CN116331039B - Management system based on parking area energy storage type solar charging equipment - Google Patents
Management system based on parking area energy storage type solar charging equipment Download PDFInfo
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- 238000004146 energy storage Methods 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 96
- 238000004891 communication Methods 0.000 claims abstract description 40
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000011156 evaluation Methods 0.000 claims description 22
- 230000003993 interaction Effects 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 8
- 238000012790 confirmation Methods 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
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- 238000010248 power generation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
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- 238000012935 Averaging Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
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Classifications
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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
-
- 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
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention provides a management system based on parking lot energy storage type solar charging equipment, which comprises: the local measurement module is used for monitoring the charging condition of the battery pack and obtaining monitoring information; the data communication module is used for transmitting the monitoring information to the central control module based on the target communication link; the central management module is used for receiving and analyzing the monitoring information, generating a first instruction and a second instruction based on the analysis result, displaying the monitoring information based on the first instruction, and transmitting the second instruction to the target processor to regulate and control the battery pack. The stable charging effect of the battery pack is guaranteed, the battery is enabled to work in an optimal state, the purposes of prolonging the service life of the battery and reducing the running cost are achieved, and the reliability of the battery pack is further improved.
Description
Technical Field
The invention relates to the technical field of solar charging monitoring of parking lots, in particular to a management system based on energy storage type solar charging equipment of a parking lot.
Background
At present, a safe, reliable, noise-free and pollution-free energy storage type solar charging station is established in each large parking lot by combining solar power generation with a common power grid power taking method, so that the aims of stably charging an electric vehicle and realizing energy conservation and emission reduction are fulfilled. Therefore, the electric power system can support the effective utilization of electric power in the low valley of the national power grid, can rapidly charge the electric automobile, and does not form safety threat to the power grid during rapid charging;
however, there is no good management system for charging the solar battery in the parking lot, so that the solar battery in the parking lot cannot reach the optimal state, and therefore, the invention provides a management system based on the energy storage type solar charging equipment in the parking lot.
Disclosure of Invention
The invention provides a management system based on parking lot energy storage type solar charging equipment, which is used for monitoring the charging state of a battery pack, analyzing and processing monitoring information obtained by monitoring, realizing accurate and effective grasp of the charging condition of the battery pack according to the monitoring information, simultaneously facilitating real-time regulation and control of the charging process of the battery pack, guaranteeing the stable charging effect of the battery pack, ensuring that the battery works in an optimal state, achieving the purposes of prolonging the service life and reducing the running cost, and further improving the reliability of the battery pack.
A management system based on a parking lot energy storage type solar charging device, comprising:
the local measurement module is used for monitoring the charging condition of the battery pack and obtaining monitoring information;
the data communication module is used for transmitting the monitoring information to the central control module based on the target communication link;
the central management module is used for receiving and analyzing the monitoring information, generating a first instruction and a second instruction based on the analysis result, displaying the monitoring information based on the first instruction, and transmitting the second instruction to the target processor to regulate and control the battery pack.
Preferably, a management system based on parking area energy storage type solar charging equipment, local measurement module includes:
the battery initializing unit is used for initializing the system before charging the battery pack and obtaining initialization monitoring data;
the battery data acquisition unit is used for acquiring state parameter data of the battery pack in real time;
the charging data acquisition unit is used for acquiring the target charging electric quantity of the battery pack for charging the target automobile in the parking lot in real time and updating charging and charging data according to the target charging electric quantity;
and the summarizing unit is used for summarizing the initialized monitoring data, the state parameter data of the battery pack and the charging and billing data, so as to realize the acquisition of the monitoring information.
Preferably, a management system based on parking area energy storage type solar charging equipment, characterized in that, central management module includes: the system comprises a battery management unit, an interaction management unit and a communication management unit;
and a battery management unit for managing battery state information of the battery pack and charging billing data of the battery pack, wherein the battery management unit includes: a battery state management subunit and a charging billing management subunit;
the battery state management subunit is used for reading and analyzing the initialization monitoring data of the battery pack and the state parameter data of the battery pack, generating a first state group, and transmitting the first state group to the interaction management unit for first display based on a first instruction;
the charging and billing management subunit is used for reading and analyzing the charging and billing data, generating a second state group, and transmitting the second state group to the interaction management unit for second display based on the first instruction;
and the interaction management unit is used for receiving and displaying the first state group and the second state group, generating a second instruction when the battery pack needs to be regulated and controlled, packaging the second instruction based on the communication management unit and transmitting the second instruction to the target processor based on the communication link to execute regulation and control on the battery pack.
