[go: up one dir, main page]

CN117477622B - Protection control method and system for energy storage wire harness - Google Patents

Protection control method and system for energy storage wire harness Download PDF

Info

Publication number
CN117477622B
CN117477622B CN202311421091.1A CN202311421091A CN117477622B CN 117477622 B CN117477622 B CN 117477622B CN 202311421091 A CN202311421091 A CN 202311421091A CN 117477622 B CN117477622 B CN 117477622B
Authority
CN
China
Prior art keywords
wire harness
cable
area
solar panel
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202311421091.1A
Other languages
Chinese (zh)
Other versions
CN117477622A (en
Inventor
唐琦
王东升
徐明明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanjun Cable Wuxi Co ltd
Original Assignee
Sanjun Cable Wuxi Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanjun Cable Wuxi Co ltd filed Critical Sanjun Cable Wuxi Co ltd
Priority to CN202311421091.1A priority Critical patent/CN117477622B/en
Publication of CN117477622A publication Critical patent/CN117477622A/en
Application granted granted Critical
Publication of CN117477622B publication Critical patent/CN117477622B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power
    • G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a protection control method and a system for an energy storage wire harness, and establishes a protection control system for the energy storage wire harness; dividing the solar panel of the control system into areas to obtain divided areas; dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through a controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity; the sensor group monitors the environmental data of each area to obtain harness safety data, judges whether the harness safety data is in a normal range, and the controller controls the energy storage device and the inverter to charge and discharge according to the judging result and the control result of the cable. Through the control system, the safe operation of the wire harness can be ensured, the utilization rate of energy sources and the reliability of the system are improved, and better guarantee is provided for the operation of a solar energy system.

