CN115416531B - Charging control system of super capacitor charging station - Google Patents
Charging control system of super capacitor charging station Download PDFInfo
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- CN115416531B CN115416531B CN202211381594.6A CN202211381594A CN115416531B CN 115416531 B CN115416531 B CN 115416531B CN 202211381594 A CN202211381594 A CN 202211381594A CN 115416531 B CN115416531 B CN 115416531B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a charging control system of a super capacitor charging station, which relates to the technical field of charging control and solves the technical problems that the output voltage values of each group of capacitors are different, if charging processing is carried out according to the voltage parameters of a power supply, the voltage is possibly higher or lower.
Description
Technical Field
The invention belongs to the technical field of charging control, and particularly relates to a charging control system of a super capacitor charging station.
Background
Compared with a battery adopting an electrochemical principle, the super capacitor has the characteristics of short charging time, long service life, good temperature characteristic, energy conservation, environmental protection and the like because the charging and discharging processes of the super capacitor completely do not involve the change of substances, has wide application, is used as a power balance power supply of a hoisting device, and can provide power with super current; the super-capacitor charging station is used as a vehicle starting power supply, has higher starting efficiency and reliability than the traditional storage battery, can completely or partially replace the traditional storage battery, and is gradually normalized along with the development of times.
The invention with the patent number of CN115107550A relates to the technical field of energy storage charging, in particular to a charging control system of an energy storage charging station and a control method thereof, wherein the control system comprises N charging terminals, an energy controller, a charging cabinet, an inverter, a transformer and an energy storage battery, the charging cabinet is respectively and electrically connected with the N charging terminals, the energy controller, the inverter and the transformer, and the energy storage battery is electrically connected with the inverter; the control system comprises the energy controller, the inverter, the transformer, the energy storage battery and the like, so that when a vehicle is charged, the energy controller can select different charging modes to charge according to the charging power requirement of the vehicle so as to meet the charging power, the charging efficiency is improved, meanwhile, the peak energy supplement is carried out by supplementing the power through the energy storage, the current power resource can be used for box transformer substation power distribution, and meanwhile, the charging requirements of a plurality of vehicles in a peak period are met.
Compared with a conventional charging station, the charging rate of the super-capacitor charging station is high, but the super-capacitor charging station is easy to fluctuate in the specific charging process, so that the charging duration is influenced, the output voltage values of each group of capacitors are different due to possible deviation of the manufacturing process of each group of capacitors, if the charging process is performed according to the voltage parameters of a power supply, the voltage is possibly higher or lower, and the charging efficiency in the whole charging process is not high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art; therefore, the invention provides a charging control system of a super capacitor charging station, which is used for solving the technical problem that if the output voltage values of each group of capacitors are different, if charging processing is carried out according to the voltage parameters of a power supply, the voltage may be higher or lower.
In order to achieve the above object, according to an embodiment of the first aspect of the present invention, a charging control system for a super capacitor charging station is provided, including a power data acquisition end, a capacitor data acquisition end, and a regulation and control terminal;
the regulation and control terminal comprises a capacitor classification processing unit, a data extraction unit, a capacitor matching unit, a peak value selection unit and a charging parameter monitoring unit;
the power data acquisition terminal is used for acquiring power parameters of a power supply to be charged and transmitting the acquired power parameters to the regulation and control terminal;
the capacitance data acquisition end is used for acquiring single super-capacitance data of the capacitance module in the charging station and transmitting the acquired single super-capacitance data to the regulation and control terminal;
the capacitor classification processing unit in the regulation terminal classifies different super capacitors according to the collected data of the single super capacitor, wherein the data of the super capacitor comprises the output voltage data of the single super capacitor;
the data extraction unit is used for acquiring adaptive voltage data of the power supply according to the received power supply parameters and transmitting the adaptive voltage data to the capacitor matching unit according to the acquired adaptive voltage data interval;
the capacitor matching unit selects a proper super capacitor for voltage supply according to the adaptive voltage data interval of the power supply so as to ensure that the voltage output by the super capacitor module conforms to the adaptive voltage data interval;
the peak value selecting unit extracts monitoring data from the charging parameter monitoring unit, determines a group of monitoring peak values according to gradual improvement of the monitoring data, and confirms the adding number of the super capacitors in the low-voltage capacitor module according to the determined monitoring peak values so that the power supply is in a high-efficiency charging state.