Preferably, a management system based on parking area energy storage type solar charging equipment, characterized in that, battery state management subunit includes:
the equalization management terminal is used for reading and analyzing the total voltage data of the battery pack and the voltage data of the single cells, and controlling the target device to charge the battery pack based on the target processor when the voltage data reach the target condition;
the electric quantity estimation terminal is used for estimating the charge quantity of the battery pack for charging the target vehicle and obtaining the target charge quantity of the battery pack for charging the target vehicle;
the temperature monitoring end is used for reading the temperature data of the battery pack in real time, generating an alarm instruction when the temperature data reaches a preset temperature threshold value, and controlling the alarm device to perform alarm operation based on the target processor.
Preferably, a management system based on parking area energy storage type solar charging equipment, its characterized in that, balanced management end includes:
the curve drawing sub-end is used for obtaining the dynamic total voltage of the battery pack when the battery pack is in an equilibrium state, drawing a first dynamic curve based on the change state of the dynamic total voltage, obtaining the dynamic single voltage of each single cell in the battery pack, and drawing a plurality of second dynamic curves based on the change state of the plurality of dynamic single voltages;
and the target condition confirmation sub-end is used for overlapping the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, respectively determining a plurality of target distances of the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, calculating a target average value of the plurality of target distances, determining a corresponding reference voltage threshold value according to the target average value, and determining a target condition based on the reference voltage threshold value.
Preferably, a management system based on parking area energy storage type solar charging equipment, its characterized in that, target condition confirms the sub-end, still includes:
the monitoring sub-end is used for monitoring the total voltage of the current battery pack in real time to obtain the real-time total voltage of the current battery pack, and monitoring the single voltage of each battery in the current battery pack to obtain the real-time single voltage of each battery in the current battery pack;
the judging sub-end is used for acquiring a target difference value between the real-time total voltage and the real-time single voltage, comparing the target difference value with a reference voltage threshold value and judging whether the current battery pack reaches a target condition or not;
when the target difference value is smaller than or equal to the reference voltage threshold value, judging that the current battery pack reaches a target condition, and controlling the target device to charge the battery pack based on the target processor;
otherwise, judging that the current battery pack does not reach the target condition, and regulating and controlling the single voltage of each battery in the current battery pack until the target condition is met.
Preferably, a management system based on parking area energy storage type solar charging equipment, its characterized in that, electric quantity estimation end includes:
the initial electric quantity obtaining sub-terminal is used for obtaining initial electric quantity before the battery pack charges the target automobile;
the residual electric quantity estimation sub-end is used for estimating the residual electric quantity of the battery pack and obtaining the residual electric quantity of the battery pack;
and a target charge amount confirmation sub-terminal for estimating a target charge amount by which the battery pack charges the target vehicle based on the initial charge amount and the remaining charge amount.
Preferably, a management system based on parking area energy storage type solar charging equipment, its characterized in that, remaining electric quantity estimates the sub-end, includes:
the influence factor obtaining sub-terminal is configured to obtain an influence factor for estimating a remaining capacity of the battery pack, where the influence factor includes: voltage-influencing factors, current-influencing factors and temperature-influencing factors;
the electric quantity estimation coefficient determining sub-end is used for acquiring electric quantity influence weights corresponding to all influence factors and determining electric quantity estimation coefficients based on all influence factors and the electric quantity influence weights corresponding to all influence factors;
and the residual electric quantity estimation sub-end is used for reading the voltage value of the current battery pack, the circuit current of the battery pack and the temperature value of the battery pack based on the influence factors, estimating the electric quantity of the battery pack based on the electric quantity estimation coefficient and determining the residual electric quantity of the battery pack.
Preferably, a management system based on parking area energy storage type solar charging equipment, which is characterized in that the data communication module includes:
the address acquisition unit is used for acquiring a first end address of a monitoring end for monitoring the charging condition of the battery pack and determining a second end address of the central management end;
a target communication link generation unit configured to:
when information communication is carried out, a first transmission direction of a monitoring end reaching a central management end is obtained, a first directed link identifier is generated based on the first transmission direction, a first end address and a second end address, and a first communication link is generated according to the first directed link identifier;
and simultaneously, acquiring a second transmission direction of the central management end reaching the monitoring end, generating a second directed link identifier based on the second transmission direction, the second end address and the first end address, and generating a second communication link according to the second directed link identifier.
