CN115797131B - Carbon emission monitoring method, device, equipment and readable storage medium - Google Patents
Carbon emission monitoring method, device, equipment and readable storage medium Download PDFInfo
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Abstract
The application discloses a carbon emission monitoring method, a device, equipment and a readable storage medium, wherein the method is applied to a charging platform system and comprises the following steps: receiving a charging process message uploaded by current charging equipment at a set time interval; the charging process message comprises the code of the equipment, the charging amount of the equipment in a set time interval and the reporting time of the message; acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the codes of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method; and calculating the carbon emission of the vehicle in the set time interval according to the report time of the message, the electric power carbon intensity function corresponding to the current charging equipment and the charge quantity of the equipment in the set time interval. According to the technical scheme, the quantification and monitoring of the carbon discharge capacity of the vehicle in each charging period are achieved, and therefore the carbon discharge capacity condition in the vehicle charging process can be known.
Description
Technical Field
The present disclosure relates to the field of electric vehicle charging technologies, and in particular, to a method, an apparatus, a device, and a readable storage medium for monitoring carbon emission.
Background
The charging load aggregator refers to an enterprise that provides charging services for electric car users. Charging load aggregators build charging equipment such as charging piles connected with a power grid in public places so as to provide charging service for electric automobile users.
At present, the existing charging platform system of the charging load aggregator does not monitor the carbon discharge capacity of the electric automobile user in the charging process, so that the information of the carbon discharge capacity of the electric automobile user in the charging process cannot be obtained.
In summary, how to monitor the carbon emission during the charging process of the electric automobile user is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the foregoing, it is an object of the present application to provide a method, apparatus, device and readable storage medium for monitoring carbon emissions during charging of electric vehicle users.
In order to achieve the above object, the present application provides the following technical solutions:
a carbon emission monitoring method is applied to a charging platform system, and comprises the following steps:
When a current charging device charges a vehicle, receiving a charging process message uploaded by the current charging device at a set time interval; the charging process message comprises the code of the current charging equipment, the charging quantity of the current charging equipment in the set time interval and the reporting time of the charging process message;
acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the code of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method;
and calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
Preferably, the pre-calculating the power carbon intensity function corresponding to each charging device according to the power flow tracking method includes:
acquiring a power grid topology, and acquiring a branch related to target charging equipment and a node related to the target charging equipment according to the power grid topology; the target charging device is any charging device;
Acquiring the active power flow of a branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
calculating the real-time carbon emission intensity of the nodes related to the target charging equipment according to the active power flow of the branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
and calculating an electric power carbon intensity function corresponding to the target charging equipment according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment.
Preferably, calculating the real-time carbon emission intensity of the node related to the target charging device according to the active power flow of the branch related to the target charging device in the power grid topology and the real-time carbon emission intensity of each power plant node in the initial branch comprises:
by means of
Calculating a real-time carbon emission intensity of a node related to the target charging device from each of the power plant nodes; />
The real-time carbon emission intensity of the xth node is represented by t, N is the set of all branches with current flowing into the xth node in the branches connected with the xth node, i is the branch number, and #>
For the active power flow of the ith branch corresponding to the xth node,/th branch >
The real-time carbon emission intensity of the ith branch is obtained;
according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment, calculating an electric power carbon intensity function corresponding to the target charging equipment, wherein the electric power carbon intensity function comprises the following steps:
by means of
Calculating the power carbon intensity function corresponding to the nth charging device +.>
； wherein ,/>
For the collection of all branches with current flowing into the nth charging device in the branches connected with the nth charging device, j is the branch number, +.>
For the active power flow of the jth branch corresponding to the nth charging device, +.>
The real-time carbon emission intensity of the jth branch is given, and t is time.
Preferably, after receiving the charging process message uploaded by the current charging device at a set time interval, the method further includes:
storing the charging process message in a corresponding time sequence database table in a time sequence database;
after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval, the method further comprises:
and storing the carbon emission amount of the vehicle in the set time interval in a corresponding time sequence database table in the time sequence database.
Preferably, the method further comprises:
acquiring the carbon emission of the vehicle according to the sequence of the reporting time from the start of charging to the stop of charging of the vehicle;
and drawing a carbon emission curve according to the obtained carbon emission, and displaying the carbon emission curve on the current charging equipment and/or a mobile terminal of a user corresponding to the vehicle.
Preferably, the method further comprises:
receiving a device side transaction record sent by the current charging device after the vehicle stops charging, and storing the device side transaction record in a time sequence database; the device side transaction record comprises a charging start time and a charging stop time.
Preferably, the method further comprises:
receiving a charging starting request sent by a user of the vehicle, sending a charging starting instruction to the current charging equipment according to the charging starting request, and receiving charging starting information sent by the current charging equipment; the charging start information comprises a charging start time;
further comprises:
receiving an end charging instruction sent by a user of the vehicle, sending a charging stopping instruction to the current charging equipment according to the end charging instruction, and receiving charging stopping information sent by the current charging equipment; the charge stop information includes a stop charge time.
