Online control method and system based on direct current charging pile

Abstract

The invention discloses an online control method and system based on a direct-current charging pile, and relates to the technical field of charging pile management, and the method comprises the steps: building communication connection with the direct-current charging pile and charging equipment based on a control terminal, and obtaining an optimal communication channel; based on the optimal communication channel, the control terminal monitors the direct current charging pile and the charging equipment in real time; and based on the control terminal, data analysis is performed on the real-time state of the direct-current charging pile and the real-time state of the charging equipment, and the real-time state of the direct-current charging pile and the real-time state of the charging equipment are determined. The charging point protocols of the direct-current charging pile and the charging equipment are analyzed, the optimal communication channel is selected, the transmitted data have real-time performance, the control terminal analyzes the real-time data, the real-time states of the direct-current charging pile and the charging equipment are determined, regulation and control are conducted according to the real-time states of the direct-current charging pile and the charging equipment, and the real-time state of the direct-current charging pile and the charging equipment is controlled. The service life of the direct-current charging pile is prevented from being shortened due to over-high temperature, and the service life of the direct-current charging pile is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of charging pile management, and in particular to an online control method and system based on a direct current charging pile. Background Art

[0002] A charging pile refers to a charging device that provides charging services for electric vehicles.

[0003] Charging piles are mainly divided into floor-standing charging piles and wall-mounted charging piles, which mainly adopt the charging methods of time-based, electricity-metered, and amount-based. Charging piles can be fixed on the ground or on the wall, installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging piles are mainly public charging piles, which generally provide two charging methods: conventional charging and fast charging. People can use a specific charging card to swipe the card on the human-computer interaction interface provided by the charging pile to perform corresponding charging methods, charging time, and cost data printing. The charging pile display can display data such as charging amount, cost, and charging time.

[0004] The existing DC charging pile does not perform online regulation on the state of the DC charging pile during charging, which causes the DC charging pile to be overheated during charging. This reduces the charging power and shortens the life of the DC charging pile due to the overheated temperature. Summary of the invention

[0005] In order to solve the above technical problems, an online control method and system based on a DC charging pile are provided. The technical solution solves the problem that the existing DC charging pile proposed in the above background technology does not perform online regulation on the state of the DC charging pile during charging, resulting in the DC charging pile being too hot during charging, causing the charging power to decrease, and the life of the DC charging pile also being reduced due to the excessively high temperature.

[0006] In order to achieve the above purpose, the technical solution adopted by the present invention is: An online control method based on a DC charging pile, comprising: Based on the control terminal, establish communication connections with the DC charging pile and charging equipment respectively to obtain the optimal communication channel; Based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging equipment in real time, and obtains the real-time data of the DC charging pile and the charging equipment; Based on the control terminal, the real-time status of the DC charging pile and the real-time status of the charging equipment are analyzed to determine the real-time status of the DC charging pile and the real-time status of the charging equipment; Based on the real-time status of the DC charging pile and the charging equipment, the control terminal performs real-time regulation and control of the DC charging pile and the charging equipment.

[0007] Preferably, the control terminal is used to establish communication connections with the DC charging pile and the charging device respectively to obtain the optimal communication channel, which specifically includes the following steps: Based on the control terminal, the database system is read to obtain the charging point protocol of the DC charging pile; Based on the control terminal, the charging information of the order platform is read to obtain the charging point protocol of the charging equipment; Based on the charging point protocol of the DC charging pile and the charging point protocol of the charging device, the control terminal communicates with the DC charging pile and the charging device respectively to obtain multiple groups of communication channels; Based on multiple groups of communication channels, the control terminal selects channels for DC charging piles and charging equipment respectively to determine the optimal communication channel.