Preferably, a management system based on parking area energy storage type solar charging equipment, characterized in that, central management module still includes:
the filling factor calculating unit is used for obtaining the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit based on the monitoring information, and calculating the filling factor of the battery pack according to the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit;
a work efficiency calculation unit for calculating the work efficiency of the battery pack based on the filling factor of the battery pack;
the evaluation unit is used for evaluating the working performance of the battery pack according to the filling factor of the battery pack and the working efficiency of the battery pack, and obtaining an evaluation value of the working performance of the battery pack;
comparing the evaluation value of the working performance of the battery pack with a set evaluation threshold value to judge whether the working performance of the battery pack is good or not;
when the evaluation value of the working performance of the battery pack is smaller than or equal to a set evaluation threshold value, the working performance of the battery pack is judged to be good; otherwise, the working performance of the battery pack is judged to be poor.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a structural diagram of a management system based on a parking lot energy storage type solar charging device in an embodiment of the invention;
fig. 2 is a diagram illustrating a local measurement module in a management system based on a parking lot energy storage type solar charging device according to an embodiment of the present invention;
fig. 3 is a block diagram of a data communication module in a management system based on a parking lot energy storage type solar charging device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1:
a management system based on parking lot energy storage type solar charging equipment, as shown in fig. 1, comprises:
the local measurement module is used for monitoring the charging condition of the battery pack and obtaining monitoring information;
the data communication module is used for transmitting the monitoring information to the central control module based on the target communication link;
the central management module is used for receiving and analyzing the monitoring information, generating a first instruction and a second instruction based on the analysis result, displaying the monitoring information based on the first instruction, and transmitting the second instruction to the target processor to regulate and control the battery pack.
In this embodiment, the monitoring information may include: the monitoring data (such as whether the battery pack is stable or not through self-checking of the current and voltage values, so as to determine whether the battery pack can be charged normally) and the state parameter information (such as total voltage of the battery pack, single-cell voltage, battery temperature, and charging and discharging current of the battery pack) of the battery pack, the charging electric quantity monitoring information and charging data information corresponding to the charging electric quantity are initialized.
In this embodiment, the target communication link may be configured to transmit the obtained monitoring information to the central management module.
In this embodiment, the first instruction may be to control the display device to display the obtained monitoring information, for example, may include: firstly, initializing monitoring data display, namely monitoring information when whether the battery pack can be normally charged; secondly, displaying battery pack state parameters, namely displaying the total voltage of the battery pack, the single cell voltage, the battery temperature and the state parameters of the charge and discharge current of the battery pack; thirdly, displaying the charging electric quantity and charging data.
In this embodiment, the monitoring information may be analyzed, for example, by analyzing the initialization monitoring data respectively (for example, whether the voltage output or the current output of the battery pack is uniform, when the voltage output or the current output of the battery pack is not uniform, it is determined that the battery pack cannot work normally, otherwise, it is determined that the battery pack can work normally), analyzing the state parameter information of the battery pack (for example, analyzing whether the battery pack has conditions such as overvoltage and undervoltage, or analyzing temperature data, determining whether the battery pack has conditions such as over-high temperature during charging), and analyzing the charging electric quantity and charging data, thereby determining the use condition of the energy storage solar cell in the parking lot.
In this embodiment, the second instruction is used to regulate and control the charging state of the battery pack, so as to ensure that each single cell can be charged stably and effectively, and the second instruction may be used to regulate and control the operation of the battery pack based on the target processor, for example, when the battery pack cannot be charged normally in the monitoring result after the analysis of the initialized monitoring data, perform operations such as voltage stabilization and current stabilization on the battery pack; when the state parameters of the battery pack have the conditions of overvoltage and undervoltage, the voltage of the battery pack is regulated, when the electric quantity of the battery pack is insufficient, the battery is used for supplying power and the like, or when the charging data are not consistent with the payment data, the alarm and the like are carried out, and in combination, the second instruction is an instruction set for regulating and controlling the battery pack in various modes.
In this embodiment, the target processor is set in advance, and is used to regulate the charging process of the battery pack.
In the embodiment, the direct current generated by the solar cell module charges the storage battery through the intelligent manager under the irradiation of sunlight in daytime; the electric energy of the storage battery (battery pack) can be directly used for charging the direct current load, and can be converted into alternating current through the inverter for the alternating current load to use. The power generation system fully utilizes solar energy resources.
The beneficial effects of the technical scheme are as follows: the charging state of the battery pack is monitored, and the monitoring information obtained by monitoring is analyzed and processed, so that the charging condition of the battery pack is accurately and effectively mastered according to the monitoring information, the charging process of the battery pack is conveniently regulated and controlled in real time, the stable charging effect of the battery pack is ensured, the battery is enabled to work in the optimal state, the purposes of prolonging the service life of the battery and reducing the running cost are achieved, and the reliability of the battery pack is further improved.
Example 2:
on the basis of embodiment 1, this embodiment provides a management system based on parking area energy storage type solar charging equipment, as shown in fig. 2, a local measurement module includes:
the battery initializing unit is used for initializing the system before charging the battery pack and obtaining initialization monitoring data;
the battery data acquisition unit is used for acquiring state parameter data of the battery pack in real time;
the charging data acquisition unit is used for acquiring the target charging electric quantity of the battery pack for charging the target automobile in the parking lot in real time and updating charging and charging data according to the target charging electric quantity;
and the summarizing unit is used for summarizing the initialized monitoring data, the state parameter data of the battery pack and the charging and billing data, so as to realize the acquisition of the monitoring information.
