CN117937698A - Control system of high-power charging power supply - Google Patents
Control system of high-power charging power supply Download PDFInfo
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- CN117937698A CN117937698A CN202410300363.0A CN202410300363A CN117937698A CN 117937698 A CN117937698 A CN 117937698A CN 202410300363 A CN202410300363 A CN 202410300363A CN 117937698 A CN117937698 A CN 117937698A
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- 238000004458 analytical method Methods 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims description 59
- 238000005485 electric heating Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 14
- 230000004308 accommodation Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000007791 dehumidification Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000013178 mathematical model Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010295 mobile communication Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011324 bead Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a control system of a high-power charging power supply, which comprises a plurality of charging power supplies and a master console, wherein the charging power supplies are high-power charging power supplies which are respectively arranged in different areas and supply power to equipment in the different areas, and the control system also comprises an individual operation analysis module, an individual depreciation analysis module and an area master analysis module. The individual operation analysis module and the individual depreciation analysis module are arranged on the single charging power supply terminal and are in data intercommunication with the master console through a fifth generation mobile communication technology, the individual operation analysis module and the individual depreciation analysis module monitor the single charging power supply and analyze and calculate the individual operation influence value and the individual depreciation influence value of the high-power charging power supply according to the past use state of the high-power charging power supply, and the side surfaces of the individual operation influence value and the individual depreciation influence value reflect how the current operation condition and the depreciation state of the high-power charging power supply.
Description
Technical Field
The invention relates to a charging power supply control system, in particular to a control system of a high-power charging power supply.
Background
A high-power charging power supply is a charging device capable of supplying a large current or a large power, and is generally used to provide a charging service for devices requiring a large current or a large power to be charged, such as electric automobiles, electric bicycles, and the like. The power supply can be charged rapidly, the charging efficiency is improved, and the charging time is shortened, so that the use convenience and the cruising ability of the electric automobile are improved. The high-power charging power supply has wide application prospect and market space, and the market demand of the high-power charging power supply is further increased along with the popularization of equipment such as electric automobiles and the continuous increase of charging demands in the future.
With the rapid development and the increasing holding capacity of new energy automobiles, the number of high-power charging power supplies is increased, but because the storage capacity of the high-power charging power supplies is large, the output current and the output voltage are far higher than those of common charging power supplies, the hidden danger caused by the high-power charging power supplies is also increased, a control system in the prior art can generally only control a single high-power charging power supply, a plurality of high-power charging power supplies are difficult to control and monitor simultaneously, and the current and the voltage of the high-power charging power supplies can only be analyzed when the high-power charging power supplies are monitored, so that comprehensive consideration on environment and past data is lacked, the accuracy of analysis results is low, and the overall monitoring and control are difficult.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a plurality of high-power charging power supplies are difficult to control and monitor simultaneously, the accuracy of analysis results is low and the overall monitoring and control are difficult due to the lack of comprehensive consideration on environment and past data, and provides a control system of the high-power charging power supplies.
The aim of the invention can be achieved by the following technical scheme: the control system of the high-power charging power supply comprises a plurality of charging power supplies and a master console, and also comprises an individual operation analysis module, an individual depreciation analysis module and an area master analysis module;
The individual operation analysis module is used for periodically acquiring the output current, the output voltage, the ambient temperature, the internal temperature and the ambient humidity of the target power supply, forming time data sets, simultaneously recording the time corresponding to each time data set, and analyzing and processing each item of data in the time data sets in combination with the corresponding time to respectively obtain the over-value parameters Temperature difference parameter/>Ring humidity parameter/>Individual running impact value/>；
The individual depreciation analysis module is used for periodically acquiring output current, output voltage and temperature difference parameters of a target power supplyCalculating the product of the output current and the output voltage at the same moment to obtain output power, setting a load threshold, recording the moment corresponding to the output power as overload moment when the output power is larger than the load threshold, and calculating the quantity of the overload moment to obtain an overload parameter J; establishing a rectangular coordinate system by taking output power as a y axis and taking time as an x axis, drawing a line graph of the change of the output power at any moment, and calculating the area surrounded by the line graph of the change of the output power and a transverse axis to obtain a total discharge value/>Total discharge value/>Substituted formula/>Calculating to obtain a charge-discharge parameter value N, wherein/>For rated charge capacity of target power supply,/>The electric quantity is protected for the target power supply; calculating the time difference between the current time and the time when the target power supply starts to be used as the using time length T, and recording the temperature difference parameter/>Normalizing the overload parameter J, the charge-discharge parameter N and the use duration T to obtain/>, respectively、/>、/>、/>And substituting formula/>The individual depreciation influence value/>, is obtained by calculation；
The regional total analysis module comprises a regional analysis unit and a control and regulation unit, wherein the regional analysis unit divides a plurality of target power supplies, sets a regional threshold, divides the target power supplies with adjacent distances smaller than the regional threshold into the same region, presets a region radius, defines a circular region by taking any one target power supply position in the same region as the radius of a circle center region as the radius, marks each circular region as a target region, thereby obtaining a plurality of different target regions, analyzes and calculates each target region to obtain a monitoring parameter value of each region, and the control and regulation unit carries out hierarchical monitoring and control on each target region according to the monitoring parameter value.