Description

Protection control method and system for energy storage wire harness
Technical Field
The invention provides a protection control method and a protection control system for an energy storage wire harness, relates to the technical field of energy storage wire harnesses, and particularly relates to the technical field of protection control of energy storage wire harnesses.
Background
With the development of solar power generation technology, solar panels are increasingly used. The solar panel converts solar energy into electric energy by absorbing the electric energy, and the electric energy is transmitted to the energy storage device and the inverter for storage and conversion through the wire harness. However, in practical application, since the solar panel has a large area, the number of the wire harnesses is large, and the safety of the wire harnesses is an important problem. Most of the current technologies do not perform fine area division on the solar panel, resulting in poor control and protection capabilities of the wire harness. In the current technology, the wire harnesses connected to the respective divided areas are generally controlled as a whole, and the wire harnesses in the different areas cannot be controlled accurately. The safety of the wire harness is not monitored and judged in real time, the fault or overload condition of the wire harness cannot be found in time, and certain safety risks exist. The charging and discharging of the energy storage device and the inverter cannot be controlled according to the safety condition of the wire harness, real-time monitoring and judgment of the state of the energy storage device and the inverter are lacked, reasonable charging and discharging management cannot be carried out according to the actual condition, and the safety of the wire harness and the energy storage system is ensured.
Disclosure of Invention
The invention provides a protection control method and a protection control system for an energy storage wire harness, which are used for solving the problem that in the current technology, the wire harnesses connected to various divided areas can be generally controlled in an integral way and cannot be controlled accurately. The safety of the wire harness is not monitored and judged in real time, the fault or overload condition of the wire harness cannot be found in time, a certain safety risk exists, and the problem that the charging and discharging of the energy storage device and the inverter cannot be controlled according to the safety condition of the wire harness is solved:
The invention provides a protection control method and a system for an energy storage wire harness, wherein the method comprises the following steps:
s1, establishing a protection control system of an energy storage wire harness;
S2, dividing the solar panel of the control system into areas to obtain divided areas;
s3, dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through a controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
And S4, monitoring the environmental data of each area by the sensor group, obtaining the wire harness safety data, judging whether the wire harness safety data is in a normal range, and controlling the energy storage device and the inverter to charge and discharge by the controller according to the judging result and the control result of the cable.
Further, the protection control system for building the energy storage wire harness comprises:
S101, the protection control system comprises a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
S102, the solar panel is connected with the inverter through a wire harness, the inverter is connected with the energy storage device and the load through the wire harness respectively, and the controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness respectively.
Further, the dividing the solar panel of the control system into areas to obtain divided areas includes:
S201, dividing a solar panel of a control system into areas, wherein each area of the solar panel is connected with a controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained;
S202, arranging a photosensitive sensor at the center of the solar panel, and monitoring the surface light intensity of the solar panel through the photosensitive sensor.
Further, the wire harness connected with each divided area is divided into a thick cable and a normal cable, the current and the light intensity of each area are monitored by the controller, and the thick cable and the normal cable are respectively controlled according to the current and the light intensity, and the wire harness comprises:
s301, each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes and marks the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing and marks;
The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened;
S302, setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel,
The controller extracts the wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened.
Further, the sensor group monitors the environmental data of each area, obtains the wire harness safety data, judges whether the wire harness safety data is in a normal range, and the controller controls the charging and discharging of the energy storage device and the inverter according to the judging result and the control result of the cable, and comprises the following steps:
S401, monitoring the temperature, the pressure and the electromagnetism of a wire harness of each area in real time through a sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold, when the wire harness safety data is smaller than the wire harness safety data threshold, sending a control signal to a solar panel and a solar automatic tracking system by a controller, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stopped working state;
S402, when the harness safety data of each area of the solar panel is in a normal range, and the relays of the thick cables of all areas are in a disconnected state, the controller controls the inverter to discharge the load;
When the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load;
And when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
Further, the system comprises:
the system building module is used for building a protection control system of the energy storage wire harness;
The area dividing module is used for dividing areas of the solar panel of the control system to obtain divided areas;
The cable control module is used for dividing the wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through the controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
And the charge and discharge control module is used for monitoring the environmental data of each area through the sensor group, obtaining the wire harness safety data, judging whether the wire harness safety data is in a normal range, and controlling the charge and discharge of the energy storage device and the inverter by the controller according to the judging result and the control result of the cable.
Further, the system establishment module includes:
the system component module is used for forming a system through a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
The connection module is used for connecting the solar panel with the inverter through a wire harness, the inverter is respectively connected with the energy storage device and the load through the wire harness, and the controller is respectively connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness.
Further, the area dividing module includes:
The dividing module is used for dividing the solar panel of the control system into areas, each area of the solar panel is connected with the controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained;
and the light intensity monitoring module is used for arranging a photosensitive sensor at the center of the solar panel and monitoring the light intensity on the surface of the solar panel through the photosensitive sensor.
Further, the cable control module includes:
The cable setting module is used for setting that each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing marks;
The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened;
The abnormal region judging module is used for setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, and judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel;
The controller extracts the wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened.
Further, the charge and discharge control module includes:
The safety data judging module is used for monitoring the temperature, the pressure and the electromagnetism of the wire harness of each area in real time through the sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold value, sending a control signal to the solar panel and the solar automatic tracking system when the wire harness safety data is smaller than the wire harness safety data threshold value, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stop working state;
The control module is used for controlling the inverter to discharge the load when the harness safety data of each area of the solar panel is in a normal range and the relays of the thick cables of all areas are in a disconnected state;
When the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load;
And when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
