CN117439220B - Portable energy storage power supply and portable energy storage power supply cabinet - Google Patents
Portable energy storage power supply and portable energy storage power supply cabinet Download PDFInfo
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- CN117439220B CN117439220B CN202311385990.0A CN202311385990A CN117439220B CN 117439220 B CN117439220 B CN 117439220B CN 202311385990 A CN202311385990 A CN 202311385990A CN 117439220 B CN117439220 B CN 117439220B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000003745 diagnosis Methods 0.000 claims abstract description 35
- 230000036541 health Effects 0.000 claims abstract description 9
- 241000854291 Dianthus carthusianorum Species 0.000 claims description 52
- 238000012544 monitoring process Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- 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
-
- 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]
-
- 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
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- 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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- 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
- H02J7/005—Detection of state of health [SOH]
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Abstract
The invention provides a portable energy storage power supply, which comprises a shell, handles arranged on two sides of the shell, a plurality of storage battery packs arranged in the shell, a charging device arranged in the shell and an external power supply device arranged on the shell, wherein the handles are arranged on the two sides of the shell; the charging device is connected with the plurality of storage battery packs and charges the storage battery packs; one end of the external power supply device is connected with the storage battery pack, and the other end of the external power supply device is connected with the power supply equipment and is used for acquiring electric energy from the storage battery pack and supplying power to the power supply equipment; further comprises: the fault diagnosis platform acquires the operation parameters of the storage battery pack, analyzes the operation parameters to evaluate the health state of the storage battery pack, performs fault diagnosis on the storage battery pack, and timely sends out early warning information when faults are found. The portable energy storage power supply can monitor the operation parameters of the storage battery in real time so as to evaluate the health state of the storage battery, and give an alarm in time when a fault is found, thereby improving the timeliness and effectiveness of the maintenance of the energy storage power supply.
Description
Technical Field
The invention relates to the technical field of energy storage equipment, in particular to a portable energy storage power supply and a portable energy storage power supply cabinet.
Background
The energy storage power supply is a safe, portable, stable and environment-friendly small energy storage system, can convert electric energy into other forms of energy for storage, then converts the energy into electric energy for output when needed, adopts a built-in lithium ion battery with high energy density to provide a power supply system for stable AC and DC output, has small energy storage volume and light weight, can be used for balancing power grid load, coping with power grid fluctuation, providing a standby power supply, storing renewable energy sources, adjusting voltage frequency and the like, and has wide application in outdoor activities and emergency disaster relief.
However, the maintenance of the existing energy storage power supply is mainly carried out by maintenance personnel after power failure, so that the rapid state maintenance is difficult to truly realize, the energy storage equipment plays a role of standby capacity in the actual operation process, and the energy storage equipment has a plurality of external states which need to be automatically monitored and controlled, so that the traditional energy storage power supply source is difficult to carry out high-efficiency control and maintenance.
Disclosure of Invention
The invention provides a portable energy storage power supply and a portable energy storage power supply cabinet aiming at the problems.
The aim of the invention is realized by adopting the following technical scheme:
a portable energy storage power supply comprises a shell, handles arranged on two sides of the shell, a plurality of storage battery packs arranged in the shell, a charging device arranged in the shell and an external power supply device arranged on the shell;
The charging device is connected with the plurality of storage battery packs and is used for charging the storage battery packs;
One end of the external power supply device is connected with the storage battery pack, and the other end of the external power supply device is connected with power supply equipment and is used for acquiring electric energy from the storage battery pack and supplying power to the power supply equipment after current conversion;
Further comprises: the fault diagnosis platform is used for acquiring the operation parameters of the storage battery pack, analyzing the operation parameters to evaluate the health state of the storage battery pack, performing fault diagnosis on the storage battery pack, and sending early warning information in time when the fault is found.
Preferably, the charging device is a solar charging panel for converting solar energy into electrical energy for storage into the battery.
Preferably, the fault diagnosis platform comprises: the device comprises a battery sensor unit, a main control unit, a first communication unit and a fault diagnosis unit;
the battery sensor unit is used for collecting real-time operation parameters of the storage battery pack in real time;
The main control unit is used for receiving and processing the real-time operation parameters;
The first communication unit is used for enabling the main control unit to establish communication connection with the fault diagnosis unit;
The fault diagnosis unit is used for receiving the processed real-time operation parameters, evaluating the health state of the storage battery pack based on the received real-time operation parameters, performing fault diagnosis on the storage battery pack, and sending early warning information in time when the fault is found. The solar charging panel includes: the photovoltaic charging system comprises a plurality of photovoltaic charging units, a second communication unit and a monitoring unit;
the plurality of photovoltaic charging units are in communication connection with the monitoring unit through the second communication unit;
the monitoring unit is used for monitoring the running state of the photovoltaic charging unit;
the photovoltaic charging unit is used for converting collected solar energy into electric energy and storing the electric energy into the storage battery.
