CN117154799B - Remote monitoring method and device for energy storage inversion equipment and computer storage medium - Google Patents

Remote monitoring method and device for energy storage inversion equipment and computer storage medium Download PDF

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Publication number
CN117154799B
CN117154799B CN202311413856.7A CN202311413856A CN117154799B CN 117154799 B CN117154799 B CN 117154799B CN 202311413856 A CN202311413856 A CN 202311413856A CN 117154799 B CN117154799 B CN 117154799B
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energy storage
control
data
supervised
battery management
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CN117154799A (en
Inventor
王贤兵
李东升
梁昌宏
王丕兴
吴金盏
邓海东
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Shenzhen Herunda Technology Co ltd
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Shenzhen Herunda Technology Co ltd
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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
    • 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
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • 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
    • H02J13/00004—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 the power network being locally controlled
    • 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
    • H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H02J13/00026—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
    • 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
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a remote monitoring method and device of energy storage inversion equipment and a computer storage medium, wherein the method is applied to an energy storage remote control system and comprises the following steps: the energy storage remote control system determines a system to be supervised, which needs to perform data real-time monitoring; the system to be supervised comprises an energy storage conversion and battery management system; collecting supervision data corresponding to a system to be supervised in real time; judging whether the supervision data meet preset control conditions, if so, generating a control instruction for a system to be supervised according to the control conditions, and adjusting system operation parameters corresponding to the system to be supervised in real time through the control instruction so that the supervision data of the adjusted system to be supervised do not meet the control conditions; the control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system. Therefore, the invention can improve the operation safety of the energy storage inversion device and widen the control range of the energy storage inversion device.

Description

Remote monitoring method and device for energy storage inversion equipment and computer storage medium
Technical Field
The invention relates to the technical field of energy storage remote control, in particular to a remote monitoring method and device of energy storage inversion equipment and a computer storage medium.
Background
A plurality of energy storage inverter devices are commonly arranged in the existing electric power facilities to convert the input high-voltage alternating current into direct current which can be used for production operation. Meanwhile, because the energy storage inverter needs to handle dangerous high-voltage current, corresponding operators need to be allocated to monitor and inquire the equipment state and the electric energy data acquisition and analysis of the electrochemical body in the DC-AC and AC-DC charging and discharging processes of the energy storage inverter besides the conventional safety measure setting of the energy storage inverter. However, if the human body is in close-range on-site contact with the energy storage battery device working at strong voltage and high current, the environment itself has many factors affecting the safety of the operator, that is, the operation safety of the operator is not high. In addition, if the energy storage inverter is not distributed with corresponding operators for real-time monitoring, the equipment state of the energy storage inverter cannot be monitored in real time, and when dangerous accidents such as electric fire and battery fire occur, the operation of the energy storage inverter cannot be closed in time, namely, the defect limits the supervision range of the operators on the energy storage inverter. Therefore, it is important to provide a corresponding solution to the technical problems of low operation safety and limited operation range of the existing energy storage inverter device.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a remote monitoring method and device of energy storage inversion equipment and a computer storage medium, which can be beneficial to improving the operation safety of the energy storage inversion device, realizing the remote control of the energy storage inversion device and widening the control range of the energy storage inversion device.
In order to solve the technical problem, a first aspect of the present invention discloses a remote monitoring method of an energy storage inverter device, where the method is applied to an energy storage remote control system, and the method includes:
the energy storage remote control system determines a to-be-supervised system which is required to execute data real-time monitoring currently; the system to be supervised comprises an energy storage conversion system and a battery management system;
the energy storage remote management and control system acquires the supervision data corresponding to the system to be supervised in real time, wherein the supervision data comprises first management and control data corresponding to the energy storage conversion system and/or second management and control data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter;
the energy storage remote management and control system judges whether the supervision data meet preset management and control conditions, generates a control instruction for the system to be supervised according to the management and control conditions when judging that the supervision data meet the preset management and control conditions, and adjusts system operation parameters corresponding to the system to be supervised in real time through the control instruction so that the supervision data corresponding to the adjusted system to be supervised do not meet the management and control conditions;
The control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system.