Preferably, the capacitor classification processing unit performs classification processing on different super capacitors in a specific manner:
marking output voltage data of a plurality of super capacitors in a form of DYi, wherein i represents different super capacitors;
sequentially comparing the voltage data DYi with preset parameters X1 and X2, wherein both X1 and X2 are preset values, the specific value range is drawn up by an operator according to experience, generally X1 takes a value of 0.95V, and X2 takes a value of 1.15V;
when DYi is less than X1, the super capacitor is marked as a low-voltage capacitor module;
when X1 is not less than DYi and less than X2, marking the super capacitor as a normal capacitor module;
when DYi is larger than or equal to X2, the super capacitor is marked as a high-voltage capacitor module.
Preferably, the specific way of selecting the capacitance matching unit is as follows:
s1, obtaining voltage mean values V1 of a plurality of high-voltage capacitors, and then obtaining voltage mean values V2 of a plurality of normal capacitors;
s2, extracting a voltage minimum value Vmin and a power supply maximum value Vmax from the adaptive voltage data interval;
s3, adopt
Obtaining a matching parameter GS, and carrying out rounding processing on the matching parameter GS to eliminate a numerical value behind a decimal point;
and S4, sequentially selecting the super capacitors with the numerical values of GS from the normal capacitor module and the high-voltage capacitor module to perform voltage supply processing according to the matching parameters GS, performing charging processing on the specified power supply, sequentially selecting the super capacitors from the low-voltage capacitor module by the capacitor matching unit, adding the selected super capacitors into the row and column of the voltage supply capacitor module, and monitoring real-time charging data in real time by the charging parameter monitoring unit.
Preferably, the specific way of selecting the monitoring peak value by the peak value selecting unit is as follows:
extracting a current parameter for charging the specified power supply from the step S4, taking the current parameter as an initial current value, and marking the current parameter as DL0;
sequentially adding corresponding super capacitors from a low-voltage capacitor module, wherein the number of the super capacitors added each time is limited to one, recording charging current parameters after each addition, and marking the parameters as DL1, DL2, 8230, 8230and DLn, wherein n represents the number of the super capacitors added;
selecting a maximum value DLj from a plurality of charging current parameters DLn, wherein j belongs to n, then obtaining series voltage parameters Vj of j super capacitors, and adopting
V1 is the voltage average value of a plurality of high-voltage capacitors, and V2 is the voltage average value of a plurality of normal capacitors, so that the power supply voltage parameter GDV of the whole super capacitor module at the moment is obtained;
comparing the GDV with the maximum value Vmax of the power supply, when the GDV is not more than the Vmax, not performing any processing, otherwise generating an adjusting signal, and adjusting the power supply voltage parameter GDV to enable the GDV to be adjusted to a value which is the same as the Vmax;
and determining a power supply voltage parameter GDV, determining a super capacitor for supplying power, and supplying power to a specified power supply so as to improve the power supply efficiency.
