CN118232378A - Charging and battery changing cabinet power distribution management system under regional power distribution network - Google Patents
Charging and battery changing cabinet power distribution management system under regional power distribution network Download PDFInfo
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Abstract
The embodiment of the disclosure provides a charging and changing cabinet distribution management system under a regional distribution network, the system comprises: the charging and replacing cabinet is respectively in bidirectional wireless communication with the central management platform and the mobile terminal; the central management platform is used for managing the overall operation condition of all the charging and replacing cabinets under the regional power distribution network, storing the overall operation condition data in a database, generating a power utilization instruction according to a received power utilization demand instruction sent by the user mobile terminal, and sending the power utilization instruction to the charging and replacing cabinets; the number of the charging and replacing cabinets is several; the mobile terminal is used for sending a user electricity demand instruction and displaying electricity consumption information to the central management platform. The method and the device are based on the operation load of the power distribution network, intelligently distribute the electric quantity, meet low-cost economic operation, improve the adaptability of the charging and replacing cabinet under the power grid, improve the operation efficiency of the charging and replacing cabinet and improve user experience.
Description
Technical Field
The disclosure relates to the technical field of charging and replacing cabinets, and particularly provides a charging and replacing cabinet power distribution management system under an area power distribution network.
Background
With the problems of shortage of global energy sources, environmental pollution and the like, electric automobiles and electric bicycles are widely popularized, and accordingly, the battery changing cabinet gradually meets the requirements of people on battery changing and charging, the existing charging cabinet is single in function, the sharing function similar to a mobile phone charger can be realized, the technology is too limited, the requirements of intelligence and safety and the power consumption requirements of users, particularly individuation, cannot be met, and parameters and states of batteries in the recycling and renting processes cannot be intelligently tracked. Moreover, the power consumption of the power conversion cabinet is large, the power conversion cabinet needs to be attached to a nearby power grid, and all the power conversion cabinets under the regional power distribution network can bring influence to the running load of the power grid at the same time. How to reasonably and fully consider the running load of the power grid, relieve the power supply pressure of the power grid, strengthen the regulation capability of power supply, intelligently distribute the power and meet the requirements of low-cost high-efficiency economic operation, store energy in the electricity consumption low-peak period can supply power in the electricity consumption peak period, and the method is a technical problem which needs to be solved urgently.
Accordingly, there is a need in the art for a charging cabinet distribution management system scheme under a regional distribution network to address the above-described issues.
Disclosure of Invention
In order to overcome the defects, the present disclosure is provided to solve or at least partially solve the problems of single function, technical limitation, poor power supply quantity adjustment capability, inability to meet the requirements of intellectualization and security, personalized power consumption of users, and the like of the existing charging cabinet. According to the intelligent management system and the intelligent management method, the overall operation condition of all the charging and replacing cabinets under the regional distribution network is intelligently managed through the central management platform, the parameter information and the state information of the battery modules entering and exiting the charging and replacing cabinets are accurately tracked, the electric quantity is intelligently distributed based on the operation load of the electric power of the electric network, the low-cost economic operation is met, the adaptability of the charging and replacing cabinets under the electric network and the operation efficiency of the charging and replacing cabinets are improved, the stored energy in the electricity consumption low-peak period can be supplied with power in the electricity consumption peak period, and the user experience is improved.
The present disclosure provides a charging cabinet distribution management system under regional distribution network, including: the charging and replacing cabinet is respectively in bidirectional wireless communication with the central management platform and the mobile terminal;
The central management platform is used for managing the overall operation condition of all the charging and replacing cabinets under the regional power distribution network, storing the overall operation condition data and the user data in a database, generating an electricity consumption instruction according to the received electricity consumption demand instruction sent by the user mobile terminal and sending the electricity consumption instruction to the charging and replacing cabinets, wherein an operation local area network is built in advance based on all the charging and replacing cabinets under the power distribution network;
The charging and replacing cabinet is provided with a plurality of battery storage spaces, a bin gate corresponding to the battery storage spaces, a local control module, a scanning module, a wireless communication module, a display module and a monitoring module; each battery storage space is internally provided with a battery module, each battery storage space corresponds to a gateway respectively and is connected to the local control module through the corresponding gateway, and the gateway identifies first identification information of the battery module corresponding to the battery storage space; each battery module is provided with an identification code, and the identification code is associated with the state information of the corresponding battery module and provides second identification information; the charging and replacing cabinet is used for executing charging or replacing operation to the user electric vehicle or the electric vehicle after receiving the electricity utilization instruction of the central management platform;
The mobile terminal is used for sending a user electricity demand instruction and displaying electricity consumption information to the central management platform.
Alternatively, the method may comprise, among other things,
The scanning module is used for acquiring parameters and state information of the battery module by reading the identification code of the battery module when the battery module is taken out of or taken in of the bin; the parameter and state information comprise the model number, the access time and the state of charge of the battery;
The monitoring module is used for acquiring the working state information of the battery module in the charging cabinet and sending the working state information to the local control module; the working state information includes: state of charge, energy, state of health, voltage, power, temperature;
The local control module is used for judging whether the battery model of the battery module respectively represented in the first identification information and the second identification information is consistent, and if not, updating the corresponding information in the first identification information by using the second identification information;
And the display module is connected with the local control module and used for displaying the overall operation condition of the battery exchange cabinet.