As an optional implementation manner, in the first aspect of the present invention, the determining, by the energy storage remote control system, whether the supervision data meets a preset control condition includes:
the energy storage remote control system judges whether pre-control parameters corresponding to the current moment exist or not, wherein the pre-control parameters are preset parameters for starting to switch the energy storage conversion system and/or the system start-stop state corresponding to the battery management system at the current moment;
when judging that the pre-control parameters corresponding to the current moment exist, the energy storage remote control system determines that the supervision data meet preset control conditions;
when judging that the pre-control parameters corresponding to the current moment do not exist, the energy storage remote control system judges whether the temperature data in the supervision data are higher than a set temperature threshold value, and when judging that the temperature data in the supervision data are higher than the temperature threshold value, the energy storage remote control system determines that the supervision data meet preset control conditions;
wherein the temperature data in the supervision data comprises a battery charging temperature or a battery discharging temperature of each single battery in all battery packs of the battery management system.
In a first aspect of the present invention, the energy storage remote control system generates a control instruction for the system to be monitored according to the control condition, and adjusts a system operation parameter corresponding to the system to be monitored in real time through the control instruction, including:
when judging that the pre-control parameters corresponding to the current moment exist, the energy storage remote control system generates a timing control instruction aiming at the system to be supervised according to the pre-control parameters, and then switches the system start-stop state corresponding to the energy storage conversion system and/or the battery management system according to the timing control instruction; the timing control instruction comprises the duration of the timing control instruction;
when the temperature data in the monitoring data is judged to be higher than the temperature threshold value, the energy storage remote control system generates a temperature regulation instruction aiming at the system to be monitored according to a preset temperature regulation strategy; and according to the temperature regulation instruction, cooling treatment or start-stop control is carried out on the battery management system;
wherein the temperature threshold comprises a first temperature threshold and a second temperature threshold, and the first temperature threshold is lower than the second temperature threshold;
The temperature adjustment instruction is configured to perform the cooling process on the battery management system when the temperature data is only above the first temperature threshold and below the second temperature threshold;
and when the temperature data is higher than the second temperature threshold value, the temperature regulation instruction is used for executing the start-stop control on the battery management system so as to forcibly shut down the operation of the battery management system.
As an optional implementation manner, in the first aspect of the present invention, before the energy storage remote control system collects the supervision data corresponding to the to-be-supervised system in real time, the method further includes:
the energy storage remote control system detects a system start-stop state of the system to be supervised, wherein the system start-stop state comprises a first state in which only the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate simultaneously or a third state opposite to the second state;
the energy storage remote management and control system judges whether the system start-stop state of the system to be supervised is the third state, and when the system start-stop state of the system to be supervised is judged not to be the third state, the operation of acquiring the supervision data corresponding to the system to be supervised in real time is triggered and executed;
The energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time, and the method comprises the following steps:
when detecting that the system start-stop state corresponding to the supervision system is the first state, the energy storage remote control system acquires first operation data of the battery management system in real time;
when the battery management system is in a charging or discharging state, the first operation data comprise first electric parameters or second electric parameters corresponding to each single battery in all the battery packs of the battery management system, wherein the first electric parameters comprise charging voltage, charging current and battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature.
As an optional implementation manner, in the first aspect of the present invention, the energy storage conversion system is configured to convert an input ac power into a dc power, and perform dc charging on all the battery packs in the battery management system through the dc power;
the energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time and further comprises:
when detecting that the system start-stop state corresponding to the supervision system is the second state, the energy storage remote control system acquires the first operation data of the battery management system and the second operation data of the energy storage conversion system in real time;
When the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharging voltage and a bus discharging current;
the preset electric state comprises a state that the energy storage conversion system executes the direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving the power supply current output by the battery management system.