A carbon emission monitoring device, applied to a charging platform system, comprising:
the receiving module is used for receiving a charging process message uploaded by the current charging equipment at a set time interval when the current charging equipment charges the vehicle; the charging process message comprises the code of the current charging equipment, the charging quantity of the current charging equipment in the set time interval and the reporting time of the charging process message;
the first acquisition module is used for acquiring the electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity function corresponding to each charging equipment according to the code of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method;
and the calculation module is used for calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
A carbon emission monitoring device comprising:
a memory for storing a computer program;
A processor for implementing the steps of the carbon emission monitoring method as described in any one of the above when executing the computer program.
A readable storage medium having stored therein a computer program which, when executed by a processor, implements the steps of the carbon emission monitoring method as set forth in any one of the preceding claims.
The application provides a carbon emission monitoring method, a device, equipment and a readable storage medium, wherein the method is applied to a charging platform system and comprises the following steps: when the current charging equipment charges the vehicle, receiving a charging process message uploaded by the current charging equipment at a set time interval; the charging process message comprises the code of the current charging equipment, the charging amount of the current charging equipment in a set time interval and the reporting time of the charging process message; acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the codes of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method; and calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
According to the technical scheme, when the current charging equipment charges the vehicle, the charging platform system receives the charging process message uploaded by the current charging equipment at the set time interval. Then, according to the code of the current charging equipment contained in the charging process message, acquiring the electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment, which are calculated in advance according to the electric power flow tracking method, and then, according to the electric power carbon intensity function corresponding to the current charging equipment, the reporting time of the charging process message contained in the charging process message and the charging quantity of the current charging equipment in a set time interval, calculating the carbon emission quantity of the vehicle in the set time interval, so as to realize the quantification and monitoring of the carbon emission quantity of the vehicle in each charging period, thereby obtaining the carbon emission quantity condition in the charging process of the vehicle, and reasonably quantifying the carbon emission quantity of the charging equipment side to the charging user side through the process.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of a method for monitoring carbon emissions according to an embodiment of the present application;
FIG. 2 is a timing database representation intent provided by an embodiment of the present application;
FIG. 3 is a timing chart of a method for monitoring carbon displacement during vehicle charging according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a carbon emission monitoring device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a carbon emission monitoring device according to an embodiment of the present application.
Detailed Description
The core of the application is to provide a carbon emission monitoring method, a device, equipment and a readable storage medium, which are used for monitoring carbon discharge in the charging process of an electric automobile user.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, which is a flowchart illustrating a carbon emission monitoring method according to an embodiment of the present application, the carbon emission monitoring method according to an embodiment of the present application is applied to a charging platform system, and may include:
S11: when the current charging equipment charges the vehicle, receiving a charging process message uploaded by the current charging equipment at a set time interval; the charging process message comprises the code of the current charging equipment, the charging quantity of the current charging equipment in a set time interval and the reporting time of the charging process message.
The charging platform system is connected with each charging device (i.e. charging facilities such as charging piles) corresponding to the charging platform system.
When the vehicle is connected with the current charging equipment in the charging equipment connected with the charging platform system, the current charging equipment charges the vehicle. The current charging equipment is any charging equipment connected with the charging platform system.
When the current charging equipment charges the vehicle, the current charging equipment uploads a charging process message to the charging platform system at a set time interval, and correspondingly, the charging platform system receives the charging process message uploaded by the current charging equipment at the set time interval. The set time interval may be set according to the conditions of the charging device and the charging platform system, for example, may be 90 seconds or 180 seconds. That is, the charging process message is uploaded by the current charging device at a fixed frequency when the current charging device charges the vehicle, and then the charging platform system receives the charging process message uploaded by the current charging device at the fixed frequency.
The charging process message uploaded by the current charging equipment can specifically include the code of the current charging equipment, the charging quantity of the current charging equipment in a set time interval and the reporting time of the charging process message, and can also include information such as order serial numbers. Each charging device corresponds to a unique code, the code of the charging device also represents the position information of the charging device, and of course, the charging process message may also include the position information (such as longitude and latitude) of the current charging device; the order serial number can uniquely distinguish each order of the charging client, that is, each charging device corresponds to one order serial number when the vehicle is charged once (from the start of charging to the end of charging).
S12: acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the codes of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to the electric power flow tracking method.
The charging platform system can calculate and obtain the electric power carbon intensity function corresponding to each charging device in advance according to the electric power flow tracking method. Wherein the electric power carbon intensity function 
Is a function of the electric power carbon emission intensity with respect to time t, position n (n is a specific position of a certain charging device), i.e.)>
And the electric power carbon emission intensity is partitioned in a time-sharing way. The electrical carbon intensity function characterizes the carbon dioxide content per degree of electricity per unit time for a given area in units of gCO 2 e/kWh. That is, the electric power carbon emission intensity of different charging devices at the same time is not the same, and the electric power carbon emission intensity of the same charging device at different times is also not the same. The electric power carbon emission intensity has a time characteristic for the same charging device, and the electric power carbon emission intensity is different at different times.