[0008] Preferably, based on the multiple groups of communication channels, the control terminal selects channels for the DC charging pile and the charging device respectively, and determining the optimal communication channel specifically includes the following steps: The control terminal sends test data to the DC charging pile and the charging device through each group of communication channels, and obtains the integrity of multiple groups of data and the arrival time of multiple groups of data corresponding to the integrity of the multiple groups of data; Based on the control terminal, the integrity of multiple sets of data is judged and processed to obtain the integrity of multiple sets of standard data; Based on the arrival time of multiple sets of data, the integrity of multiple sets of standard data is screened and processed to obtain the optimal communication channel.

[0009] Preferably, the process of judging and processing the integrity of multiple sets of data based on the control terminal to obtain the integrity of multiple sets of standard data specifically includes the following steps: Based on the control terminal, the integrity of the plurality of sets of data is judged and processed and a first threshold is set; If the data integrity is greater than or equal to the set first threshold, obtaining multiple sets of standard data integrity; If the data integrity is less than the set first threshold, the data integrity that does not meet the standard is deleted.

[0010] Preferably, the method of screening and processing the integrity of multiple sets of standard data based on the arrival time of multiple sets of data to obtain the optimal communication channel specifically includes the following steps: Based on the control terminal, compare and judge the arrival time of multiple sets of data to obtain the minimum data arrival time; Analyze and process the minimum data arrival time to obtain the standard data integrity corresponding to the minimum data arrival time; The communication channel of the standard data integrity corresponding to the minimum data arrival time is set as the optimal communication channel; The specific calculation formula for obtaining the minimum data arrival time is: in, is the minimum data arrival time; is the arrival time of multiple sets of data; is the number of data arrival times.

[0011] Preferably, based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging device in real time respectively, and obtains the real-time data of the DC charging pile and the real-time data of the charging device, specifically including the following steps: Based on the optimal communication channel, the control terminal sends data reading instructions to the DC charging pile and the charging device respectively; Monitor the DC charging pile and charging equipment in real time through sensors and smart devices, and obtain real-time data of the DC charging pile and charging equipment; Based on the optimal communication channel, the DC charging pile and the charging device send the real-time data of the DC charging pile and the real-time data of the charging device to the control terminal respectively.

[0012] Preferably, the control terminal is used to analyze the real-time status of the DC charging pile and the real-time status of the charging device, respectively, to determine the real-time status of the DC charging pile and the real-time status of the charging device, and specifically includes the following steps: Based on the control terminal, the real-time status of the DC charging pile and the real-time status of the charging equipment are analyzed to obtain the output power and real-time temperature of the DC charging pile and the input power and real-time temperature of the charging equipment; Based on the control terminal, the output power of the DC charging pile and the input power of the charging device are calculated and processed to obtain the power loss offset; Based on the control terminal, the power loss offset is judged and processed to obtain the first real-time state of the DC charging pile; Based on the control terminal, the real-time temperature of the DC charging pile and the real-time temperature of the charging device are judged and processed respectively to obtain the second real-time state of the DC charging pile and the first real-time state of the charging device; The method of judging and processing the real-time temperature of the DC charging pile and the real-time temperature of the charging device based on the control terminal to obtain the second real-time state of the DC charging pile and the first real-time state of the charging device specifically includes the following steps: Based on the control terminal, the real-time temperature of the DC charging pile and the set second threshold are judged and processed; If the real-time temperature of the DC charging pile is greater than the set second threshold value, the charging temperature of the DC charging pile is too high, and the second real-time state of the DC charging pile is output; If the real-time temperature of the DC charging pile is less than or equal to the set second threshold, the charging temperature of the DC charging pile is normal; Based on the control terminal, the real-time temperature of the charging device and the set third threshold value are judged and processed; If the real-time temperature of the charging device is greater than the set third threshold, the charging temperature of the charging device is too high, and the first real-time state of the charging device is output; If the real-time temperature of the charging device is less than or equal to the set third threshold, the charging temperature of the charging device is normal.