In this embodiment, the system initialization may be to initialize each configuration parameter of the current charging system before the battery pack is charged, so that the current system is convenient to accurately and effectively grasp the real-time charging condition of the battery pack, and meanwhile, the system initialization further includes performing self-checking on the battery pack before charging, so as to ensure normal charging of the battery pack.
In this embodiment, the initialization monitoring data may be monitoring data obtained after monitoring a charging condition after the battery pack starts to be charged after the system is initialized.
In this embodiment, the state parameter data may be monitoring data obtained after the battery pack is monitored in real time during the charging process of the battery pack, and specifically may be total battery pack voltage, single cell voltage, battery temperature, charging and discharging current of the battery pack, and the like.
In this embodiment, the target charge amount may be a charge amount of the battery pack that needs to charge the target vehicle.
In this embodiment, the charging billing data may be a fee per charge or per unit time representing the vehicle in the parking lot passing through the battery pack.
The beneficial effects of the technical scheme are as follows: the system is initialized, so that the initialized monitoring data of the battery pack are accurately and effectively acquired, the battery pack is monitored in real time, the state parameter data of the battery pack are effectively acquired, and finally, the charging and billing data are acquired by analyzing the charging electric quantity of the battery pack, so that the comprehensiveness of monitoring information acquisition is guaranteed, and the guarantee is provided for stably and effectively charging the energy storage type solar charging equipment of the parking lot.
Example 3:
on the basis of embodiment 1, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and central management module includes: the system comprises a battery management unit, an interaction management unit and a communication management unit;
and a battery management unit for managing battery state information of the battery pack and charging billing data of the battery pack, wherein the battery management unit includes: a battery state management subunit and a charging billing management subunit;
the battery state management subunit is used for reading and analyzing the initialization monitoring data of the battery pack and the state parameter data of the battery pack, generating a first state group, and transmitting the first state group to the interaction management unit for first display based on a first instruction;
the charging and billing management subunit is used for reading and analyzing the charging and billing data, generating a second state group, and transmitting the second state group to the interaction management unit for second display based on the first instruction;
and the interaction management unit is used for receiving and displaying the first state group and the second state group, generating a second instruction when the battery pack needs to be regulated and controlled, packaging the second instruction based on the communication management unit and transmitting the second instruction to the target processor based on the communication link to execute regulation and control on the battery pack.
In this embodiment, the first state group may be a monitoring data group that is obtained by associating and corresponding the initialized monitoring data of the battery pack with the state parameter data of the battery pack and is capable of representing the state of the battery.
In this embodiment, the first display may be to display the obtained initialization monitoring data and state parameter data of the battery pack.
In this embodiment, the second state group may be a specific value case corresponding to the charging billing data.
In this embodiment, the second display may be a display of a specific value condition corresponding to the charging and billing data.
In this embodiment, the generation of the second instruction may be that the system automatically generates the second instruction, so that instruction display is performed through the interaction management unit, or may be that a user performs operation through the interaction display interface, so as to implement generation of the second instruction.
The beneficial effects of the technical scheme are as follows: the acquired battery state information and charging billing data are processed and realistic, so that when the battery pack needs to be regulated and controlled, a second instruction is timely generated, and the second instruction is transmitted to the target processor to regulate and control the charging state of the battery pack, and the stable charging effect of the battery pack is ensured.
Example 4:
on the basis of embodiment 3, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and battery state management subunit includes:
the equalization management terminal is used for reading and analyzing the total voltage data of the battery pack and the voltage data of the single cells, and controlling the target device to charge the battery pack based on the target processor when the voltage data reach the target condition;
the electric quantity estimation terminal is used for estimating the charge quantity of the battery pack for charging the target vehicle and obtaining the target charge quantity of the battery pack for charging the target vehicle;
the temperature monitoring end is used for reading the temperature data of the battery pack in real time, generating an alarm instruction when the temperature data reaches a preset temperature threshold value, and controlling the alarm device to perform alarm operation based on the target processor.
In this embodiment, the target device may be a device that converts solar energy into electrical energy, and the battery pack is charged.
In this embodiment, the total voltage data may be total voltage data corresponding to all the obtained single cells after the single cells are connected in parallel or in series, that is, the voltage value of the battery pack.
In this embodiment, the cell voltage data may be voltage data corresponding to a single cell.
In this embodiment, the target condition is set in advance, and is used to characterize that the battery voltages corresponding to the battery pack and the single cells meet the minimum requirement of charging.
In this embodiment, the dynamic power data may be the power of the battery pack in the running process, and the power of the battery pack changes due to output or charging, and the dynamic power data is the real-time power data corresponding to the battery pack.
In this embodiment, the preset temperature threshold is set in advance to characterize the highest temperature that the battery pack can withstand.
