A power data monitoring and management system

Abstract

The present invention relates to the technical field of electric energy data processing, and in particular to an electric energy data monitoring and management system, comprising an electric energy data acquisition module, a plurality of electric energy feedback devices, a data analysis module, an electric energy monitoring excitation module and a detection and proofreading module. The present invention adjusts the load power of a target electric energy line by setting an electric energy feedback device to calculate the monitoring accuracy of the electric energy data, thereby characterizing whether the electric energy data of the target electric energy line reflects the actual line power consumption situation, and calculating the year-on-year stability and month-on-month servo degree of the target electric energy line according to the electric energy data of the target electric energy line, and determining the excitation cycle of the electric energy feedback device based on the year-on-year stability and month-on-month servo degree of the target electric energy line, and adjusting the triggering conditions of the electric energy data monitoring by calculating the excitation cycle, thereby improving the efficiency of the electric energy data monitoring management and the monitoring accuracy of the electric energy data.

Description

Technical Field

[0001] The present invention relates to the technical field of electric energy data processing, and in particular to an electric energy data monitoring and management system. Background Art

[0002] The electric energy data acquisition terminal is generally responsible for the collection, data management, data transmission of electric energy information at each information collection point, and the execution or forwarding of control commands issued by the master station. It can collect power consumption data of the line and is usually used to record power consumption data in various scenarios to monitor power consumption or the status of power consumption parameters.

[0003] Chinese patent publication number CN116962469A discloses a smart park power monitoring and management system, which involves the field of power technology, including a monitoring sensor group, a management center, a correlation evaluation module, a transmission management module and a power analysis module; the correlation evaluation module is used to collect the operation records of each energy-consuming device for correlation evaluation; when the energy-consuming device is started, the monitoring sensor group is used to collect the equipment parameters and energy-using timing parameters of the energy-consuming device and package them into data packets to cache in the terminal database; the transmission management module is used to analyze the monitoring level of the data packets cached in the terminal database, and assist in determining the transmission path of the data packets according to the monitoring level; effectively avoid network congestion and improve communication efficiency; after the management center receives the data packet, the power analysis module is used to obtain the energy-using timing parameters in the data packet for early warning analysis to remind the management personnel to inspect and maintain the energy-consuming equipment and find out the cause of the electrical anomaly. It can be seen that the above technical solution cannot monitor the changes in the power lines and the deviations between the power data and the actual power consumption data. Summary of the invention

[0004] To this end, the present invention provides an electric energy data monitoring and management system to overcome the problem in the prior art that the acquisition accuracy of electric energy data cannot be monitored in a timely manner, resulting in a large deviation between the electric energy data and the actual power consumption data.

[0005] To achieve the above object, the present invention provides an electric energy data monitoring and management system, comprising:

[0006] An electric energy data acquisition module, which is used to acquire electric energy data of a target power line;

[0007] A plurality of power consumption feedback devices are arranged on the target power consumption line or each target branch line, and a single power consumption feedback device uses the power of the corresponding line by adjusting the line load power, and obtains the power consumption data of the line power before and after the load power is adjusted;

[0008] A data analysis module, which is connected to the power data acquisition module and each of the power feedback devices, and is used to determine the excitation period of the power feedback device according to the power data of the target power line;

[0009] An electric energy monitoring and excitation module, which is respectively connected to the data analysis module and each of the electric energy feedback devices, and is used to control the corresponding electric energy feedback device to perform electric energy feedback detection on the target electric energy circuit according to the excitation cycle, so that the corresponding electric energy feedback device adjusts the load power to use the electric energy of the corresponding circuit;

[0010] A detection and proofreading module, which is respectively connected to the electric energy data acquisition module, the electric energy monitoring and excitation module and each of the electric energy feedback devices, is used to determine the monitoring accuracy of the electric energy data of the target power line according to the line load power adjustment amount before and after the power feedback detection and the power consumption data of the line electric energy before and after the load power adjustment, and to adjust the calculation basis of the excitation cycle according to the monitoring accuracy. The detection and proofreading module is also used to adjust the line load power adjustment amount of the power consumption feedback device of the target power line according to the monitoring accuracy.

