CN116923156A - Cloud platform-based intelligent monitoring system for safety of photovoltaic energy storage charging station - Google Patents
Cloud platform-based intelligent monitoring system for safety of photovoltaic energy storage charging station Download PDFInfo
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- CN116923156A CN116923156A CN202311045426.4A CN202311045426A CN116923156A CN 116923156 A CN116923156 A CN 116923156A CN 202311045426 A CN202311045426 A CN 202311045426A CN 116923156 A CN116923156 A CN 116923156A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 162
- 238000004146 energy storage Methods 0.000 title claims abstract description 40
- 230000007613 environmental effect Effects 0.000 claims abstract description 18
- 238000010586 diagram Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 8
- 238000012954 risk control Methods 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000004141 dimensional analysis Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
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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
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The application relates to the field of charging station monitoring, which is used for solving the problem that a photovoltaic energy storage charging station lacks an effective safety supervision system, in particular to a photovoltaic energy storage charging station safety intelligent monitoring system based on a cloud platform; according to the application, environmental information with influence on the charging equipment is analyzed, environmental risk control of the charging equipment is realized, management staff can conveniently respond to possible accident conditions and risk probability in advance, comprehensive analysis of the operation time and the power generation capacity of the photovoltaic power generation equipment is realized through the photovoltaic equipment monitoring unit, so that the management staff can timely know the power generation efficiency of the photovoltaic energy storage charging station, overhaul is performed when abnormality occurs, the dependence of the photovoltaic energy storage power station on power grid power supply is reduced, parameter monitoring in the operation process of the charging equipment is performed, the operation of the charging equipment with faults is avoided, the operation frequency of the charging equipment is analyzed, and reminding is generated when the operation frequency of some charging equipment is greatly lower than the normal operation frequency.
Description
Technical Field
The application relates to the field of charging station monitoring, in particular to a photovoltaic energy storage charging station safety intelligent monitoring system based on a cloud platform.
Background
With the rapid development of new energy automobiles, more and more new energy automobiles enter thousands of households. The charging station is used as a supporting infrastructure of an electric automobile, the safety and the reliability of the charging station also need to pay attention to, in restarting the charging station, the photovoltaic energy storage charging station has the capability of photovoltaic power generation, so that the dependence on a power grid is greatly reduced, the influence of the automobile on the power grid is reduced to the minimum when the automobile is charged, meanwhile, the photovoltaic power generation has instability of the generated energy in the process of power generation, the electric grid is difficult to directly access, the electric grid is generally accessed after energy storage conversion, and the electric power loss exists in the process of electric quantity transmission, so that the photovoltaic energy storage charging station can locally use the electric energy generated by photovoltaic power generation equipment, the loss in the power transmission process is reduced, and the energy utilization rate is greatly improved.
Therefore, the photovoltaic energy storage charging station is an important ring in the development process of new energy automobiles, and because the photovoltaic energy storage charging station has a plurality of devices and simultaneously has power generation, energy storage and discharge ends, if the operation of the devices of the photovoltaic energy storage charging station cannot be safely monitored through an effective management system, the safety potential hazards are large, so that the popularization effect and the use safety of the photovoltaic energy storage charging station in the actual operation process are influenced;
the application provides a solution to the technical problem.
Disclosure of Invention
According to the intelligent monitoring system for the photovoltaic energy storage charging station, the environmental information with influence on the charging equipment is analyzed, the environmental risk control of the charging equipment is realized, management staff can conveniently deal with possible unexpected conditions and risk probability in advance, the comprehensive analysis of the operation time and the power generation capacity of the photovoltaic power generation equipment is realized through the photovoltaic equipment monitoring unit, the management staff can timely know the power generation efficiency of the photovoltaic energy storage charging station, timely overhaul the photovoltaic energy storage power station when the power generation efficiency is abnormal, the dependence of the photovoltaic energy storage power station on power grid power supply is reduced, the parameter monitoring in the operation process of the charging equipment is performed, the loss caused by the operation of the charging equipment with faults is avoided, the operation frequency of the charging equipment is analyzed, and when the operation frequency of some charging equipment is greatly lower than the normal operation frequency, a reminder is generated, so that the use safety of the charging equipment is ensured, the problem of the effective safety system due to the shortage of the photovoltaic energy storage charging station is solved, and the intelligent monitoring system for the photovoltaic energy storage monitoring based on the cloud platform is provided.