[0013] Preferably, the process of determining the power loss offset based on the control terminal to obtain the first real-time state of the DC charging pile specifically includes the following steps: Based on the database system, data is read and processed to obtain factory specification parameters of the DC charging pile; Analyze and process the factory specifications of the DC charging pile to obtain the power loss reference standard; Perform judgment based on power loss offset and power loss reference standard; If the power loss offset is greater than the power loss reference standard, the charging gun of the DC charging pile has abnormal loss, and the first real-time status of the DC charging pile is output; If the power loss offset is less than or equal to the power loss reference standard, the DC charging pile charges normally.

[0014] Preferably, the controlling terminal performs real-time regulation and control on the DC charging pile and the charging device based on the real-time status of the DC charging pile and the charging device specifically comprises the following steps: If the real-time state of the DC charging pile is the first real-time state of the DC charging pile, the control terminal records the number of the DC charging pile, and after the charging device is charged, replaces the charging gun according to the number of the DC charging pile; If the real-time state of the DC charging pile is the second real-time state of the DC charging pile, the DC charging pile stops charging, and the temperature of the DC charging pile is monitored in real time. When the temperature of the DC charging pile is lower than the set second threshold, the DC charging pile resumes charging. If the real-time status of the charging device is the first real-time status of the charging device, the DC charging pile stops charging and monitors the temperature of the charging device in real time. When the temperature of the charging device is lower than the set third threshold, the DC charging pile resumes charging.

[0015] Furthermore, an online control system based on a DC charging pile is proposed, which is used to implement the online control method based on a DC charging pile as described above, including: A control terminal, which is used to control information exchange and data transmission between modules; A DC charging pile, which is used to charge the charging device; Sensors and smart devices, which are used to monitor DC charging piles and charging equipment in real time and obtain real-time data of DC charging piles and charging equipment; A database system, the database system is used to store factory specification parameters of DC charging piles; The control terminal internally integrates: A control unit, which is used to control and analyze each module and each unit and select the state of the DC charging pile; A communication unit, which is used to realize data transmission between various modules; A data analysis unit, the data analysis unit is used to analyze the real-time data of the DC charging pile and the real-time data of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A comparison and judgment unit, wherein the comparison and judgment unit performs judgment processing according to the integrity of multiple sets of data and the arrival time of multiple sets of data corresponding to the integrity of multiple sets of data to obtain an optimal communication channel, and the comparison and judgment unit performs judgment processing according to the output power of the DC charging pile, the real-time temperature of the DC charging pile, the input power of the charging device, and the real-time temperature of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A data calculation unit is used to calculate the power loss offset according to the output power of the DC charging pile and the input power of the charging device.

[0016] Compared with the prior art, the present invention provides an online control method and system based on a DC charging pile, which has the following beneficial effects: The present invention analyzes the charging point protocol of the DC charging pile and the charging device, selects the optimal communication channel, makes the transmitted data real-time, controls the terminal to analyze the real-time data, determines the real-time status of the DC charging pile and the charging device, and performs regulation according to the real-time status of the DC charging pile and the charging device, thereby avoiding the reduction of the life of the DC charging pile due to excessive temperature and extending the life of the DC charging pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic flow chart of steps S100-S400 in an online control method based on a DC charging pile proposed by the present invention; Figure 2 This is a flow chart of steps S101-S104 in an online control method based on a DC charging pile proposed by the present invention; Figure 3 This is a flow chart of steps S1041-S1043 in an online control method based on a DC charging pile proposed by the present invention; Figure 4This is a flow chart of steps S10421-S10423 in an online control method based on a DC charging pile proposed by the present invention; Figure 5 This is a flow chart of steps S10431-S10433 in an online control method based on a DC charging pile proposed by the present invention; Figure 6 This is a flow chart of steps S201-S203 in an online control method based on a DC charging pile proposed by the present invention; Figure 7 This is a flow chart of steps S301-S304 in an online control method based on a DC charging pile proposed by the present invention; Figure 8 This is a flow chart of steps S3031-S3035 in an online control method based on a DC charging pile proposed by the present invention; Fig. 9 This is a flow chart of steps S3041-S3046 in an online control method based on a DC charging pile proposed by the present invention; Fig.10 This is a flow chart of steps S401-S403 in an online control method based on a DC charging pile proposed by the present invention; Fig.11 This is a structural block diagram of an online control system based on a DC charging pile proposed by the present invention. DETAILED DESCRIPTION