As an optional implementation manner, in the first aspect of the present invention, before the energy storage remote control system determines whether the supervision data meets a preset control condition, the method further includes:
the energy storage remote control system detects whether a remote control instruction for the system to be monitored is received, and when the remote control instruction for the system to be monitored is not received, the operation of judging whether the monitored data meet the corresponding operation of the preset control condition is triggered and executed;
when detecting that a remote control instruction aiming at the system to be supervised is received, the energy storage remote control system executes remote control operation on the energy storage conversion system and/or the battery management system according to the remote control instruction;
The remote control operation comprises at least one operation of start-stop control, operation parameter setting, parameter numbering and charge-discharge capacity setting of each single battery corresponding to the battery management system for the energy storage conversion system and/or the battery management system.
As an optional implementation manner, in the first aspect of the present invention, the energy storage remote control system is composed of a local monitoring management system and a communication module:
the local monitoring management system is used for collecting the supervision data and analyzing and storing the supervision data;
the local monitoring management system is also used for establishing communication with the Internet through the communication module, and uploading the supervision data to the cloud end so that a user can check the supervision data uploaded to the cloud end through the mobile terminal;
the local monitoring management system is also used for receiving the remote control instruction triggered by the user through the mobile terminal through the communication module, and executing the remote control operation on the system to be supervised through the remote control instruction.
The second aspect of the invention discloses a remote monitoring device of an energy storage inversion device, the device is applied to an energy storage remote control system, and the device comprises:
The determining module is used for determining a to-be-supervised system which is required to execute data real-time monitoring currently; the system to be supervised comprises an energy storage conversion system and a battery management system;
the acquisition module is used for acquiring the supervision data corresponding to the system to be supervised in real time, wherein the supervision data comprises first management data corresponding to the energy storage conversion system and/or second management data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter;
the first judging module is used for judging whether the supervision data meets preset control conditions or not;
the command control module is used for generating a control command for the system to be supervised according to the control condition when the first judging module judges that the supervision data meets the preset control condition, and adjusting the system operation parameters corresponding to the system to be supervised in real time through the control command so that the supervision data corresponding to the adjusted system to be supervised does not meet the control condition;
the control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system.
In a second aspect of the present invention, the manner in which the first judging module judges whether the supervision data meets the preset control condition specifically includes:
Judging whether pre-control parameters corresponding to the current moment exist or not, wherein the pre-control parameters are preset parameters for starting to switch the energy storage conversion system and/or the system start-stop state corresponding to the battery management system at the current moment;
when judging that the pre-control parameters corresponding to the current moment exist, determining that the supervision data meet preset control conditions;
when judging that the pre-control parameters corresponding to the current moment do not exist, judging whether the temperature data in the supervision data are higher than a set temperature threshold value, and when judging that the temperature data in the supervision data are higher than the temperature threshold value, determining that the supervision data meet a preset control condition;
wherein the temperature data in the supervision data comprises a battery charging temperature or a battery discharging temperature of each single battery in all battery packs of the battery management system.
In a second aspect of the present invention, the method for generating, by the instruction control module, a control instruction for the system to be monitored according to the control condition, and adjusting, in real time, a system operation parameter corresponding to the system to be monitored by the control instruction specifically includes:
When the existence of the pre-control parameter corresponding to the current moment is judged, a timing control instruction aiming at the system to be supervised is generated according to the pre-control parameter, and then the system start-stop state corresponding to the energy storage conversion system and/or the battery management system is switched according to the timing control instruction; the timing control instruction comprises the duration of the timing control instruction;
when the temperature data in the monitoring data is judged to be higher than the temperature threshold value, generating a temperature regulation instruction aiming at the system to be monitored according to a preset temperature regulation strategy; and according to the temperature regulation instruction, cooling treatment or start-stop control is carried out on the battery management system;
wherein the temperature threshold comprises a first temperature threshold and a second temperature threshold, and the first temperature threshold is lower than the second temperature threshold;
the temperature adjustment instruction is configured to perform the cooling process on the battery management system when the temperature data is only above the first temperature threshold and below the second temperature threshold;
and when the temperature data is higher than the second temperature threshold value, the temperature regulation instruction is used for executing the start-stop control on the battery management system so as to forcibly shut down the operation of the battery management system.