[0011] Furthermore, the single power feedback device comprises:

[0012] A load power adjustment unit, which adjusts the line load power of the target power line by adjusting the load value of the target power line;

[0013] A load connection unit, which is connected to the load power adjustment unit, and is used to connect the load value determined by the load power adjustment unit to the target power line according to the power feedback detection control instruction of the power monitoring excitation module, and to remove the load of the load power adjustment unit from the target power line according to the disconnection detection control instruction of the power monitoring excitation module;

[0014] A data monitoring unit is connected to the load power adjustment unit and the load connection unit respectively, and is used to calculate the load power consumption according to the load value and connection duration connected to the load power adjustment unit.

[0015] Furthermore, the power consumption feedback device includes: a first power consumption feedback device which is arranged in series at the power supply end of the target power consumption circuit and located in front of the power data detector of the power data acquisition module; and a second power consumption feedback device which is arranged in series at the power supply end of the target power consumption circuit and located behind the power data detector of the power data acquisition module.

[0016] Furthermore, the data analysis module calculates the year-on-year stability and the month-on-month servo degree of the target power consumption line according to the electric energy data of the target power consumption line, and determines the excitation cycle of the power consumption feedback device based on the year-on-year stability and the month-on-month servo degree of the target power consumption line.

[0017] Furthermore, the electric energy monitoring and excitation module determines the electric energy feedback device used for the electric energy feedback detection according to the electric energy data of the target electric energy line, wherein the electric energy data also includes the year-on-year stability and the month-on-month tracking degree of the target electric energy line.

[0018] Furthermore, the power monitoring and excitation module determines the line load power adjustment amount of the corresponding power feedback device according to the power data of the target power line to perform power feedback detection on the target power line;

[0019] The load power adjustment amount is positively correlated with the current power consumption in the power energy data of the target power line.

[0020] Furthermore, the detection and calibration module determines whether the accuracy of the power consumption data of the target power consumption line is qualified according to the monitoring accuracy of the power energy data of the target power consumption line;

[0021] If the monitoring accuracy is greater than the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power consumption line is qualified;

[0022] If the detection accuracy is less than or equal to the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power circuit is unqualified.

[0023] Furthermore, the monitoring accuracy is calculated according to the following formula:

[0024]

[0025] Among them, R is the monitoring accuracy, t a The load adjustment reference monitoring sensitivity time, t r is the load adjustment duration actually detected by the power data acquisition module, t r =t2-t1, t2 is the time point corresponding to when the electric energy data acquisition module detects that the load power increases by 5% after t1, and t1 is the starting time point when the load is connected to the circuit after adjustment by the power feedback device.

[0026] Furthermore, the detection and calibration module adjusts a line load power adjustment amount of a power feedback device of a target power line according to the monitoring accuracy, wherein the monitoring accuracy is negatively correlated with the line load power adjustment amount.

[0027] Furthermore, the detection and calibration module adjusts the calculation basis of the excitation period according to the monitoring accuracy, wherein the monitoring accuracy is positively correlated with the calculation basis of the excitation period.

[0028] Compared with the prior art, the beneficial effect of the present invention lies in that, by providing an electricity feedback device to adjust the load power of the target power line, the monitoring accuracy of the electric energy data is calculated, thereby characterizing whether the electricity consumption data of the target power line reflects the actual line power consumption situation, thereby improving the accuracy of the electricity consumption data.

[0029] Furthermore, the present invention calculates the year-on-year stability and month-on-month tracking of the target power line according to the power data of the target power line, and determines the excitation period of the power feedback device based on the year-on-year stability and month-on-month tracking of the target power line. It can characterize the monitoring demand of the target power line based on the current data and historical data of the power data and the data of the same type of power lines, and adjust the trigger conditions of the power data monitoring by calculating the excitation period, thereby improving the efficiency of the power data monitoring and management.

[0030] Furthermore, the present invention adjusts the line load power adjustment amount of the power feedback device of the target power line through monitoring accuracy. Since the monitoring accuracy can reflect the monitoring sensitivity of the electric energy data acquisition module, when the monitoring accuracy is low, the line load power adjustment amount is increased to make the electric energy data value of the target power line change more and reach the level that can be detected by the electric energy data acquisition module more quickly. Therefore, the situation that the low sensitivity of the electric energy data acquisition module itself is not conducive to monitoring can be overcome, and the electric energy data monitoring performance of the target power line can be better reflected.