The invention has the beneficial effects that:
The invention provides a protection control method and a protection control system for an energy storage wire harness, which are used for establishing the protection control system for the energy storage wire harness, respectively controlling the solar panels by dividing the areas of the solar panels, reducing the control of a single solar cell on the whole solar panel while saving energy, greatly improving the control flexibility of the solar panels, respectively connecting thick cables and normal cables, monitoring the current and the light intensity of each area, respectively controlling the wire harnesses, and flexibly controlling the wire harnesses without influencing each other. Meanwhile, environmental data of each area is monitored through the sensor group, and whether harness safety data are in a normal range is judged. And according to the judging result and the control result of the cable, the controller controls the charging and discharging of the energy storage device and the inverter. The current and the light intensity of each area are monitored and controlled, so that the thick cable and the normal cable are respectively controlled to meet the energy requirements and the safety requirements of different areas. Environmental data is monitored through the sensor group, and the safety of the wire harness is guaranteed. The energy storage device and the inverter can be charged and discharged under control, so that the utilization of energy sources can be effectively managed and optimized, and the safety and efficiency of the system are improved. Through the differential arrangement of area division and wire harness control, independent management and regulation and control of different areas are realized, and the reliability and adaptability of the system are improved. Through the control system, the safe operation of the wire harness can be ensured, the utilization rate of energy sources and the reliability of the system are improved, and better guarantee is provided for the operation of a solar energy system.
Drawings
FIG. 1 is a schematic diagram of a method of protection control of an energy storage harness;
FIG. 2 is a schematic diagram of a protection control system;
Fig. 3 is a schematic view of a wire harness.
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.
According to one embodiment of the invention, the protection control method and system for the energy storage wire harness provided by the invention comprise the following steps:
s1, establishing a protection control system of an energy storage wire harness;
S2, dividing the solar panel of the control system into areas to obtain divided areas;
s3, dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through a controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
And S4, monitoring the environmental data of each area by the sensor group, obtaining the wire harness safety data, judging whether the wire harness safety data is in a normal range, and controlling the energy storage device and the inverter to charge and discharge by the controller according to the judging result and the control result of the cable.
The working principle of the technical scheme is as follows: establishing a protection control system of the energy storage wire harness; dividing the solar panel of the control system into areas to obtain divided areas; dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through a controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity; the control of the cable comprises the control of the on-off of the cable through the control relay. The sensor group monitors the environmental data of each area to obtain harness safety data, judges whether the harness safety data is in a normal range, and the controller controls the energy storage device and the inverter to charge and discharge according to the judging result and the control result of the cable. The environmental data includes pressure, temperature, and electromagnetic. The control of charging and discharging the energy storage device and the inverter includes control of charging and discharging the energy storage device and control of discharging the inverter.
The technical effects of the technical scheme are as follows: the protection control system of the energy storage wire harness is established, the solar panels can be respectively controlled by dividing the areas of the solar panels, the control of a single solar cell on the whole solar panel is reduced while the energy is saved, the control flexibility of the solar panel is greatly improved, the thick cable and the normal cable are respectively connected, the current and the light intensity of each area are monitored, the wire harness is respectively controlled, the flexible control of the wire harnesses is realized, and the wire harnesses are not affected by each other. Meanwhile, environmental data of each area is monitored through the sensor group, and whether harness safety data are in a normal range is judged. And according to the judging result and the control result of the cable, the controller controls the charging and discharging of the energy storage device and the inverter. The current and the light intensity of each area are monitored and controlled, so that the thick cable and the normal cable are respectively controlled to meet the energy requirements and the safety requirements of different areas. Environmental data is monitored through the sensor group, and the safety of the wire harness is guaranteed. The energy storage device and the inverter can be charged and discharged under control, so that the utilization of energy sources can be effectively managed and optimized, and the safety and efficiency of the system are improved. Through the differential arrangement of area division and wire harness control, independent management and regulation and control of different areas are realized, and the reliability and adaptability of the system are improved. Through the control system, the safe operation of the wire harness can be ensured, the utilization rate of energy sources and the reliability of the system are improved, and better guarantee is provided for the operation of a solar energy system.
In one embodiment of the present invention, the protection control system for building an energy storage wire harness includes:
S101, the protection control system comprises a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
S102, the solar panel is connected with the inverter through a wire harness, the inverter is connected with the energy storage device and the load through the wire harness respectively, and the controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness respectively.
The working principle of the technical scheme is as follows: the protection control system comprises a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load; the load is electric equipment. The solar panel is connected with the inverter through a wire harness, the inverter is connected with the energy storage device and the load through the wire harness respectively, and the controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness respectively. The inverter is used for converting direct current generated by the solar panel into alternating current, as shown in fig. 2.
The technical effects of the technical scheme are as follows: the direct current generated by the solar panel is converted into alternating current through the inverter, and the required electric energy is provided for load equipment. Meanwhile, the energy storage device can store redundant electric energy to be supplied to the load equipment when the energy storage device is insufficient, so that energy balance and stable supply are realized. The energy and signal transmission is realized by connecting the components through the wire harness. The solar panel, the inverter, the energy storage device and the load equipment are connected with each other through the wire harness, so that energy flow and system operation are realized. The controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness, so that the monitoring, the adjustment and the management of the whole system are realized. The controller controls the charge and discharge of energy and the running state of each component, so as to ensure the stability and performance of the system. The wiring harness connection and distribution in the system and the cooperation between the components enhance the flexibility and reliability of the system. Through reasonable wire harness design and control strategies, the system can better adapt to different energy demands and operation scenes. The protection control system realizes conversion, supply and balance of solar energy through harness connection and management of the controller. Through reasonable harness arrangement and assembly connection, stable and reliable electric energy supply is provided for load equipment, and the utilization efficiency of energy sources and the performance of a system are improved.
According to one embodiment of the present invention, the dividing the solar panel of the control system into the divided areas includes:
S201, dividing a solar panel of a control system into areas, wherein each area of the solar panel is connected with a controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained; the number of regions, the user may adaptively repartition.