[0018] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0019] Reference Figure 1 As shown, an online control method based on a DC charging pile includes: S100: Based on the control terminal, establish communication connections with the DC charging pile and the charging device respectively to obtain an optimal communication channel; S200: Based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging device in real time, respectively, and obtains the real-time data of the DC charging pile and the real-time data of the charging device; S300: Based on the control terminal, respectively analyze the real-time status of the DC charging pile and the real-time status of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; S400, based on the real-time status of the DC charging pile and the real-time status of the charging device, the control terminal performs real-time regulation and control on the DC charging pile and the charging device; It is understandable to those skilled in the art that data missing or data anomalies may occur during the transmission of the real-time data of the DC charging pile and the real-time data of the charging device. Therefore, by analyzing the charging point protocol of the DC charging pile and the charging point protocol of the charging device and selecting the optimal communication channel, data missing and data anomalies may be avoided during the transmission of the real-time data of the DC charging pile and the real-time data of the charging device. Then, the control terminal determines the real-time status of the DC charging pile and the real-time status of the charging device by analyzing the real-time data of the DC charging pile and the real-time data of the charging device. The control terminal controls the DC charging pile online according to the real-time status of the DC charging pile and the real-time status of the charging device, thereby avoiding a decrease in the service life of the DC charging pile due to excessively high charging temperature and extending the service life of the DC charging pile.

[0020] Reference Figure 2 As shown, based on the control terminal, establishing communication connections with the DC charging pile and the charging device respectively, obtaining the optimal communication channel specifically includes the following steps: S101, based on the control terminal, reading data from the database system to obtain the charging point protocol of the DC charging pile; S102: Based on the control terminal, the charging information of the order platform is read to obtain the charging point protocol of the charging device; S103, based on the charging point protocol of the DC charging pile and the charging point protocol of the charging device, the control terminal is respectively connected to the DC charging pile and the charging device to obtain multiple groups of communication channels; S104: Based on the multiple groups of communication channels, the control terminal selects channels for the DC charging pile and the charging device respectively to determine the optimal communication channel.

[0021] Reference Figure 3 As shown, based on multiple groups of communication channels, the control terminal selects channels for the DC charging pile and the charging device respectively, and determining the optimal communication channel specifically includes the following steps: S1041. The control terminal sends test data to the DC charging pile and the charging device through each group of communication channels, respectively, to obtain the integrity of multiple groups of data and the arrival time of multiple groups of data corresponding to the integrity of the multiple groups of data; S1042, based on the control terminal, judging and processing the integrity of multiple sets of data to obtain the integrity of multiple sets of standard data; S1043, based on the arrival time of the multiple sets of data, screening and processing the integrity of the multiple sets of standard data to obtain the optimal communication channel; In this embodiment, in order to select the optimal communication channel, the control terminal transmits data to each communication channel, obtains multiple sets of data completeness and multiple sets of data arrival times corresponding to the multiple sets of data completeness, compares the multiple sets of data completeness, screens out the data completeness that meets the standards, and then screens from the multiple sets of data arrival times to select the minimum data arrival time, and uses the communication channel corresponding to the minimum data arrival time and the data completeness that meets the standards as the optimal communication channel.

[0022] Reference Figure 4 As shown, based on the control terminal, the integrity of multiple sets of data is judged and processed, and the integrity of multiple sets of standard data is obtained, which specifically includes the following steps: S10421. Based on the control terminal, determine the integrity of multiple groups of data and set a first threshold; S10422. If the data integrity is greater than or equal to the set first threshold, obtain multiple sets of standard data integrity; S10423. If the data integrity is less than the set first threshold, delete the data integrity that does not meet the standard.