[0031] Furthermore, the present invention adjusts the calculation basis of the excitation period according to the monitoring accuracy. Adjusting the calculation basis of the excitation period can not only reduce the monitoring frequency, but also determine the excitation period of the current period according to the changes in the year-on-year stability and the month-on-month tracking degree of the target power lines, taking into account both improving the monitoring sensitivity and reducing the number of monitoring times, and better realizing the management of the electric energy monitoring system. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the structure of an electric energy data monitoring and management system according to an embodiment of the present invention;

[0033] Figure 2 It is a structural block diagram of an electric feedback device used in an embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram of the circuit connection of an electric feedback device used in an embodiment of the present invention;

[0035] Figure 4 This is a schematic diagram of the connection between the first power feedback device and the second power feedback device in the target power circuit according to an embodiment of the present invention;

[0036] In the figure: 1, load connection unit; 2, load power adjustment unit; 3, data monitoring unit. DETAILED DESCRIPTION

[0037] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0038] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0039] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0040] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] See also Figure 1 As shown, it is a schematic diagram of the structure of an electric energy data monitoring and management system according to an embodiment of the present invention. The embodiment of the present invention provides an electric energy data monitoring and management system, including:

[0042] An electric energy data acquisition module, which is used to acquire electric energy data of a target power line;

[0043] A plurality of power consumption feedback devices are arranged on the target power consumption line or each target branch line, and a single power consumption feedback device uses the power of the corresponding line by adjusting the line load power, and obtains the power consumption data of the line power before and after the load power is adjusted;

[0044] A data analysis module, which is connected to the power data acquisition module and each of the power feedback devices, and is used to determine the excitation period of the power feedback device according to the power data of the target power line;

[0045] An electric energy monitoring and excitation module, which is respectively connected to the data analysis module and each of the electric energy feedback devices, and is used to control the corresponding electric energy feedback device to perform electric energy feedback detection on the target electric energy circuit according to the excitation cycle, so that the corresponding electric energy feedback device adjusts the load power to use the electric energy of the corresponding circuit;

[0046] A detection and proofreading module, which is respectively connected to the electric energy data acquisition module, the electric energy monitoring and excitation module and each of the electric energy feedback devices, is used to determine the monitoring accuracy of the electric energy data of the target power line according to the line load power adjustment amount before and after the power feedback detection and the power consumption data of the line electric energy before and after the load power adjustment, and to adjust the calculation basis of the excitation cycle according to the monitoring accuracy. The detection and proofreading module is also used to adjust the line load power adjustment amount of the power consumption feedback device of the target power line according to the monitoring accuracy.

[0047] It is understandable that the electric energy data in the embodiment of the present invention includes current, voltage, frequency, power and power quality indicators (such as harmonics, voltage fluctuation and flicker, three-phase voltage imbalance, etc.). The present invention adjusts the load power of the target power line by setting a power feedback device, and obtains the change of electric energy data before and after the load adjustment through the electric energy data acquisition module, which can characterize the accuracy of electric energy acquisition of the target power line, thereby improving the accuracy of electric energy data monitoring by determining the accuracy of historical electric energy data.

[0048] See also Figure 2 and Figure 3 As shown, Figure 2 is a structural block diagram of an electric feedback device used in an embodiment of the present invention, Figure 3 This is a schematic diagram of the circuit connection of an electric feedback device according to an embodiment of the present invention. Specifically, a single electric feedback device includes:

[0049] A load power adjustment unit 1, which adjusts the line load power of the target power line by adjusting the load value of the target power line;

[0050] A load connection unit 2, which is connected to the load power adjustment unit, and is used to connect the load value determined by the load power adjustment unit to the target power line according to the power feedback detection control instruction of the power monitoring excitation module, and to remove the load of the load power adjustment unit from the target power line according to the disconnection detection control instruction of the power monitoring excitation module;

[0051] The data monitoring unit 3 is connected to the load power adjustment unit and the load connection unit respectively, and is used to calculate the load power consumption according to the load value and connection duration connected to the load power adjustment unit.

[0052] In implementation, the load power adjustment unit can be set to be a power-consuming device (such as a power-consuming resistor, etc.) that only changes the line load power setting, or it can be set to a functional power-consuming device (such as a cooler or heater, a power-consuming detector, etc.) as needed. It can be set according to specific scenarios and will not be elaborated here.