The charging equipment side is connected with the distribution network transformer, and the distribution network transformer is connected with a power grid, so that the node power carbon emission intensity of the time-sharing partition of the power grid side is the node carbon intensity of the transformer, and the power carbon intensity of the specific transformer side can reflect the power carbon emission intensity of different times and places through a power flow tracking method. Similar to the power flow model describing the flow of power in the network, the power carbon intensity model is used to describe the virtual network flow formed by carbon emissions in the power system to maintain any branch power flow. Based on the dependency between the carbon flow and the active power flow, it can be understood that the carbon flow starts from the power plant node, flows in the power grid as the active power enters the power system, and finally flows into the load node. The carbon flow model may essentially enable transfer of carbon emission responsibilities from the electricity producer to the consumer.
The association relation between the branch carbon flow and the active power flow on the branch is established by the following formula:
in the above-mentioned formula 1 of the present invention,
for the real-time carbon emission intensity of a certain branch, gCO 2 e/kW；/>
For the carbon flow of the branch gCO 2 e；/>
For the active power flow of the branch, kW.
After receiving the charging process message uploaded by the current charging equipment, the charging platform system can acquire the electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment obtained in advance according to the codes of the current charging equipment contained in the charging process message, so that the calculation of the carbon emission is carried out according to the electric power carbon intensity function corresponding to the current charging equipment.
S13: and calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
Based on the step S11 and the step S12, the charging platform system may obtain the power carbon emission intensity corresponding to the reporting time of the current charging device according to the reporting time of the charging process message included in the charging process message uploaded by the current charging device and the obtained power carbon intensity function corresponding to the current charging device. Then, the carbon emission intensity of the electric power corresponding to the reporting time of the current charging device can be multiplied by the charge amount of the current charging device in the charging process message in the set time interval, so as to calculate and obtain the carbon emission amount of the vehicle in the set time interval, wherein the carbon emission amount of the vehicle in the set time interval substantially refers to the carbon emission amount corresponding to the charge amount of the vehicle in the set time interval.
The accuracy of the corresponding electric power carbon intensity calculation can be improved by acquiring the corresponding electric power carbon intensity function according to the code of the current charging equipment and calculating the corresponding electric power carbon emission intensity according to the reporting time of the charging process message, so that the carbon dioxide emission amount of the electric automobile user at each charging moment can be accurately calculated.
Therefore, the charging platform system can not only realize the quantification and monitoring of the carbon discharge capacity of the vehicle in each set time interval in the charging process, but also improve the accuracy of the quantification and monitoring of the carbon discharge capacity in each set time. Moreover, the charging platform system can reasonably transfer the responsibility of carbon emission from the load aggregator side to the electricity consumer side (namely, successfully transfer the carbon emission amount of the grid side to the electricity consumer side) through the process, so as to realize the allocation of the carbon emission cost of the load aggregator side to each charging consumer side (namely, the allocation of the carbon emission reduction cost of the grid side to the electricity consumer side).
In addition, after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging device and the charging quantity of the current charging device in the set time interval, the carbon emission of the vehicle in each set time interval from the start of charging to the end of charging can be added to obtain the total carbon emission of the vehicle in the whole charging process.
According to the technical scheme, when the current charging equipment charges the vehicle, the charging platform system receives the charging process message uploaded by the current charging equipment at the set time interval. Then, according to the code of the current charging equipment contained in the charging process message, acquiring the electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment, which are calculated in advance according to the electric power flow tracking method, and then, according to the electric power carbon intensity function corresponding to the current charging equipment, the reporting time of the charging process message contained in the charging process message and the charging quantity of the current charging equipment in a set time interval, calculating the carbon emission quantity of the vehicle in the set time interval, so as to realize the quantification and monitoring of the carbon emission quantity of the vehicle in each charging period, thereby obtaining the carbon emission quantity condition in the charging process of the vehicle, and reasonably quantifying the carbon emission quantity of the charging equipment side to the charging user side through the process.
The method for monitoring carbon emission, provided by the embodiment of the application, pre-calculates the electric power carbon intensity function corresponding to each charging device according to the electric power flow tracking method, and may include:
Acquiring a power grid topology, and acquiring a branch related to target charging equipment and a node related to the target charging equipment according to the power grid topology; the target charging device is any charging device;
acquiring the active power flow of a branch related to target charging equipment and the real-time carbon emission intensity of each power plant node;
calculating the real-time carbon emission intensity of the nodes related to the target charging equipment according to the active power flow of the branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
and calculating an electric power carbon intensity function corresponding to the target charging equipment according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment.
In the present application, when the power carbon intensity function corresponding to each charging device is calculated in advance according to the power flow tracking method, the power grid topology may be acquired first, and the branch related to the target charging device (any charging device connected to the charging platform system) and the node related to the target charging device may be acquired according to the power grid topology. The branch related to the target charging equipment refers to all branches connected to the target charging equipment from each power plant, and the node related to the target charging equipment refers to a node (not including a power plant node and the target charging equipment) on the branch related to the target charging equipment, so that the calculation of the electric power carbon intensity function of the target charging equipment is facilitated according to the information.