In this embodiment, the alarm command (i.e., the second command) performs an alarm operation, which may be a light or a sound alarm.
The beneficial effects of the technical scheme are as follows: the battery state management subunit performs balanced control, electric quantity estimation and battery temperature control on the battery pack, so that stable operation of the battery pack is ensured.
Example 5:
on the basis of embodiment 4, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and balanced management end includes:
the curve drawing sub-end is used for obtaining the dynamic total voltage of the battery pack when the battery pack is in an equilibrium state, drawing a first dynamic curve based on the change state of the dynamic total voltage, obtaining the dynamic single voltage of each single cell in the battery pack, and drawing a plurality of second dynamic curves based on the change state of the plurality of dynamic single voltages;
and the target condition confirmation sub-end is used for overlapping the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, respectively determining a plurality of target distances of the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, calculating a target average value of the plurality of target distances, determining a corresponding reference voltage threshold value according to the target average value, and determining a target condition based on the reference voltage threshold value.
In this embodiment, the dynamic total voltage may be a real-time battery voltage condition corresponding to the battery pack in a stable operation state.
In this embodiment, the first dynamic curve may be a curve that characterizes the change in the dynamic total voltage of the battery over a period of time.
In this embodiment, the dynamic single voltage may be a real-time voltage value corresponding to a single battery in the battery pack during stable charge and discharge.
In this embodiment, the second dynamic curve may be a change over a period of time that characterizes the dynamic cell voltage.
In this embodiment, the plurality of target distances may be an average distance between the first dynamic curve and each of the second dynamic curves, and the number of target distances is consistent with the number of second dynamic curves.
In this embodiment, the target average value of the plurality of target distances is calculated by summing the plurality of target distances and dividing the sum by the number of the second dynamic curves, so that the reference voltage threshold is more accurate and objective.
In this embodiment, the target condition may be determined based on a reference voltage threshold, a condition used to measure whether the voltages of the individual cells within the battery pack are uniform and consistent.
In this embodiment, the reference voltage threshold may be a voltage value determined by averaging a plurality of target distances as the reference voltage threshold.
The beneficial effects of the technical scheme are as follows: the first dynamic curve of the voltage of the battery pack and a plurality of second dynamic curves in the battery pack are determined and analyzed, so that the obtained reference voltage threshold is more accurate and objective, and further the voltage balance of the battery pack is controlled through target conditions.
Example 6:
on the basis of embodiment 5, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and the target condition confirms the sub-end, still includes:
the monitoring sub-end is used for monitoring the total voltage of the current battery pack in real time to obtain the real-time total voltage of the current battery pack, and monitoring the single voltage of each battery in the current battery pack to obtain the real-time single voltage of each battery in the current battery pack;
the judging sub-end is used for acquiring a target difference value between the real-time total voltage and the real-time single voltage, comparing the target difference value with a reference voltage threshold value and judging whether the current battery pack reaches a target condition or not;
when the target difference value is smaller than or equal to the reference voltage threshold value, judging that the current battery pack reaches a target condition, and controlling the target device to charge the battery pack based on the target processor;
otherwise, judging that the current battery pack does not reach the target condition, and regulating and controlling the single voltage of each battery in the current battery pack until the target condition is met.
In this embodiment, the real-time total voltage may be the voltage of the battery pack obtained after monitoring the total voltage of the battery pack.
In this embodiment, the real-time single voltage may be a voltage condition of a single cell obtained after monitoring a voltage of a single cell in the battery pack.
In this embodiment, the target difference may be a difference in magnitude between the total voltage characterizing the battery pack and the voltage of the single cells.
In this embodiment, the reference voltage threshold is set in advance to characterize whether the charging condition of the battery pack is reached.
In this embodiment, the single voltage of each battery in the current battery pack is regulated, for example, when the target difference value is greater than the reference voltage threshold value, the single voltage of the single battery to be regulated is increased and regulated, so that the target difference value is less than or equal to the reference voltage threshold value.
The beneficial effects of the technical scheme are as follows: through monitoring the real-time voltage of group battery and single cell, realize whether reaching the condition of charging to the group battery and carry out accurate effectual judgement to be convenient for when reaching the target condition, in time charge the operation to the group battery, simultaneously, when not reaching the requirement of charging, in time regulate and control the single voltage of group battery, thereby make to prevent that the group battery from appearing phenomena such as overcharging, and then realize the protection to the group battery, increase the life to the group battery.
Example 7:
on the basis of embodiment 4, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and the electric quantity estimation end includes:
the initial electric quantity obtaining sub-terminal is used for obtaining initial electric quantity before the battery pack charges the target automobile;
the residual electric quantity estimation sub-end is used for estimating the residual electric quantity of the battery pack and obtaining the residual electric quantity of the battery pack;
and a target charge amount confirmation sub-terminal for estimating a target charge amount by which the battery pack charges the target vehicle based on the initial charge amount and the remaining charge amount.