As an alternative embodiment, in the second aspect of the present invention, the apparatus further includes:
the first detection module is used for detecting a system start-stop state of the system to be supervised before the acquisition module acquires supervision data corresponding to the system to be supervised in real time, wherein the system start-stop state comprises a first state in which only the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate at the same time or a third state opposite to the second state;
the second judging module is used for judging whether the system start-stop state of the system to be supervised is the third state, and triggering the acquisition module to execute the operation corresponding to the supervision data corresponding to the real-time acquisition of the system to be supervised when the system start-stop state of the system to be supervised is not the third state;
the mode of the acquisition module for acquiring the supervision data corresponding to the system to be supervised in real time specifically comprises the following steps:
when detecting that the system start-stop state corresponding to the supervision system is the first state, acquiring first operation data of the battery management system in real time;
when the battery management system is in a charging or discharging state, the first operation data comprise first electric parameters or second electric parameters corresponding to each single battery in all the battery packs of the battery management system, wherein the first electric parameters comprise charging voltage, charging current and battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature.
As an alternative embodiment, in the second aspect of the present invention, the energy storage conversion system is configured to convert an input ac power into a dc power, and perform dc charging for all the battery packs in the battery management system by the dc power;
the mode of the acquisition module for acquiring the supervision data corresponding to the system to be supervised in real time specifically further comprises the following steps:
when the system start-stop state corresponding to the supervision system is detected to be the second state, acquiring the first operation data of the battery management system and the second operation data of the energy storage conversion system in real time;
when the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharging voltage and a bus discharging current;
the preset electric state comprises a state that the energy storage conversion system executes the direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving the power supply current output by the battery management system.
As an alternative embodiment, in the second aspect of the present invention, the apparatus further includes:
the second detection module is used for detecting whether a remote control instruction for the system to be supervised is received before the first judgment module judges whether the supervision data meets the preset control condition, and triggering the first judgment module to execute the operation corresponding to judging whether the supervision data meets the preset control condition when the fact that the remote control instruction for the system to be supervised is not received is detected;
the remote control module is used for executing remote control operation on the energy storage conversion system and/or the battery management system according to the remote control instruction when the second detection module detects that the remote control instruction aiming at the system to be supervised is received;
the remote control operation comprises at least one operation of start-stop control, operation parameter setting, parameter numbering and charge-discharge capacity setting of each single battery corresponding to the battery management system for the energy storage conversion system and/or the battery management system.
As an optional implementation manner, in the second aspect of the present invention, the energy storage remote control system is composed of a local monitoring management system and a communication module:
The local monitoring management system is used for collecting the supervision data and analyzing and storing the supervision data;
the local monitoring management system is also used for establishing communication with the Internet through the communication module, and uploading the supervision data to the cloud end so that a user can check the supervision data uploaded to the cloud end through the mobile terminal;
the local monitoring management system is also used for receiving the remote control instruction triggered by the user through the mobile terminal through the communication module, and executing the remote control operation on the system to be supervised through the remote control instruction.
The third aspect of the invention discloses a remote monitoring device of another energy storage inversion device, which comprises:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program codes stored in the memory to execute the remote monitoring method of the energy storage inversion equipment disclosed in the first aspect of the invention.