Preferably, the photovoltaic charging unit includes: a solar photovoltaic panel and an over-current protection unit; the solar photovoltaic panel is in charging connection with the storage battery pack through the over-current protection unit; the over-current protection unit is used for controlling the charging and discharging processes of the storage battery pack and providing over-current protection.
Preferably, the monitoring unit comprises: a data acquisition subunit; the data acquisition subunit is used for acquiring the running state data of each solar photovoltaic panel and transmitting the running state data to the fault diagnosis platform; the fault diagnosis platform is used for analyzing and processing the received operation state data, analyzing the operation state of each photovoltaic charging unit and giving an alarm when the photovoltaic charging unit works abnormally.
Preferably, the data acquisition subunit comprises a wireless sensor network formed by a plurality of sensor nodes and a base station device, wherein the sensor nodes are used for acquiring the operation state data of the monitoring position and transmitting the operation state data to the base station device, and the base station device gathers the operation state data acquired by the sensor nodes and transmits the operation state data to the fault diagnosis platform.
Preferably, the base station device is arranged at a central position of the monitoring area, each sensor node is deployed at a monitoring position of each photovoltaic power supply unit, and after deployment is completed, each sensor node and the base station device form a wireless sensor network with a clustering structure according to a preset clustering mechanism, wherein the sensor nodes comprise common nodes and special nodes with different powers.
Preferably, the sensor nodes and the base station equipment form a wireless sensor network with a clustering structure according to a preset clustering mechanism, specifically:
After deployment is completed, the base station equipment performs whole network broadcasting, and after each sensor node receives the broadcasting, the sensor node sends self information to the base station equipment, wherein the self information of the sensor node comprises ID information, position information, energy information and power information;
s2, after receiving self information sent by each sensor node, the base station equipment acquires current residual energy values of each sensor node, arranges the current residual energy values according to descending order, and takes K sensor nodes which are arranged at the front as cluster heads;
wherein the value of K can be calculated by the following formula:
In the method, in the process of the invention, The expression is rounded upwards, N is the number of sensor nodes, m is the proportion of the special nodes to the number of all the sensor nodes, h is the ratio of the number of the special nodes to the number of the common nodes, alpha is an environmental influence factor which is related to the external environment where the sensor network is located, S is the area of a monitoring area,/>For the average value of the distances between all special nodes in the monitoring area and the base station equipment,/>Is the average value of the distances between all the common nodes in the monitoring area and the base station equipment.
S3, searching sensor nodes near the cluster head by taking the selected cluster head Ch (i) as a center and taking the radius R i as a searching radius, and adding the sensor nodes into the corresponding cluster head to form cluster member nodes of the cluster head;
S4, if all the sensor nodes are added into the corresponding cluster heads, the wireless sensor network construction is completed;
S5, if the sensor nodes which are not clustered exist, acquiring the current residual energy value of the sensor nodes which are not clustered, arranging the current residual energy value in a descending order, selecting the sensor node j with the largest current residual energy value as a cluster head, searching the sensor nodes near the cluster head by taking the radius R j as a searching radius, and adding the searched sensor nodes into the corresponding cluster head to form cluster member nodes of the cluster head;
And S5, repeating the steps S4-S5 until all the sensor nodes are clustered, and completing the construction of the wireless sensor network with the clustered structure.
A portable energy storage power supply cabinet comprises the portable energy storage power supply.
The beneficial effects of the invention are as follows: the invention provides a portable energy storage power supply which can monitor the operation parameters of a storage battery pack in real time so as to evaluate the health state of the storage battery pack and give an alarm in time when a fault is found, thereby improving the timeliness and effectiveness of the maintenance of the energy storage power supply.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a frame construction diagram of a portable energy storage power supply provided by an embodiment of the present invention;
FIG. 2 is a frame construction diagram of a fault diagnosis platform provided by an embodiment of the present invention;
fig. 3 is a frame structure diagram of a solar charging panel according to an embodiment of the present invention.
Reference numerals: the device comprises a storage battery pack 1, a charging device 2, an external power supply device 3, a fault diagnosis platform 4, a power supply device 5, a battery sensor unit 41, a main control unit 42, a first communication unit 43, a fault diagnosis unit 44, a photovoltaic charging unit 6, a second communication unit 7 and a monitoring unit 8.
Detailed Description
The invention will be further described with reference to the following examples.