S202, arranging a photosensitive sensor at the center of the solar panel, and monitoring the surface light intensity of the solar panel through the photosensitive sensor.
The working principle of the technical scheme is as follows: dividing the solar panel of the control system into areas, wherein each area of the solar panel is connected with the controller through a wire harness, the solar panel comprises a plurality of solar cells, and the solar panel is divided into 8 parts according to the arrangement condition of the solar cells to obtain 8 divided areas; the solar panel and the controller are used for carrying out electric signal interaction through the wire harness. And a photosensitive sensor is arranged in the center of the solar panel, and the light intensity of the surface of the solar panel is monitored through the photosensitive sensor. The position and the number of the photosensitive sensors can be adaptively adjusted according to actual conditions.
The technical effects of the technical scheme are as follows: the solar panel is equally divided into 8 areas according to the arrangement condition of solar cells, and each area is connected with the controller through a wire harness, so that independent control and management of each area are realized. The light intensity of the surface of the solar panel is monitored in real time by arranging a photosensitive sensor at the center of the solar panel. This may provide accurate solar irradiance data, helping the control system to adjust the energy requirements of the corresponding region in real time. According to the light intensity conditions of all the areas of the solar panel and the input signals of the controller, the control system can accurately control the energy output of each area and optimize the energy distribution, so that the system can realize the optimal energy utilization under the changed illumination condition. Through regional division and refined light intensity monitoring, the system has higher flexibility and refined management capability. According to the light intensity and energy demand change of different areas, targeted energy regulation and control and management can be realized, and the efficiency and performance of the solar energy system are improved. Through regional division, harness connection and use of photosensitive sensors, accurate regional control and energy management optimization of the solar panel of the control system are achieved. The technical scheme can improve the performance, the reliability and the energy utilization efficiency of the solar energy system.
According to one embodiment of the invention, the wire harness connected with each divided area is divided into a thick cable and a normal cable, the current and the light intensity of each area are monitored by a controller, and the thick cable and the normal cable are respectively controlled according to the current and the light intensity, and the method comprises the following steps:
s301, each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes and marks the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing and marks;
The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened;
S302, setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel,
The controller extracts the wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened.
The working principle of the technical scheme is as follows: each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, each cable is provided with a relay, as shown in fig. 3, the relay is in communication connection with the controller, the controller carries out distinguishing marks on the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing marks; the wire diameter of the thick cable is 2 times of that of the normal cable; the thick cable and the normal cable are not closed at the same time, when the normal cable is closed, the thick cable is disconnected, and when the thick cable is closed, the normal cable is disconnected; the distinguishing reference numerals are those for setting the thick cable, which is a cable having a thicker wire diameter relative to the normal cable, to a different reference numeral from the normal cable. The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened; the controller controls a single zone, not all zones. The current threshold is the maximum current value that can be tolerated by a normal cable. Setting a plurality of time nodes, recording the light intensity of each area at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each area in real time, judging that the area is an abnormal area when the difference value is 2 times larger than the average difference value of the solar panel, extracting a wire harness label of the abnormal area by a controller, controlling a relay contact corresponding to a thick cable in the wire harness label to be closed, and disconnecting a relay corresponding to a normal cable. The harness labels are used by the controller to distinguish between thick and normal cables, and the labels can be randomly arranged.
The technical effects of the technical scheme are as follows: the current of each area is respectively controlled by dividing each wire harness into a thick cable and a normal cable and distinguishing and controlling the opening and closing states of the relays. The design of different simultaneous closing of the thick cable and the normal cable can be correspondingly switched according to the current condition so as to obtain proper current transmission capability. By monitoring the current of each area in real time and controlling according to the set threshold value, the overload and the safety problem of the wire harness caused by the current exceeding the normal range can be prevented. The controller dynamically switches the state of the relay according to the current threshold value, so that the safe operation of the wire harness is ensured. The abnormal light intensity condition of the area can be timely detected and judged by recording the light intensity through the time node and calculating the light intensity difference value. The controller extracts the wire harness label of the abnormal area, switches the state of the corresponding relay, and realizes the accurate control of the abnormal area. By distinguishing between labels and accurate current control, the system has greater flexibility and reliability. The method can carry out fine control according to the requirements and actual conditions of different areas, and improves the energy utilization efficiency and the reliability of the system. The protection control of the wire harness and the timely response of abnormal conditions are realized by distinguishing the design of the label, the thick cable and the normal cable and monitoring of current and light intensity. By the technical scheme, the safety of the wire harness and the reliability of the system can be effectively improved.
According to one embodiment of the invention, the sensor group monitors the environmental data of each area to obtain the harness safety data, judges whether the harness safety data is in a normal range, and the controller controls the energy storage device and the inverter to charge and discharge according to the judging result and the control result of the cable, and the sensor group comprises:
s401, monitoring the temperature, the pressure and the electromagnetism of a wire harness of each area in real time through a sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold, when the wire harness safety data is smaller than the wire harness safety data threshold, sending a control signal to a solar panel and a solar automatic tracking system by a controller, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stopped working state; s402, when the harness safety data of each area of the solar panel is in a normal range, and the relays of the thick cables of all areas are in a disconnected state, the controller controls the inverter to discharge the load; when the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load; and when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
The working principle of the technical scheme is as follows: the method comprises the steps of monitoring the temperature, the pressure and the electromagnetism of a wire harness of each area in real time through a sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold, sending control signals to a solar panel and a solar automatic tracking system when the wire harness safety data are smaller than the wire harness safety data threshold, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the areas are restored to a normal range, and starting the working state of the corresponding area of the stop working state; the harness safety data threshold comprises a maximum temperature value, a maximum pressure value and a minimum electromagnetic value which can cause signal interference, wherein the maximum temperature value and the maximum pressure value can be born by the harness. When the harness safety data of each area of the solar panel is in a normal range, the relays of the thick cables of all areas are in a disconnected state, and the controller controls the inverter to discharge the load; the electric energy emitted by the inverter is generated by the solar panel and does not pass through the energy storage device; the method comprises the steps that if harness safety data of any one area of the solar panel is not in a normal range or a relay of a thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load; and when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge. The sensor group includes a temperature sensor, a pressure sensor, and an electromagnetic sensor.