The aim of the application can be achieved by the following technical scheme:
the photovoltaic energy storage charging station safety intelligent monitoring system based on the cloud platform comprises an environment monitoring unit, a cloud management and control unit, a photovoltaic equipment monitoring unit, a discharge equipment monitoring unit, a use monitoring unit and a stability monitoring unit, wherein the environment monitoring unit can collect the environment at the photovoltaic energy storage charging station, acquire environment information, analyze the environment information, generate an environment risk signal and send the environment risk signal to the cloud management and control unit, and the environment information comprises the environment temperature and the air humidity;
the photovoltaic equipment monitoring unit can acquire photovoltaic equipment operation information, analyze the photovoltaic equipment operation information and generate a photovoltaic equipment operation monitoring signal, and send the photovoltaic equipment operation monitoring signal to the cloud management and control unit;
the use monitoring unit can monitor the charging equipment in the charging station, acquire equipment use information and send the equipment use information to the discharge equipment monitoring unit;
the stability monitoring unit can acquire equipment operation information through charging equipment in the charging station, analyze the equipment operation information, generate equipment stability signals according to analysis results, and send the equipment stability signals to the discharge equipment monitoring unit;
after the discharge equipment monitoring unit acquires the equipment use information, analyzing the equipment use information, generating an equipment use signal according to an analysis result, and sending the equipment use signal to the cloud management and control unit;
the cloud management and control unit is used for transmitting and outputting environment risk signals and photovoltaic equipment operation monitoring signals, carrying out cloud analysis after acquiring equipment operation information and equipment use information, and transmitting analysis results to an equipment output end through a network.
As a preferred embodiment of the present application, when the environmental monitoring unit collects environmental temperatures, a plurality of different temperature collection points are respectively set in the charging station, and temperature data and height data of each collection point are obtained from each temperature collection point, the environmental monitoring unit uses the floor area of the charging station as the bottom surface, draws the vertical axis upwards, and divides different heights into different monitoring planes according to the vertical axis, the environmental monitoring unit calculates an average value of the temperature data on each monitoring plane, the average value calculation method is arithmetic average, and the calculated temperature data is used as the temperature data on the corresponding monitoring plane;
the environment monitoring unit acquires the same longitudinal axis and bottom surface as the environment temperature, acquires air humidity data on each monitoring plane, calculates an average value of the air humidity data in each monitoring plane in an arithmetic average mode, and takes the average air humidity data in each monitoring plane as the air humidity data of the corresponding monitoring plane.
As a preferred embodiment of the present application, the environmental monitoring unit acquires temperature data and air humidity data on each monitoring plane, records the vertical axis height of the monitoring plane as H, h=1, 2,3, …, n, records the temperature data on the monitoring plane as T, records the air humidity data on the monitoring plane as R, obtains an environmental risk characteristic value X through formula analysis,q is a preset coefficient, h is a preset high-risk height, the high-risk height is 1 < h < n, the environment monitoring unit compares the environment risk characteristic value X with a preset risk threshold value, an environment risk-free signal is generated if the environment risk characteristic value X is smaller than the preset risk threshold value, and an environment high-risk signal is generated if the environment risk characteristic value X is larger than or equal to the preset risk threshold value.
As a preferred embodiment of the present application, the operation information of the photovoltaic device obtained by the photovoltaic device monitoring unit includes an operation time length and a productivity effect, wherein the productivity effect is an electric energy that the photovoltaic device can produce in a unit time, the photovoltaic device monitoring unit draws a rectangular planar coordinate system after obtaining the operation time length, wherein a horizontal axis is the operation time length, a Y axis is the productivity effect, the photovoltaic device monitoring unit draws a productivity effect line diagram, two points are selected on the line diagram as monitoring segments, two endpoints of the monitoring segments draw vertical lines towards an X axis direction respectively, an area of a graph enclosed by the line diagram, the two vertical lines and the X axis is calculated and recorded as an efficiency area, the efficiency area is compared with a preset area threshold, if the efficiency area is greater than the preset area threshold, an efficiency qualified signal is generated, and if the efficiency area is less than the preset area threshold, an efficiency insufficient signal is generated.
As a preferred embodiment of the present application, when the usage monitoring unit acquires the device usage information of the charging device, the charging device in use is recorded as an operating device, an unoperated device is recorded as a stationary device, the usage monitoring unit acquires the device usage information of the charging device once every a preset period of time has elapsed, and the acquired device usage information is sent to the discharging device monitoring unit.