As a preferred embodiment of the present invention, the individual operation analysis module analyzes and processes each item of data in the time data set as follows:
Step one: setting a current transmission threshold and a voltage transmission threshold, comparing the output current and the output voltage with the current transmission threshold and the voltage transmission threshold respectively, recording the corresponding record time of the output current as the overflow time when the output current is larger than the current transmission threshold, recording the record time when the output voltage is larger than the voltage transmission threshold as the overpressure time, calculating the number of the overpressure time and the overflow time and summing to obtain the total number of the overflow value, calculating the overlapping number of the overpressure time and the overflow time to obtain the weight of the overflow value, subtracting the weight of the overflow value from the total number of the overflow value, and calculating to obtain the parameter of the overflow value ；
Step two: calculating the difference between the current ambient temperature and the internal temperature and taking the absolute value thereof to obtain an internal and external absolute value, setting a temperature difference threshold, recording corresponding recording moments as difference moments when the internal and external absolute values are larger than the temperature difference threshold, recording larger values in the ambient temperature and the internal temperature corresponding to the internal and external absolute values, recording the larger values as temperature difference high values, recording the smaller values as temperature difference low values, establishing a rectangular coordinate system by taking the temperature as a y-axis and the moment as an x-axis, respectively drawing a line graph of the temperature difference high values and the temperature difference low values changing along with the difference moments in the same rectangular coordinate system, and setting a temperature difference thresholdTwo straight lines/>, are drawn in the figure、/>Wherein k is a preset limiting adjustment value, and the temperature difference high value change line diagram in the x definition domain is calculated to be higher than the straight line/>, respectivelyThe area sum and the temperature difference low value change line graph of the part are lower than that of the straight line/>The sum of the areas of the parts is calculated and recorded as the temperature difference parameter/>；
Step three: normalizing the low values of the ambient humidity and the temperature difference and respectively marking as、/>Setting a humidity threshold/>And a low temperature threshold/>Ambient humidity at the present time/>Low temperature difference value/>And a humidity thresholdLow temperature threshold/>Substituted into the formula/>，/>，/>Calculating to obtain the ring humidity parameter/>；
Step four: extracting the over-value parameter, the temperature difference parameter and the ring humidity parameter, and respectively marking the over-value parameter, the temperature difference parameter and the ring humidity parameter as normalization processing、/>、/>Substituted into the formula/>Calculating to obtain individual operation influence value/>。
As a preferred embodiment of the present invention, the process of analyzing and calculating the monitoring parameter value of each target area by the analysis unit is as follows:
Acquiring population number in a target area, occupied area of residential buildings, occupied area of commercial buildings, total number of target power supplies and current individual operation influence value of each target power supply And individual depreciation impact value/>The current output power of each target power supply is divided by the occupied area of the target area to obtain the population density in the target area, and the population density is recorded as the secret parameter value/>; Calculating the occupied areas of residential buildings and commercial buildings in the target area, summing to obtain a commercial accommodation area, dividing the commercial accommodation area by the occupied area of the target area to obtain the commercial accommodation ratio/>; Setting the total number of the target power supplies as n, and setting the current individual operation influence value/>, of each target power supplyAnd individual depreciation impact value/>Output power is denoted as/>, respectively、/>、/>Where i is the label of each target power supply, i=1, 2,3 … … n, will/>、/>、/>Substituted formula/>The total analysis value/>, of the region is obtainedWherein m is a preset weight factor, and the secret parameter value/>The occupancy rate of the commercial accommodation/>Zone total analysis value/>Normalized and substituted into a preset mathematical model/>The calculation is carried out to obtain the monitoring parameter value/>Where e is a natural constant and μ is a predetermined constant coefficient.