[0023] Reference Figure 5 As shown, based on the arrival time of multiple sets of data, multiple sets of standard data integrity are screened and processed to obtain the optimal communication channel, which specifically includes the following steps: S10431. Based on the control terminal, compare and judge the arrival times of multiple groups of data to obtain the minimum data arrival time; S10432. Analyze and process the minimum data arrival time to obtain the standard data integrity corresponding to the minimum data arrival time; S10433, setting the communication channel of the standard data integrity corresponding to the minimum data arrival time as the optimal communication channel; The specific calculation formula for obtaining the minimum data arrival time is: in, is the minimum data arrival time; is the arrival time of multiple sets of data; is the number of data arrival times; In this embodiment, the data transmitted by the multiple groups of standard data integrity are all complete data. However, due to the different communication channels, the data arrival times are different. Therefore, the communication channel corresponding to the minimum data arrival time is the optimal communication channel.

[0024] Reference Figure 6 As shown, based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging device in real time, and obtaining the real-time data of the DC charging pile and the real-time data of the charging device specifically includes the following steps: S201, based on the optimal communication channel, the control terminal sends a data reading instruction to the DC charging pile and the charging device respectively; S202, monitor the DC charging pile and the charging equipment in real time through sensors and smart devices, respectively, to obtain real-time data of the DC charging pile and the charging equipment; S203: Based on the optimal communication channel, the DC charging pile and the charging device send the DC charging pile real-time data and the charging device real-time data to the control terminal respectively.

[0025] Reference Figure 7 As shown, based on the control terminal, the real-time status of the DC charging pile and the real-time status of the charging device are analyzed respectively, and the real-time status of the DC charging pile and the real-time status of the charging device are determined, which specifically includes the following steps: S301. Based on the control terminal, respectively analyze the real-time status of the DC charging pile and the real-time status of the charging device to obtain the output power of the DC charging pile, the real-time temperature of the DC charging pile, the input power of the charging device, and the real-time temperature of the charging device; S302: Based on the control terminal, the output power of the DC charging pile and the input power of the charging device are calculated and processed to obtain a power loss offset; S303: Based on the control terminal, determine and process the power loss offset to obtain a first real-time state of the DC charging pile; S304: Based on the control terminal, the real-time temperature of the DC charging pile and the real-time temperature of the charging device are judged and processed respectively to obtain the second real-time state of the DC charging pile and the first real-time state of the charging device.

[0026] Reference Figure 8 As shown, based on the control terminal, the power loss offset is judged and processed to obtain the first real-time state of the DC charging pile, which specifically includes the following steps: S3031. Based on the database system, read and process the data of the database system to obtain the factory specification parameters of the DC charging pile; S3032. Analyze and process the factory specification parameters of the DC charging pile to obtain a power loss reference standard; S3033, performing judgment processing based on the power loss offset and the power loss reference standard; S3034: If the power loss offset is greater than the power loss reference standard, the charging gun of the DC charging pile has abnormal loss, and the first real-time state of the DC charging pile is output; S3035: If the power loss offset is less than or equal to the power loss reference standard, the DC charging pile charges normally.

[0027] Reference Fig. 9As shown, based on the control terminal, the real-time temperature of the DC charging pile and the real-time temperature of the charging device are judged and processed respectively, and the second real-time state of the DC charging pile and the first real-time state of the charging device are obtained, which specifically includes the following steps: S3041. Based on the control terminal, determine the real-time temperature of the DC charging pile and set a second threshold value; S3042: If the real-time temperature of the DC charging pile is greater than the set second threshold, the charging temperature of the DC charging pile is too high, and the second real-time state of the DC charging pile is output; S3043: If the real-time temperature of the DC charging pile is less than or equal to the set second threshold, the charging temperature of the DC charging pile is normal; S3044: Based on the control terminal, determine the real-time temperature of the charging device and set a third threshold; S3045: If the real-time temperature of the charging device is greater than the set third threshold, the charging temperature of the charging device is too high, and the first real-time state of the charging device is output; S3046: If the real-time temperature of the charging device is less than or equal to the set third threshold, the charging temperature of the charging device is normal.