[0053] See also Figure 3 As shown, the load connection unit is usually in the form of a switch. For example, the load connection unit is connected in series to the target power line, and the adjustable load of the load power adjustment unit is connected in parallel with the load connection unit of the target line. The load connection unit disconnects the line connected in parallel with the load power adjustment unit according to the received power feedback detection control instruction, so that the load of the load power adjustment unit is connected in series to the target power line to achieve line load power adjustment.

[0054] See also Figure 4 As shown, it is a schematic diagram of the connection between the first power feedback device and the second power feedback device in the target power line according to an embodiment of the present invention. In implementation, the power feedback device at least includes:

[0055] A first power consumption feedback device is serially connected at the power supply end of the target power consumption circuit and located in front of the power data detector of the power data acquisition module, and a second power consumption feedback device is serially connected at the power supply end of the target power consumption circuit and located behind the power data detector of the power data acquisition module.

[0056] It can be understood that the first power consumption feedback device can be set on the main line of the target power consumption circuit, and the second power consumption feedback device can be set on the main line of the target power consumption circuit, or can be set on a branch line of the target power consumption circuit.

[0057] Specifically, the data analysis module calculates the year-on-year stability and month-on-month servo degree of the target power consumption line according to the electric energy data of the target power consumption line, and determines the excitation cycle of the power consumption feedback device based on the year-on-year stability and month-on-month servo degree of the target power consumption line.

[0058] It can be understood that the year-on-year stability of the target power consumption line is calculated and determined based on its own historical power consumption data, and the month-on-month tracking degree of the target power consumption line is calculated and determined based on the power consumption data of other users with the same power consumption type in the same period.

[0059] In practice, the year-on-year stability is calculated as follows:

[0060] Among them, α1 is the first year-on-year coefficient, α2 is the second year-on-year coefficient, M1 is the total power consumption of the target power line in the current preset time period, and M X is the average total power consumption of the target power line in the preset time period, p maxis the maximum load power value of the target power line in the current preset time period, p min is the minimum load power value of the target power line in the current preset time period, and ΔP is the average value of the extreme value difference in the preset time period of the target power line history record. In implementation, α1+α2=1, and α2>α1. Preferably, α1 takes a value of 0.3 and α2 takes a value of 0.7. The preset time period is generally 24 hours before the current time.

[0061] In practice, the calculation of the month-on-month tracking degree is as follows:

[0062] Among them, β1 is the first month-on-month coefficient, β2 is the second month-on-month coefficient, T1 is the time from the time point when the load power extreme value of the target power line appears in the current preset time period to the current time, T X is the average of the time from the time point of the load power extreme value of other power lines of the same type as the target power line to the current time in the current preset time period, and λ is the overlap between the time point of the load power maximum value and the minimum value of the target power line in each historical preset time period and the corresponding time period of the load power maximum value and minimum value of other power lines of the same type in the current cycle. In implementation, β1+β2=1, and β1>β2. Preferably, β1 takes a value of 0.3 and β2 takes a value of 0.7.

[0063] In implementation, the excitation period is proportional to the month-on-month tracking degree of the target power lines and the year-on-year stability of the target power lines. The excitation period can be calculated using the following formula:

[0064] T=(γ1×FA+γ2×FB)×T0,

[0065] Among them, T0 is the calculation basis of the set excitation period. Generally, T0 takes 1 day as the minimum excitation period. T0 can be set to a multiple value of the minimum excitation period.

[0066] It can be understood that the excitation period T is the monitoring interval used to control the power consumption feedback device to monitor power consumption data. The greater the month-on-month tracking degree and the year-on-year stability of the target power consumption line, the more stable the current power consumption data of the target power consumption line and the fewer abnormal data values. Therefore, the excitation period T can be set to a longer monitoring interval, and vice versa.