As a preferred embodiment of the present application, the device operation information obtained by the stability monitoring unit includes an operation power, an operation time and an operation temperature, the stability monitoring unit records the operation power of the charging device as P, the operation time as t, the equivalent time F is obtained by calculating the formula f=pt, the operation temperature as H, the equivalent time F is used as an X axis, the operation temperature H is used as a Y axis, the stability monitoring unit performs curve fitting on the operation temperature H curve in the operation curve image to obtain a straight line segment, the straight line segment is recorded as an approximate temperature rise straight line, the stability monitoring unit calculates the slope of the approximate temperature rise straight line, compares the slope of the approximate temperature rise straight line with a preset slope threshold, generates a temperature rise qualified signal if the slope of the approximate temperature rise straight line is smaller than the preset slope, and generates an exceeding signal if the slope of the approximate temperature rise straight line is larger than the preset slope, wherein the temperature rise qualified signal and the exceeding signal are the device stability signals.
As a preferred embodiment of the present application, the discharging device monitoring unit obtains a device stability signal of the operating device, if the device stability signal is a temperature rise exceeding signal, a device high temperature warning is generated, if the device stability signal is a temperature rise exceeding signal, a device normal signal is generated, the discharging device monitoring unit obtains a time period when the charging device is recorded as a stationary device, calculates a ratio of the time period when the charging device is recorded as the stationary device in a total time period when the charging device is recorded as the stationary device and the operating device, if the ratio is greater than a preset operation ratio, a device normal signal is generated, and if the ratio is less than the preset operation ratio, a device idle signal is generated;
wherein the device high temperature warning, the device normal signal and the device idle signal are device use signals.
In a preferred embodiment of the present application, after the cloud management and control unit obtains the device high temperature warning, the cloud management and control unit generates the alarm information, and after the cloud management and control unit obtains the device idle signal, the cloud management and control unit sends the device corresponding to the device idle signal to the device output end to generate the device maintenance alarm.
Compared with the prior art, the application has the beneficial effects that:
1. according to the application, the environmental information of the charging station is acquired, the environmental information with influence on the charging equipment is analyzed, the environmental risk control of the charging equipment is realized, management staff can respond to possible accident conditions and risk probability in advance, and when the environmental information is analyzed, the analysis result on the height level is obtained through spatial three-dimensional analysis, so that the accuracy degree in analysis is improved.
2. According to the application, the monitoring of the power generation end of the photovoltaic energy storage charging station is realized through the photovoltaic equipment monitoring unit, and the management personnel can timely know the power generation efficiency of the photovoltaic energy storage charging station through the comprehensive analysis of the operation time and the power generation capacity of the photovoltaic power generation equipment, and timely overhaul is performed when the power generation efficiency is abnormal, so that the dependence of the photovoltaic energy storage power station on power supply of a power grid is reduced.
3. According to the application, the parameters of the charging equipment in the running process are monitored, so that the loss caused by the fault running of the charging equipment is avoided, and meanwhile, the use frequency of the charging equipment is analyzed, so that the auxiliary analysis on the use of the charging equipment is realized through subjective selection of a user, and when the use frequency of some charging equipment is greatly lower than the normal use frequency, a reminder is generated, and the manual investigation is performed, so that the use safety of the charging equipment is ensured.