Compared with the prior art, the invention has the beneficial effects that: the adaptive voltage data of a power supply to be charged are obtained in advance, the output voltage data of a capacitor module in a charging station is analyzed, a plurality of super capacitors in the capacitor module are classified in sequence and are classified into a low-voltage capacitor module, a normal capacitor module and a high-voltage capacitor module, corresponding super capacitors are extracted from the normal capacitor module and the high-voltage capacitor module according to the adaptive voltage data to supply power, in the power supply process, corresponding super capacitors are extracted from the low-voltage capacitor module in sequence and are added into a power supply module row and column, the power supply current value of the time period is obtained, the maximum current value is obtained, the number of the super capacitors in the power supply module row and column is determined, the power supply is in a high-efficiency charging state, the charging effect of the power supply is improved, the charging duration is shortened, and meanwhile, the optimal voltage parameters can be used for charging the power supply according to different power supply parameters.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
The technical solutions of the present invention will be described below clearly and completely in conjunction with the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present application provides a charging control system for a super capacitor charging station, which includes a power data acquisition end, a capacitor data acquisition end, and a regulation and control terminal;
the output end of the power data acquisition end is electrically connected with the input end of the regulation terminal, and the output end of the capacitance data acquisition end is electrically connected with the input end of the regulation terminal;
the regulation and control terminal comprises a capacitor classification processing unit, a data extraction unit, a capacitor matching unit, a peak value selection unit and a charging parameter monitoring unit;
the output end of the capacitor classification processing unit is electrically connected with the input end of the capacitor matching unit, the data extraction unit is electrically connected with the input end of the capacitor matching unit, the capacitor matching unit is electrically connected with the input end of the peak value selection unit, and the peak value selection unit is in bidirectional connection with the charging parameter monitoring unit;
the power supply data acquisition terminal is used for acquiring power supply parameters of a power supply to be charged and transmitting the acquired power supply parameters to the regulation and control terminal;
the capacitance data acquisition end is used for acquiring single super-capacitance data of a capacitance module in the charging station and transmitting the acquired single super-capacitance data to the regulation and control terminal;
the capacitor classification processing unit in the regulation terminal classifies different super capacitors according to the collected single super capacitor data, wherein the super capacitor data comprises output voltage data of the single super capacitor, and the specific mode of the specific classification processing is as follows:
marking output voltage data of a plurality of super capacitors in a form of DYi, wherein i represents different super capacitors;
sequentially comparing the voltage data DYi with preset parameters X1 and X2, wherein both X1 and X2 are preset values, the specific value range is drawn up by an operator according to experience, generally X1 takes a value of 0.95V, and X2 takes a value of 1.15V;
when DYi is less than X1, marking the super capacitor as a low-voltage capacitor module;
when X1 is not less than DYi and less than X2, marking the super capacitor as a normal capacitor module;
when DYi is larger than or equal to X2, the super capacitor is marked as a high-voltage capacitor module (in a normal super capacitor module, the voltage values generated by each group of super capacitors are inconsistent, some are high, and some are low due to different manufacturing processes).
The data extraction unit acquires adaptive voltage data of the power supply according to the received power supply parameters and transmits the adaptive voltage data to the capacitor matching unit according to the acquired adaptive voltage data interval;
the capacitor matching unit selects a proper super capacitor for voltage supply according to the adaptive voltage data interval of the power supply, so that the voltage output by the super capacitor module is ensured to accord with the adaptive voltage data interval, wherein the specific selection mode is as follows:
s1, obtaining voltage mean values V1 of a plurality of high-voltage capacitors, and then obtaining voltage mean values V2 of a plurality of normal capacitors;
s2, extracting a voltage minimum value Vmin and a power supply maximum value Vmax from the adaptive voltage data interval;
s3, adopt
Obtaining a matching parameter GS, rounding the matching parameter GS, and eliminating a numerical value behind a decimal point, for example: assuming that the value of the matching parameter GS is 7.156 or 7.673, and after rounding processing, the matching parameter GS is 7;
and S4, sequentially selecting the super capacitors with the numerical values of GS from the normal capacitor module and the high-voltage capacitor module to perform voltage supply processing according to the matching parameters GS, performing charging processing on the specified power supply, sequentially selecting the super capacitors from the low-voltage capacitor module by the capacitor matching unit, adding the selected super capacitors into the row and column of the voltage supply capacitor module, and monitoring real-time charging data in real time by the charging parameter monitoring unit.