The technical effects of the technical scheme are as follows: the temperature, pressure and electromagnetism of the wire harness in each area are monitored in real time through the sensor group, and accurate wire harness safety data are obtained. This helps in timely discovery and discernment pencil abnormal conditions, ensures the security and the reliability of pencil. Based on the threshold setting of the harness safety data, the controller can determine whether the working state of the harness is within a normal range. When the safety data of the wire harness is smaller than the set threshold value, the controller sends out a corresponding control signal, the solar panel in the corresponding area is stopped, the angle of the solar panel is adjusted to optimize the working state, and the safety data of the wire harness is restored to the normal range. When the harness safety data of all areas of the solar panel are in a normal range, and the relays of all thick cables are in an off state, the controller controls the inverter to discharge the load. When the harness safety data of any area is not in a normal range or the thick cable relays of at least 4 areas are in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge the load. Through real-time monitoring and control of wire harness safety data, the system can timely handle abnormal conditions of the wire harness, and safety and stable operation of the wire harness are guaranteed. The discharging and charging control of the controller can be adjusted according to different conditions, so that the safety and the flexibility of the system are ensured. Through real-time monitoring and control of the wire harness safety data, the safety of the wire harness and the reliability of the system are guaranteed. The controller has the functions of discharging and charging control, solar panel angle adjustment and the like, can effectively treat abnormal conditions of the wire harness, and ensures the safety and performance of a solar system.
In one embodiment of the invention, the system comprises:
the system building module is used for building a protection control system of the energy storage wire harness;
The area dividing module is used for dividing areas of the solar panel of the control system to obtain divided areas;
The cable control module is used for dividing the wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through the controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
the charge-discharge control module is used for monitoring the environmental data of each area through the sensor group to obtain the wire harness safety data, judging whether the wire harness safety data is in a normal range,
And the controller controls the charging and discharging of the energy storage device and the inverter according to the judging result and the control result of the cable.
The working principle of the technical scheme is as follows: the system building module is used for building a protection control system of the energy storage wire harness; the regional division module is used for dividing regions of the solar panel of the control system to obtain divided regions; the cable control module is used for dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through the controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity; the charge and discharge control module is used for monitoring the environmental data of each area through the sensor group, obtaining the wire harness safety data, judging whether the wire harness safety data is in a normal range, and the controller is used for controlling the charge and discharge of the energy storage device and the inverter according to the judging result and the control result of the cable.
The technical effects of the technical scheme are as follows: by establishing the protection control system of the energy storage wire harness, the regional division of the solar panel and the fine control of the wire harness are realized. The thick cable and the normal cable can be controlled respectively according to actual conditions to monitor the current and the light intensity, so that the energy transmission efficiency and the safety of the wire harness are improved. Meanwhile, environmental data of each area is monitored through the sensor group, safety data of the wire harness can be obtained, and whether the safety data are in a normal range or not is judged. The controller can control the charging and discharging of the energy storage device and the inverter according to the judging result and the control result of the cable, so that the safe operation of the wire harness is ensured to the greatest extent. The method has the advantages that the fine area division of the solar panel is realized, and the energy transmission efficiency is improved; the current and the light intensity are monitored, so that the wire harness is finely controlled, and the safety of the wire harness is improved; the safety range of the wire harness is judged by monitoring the environmental data, so that overload or failure of the wire harness is effectively prevented; and the controller controls the energy storage device and the inverter according to the judging result and the cable control result, so that stable operation of the system is ensured. The system has higher reliability and safety in the aspect of protection control of the energy storage wire harness, and is beneficial to improving the efficiency and stability of the solar power generation system.
In one embodiment of the present invention, the system establishment module includes:
the system component module is used for forming a system through a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
The connection module is used for connecting the solar panel with the inverter through a wire harness, the inverter is respectively connected with the energy storage device and the load through the wire harness, and the controller is respectively connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness.
The working principle of the technical scheme is as follows: the system component module is used for forming a system through a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load; the connection module is used for connecting the solar panel with the inverter through the wire harness, the inverter is connected with the energy storage device and the load through the wire harness respectively, and the controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness respectively.
The technical effects of the technical scheme are as follows: the system component module converts direct current generated by the solar panel into alternating current through the inverter, and provides required electric energy for load equipment. Meanwhile, the energy storage device can store redundant electric energy to be supplied to the load equipment when the energy storage device is insufficient, so that energy balance and stable supply are realized. The connecting module is connected with each component through the wire harness, so that energy and signal transmission is realized. The solar panel, the inverter, the energy storage device and the load equipment are connected with each other through the wire harness, so that energy flow and system operation are realized. The controller is connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness, so that the monitoring, the adjustment and the management of the whole system are realized. The controller controls the charge and discharge of energy and the running state of each component, so as to ensure the stability and performance of the system. The wiring harness connection and distribution in the system and the cooperation between the components enhance the flexibility and reliability of the system. Through reasonable wire harness design and control strategies, the system can better adapt to different energy demands and operation scenes. The protection control system realizes conversion, supply and balance of solar energy through harness connection and management of the controller. Through reasonable harness arrangement and assembly connection, stable and reliable electric energy supply is provided for load equipment, and the utilization efficiency of energy sources and the performance of a system are improved.
In one embodiment of the present invention, the region dividing module includes:
The dividing module is used for dividing the solar panel of the control system into areas, each area of the solar panel is connected with the controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained;
and the light intensity monitoring module is used for arranging a photosensitive sensor at the center of the solar panel and monitoring the light intensity on the surface of the solar panel through the photosensitive sensor.