Referring to fig. 1 to 3, a portable energy storage power supply includes a housing, handles installed at both sides of the housing, a plurality of storage battery packs 1 installed inside the housing, a charging device 2 installed inside the housing, and an external power supply device 3 installed on the housing;
the charging device 2 is connected with the plurality of battery packs 1 and is used for charging the battery packs 1;
one end of the external power supply device 3 is connected with the storage battery pack 1, the other end of the external power supply device is connected with a power supply device 5, and the external power supply device is used for acquiring electric energy from the storage battery pack 1 and supplying power to the power supply device 5 after current conversion;
Further comprises: the fault diagnosis platform 4 is used for acquiring the operation parameters of the storage battery pack, analyzing the operation parameters to evaluate the health state of the storage battery pack 1, performing fault diagnosis on the storage battery pack, and sending early warning information in time when the fault is found.
Preferably, the charging device 2 is a solar charging panel for converting solar energy into electrical energy for storage into the battery pack 1.
Preferably, the fault diagnosis platform 4 includes: a battery sensor unit 41, a main control unit 42, a first communication unit 43, and a fault diagnosis unit 44;
Preferably, the battery sensor unit 41 includes: the temperature and humidity sensor comprises a current sensor, a voltage sensor, a temperature and humidity sensor and a resistance measurer.
The battery sensor unit 41 is used for collecting real-time operation parameters of the storage battery pack in real time;
the main control unit 42 is configured to receive and process the real-time operation parameter;
The first communication unit 43 is configured to establish a communication connection between the main control unit 42 and the fault diagnosis unit 44;
The fault diagnosis unit 44 is configured to receive the processed real-time operation parameter, evaluate the health status of the storage battery based on the received real-time operation parameter, perform fault diagnosis on the storage battery 1, and send out early warning information in time when a fault is found.
The solar charging panel includes: a plurality of photovoltaic charging units 6, a second communication unit 7 and a monitoring unit 8; a plurality of the photovoltaic charging units 6 are in communication connection with the monitoring unit 8 through the second communication unit 7; the monitoring unit 8 is used for monitoring the operation state of the photovoltaic charging unit 6; the photovoltaic charging unit 6 is used for converting collected solar energy into electric energy and storing the electric energy into the storage battery pack 1.
Preferably, the photovoltaic charging unit 6 comprises: a solar photovoltaic panel and an over-current protection unit; the solar photovoltaic panel is in charging connection with the storage battery pack through the over-current protection unit; the over-current protection unit is used for controlling the charging and discharging processes of the storage battery pack 1 and providing over-current protection.
Preferably, the monitoring unit 8 comprises: a data acquisition subunit; the data acquisition subunit is used for acquiring the running state data of each solar photovoltaic panel and transmitting the running state data to the fault diagnosis platform 4; the fault diagnosis platform 4 is used for analyzing and processing the received operation state data, analyzing the operation state of each photovoltaic charging unit and giving an alarm when the photovoltaic charging unit works abnormally.
Preferably, the data acquisition subunit includes a wireless sensor network formed by a plurality of sensor nodes and a base station device, where the sensor nodes are used to acquire the operation state data of the monitoring position and transmit the operation state data to the base station device, and the base station device gathers the operation state data acquired by the sensor nodes and transmits the operation state data to the fault diagnosis platform 4.
Preferably, the base station device is arranged at a central position of the monitoring area, each sensor node is deployed at a monitoring position of each photovoltaic power supply unit, and after deployment is completed, each sensor node and the base station device form a wireless sensor network with a clustering structure according to a preset clustering mechanism, wherein the sensor nodes comprise common nodes and special nodes with different powers.
Preferably, the sensor nodes and the base station equipment form a wireless sensor network with a clustering structure according to a preset clustering mechanism, specifically:
After deployment is completed, the base station equipment performs whole network broadcasting, and after each sensor node receives the broadcasting, the sensor node sends self information to the base station equipment, wherein the self information of the sensor node comprises ID information, position information, energy information and power information;
s2, after receiving self information sent by each sensor node, the base station equipment acquires current residual energy values of each sensor node, arranges the current residual energy values according to descending order, and takes K sensor nodes which are arranged at the front as cluster heads;
wherein the value of K can be calculated by the following formula:
In the method, in the process of the invention, The expression is rounded upwards, N is the number of sensor nodes, m is the proportion of the special nodes to the number of all the sensor nodes, h is the ratio of the number of the special nodes to the number of the common nodes, alpha is an environmental influence factor which is related to the external environment where the sensor network is located, S is the area of a monitoring area,/>For the average value of the distances between all special nodes in the monitoring area and the base station equipment,/>The average value of the distances between all the common nodes in the monitoring area and the base station equipment is obtained; the specific value of the alpha is set by a person skilled in the art according to working experience, and the value range of alpha is 0.60-0.95 as a preferable value.