As a preferred embodiment of the present invention, the specific manner in which the control unit monitors and controls the target area in a hierarchical manner according to the monitoring parameter is as follows:
S1: setting A, B, C three value intervals, respectively corresponding to three levels of supervision levels, and performing primary supervision on the target area and executing S2 when the value of the monitoring parameter is located in the interval A; when the value of the monitoring parameter value is located in the interval B, performing secondary supervision on the target area and executing S3; when the value of the monitoring parameter value is located in the interval C, performing three-level supervision on the target area and executing S4;
S2: marking a target area as a stable area, marking target power supplies in the target area as good in state, installing a monitoring camera in the target area, monitoring the target power supplies in the target area through the monitoring camera, transmitting a monitoring picture to a master console, and monitoring all the target power supplies in the stable area in good state through the master console;
S3: marking a target area as a hidden danger area, marking target power supplies in the target area as general states, overhauling all the general target power supplies in the hidden danger area, adjusting the storage capacity of each charging power supply to 80% of the initial storage capacity, setting a monitoring sentry post at the same time, dispatching personnel to periodically patrol, and observing the running condition of each target power supply in the hidden danger area;
s4: marking a target area as a vigilance area, marking target power supplies in the target area as state dangers, overhauling all the state dangers of the target power supplies in the vigilance area, setting a depreciation threshold value, replacing the target power supplies with new charging power supplies, setting a monitoring sentry post at the same time, and dispatching personnel to periodically patrol.
As a preferred implementation mode of the invention, the individual operation analysis module further comprises a humidity control adjusting unit, the humidity control adjusting unit comprises a plurality of electric heating pipes, a plurality of ventilation openings are formed in the shell of the charging equipment body, the ventilation openings are uniformly distributed around the shell of the charging equipment body and are divided into an air inlet and an air outlet, the electric heating pipes are arranged in the air inlet, the body is provided with a fan at the air outlet, the body is positioned in the air inlet and is slidably connected with a wind shield, the wind shield is connected with an electric telescopic rod, the electric telescopic rod drives the wind shield to move to shield the air inlet, and the specific dehumidification steps are as follows:
Obtaining ring humidity parameters When the ring humidity parameter/>When the humidity is more than or equal to 0, a fan is started, the fan is operated to blow out, and when the humidity parameter/>When the ring humidity parameter is greater than 0, the electric heating tube is started, the electric heating tube is provided with a first gear and a second gear, and the first gear and the second gear are set according to the ring humidity parameter/>The gear of the electric heating tube is adjusted by taking the value, and when/>When=1, the electrothermal tube is adjusted to the first gear,/>When the electric heating tube is in the second gear position, the electric heating tube is adjusted to be in the second gear position;
Obtaining ambient humidity Ambient humidity/>And Ring humidity parameter/>Substituted into the formula/>Calculating to obtain the bar adjustment value/>According to the lever tuning/>The electric telescopic rod is controlled to stretch so as to adjust the opening size of the air inlet, the stretching length of the electric telescopic rod after adjustment is set to be L, and the stretching length calculation formula is/>Wherein/>、/>、、/>And q are preset calculation factors, pi is the circumference ratio, and the electric telescopic rod is adjusted according to the extension length L to enable the extension length to be L.
Compared with the prior art, the invention has the beneficial effects that:
1. The individual operation analysis module and the individual depreciation analysis module are used for analyzing each charging power supply in the plurality of charging power supplies individually, collecting various operation data of each charging power supply, including output current, output voltage, ambient temperature, internal temperature and ambient humidity, forming a time data set corresponding to each charging power supply, comprehensively analyzing the recorded time, substituting the time data set into a formula to calculate and obtain an individual operation influence value for reflecting the operation stability condition of the target power supply on the side and an individual depreciation influence value for reflecting the depreciation condition caused by the operation of the target power supply on the side, and judging how the equipment condition of each target power supply is so as to intuitively find hidden danger of the equipment condition of each target power supply.
2. The regional analysis unit analyzes individual operation influence values, individual depreciation influence values, population numbers in each region, occupied areas of residential buildings, occupied areas of commercial buildings and total number of target power supplies of each high-power charging power supply, comprehensively analyzes and calculates the regional operation influence values by utilizing a formula, can obtain monitoring parameter values of the corresponding regions, can judge the total operation condition of all the target power supplies in each region and the influence possibly caused in the current region through the monitoring parameter values, and performs hierarchical monitoring and control on the target region according to the monitoring parameter values to extract, prevent and monitor, and effectively avoid some damages to the target region caused by target power supply faults.
3. The humidity control unit is arranged to obtain the ring humidity parameter and the environment humidity, calculate the ring humidity parameter and the environment humidity by substituting the ring humidity parameter and the environment humidity into a formula, and control the electric telescopic rod to push the wind shield to shield the air inlet according to a calculation result, so that the opening size of the air inlet is changed, the entry of humid air is reduced, the air entering the interior is heated and dried by the electric heating tube, a good dry electricity consumption environment is formed in the interior of the target power supply, and the stable and safe operation of the target power supply is ensured.