The working principle of the technical scheme is as follows: the dividing module is used for dividing the solar panel of the control system into areas, each area of the solar panel is connected with the controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained; the light intensity monitoring module is used for setting a photosensitive sensor at the center of the solar panel and monitoring the light intensity of the surface of the solar panel through the photosensitive sensor.
The technical effects of the technical scheme are as follows: the dividing module is used for equally dividing the solar panel into 8 areas according to the arrangement condition of the solar cells, and connecting each area with the controller through a wire harness, so that independent control and management of each area are realized. The light intensity monitoring module monitors the light intensity of the surface of the solar panel in real time by arranging a photosensitive sensor at the center of the solar panel. This may provide accurate solar irradiance data, helping the control system to adjust the energy requirements of the corresponding region in real time. According to the light intensity conditions of all the areas of the solar panel and the input signals of the controller, the control system can accurately control the energy output of each area and optimize the energy distribution, so that the system can realize the optimal energy utilization under the changed illumination condition. Through regional division and refined light intensity monitoring, the system has higher flexibility and refined management capability. According to the light intensity and energy demand change of different areas, targeted energy regulation and control and management can be realized, and the efficiency and performance of the solar energy system are improved. Through regional division, harness connection and use of photosensitive sensors, accurate regional control and energy management optimization of the solar panel of the control system are achieved. The technical scheme can improve the performance, the reliability and the energy utilization efficiency of the solar energy system.
In one embodiment of the present invention, the cable control module includes:
The cable setting module is used for setting that each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing marks; the method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened; the abnormal region judging module is used for setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, and judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel; the controller extracts the wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened.
The working principle of the technical scheme is as follows: the cable setting module is used for setting that each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing marks; the wire diameter of the thick cable is 2 times of that of the normal cable; the thick cable and the normal cable are not closed at the same time, when the normal cable is closed, the thick cable is disconnected, and when the thick cable is closed, the normal cable is disconnected; the method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened; the abnormal region judging module is used for setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, and judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel; the controller extracts the wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened.
The technical effects of the technical scheme are as follows: the cable setting module divides each wire harness into thick cables and normal cables, and distinguishes and controls the current of each area through the opening and closing states of the relay. The design of different simultaneous closing of the thick cable and the normal cable can be correspondingly switched according to the current condition so as to obtain proper current transmission capability. By monitoring the current of each area in real time and controlling according to the set threshold value, the overload and the safety problem of the wire harness caused by the current exceeding the normal range can be prevented. The controller dynamically switches the state of the relay according to the current threshold value, so that the safe operation of the wire harness is ensured. The abnormal light intensity condition of the area can be timely detected and judged by recording the light intensity through the time node and calculating the light intensity difference value. The controller extracts the wire harness label of the abnormal area, switches the state of the corresponding relay, and realizes the accurate control of the abnormal area. By distinguishing between labels and accurate current control, the system has greater flexibility and reliability. The method can carry out fine control according to the requirements and actual conditions of different areas, and improves the energy utilization efficiency and the reliability of the system. The abnormal region judging module realizes the protection control of the wire harness and the timely response of abnormal conditions by distinguishing the design of the label, the thick cable and the normal cable and monitoring the current and the light intensity. By the technical scheme, the safety of the wire harness and the reliability of the system can be effectively improved.
In one embodiment of the present invention, the charge and discharge control module includes:
The safety data judging module is used for monitoring the temperature, the pressure and the electromagnetism of the wire harness of each area in real time through the sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold value, sending a control signal to the solar panel and the solar automatic tracking system when the wire harness safety data is smaller than the wire harness safety data threshold value, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stop working state;
The control module is used for controlling the inverter to discharge the load when the harness safety data of each area of the solar panel is in a normal range and the relays of the thick cables of all areas are in a disconnected state;
When the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load;
And when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
The working principle of the technical scheme is as follows: the safety data judging module is used for monitoring the temperature, the pressure and the electromagnetism of the wire harness of each area in real time through the sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold value, when the wire harness safety data is smaller than the wire harness safety data threshold value, sending a control signal to the solar panel and the solar automatic tracking system by the controller, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stop working state; the control module is used for controlling the inverter to discharge the load when the harness safety data of each area of the solar panel is in a normal range and the relays of the thick cables of all areas are in a disconnected state; the electric energy emitted by the inverter is generated by the solar panel and does not pass through the energy storage device; when the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load; and when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
The technical effects of the technical scheme are as follows: the safety data judging module monitors the wire harness temperature, pressure and electromagnetism of each area in real time through the sensor group, and accurate wire harness safety data are obtained. This helps in timely discovery and discernment pencil abnormal conditions, ensures the security and the reliability of pencil. Based on the threshold setting of the harness safety data, the controller can determine whether the working state of the harness is within a normal range. When the safety data of the wire harness is smaller than the set threshold value, the controller sends out a corresponding control signal, the solar panel in the corresponding area is stopped, the angle of the solar panel is adjusted to optimize the working state, and the safety data of the wire harness is restored to the normal range. And the control module judges that when the harness safety data of all areas of the solar panel are in a normal range and the relays of all thick cables are in a disconnected state, the controller controls the inverter to discharge the load. When the harness safety data of any area is not in a normal range or the thick cable relays of at least 4 areas are in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge the load. Through real-time monitoring and control of wire harness safety data, the system can timely handle abnormal conditions of the wire harness, and safety and stable operation of the wire harness are guaranteed. The discharging and charging control of the controller can be adjusted according to different conditions, so that the safety and the flexibility of the system are ensured. Through real-time monitoring and control of the wire harness safety data, the safety of the wire harness and the reliability of the system are guaranteed. The controller has the functions of discharging and charging control, solar panel angle adjustment and the like, can effectively treat abnormal conditions of the wire harness, and ensures the safety and performance of a solar system.
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 (4)