In this embodiment, the remaining power may be the remaining power of the battery pack after charging the target automobile.
In this embodiment, the target charge amount by which the battery pack charges the target vehicle is estimated based on the initial charge amount and the remaining charge amount, which may be determined by making a difference between the initial charge amount and the remaining charge amount.
The beneficial effects of the technical scheme are as follows: the initial electric quantity and the residual electric quantity are determined, so that the target charge quantity of the battery pack for charging the target vehicle is effectively and accurately estimated.
Example 8:
on the basis of embodiment 7, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and remaining power estimation sub-end includes:
the influence factor obtaining sub-terminal is configured to obtain an influence factor for estimating a remaining capacity of the battery pack, where the influence factor includes: voltage-influencing factors, current-influencing factors and temperature-influencing factors;
the electric quantity estimation coefficient determining sub-end is used for acquiring electric quantity influence weights corresponding to all influence factors and determining electric quantity estimation coefficients based on all influence factors and the electric quantity influence weights corresponding to all influence factors;
and the residual electric quantity estimation sub-end is used for reading the voltage value of the current battery pack, the circuit current of the battery pack and the temperature value of the battery pack based on the influence factors, estimating the electric quantity of the battery pack based on the electric quantity estimation coefficient and determining the residual electric quantity of the battery pack.
In this embodiment, the influence factor for estimating the remaining capacity of the battery pack is obtained based on data obtained from experiences such as the internet and a plurality of experiments.
In this embodiment, the power impact weight may be based on multiple experiments to determine how important the current voltage and temperature are to the power estimation.
In this embodiment, the power estimation coefficient may be determined based on each influence factor and the power influence weight corresponding to each influence factor, and is a reference value provided for estimating the remaining power of the battery pack.
The beneficial effects of the technical scheme are as follows: by determining the electric quantity estimation coefficient, the residual electric quantity of the battery pack can be effectively estimated, and the accuracy and the effectiveness of the estimation of the residual electric quantity of the battery pack are improved.
Example 9:
on the basis of embodiment 1, this embodiment provides a management system based on parking area energy storage type solar charging equipment, as shown in fig. 3, a data communication module includes:
the address acquisition unit is used for acquiring a first end address of a monitoring end for monitoring the charging condition of the battery pack and determining a second end address of the central management end;
a target communication link generation unit configured to:
when information communication is carried out, a first transmission direction of a monitoring end reaching a central management end is obtained, a first directed link identifier is generated based on the first transmission direction, a first end address and a second end address, and a first communication link is generated according to the first directed link identifier;
and simultaneously, acquiring a second transmission direction of the central management end reaching the monitoring end, generating a second directed link identifier based on the second transmission direction, the second end address and the first end address, and generating a second communication link according to the second directed link identifier.
In this embodiment, the first terminal address may be a communication address of a monitoring device that monitors the charging condition of the battery pack.
In this embodiment, the second address may be a communication address of the central management end.
In this embodiment, the first transmission direction may be a transmission direction characterizing transmission by the monitoring end to the central management end.
In this embodiment, the first directed link identifier may be a tag label that marks the direction of data transmission from the monitoring end to the central management end.
In this embodiment, the first communication link may be a transmission link for transmitting data required from the monitoring end to the central management end.
In this embodiment, the second transmission direction may be a direction in which the characterization data is transmitted from the central management side to the monitoring side.
In this embodiment, the second directed link identifier may be a tag label that marks the direction of data transmission from the central management end to the monitoring end.
In this embodiment, the second communication link may be a data transmission link that transmits data from the central management side to the monitoring side.
The beneficial effects of the technical scheme are as follows: by establishing the first communication link and the second communication link, congestion of data transmission, data transmission errors and the like are avoided, and therefore transmission efficiency of the data transmission is improved.
Example 10:
on the basis of embodiment 1, this embodiment provides a management system based on parking area energy storage type solar charging equipment, and central management module still includes:
the filling factor calculating unit is used for obtaining the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit based on the monitoring information, and calculating the filling factor of the battery pack according to the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit;
wherein δ represents the fill factor of the battery pack; r represents the contact resistance of the battery pack; j (J) 0 Representing the current density of the battery pack at the time of short circuit; v (V) 0 Representing the open circuit voltage of the battery pack; delta 0 Representing an ideal fill factor;
a work efficiency calculation unit for calculating the work efficiency of the battery pack based on the filling factor of the battery pack;
wherein η represents the working efficiency of the battery pack; p (P) max Indicating batteryMaximum output power of the group; p (P) ein Representing the optical radiation power of the battery pack; i sc Representing the operating current of the battery pack;
the evaluation unit is used for evaluating the working performance of the battery pack according to the filling factor of the battery pack and the working efficiency of the battery pack, and obtaining an evaluation value of the working performance of the battery pack;
comparing the evaluation value of the working performance of the battery pack with a set evaluation threshold value to judge whether the working performance of the battery pack is good or not;
when the evaluation value of the working performance of the battery pack is smaller than or equal to a set evaluation threshold value, the working performance of the battery pack is judged to be good; otherwise, the working performance of the battery pack is judged to be poor.