Drawings
The present application is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a system block diagram of the present application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiment one:
referring to fig. 1, a cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system comprises an environment monitoring unit, a cloud management and control unit, a photovoltaic device monitoring unit, a discharge device monitoring unit, a use monitoring unit and a stability monitoring unit, wherein the environment monitoring unit can collect environments at the photovoltaic energy storage charging station, acquire environment information, analyze the environment information, generate environment risk signals and send the environment risk signals to the cloud management and control unit, the environment information comprises environment temperature and air humidity, when the environment monitoring unit collects the environment temperature, a plurality of different temperature collection points are respectively arranged in the charging station, each temperature collection point is collected through a temperature sensor, the temperature collection points are distributed at different heights and different positions, temperature data and height data of each collection point are obtained from each temperature collection point, the environment monitoring unit takes a floor area as a bottom surface, analyzes the different heights into different monitoring planes according to a vertical axis, the environment monitoring unit calculates an average value of the temperature data on each monitoring plane, and calculates the average value of the temperature data on the charging station as arithmetic plane, and the average value is calculated as the average temperature data;
the environment monitoring unit acquires the same longitudinal axis and bottom surface as the air humidity data on each monitoring plane when the environment temperature is acquired, calculates an average value of the air humidity data in each monitoring plane in an arithmetic average mode, and takes the average air humidity data in each monitoring plane as the air humidity data of the corresponding monitoring plane;
the environment monitoring unit acquires temperature data and air humidity data on each monitoring plane, records the vertical axis height of the monitoring plane as H, H=1, 2,3, …, n, records the temperature data on the monitoring plane as T, records the air humidity data on the monitoring plane as R, obtains an environment risk characteristic value X through formula analysis,wherein q is a preset coefficient, h is a preset high-risk height, and the high-risk height is 1 < h < n, and the environment is monitoredThe unit compares the environment risk characteristic value X with a preset risk threshold value, if the environment risk characteristic value X is smaller than the preset risk threshold value, an environment risk-free signal is generated, and if the environment risk characteristic value X is larger than or equal to the preset risk threshold value, an environment high risk signal is generated and is used for being sent through the cloud management and control unit so as to remind a manager of timely making a coping scheme when equipment is easy to fail.
Embodiment two:
referring to the illustration of figure 1 of the drawings,
the photovoltaic equipment monitoring unit can acquire photovoltaic equipment operation information and analyze the photovoltaic equipment operation information to generate a photovoltaic equipment operation monitoring signal, the photovoltaic equipment monitoring unit sends the photovoltaic equipment operation monitoring signal to the cloud management and control unit, the photovoltaic equipment operation information acquired by the photovoltaic equipment monitoring unit comprises operation time and productivity efficiency, the productivity efficiency is electric energy which can be produced by the photovoltaic equipment in unit time, the acquisition mode is monitoring elements, the photovoltaic equipment monitoring unit draws a planar rectangular coordinate system after acquiring the operation time, the transverse axis is operation time, the photovoltaic equipment monitoring unit draws a line diagram of the productivity efficiency, two points are selected on the line diagram to serve as monitoring sections, two end points of the monitoring sections are respectively drawn towards the X-axis direction perpendicular lines, the area of the graph enclosed by the two perpendicular lines and the X-axis is calculated, the efficiency area is recorded as an efficiency area, the efficiency area is compared with a preset area threshold, if the efficiency area is larger than the preset area threshold, an efficiency qualification signal is generated, if the efficiency area is smaller than the preset area threshold, the efficiency is not generated, and the photovoltaic equipment is used for reminding a user of low maintenance management staff to maintain the efficiency in time.
Embodiment two:
referring to the illustration of figure 1 of the drawings,
the charging equipment in the charging station can be monitored by the use monitoring unit, equipment use information is acquired, when the equipment use information of the charging equipment is acquired by the use monitoring unit, the charging equipment in use is recorded as operating equipment, the equipment which is not operated is recorded as stationary equipment, the equipment use information of the charging equipment is acquired once every time a preset period of time passes by the use monitoring unit, and the equipment use information is transmitted to the discharge equipment monitoring unit;
the stability monitoring unit can acquire equipment operation information through the charging equipment in the charging station, analyze the equipment operation information, generate an equipment stability signal according to an analysis result, send the equipment stability signal to the discharging equipment monitoring unit, the equipment operation information acquired by the stability monitoring unit comprises operation power, operation time and operation temperature, after the stability monitoring unit acquires the operation power of the charging equipment, the operation power of the charging equipment is recorded as P, the operation time is recorded as t, the equivalent time F is obtained through calculation of a formula F=Pt, the operation temperature is recorded as H, the equivalent time F is taken as an X axis, an operation curve image is drawn by taking the operation temperature H as a Y axis, a curve fitting is carried out on an operation temperature H curve in the operation curve image to obtain a straight line segment, the straight line segment is recorded as an approximate temperature rise straight line, the stability monitoring unit calculates the slope of the approximate temperature rise straight line, compares the slope of the approximate temperature rise straight line with a preset slope threshold, if the slope of the approximate temperature rise straight line is smaller than the preset slope, an overstandard signal is generated, and if the slope of the approximate temperature rise straight line is greater than the preset slope, an overstandard signal is generated, wherein the temperature rise signal and the overstandard signal is the equipment stability signal is obtained;