1. A protection control method of an energy storage wire harness, the method comprising:
s1, establishing a protection control system of an energy storage wire harness;
S2, dividing the solar panel of the control system into areas to obtain divided areas;
s3, dividing a wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through a controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
S4, monitoring environmental data of each area by a sensor group, obtaining harness safety data, judging whether the harness safety data is in a normal range, and controlling the energy storage device and the inverter to charge and discharge by a controller according to a judging result and a control result of the cable;
The protection control system for building the energy storage wire harness comprises:
S101, the protection control system comprises a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
S102, the solar panel is connected with the inverter through a wire harness, the inverter is respectively connected with the energy storage device and the load through the wire harness, and the controller is respectively connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness;
the pencil that will be connected with every division area divide into thick cable and normal cable, monitor the electric current and the light intensity in each region through the controller, according to electric current and light intensity control respectively thick cable and normal cable, include:
s301, each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes and marks the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing and marks;
The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened;
S302, setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel,
The controller extracts a wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened;
the sensor group monitors the environmental data of each area to obtain harness safety data, judges whether the harness safety data is in a normal range, and the controller controls the energy storage device and the inverter to charge and discharge according to the judging result and the control result of the cable, and comprises the following steps:
S401, monitoring the temperature, the pressure and the electromagnetism of a wire harness of each area in real time through a sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold, when the wire harness safety data is smaller than the wire harness safety data threshold, sending a control signal to a solar panel and a solar automatic tracking system by a controller, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stopped working state;
S402, when the harness safety data of each area of the solar panel is in a normal range, and the relays of the thick cables of all areas are in a disconnected state, the controller controls the inverter to discharge the load;
When the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load;
And when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
2. The method for protecting and controlling an energy storage wire harness according to claim 1, wherein the step of dividing the solar panel of the control system into areas to obtain divided areas comprises the steps of:
S201, dividing a solar panel of a control system into areas, wherein each area of the solar panel is connected with a controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained;
S202, arranging a photosensitive sensor at the center of the solar panel, and monitoring the surface light intensity of the solar panel through the photosensitive sensor.
3. A protection control system for an energy storage harness, the system comprising:
the system building module is used for building a protection control system of the energy storage wire harness;
The area dividing module is used for dividing areas of the solar panel of the control system to obtain divided areas;
The cable control module is used for dividing the wire harness connected with each divided area into a thick cable and a normal cable, monitoring the current and the light intensity of each area through the controller, and respectively controlling the thick cable and the normal cable according to the current and the light intensity;
The charge-discharge control module is used for monitoring the environmental data of each area through the sensor group, obtaining the wire harness safety data, judging whether the wire harness safety data is in a normal range, and controlling the charge and discharge of the energy storage device and the inverter by the controller according to the judging result and the control result of the cable;
the system establishment module comprises:
the system component module is used for forming a system through a solar panel, an inverter, an energy storage device, a controller, a solar automatic tracking system, a wire harness and a load;
The connection module is used for connecting the solar panel with the inverter through a wire harness, the inverter is respectively connected with the energy storage device and the load through the wire harness, and the controller is respectively connected with the solar panel, the solar automatic tracking system, the inverter and the energy storage device through the wire harness;
the cable control module includes:
The cable setting module is used for setting that each wire harness comprises a plurality of cables, the plurality of cables are divided into a thick cable and a plurality of normal cables, a relay is arranged on each cable, the relay is in communication connection with the controller, the controller distinguishes the thick cable and the normal cable, and the thick cable and the normal cable are respectively controlled through the distinguishing marks;
The method comprises the steps that the current of each area is monitored in real time through a controller, when the current of any one area is larger than 2/3 of a current threshold value, the controller controls the relay contact of a normal cable of the area to be opened, the relay contact of a thick cable is closed, and when the current of any one area is smaller than or equal to 2/3, the controller controls the relay contact of the normal cable of the area to be closed, and the relay contact of the thick cable is opened;
The abnormal region judging module is used for setting a plurality of time nodes, recording the light intensity of each region at each time node, calculating the difference value of the light intensity of the current time node and the light intensity of the previous time node of each region in real time, and judging the region as an abnormal region when the difference value is more than 2 times of the average difference value of the solar panel;
The controller extracts a wire harness label of the abnormal area, and controls the relay contact corresponding to the thick cable in the wire harness label to be closed, and the relay corresponding to the normal cable to be opened;
The charge-discharge control module includes:
The safety data judging module is used for monitoring the temperature, the pressure and the electromagnetism of the wire harness of each area in real time through the sensor group to obtain wire harness safety data of a plurality of areas, setting a wire harness safety data threshold value, sending a control signal to the solar panel and the solar automatic tracking system when the wire harness safety data is smaller than the wire harness safety data threshold value, controlling the corresponding area of the solar panel to stop working state, controlling the solar automatic tracking system to adjust the angle of the solar panel until the wire harness safety data of the area is restored to a normal range, and starting the working state of the corresponding area of the stop working state;
The control module is used for controlling the inverter to discharge the load when the harness safety data of each area of the solar panel is in a normal range and the relays of the thick cables of all areas are in a disconnected state;
When the harness safety data of any one area of the solar panel is not in a normal range or the relay of the thick cable of any one area is in a closed state, the controller controls the energy storage device to charge and controls the inverter to discharge a load;
And when the harness safety data of at least 4 areas of the solar panel are not in the normal range or the relays of the thick cables of at least 4 areas are in a closed state, the controller controls the energy storage device to charge.
4. The protection control system of an energy storage wire harness of claim 3, wherein the area dividing module comprises:
The dividing module is used for dividing the solar panel of the control system into areas, each area of the solar panel is connected with the controller through a wire harness, the solar panel comprises a plurality of solar cells, the solar panel is divided into 8 parts according to the arrangement condition of the solar cells, and 8 divided areas are obtained;
and the light intensity monitoring module is used for arranging a photosensitive sensor at the center of the solar panel and monitoring the light intensity on the surface of the solar panel through the photosensitive sensor.
CN202311421091.1A 2023-10-27 2023-10-27 Protection control method and system for energy storage wire harness Active CN117477622B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311421091.1A CN117477622B (en) 2023-10-27 2023-10-27 Protection control method and system for energy storage wire harness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311421091.1A CN117477622B (en) 2023-10-27 2023-10-27 Protection control method and system for energy storage wire harness