And, the active power flow of the branch related to the target charging device and the real-time carbon emission intensity of each power plant node can be obtained, so as to calculate the power carbon intensity function of the target charging device according to the power flow based on the active power flow.
After the information is obtained, the real-time carbon emission intensity of the node related to the target charging equipment can be calculated according to the power flow according to the active power flow of the branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node. Specifically, the real-time carbon emission intensity of the node related to the target charging equipment is calculated sequentially from the node of the power plant (namely, the node is calculated in a forward and backward pushing manner) until the real-time carbon emission intensity of the node which is positioned at the upper stage of the target charging equipment and is connected with the target charging equipment is calculated (namely, the node connected with the target charging equipment in the node related to the target charging equipment is directly connected). Then, the electric power carbon intensity function corresponding to the target charging device may be calculated according to the real-time carbon emission intensity of the node connected with the target charging device among the nodes related to the target charging device.
For different charging devices, because the positions of the different charging devices in the power grid topology are different, the branches related to each charging device, the nodes related to each charging device and the active power flow on the branches related to each charging device are different, so the power carbon intensity functions corresponding to each charging device are not the same, namely the power carbon intensity functions are functions related to the positions. In the same charging device, the active power flows on the branches related to the charging device are different at different times, so that the function of the power carbon intensity corresponding to the charging device is also a function related to time.
Through the process, the calculation of the electric power carbon intensity function corresponding to all charging equipment connected with the charging platform system can be realized, and the accuracy of the calculation of the electric power carbon intensity function can be improved.
According to the carbon emission monitoring method provided by the embodiment of the application, according to the active power flow of the branch related to the target charging equipment in the power grid topology and the real-time carbon emission intensity of each power plant node in the initial branch, the real-time carbon emission intensity of the node related to the target charging equipment is calculated, and the method can comprise the following steps:
By means of
Calculating a real-time carbon emission intensity of a node related to the target charging equipment from each power plant node; />
The real-time carbon emission intensity of the xth node is represented by t, N is the set of all branches with current flowing into the xth node in the branches connected with the xth node, i is the branch number, and #>
For the active power flow of the ith branch corresponding to the xth node,/th branch>
The real-time carbon emission intensity of the ith branch is obtained;
according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment, calculating the electric power carbon intensity function corresponding to the target charging equipment can comprise:
by means of
Calculating the power carbon intensity function corresponding to the nth charging device +.>
； wherein ,/>
For the collection of all branches with current flowing into the nth charging device in the branches connected with the nth charging device, j is the branch number, +.>
For the active power flow of the jth branch corresponding to the nth charging device, +.>
The real-time carbon emission intensity of the jth branch is given, and t is time.
In the present application, use is made in particular of
And calculating the real-time carbon emission intensity of the node related to the target charging equipment from the node of the power plant, namely sequentially calculating the real-time carbon emission intensity of the node related to the target charging equipment from front to back by using the formula. Wherein +_in dependence on the real-time carbon emission intensity of the branch and the carbon flow of the branch >
Can also be converted into +.>
。/>
The real-time carbon emission intensity of the xth node is represented by t, N is the set of all branches with current flowing into the xth node in the branches connected with the xth node, i is the branch number, and #>
For the active power flow of the ith branch corresponding to the xth node,/th branch>
For the real-time carbon emission intensity of the ith branch, < >>
For the carbon flow of the ith branch, +.>
Can be used to establish the association between the input carbon flow and the output carbon flow at the node.
The node carbon emission intensity in the system is an extension of the traditional power generation carbon emission intensity, and in the power carbon intensity space-time analysis model, the node carbon emission intensity at the charging equipment can be used for understanding the carbon emission amount generated at the power plant side when the node consumes the unit electric quantity.
For the calculation of the electric power carbon intensity function corresponding to the target charging equipment, the specific method can be utilized
To calculate. Electric power carbon intensity function corresponding to nth charging device->
According to the dependency of the real-time carbon emission intensity of the branch and the carbon flow of the branch, +.>
Can also be transformed into
, wherein ,/>
For the collection of all branches with current flowing into the nth charging device in the branches connected with the nth charging device, j is the branch number, +.>
Active power flow for the jth branch corresponding to the nth charging device (at different moments +. >
Not identical, i.e.)>
Time-dependent),%>
For the real-time carbon emission intensity of the jth branch, t is time, < >>
Can be used to establish an association between the input carbon flow and the output carbon flow on the charging device node.
Through the method, the electric power carbon intensity function corresponding to each charging device connected with the charging platform system can be accurately calculated, so that the accuracy of monitoring the carbon emission of the vehicle in a set time interval is improved.
The method for monitoring carbon emission, provided by the embodiment of the application, after receiving a charging process message uploaded by a current charging device at a set time interval, may further include:
storing the charging process message in a corresponding time sequence database table in the time sequence database;
after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval, the method can further comprise:
the carbon emission amount of the vehicle in the set time interval is stored in a corresponding time-series database table in the time-series database.