after the discharge equipment monitoring unit acquires equipment use information, analyzing the equipment use information, generating an equipment use signal according to an analysis result, and sending the equipment use signal to the cloud management and control unit, wherein the discharge equipment monitoring unit acquires an equipment stability signal of the operation equipment, if the equipment stability signal is an over-standard temperature rise signal, an equipment high-temperature warning is generated, if the equipment stability signal is an over-standard temperature rise signal, an equipment normal signal is generated, the discharge equipment monitoring unit acquires the time length of the charge equipment recorded as the stationary equipment, and calculates the ratio of the time length of the charge equipment recorded as the stationary equipment in the total time length of the charge equipment recorded as the stationary equipment and the operation equipment, if the ratio is larger than a preset operation ratio, an equipment normal signal is generated, and if the ratio is smaller than the preset operation ratio, an equipment idle signal is generated;
wherein the equipment high temperature warning, the equipment normal signal and the equipment idle signal are all equipment use signals;
the cloud management and control unit sends and outputs an environment risk signal and a photovoltaic device operation monitoring signal, cloud analysis is carried out after the cloud management and control unit obtains device operation information and device use information, an analysis result is sent to a device output end through a network, after the cloud management and control unit obtains a device high-temperature warning, alarm information is generated through the cloud management and control unit, after the cloud management and control unit obtains a device idle signal, the device corresponding to the device idle signal is sent to the device output end, and a device maintenance alarm is generated.
According to the application, environmental information with influence on the charging equipment is analyzed, environmental risk control of the charging equipment is realized, management staff can conveniently deal with possible unexpected conditions and risk probability in advance, monitoring of the power generation end of the photovoltaic energy storage charging station is realized through the photovoltaic equipment monitoring unit, the management staff can timely know the power generation efficiency of the photovoltaic energy storage charging station through comprehensive analysis of the operation time and the power generation capacity of the photovoltaic power generation equipment, overhaul is timely carried out when the power generation efficiency is abnormal, the dependence of the photovoltaic energy storage power station on power grid power supply is reduced, parameter monitoring in the operation process of the charging equipment is carried out, loss caused by fault operation of the charging equipment is avoided, meanwhile, the use frequency of the charging equipment is analyzed, so that auxiliary analysis on the use of the charging equipment is realized through subjective selection of a user, reminding is generated when the use frequency of some charging equipment is greatly lower than the normal use frequency, and the use safety of the charging equipment is ensured.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The intelligent monitoring system for the safety of the photovoltaic energy storage charging station is characterized by comprising an environment monitoring unit, a cloud management and control unit, a photovoltaic equipment monitoring unit, a discharge equipment monitoring unit, a use monitoring unit and a stability monitoring unit, wherein the environment monitoring unit can collect the environment at the photovoltaic energy storage charging station, acquire environment information, analyze the environment information, generate an environment risk signal and send the environment risk signal to the cloud management and control unit, and the environment information comprises the environment temperature and the air humidity;
the photovoltaic equipment monitoring unit can acquire photovoltaic equipment operation information, analyze the photovoltaic equipment operation information and generate a photovoltaic equipment operation monitoring signal, and send the photovoltaic equipment operation monitoring signal to the cloud management and control unit;
the use monitoring unit can monitor the charging equipment in the charging station, acquire equipment use information and send the equipment use information to the discharge equipment monitoring unit;
the stability monitoring unit can acquire equipment operation information through charging equipment in the charging station, analyze the equipment operation information, generate equipment stability signals according to analysis results, and send the equipment stability signals to the discharge equipment monitoring unit;
after the discharge equipment monitoring unit acquires the equipment use information, analyzing the equipment use information, generating an equipment use signal according to an analysis result, and sending the equipment use signal to the cloud management and control unit;
the cloud management and control unit is used for transmitting and outputting environment risk signals and photovoltaic equipment operation monitoring signals, carrying out cloud analysis after acquiring equipment operation information and equipment use information, and transmitting analysis results to an equipment output end through a network.
2. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 1, wherein when the environment monitoring unit collects the environment temperature, a plurality of different temperature collection points are respectively arranged in the charging station, temperature data and height data of each collection point are obtained from each temperature collection point, the environment monitoring unit takes the floor area of the charging station as the bottom surface, draws a vertical axis upwards, divides different heights into different monitoring planes according to the vertical axis, calculates an average value of the temperature data on each monitoring plane, calculates the average value as arithmetic average, and uses the calculated temperature data as the temperature data on the corresponding monitoring plane;
the environment monitoring unit acquires the same longitudinal axis and bottom surface as the environment temperature, acquires air humidity data on each monitoring plane, calculates an average value of the air humidity data in each monitoring plane in an arithmetic average mode, and takes the average air humidity data in each monitoring plane as the air humidity data of the corresponding monitoring plane.
3. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 2, wherein the environmental monitoring unit obtains temperature data and air humidity data on each monitoring plane, records the vertical axis height of the monitoring plane as H, h=1, 2,3, …, n, records the temperature data on the monitoring plane as T, records the air humidity data on the monitoring plane as R, obtains an environmental risk characteristic value X through formula analysis,wherein q is a preset coefficient, h is a preset high-risk height, the high-risk height is 1 < h < n, the environment monitoring unit compares the environment risk characteristic value X with a preset risk threshold value, and if the environment risk characteristic value X is smallAnd generating an environment risk-free signal at a preset risk threshold value, and generating an environment high risk signal if the environment risk characteristic value X is greater than or equal to the preset risk threshold value.
4. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 3, wherein the photovoltaic equipment operation information acquired by the photovoltaic equipment monitoring unit comprises operation time and energy efficiency, wherein the energy efficiency is electric energy which can be produced by the photovoltaic equipment in unit time, the photovoltaic equipment monitoring unit draws a plane rectangular coordinate system after acquiring the operation time, wherein a horizontal axis is the operation time, a Y-axis is the energy efficiency, the photovoltaic equipment monitoring unit draws a line diagram of the energy efficiency, two points are selected on the line diagram to serve as monitoring sections, two end points of the monitoring sections are respectively drawn towards an X-axis direction to draw vertical lines, areas of a graph formed by the two vertical lines and the X-axis are calculated, the areas are recorded as efficiency areas, the efficiency areas are compared with a preset area threshold, if the efficiency areas are larger than the preset area threshold, an efficiency qualified signal is generated, and if the efficiency areas are smaller than the preset area threshold, an efficiency insufficient signal is generated.
5. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 4, wherein when the usage monitoring unit obtains the equipment usage information of the charging equipment, the charging equipment in use is recorded as operating equipment, the equipment which is not operating is recorded as stationary equipment, the usage monitoring unit obtains the equipment usage information of the charging equipment once every a preset period of time, and the obtained equipment usage information is sent to the discharging equipment monitoring unit.
6. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 5, wherein the equipment operation information acquired by the stability monitoring unit comprises operation power, operation time and operation temperature, the stability monitoring unit records the operation power of the charging equipment as P after acquiring the operation power of the charging equipment, the operation time as t, the equivalent time F is obtained through calculation of a formula f=pt, the operation temperature as H, the equivalent time F is taken as an X axis, the operation temperature H is taken as a Y axis, an operation curve image is drawn, the stability monitoring unit performs curve fitting on the operation temperature H curve in the operation curve image to obtain a straight line segment, the straight line segment is recorded as an approximate temperature rise straight line, the stability monitoring unit calculates the slope of the approximate temperature rise straight line, compares the slope of the approximate temperature rise straight line with a preset slope threshold, generates a qualified temperature rise signal if the slope of the approximate temperature rise straight line is smaller than the preset slope, and generates an over-standard temperature rise signal if the slope of the approximate temperature rise straight line is larger than the preset slope, wherein the qualified temperature rise signal and the over-standard temperature rise signal are equipment stability signals.
7. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 6, wherein the discharging device monitoring unit obtains a device stability signal of the operation device, generates a device high-temperature warning if the device stability signal is a temperature rise exceeding signal, generates a device normal signal if the device stability signal is a temperature rise passing signal, calculates a ratio of a period of time that the charging device is recorded as a stationary device to a total period of time that the charging device is recorded as a stationary device and the operation device, and generates a device normal signal if the ratio is greater than a preset operation ratio, and generates a device idle signal if the ratio is less than a preset operation ratio;
wherein the device high temperature warning, the device normal signal and the device idle signal are device use signals.
8. The cloud platform-based photovoltaic energy storage charging station safety intelligent monitoring system according to claim 7, wherein after the cloud management and control unit obtains the equipment high-temperature warning, alarm information is generated through the cloud management and control unit, after the cloud management and control unit obtains the equipment idle signal, equipment corresponding to the equipment idle signal is sent to an equipment output end, and an equipment maintenance alarm is generated.
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