[0028] Reference Fig.10 As shown, based on the real-time status of the DC charging pile and the real-time status of the charging device, the control terminal performs real-time regulation and control on the DC charging pile and the charging device, specifically including the following steps: S401. If the real-time state of the DC charging pile is the first real-time state of the DC charging pile, the control terminal records the number of the DC charging pile, and after the charging device is charged, replaces the charging gun according to the number of the DC charging pile; S402: If the real-time state of the DC charging pile is the second real-time state of the DC charging pile, the DC charging pile stops charging, and the temperature of the DC charging pile is monitored in real time. When the temperature of the DC charging pile is less than the set second threshold, the DC charging pile resumes charging. S403: If the real-time state of the charging device is the first real-time state of the charging device, the DC charging pile stops charging, and the temperature of the charging device is monitored in real time. When the temperature of the charging device is lower than a set third threshold, the DC charging pile resumes charging. In this embodiment, the power loss offset of the charging gun of the DC charging pile is obtained by analyzing the output power of the DC charging pile, the real-time temperature of the DC charging pile, the input power of the charging device, and the real-time temperature of the charging device. Then, a comparison is made based on the factory specification parameters of the DC charging pile to determine whether there is an abnormality in the charging gun of the DC charging pile. If there is an abnormality, the number of the DC charging pile is recorded. After the charging device is charged, the charging gun is replaced based on the number of the DC charging pile. In addition, the temperature of the DC charging pile and the temperature of the charging device are analyzed. When the temperature is too high, the DC charging pile suspends charging to avoid a decrease in the service life of the DC charging pile due to excessively high temperature, thereby extending the service life of the DC charging pile.

[0029] Reference Fig.11 As shown, an online control system based on a DC charging pile is used to implement an online control method based on a DC charging pile as described above, including: A control terminal, which is used to control information exchange and data transmission between modules; A DC charging pile, which is used to charge the charging device; Sensors and smart devices, which are used to monitor DC charging piles and charging equipment in real time and obtain real-time data of DC charging piles and charging equipment; A database system, the database system is used to store factory specification parameters of DC charging piles; The control terminal internally integrates: A control unit, which is used to control and analyze each module and each unit and select the state of the DC charging pile; A communication unit, which is used to realize data transmission between various modules; A data analysis unit, the data analysis unit is used to analyze the real-time data of the DC charging pile and the real-time data of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A comparison and judgment unit, wherein the comparison and judgment unit performs judgment processing according to the integrity of multiple sets of data and the arrival time of multiple sets of data corresponding to the integrity of multiple sets of data to obtain an optimal communication channel, and the comparison and judgment unit performs judgment processing according to the output power of the DC charging pile, the real-time temperature of the DC charging pile, the input power of the charging device, and the real-time temperature of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A data calculation unit is used to calculate the power loss offset according to the output power of the DC charging pile and the input power of the charging device.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An online control method based on a DC charging pile, characterized in that: include: Based on the control terminal, establish communication connections with the DC charging pile and charging equipment respectively to obtain the optimal communication channel; Based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging equipment in real time, and obtains the real-time data of the DC charging pile and the charging equipment; Based on the control terminal, the real-time status of the DC charging pile and the real-time status of the charging equipment are analyzed to determine the real-time status of the DC charging pile and the real-time status of the charging equipment; Based on the real-time status of the DC charging pile and the charging equipment, the control terminal performs real-time regulation and control of the DC charging pile and the charging equipment.