Drawings
The present invention 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 schematic block diagram of the present invention;
FIG. 2 is a schematic flow chart of an individual operation analysis module according to the present invention.
Detailed Description
The technical solutions of the present invention 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 invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a control system of a high-power charging power supply includes a plurality of charging power supplies and a master console, wherein the charging power supplies are high-power charging power supplies respectively arranged in different areas and used for supplying power to devices in the different areas, and each area has different numbers and types of charging power supplies, and the control system also includes an area master analysis module, an individual depreciation analysis module and an individual operation analysis module. The individual operation analysis module and the individual depreciation analysis module are arranged on a single charging power supply terminal and are in data intercommunication with the master console through a fifth generation mobile communication technology, the individual operation analysis module and the individual depreciation analysis module monitor and analyze the single charging power supply, and each individual charging power supply monitored by the individual operation analysis module and the individual depreciation analysis module is recorded as a target power supply.
The individual operation analysis module periodically acquires output current, output voltage, ambient temperature, internal temperature and ambient humidity of a target power supply, forms time data sets, records the time corresponding to each time data set, sets a current transmission threshold and a voltage transmission threshold, compares the output current and the output voltage with the current transmission threshold and the voltage transmission threshold respectively, records the record time corresponding to the output current as an overflow time when the output current is larger than the current transmission threshold, records the record time when the output voltage is larger than the voltage transmission threshold as an overpressure time, calculates the number of the overpressure time and the overflow time and sums the number to obtain an overflow total number, calculates the number of overlapping of the overpressure time and the overflow time to obtain an overflow weight, subtracts the overflow weight from the overflow total number to obtain an overflow parameter。
The overlapping of the over-voltage time and the over-current time means that the recording time corresponding to the over-voltage time and the recording time corresponding to the over-current time are the same, and at the node corresponding to the recording time, the output current and the output voltage exceed the corresponding set current transmission threshold value and the corresponding set voltage transmission threshold value.
Calculating the difference between the current ambient temperature and the internal temperature and taking the absolute value thereof to obtain an internal and external absolute value, setting a temperature difference threshold, recording corresponding recording moments as difference moments when the internal and external absolute values are larger than the temperature difference threshold, recording larger values in the ambient temperature and the internal temperature corresponding to the internal and external absolute values, recording the larger values as temperature difference high values, recording the smaller values as temperature difference low values, establishing a rectangular coordinate system by taking the temperature as a y-axis and the moment as an x-axis, respectively drawing a line graph of the temperature difference high values and the temperature difference low values changing along with the difference moments in the same rectangular coordinate system, and setting a temperature difference thresholdTwo straight lines are drawn in the figure、/>Wherein k is a preset limiting adjustment value, and the temperature difference high value change line diagram in the x definition domain is calculated to be higher than the straight line/>, respectivelyThe area sum and the temperature difference low value change line graph of the part are lower than that of the straight line/>The sum of the areas of the parts is calculated and recorded as the temperature difference parameter/>。
Normalizing the low values of the ambient humidity and the temperature difference and respectively marking as、/>Setting a humidity thresholdAnd a low temperature threshold/>Ambient humidity at the present time/>Low temperature difference value/>And humidity threshold/>Low temperature threshold/>Substituted into the formula/>，/>，/>Calculating to obtain the ring humidity parameter/>, which is used for judging the influence degree of the current humidity on the target power supplyRing humidity parameter/>And the dehumidification is carried out inside the charging equipment through the humidity control and regulation unit.
It should be noted that, because the outer wall of the internal element of the device is extremely easy to form liquid water drops and water mist when the humidity increasing temperature becomes low, dehumidification can be performed inside the charging device to effectively prevent liquefaction of water vapor, so that circuit short circuit inside the charging device caused by internal water vapor condensation of the device due to low humidity increasing temperature is avoided as much as possible.