Optionally, the system further includes:
When a power consumption demand instruction sent by a user mobile terminal is obtained, the central management platform determines current user information and power consumption information based on the power consumption demand instruction; judging based on the current user information, the electricity consumption information and the registration data so as to authenticate the identity information of the user and verify whether the electricity consumption information is correct or not;
when the identity information authentication passes and the electricity consumption information verification passes, the central management platform generates an electricity consumption instruction based on a user electricity consumption demand instruction and issues the electricity consumption instruction to the charging and replacing cabinet;
Responding to the power utilization instruction, the charging and replacing cabinet determines a battery module in an optimal working state as a supply battery according to the working state of each battery module in the charging and replacing cabinet;
Reading state information corresponding to the supply battery through a scanning module in a battery storage space corresponding to the supply battery, and judging whether the state information of the supply battery is matched with battery information in user demand instruction information or not by the local control module;
if so, the local control module controls the charging and battery changing cabinet to open a bin gate matched with the supply battery so as to enable a user to take out the supply battery, and after the supply battery is taken out, the display module displays the information of completing battery changing and pushes the information of completing battery changing to a user terminal;
If the battery information is not matched with the battery information in the user demand instruction information, uploading the error information to the central management platform, and re-determining the battery supply by the central management platform, and re-executing the judgment of whether the state information of the battery supply is matched with the battery information in the user demand instruction information or not until the battery replacement is completed, otherwise, prompting the battery without meeting the condition by the display module or displaying the waiting battery replacement duration information and pushing the waiting battery replacement duration information to the user terminal.
Optionally, the central management platform further includes: the information interaction module is used for acquiring power supply state information sent by the regional power distribution network management system; the power supply state information includes: grid load information;
acquiring current electricity consumption requirements of all charging and changing cabinet networks under the regional power distribution network;
Generating a power supply strategy according to the current power supply state information of the regional power distribution network and the current power consumption demand; the power supply strategy is to supply power by using the power distribution network and/or the power storage station;
and supplying power to the charging and replacing cabinet under the regional power distribution network according to the power supply strategy.
Optionally, generating a power supply policy according to the current power supply state information of the regional power distribution network and the current power consumption demand includes:
Estimating a power load curve in the current and future time periods;
If the residual power grid load of the regional power distribution network in the current and future time periods is greater than a preset power grid threshold value and the power consumption demand of all the charging and replacing cabinets in the current and future time periods is lower than a first preset threshold value, the regional power distribution network supplies power to the charging and replacing cabinets;
if the residual power grid load of the regional power distribution network in the current and future time periods is smaller than or equal to the preset power grid threshold value and the current residual power value of the power storage station is larger than a second preset threshold value, the power distribution network and the power storage station are used for supplying power to the charging and replacing cabinet;
If the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is larger than a second preset threshold value, the power storage station is used for supplying power to the charging and replacing cabinet;
And if the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is smaller than or equal to a second preset threshold value, stopping supplying power to the charging and replacing cabinet and performing electric quantity early warning.
Optionally, the system further includes:
after a user takes out the supply battery and puts the recovery battery on the electric vehicle into a charging and changing cabinet, the local control module charges the recovery battery to a full-charge state according to the charging strategy;
Predicting peak time, usual time and valley time of a period from the current to the future according to a historical electricity load curve of the regional distribution network;
Determining an electric quantity distribution strategy based on the peak time period, the normal time period and the valley time period of the current to future time period;
and dynamically adjusting the input electric quantity and the output electric quantity of the charging and changing cabinet under the regional power distribution network according to the electric quantity distribution strategy.
Optionally, the dynamically adjusting the input electric quantity and the output electric quantity of the charging and replacing cabinet according to the electric quantity distribution strategy includes:
If the regional distribution network is in a flat period, the regional distribution network charges the battery modules in the charging and changing cabinet or charges the battery modules of the electric automobile through a charging interface;
If the regional power distribution network is in a peak period, the power distribution network and the power storage station supply power to the charging and replacing cabinet, and the battery module of the idle electric vehicle or the electric vehicle is recovered to discharge to the charging and replacing cabinet or serve as a standby battery module;
And if the regional distribution network is in the valley period, the regional distribution network or the power storage station charges the battery module in the charging and replacing cabinet or charges the battery module of the electric automobile through a charging interface, and stores electric quantity to the power storage station through the regional distribution network.
Optionally, the system includes:
Predicting the electricity consumption of the regional power distribution network in a current period of time and a future period of time according to the historical electricity consumption information of the regional power distribution network and generating an electricity consumption load curve;
When the center management platform receives charging request information sent by the mobile terminal, a charging demand task queue is established; wherein the charging request information includes: the ID of the charging cabinet, the electric automobile identification, the residual electric quantity, the charging mode and the predicted charging time period;
According to the electricity load curve and the charging request information, sequencing each task in a to-be-executed charging demand task queue based on priority and electricity price information of a charging period to form a charging task queue;
And when the task waiting to be charged in the charging task queue meets the charging starting condition, sequentially executing the sequenced charging tasks.