2. The online control method based on a DC charging pile according to claim 1 is characterized in that: The control terminal establishes communication connections with the DC charging pile and the charging device respectively to obtain the optimal communication channel, which specifically includes the following steps: Based on the control terminal, the database system is read to obtain the charging point protocol of the DC charging pile; Based on the control terminal, the charging information of the order platform is read to obtain the charging point protocol of the charging equipment; Based on the charging point protocol of the DC charging pile and the charging point protocol of the charging device, the control terminal communicates with the DC charging pile and the charging device respectively to obtain multiple groups of communication channels; Based on multiple groups of communication channels, the control terminal selects channels for DC charging piles and charging equipment respectively to determine the optimal communication channel.

3. The online control method based on a DC charging pile according to claim 2 is characterized in that: Based on the multiple groups of communication channels, the control terminal selects channels for the DC charging pile and the charging device respectively, and determines the optimal communication channel, which specifically includes the following steps: The control terminal sends test data to the DC charging pile and the charging device through each group of communication channels, and obtains the integrity of multiple groups of data and the arrival time of multiple groups of data corresponding to the integrity of the multiple groups of data; Based on the control terminal, the integrity of multiple sets of data is judged and processed to obtain the integrity of multiple sets of standard data; Based on the arrival time of multiple sets of data, the integrity of multiple sets of standard data is screened and processed to obtain the optimal communication channel.

4. The online control method based on a DC charging pile according to claim 3 is characterized in that: The method of judging and processing the integrity of multiple sets of data based on the control terminal to obtain the integrity of multiple sets of standard data specifically includes the following steps: Based on the control terminal, the integrity of the plurality of sets of data is judged and processed and a first threshold is set; If the data integrity is greater than or equal to the set first threshold, obtaining multiple sets of standard data integrity; If the data integrity is less than the set first threshold, the data integrity that does not meet the standard is deleted.

5. The online control method based on a DC charging pile according to claim 3 is characterized in that: The method of screening and processing the integrity of multiple sets of standard data based on the arrival time of multiple sets of data to obtain the optimal communication channel specifically includes the following steps: Based on the control terminal, compare and judge the arrival time of multiple sets of data to obtain the minimum data arrival time; Analyze and process the minimum data arrival time to obtain the standard data integrity corresponding to the minimum data arrival time; The communication channel of the standard data integrity corresponding to the minimum data arrival time is set as the optimal communication channel; The specific calculation formula for obtaining the minimum data arrival time is: in, is the minimum data arrival time; is the arrival time of multiple sets of data; is the number of data arrival times.

6. The online control method based on a DC charging pile according to claim 1, characterized in that: Based on the optimal communication channel, the control terminal monitors the DC charging pile and the charging device in real time, and obtains the real-time data of the DC charging pile and the real-time data of the charging device, which specifically includes the following steps: Based on the optimal communication channel, the control terminal sends data reading instructions to the DC charging pile and the charging device respectively; Monitor the DC charging pile and charging equipment in real time through sensors and smart devices, and obtain real-time data of the DC charging pile and charging equipment; Based on the optimal communication channel, the DC charging pile and the charging device send the real-time data of the DC charging pile and the real-time data of the charging device to the control terminal respectively.