[0067] Specifically, the power monitoring excitation module determines the power feedback device used for power feedback detection according to the power data of the target power line, wherein:

[0068] If the year-on-year stability of the electric energy data is greater than or equal to a preset year-on-year stability threshold, the electric energy monitoring excitation module determines to control the first electric energy feedback device to perform load adjustment to perform electric energy feedback detection;

[0069] If the year-on-year stability of the electric energy data is less than a preset year-on-year stability threshold, the electric energy monitoring excitation module determines to control the second electric energy feedback device to perform load adjustment to perform electric energy feedback detection;

[0070] Alternatively, if the month-on-month tracking degree of the electric energy data is greater than or equal to a preset month-on-month tracking degree threshold, the electric energy monitoring excitation module determines to control the second electric energy feedback device to perform load adjustment to perform electric energy feedback detection;

[0071] If the month-on-month tracking degree of the electric energy data is less than a preset month-on-month tracking degree threshold, the electric energy monitoring excitation module determines to control the first electric energy feedback device to perform load adjustment to perform electric energy feedback detection;

[0072] Among them, preferably, the preset year-on-year stability threshold is set between 0.7 and 0.85, and the preset quarter-on-quarter following threshold is set between 0.75 and 0.85 to obtain better representativeness.

[0073] It can be understood that the higher the year-on-year stability of the electric energy data, the smaller the deviation between the current electric energy data of the target power line and its historical electric energy data, and the smaller the collection deviation of the electric energy data of the entire circuit. At this time, only monitoring the entire target power line is required to provide sufficient data accuracy for characterization. Therefore, the first power feedback device is used to perform load adjustment for power feedback detection; the lower the year-on-year stability of the electric energy data, the greater the deviation between the current electric energy data of the target power line and its historical electric energy data, and errors may occur in the collection of the electric energy data. It is necessary to determine whether the target power line has been adjusted. At this time, the second power feedback device is used to perform load adjustment for power feedback detection.

[0074] The higher the month-on-month tracking degree of the electric energy data, the smaller the data waveform deviation that can be used to characterize the electric energy data of the target power line and the electric energy data of other power lines of the same type, and the collection deviation of the electric energy data of the entire circuit does not need to be monitored. At this time, it is necessary to determine whether the target power line has been adjusted. At this time, the second power feedback device is used to perform load adjustment for power feedback detection; the lower the month-on-month tracking degree of the electric energy data, the greater the deviation that can be used to characterize the electric energy data of the target power line and the electric energy data of other power lines of the same type, and errors may occur in the collection of the electric energy data of the entire line, and it is necessary to make an overall judgment on the target power line. At this time, the first power feedback device is used to perform load adjustment for power feedback detection.

[0075] Specifically, the power monitoring and excitation module determines the line load power adjustment amount of the corresponding power feedback device according to the power data of the target power line to perform power feedback detection on the target power line;

[0076] The load power adjustment amount is positively correlated with the current power consumption in the power data of the target power line.

[0077] In implementation, if the first power consumption feedback device is used for power consumption feedback detection, the current power consumption to be calculated is the total power consumption of the current target power consumption line in the power data. At this time, preferably, the load power adjustment amount is set to 8% to 15% of the total power consumption;

[0078] If a second power feedback device is used for power feedback detection, the current power consumption calculated is 8% to 15% of the line where the second power feedback device is located in the current target power line in the power data or 15% to 25% of the power consumption of the branch line where the second power feedback device is located.

[0079] Normally, the load power adjustment holding time of the power consumption feedback detection is set according to the rated working parameters of the power consumption feedback device. Generally, the load power adjustment holding time is not less than 2 minutes, and for energy saving considerations, the load power adjustment holding time of the power consumption feedback detection should not exceed 20 minutes.

[0080] Specifically, the monitoring accuracy is calculated according to the formula: Among them, R is the monitoring accuracy, t a The load adjustment reference monitoring sensitivity time, t r is the load adjustment duration actually detected by the power data acquisition module, t r =t2-t1, t2 is the time point corresponding to when the electric energy data acquisition module detects that the load power increases by 5% after t1, t1 is the start time point of the load connected to the circuit after the power feedback device adjusts it, t a It is generally set to 30s. It can be understood that the difference between two time points is used to obtain the interval between the two time points.

[0081] Specifically, the detection and calibration module determines whether the accuracy of the power consumption data of the target power consumption line is qualified according to the monitoring accuracy of the power energy data of the target power consumption line;

[0082] If the monitoring accuracy is greater than the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power consumption line is qualified;

[0083] If the detection accuracy is less than or equal to the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power circuit is unqualified.