In this embodiment, the ideal fill factor may be a fill factor when the battery pack is in an ideal state (i.e., R (contact resistance of the battery pack) is infinite).
In this embodiment, the evaluation of the operation performance of the battery pack may be based on the filling factor of the battery pack and the operation efficiency of the battery pack, that is, the greater the filling factor of the battery pack, the higher the operation efficiency of the battery pack, the better the operation performance of the battery pack.
In this embodiment, the fill factor of the battery pack may be an important indicator of the quality of the solar cell (i.e., the battery pack).
In this embodiment, the evaluation threshold may be set in advance as a measure of whether the performance of the battery pack is good.
In this embodiment, the evaluation value may be a parameter indicating whether the functional performance of the battery pack is good, and a larger evaluation value indicates that the functional performance of the battery pack is good.
The beneficial effects of the technical scheme are as follows: the method comprises the steps of obtaining the open circuit voltage of the battery pack and the current density of the battery pack during short circuit, accurately calculating the filling factor of the battery pack according to the open circuit voltage of the battery pack and the current density of the battery pack during short circuit, and accurately calculating the working efficiency of the battery pack according to the filling factor, so that the working performance of the battery pack is accurately measured according to the filling factor of the battery pack and the working efficiency of the battery pack, the battery pack is known, the battery pack is better understood, corresponding optimization measures are taken for the battery pack, the working efficiency of the battery pack is better improved, the charging effect of the battery pack is guaranteed, and meanwhile stable operation of the battery pack is also better ensured.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. A management system based on parking area energy storage type solar charging equipment, characterized by comprising:
the local measurement module is used for monitoring the charging condition of the battery pack and obtaining monitoring information;
the data communication module is used for transmitting the monitoring information to the central control module based on the target communication link;
the central management module is used for receiving and analyzing the monitoring information, generating a first instruction and a second instruction based on an analysis result, displaying the monitoring information based on the first instruction, and transmitting the second instruction to the target processor to regulate and control the battery pack;
wherein, central management module includes: the system comprises a battery management unit, an interaction management unit and a communication management unit;
and a battery management unit for managing battery state information of the battery pack and charging billing data of the battery pack, wherein the battery management unit includes: a battery state management subunit and a charging billing management subunit;
the battery state management subunit is used for reading and analyzing the initialization monitoring data of the battery pack and the state parameter data of the battery pack, generating a first state group, and transmitting the first state group to the interaction management unit for first display based on a first instruction;
the charging and billing management subunit is used for reading and analyzing the charging and billing data, generating a second state group, and transmitting the second state group to the interaction management unit for second display based on the first instruction;
the interaction management unit is used for receiving and displaying the first state group and the second state group, generating a second instruction when the battery pack needs to be regulated and controlled, packaging the second instruction based on the communication management unit, and transmitting the second instruction to the target processor based on the communication link to execute regulation and control on the battery pack;
wherein the battery state management subunit comprises:
the equalization management terminal is used for reading and analyzing the total voltage data of the battery pack and the voltage data of the single cells, and controlling the target device to charge the battery pack based on the target processor when the voltage data reach the target condition;
the electric quantity estimation terminal is used for estimating the charge quantity of the battery pack for charging the target vehicle and obtaining the target charge quantity of the battery pack for charging the target vehicle;
the temperature monitoring end is used for reading the temperature data of the battery pack in real time, generating an alarm instruction when the temperature data reach a preset temperature threshold value, and controlling the alarm device to perform alarm operation based on the target processor;
wherein, balanced management end includes:
the curve drawing sub-end is used for obtaining the dynamic total voltage of the battery pack when the battery pack is in an equilibrium state, drawing a first dynamic curve based on the change state of the dynamic total voltage, obtaining the dynamic single voltage of each single cell in the battery pack, and drawing a plurality of second dynamic curves based on the change state of the plurality of dynamic single voltages;
the target condition confirmation sub-end is used for overlapping the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, respectively determining a plurality of target distances of the first dynamic curve and the plurality of second dynamic curves in the same coordinate system, calculating a target average value of the plurality of target distances, determining a corresponding reference voltage threshold value according to the target average value, and determining a target condition based on the reference voltage threshold value;
wherein, central management module still includes:
the filling factor calculating unit is used for obtaining the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit based on the monitoring information, and calculating the filling factor of the battery pack according to the open-circuit voltage of the battery pack and the current density of the battery pack in short circuit;
wherein δ represents the fill factor of the battery pack; r represents the contact resistance of the battery pack; j (J) 0 Representing the current density of the battery pack at the time of short circuit; v (V) 0 Representing the open circuit voltage of the battery pack; delta 0 Representing an ideal fill factor;
a work efficiency calculation unit for calculating the work efficiency of the battery pack based on the filling factor of the battery pack;
wherein η represents the working efficiency of the battery pack; p (P) max Representing the maximum output power of the battery pack; p (P) ein Representing the optical radiation power of the battery pack; i sc Representing the operating current of the battery pack;
the evaluation unit is used for evaluating the working performance of the battery pack according to the filling factor of the battery pack and the working efficiency of the battery pack, and obtaining an evaluation value of the working performance of the battery pack;
comparing the evaluation value of the working performance of the battery pack with a set evaluation threshold value to judge whether the working performance of the battery pack is good or not;
when the evaluation value of the working performance of the battery pack is smaller than or equal to a set evaluation threshold value, the working performance of the battery pack is judged to be good; otherwise, the working performance of the battery pack is judged to be poor.
