At present, each charging pile cannot adjust output power according to rated power information of different electric vehicles, and cannot efficiently and quickly charge the electric vehicles; secondly, there is not information interaction between the stake of charging, can't acquire the real-time output power of all stake of charging in a certain distribution transformer area, it surpasss transformer capacity threshold value and then makes transformer power consumption load overload to easily appear to fill electric pile and insert the electric wire netting, causes the safety problem. Furthermore, because the uniform allocation of the charging piles under the same distribution transformer is not realized, the problem of unbalanced output power of the charging piles is easy to occur, and the waste of resources is caused.
Disclosure of Invention
The invention aims to solve the problems of low charging efficiency, overload of power load of a transformer and the like in the prior art, and provides a high-power charging pile control system based on a cloud server.
The purpose of the invention is realized by the following technical scheme: high-power charging pile control system based on cloud ware, the system specifically includes server, a plurality of electronic system and a plurality of communication module that charge, and a plurality of subsystems that charge all are connected to same distribution transformer.
The server realizes bidirectional communication with the charging subsystem through the communication module so as to confirm the main charging subsystem and the auxiliary charging subsystem; the charging subsystem comprises a main charging subsystem and a slave charging subsystem, wherein the main charging subsystem and the slave charging subsystem are used for adjusting output power according to rated power of different electric vehicles, and the main charging subsystem is used for receiving real-time output power information of charging guns in each charging subsystem so as to adjust the output power of each charging gun.
Specifically the charging subsystem comprises: the control module is used for sending a power control instruction to the power control module and receiving the real-time output power information of each charging gun sent by the feedback module; the power control module is used for adjusting the output power of the charging gun according to the power control instruction sent by the control module; the information acquisition module is used for acquiring brand and model information of the electric automobile so as to acquire rated power of the electric automobile; the power-adjustable charging gun is connected with the electric automobile charging interface to charge the electric automobile; and the feedback module is used for acquiring the real-time output power information of each charging gun and sending the real-time output power information to the control module.
Specifically, the information acquisition module further comprises a first information acquisition unit and a second information acquisition unit; the first information acquisition unit is specifically information input equipment and is used for acquiring brand and model information of the electric automobile input by a user; the second information acquisition unit is specifically high-definition photographic equipment and/or camera equipment and is used for acquiring multi-angle image information of the electric automobile so as to acquire brand and model information of different electric automobiles;
specifically, the control module further comprises a data processing unit and a database unit; the data processing unit is used for acquiring the brand and model information of the electric automobile according to the multi-angle image information of the electric automobile; the database unit stores rated power information of electric vehicles of different brands and models.
Specifically, the server includes: the information sending unit is used for sending state confirmation information, main charging subsystem confirmation information and auxiliary charging subsystem confirmation information to each charging subsystem; the judging unit is used for judging the working state of the charging subsystems according to the online state information sent by each charging subsystem; the information receiving unit is used for receiving main charging subsystem confirmation information sent by the main charging subsystem, slave charging subsystem confirmation information sent by the slave charging subsystem and historical output power information uploaded by each charging gun by each charging subsystem; and the data storage unit is used for storing historical output power information of each charging pile in each charging subsystem and rated power information of electric vehicles of different brands and models.
The invention also comprises a control method of the high-power charging pile control system based on the cloud server, wherein the method comprises the following steps of adjusting the output power in real time: and meanwhile, the main charging subsystem receives real-time output power information of the charging guns in each charging subsystem and adjusts the output power of each charging gun according to the real-time output power information.
Specifically, the adjusting the output power of each charging gun according to the real-time output power information specifically includes: the main charging subsystem calculates the total real-time load power of each charging gun under the same distribution transformer according to the received real-time output power information; and comparing whether the real-time load total power of each charging gun under the same distribution transformer is greater than the rated power of the distribution transformer, if so, sending a first power control instruction to reduce the current output power of the charging gun.
Specifically, the adjusting the output power according to the rated power of different electric vehicles specifically includes: and each charging subsystem further acquires rated power information of the electric automobile according to the brand and model information of the electric automobile acquired by the information acquisition module, and further controls the output power of the charging gun.
Specifically, the method further comprises the step of obtaining the rated power of the electric automobile: each charging subsystem judges whether the first equipment acquisition unit acquires the brand and model information of the electric automobile or not, and if not, the second equipment acquisition unit starts to work to acquire multi-angle picture information of the electric automobile so as to acquire the brand and model information of the electric automobile; and inquiring the rated power of the electric automobile according to the information of the automobile brand and the automobile model of the electric automobile.