[0084] In implementation, the preset accuracy value is related to the working accuracy of the electric energy data acquisition module. Generally, the preset accuracy value is between 0.8 and 1.5.

[0085] In implementation, the monitoring accuracy can reflect the monitoring sensitivity of the electric energy data acquisition module on the one hand, and on the other hand, it can also characterize whether there is any power consumption situation in the target power line that cannot be monitored by the electric energy data acquisition module outside the settings. Therefore, the monitoring accuracy can characterize the acquisition accuracy of the power consumption data of the target power line by the electric energy data acquisition module. After load adjustment, the higher the monitoring accuracy, the higher the monitoring sensitivity of the electric energy data acquisition module, and the less likely there are undetected branches in the line.

[0086] Specifically, the detection and calibration module adjusts the line load power adjustment amount of the power feedback device of the target power line according to the monitoring accuracy, wherein the monitoring accuracy is negatively correlated with the line load power adjustment amount.

[0087] It can be understood that the monitoring accuracy can reflect the monitoring sensitivity of the electric energy data acquisition module. Therefore, when the monitoring accuracy is low, by increasing the line load power adjustment amount, the electric energy data value of the target power line can change more greatly and reach the level that can be detected by the electric energy data acquisition module more quickly, thereby overcoming the situation where the low sensitivity of the electric energy data acquisition module itself is not conducive to monitoring, and better reflecting the monitoring of the electric energy data of the target power line.

[0088] Specifically, the detection and calibration module adjusts the calculation basis of the excitation period according to the monitoring accuracy, wherein the monitoring accuracy is positively correlated with the calculation basis of the excitation period.

[0089] In implementation, the higher the monitoring accuracy, the higher the monitoring sensitivity of the electric energy data acquisition module, and the more accurately the acquired electric energy data reflects the power consumption of the target power lines. Therefore, the monitoring frequency can be reduced by adjusting the excitation period. Preferably, the calculation basis of adjusting the excitation period can not only meet the requirements of reducing the monitoring frequency, but also determine the excitation period for the current period according to the changes in the year-on-year stability and month-on-month tracking degree of the target power lines, taking into account both improving the monitoring sensitivity and reducing the number of monitoring times, thereby better realizing the management of the electric energy monitoring system.

[0090] Specifically, the detection and calibration module is further used to calculate the power consumption of the first power feedback device and the second power feedback device, and to correct the power consumption of the target power circuit of the power data acquisition module according to the power consumption of the power feedback device.

[0091] Since the power data acquisition module can record the power data of the entire target power line when using the first or second power feedback device for power feedback detection, at this time, if the power data acquisition module is used as the power consumption record of the target power line, the power consumption of the first or second power feedback device should be separately included to exclude the inclusion of additional power consumption caused by the load power adjustment of the power feedback device. The power consumption caused by the load power adjustment of the power feedback device can be calculated based on the power consumption duration and power consumption data, which is a conventional power consumption data calculation of electrical appliances and will not be repeated here.