Establish wet accuse and transfer unit and include a plurality of electrothermal tubes, a plurality of vents have been seted up to charging equipment body shell, a plurality of vents evenly distributed is around the body shell, the vent divide into air inlet and gas outlet, the electrothermal tube is installed in the air inlet, air inlet quantity is the same with electrothermal tube quantity, all install an electrothermal tube in every air inlet, the body is located the gas outlet and is equipped with the fan, the body is located the air inlet sliding connection has the deep bead, the deep bead is connected with electric telescopic handle, electric telescopic handle drive deep bead activity shelters from the air inlet. The specific dehumidification steps are as follows:
Obtaining ring humidity parameters When the ring humidity parameter/>When the humidity is greater than or equal to 0, a fan is started, the fan is operated to blow out and form negative pressure in the body, so that external air is sucked from the air inlet, and when the humidity parameter/>When the output power of the electric heating tube is 40% of rated power, the output power of the electric heating tube is 80% of rated power, and the electric heating tube is set to be in a first gear and in a second gear respectively, and the electric heating tube is set to be in a second gear, wherein the output power of the electric heating tube is 80% of rated power, and the electric heating tube is set to be in a third gear according to the ring humidity parameter/>The gear of the electric heating tube is adjusted by taking the value, and when/>When=1, the electrothermal tube is adjusted to the first gear,/>When the electric heating tube is in the second gear position, the electric heating tube is adjusted to be in the second gear position;
Obtaining ambient humidity Ambient humidity/>And Ring humidity parameter/>Substituted into the formula/>Calculating to obtain the bar adjustment value/>According to the lever tuning/>The electric telescopic rod is controlled to stretch so as to adjust the opening size of the air inlet, the stretching length of the electric telescopic rod after adjustment is set to be L, and the stretching length calculation formula is/>Wherein/>、/>、、/>And q are preset calculation factors, pi is the circumference ratio, and the electric telescopic rod is adjusted according to the extension length L to enable the extension length to be L.
The electric telescopic rod pushes the wind shield to shield the air inlet, so that the opening size of the air inlet is changed, the opening area of the air inlet is reduced along with the increase of the length of the extension of the electric telescopic rod, and therefore, when the humidity rises along with the increase of the humidity and the ring humidity parameter becomes large, namely, when the current environment where the target power supply is located is high in humidity and liquid water drops and water mist are easy to form, the caliber of the air inlet can be reduced by the telescopic rod in a self-adaptive manner, the entering of moist air is reduced, and the air entering the inside is heated and dried through the electric heating tube, so that a good dry electricity utilization environment is formed inside the target power supply, and the stable and safe operation of the target power supply is ensured.
Extracting the over-value parameter, the temperature difference parameter and the ring humidity parameter, and respectively marking the over-value parameter, the temperature difference parameter and the ring humidity parameter as normalization processing、/>、/>Substituted into the formula/>Calculating to obtain individual operation influence value/>。
It should be noted that, the individual operation influence value is calculated by the excess value parameter, the temperature difference parameter and the ring humidity parameter, and the excess value parameter can reflect the influence condition of the current voltage on the operation stability of the target power supply when the device is charged, the temperature difference parameter can reflect the influence condition of the internal and external temperature difference of the target power supply on the operation stability of the target power supply, the ring humidity parameter can reflect the influence condition of the humidity in the environment where the target power supply is located on the operation stability of the target power supply, and the individual operation influence value is in direct proportion to the three parameters, so that the size of the individual operation influence value can laterally reflect the operation stability of the target power supply, and when the individual operation influence value is larger, the operation stability of the target power supply is poorer, otherwise, the operation stability of the target power supply is better.
The individual depreciation analysis module is used for periodically acquiring output current, output voltage and temperature difference parameters of a target power supplyCalculating the product of the output current and the output voltage at the same moment to obtain output power, setting a load threshold, recording the moment corresponding to the output power as overload moment when the output power is larger than the load threshold, and calculating the quantity of the overload moment to obtain an overload parameter J; establishing a rectangular coordinate system by taking output power as a y axis and taking time as an x axis, drawing a line graph of the change of the output power at any moment, and calculating the area surrounded by the line graph of the change of the output power and a transverse axis to obtain a total discharge value/>Total discharge value/>Substituted formula/>Calculating to obtain a charge-discharge parameter value N, wherein/>For rated charge capacity of target power supply,/>For protecting the electric quantity of the target power supply, the target power supply is lower than/>Stopping outputting the current outwards; calculating the time difference between the current time and the time when the target power supply starts to be used as the using time length T, and recording the temperature difference parameter/>Normalizing the overload parameter J, the charge-discharge parameter N and the use duration T to obtain/>, respectively、/>、/>、/>Substituted into formulaThe individual depreciation influence value/>, is obtained by calculation。
It should be noted that, in order to keep the power supply with a good service life, the high-power charging power supply is generally provided with a low-voltage protection to prevent the service life of the power supply from seriously attenuating due to the discharge of the power supply feed, so that the voltage of the power supply is reduced and the low-voltage protection is triggered after the power supply is lower than the protection electric quantity, when the power supply control system performs the low-voltage protection, a circuit between the target power supply and the charging equipment is cut off, and the discharge is automatically stopped until the electric quantity of the target power supply is recovered to a normal level.