In the application, since the charging device has obvious time sequence characteristics for charging the vehicle, after receiving the charging process message uploaded by the current charging device at a set time interval, the charging process message can be stored in the corresponding time sequence database table in the time sequence database. Each charging process message may correspond to a time-series database table, and particularly, fig. 2 may be referred to, which shows that the time-series database provided in this embodiment of the present application represents an intention, where the time-series database table may include a timestamp (used to record time (may be specifically a reporting time included in the charging process message or a time when the charging platform system receives the charging process message, etc.), an order serial number (capable of uniquely distinguishing each order of a charging client), detailed information of the charging process message (may specifically be json format content), a code of a charging device, a carbon dioxide emission amount in the period (i.e., a carbon emission amount in the set time interval), a charging amount of a vehicle in the set time interval, and a charging state (including starting charging, during charging, stopping charging, and completing charging). Of course, when the current charging device charges a vehicle, a time sequence database table may be corresponding to the current charging device, and all charging process messages in the charging process of the current charging device for the vehicle may be stored in the corresponding time sequence database table.
In addition, after the carbon emission of the vehicle in the set time interval is calculated according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval, the carbon emission of the vehicle in the set time interval is stored in a corresponding time sequence database table in the time sequence database. If one charging process message corresponds to one time sequence database table, the carbon emission of the vehicle in the set time interval corresponding to the charging process message is stored in the time sequence database table corresponding to the charging process message, and for the time sequence database table in fig. 4, the carbon emission of the vehicle in the set time interval is stored in the summary of co2_count of the corresponding time sequence database table; if the whole charging process of a vehicle corresponds to a time sequence database table, the carbon emission of the vehicle in a set time interval is uniformly stored in the time sequence database table, and the charging process message in the time sequence database table has a corresponding relation with the corresponding carbon emission so as to obtain the carbon emission corresponding to the corresponding set time interval according to the corresponding relation.
The storage of the related information according to the time sequence can be well realized by storing the charging process message and the calculated carbon emission in the time sequence data table of the time sequence database, and the subsequent inquiry and acquisition of the related information according to the time sequence are facilitated.
The method for monitoring carbon emission provided by the embodiment of the application may further include:
acquiring the carbon emission of the vehicle according to the sequence of the reporting time from the start of charging to the stop of charging of the vehicle;
and drawing a carbon emission curve according to the acquired carbon emission, and displaying the carbon emission curve on the current charging equipment and/or a mobile terminal of a user corresponding to the vehicle.
In the present application, after the vehicle on the current charging device stops charging, the charging platform system may acquire the carbon emission amount of the vehicle (specifically, the carbon emission amount of the vehicle may be acquired from the time sequence database) according to the sequence of the reporting time of each charging process message (specifically, the sequence from the front to the back) from the start of charging to the stop of charging, that is, the carbon emission amount of the vehicle from the start of charging to the stop of charging. The current charging device can respectively send charging information once to the charging platform system when charging is started and charging is finished, namely, the charging platform system is sent once when charging is started, the charging platform system is sent once when charging is finished, charging information is sent once when charging is finished, the charging starting information comprises charging starting time, and the charging ending information comprises charging ending time. Alternatively, the current charging device may send a notification to the charging platform system (i.e., corresponding to the start charging notification and the end charging notification) when starting charging and ending charging, respectively, so that the charging platform system may learn when the current charging device starts charging and when ending charging. Alternatively, it may be that the charging platform system actively monitors when the current charging device starts charging, when charging ends, etc.
Then, a carbon emission amount curve may be plotted from the acquired carbon emission amount of the vehicle from the start of charging to the stop of charging (specifically, the carbon emission amount curve may be fitted). In the carbon displacement curve, the abscissa may be time and the ordinate may be carbon emissions. The drawn carbon emission curve may then be displayed on the current charging device and/or on the mobile terminal of the user corresponding to the vehicle (specifically, on the APP of the mobile terminal of the user, which is specifically the user charging APP, for connection with the charging device and the charging platform system).
The carbon emission curve is drawn, and the carbon emission curve is displayed, so that a vehicle user can intuitively acquire corresponding carbon emission information in the vehicle charging process.
Of course, the charging platform system can also acquire the power from the start of charging to the stop of charging of the vehicle, draw a power curve according to the acquired power from the start of charging to the stop of charging of the vehicle, and display the power curve on the current charging equipment and/or on the mobile terminal of the user corresponding to the vehicle, so that the user of the vehicle can also intuitively acquire the corresponding power information in the charging process of the vehicle.
The method for monitoring carbon emission provided by the embodiment of the application may further include:
receiving an equipment side transaction record sent by the current charging equipment after the vehicle stops charging, and storing the equipment side transaction record in a time sequence database; the device-side transaction record may include a start charging time and a stop charging time.
When the vehicle stops charging, the current charging device may send a device side transaction record to the charging platform system, and accordingly, the charging platform system may receive the device side transaction record sent by the current charging device after the vehicle stops charging. The transaction record at the device side may include information such as a start charging time, a stop charging time, a total charging amount, and a charging state.
After receiving the transaction record of the equipment side, the charging platform system can store the transaction record of the equipment side in a time sequence database so as to facilitate the follow-up inquiry of vehicle charging related information and the like according to the transaction record of the equipment side, and facilitate the charging equipment platform to acquire the starting charging time and the stopping charging time according to the transaction record of the equipment side stored in the time sequence database, thereby facilitating the charging platform system to well inquire the carbon emission amount and draw a carbon emission amount curve and the like according to the starting charging time and the stopping charging time.