[0092] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An electric energy data monitoring and management system, characterized in that: include: An electric energy data acquisition module, which is used to acquire electric energy data of a target power line; A plurality of power consumption feedback devices are arranged on the target power consumption line or each target branch line, and a single power consumption feedback device uses the power of the corresponding line by adjusting the line load power, and obtains the power consumption data of the line power before and after the load power is adjusted; A data analysis module, which is connected to the electric energy data acquisition module and each of the electric energy feedback devices, is used to calculate the year-on-year stability and the month-on-month servo of the target electric energy line according to the electric energy data of the target electric energy line, and determine the excitation period of the electric energy feedback device based on the year-on-year stability and the month-on-month servo of the target electric energy line, wherein the data analysis module calculates the year-on-year stability and the month-on-month servo of the target electric energy line according to the electric energy data of the target electric energy line, and determines the excitation period of the electric energy feedback device based on the year-on-year stability and the month-on-month servo of the target electric energy line, and the year-on-year stability is calculated as follows: , where α1 is the first year-on-year coefficient, α2 is the second year-on-year coefficient, is the total power consumption of the target power line in the current preset time period, The average total power consumption of the target power line in the preset time period. is the maximum load power value of the target power line within the current preset time period, is the minimum load power value of the target power line within the current preset time period, is the average value of the extreme value difference of the historical records of the target power line within a preset time period, α1+α2=1, and α2>α1; The calculation of the month-on-month following degree is as follows: , where β1 is the first month-on-month coefficient, β2 is the second month-on-month coefficient, The time from the point in time when the load power extreme value of the target power line appears in the current preset time period to the current time. is the average of the time from the time point of the load power extreme value of other power lines of the same type as the target power line to the current time in the current preset time period, The degree of overlap between the time period between the maximum and minimum time points of the load power of the target power line in each historical preset time period and the corresponding time period of the maximum and minimum load power of other power lines of the same type in the current cycle, β1+β2=1, and β1>β2; An electric energy monitoring and excitation module, which is respectively connected to the data analysis module and each of the electric energy feedback devices, and is used to control the corresponding electric energy feedback device to perform electric energy feedback detection on the target electric energy circuit according to the excitation cycle, so that the corresponding electric energy feedback device adjusts the load power to use the electric energy of the corresponding circuit; a detection and calibration module, which is respectively connected to the electric energy data acquisition module, the electric energy monitoring and excitation module and each of the electric energy feedback devices, and is used to determine the monitoring accuracy of the electric energy data of the target power line according to the line load power adjustment amount before and after the power feedback detection and the power consumption data of the line electric energy before and after the load power adjustment, and to adjust the calculation basis of the excitation cycle according to the monitoring accuracy, and the monitoring accuracy is positively correlated with the calculation basis of the excitation cycle. The detection and calibration module is also used to adjust the line load power adjustment amount of the electric energy feedback device of the target power line according to the monitoring accuracy, and the monitoring accuracy is negatively correlated with the line load power adjustment amount, wherein the excitation cycle is proportional to both the year-on-year stability and the month-on-month servo degree, and the excitation cycle is proportional to the calculation basis of the excitation cycle; Wherein, a single power feedback device comprises: A load power adjustment unit, which adjusts the line load power of the target power line by adjusting the load value of the target power line; A load connection unit, which is connected to the load power adjustment unit, and is used to connect the load value determined by the load power adjustment unit to the target power line according to the power feedback detection control instruction of the power monitoring excitation module, and to remove the load of the load power adjustment unit from the target power line according to the disconnection detection control instruction of the power monitoring excitation module; A data monitoring unit, which is connected to the load power adjustment unit and the load connection unit respectively, and is used to calculate the load power consumption according to the load value and connection duration connected to the load power adjustment unit; The monitoring accuracy is calculated according to the following formula: ， Among them, R is the monitoring accuracy, Adjust the reference monitoring sensitivity time for load, The load adjustment duration actually detected by the power data acquisition module, , For the power data acquisition module The time point corresponding to the load power increase of 5% after the time is detected, It is the starting time point when the load is connected to the circuit after being adjusted by the electric feedback device.

2. The electric energy data monitoring and management system according to claim 1, characterized in that: The power consumption feedback device includes: a first power consumption feedback device which is arranged in series at the power supply end of the target power consumption circuit and located in front of the power data detector of the power data acquisition module; and a second power consumption feedback device which is arranged in series at the power supply end of the target power consumption circuit and located behind the power data detector of the power data acquisition module.

3. The electric energy data monitoring and management system according to claim 2, characterized in that: The electric energy monitoring and excitation module determines the electric energy feedback device used for the electric energy feedback detection according to the electric energy data of the target electric energy line, wherein the electric energy data also includes the year-on-year stability and the month-on-month tracking degree of the target electric energy line.

4. The electric energy data monitoring and management system according to claim 3, characterized in that: The power monitoring and excitation module determines the line load power adjustment amount of the corresponding power feedback device according to the power data of the target power line to perform power feedback detection on the target power line; The load power adjustment amount is positively correlated with the current power consumption in the power energy data of the target power line.

5. The electric energy data monitoring and management system according to claim 1, characterized in that: The detection and calibration module determines whether the accuracy of the power consumption data of the target power consumption line is qualified according to the monitoring accuracy of the power energy data of the target power consumption line; If the monitoring accuracy is greater than the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power consumption line is qualified; If the detection accuracy is less than or equal to the preset accuracy value, the detection and calibration module determines that the accuracy of the power consumption data of the target power circuit is unqualified.

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