The regional total analysis module comprises a regional analysis unit and a control and regulation unit, wherein the regional analysis unit divides a plurality of target power supplies, sets a regional threshold, divides the target power supplies with adjacent distances smaller than the regional threshold into the same region, presets a region radius, defines a circular region by taking any one target power supply position in the same region as the radius of a circle center region as the radius, marks each circular region as a target region, thereby obtaining a plurality of different target regions, analyzes and calculates each target region to obtain a monitoring parameter value of each region, and the control and regulation unit carries out hierarchical monitoring and control on each target region according to the monitoring parameter value.
It should be noted that, when the nearest target power source around an individual target power source is also outside its zone threshold distance range, the target power source individually belongs to a target area, so that any one of the plurality of target power sources can find a target area including the target power source.
The process of analyzing and calculating the monitoring parameter value of each target area by the analysis unit is as follows:
Acquiring population number in a target area, occupied area of residential buildings, occupied area of commercial buildings, total number of target power supplies and current individual operation influence value of each target power supply And individual depreciation impact value/>The current output power of each target power supply is divided by the occupied area of the target area to obtain the population density in the target area, and the population density is recorded as the secret parameter value/>; Calculating the occupied areas of residential buildings and commercial buildings in the target area, summing to obtain a commercial accommodation area, dividing the commercial accommodation area by the occupied area of the target area to obtain the commercial accommodation ratio/>; Setting the total number of the target power supplies as n, and setting the current individual operation influence value/>, of each target power supplyAnd individual depreciation impact value/>Output power is denoted as/>, respectively、/>、/>Where i is the label of each target power supply, i=1, 2,3 … … n, will/>、/>、/>Substituted formula/>The total analysis value/>, of the region is obtainedWherein m is a preset weight factor. Secret parameter value/>The occupancy rate of the commercial accommodation/>Zone total analysis value/>Normalized and substituted into a preset mathematical model/>The calculation is carried out to obtain the monitoring parameter value/>Where e is a natural constant and μ is a predetermined constant coefficient.
The specific mode of the control unit for carrying out hierarchical monitoring and control on the target area according to the monitoring parameter value is as follows:
S1: setting A, B, C three value intervals, respectively corresponding to three levels of supervision levels, and performing primary supervision on the target area and executing S2 when the value of the monitoring parameter is located in the interval A; when the value of the monitoring parameter value is located in the interval B, performing secondary supervision on the target area and executing S3; and when the value of the monitoring parameter value is positioned in the interval C, performing three-level supervision on the target area and executing S4.
It should be noted that, the three value intervals of A, B, C are connected end to cover the value range of the monitoring parameter, the median of the two end values of the interval a is smaller than the median of the two end values of the interval B, and the median of the two end values of the interval B is smaller than the median of the two end values of the interval C.
S2: the method comprises the steps of marking a target area as a stable area, marking target power supplies in the target area as good in state, installing a monitoring camera in the target area, monitoring the target power supplies in the target area through the monitoring camera, transmitting a monitoring picture to a master console, and monitoring all the target power supplies in the stable area in good state through the master console.
S3: the method comprises the steps of marking a target area as a hidden danger area, marking target power supplies in the target area as general states, overhauling all the general target power supplies in the hidden danger area, adjusting the storage capacity of each charging power supply to 80% of the initial storage capacity, setting a monitoring sentry post, dispatching personnel to periodically patrol, and observing the running condition of each target power supply in the hidden danger area.
S4: marking a target area as a vigilance area, marking target power supplies in the target area as state dangers, overhauling all the state dangers of the target power supplies in the vigilance area, setting a depreciation threshold value, replacing the target power supplies with new charging power supplies, setting a monitoring sentry post at the same time, and dispatching personnel to periodically patrol.