The method for monitoring carbon emission provided by the embodiment of the application may further include:
receiving a charging starting request sent by a user of the vehicle, sending a charging starting instruction to current charging equipment according to the charging starting request, and receiving charging starting information sent by the current charging equipment; the charge start information may include a start charge time;
may further include:
receiving an end charging instruction sent by a user of the vehicle, sending a charging stopping instruction to current charging equipment according to the end charging instruction, and receiving charging stopping information sent by the current charging equipment; the charge stop information may include a stop charge time.
When the vehicle is to be charged, a user of the vehicle can send a charging starting request to the charging platform system through the mobile terminal, and accordingly, the charging platform system can receive the charging starting request sent by the user of the vehicle. Then, the charging platform system may send a start charging instruction to the current charging device according to the received start charging request, so that the current charging device may start charging after receiving the start charging instruction, and may send charging start information (including start charging time, state of the current charging device) to the charging platform system, so that the charging platform system may receive the charging start information sent by the current charging device and store the charging start information.
When the vehicle finishes charging, a user of the vehicle can send a charging ending instruction to the charging platform system through the mobile terminal, and accordingly, the charging platform system can receive the charging ending instruction sent by the user of the vehicle. Then, the charging platform system may send a charging stopping instruction to the current charging device according to the received charging ending instruction, so that the current charging device may start to stop charging after receiving the charging stopping instruction, and may send charging stopping information (including a charging stopping time and a state of the current charging device) to the charging platform system, so that the charging platform system may receive the charging stopping information sent by the current charging device and store the charging stopping information.
Referring specifically to fig. 3, a timing flowchart of a method for monitoring carbon displacement during vehicle charging according to an embodiment of the present application is shown:
1. the user uses the APP on the mobile terminal to scan the two-dimensional code of the charging equipment, and the two-dimensional code information (information such as the code of the charging equipment) can be obtained after the code scanning; the APP sends a charging starting request to the charging platform system.
2. After receiving a charging starting request sent by a user, the charging platform system stores information such as a charging equipment code, a charging state and the like into a time sequence database.
3. The charging platform system issues a charging starting instruction to the charging equipment, and simultaneously stores the issued state into the time sequence database.
4. After receiving a charging starting instruction issued by the charging platform system, the charging equipment starts charging and sends information such as starting time (namely charging starting time) to the charging platform system, and the charging platform system stores the information into a time sequence database after receiving the information.
5. The charging device sends charging process messages (including the period of electricity information) to the charging platform system in real time (at a fixed frequency, i.e., at set time intervals) when charging the user vehicle. The charging platform system analyzes the charging process message to obtain electric quantity information, and meanwhile, according to sampling time (namely reporting time) in the charging process message, the electric power carbon intensity function corresponding to the charging equipment is called
(namely, the current charging equipment reports the electric power carbon emission intensity corresponding to the time), calculates the product of the electric power carbon emission intensity and the time, and stores the result into a time sequence database as the carbon emission amount of the time period. Wherein, electric power carbon intensity function->
Characterizing the carbon dioxide content per degree of electricity per unit time for a given area (charging device at a location) in units of gCO 2 e/kWh. The electric power carbon emission intensity of different times and places can be effectively reflected by the electric power flow tracking method. Similar to the flow model describing the flow of power in a network.
6. And after the user finishes charging, sending a charging ending instruction to the charging platform system through the background APP service. The charging platform system updates the state information into a value time sequence database after receiving the state information; and simultaneously, initiating a charging ending instruction to the charging equipment.
7. After receiving the charging ending instruction of the charging platform system, the charging equipment stops charging and sends a charging stopping result (namely charging stopping information) to the charging platform system. And the charging platform system stores the information such as the charging stopping time and the like into a time sequence database.
8. And after the charging equipment finishes charging, uploading the equipment side transaction record to a charging platform system. And the charging platform system receives and stores the transaction record at the equipment side into the time sequence database.
9. The charging platform system receives the charging record and updates the information of the starting time, the state and the like in the transaction record to the time sequence database.
10. And the charging platform system queries a time sequence database through the start-stop time in the transaction record, acquires the carbon emission in the period, fits a curve and returns to the user side.
The embodiment of the application also provides a carbon emission monitoring device, which is applied to a charging platform system, see fig. 4, and shows a schematic structural diagram of the carbon emission monitoring device provided by the embodiment of the application, and may include:
the receiving module 41 is configured to receive a charging process packet uploaded by the current charging device at a set time interval when the current charging device charges the vehicle; the charging process message can comprise the code of the current charging equipment, the charging quantity of the current charging equipment in a set time interval and the reporting time of the charging process message;
the first obtaining module 42 is configured to obtain, according to the code of the current charging device, an electric power carbon intensity function corresponding to the current charging device from electric power carbon intensity functions corresponding to the charging devices; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method;
the calculating module 43 is configured to calculate a carbon emission amount of the vehicle in a set time interval according to a reporting time of the charging process message, a power carbon intensity function corresponding to the current charging device, and a charging amount of the current charging device in the set time interval.