2. The management system of a parking lot energy storage type solar charging device according to claim 1, wherein the local measurement module comprises:
the battery initializing unit is used for initializing the system before charging the battery pack and obtaining initialization monitoring data;
the battery data acquisition unit is used for acquiring state parameter data of the battery pack in real time;
the charging data acquisition unit is used for acquiring the target charging electric quantity of the battery pack for charging the target automobile in the parking lot in real time and updating charging and charging data according to the target charging electric quantity;
and the summarizing unit is used for summarizing the initialized monitoring data, the state parameter data of the battery pack and the charging and billing data, so as to realize the acquisition of the monitoring information.
3. The management system of a parking-based energy storage type solar charging apparatus according to claim 1, wherein the target condition confirmation sub-terminal further comprises:
the monitoring sub-end is used for monitoring the total voltage of the current battery pack in real time to obtain the real-time total voltage of the current battery pack, and monitoring the single voltage of each battery in the current battery pack to obtain the real-time single voltage of each battery in the current battery pack;
the judging sub-end is used for acquiring a target difference value between the real-time total voltage and the real-time single voltage, comparing the target difference value with a reference voltage threshold value and judging whether the current battery pack reaches a target condition or not;
when the target difference value is smaller than or equal to the reference voltage threshold value, judging that the current battery pack reaches a target condition, and controlling the target device to charge the battery pack based on the target processor;
otherwise, judging that the current battery pack does not reach the target condition, and regulating and controlling the single voltage of each battery in the current battery pack until the target condition is met.
4. The management system of a parking-lot-based energy storage type solar charging apparatus according to claim 1, wherein the power estimation terminal comprises:
the initial electric quantity obtaining sub-terminal is used for obtaining initial electric quantity before the battery pack charges the target automobile;
the residual electric quantity estimation sub-end is used for estimating the residual electric quantity of the battery pack and obtaining the residual electric quantity of the battery pack;
and a target charge amount confirmation sub-terminal for estimating a target charge amount by which the battery pack charges the target vehicle based on the initial charge amount and the remaining charge amount.
5. The management system of a parking-lot-based energy storage type solar charging apparatus according to claim 4, wherein the remaining power estimating sub-terminal comprises:
the influence factor obtaining sub-terminal is configured to obtain an influence factor for estimating a remaining capacity of the battery pack, where the influence factor includes: voltage-influencing factors, current-influencing factors and temperature-influencing factors;
the electric quantity estimation coefficient determining sub-end is used for acquiring electric quantity influence weights corresponding to all influence factors and determining electric quantity estimation coefficients based on all influence factors and the electric quantity influence weights corresponding to all influence factors;
and the residual electric quantity estimation sub-end is used for reading the voltage value of the current battery pack, the circuit current of the battery pack and the temperature value of the battery pack based on the influence factors, estimating the electric quantity of the battery pack based on the electric quantity estimation coefficient and determining the residual electric quantity of the battery pack.
6. The management system of a parking lot energy storage type solar charging apparatus according to claim 1, wherein the data communication module comprises:
the address acquisition unit is used for acquiring a first end address of a monitoring end for monitoring the charging condition of the battery pack and determining a second end address of the central management end;
a target communication link generation unit configured to:
when information communication is carried out, a first transmission direction of a monitoring end reaching a central management end is obtained, a first directed link identifier is generated based on the first transmission direction, a first end address and a second end address, and a first communication link is generated according to the first directed link identifier;
and simultaneously, acquiring a second transmission direction of the central management end reaching the monitoring end, generating a second directed link identifier based on the second transmission direction, the second end address and the first end address, and generating a second communication link according to the second directed link identifier.
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