When the invention is used, any one of a plurality of high-power charging power supplies controlled by a control system can be monitored in real time, comprehensive analysis is carried out according to the past use state of the high-power charging power supply, the individual operation influence value and the individual depreciation influence value of the high-power charging power supply are obtained by calculation through a formula, and the current operation condition and the current depreciation state of the high-power charging power supply can be reflected by the individual operation influence value and the individual depreciation influence value; the system can divide, manage and control the plurality of high-power charging power supplies according to the areas, comprehensively analyze and calculate the monitoring parameter values of the corresponding areas by utilizing formulas according to the individual operation influence values and individual depreciation influence values of the high-power charging power supplies in each area, population quantity in each area, occupied area of residential buildings, occupied area of commercial buildings and total number of target power supplies, and then monitor and control each target area in a grading manner according to the monitoring parameter values by utilizing a control and regulation unit, thereby effectively solving the problem that the existing control system cannot effectively increase the quantity of the high-power charging power supplies.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention 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 invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The control system of the high-power charging power supply comprises a plurality of charging power supplies and a master console, and is characterized by further comprising an individual operation analysis module, an individual depreciation analysis module and an area master analysis module;
The individual operation analysis module is used for periodically acquiring the output current, the output voltage, the ambient temperature, the internal temperature and the ambient humidity of the target power supply, forming time data sets, simultaneously recording the time corresponding to each time data set, and analyzing and processing each item of data in the time data sets in combination with the corresponding time to respectively obtain the over-value parameters Temperature difference parameter/>Ring humidity parameter/>Individual running impact value/>；
The individual depreciation analysis module is used for periodically acquiring output current, output voltage and temperature difference parameters of a target power supplyCalculating the product of the output current and the output voltage at the same moment to obtain output power, setting a load threshold, recording the moment corresponding to the output power as overload moment when the output power is larger than the load threshold, and calculating the quantity of the overload moment to obtain an overload parameter J; establishing a rectangular coordinate system by taking output power as a y axis and taking time as an x axis, drawing a line graph of the change of the output power at any moment, and calculating the area surrounded by the line graph of the change of the output power and a transverse axis to obtain a total discharge value/>Total discharge valueSubstituted formula/>Calculating to obtain a charge-discharge parameter value N, wherein/>For rated charge capacity of target power supply,/>The electric quantity is protected for the target power supply; calculating the time difference between the current time and the time when the target power supply starts to be used as the using time length T, and recording the temperature difference parameter/>Normalizing the overload parameter J, the charge-discharge parameter N and the use duration T to obtain/>, respectively、/>、/>、/>And substituting formula/>The individual depreciation influence value/>, is obtained by calculation；
The regional total analysis module comprises a regional analysis unit and a control and regulation unit, wherein the regional analysis unit divides a plurality of target power supplies, sets a regional threshold, divides the target power supplies with adjacent distances smaller than the regional threshold into the same region, presets a region radius, defines a circular region by taking any one target power supply position in the same region as the radius of a circle center region as the radius, marks each circular region as a target region, thereby obtaining a plurality of different target regions, analyzes and calculates each target region to obtain a monitoring parameter value of each region, and the control and regulation unit carries out hierarchical monitoring and control on each target region according to the monitoring parameter value.
2. The control system of a high-power charging source according to claim 1, wherein the individual operation analysis module performs the following steps for analyzing each item of data in the time data set:
Step one: setting a current transmission threshold and a voltage transmission threshold, comparing the output current and the output voltage with the current transmission threshold and the voltage transmission threshold respectively, recording the corresponding record time of the output current as the overflow time when the output current is larger than the current transmission threshold, recording the record time when the output voltage is larger than the voltage transmission threshold as the overpressure time, calculating the number of the overpressure time and the overflow time and summing to obtain the total number of the overflow value, calculating the overlapping number of the overpressure time and the overflow time to obtain the weight of the overflow value, subtracting the weight of the overflow value from the total number of the overflow value, and calculating to obtain the parameter of the overflow value ；
Step two: calculating the difference between the current ambient temperature and the internal temperature and taking the absolute value thereof to obtain an internal and external absolute value, setting a temperature difference threshold, recording corresponding recording moments as difference moments when the internal and external absolute values are larger than the temperature difference threshold, recording larger values in the ambient temperature and the internal temperature corresponding to the internal and external absolute values, recording the larger values as temperature difference high values, recording the smaller values as temperature difference low values, establishing a rectangular coordinate system by taking the temperature as a y-axis and the moment as an x-axis, respectively drawing a line graph of the temperature difference high values and the temperature difference low values changing along with the difference moments in the same rectangular coordinate system, and setting a temperature difference thresholdTwo straight lines/>, are drawn in the figure、/>Wherein k is a preset limiting adjustment value, and the temperature difference high value change line diagram in the x definition domain is calculated to be higher than the straight line/>, respectivelyThe area sum and the temperature difference low value change line graph of the part are lower than that of the straight line/>The sum of the areas of the parts is calculated and recorded as the temperature difference parameter/>；