The carbon emission monitoring device provided by the embodiment of the application may include a precalculation module for precalculating a power carbon intensity function corresponding to each charging device according to a power flow tracking method, where the precalculation module may include:
The first acquisition unit is used for acquiring a power grid topology, and acquiring a branch related to the target charging equipment and a node related to the target charging equipment according to the power grid topology; the target charging device is any charging device;
the second acquisition unit is used for acquiring the active power flow of the branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
a first calculation unit, configured to calculate a real-time carbon emission intensity of a node related to the target charging device according to an active power flow of a branch related to the target charging device and a real-time carbon emission intensity of each power plant node;
and the second calculation unit is used for calculating an electric power carbon intensity function corresponding to the target charging equipment according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment.
The embodiment of the application provides a carbon emission monitoring device, the first calculation unit may include:
a first computing subunit for utilizing
Calculating a real-time carbon emission intensity of a node related to the target charging equipment from each power plant node; />
The real-time carbon emission intensity of the xth node is represented by t, N is the set of all branches with current flowing into the xth node in the branches connected with the xth node, i is the branch number, and # >
For the active power flow of the ith branch corresponding to the xth node,/th branch>
The real-time carbon emission intensity of the ith branch is obtained;
the second calculation unit may include:
a second computing subunit for utilizing
Calculating the power carbon intensity function corresponding to the nth charging device +.>
； wherein ,/>
For the collection of all branches with current flowing into the nth charging device in the branches connected with the nth charging device, j is the branch number, +.>
For the active power flow of the jth branch corresponding to the nth charging device, +.>
The real-time carbon emission intensity of the jth branch is given, and t is time.
The embodiment of the application provides a carbon emission monitoring device, can also include:
the first storage module is used for storing the charging process message in a corresponding time sequence database table in the time sequence database after receiving the charging process message uploaded by the current charging equipment at a set time interval;
the second storage module is used for storing the carbon emission of the vehicle in the set time interval in a corresponding time sequence database table in the time sequence database after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
The embodiment of the application provides a carbon emission monitoring device, can also include:
the second acquisition module is used for acquiring the carbon emission of the vehicle from the start of charging to the stop of charging of the vehicle according to the sequence of the reporting time;
and the drawing module is used for drawing a carbon emission curve according to the acquired carbon emission and displaying the carbon emission curve on the current charging equipment and/or the mobile terminal of the user corresponding to the vehicle.
The embodiment of the application provides a carbon emission monitoring device, can also include:
the first receiving module is used for receiving the equipment side transaction record sent by the current charging equipment after the vehicle stops charging, and storing the equipment side transaction record in the time sequence database; the device-side transaction record may include a start charging time and a stop charging time.
The embodiment of the application provides a carbon emission monitoring device, can also include:
the second receiving module is used for receiving a charging starting request sent by a user of the vehicle, sending a charging starting instruction to the current charging equipment according to the charging starting request, and receiving charging starting information sent by the current charging equipment; the charge start information may include a start charge time;
The third receiving module is used for receiving a charging ending instruction sent by a user of the vehicle, sending a charging stopping instruction to the current charging equipment according to the charging ending instruction, and receiving charging stopping information sent by the current charging equipment; the charge stop information may include a stop charge time.
The embodiment of the application also provides a carbon emission monitoring device, referring to fig. 5, which shows a schematic structural diagram of the carbon emission monitoring device provided by the embodiment of the application, may include:
a memory 51 for storing a computer program;
the processor 52, when executing the computer program stored in the memory 51, may implement the following steps:
when the current charging equipment charges the vehicle, receiving a charging process message uploaded by the current charging equipment at a set time interval; the charging process message comprises the code of the current charging equipment, the charging amount of the current charging equipment in a set time interval and the reporting time of the charging process message; acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the codes of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method; and calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
The embodiment of the application also provides a readable storage medium, wherein the readable storage medium stores a computer program, and the computer program can realize the following steps when being executed by a processor:
when the current charging equipment charges the vehicle, receiving a charging process message uploaded by the current charging equipment at a set time interval; the charging process message comprises the code of the current charging equipment, the charging amount of the current charging equipment in a set time interval and the reporting time of the charging process message; acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the codes of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method; and calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval.
The readable storage medium may include: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The description of the relevant parts in the carbon emission monitoring device, the device and the readable storage medium provided in the embodiments of the present application may refer to the detailed description of the relevant parts in the carbon emission monitoring method provided in the embodiments of the present application, which is not repeated here.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is inherent to. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. In addition, the parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of the corresponding technical solutions in the prior art, are not described in detail, so that redundant descriptions are avoided.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A carbon emission monitoring method, applied to a charging platform system, comprising:
when a current charging device charges a vehicle, receiving a charging process message uploaded by the current charging device at a set time interval; the charging process message comprises the code of the current charging equipment, the charging quantity of the current charging equipment in the set time interval and the reporting time of the charging process message;
acquiring an electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity functions corresponding to the charging equipment according to the code of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method;
Calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval;
after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval, the method further comprises:
storing the carbon emissions of the vehicle in the set time interval in a corresponding time sequence database table in a time sequence database;
further comprises:
acquiring the carbon emission of the vehicle according to the sequence of the reporting time from the start of charging to the stop of charging of the vehicle;
and drawing a carbon emission curve according to the obtained carbon emission, and displaying the carbon emission curve on the current charging equipment and/or a mobile terminal of a user corresponding to the vehicle.