The beneficial effects are that: the cluster head bears the heavy duty of receiving information sent by each sensor node and forwarding the information to the base station equipment, if the arrangement is unreasonable, certain sensor nodes can die too early due to too fast energy consumption, especially the sensor nodes serving as the cluster head and cluster member nodes with too far communication distance from the cluster head, so that in order to avoid the situation, the number of the sensor nodes needs to be reasonably set to optimize the wireless sensor network structure, and further the service life of the wireless sensor network is prolonged. Based on the method, the inventor determines the cluster head number in the above way, and considers the influence of the number of common nodes and special nodes and the influence of the surrounding environment, so that the determined cluster head number is more reasonable, and the aim of optimizing the wireless sensor network is fulfilled.
S3, searching sensor nodes near the cluster head by taking the selected cluster head Ch (i) as a center and taking the radius R i as a searching radius, and adding the sensor nodes into the corresponding cluster head to form cluster member nodes of the cluster head; the radius R i may be specifically determined by the following formula:
Wherein R i is the search radius of the cluster head Ch (i), D i,BS is the distance from the cluster head Ch (i) to the base station equipment, D max is the farthest distance from the base station equipment in all the selected cluster heads, D i is the communication radius of the cluster head Ch (i), D i,BS is the distance between the cluster head Ch (i) and the base station equipment, For the maximum distance and minimum distance between the cluster head Ch (i) and the sensor nodes in the communication radius, E se,max is the current maximum energy value of the special node in all cluster heads, E or,max is the current maximum energy value of the common node in all cluster heads, E i,0 is the initial energy value of the cluster head Ch (i), and β 1、β1 is the weight coefficient.
The beneficial effects are that: the size of the searching radius has a direct relation with the number of cluster member nodes corresponding to the cluster head, the searching radius is too large, the cluster head contains relatively more cluster members, the consumed energy is also larger, under the condition, the cluster head can consume the energy of the cluster head too early to die, if the searching radius is too small, too many sensor nodes can not form clusters and enter the lower circulation, the cluster head and the cluster adding are further determined, the construction period of the wireless sensor network structure is too long, and the timeliness of the operation of the wireless sensor network is influenced, so that the searching radius is reasonably set to optimize the wireless sensor network of the cluster structure, and when the searching radius of the cluster head is determined, the applicant considers the factors such as the radius of a communication area of the cluster head, the influence of the energy of the cluster head and the distance between the base station equipment, so that the proper searching radius is obtained, the service life of the wireless sensor network and the time of the wireless sensor network structure of the cluster structure are considered, and a better wireless sensor network is obtained.
S4, if all the sensor nodes are added into the corresponding cluster heads, the wireless sensor network construction is completed;
S5, if the sensor nodes which are not clustered exist, acquiring the current residual energy value of the sensor nodes which are not clustered, arranging the current residual energy value in a descending order, selecting the sensor node j with the largest current residual energy value as a cluster head, searching the sensor nodes near the cluster head by taking the radius R j as a searching radius, and adding the searched sensor nodes into the corresponding cluster head to form cluster member nodes of the cluster head;
And S5, repeating the steps S4-S5 until all the sensor nodes are clustered, and completing the construction of the wireless sensor network with the clustered structure.
A portable energy storage power supply cabinet comprising a portable energy storage power supply as above.