7. The online control method based on a DC charging pile according to claim 1, characterized in that: The method of performing data analysis on the real-time status of the DC charging pile and the real-time status of the charging device based on the control terminal to determine the real-time status of the DC charging pile and the real-time status of the charging device specifically includes the following steps: Based on the control terminal, the real-time status of the DC charging pile and the real-time status of the charging equipment are analyzed to obtain the output power and real-time temperature of the DC charging pile and the input power and real-time temperature of the charging equipment; Based on the control terminal, the output power of the DC charging pile and the input power of the charging device are calculated and processed to obtain the power loss offset; Based on the control terminal, the power loss offset is judged and processed to obtain the first real-time state of the DC charging pile; Based on the control terminal, the real-time temperature of the DC charging pile and the real-time temperature of the charging device are judged and processed respectively to obtain the second real-time state of the DC charging pile and the first real-time state of the charging device; The method of judging and processing the real-time temperature of the DC charging pile and the real-time temperature of the charging device based on the control terminal to obtain the second real-time state of the DC charging pile and the first real-time state of the charging device specifically includes the following steps: Based on the control terminal, the real-time temperature of the DC charging pile and the set second threshold are judged and processed; If the real-time temperature of the DC charging pile is greater than the set second threshold value, the charging temperature of the DC charging pile is too high, and the second real-time state of the DC charging pile is output; If the real-time temperature of the DC charging pile is less than or equal to the set second threshold, the charging temperature of the DC charging pile is normal; Based on the control terminal, the real-time temperature of the charging device and the set third threshold value are judged and processed; If the real-time temperature of the charging device is greater than the set third threshold, the charging temperature of the charging device is too high, and the first real-time state of the charging device is output; If the real-time temperature of the charging device is less than or equal to the set third threshold, the charging temperature of the charging device is normal.

8. The online control method based on a DC charging pile according to claim 7, characterized in that: The method of determining and processing the power loss offset based on the control terminal to obtain the first real-time state of the DC charging pile specifically includes the following steps: Based on the database system, data is read and processed to obtain factory specification parameters of the DC charging pile; Analyze and process the factory specifications of the DC charging pile to obtain the power loss reference standard; Perform judgment based on power loss offset and power loss reference standard; If the power loss offset is greater than the power loss reference standard, the charging gun of the DC charging pile has abnormal loss, and the first real-time status of the DC charging pile is output; If the power loss offset is less than or equal to the power loss reference standard, the DC charging pile charges normally.

9. The online control method based on a DC charging pile according to claim 1, characterized in that: The control terminal performs real-time regulation and control of the DC charging pile and the charging device based on the real-time status of the DC charging pile and the charging device specifically includes the following steps: If the real-time state of the DC charging pile is the first real-time state of the DC charging pile, the control terminal records the number of the DC charging pile, and after the charging device is charged, replaces the charging gun according to the number of the DC charging pile; If the real-time state of the DC charging pile is the second real-time state of the DC charging pile, the DC charging pile stops charging, and the temperature of the DC charging pile is monitored in real time. When the temperature of the DC charging pile is lower than the set second threshold, the DC charging pile resumes charging. If the real-time status of the charging device is the first real-time status of the charging device, the DC charging pile stops charging and monitors the temperature of the charging device in real time. When the temperature of the charging device is lower than the set third threshold, the DC charging pile resumes charging.

10. An online control system based on a DC charging pile, used to implement an online control method based on a DC charging pile as described in any one of claims 1 to 9, characterized in that: include: A control terminal, which is used to control information exchange and data transmission between modules; A DC charging pile, which is used to charge the charging device; Sensors and smart devices, which are used to monitor DC charging piles and charging equipment in real time and obtain real-time data of DC charging piles and charging equipment; A database system, the database system is used to store factory specification parameters of DC charging piles; The control terminal internally integrates: A control unit, which is used to control and analyze each module and each unit and select the state of the DC charging pile; A communication unit, which is used to realize data transmission between various modules; A data analysis unit, the data analysis unit is used to analyze the real-time data of the DC charging pile and the real-time data of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A comparison and judgment unit, wherein the comparison and judgment unit performs judgment processing according to the integrity of multiple sets of data and the arrival time of multiple sets of data corresponding to the integrity of multiple sets of data to obtain an optimal communication channel, and the comparison and judgment unit performs judgment processing according to the output power of the DC charging pile, the real-time temperature of the DC charging pile, the input power of the charging device, and the real-time temperature of the charging device to determine the real-time status of the DC charging pile and the real-time status of the charging device; A data calculation unit is used to calculate the power loss offset according to the output power of the DC charging pile and the input power of the charging device.

Images