Specifically, the method further comprises the following steps of confirming the master charging subsystem and the slave charging subsystem:
the server sends state confirmation information to the charging subsystems at regular time and receives online state confirmation information sent by each charging subsystem; and judging whether the charging subsystems are all in an online state, if so, sending main charging subsystem confirmation information to any one charging subsystem, and sending auxiliary charging subsystem confirmation information to other charging subsystems to select the main charging subsystem and the auxiliary charging subsystems.
Compared with the prior art, the invention has the beneficial effects that:
the system comprises the server, the charging subsystem and a plurality of communication modules, wherein the charging subsystem can adjust the output power according to the rated power of different electric automobiles, so that the charging efficiency is improved; the charging subsystems comprise a main charging subsystem and a secondary charging subsystem which are connected to the same distribution transformer, the main charging subsystem receives real-time output power information of the charging guns in each charging subsystem, and then adjusts the output power of each charging gun, so that the uniform allocation of the output power of each charging gun under the same distribution transformer is realized, the overload condition of the electric load of the distribution transformer can not be caused, and the safety problem is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the figure:
FIG. 1 is a system diagram of embodiment 1 of the present invention;
FIG. 2 is a flowchart of a method of embodiment 2 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are directions or positional relationships described based on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, in embodiment 1, the high-power charging pile control system based on the cloud server specifically includes a server, a plurality of charging subsystems and a plurality of communication modules, the server implements bidirectional communication with the charging subsystems through the communication modules, and the charging subsystems implement bidirectional data communication through the communication modules, so as to determine the master charging subsystem and the slave charging subsystems.
Furthermore, the charging subsystems are connected to the same distribution transformer and comprise a main charging subsystem and a slave charging subsystem, the main charging subsystem adjusts output power according to rated power of different electric vehicles, the main charging subsystem receives real-time output power information of the charging guns in the charging subsystems, and output power of the charging guns is adjusted
Furthermore, the charging subsystem comprises a control module, a power control module, an information acquisition module, at least one charging gun with adjustable power and a feedback module. The information acquisition module is connected with the input end of the control module and used for transmitting the information of the brand and the model of the acquired electric automobile to the control module, and the control module inquires the rated power of the electric automobile according to the information of the brand and the model of the electric automobile; the output end of the control module is connected with the power control module and used for sending a power control instruction to the power control module according to the rated power information of the electric automobile; the output end of the power module is connected with at least one charging gun with adjustable power and used for adjusting the output power of the charging gun according to the power control instruction and outputting power with different sizes for different types of automobiles so as to realize efficient charging of the electric automobiles.
Further, the control module includes but is not limited to a DSP controller, an ARM controller, and has efficient data processing capability. The power control module comprises 4 power control units, and the output ends of the power control units are respectively connected with a charging gun. Every power control unit includes 5 series connection's that connect gradually inverter circuit and 2 filter circuit, and inverter circuit includes a first inverter circuit and 4 second inverter circuits, and first inverter circuit includes a complete H bridge that comprises four field effect transistors, and second inverter circuit includes a half-bridge that comprises two field effect transistors. The power control unit adjusts current and voltage parameters according to the PWM signal output by the control module, and further adjusts the output power of the corresponding charging gun. The feedback module specifically comprises a voltage detection unit, a current detection unit and a conversion unit, and the acquired current and voltage analog signals corresponding to the charging guns are converted into digital signals through the conversion unit and then transmitted to the control module.
Furthermore, the information acquisition module also comprises a first information acquisition unit and a second information acquisition unit; the first information acquisition unit is specifically information input equipment, including but not limited to the touch-sensitive screen for gather electric automobile's brand, the model information of user's input, the second information acquisition unit is specifically high definition camera equipment for gather electric automobile's multi-angle image information, and then acquire different electric automobile's brand, model information.
Furthermore, the control module further comprises a data processing unit and a database unit, wherein the data processing unit is used for acquiring the brand and model information of the electric automobile according to the multi-angle image information of the electric automobile, and the database unit stores the rated power information of the electric automobiles with different brands and models. More specifically, the data processing unit performs preprocessing such as decoloring and zooming on the input local multi-angle automobile image; dividing the preprocessed multi-angle image information into a training set and a test set, wherein 80% of the information is used as the training set, and 20% of the information is used as the test set, so as to train the image recognition network and improve the accuracy of the image recognition network; and inputting the multi-angle image information acquired by the information acquisition unit into the trained image recognition network, acquiring the brand and model information of the electric automobile, and searching the rated power of the electric automobile in the database unit according to the brand and model information of the electric automobile. More specifically, the charging subsystem periodically receives a data updating packet sent by the server and is used for updating rated power information of electric automobiles of different brands and models stored in the database unit.
Further, the server includes an information transmitting unit, an information receiving unit, a judging unit, and a data storing unit. Specifically, the information sending unit is configured to send status confirmation information, master charging subsystem confirmation information, and slave charging subsystem confirmation information. The state confirmation information is used for confirming whether each charging subsystem is on-line or not so as to confirm whether the charging subsystem breaks down or not, and meanwhile, technicians maintain the charging subsystems in time; and the main charging subsystem confirmation information and the slave charging subsystem confirmation information respectively select corresponding main charging subsystems and slave charging subsystems. And the judging unit is used for judging the working state of the charging subsystems according to the online state information sent by each charging subsystem. The information receiving unit is used for confirming information of the main charging subsystem sent by the main charging subsystem, confirming information of the slave charging subsystem sent by the slave charging subsystem and historical output power information of each charging gun uploaded by each charging subsystem. And the data storage unit is used for storing historical output power information of each charging pile in each charging subsystem and the latest rated power information of electric vehicles of different brands and models.
The system comprises the server, the charging subsystem and a plurality of communication modules, wherein the charging subsystem can adjust the output power according to the rated power of different electric automobiles, so that the charging efficiency is improved; the charging subsystems comprise a main charging subsystem and a secondary charging subsystem which are connected to the same distribution transformer, the main charging subsystem receives real-time output power information of the charging guns in each charging subsystem, and then adjusts the output power of each charging gun, so that the uniform allocation of the output power of each charging gun under the same distribution transformer is realized, the overload condition of the electric load of the distribution transformer can not be caused, and the safety problem is avoided.
Example 2
The embodiment has the same inventive concept as embodiment 1, and provides a control method of a high-power charging pile control system based on a cloud server on the basis of embodiment 1. As shown in fig. 2, the method specifically includes:
s01: updating rated power data information corresponding to different brands and models of electric vehicles of each charging subsystem at regular time; specifically, the charging subsystem periodically receives a data updating packet sent by the server and is used for updating rated power information of electric automobiles of different brands and models stored in the database unit. Preferably, the server sends a data update packet to the charging subsystem when the server is idle, so that the influence on the communication between the server and the charging subsystem and between the charging subsystem and the charging subsystem during the peak of the network is avoided.
S02: adjusting output power according to rated power of different electric vehicles;
s03: confirming a main charging subsystem and a slave charging subsystem;
s04: the main charging subsystem receives real-time output power information of the charging guns in each charging subsystem, and adjusts the output power of each charging gun according to the real-time output power information.
Further, step S02 specifically includes: and each charging subsystem further acquires rated power information of the electric automobile according to the brand and model information of the electric automobile acquired by the information acquisition module, and further controls the output power of the charging gun.
Further, the step of obtaining the rated power of the electric vehicle specifically includes:
s021: each charging subsystem judges whether a first equipment acquisition unit acquires the brand and model information of the electric automobile, if so, the brand and model information of the electric automobile is transmitted to a control module, otherwise, a second equipment acquisition unit starts to work, acquires multi-angle picture information of the electric automobile, and transmits the multi-angle picture information of the electric automobile to a data processing unit of the control module, so that the brand and model information of the electric automobile is acquired;
s022: the rated power of the electric automobile is inquired according to the automobile brand and automobile model information of the electric automobile, the output power of the charging gun is adjusted according to the rated power of the electric automobile, and the charging efficiency is improved.
Further, the step S03 of confirming that the server is the execution subject for the master charging subsystem and the slave charging subsystem is specifically described as follows:
s031: the server sends state confirmation information to the charging subsystems at regular time and receives online state confirmation information sent by each charging subsystem;
s032: and judging whether the charging subsystems are all in an online state, if so, sending main charging subsystem confirmation information to any one charging subsystem, and sending auxiliary charging subsystem confirmation information to other charging subsystems to select the main charging subsystem and the auxiliary charging subsystems. Preferably, the main charging subsystem in the previous period is not selected as the main charging subsystem in the next period, and the periodic selection of a new main charging subsystem can avoid the problem that the main charging subsystem fails to work normally due to a fault and loses the function of uniformly allocating the output power of each charging gun under the same distribution transformer when the single charging subsystem is used as the main charging subsystem.
Further, the step S04 of adjusting the output power of each charging gun according to the real-time output power information specifically includes:
s041: the main charging subsystem calculates the total real-time load power of each charging gun under the same distribution transformer according to the received real-time output power information;
s042: comparing whether the real-time load total power of each charging gun under the same distribution transformer is larger than the rated power of the distribution transformer or not, if so, sending a first power control instruction to reduce the current output power of the charging gun, realizing the uniform allocation of the output power of each charging gun under the same distribution transformer, avoiding the condition of overload of the electrical load of the distribution transformer and avoiding the generation of safety problems, and if not, each charging gun keeps the current output power to work.
The above detailed description is for the purpose of describing the invention in detail, and it should not be construed that the detailed description is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the invention.
Claims (10)
1. High-power electric pile control system that fills based on cloud ware, its characterized in that: the system comprises a server, a plurality of charging subsystems and a plurality of communication modules, wherein the charging subsystems are connected to the same distribution transformer;
the server realizes bidirectional communication with the charging subsystem through the communication module so as to confirm the main charging subsystem and the auxiliary charging subsystem;
the charging subsystem comprises a main charging subsystem and a slave charging subsystem, wherein the main charging subsystem and the slave charging subsystem are used for adjusting output power according to rated power of different electric vehicles, and the main charging subsystem is used for receiving real-time output power information of charging guns in each charging subsystem so as to adjust the output power of each charging gun.
2. The cloud server-based high-power charging pile control system according to claim 1, wherein: the charging subsystem includes:
the control module is used for sending a power control instruction to the power control module and receiving the real-time output power information of each charging gun sent by the feedback module;
the power control module is used for adjusting the output power of the charging gun according to the power control instruction sent by the control module;
the information acquisition module is used for acquiring brand and model information of the electric automobile so as to acquire rated power of the electric automobile;
the power-adjustable charging gun is connected with the electric automobile charging interface to charge the electric automobile;
and the feedback module is used for acquiring the real-time output power information of each charging gun and sending the real-time output power information to the control module.
3. The cloud server-based high-power charging pile control system according to claim 2, wherein: the information acquisition module also comprises a first information acquisition unit and a second information acquisition unit;
the first information acquisition unit is specifically information input equipment and is used for acquiring brand and model information of the electric automobile input by a user; the second information acquisition unit is specifically a high-definition camera device and/or a camera device and is used for acquiring multi-angle image information of the electric automobile and further acquiring brand and model information of different electric automobiles.
4. The cloud server-based high-power charging pile control system according to claim 2, wherein: the control module also comprises a data processing unit and a database unit; the data processing unit is used for acquiring the brand and model information of the electric automobile according to the multi-angle image information of the electric automobile; the database unit stores rated power information of electric vehicles of different brands and models.
5. The cloud server-based high-power charging pile control system according to claim 1, wherein: the server includes:
the information sending unit is used for sending state confirmation information, main charging subsystem confirmation information and auxiliary charging subsystem confirmation information to each charging subsystem;
the judging unit is used for judging the working state of the charging subsystems according to the online state information sent by each charging subsystem;
the information receiving unit is used for receiving main charging subsystem confirmation information sent by the main charging subsystem, slave charging subsystem confirmation information sent by the slave charging subsystem and historical output power information uploaded by each charging gun by each charging subsystem;
and the data storage unit is used for storing historical output power information of each charging pile in each charging subsystem and rated power information of electric vehicles of different brands and models.
6. The method of the cloud server-based high-power charging pile control system according to claims 1-5, wherein: the method comprises the following steps of adjusting the output power in real time:
and meanwhile, the main charging subsystem receives real-time output power information of the charging guns in each charging subsystem and adjusts the output power of each charging gun according to the real-time output power information.
7. The cloud server-based high-power charging pile control method according to claim 6, characterized in that: the adjusting the output power of each charging gun according to the real-time output power information specifically includes:
the main charging subsystem calculates the total real-time load power of each charging gun under the same distribution transformer according to the received real-time output power information;
and comparing whether the real-time load total power of each charging gun under the same distribution transformer is greater than the rated power of the distribution transformer, if so, sending a first power control instruction to reduce the current output power of the charging gun.
8. The cloud server-based high-power charging pile control method according to claim 6, characterized in that: the adjusting of the output power according to the rated power of different electric vehicles specifically comprises:
and each charging subsystem further acquires rated power information of the electric automobile according to the brand and model information of the electric automobile acquired by the information acquisition module, and further controls the output power of the charging gun.
9. The cloud server-based high-power charging pile control method according to claim 6, characterized in that: the method further comprises the step of obtaining the rated power of the electric automobile:
each charging subsystem judges whether the first equipment acquisition unit acquires the brand and model information of the electric automobile or not, and if not, the second equipment acquisition unit starts to work to acquire multi-angle picture information of the electric automobile so as to acquire the brand and model information of the electric automobile;
and inquiring the rated power of the electric automobile according to the information of the automobile brand and the automobile model of the electric automobile.
10. The cloud server-based high-power charging pile control method according to claim 6, characterized in that: the method also comprises the steps of confirming the master charging subsystem and the slave charging subsystem:
the server sends state confirmation information to the charging subsystems at regular time and receives online state confirmation information sent by each charging subsystem;
and judging whether the charging subsystems are all in an online state, if so, sending main charging subsystem confirmation information to any one charging subsystem, and sending auxiliary charging subsystem confirmation information to other charging subsystems to select the main charging subsystem and the auxiliary charging subsystems.
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