The peak value selecting unit extracts monitoring data from the charging parameter monitoring unit, determines a group of monitoring peak values according to gradual increase of the monitoring data, and then confirms the adding number of the super capacitors in the low-voltage capacitor module according to the determined monitoring peak values, so that the power supply is in a high-efficiency charging state, the charging effect of the power supply is improved, and the charging time is shortened, wherein the specific mode of selecting the monitoring peak values by the peak value selecting unit is as follows:
extracting a current parameter for charging the specified power supply from the step S4, taking the current parameter as an initial current value, and marking the current parameter as DL0;
sequentially adding corresponding super capacitors from a low-voltage capacitor module, wherein the number of the super capacitors added each time is limited to one, recording charging current parameters after each addition, and marking the parameters as DL1, DL2, 8230, 8230and DLn, wherein n represents the number of the super capacitors added;
selecting a maximum value DLj from a plurality of charging current parameters DLn, wherein j belongs to n, then obtaining series voltage parameters Vj of j super capacitors, and adopting
V1 is the voltage average value of a plurality of high-voltage capacitors, and V2 is the voltage average value of a plurality of normal capacitors, so that the power supply voltage parameter GDV of the whole super capacitor module at the moment is obtained;
comparing the GDV with the maximum value Vmax of the power supply, when the GDV is not more than Vmax, not performing any processing, otherwise generating an adjusting signal, and adjusting the power supply voltage parameter GDV to a value which is the same as Vmax;
and determining a power supply voltage parameter GDV, determining a super capacitor for supplying power, and supplying power to a specified power supply so as to improve the power supply efficiency.
Part of data in the formula is obtained by removing dimension and taking the value to calculate, and the formula is obtained by simulating a large amount of collected data through software and is closest to a real situation; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or obtained through simulation of a large amount of data.
The working principle of the invention is as follows: the adaptive voltage data of a power supply to be charged are obtained in advance, the output voltage data of a capacitor module in a charging station is analyzed, a plurality of super capacitors in the capacitor module are classified in sequence and are classified into a low-voltage capacitor module, a normal capacitor module and a high-voltage capacitor module, corresponding super capacitors are extracted from the normal capacitor module and the high-voltage capacitor module according to the adaptive voltage data to supply power, in the power supply process, corresponding super capacitors are extracted from the low-voltage capacitor module in sequence and are added into a power supply module row and column, the power supply current value of the time period is obtained, the maximum current value is obtained, the number of the super capacitors in the power supply module row and column is determined, the power supply is in a high-efficiency charging state, the charging effect of the power supply is improved, the charging duration is shortened, and meanwhile, the optimal voltage parameters can be used for charging the power supply according to different power supply parameters.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (4)
1. A charging control system of a super-capacitor charging station is characterized by comprising a power data acquisition end, a capacitor data acquisition end and a regulation and control terminal;
the regulation and control terminal comprises a capacitor classification processing unit, a data extraction unit, a capacitor matching unit, a peak value selection unit and a charging parameter monitoring unit;
the power supply data acquisition terminal is used for acquiring power supply parameters of a power supply to be charged and transmitting the acquired power supply parameters to the regulation and control terminal;
the capacitance data acquisition end is used for acquiring single super-capacitance data of the capacitance module in the charging station and transmitting the acquired single super-capacitance data to the regulation and control terminal;
the capacitor classification processing unit in the regulation terminal classifies different super capacitors according to the acquired single super capacitor data, wherein the super capacitor data comprises output voltage data of the single super capacitor;
the data extraction unit acquires adaptive voltage data of the power supply according to the received power supply parameters and transmits the adaptive voltage data to the capacitor matching unit according to the acquired adaptive voltage data interval;
the capacitor matching unit selects a proper super capacitor for voltage supply according to the adaptive voltage data interval of the power supply so as to ensure that the voltage output by the super capacitor module conforms to the adaptive voltage data interval;
the peak value selection unit extracts monitoring data from the charging parameter monitoring unit, determines a group of monitoring peak values according to gradual improvement of the monitoring data, and confirms the adding number of the super capacitors in the low-voltage capacitor module according to the determined monitoring peak values so that the power supply is in a high-efficiency charging state.