The beneficial effects of the invention are as follows: the invention provides a portable energy storage power supply which can monitor the operation parameters of a storage battery pack in real time so as to evaluate the health state of the storage battery pack and give an alarm in time when a fault is found, thereby improving the timeliness and effectiveness of the maintenance of the energy storage power supply.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The portable energy storage power supply is characterized by comprising a shell, handles arranged on two sides of the shell, a plurality of storage battery packs arranged in the shell, a charging device arranged in the shell and an external power supply device arranged on the shell;
The charging device is connected with the plurality of storage battery packs and is used for charging the storage battery packs;
One end of the external power supply device is connected with the storage battery pack, and the other end of the external power supply device is connected with power supply equipment and is used for acquiring electric energy from the storage battery pack and supplying power to the power supply equipment after current conversion;
Further comprises: the fault diagnosis platform is used for acquiring the operation parameters of the storage battery pack, analyzing the operation parameters to evaluate the health state of the storage battery pack, performing fault diagnosis on the storage battery pack, and sending early warning information in time when a fault is found;
The charging device is a solar charging plate, and the solar charging plate is used for converting solar energy into electric energy and storing the electric energy into the storage battery;
the solar charging panel includes: the photovoltaic charging system comprises a plurality of photovoltaic charging units, a second communication unit and a monitoring unit;
the plurality of photovoltaic charging units are in communication connection with the monitoring unit through the second communication unit;
the monitoring unit is used for monitoring the running state of the photovoltaic charging unit;
The photovoltaic charging unit is used for converting collected solar energy into electric energy and storing the electric energy into the storage battery pack;
the monitoring unit includes: a data acquisition subunit; the data acquisition subunit is used for acquiring the running state data of each solar photovoltaic panel and transmitting the running state data to the fault diagnosis platform; the fault diagnosis platform is used for analyzing and processing the received operation state data, analyzing the operation state of each photovoltaic charging unit and giving an alarm when the photovoltaic charging unit works abnormally;
The data acquisition subunit comprises a wireless sensor network formed by a plurality of sensor nodes and a base station device, wherein the sensor nodes are used for acquiring the running state data of the monitoring position and transmitting the running state data to the base station device, and the base station device gathers the running state data acquired by the sensor nodes and transmits the running state data to the fault diagnosis platform;
the base station equipment is arranged at the central position of the monitoring area, each sensor node is deployed at the monitoring position of each photovoltaic power supply unit, and after deployment is completed, each sensor node and the base station equipment form a wireless sensor network with a clustering structure according to a preset clustering mechanism, wherein the sensor nodes comprise common nodes and special nodes with different powers;
The sensor nodes and the base station equipment form a wireless sensor network with a clustering structure according to a preset clustering mechanism, and specifically:
After deployment is completed, the base station equipment performs whole network broadcasting, and after each sensor node receives the broadcasting, the sensor node sends self information to the base station equipment, wherein the self information of the sensor node comprises ID information, position information, energy information and power information;
s2, after receiving self information sent by each sensor node, the base station equipment acquires current residual energy values of each sensor node, arranges the current residual energy values according to descending order, and takes K sensor nodes which are arranged at the front as cluster heads;
wherein the value of K can be calculated by the following formula:
In the/> The expression is rounded upwards, N is the number of the sensor nodes, m is the proportion of the special nodes to the number of all the sensor nodes, h is the ratio of the number of the special nodes to the number of the common nodes, and the number of the special nodes is equal to the number of the common nodesIs an environmental influence factor, which is related to the external environment where the sensor network is located, S is the area of the monitoring area,/>For the average value of the distances between all special nodes in the monitoring area and the base station equipment,/>The average value of the distances between all the common nodes in the monitoring area and the base station equipment is obtained;
S3, centering on the selected cluster head Ch (i) and radius Searching a sensor node near the cluster head for searching a radius, and adding the sensor node into a corresponding cluster head to form a cluster member node of the cluster head;
S4, if all the sensor nodes are added into the corresponding cluster heads, the wireless sensor network construction is completed;
s5, if the sensor nodes which are not clustered exist, acquiring the current residual energy values of the sensor nodes which are not clustered, arranging the current residual energy values in a descending order, selecting the sensor node j with the largest current residual energy value as a cluster head, and taking the radius as the radius Searching sensor nodes near the cluster head for searching the radius, and adding the searched sensor nodes into the corresponding cluster head to form cluster member nodes of the cluster head;
And S5, repeating the steps S4-S5 until all the sensor nodes are clustered, and completing the construction of the wireless sensor network with the clustered structure.
2. The portable energy storage power supply of claim 1, wherein the fault diagnosis platform comprises: the device comprises a battery sensor unit, a main control unit, a first communication unit and a fault diagnosis unit;
the battery sensor unit is used for collecting real-time operation parameters of the storage battery pack in real time;
The main control unit is used for receiving and processing the real-time operation parameters;
The first communication unit is used for enabling the main control unit to establish communication connection with the fault diagnosis unit; the fault diagnosis unit is used for receiving the processed real-time operation parameters, evaluating the health state of the storage battery pack based on the received real-time operation parameters, performing fault diagnosis on the storage battery pack, and sending early warning information in time when the fault is found.
3. The portable energy storage power supply of claim 1, wherein the photovoltaic charging unit comprises: a solar photovoltaic panel and an over-current protection unit;
The solar photovoltaic panel is in charging connection with the storage battery pack through the over-current protection unit;
The over-current protection unit is used for controlling the charging and discharging processes of the storage battery pack and providing over-current protection.
4. A portable energy storage power supply cabinet, characterized in that it comprises a portable energy storage power supply according to any one of claims 1-3.
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