Step three: normalizing the low values of the ambient humidity and the temperature difference and respectively marking as、/>Setting a humidity threshold/>And a low temperature threshold/>Ambient humidity at the present time/>Low temperature difference value/>And humidity threshold/>Low temperature threshold/>Substituted into the formula/>，/>，/>Calculating to obtain the ring humidity parameter/>；
Step four: extracting the over-value parameter, the temperature difference parameter and the ring humidity parameter, and respectively marking the over-value parameter, the temperature difference parameter and the ring humidity parameter as normalization processing、/>、/>Substituted into the formula/>Calculating to obtain individual operation influence value。
3. The control system of a high-power charging source according to claim 1, wherein the process of analyzing and calculating the monitoring parameter value of each target area by the analyzing unit is as follows:
Acquiring population number in a target area, occupied area of residential buildings, occupied area of commercial buildings, total number of target power supplies and current individual operation influence value of each target power supply And individual depreciation impact value/>The current output power of each target power supply is divided by the occupation area of the target area to obtain the population density in the target area, and the population density is recorded as a secret parameter value; Calculating the occupied areas of residential buildings and commercial buildings in the target area, summing to obtain a commercial accommodation area, dividing the commercial accommodation area by the occupied area of the target area to obtain the commercial accommodation ratio/>; Setting the total number of the target power supplies as n, and setting the current individual operation influence value/>, of each target power supplyAnd individual depreciation impact value/>Output power is denoted as/>, respectively、/>、/>Where i is the label of each target power supply, i=1, 2,3 … … n, will/>、/>、/>Substituted formula/>The total analysis value/>, of the region is obtainedWherein m is a preset weight factor, and the secret parameter value/>The occupancy rate of the commercial accommodation/>Zone total analysis value/>Normalized and substituted into a preset mathematical model/>The calculation is carried out to obtain the monitoring parameter value/>Where e is a natural constant and μ is a predetermined constant coefficient.
4. A control system of a high-power charging source according to claim 3, wherein the specific manner of the control unit for performing hierarchical monitoring and control on the target area according to the monitoring parameter is as follows:
S1: setting A, B, C three value intervals, respectively corresponding to three levels of supervision levels, and performing primary supervision on the target area and executing S2 when the value of the monitoring parameter is located in the interval A; when the value of the monitoring parameter value is located in the interval B, performing secondary supervision on the target area and executing S3; when the value of the monitoring parameter value is located in the interval C, performing three-level supervision on the target area and executing S4;
S2: marking a target area as a stable area, marking target power supplies in the target area as good in state, installing a monitoring camera in the target area, monitoring the target power supplies in the target area through the monitoring camera, transmitting a monitoring picture to a master console, and monitoring all the target power supplies in the stable area in good state through the master console;
S3: marking a target area as a hidden danger area, marking target power supplies in the target area as general states, overhauling all the general target power supplies in the hidden danger area, adjusting the storage capacity of each charging power supply to 80% of the initial storage capacity, setting a monitoring sentry post at the same time, dispatching personnel to periodically patrol, and observing the running condition of each target power supply in the hidden danger area;
s4: marking a target area as a vigilance area, marking target power supplies in the target area as state dangers, overhauling all the state dangers of the target power supplies in the vigilance area, setting a depreciation threshold value, replacing the target power supplies with new charging power supplies, setting a monitoring sentry post at the same time, and dispatching personnel to periodically patrol.
5. The control system of a high-power charging power supply according to claim 2, wherein the individual operation analysis module further comprises a humidity control adjusting unit, the humidity control adjusting unit comprises a plurality of electric heating pipes, the charging equipment body shell is provided with a plurality of ventilation openings, the ventilation openings are uniformly distributed around the body shell and are divided into an air inlet and an air outlet, the electric heating pipes are arranged in the air inlet, the body is provided with a fan at the air outlet, the body is positioned in the air inlet and is slidably connected with a wind shield, the wind shield is connected with an electric telescopic rod, the electric telescopic rod drives the wind shield to move to shield the air inlet, and the specific dehumidification steps are as follows:
Obtaining ring humidity parameters When the ring humidity parameter/>When the humidity is more than or equal to 0, a fan is started, the fan is operated to blow out, and when the humidity parameter/>When the ring humidity parameter is greater than 0, the electric heating tube is started, the electric heating tube is provided with a first gear and a second gear, and the first gear and the second gear are set according to the ring humidity parameter/>The gear of the electric heating tube is adjusted by taking the value, and when/>When=1, the electrothermal tube is adjusted to the first gear,/>When the electric heating tube is in the second gear position, the electric heating tube is adjusted to be in the second gear position;
Obtaining ambient humidity Ambient humidity/>And Ring humidity parameter/>Substituted into the formula/>Calculating to obtain the bar adjustment value/>According to the lever tuning/>The electric telescopic rod is controlled to stretch so as to adjust the opening size of the air inlet, the stretching length of the electric telescopic rod after adjustment is set to be L, and the stretching length calculation formula is/>Wherein/>、/>、/>、And q are preset calculation factors, pi is a circumference ratio, and the electric telescopic rod is adjusted according to the extension length L.
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