Optionally, the system includes:
The method comprises the steps that an electric vehicle or a user of the electric vehicle sends charging or electricity changing request information to a central management platform through a mobile terminal; the charging or electricity changing request information comprises a residual electricity value and a residual mileage of the electric vehicle or the electric vehicle;
The center management platform receives information from a user charging request and acquires position information of the electric automobile in real time, and the position coordinates of the electric automobile can be obtained through navigation equipment in the electric automobile or through positioning information of a user mobile terminal;
The database of the central management platform stores IDs of all charging and replacing cabinets and corresponding position information;
according to the charging or electricity changing request information, the central management platform executes an intelligent electricity utilization recommendation strategy and gives out an optimal charging station and a corresponding optimal electricity utilization path of each charging request;
The center management platform pushes the optimal charging cabinet and the corresponding optimal electricity utilization channel information to the electric vehicle or the mobile terminal of the corresponding user;
And the electric vehicle or the electric automobile reaches the optimal charging and changing cabinet to charge or change electricity according to the optimal electricity consumption information.
Optionally, the intelligent electricity utilization recommendation strategy is formulated according to the historical electricity utilization load curve and electricity price information thereof, the working state information of the charging cabinet, the residual electricity value and the residual mileage of the electric vehicle or the electric vehicle, the user time period and the user positioning information, and an optimal charging and changing scheme is generated; the optimal charging and changing scheme comprises at least one of a closest charging and changing scheme, a time-consuming shortest charging and changing scheme and a cost-consuming minimum charging and changing scheme.
Compared with the prior art, the one or more technical schemes disclosed by the disclosure have at least the following beneficial effects:
According to the method and the system, the overall operation condition of all the charging and replacing cabinets under the regional distribution network is intelligently managed through the central management platform, the parameter information and the state information of the battery modules entering and exiting the charging and replacing cabinets are accurately tracked, the electric quantity is intelligently distributed, the low-cost economic operation is met, the adaptability of the charging and replacing cabinets under the electric network and the operation efficiency of the charging and replacing cabinets are improved, the stored energy in the electricity consumption valley period can be supplied with power in the electricity consumption peak period, and the user experience is improved; the parameters and the states of the battery modules can be accurately obtained based on the first identification information of the battery modules corresponding to the battery storage space obtained by the gateway corresponding to each battery storage space and the second identification information scanned by the scanning module, so that accurate batteries provided for users are ensured, and electricity consumption errors are prevented; by carrying out double verification on the user identity information authentication and the electricity consumption information, the true identity of the user and the accurate electricity consumption requirement can be ensured, the accurate charging and electricity conversion are realized, and the occurrence of errors is avoided; the power supply quantity is intelligently allocated based on a power supply strategy, so that the power supply pressure of the power distribution network is effectively relieved; through double verification of user identity information authentication and electricity consumption, the accurate electricity consumption and electricity replacement of a user are ensured, and errors are avoided; the intelligent allocation of the power supply quantity is realized, so that the operation management of the charging and changing cabinet is more economical, the power distribution network is provided with power supply burden, the power grid load at the peak power utilization moment can be relieved, and the overload condition of a power transmission network, a transformer substation and a power distribution system in the power grid is avoided; the intelligent efficient operation of the charging cabinet network under the economic power consumption and the regional power distribution network can be realized without user intervention or selection, and the power consumption congestion is not caused; meet user's diversified demand and more intelligent, promote user experience.
It should be understood that what is described in this summary is not intended to limit the critical or essential features of the embodiments of the disclosure nor to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. For a better understanding of the present disclosure, and without limiting the disclosure thereto, the same or similar reference numerals denote the same or similar elements, wherein:
Fig. 1 is a schematic diagram of a network architecture under a power distribution network where a charging and changing cabinet power distribution management system under a regional power distribution network is located according to an embodiment of the present disclosure;
Fig. 2 is a schematic structural diagram of a charging cabinet power distribution management system under a regional power distribution network according to one embodiment of the present disclosure.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to be within the scope of this disclosure.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The following describes a power distribution management system of a charging cabinet under a regional power distribution network in detail through specific embodiments in combination with the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic diagram of a network architecture of a power distribution network in which a power distribution management system for a charging and replacing cabinet under a regional power distribution network according to an embodiment of the present disclosure is located, and fig. 2 is a schematic diagram of a structure of a power distribution management system for a charging and replacing cabinet under a regional power distribution network according to an embodiment of the present disclosure. As shown in fig. 1 and fig. 2, a power distribution management system for a charging and changing cabinet under a regional power distribution network includes: the charging and changing cabinet 200, the central management platform 100 and the mobile terminal 300 are respectively in bidirectional wireless communication with the central management platform 100 and the mobile terminal 300;
The central management platform 100 is configured to manage overall operation conditions of all the charging and replacing cabinets under the regional power distribution network, store the overall operation condition data and the user data in a database, generate an electricity consumption instruction according to the received electricity consumption demand instruction sent by the user mobile terminal 300, and send the electricity consumption instruction to the charging and replacing cabinet 200, where an operation local area network is pre-built based on all the charging and replacing cabinets 200 under the power distribution network;
The number of the charging and replacing cabinets 200 is several, and each charging and replacing cabinet is provided with a plurality of battery storage spaces, a bin gate corresponding to the battery storage spaces, a local control module 201, a scanning module 202, a wireless communication module 203, a display module 204 and a monitoring module 205; each battery storage space is stored with a battery module, each battery storage space corresponds to a gateway, and is connected to the local control module 201 through the corresponding gateway, and the gateway identifies first identification information of the battery module corresponding to the battery storage space; each battery module is provided with an identification code, and the identification code is associated with the state information of the corresponding battery module and provides second identification information; the charging and replacing cabinet 200 is configured to perform charging or replacing operations for a user electric vehicle or an electric vehicle after receiving an electricity utilization instruction of the central management platform 100; the identification code can be a two-dimensional code, a bar code and the like, and can also be an RFID tag;
The mobile terminal 300 is configured to send a user electricity demand instruction and display electricity consumption information to the central management platform 100.