Publications (2)

Publication Number Publication Date
CN117477622A CN117477622A (en) 2024-01-30
CN117477622B true CN117477622B (en) 2024-05-03

Family

ID=89639076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311421091.1A Active CN117477622B (en) 2023-10-27 2023-10-27 Protection control method and system for energy storage wire harness

Country Status (1)

Country Link
CN (1) CN117477622B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012348B1 (en) * 2010-11-01 2011-02-09 박기주 Circuit Sensing Control Device of Solar Power System
WO2013034403A1 (en) * 2011-09-06 2013-03-14 Robert Bosch Gmbh Solar module, photovoltaic system and method for operating such a system
CN104969139A (en) * 2013-03-20 2015-10-07 富士电机株式会社 The Sun can generate system
CN206530996U (en) * 2017-03-15 2017-09-29 青岛天盈华智科技有限公司 A kind of Solar Street Lighting System, controller for solar and its wire harness
CN207603289U (en) * 2017-12-12 2018-07-10 中山市艾斯帕新能源科技有限公司 Current protection controller suitable for solar energy power generation
CN207968082U (en) * 2017-12-12 2018-10-12 胡家兴 A kind of energy storage type high-power electric appliance tool and distributed energy storing-releasing system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012348B1 (en) * 2010-11-01 2011-02-09 박기주 Circuit Sensing Control Device of Solar Power System
WO2013034403A1 (en) * 2011-09-06 2013-03-14 Robert Bosch Gmbh Solar module, photovoltaic system and method for operating such a system
CN104969139A (en) * 2013-03-20 2015-10-07 富士电机株式会社 The Sun can generate system
CN206530996U (en) * 2017-03-15 2017-09-29 青岛天盈华智科技有限公司 A kind of Solar Street Lighting System, controller for solar and its wire harness
CN207603289U (en) * 2017-12-12 2018-07-10 中山市艾斯帕新能源科技有限公司 Current protection controller suitable for solar energy power generation
CN207968082U (en) * 2017-12-12 2018-10-12 胡家兴 A kind of energy storage type high-power electric appliance tool and distributed energy storing-releasing system

Also Published As

Publication number Publication date
CN117477622A (en) 2024-01-30

Similar Documents

Publication Publication Date Title
CN113043893B (en) Charging system for battery changing station or energy storage station
AU2019215491B2 (en) Photovoltaic power generation system and photovoltaic power transmission method
CN1902808B (en) Decentralized power generation system
KR102734182B1 (en) System for photovoltaics
GB2499346A (en) Supervisory system controller for use with a renewable energy powered radio telecommunications site
CN102480164A (en) Hybrid energy power supply system and hybrid energy power supply method
CN102468685A (en) Power supply system
CN114161983A (en) Battery replacing system of electric vehicle and charging method of battery pack
CN111284354A (en) Charging system and charging method
TWI846346B (en) Charging system
CN111987792B (en) Power supply device and power supply method thereof
CN117477622B (en) Protection control method and system for energy storage wire harness
CN108155695B (en) Parallel charging and discharging system and protection method for single battery cabinet group
CN112103936B (en) Island light storage direct current micro-grid mode self-adaption method
EP2944013B1 (en) Electric power system
KR20240032633A (en) Back-up device and photovoltaic system including the same
CN112564254B (en) 5G micro base station power supply system based on intelligent distribution power supply of battery replacement cabinet
KR102144833B1 (en) Reverse power device for vehicle
KR102775393B1 (en) APPARATUS OF POWER SUPPLY EMBEDDING LiFePo4 BATTERY FOR 5G L2 SWITCH
EP4152547A1 (en) Energy storage system
CN217022259U (en) Electrical power distribution framework of power changing station and power changing station
KR102641849B1 (en) Multi micro-grid system using multi-circuit power converter
CN119519538A (en) Off-grid photovoltaic storage system, control method, charging and discharging method and circuit
CN118054516A (en) Battery management system integrating bidirectional inversion technology and control method thereof
CN118353109A (en) Method and system for monitoring whole-package floor charger of multiple power batteries

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant