CN114089718A - Ordered charging control terminal test method and system - Google Patents
Ordered charging control terminal test method and system Download PDFInfo
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Abstract
The invention discloses a method and a system for testing an ordered charging control terminal, wherein the method comprises the following steps: receiving a data message of the ordered charging control terminal; analyzing the data message, and extracting an instruction frame and data content; setting the corresponding sending frame according to the power adjusting instruction in the instruction frame, and sending a corresponding reply message; and drawing a test data curve according to the data content. The charging flow and the charging state are simulated by simulating the communication between the charging pile cluster and the terminal which can be adjusted in power, so that various important data records of charging are stored, and then the charging control capability and the charging control effect of the ordered charging terminal are reflected through visual feedback display.
Description
Technical Field
The invention relates to the technical field of electric vehicle charging control, in particular to a method and a system for testing an ordered charging control terminal.
Background
The electric automobile charges and is the load of sudden change to the electric wire netting, in order to maintain the load stable and prevent regional overload, adopt orderly charging to fill electric pile cluster and can reach the purpose of adjusting the restriction load, the requirement terminal that charges in order carries out coordinated control to the electric pile power of charging in the region, the realization is to the regulation of electric wire netting load, but the test to orderly control terminal regulation effect of charging need monitor all stakes in an area, and the reality charges and can reach the test condition rarely, need monitor for a long time on a large scale, consume a large amount of manpower and materials, and do not have the visual show to the data collection, present real environment often can not support the detection of orderly charging and the evaluation to orderly charging effect.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a system for testing an ordered charging control terminal, which simulate a charging process and a charging state by simulating communication between a charging pile cluster capable of adjusting power and the terminal, thereby recording and storing various important charging data, and then reflecting the charging control capability and effect of the ordered charging terminal through visual feedback display.
In order to solve the above technical problem, a first aspect of the embodiments of the present invention provides a method for testing an ordered charging control terminal, including the following steps:
receiving a data message of the ordered charging control terminal;
analyzing the data message, and extracting an instruction frame and data content;
setting the corresponding sending frame according to the power adjusting instruction in the instruction frame, and sending a corresponding reply message;
and drawing a test data curve according to the data content.
Further, the analyzing the data packet includes:
acquiring a frame header, frame content and a frame address of the data message;
obtaining a corresponding charging pile number according to the frame address;
and acquiring effective information of the frame content, storing the instruction frame into a command processing list, and storing the data content into a cache.
Further, the setting processing of the corresponding transmission frame according to the power adjustment instruction in the instruction frame includes:
extracting a power adjusting instruction in the instruction frame and sending the power adjusting instruction to a command storage list;
storing the corresponding data content according to the power regulation instruction in the command storage list;
and setting the corresponding sending frame.
Further, the sending type of the data packet includes: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
Further, the setting the corresponding transmission frame includes:
adopting timing setting to the periodic sending frame;
detecting position changing setting is adopted for the burst frame and the active sending frame;
and setting the reply frame by adopting a message receiving command.
Further, the drawing a test data curve according to the data content includes:
filling intermediate data in the data content to obtain a new data list;
and drawing a line drawing according to the data list.
Further, after the extracting the instruction frame and the data content, the method further includes:
storing data through a dynamic variable intelligent storage technology;
the valid data is stored in its entirety,
and storing the change value and the change time of the corresponding variable in the invalid data.
Accordingly, a second aspect of the embodiments of the present invention provides an ordered charging control terminal test system, including:
the data receiving module is used for receiving the data message of the ordered charging control terminal;
the data analysis module is used for analyzing the data message and extracting an instruction frame and data content;
the instruction processing module is used for setting the corresponding sending frame according to the power adjusting instruction in the instruction frame and sending the corresponding reply message;
and the curve drawing module is used for drawing a test data curve according to the data content.
Further, the data analysis module includes:
the data analysis unit is used for acquiring a frame header, frame content and a frame address of the data message;
the frame address analysis unit is used for obtaining a corresponding charging pile number according to the frame address;
and the frame content analysis unit is used for acquiring effective information of the frame content, storing the instruction frame into a command processing list and storing the data content into a cache.
Further, the instruction processing module comprises:
the instruction extracting unit is used for extracting the power adjusting instruction in the instruction frame and sending the power adjusting instruction to a command storage list;
a data storage unit for storing the corresponding data content according to the power adjustment instruction in the command storage list;
and the setting processing unit is used for carrying out setting processing on the corresponding sending frame.
Further, the sending type of the data packet includes: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
Further, the set processing unit includes:
the first setting subunit is used for adopting timing setting on the periodic transmission frame;
a second setting subunit, configured to apply detection shift setting to the burst frame and the active transmission frame;
and the third setting subunit is used for setting the reply frame by adopting a message receiving command.
Further, the curve drawing module comprises:
the data filling unit is used for filling intermediate data in the data content to obtain a new data list;
and the curve drawing unit is used for drawing a line graph according to the data list.
Further, the ordered charging terminal test system further includes: a data storage module for storing the data of the electronic device,
the data storage module stores data through a dynamic variable intelligent storage technology, completely stores effective data, and stores change values and change time of corresponding variables in invalid data.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
the charging flow and the charging state are simulated by simulating the communication between the charging pile cluster and the terminal which can be adjusted in power, so that various important data records of charging are stored, and then the charging control capability and the charging control effect of the ordered charging terminal are reflected through visual feedback display.
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Fig. 1 is a schematic diagram illustrating steps of an ordered charging control terminal testing method according to an embodiment of the present invention;
fig. 2 is a logic diagram of a method for testing an ordered charging control terminal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a dynamic data intelligent storage technology provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a hardware connection of an ordered charging terminal testing method according to an embodiment of the present invention;
fig. 5 is a block diagram of an ordered charging control terminal test system according to an embodiment of the present invention;
FIG. 6 is a block diagram of a data analysis module provided by an embodiment of the present invention;
FIG. 7 is a block diagram of an instruction processing module provided by an embodiment of the invention;
FIG. 8 is a block diagram of a set processing unit according to an embodiment of the present invention;
fig. 9 is a block diagram of a curve drawing module according to an embodiment of the present invention.
Reference numerals:
1. the data processing device comprises a data receiving module, 2, a data analysis module, 21, a data analysis unit, 22, a frame address analysis unit, 23, a frame content analysis unit, 3, an instruction processing module, 31, an instruction extraction unit, 32, a data storage unit, 33, a setting processing unit, 331, a first setting subunit, 332, a second setting subunit, 333, a third setting subunit, 4, a curve drawing module, 41, a data filling unit, 42, a curve drawing unit, 5 and a data storage module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, a first aspect of an embodiment of the present invention provides a method for testing an ordered charging control terminal, including the following steps:
and S100, receiving a data message of the ordered charging control terminal.
And step S200, analyzing the data message, and extracting an instruction frame and data content.
And step S300, setting the corresponding sending frame according to the power adjusting instruction in the instruction frame, and sending the corresponding reply message.
And step S400, drawing a test data curve according to the data content.
According to the technical scheme, the charging flow and the charging state are simulated through simulating the communication between the charging pile cluster and the terminal which can be adjusted in power, so that various charged important data are recorded and stored, and then the charging control capability and the charging control effect of the ordered charging terminal are reflected through visual feedback display.
Specifically, in step S200, the analyzing the data message includes:
step S210, a header, a frame content and a frame address of the data packet are obtained.
And step S220, obtaining a corresponding charging pile number according to the frame address.
In step S230, the effective information of the frame content is obtained, the instruction frame is stored in the command processing list, and the data content is stored in the cache.
Specifically, in step S300, performing setting processing on the corresponding transmission frame according to the power adjustment instruction in the instruction frame includes:
step S310, power adjustment instructions in the instruction frame are extracted and sent to a command storage list.
Step S320, storing the corresponding data content according to the power adjustment instruction in the command storage list.
Step S330, performs setting processing on the corresponding transmission frame.
In addition, the transmission types of the data packets include: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
Further, in step S330, the setting process performed on the corresponding transmission frame includes:
step S331, a timing setting is applied to the periodic transmission frame.
Step S332, detecting shift bits are used for the burst frame and the active transmission frame.
Step S333, adopting the message receiving command to set the reply frame.
Further, in step S400, drawing a test data curve according to the data content, including:
step S410, filling the intermediate data in the data content to obtain a new data list.
And step S420, drawing a line graph according to the data list.
Further, after the instruction frame and the data content are extracted in step S200, the method further includes:
and S240, storing the data through a dynamic variable intelligent storage technology, completely storing the valid data, and storing the change value and the change time of the corresponding variable in the invalid data.
The dynamic variable intelligent storage technology is used for storing effective data to the maximum extent, invalid data are automatically generated, the change values and the change time of corresponding variables can be stored, and the variables are stored in a memory when not displayed, so that the minimum data storage space is ensured. When the drawing display is carried out, intermediate data are intelligently generated according to the stored data to form a new data list, and the drawing display is convenient. The intermediate data are each generated computationally using a parabolic function.
In a specific embodiment implemented by the technical scheme, based on the raspberry pi and the ZLGCAN box, the raspberry pi is brushed with the latest Raspbian system, a Python environment is configured, the Python version is more than 3.6, and the corresponding library packages pyqt5, decodec frames, pandas and other built-in libraries are configured, and the main flow is as follows:
1. message receiving and sending control flow
The message sending types are a periodic sending frame, a response reply frame, a burst frame and an active sending frame. For the sending position bits of various frames, the periodic frame adopts timing setting, the burst frame and the active sending frame adopt detection displacement setting, and the reply frame adopts message receiving command setting.
According to the protocol content, dividing a frame header, frame content, a frame address and the like of each received CAN message, determining a corresponding pile number according to the frame address, then taking out effective information of the frame content, storing an instruction frame into a command processing list, storing data content into a cache, and making corresponding feedback through a control flow function.
2. Information processing flow
The main control program extracts the command according to the command in the command list, stores the command into the command storage space, stores corresponding data according to the command, changes the setting of the corresponding sending frame correspondingly and sends a corresponding reply message.
3. Description of the load curves
The method mainly comprises the steps of uploading data of remote signaling and remote measurement, responding according to a command, particularly having a gradual change effect on output voltage and current in the state of load change such as charging starting, power regulation, charging ending and the like to match with a real charging process instead of unrealistic sudden rising and sudden falling of charging power, adopting a parabola for a specific regulation curve, sending a certain output power command, and adopting the parabola to slowly rise and slowly fall in the middle of a system according to target power to achieve the target power.
4. Output curve rendering
Two modes of exporting and drawing a curve can be selected for the stored data, when the curve is drawn, a program firstly fills the middle data according to the stored content to generate a new data list, and then a Python chart drawing library matplotlib is used for drawing a line graph of each item of stored data.
The above is the main flow, and the specific implementation process is as follows:
the first step is as follows: and the raspberry group is connected with the ZLGCAN box, and the CAN box is connected with the ordered charging terminal.
The second step is that: opening CAN box communication through a built-in library DecodeRanFrame, simultaneously simulating 8 piles and terminal sending remote signaling telemetry heartbeat frames and other periodic frames, filling parameters according to interface configuration information, and then starting to record data such as voltage, current, power and the like by using a dynamic variable intelligent storage technology.
The third step: and the interface selects the connection confirmation option to indicate that the vehicle is connected, and the terminal receives the connection confirmation setting to indicate that charging can be performed.
The fourth step: the method comprises the steps that a terminal issues charging starting one by one, loads are increased to set positions, the terminal can carry out power regulation instructions under the set loads, power control instructions are issued to piles, after a test system receives the corresponding power control instructions, the current can be changed, the parabolic gradual change is realized through regulation according to the set amount, if charging is carried out when a vehicle is in use, the load is distributed to a specified pile again by the orderly charging terminal, and the test system can record change information all the time.
The fifth step: after charging for a period of time, drawing a corresponding power current voltage curve by using a matplotlib library, filling data in the time interval of the intelligently stored data, wherein only the filling data of the intermediate data after charging is started and the adjustment and change is filled according to a simple parabolic formula, and the idle time is filled with constant data.
The testing system is based on raspberry groups, the system uses Raspbeans, a Python script running environment special for a simulation system is configured, a communication protocol of the ordered charging terminals and the charging control unit is used, the charging pile cluster with adjustable power is simulated, the content feedback ordered charging effect of a power curve and the like of each charging pile is displayed, the ordered charging terminals are tested through the testing system, most of the real charging conditions are simulated, the cost of testing manpower and material resources is reduced, and the visual display capability is provided for the algorithm of the ordered charging terminals.
In addition, message interaction is carried out by utilizing an external CAN box and an ordered charging control terminal, and the communication protocol between the charging pile and the terminal is the protocol between the ordered charging terminal and the power regulation charging pile; storing important data of each pile, such as current, voltage and power quantity, by adopting a dynamic variable data storage technology; the simulation of the complete charging process data of the charging pile can be realized, and the power regulation simulation can be carried out; the method can simulate the demand condition of ordered charging, can visually display the data of each pile of the ordered charging process data, draw the time change curve of the data, and reflect the ordered charging effect.
Accordingly, referring to fig. 5, a second aspect of the embodiments of the present invention provides an ordered charging control terminal testing system, including:
the charging control system comprises a data receiving module 1, a charging control module and a charging control module, wherein the data receiving module is used for receiving data messages of an ordered charging control terminal;
the data analysis module 2 is used for analyzing the data message and extracting an instruction frame and data content;
the instruction processing module 3 is used for setting the corresponding sending frame according to the power adjusting instruction in the instruction frame and sending the corresponding reply message;
and the curve drawing module 4 is used for drawing a test data curve according to the data content.
Further, referring to fig. 6, the data analysis module 2 includes:
a data parsing unit 21, configured to obtain a frame header, a frame content, and a frame address of the data packet;
the frame address analysis unit 22 is used for obtaining a corresponding charging pile number according to the frame address;
and a frame content analysis unit 23 for acquiring effective information of the frame content, storing the instruction frame into the command processing list, and storing the data content into the buffer.
Further, referring to fig. 7, the instruction processing module 3 includes:
an instruction extracting unit 31, configured to extract a power adjustment instruction in an instruction frame, and send the power adjustment instruction to a command storage list;
a data storage unit 32 for storing corresponding data content according to the power adjustment instruction in the command storage list;
and a setting processing unit 33 for performing setting processing on the corresponding transmission frame.
Further, the transmission type of the data packet includes: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
Further, referring to fig. 8, the setting processing unit 33 includes:
a first setting subunit 331, configured to apply timing setting to the periodic transmission frame;
a second setting subunit 332, configured to apply detection shift setting to the burst frame and the active transmission frame;
a third setting subunit 333, configured to set the reply frame with the received message command.
Further, referring to fig. 9, the curve plotting module 4 includes:
a data filling unit 41, configured to fill intermediate data in the data content to obtain a new data list;
and a curve drawing unit 42 for drawing a line graph according to the data list.
Further, the ordered charging terminal test system further comprises: and the data storage module 5 stores the data through a dynamic variable intelligent storage technology, completely stores the effective data, and stores the change value and the change time of the corresponding variable in the invalid data.
The testing system simulates communication between a charging pile cluster with adjustable power and a terminal, simulates a charging process and a charging state, records and stores various important charging data, and reflects the charging control capability and effect of the ordered charging terminal to a certain extent through visual feedback display; the method CAN be used for performing information intercommunication of CAN messages through CAN communication and an ordered charging control terminal based on a raspberry group, the raspberry group executes a script program, simultaneously simulates 8 devices and terminals to receive and send response messages according to a communication protocol of the control terminal and a charging control unit, completes an instruction according to message contents, reliably stores effective data by using an intelligent storage technology of dynamic variables in the process, then makes a charging power curve within a certain time according to data, and feeds back ordered charging effect and capacity.
The embodiment of the invention aims to protect a method and a system for testing an ordered charging control terminal, wherein the method comprises the following steps: receiving a data message of the ordered charging control terminal; analyzing the data message, and extracting an instruction frame and data content; setting the corresponding sending frame according to the power adjusting instruction in the instruction frame, and sending a corresponding reply message; and drawing a test data curve according to the data content. The technical scheme has the following effects:
the charging flow and the charging state are simulated by simulating the communication between the charging pile cluster and the terminal which can be adjusted in power, so that various important data records of charging are stored, and then the charging control capability and the charging control effect of the ordered charging terminal are reflected through visual feedback display.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (14)
1. A method for testing an ordered charging control terminal is characterized by comprising the following steps:
receiving a data message of the ordered charging control terminal;
analyzing the data message, and extracting an instruction frame and data content;
setting the corresponding sending frame according to the power adjusting instruction in the instruction frame, and sending a corresponding reply message;
and drawing a test data curve according to the data content.
2. The ordered charging control terminal test method according to claim 1, wherein the analyzing the data packet includes:
acquiring a frame header, frame content and a frame address of the data message;
obtaining a corresponding charging pile number according to the frame address;
and acquiring effective information of the frame content, storing the instruction frame into a command processing list, and storing the data content into a cache.
3. The ordered charging control terminal test method according to claim 1, wherein the setting the corresponding transmission frame according to the power adjustment instruction in the instruction frame includes:
extracting a power adjusting instruction in the instruction frame and sending the power adjusting instruction to a command storage list;
storing the corresponding data content according to the power regulation instruction in the command storage list;
and setting the corresponding sending frame.
4. The ordered charging control terminal test method according to claim 3,
the sending type of the data message comprises: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
5. The ordered charging control terminal test method according to claim 4, wherein the setting the corresponding transmission frame includes:
adopting timing setting to the periodic sending frame;
detecting position changing setting is adopted for the burst frame and the active sending frame;
and setting the reply frame by adopting a message receiving command.
6. The ordered charging control terminal test method according to claim 1, wherein the drawing a test data curve according to the data content includes:
filling intermediate data in the data content to obtain a new data list;
and drawing a line drawing according to the data list.
7. The ordered charging control terminal test method according to claim 1, further comprising, after extracting the instruction frame and the data content:
storing data through a dynamic variable intelligent storage technology;
the valid data is stored in its entirety,
and storing the change value and the change time of the corresponding variable in the invalid data.
8. An ordered charge terminal test system, comprising:
the data receiving module is used for receiving the data message of the ordered charging control terminal;
the data analysis module is used for analyzing the data message and extracting an instruction frame and data content;
the instruction processing module is used for setting the corresponding sending frame according to the power adjusting instruction in the instruction frame and sending the corresponding reply message;
and the curve drawing module is used for drawing a test data curve according to the data content.
9. The ordered charge terminal test system of claim 8, wherein the data analysis module comprises:
the data analysis unit is used for acquiring a frame header, frame content and a frame address of the data message;
the frame address analysis unit is used for obtaining a corresponding charging pile number according to the frame address;
and the frame content analysis unit is used for acquiring effective information of the frame content, storing the instruction frame into a command processing list and storing the data content into a cache.
10. The ordered charge terminal test system of claim 8, wherein the instruction processing module comprises:
the instruction extracting unit is used for extracting the power adjusting instruction in the instruction frame and sending the power adjusting instruction to a command storage list;
a data storage unit for storing the corresponding data content according to the power adjustment instruction in the command storage list;
and the setting processing unit is used for carrying out setting processing on the corresponding sending frame.
11. The ordered charge termination test system of claim 10,
the sending type of the data message comprises: a periodic transmit frame, a reply frame, a burst frame, or an active transmit frame.
12. The ordered charge terminal test system of claim 11, wherein the set processing unit comprises:
the first setting subunit is used for adopting timing setting on the periodic transmission frame;
a second setting subunit, configured to apply detection shift setting to the burst frame and the active transmission frame;
and the third setting subunit is used for setting the reply frame by adopting a message receiving command.
13. The ordered charge terminal test system of claim 8, wherein the curve plotting module comprises:
the data filling unit is used for filling intermediate data in the data content to obtain a new data list;
and the curve drawing unit is used for drawing a line graph according to the data list.
14. The ordered charge terminal test system of claim 8, further comprising: a data storage module for storing the data of the electronic device,
the data storage module stores data through a dynamic variable intelligent storage technology, completely stores effective data, and stores change values and change time of corresponding variables in invalid data.
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