In this embodiment, an operation local area network is pre-built for all the charging and replacing cabinets 200 under the power distribution network, the central management platform 100 is used to centrally monitor and manage the overall operation conditions of all the charging and replacing cabinets 200 under the regional power distribution network, and the overall operation condition data is stored in a database, so that safe operation and intelligent coordination management of all the charging and replacing cabinets are ensured. The method comprises the steps of constructing an operation local area network based on all the charging and replacing cabinets under the power distribution network, and distributing network addresses of the operation local area network for each charging and replacing cabinet; each battery storage space corresponds to a gateway, and is connected to the local control module 201 through the corresponding gateway, and the gateway provides the local control module 201 with first identification information (i.e. parameters and state information of the battery module) of the battery module in the corresponding battery storage space, and uploads the first identification information to the central management platform for monitoring, storage and control; specifically, in this embodiment, the central management platform 100 is wirelessly connected to the local control module 201 of the charging and replacing cabinet 200, and is used for real-time safe operation monitoring and status data management of the power distribution management system of the charging and replacing cabinet; the identification codes on the battery modules actually stored in the battery storage spaces in the charging and replacing cabinet can be identified and second identification information can be provided; by tracking all batteries entering and exiting the charging cabinet, parameters and states of the battery module can be accurately known based on the first identification information and the second identification information, accurate batteries provided for users are ensured, and power consumption errors are prevented.
Alternatively, in some embodiments, the first and second processing steps,
The scanning module 202 is configured to obtain parameters and status information of the battery module by reading an identification code of the battery module when the battery module is taken out of or in the bin, so as to obtain second identification information; the parameter and state information comprise the model number, the access time and the state of charge of the battery;
The monitoring module 205 is configured to obtain working state information of a battery module in the charging cabinet and send the working state information to the local control module; the working state information includes: state of charge, energy, state of health, voltage, power, temperature. In some embodiments, the monitoring module 205 further comprises: temperature control unit, overload protection unit, earth leakage protection unit.
The local control module 201 is configured to determine whether battery models of battery modules respectively represented in the first identification information and the second identification information are consistent, and if not, update corresponding information in the first identification information by using the second identification information;
the display module 204 is connected with the local control module and is used for displaying the overall operation condition of the battery exchange cabinet.
In this embodiment, the second identification information of the battery module is obtained by the identification information (i.e., the parameter and the status information of the battery module) of the battery module read by the scanning module 202, and the local control module 201 uses the gateway to update the first identification information and the second identification information of the battery module in the corresponding battery storage space, so that the actual battery parameter information in the battery storage space after the battery is replaced by the battery replacement cabinet can be updated in time, the information of the battery module can be accurately tracked, and after the parameter information of the battery module such as the battery model, the battery health and the like is determined to change, the battery information in the battery replacement cabinet can be updated in time, so that the accurate battery provided for each user is ensured, and the user power replacement error is prevented.
In some embodiments of the present invention, in some embodiments,
The local control module 201 determines the first identification information and the second identification information, and then generates updated identification information of the battery module, and uploads the updated identification information to the central management platform for monitoring, storage and control.
Optionally, in some embodiments, the system further comprises:
When acquiring the electricity demand instruction sent by the user mobile terminal 300, the central management platform 100 determines current user information and electricity information based on the electricity demand instruction; judging based on the current user information, the electricity consumption information and the registration data so as to authenticate the identity information of the user and verify whether the electricity consumption information is correct or not;
when the identity information authentication is passed and the electricity consumption verification is passed, the central management platform 100 generates an electricity consumption instruction based on the user electricity consumption demand instruction and issues the electricity consumption instruction to the charging and replacing cabinet 200; for example, the user registration information is charging information of a registered user of the electric vehicle and the electric vehicle matched with each other, if the central management platform 100 monitors that the user performs charging or power changing requirements matched with the information of the two-wheel electric vehicle, the system judges that the user is not matched with the information of the two-wheel electric vehicle, and further judges that the current identity authentication of the user cannot perform next power consumption, so that the safety and reliability of power consumption of the user are ensured;
in response to the power command, the charging and changing cabinet 200 determines a battery module in an optimal operation state as a supply battery according to the operation state of each battery module therein;
Reading state information corresponding to the supply battery through a scanning module 202 in a battery storage space corresponding to the supply battery, wherein the local control module 201 judges whether the state information of the supply battery is matched with battery information in user demand instruction information;
If so, the local control module 201 controls the charging and replacing cabinet to open a bin gate matched with the supply battery, so that a user can take out the supply battery, and after the supply battery is taken out, the display module displays the complete power replacing information and pushes the complete power replacing information to the user terminal;
If not, uploading the error information to the central management platform, and re-determining the battery supply by the central management platform, and re-executing the judgment of whether the state information of the battery supply is matched with the battery information in the user demand instruction information until the battery replacement is completed, otherwise, prompting the battery without meeting the condition by the display module or displaying the waiting time length information and pushing the waiting time length information to the user terminal 300.
In this embodiment, by performing dual verification on the user identity information authentication and the electricity consumption, the real identity and the accurate electricity consumption requirement of the user can be ensured, and the central management platform 100 generates an electricity consumption instruction based on the user electricity consumption requirement instruction and issues the electricity consumption instruction to the charging and replacing cabinet 200; the accurate power utilization and power replacement of the user are ensured, and errors are avoided.
Optionally, in some embodiments, the central management platform 100 further includes: the information interaction module 102 is configured to obtain power supply state information sent by the regional power distribution network management system; the power supply state information includes: grid load information;
acquiring current electricity consumption requirements of all charging and changing cabinet networks under the regional power distribution network;
Generating a power supply strategy according to the current power supply state information of the regional power distribution network and the current power consumption demand; the power supply strategy is to supply power by using the power distribution network and/or the power storage station;
And supplying power to the charging and replacing cabinet 200 under the regional power distribution network according to the power supply strategy.
In this embodiment, the power supply load state of the power distribution network is considered, the power supply strategy is generated according to the current power supply state information of the regional power distribution network and the current power consumption demand, and the power supply quantity is intelligently allocated, so that the operation management of the charging and replacing cabinet 200 is more economical, the power distribution network is enabled to cause power supply burden, the power grid load at the peak power consumption moment can be relieved, and the overload condition of the power transmission network, the transformer substation and the power distribution system in the power grid is avoided.
Optionally, in some embodiments, generating a power supply policy according to the current power supply status information of the regional power distribution network and the current power consumption requirement includes:
Estimating a power load curve in the current and future time periods; specifically, the method comprises the following steps: acquiring charging time and residual electric quantity information uploaded by all users through a mobile terminal in an area; acquiring electricity consumption demand in the current and future time periods according to the information of the remaining capacity of the battery to be charged and the battery in charge in the current and future time periods;
If the residual power grid load of the regional power distribution network in the current and future time periods is greater than a preset power grid threshold value and the power consumption demand of all the charging and replacing cabinets in the current and future time periods is lower than a first preset threshold value, the regional power distribution network supplies power to the charging and replacing cabinets;
if the residual power grid load of the regional power distribution network in the current and future time periods is smaller than or equal to the preset power grid threshold value and the current residual power value of the power storage station is larger than a second preset threshold value, the power distribution network and the power storage station are used for supplying power to the charging and replacing cabinet;
If the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is larger than a second preset threshold value, the power storage station is used for supplying power to the charging and replacing cabinet;
And if the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is smaller than or equal to a second preset threshold value, stopping supplying power to the charging and replacing cabinet and performing electric quantity early warning.
In this embodiment, a specific scheme of generating a power supply strategy according to the current power supply state information and the current power consumption demand of the regional power distribution network is specifically provided, a power supply load state of the power distribution network is considered, the power supply strategy is generated according to the current power supply state information and the current power consumption demand of the regional power distribution network, the power supply quantity is intelligently allocated, the power distribution network and a power storage station are selected according to the power grid and the power consumption demand, the power supply pressure of the power distribution network is effectively relieved, the power storage station is utilized to coordinate the power supply, the power grid load at the time of peak power consumption can be relieved, the occurrence of overload conditions of a power transmission network, a transformer substation and a power distribution system in the power grid and the power consumption failure of the power distribution network are avoided, and when the regional power distribution network is in a suspended power supply state and the current residual power value of the power storage station is insufficient, the power quantity is early-warned.
Optionally, in some embodiments, the system further comprises:
after a user takes out the supply battery and puts the recovery battery on the electric vehicle into a charging and changing cabinet, the local control module charges the recovery battery to a full-charge state according to the charging strategy;
Predicting peak time, usual time and valley time of a period from the current to the future according to a historical electricity load curve of the regional distribution network;
Determining an electric quantity distribution strategy based on the peak time period, the normal time period and the valley time period of the current to future time period;
And dynamically adjusting the input electric quantity and the output electric quantity of the charging and changing cabinet 200 under the regional distribution network according to the electric quantity distribution strategy.
In this embodiment, according to the historical power load curve of the regional power distribution network, the peak period, the normal period and the valley period of the current period to the future period are predicted, and the power distribution strategy is determined according to the peak period, the normal period and the valley period, so that the input power and the output power of the charging and changing cabinet under the regional power distribution network are dynamically adjusted, and the power supply amounts of the current period and the future period are adjusted based on the historical data, so that the self-adaptive dynamic adjustment can be achieved, the economic power consumption can be realized, the power pressure can be relieved, and the user experience can be improved.
Optionally, in some embodiments, the dynamically adjusting the input power and the output power of the charging cabinet according to the power distribution policy includes:
If the regional distribution network is in a flat period, the regional distribution network charges the battery modules in the charging and changing cabinet 200 or charges the battery modules of the electric automobile through a charging interface;
If the regional power distribution network is in a peak period, the power distribution network and the power storage station supply power to the charging and replacing cabinet 200, and the battery module of the idle electric vehicle or the electric vehicle is recovered to discharge the power charging and replacing cabinet 200 or provide a standby battery module;
If the regional distribution network is in the valley period, the regional distribution network or the power storage station charges the battery module in the charging and changing cabinet 200 or charges the battery module of the electric automobile through a charging interface, and stores electric quantity to the power storage station through the regional distribution network.
Through the scheme of the embodiment, a user can sell the idle electric vehicle or the battery fully charged with the electric vehicle at low cost in the valley period at high cost in the peak period, so that the problem of insufficient or tension power supply in the peak period is solved, the user is earned a price, the preferential electricity price is provided for the user in the valley period, the electricity storage station is used for storing electricity, the economic charging or electricity changing requirement of the user and the profit requirement of the charging and electricity changing cabinet 200 are met, and the 200 operation capacity and the operation efficiency of the charging and electricity changing cabinet are improved.
Optionally, in some embodiments, the system includes:
Predicting the electricity consumption of the regional power distribution network in a current period of time and a future period of time according to the historical electricity consumption information of the regional power distribution network and generating an electricity consumption load curve;
When the center management platform receives charging request information sent by the mobile terminal, a charging demand task queue vector is established; wherein the charging request information includes: an ID of the charging cabinet 200, an electric car identification, a remaining capacity, a charging mode, and an expected charging period;
For example, the charge demand task queue vector x= [ time of charge request 1, charge cabinet ID1, electric vehicle identification 1, residual power 1, expected charge period 1; … … = [ 2023.02.06.12:03, I0053, BYDqin, SOC20%,2023.02.06.13:00-13:30; … … the above is merely an example, and the parameter vector may be specifically increased or decreased according to actual needs.
According to the electricity load curve and the charging request information, sequencing each task in a to-be-executed charging demand task queue based on priority and electricity price information of a charging period to form a charging task queue; the electricity load curve can reflect electricity price information for predicting peak time, normal time, valley time and corresponding time of a period from the current time to the future time;
And when the task waiting to be charged in the charging task queue meets the charging starting condition, sequentially executing the sequenced charging tasks.
According to the scheme of the embodiment, the central management platform 100 establishes a charging demand task queue vector according to the electricity consumption of the regional distribution network in the current and future time intervals, generates an electricity consumption load curve and receives a series of charging request information sent by the mobile terminal, fully considers the electricity price information of the peak time interval, the usual time interval, the valley time interval and the corresponding time interval from the current to the future time interval, and carries out charging task sequencing again aiming at the charging tasks in the charging demand task queue vector, optimizes a charging strategy, automatically executes the charging tasks, and can realize intelligent and efficient operation of the economic electricity consumption and the charging cabinet network under the regional distribution network without user intervention or selection and cause no electricity congestion.
Optionally, in some embodiments, the system includes:
the electric vehicle or a user of the electric vehicle sends charging or power changing request information to the central management platform 100 through the mobile terminal; the charging or electricity changing request information comprises a residual electricity value and a residual mileage of the electric vehicle or the electric vehicle;
The central management platform 100 receives information from a user charging request and acquires position information of an electric automobile in real time, wherein the position coordinates of the electric automobile can be acquired through navigation equipment in the electric automobile or through positioning information of a user mobile terminal;
the database 101 of the central management platform 100 stores IDs and corresponding position information of all charging cabinets;
according to the charging or power-changing request information, the central management platform 100 executes an intelligent power-using recommendation strategy and gives an optimal charging station and a corresponding optimal power-using path for each charging request;
the central management platform 101 pushes the optimal charging cabinet and the corresponding optimal electricity utilization information to the electric vehicle or the mobile terminal 300 of the corresponding user;
And the electric vehicle or the electric automobile reaches the optimal charging and changing cabinet 200 to charge or change electricity according to the optimal electricity consumption information.
In this embodiment, the central management platform 100 performs feature extraction according to the charging request information sent by the user mobile terminal 300, obtains the position information of the electric automobile, then automatically matches the optimal charging cabinet and the corresponding optimal power consumption information based on the charging network and the position information of the current user, and performs intelligent pushing to the user terminal, so that the user can select and confirm according to the actual requirement of the user, thereby meeting the requirement of efficient charging of the user and improving the user experience.
Optionally, in some embodiments, the intelligent electricity recommendation policy is formulated according to the historical electricity load curve and electricity price information thereof, the working state information of the charging cabinet, the residual electricity value and the residual mileage of the electric vehicle or the electric vehicle, the user time period and the user positioning information, and an optimal charging and changing scheme is generated; the optimal charging and changing scheme comprises at least one of a closest charging and changing scheme, a time-consuming shortest charging and changing scheme and a cost-consuming minimum charging and changing scheme.
The embodiment can meet diversified electricity consumption requirements, provides multiple selection modes for users, such as charging or electricity replacement in the shortest time, the shortest time of charging duration, or the most money-saving scheme of electricity consumption spending, and the users can select according to the actual requirements of the users, thereby meeting the diversified requirements of the users, being more intelligent and improving the user experience.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present disclosure is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present disclosure. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all alternative embodiments, and that the acts and modules referred to are not necessarily required by the present disclosure.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. Charging cabinet distribution management system under regional distribution network, its characterized in that includes: the charging and replacing cabinet is respectively in bidirectional wireless communication with the central management platform and the mobile terminal;
The central management platform is used for managing the overall operation condition of all the charging and replacing cabinets under the regional power distribution network, storing the overall operation condition data and the user data in a database, generating an electricity consumption instruction according to the received electricity consumption demand instruction sent by the user mobile terminal and sending the electricity consumption instruction to the charging and replacing cabinets, wherein an operation local area network is built in advance based on all the charging and replacing cabinets under the power distribution network;
The charging and replacing cabinet is provided with a plurality of battery storage spaces, a bin gate corresponding to the battery storage spaces, a local control module, a scanning module, a wireless communication module, a display module and a monitoring module; each battery storage space is internally provided with a battery module, each battery storage space corresponds to a gateway respectively and is connected to the local control module through the corresponding gateway, and the gateway identifies first identification information of the battery module corresponding to the battery storage space; each battery module is provided with an identification code, and the identification code is associated with the state information of the corresponding battery module and provides second identification information; the charging and replacing cabinet is used for executing charging or replacing operation to the user electric vehicle or the electric vehicle after receiving the electricity utilization instruction of the central management platform;
The mobile terminal is used for sending a user electricity demand instruction and displaying electricity consumption information to the central management platform.
2. The system of claim 1, wherein,
The scanning module is used for acquiring parameters and state information of the battery module by reading the identification code of the battery module when the battery module is taken out of or taken in of the bin; the parameter and state information comprise the model number, the access time and the state of charge of the battery;
The monitoring module is used for acquiring the working state information of the battery module in the charging cabinet and sending the working state information to the local control module; the working state information includes: state of charge, energy, state of health, voltage, power, temperature;
The local control module is used for judging whether the battery model of the battery module respectively represented in the first identification information and the second identification information is consistent, and if not, updating the corresponding information in the first identification information by using the second identification information;
And the display module is connected with the local control module and used for displaying the overall operation condition of the battery exchange cabinet.
3. The system of claim 2, wherein the system further comprises:
When a power consumption demand instruction sent by a user mobile terminal is obtained, the central management platform determines current user information and power consumption information based on the power consumption demand instruction; judging based on the current user information, the electricity consumption information and the registration data so as to authenticate the identity information of the user and verify whether the electricity consumption information is correct or not;
when the identity information authentication passes and the electricity consumption information verification passes, the central management platform generates an electricity consumption instruction based on a user electricity consumption demand instruction and issues the electricity consumption instruction to the charging and replacing cabinet;
Responding to the power utilization instruction, the charging and replacing cabinet determines a battery module in an optimal working state as a supply battery according to the working state of each battery module in the charging and replacing cabinet;
Reading state information corresponding to the supply battery through a scanning module in a battery storage space corresponding to the supply battery, and judging whether the state information of the supply battery is matched with battery information in user demand instruction information or not by the local control module;
if so, the local control module controls the charging and battery changing cabinet to open a bin gate matched with the supply battery so as to enable a user to take out the supply battery, and after the supply battery is taken out, the display module displays the information of completing battery changing and pushes the information of completing battery changing to a user terminal;
If the battery information is not matched with the battery information in the user demand instruction information, uploading the error information to the central management platform, and re-determining the battery supply by the central management platform, and re-executing the judgment of whether the state information of the battery supply is matched with the battery information in the user demand instruction information or not until the battery replacement is completed, otherwise, prompting the battery without meeting the condition by the display module or displaying the waiting battery replacement duration information and pushing the waiting battery replacement duration information to the user terminal.