2. The charging control system of claim 1, wherein the capacitor classification processing unit performs classification processing on different super capacitors in a specific manner:
marking output voltage data of a plurality of super capacitors in a form of DYi, wherein i represents different super capacitors;
sequentially comparing the voltage data DYi with preset parameters X1 and X2, wherein both X1 and X2 are preset values, the specific value range is drawn up by an operator according to experience, generally X1 takes a value of 0.95V, and X2 takes a value of 1.15V;
when DYi is less than X1, marking the super capacitor as a low-voltage capacitor module;
when X1 is not less than DYi and less than X2, marking the super capacitor as a normal capacitor module;
when DYi is larger than or equal to X2, the super capacitor is marked as a high-voltage capacitor module.
3. The charging control system of claim 2, wherein the capacitor matching unit selects the specific way by:
s1, obtaining voltage mean values V1 of a plurality of high-voltage capacitors, and then obtaining voltage mean values V2 of a plurality of normal capacitors;
s2, extracting a voltage minimum value Vmin and a voltage maximum value Vmax from the adaptive voltage data interval;
s3, adopting
Obtaining a matching parameter GSRounding the matching parameter GS, and eliminating the numerical value behind the decimal point;
and S4, sequentially selecting the super capacitors with the value of GS from the normal capacitor module and the high-voltage capacitor module to supply voltage according to the matching parameters GS, charging the specified power supply, sequentially selecting the super capacitors from the low-voltage capacitor module by the capacitor matching unit, adding the selected super capacitors into the rows and columns of the voltage-supplying capacitor module, and monitoring real-time charging data in real time by the charging parameter monitoring unit.
4. The charging control system of claim 3, wherein the peak value selecting unit selects the monitoring peak value by:
extracting a current parameter for charging the specified power supply from the step S4, taking the current parameter as an initial current value, and marking the current parameter as DL0;
sequentially adding corresponding super capacitors from a low-voltage capacitor module, wherein the number of the super capacitors added each time is limited to one, recording charging current parameters after each addition, and marking the parameters as DL1, DL2, 8230, 8230and DLn, wherein n represents the number of the super capacitors added;
selecting a maximum value DLj from a plurality of charging current parameters DLn, wherein j belongs to n, then obtaining series voltage parameters Vj of j super capacitors, and adopting
V1 is the voltage average value of a plurality of high-voltage capacitors, and V2 is the voltage average value of a plurality of normal capacitors, so that the power supply voltage parameter GDV of the whole super capacitor module at the moment is obtained;
comparing the GDV with the maximum voltage Vmax, when the GDV is less than or equal to the Vmax, not performing any processing, otherwise generating an adjusting signal, and adjusting the power supply voltage parameter GDV to a value which is the same as the Vmax;
and determining a power supply voltage parameter GDV, determining a super capacitor for supplying power, and supplying power to a specified power supply so as to improve the power supply efficiency.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790366A (en) * | 2016-04-19 | 2016-07-20 | 华北电力大学 | Energy storage voltage-sharing charge and discharge control system for super capacitor set and charged state estimation method |
| CN113829906A (en) * | 2021-11-08 | 2021-12-24 | 合肥工业大学 | Composite power supply system of electric bus and energy management control method thereof |
| CN115001122A (en) * | 2022-08-04 | 2022-09-02 | 深圳市今朝时代股份有限公司 | Super capacitor electric energy storage management system based on data analysis |
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| EP3622608A4 (en) * | 2017-05-08 | 2021-01-27 | Invertedpower Pty Ltd | A vehicle charging station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790366A (en) * | 2016-04-19 | 2016-07-20 | 华北电力大学 | Energy storage voltage-sharing charge and discharge control system for super capacitor set and charged state estimation method |
| CN113829906A (en) * | 2021-11-08 | 2021-12-24 | 合肥工业大学 | Composite power supply system of electric bus and energy management control method thereof |
| CN115001122A (en) * | 2022-08-04 | 2022-09-02 | 深圳市今朝时代股份有限公司 | Super capacitor electric energy storage management system based on data analysis |
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