2. The carbon emission monitoring method according to claim 1, wherein the pre-calculating of the power carbon intensity function corresponding to each of the charging devices according to the power flow tracking method includes:
Acquiring a power grid topology, and acquiring a branch related to target charging equipment and a node related to the target charging equipment according to the power grid topology; the target charging device is any charging device;
acquiring the active power flow of a branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
calculating the real-time carbon emission intensity of the nodes related to the target charging equipment according to the active power flow of the branch related to the target charging equipment and the real-time carbon emission intensity of each power plant node;
and calculating an electric power carbon intensity function corresponding to the target charging equipment according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment.
3. The carbon emission monitoring method of claim 2, wherein calculating the real-time carbon emission intensity of the node associated with the target charging device based on the active power flow of the branch associated with the target charging device in the grid topology, the real-time carbon emission intensity of each of the power plant nodes at the initial branch, comprises:
by means of
Calculating a real-time carbon emission intensity of a node related to the target charging device from each of the power plant nodes; / >
The real-time carbon emission intensity of the xth node is represented by t, N is the set of all branches with current flowing into the xth node in the branches connected with the xth node, i is the branch number, and #>
For the active power flow of the ith branch corresponding to the xth node,/th branch>
The real-time carbon emission intensity of the ith branch is obtained;
according to the real-time carbon emission intensity of the node connected with the target charging equipment in the nodes related to the target charging equipment, calculating an electric power carbon intensity function corresponding to the target charging equipment, wherein the electric power carbon intensity function comprises the following steps:
by means of
Calculating the power carbon intensity function corresponding to the nth charging device +.>
； wherein ,
for the collection of all branches with current flowing into the nth charging device in the branches connected with the nth charging device, j is the branch number, +.>
For the active power flow of the jth branch corresponding to the nth charging device, +.>
The real-time carbon emission intensity of the jth branch is given, and t is time.
4. The carbon emission monitoring method according to claim 1, further comprising, after receiving a charging process message uploaded by the current charging device at a set time interval:
and storing the charging process message in a corresponding time sequence database table in a time sequence database.
5. The carbon emission monitoring method according to claim 1, characterized by further comprising:
receiving a device side transaction record sent by the current charging device after the vehicle stops charging, and storing the device side transaction record in a time sequence database; the device side transaction record comprises a charging start time and a charging stop time.
6. The carbon emission monitoring method according to claim 1, characterized by further comprising:
receiving a charging starting request sent by a user of the vehicle, sending a charging starting instruction to the current charging equipment according to the charging starting request, and receiving charging starting information sent by the current charging equipment; the charging start information comprises a charging start time;
further comprises:
receiving an end charging instruction sent by a user of the vehicle, sending a charging stopping instruction to the current charging equipment according to the end charging instruction, and receiving charging stopping information sent by the current charging equipment; the charge stop information includes a stop charge time.
7. A carbon emission monitoring device, characterized by being applied to a charging platform system, comprising:
The receiving module is used for receiving a charging process message uploaded by the current charging equipment at a set time interval when the current charging equipment charges the vehicle; the charging process message comprises the code of the current charging equipment, the charging quantity of the current charging equipment in the set time interval and the reporting time of the charging process message;
the first acquisition module is used for acquiring the electric power carbon intensity function corresponding to the current charging equipment from the electric power carbon intensity function corresponding to each charging equipment according to the code of the current charging equipment; the electric power carbon intensity function corresponding to each charging device is calculated in advance according to an electric power flow tracking method;
the calculation module is used for calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval;
further comprises:
the second storage module is used for storing the carbon emission of the vehicle in the set time interval in a corresponding time sequence database table in the time sequence database after calculating the carbon emission of the vehicle in the set time interval according to the reporting time of the charging process message, the electric power carbon intensity function corresponding to the current charging equipment and the charging quantity of the current charging equipment in the set time interval;
The second acquisition module is used for acquiring the carbon emission of the vehicle from the start of charging to the stop of charging of the vehicle according to the sequence of the reporting time;
and the drawing module is used for drawing a carbon emission curve according to the acquired carbon emission and displaying the carbon emission curve on the current charging equipment and/or the mobile terminal of the user corresponding to the vehicle.
8. A carbon emission monitoring device, characterized by comprising:
a memory for storing a computer program;
a processor for implementing the steps of the carbon emission monitoring method according to any one of claims 1 to 6 when executing the computer program.
9. A readable storage medium, characterized in that the readable storage medium has stored therein a computer program which, when executed by a processor, implements the steps of the carbon emission monitoring method according to any one of claims 1 to 6.
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