4. The system of claim 1, wherein the central management platform further comprises: the information interaction module is used for acquiring power supply state information sent by the regional power distribution network management system; the power supply state information includes: grid load information;
acquiring current electricity consumption requirements of all charging and changing cabinet networks under the regional power distribution network;
Generating a power supply strategy according to the current power supply state information of the regional power distribution network and the current power consumption demand; the power supply strategy is to supply power by using the power distribution network and/or the power storage station;
and supplying power to the charging and replacing cabinet under the regional power distribution network according to the power supply strategy.
5. The system of claim 4, wherein generating a power supply strategy based on current power supply status information of the regional power distribution grid and the current power usage demand comprises:
Estimating a power load curve in the current and future time periods;
If the residual power grid load of the regional power distribution network in the current and future time periods is greater than a preset power grid threshold value and the power consumption demand of all the charging and replacing cabinets in the current and future time periods is lower than a first preset threshold value, the regional power distribution network supplies power to the charging and replacing cabinets;
if the residual power grid load of the regional power distribution network in the current and future time periods is smaller than or equal to the preset power grid threshold value and the current residual power value of the power storage station is larger than a second preset threshold value, the power distribution network and the power storage station are used for supplying power to the charging and replacing cabinet;
If the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is larger than a second preset threshold value, the power storage station is used for supplying power to the charging and replacing cabinet;
And if the regional distribution network in the current and future time periods is in a power-suspension state and the current residual electric quantity value of the power storage station is smaller than or equal to a second preset threshold value, stopping supplying power to the charging and replacing cabinet and performing electric quantity early warning.
6. The system of claim 5, wherein the system further comprises:
after a user takes out the supply battery and puts the recovery battery on the electric vehicle into a charging and changing cabinet, the local control module charges the recovery battery to a full-charge state according to the charging strategy;
Predicting peak time, usual time and valley time of a period from the current to the future according to a historical electricity load curve of the regional distribution network;
Determining an electric quantity distribution strategy based on the peak time period, the normal time period and the valley time period of the current to future time period;
and dynamically adjusting the input electric quantity and the output electric quantity of the charging and changing cabinet under the regional power distribution network according to the electric quantity distribution strategy.
7. The system of claim 6, wherein the dynamically adjusting the input and output power of the charging cabinet according to the power distribution strategy comprises:
If the regional distribution network is in a flat period, the regional distribution network charges the battery modules in the charging and changing cabinet or charges the battery modules of the electric automobile through a charging interface;
If the regional power distribution network is in a peak period, the power distribution network and the power storage station supply power to the charging and replacing cabinet, and the battery module of the idle electric vehicle or the electric vehicle is recovered to discharge to the charging and replacing cabinet or serve as a standby battery module;
And if the regional distribution network is in the valley period, the regional distribution network or the power storage station charges the battery module in the charging and replacing cabinet or charges the battery module of the electric automobile through a charging interface, and stores electric quantity to the power storage station through the regional distribution network.
8. The system of claim 6, wherein the system comprises:
Predicting the electricity consumption of the regional power distribution network in a current period of time and a future period of time according to the historical electricity consumption information of the regional power distribution network and generating an electricity consumption load curve;
when the center management platform receives charging request information sent by the mobile terminal, a charging demand task queue vector is established; wherein the charging request information includes: the ID of the charging cabinet, the electric automobile identification, the residual electric quantity, the charging mode and the predicted charging time period;
According to the electricity load curve and the charging request information, sequencing each task in a to-be-executed charging demand task queue based on priority and electricity price information of a charging period to form a charging task queue;
And when the task waiting to be charged in the charging task queue meets the charging starting condition, sequentially executing the sequenced charging tasks.
9. The system of claim 1, wherein the system comprises:
The electric vehicle or a user of the electric vehicle sends charging or power changing request information to the central management platform through the mobile terminal; the charging or electricity changing request information comprises a residual electricity value and a residual mileage of the electric vehicle or the electric vehicle;
The center management platform receives information from a user charging request and acquires position information of the electric automobile in real time, and the position coordinates of the electric automobile can be obtained through navigation equipment in the electric automobile or through positioning information of a user mobile terminal;
The database of the central management platform stores IDs of all charging and replacing cabinets and corresponding position information;
according to the charging or electricity changing request information, the central management platform executes an intelligent electricity utilization recommendation strategy and gives out an optimal charging station and a corresponding optimal electricity utilization path of each charging request;
The center management platform pushes the optimal charging cabinet and the corresponding optimal electricity utilization channel information to the electric vehicle or the mobile terminal of the corresponding user;
And the electric vehicle or the electric automobile reaches the optimal charging and changing cabinet to charge or change electricity according to the optimal electricity consumption information.
10. The system of claim 9, wherein the intelligent electricity recommendation strategy is formulated according to a historical electricity load curve and electricity price information thereof, working state information of the recharging cabinet, a residual electricity value and a residual mileage of an electric vehicle or an electric vehicle, a user period and user positioning information, and an optimal recharging scheme is generated; the optimal charging and changing scheme comprises at least one of a closest charging and changing scheme, a time-consuming shortest charging and changing scheme and a cost-consuming minimum charging and changing scheme.
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