A fourth aspect of the present invention discloses a computer storage medium storing computer instructions that, when invoked, are used to perform the method of remote monitoring of an energy storage inverter device disclosed in the first aspect of the present invention.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in an embodiment of the present invention, a remote monitoring method for an energy storage inverter device is provided, where the method is applied to an energy storage remote control system, and the method includes: the energy storage remote control system determines a to-be-supervised system which needs to execute data real-time monitoring at present; the system to be supervised comprises an energy storage conversion system and a battery management system; the energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time, wherein the supervision data comprises first management and control data corresponding to the energy storage conversion system and/or second management and control data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter; the energy storage remote management and control system judges whether the supervision data meet preset management and control conditions, generates a control instruction for a system to be monitored according to the management and control conditions when judging that the supervision data meet the preset management and control conditions, and adjusts system operation parameters corresponding to the system to be monitored in real time through the control instruction so that the supervision data corresponding to the adjusted system to be monitored do not meet the management and control conditions; the control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system. Therefore, the implementation of the invention can take the set energy storage remote control system as a base point, and acquire the data corresponding to the system to be supervised (the energy storage conversion system and the battery management system) in real time; remote real-time data supervision and check of the system to be supervised are realized; different from the traditional mode that personnel need to be arranged to check on site when monitoring the system to be monitored, the method provided by the embodiment of the invention is beneficial to improving the timeliness and convenience of data monitoring aiming at the system to be monitored; further, when the supervision data is judged to meet the preset supervision condition, a corresponding control instruction is automatically generated to conduct remote intelligent adjustment of the system operation parameters of the system to be supervised, so that on-site manual system operation parameter adjustment is not needed, and the adjustment efficiency of staff on the system operation parameter adjustment is improved, and adjustment convenience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a remote monitoring method of an energy storage inverter device according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of another method for remotely monitoring an energy storage inverter device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a remote monitoring device of an energy storage inverter device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a remote monitoring device of another energy storage inverter apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a remote monitoring device of another energy storage inverter apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a remote monitoring device of another energy storage inverter device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, apparatus, article, or article that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or article.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The invention discloses a remote monitoring method and a remote monitoring device for energy storage inversion equipment, and a computer storage medium, wherein the remote monitoring method and the remote monitoring device can acquire data corresponding to a system to be monitored (an energy storage conversion system and a battery management system) in real time by taking a set energy storage remote control system as a base point; remote real-time data supervision and check of the system to be supervised are realized; different from the traditional mode that personnel need to be arranged to check on site when monitoring the system to be monitored, the method provided by the embodiment of the invention is beneficial to improving the timeliness and convenience of data monitoring aiming at the system to be monitored; further, when the supervision data is judged to meet the preset supervision condition, a corresponding control instruction is automatically generated to conduct remote intelligent adjustment of the system operation parameters of the system to be supervised, so that on-site manual system operation parameter adjustment is not needed, and the adjustment efficiency of staff on the system operation parameter adjustment is improved, and adjustment convenience is improved. The following will describe in detail.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of a remote monitoring method of an energy storage inverter device according to an embodiment of the invention. The remote monitoring method of the energy storage inverter device described in fig. 1 may be applied to a remote monitoring apparatus of the energy storage inverter device, which is not limited by the embodiment of the present invention. As shown in fig. 1, the remote monitoring method of the energy storage inverter device may include the following operations:
101. the energy storage remote control system determines a to-be-supervised system which needs to execute data real-time monitoring at present; the system to be supervised comprises an energy storage conversion system and a battery management system.
102. And the energy storage remote management and control system acquires the supervision data corresponding to the system to be supervised in real time.
In the embodiment of the invention, the supervision data comprises first management and control data corresponding to the PCS of the energy storage conversion system and/or second management and control data corresponding to the BMS of the battery management system; the energy storage conversion system comprises an energy storage inverter.
In the embodiment of the present invention, the first control data corresponding to the energy storage conversion system may specifically include operation data corresponding to the energy storage inverter, such as a charging period, a discharging period, a time of stopping charging and discharging, a fault alarm signal, and the like, which is not limited in the embodiment of the present invention.
The energy storage conversion system PCS can also be a power conversion system PCS, and a voltage prototype converter (VSC) based on a PWM technology is generally adopted, so that energy transfer between a direct-current battery pack and an alternating-current power grid in the battery management system BMS is mainly realized, and the energy storage conversion system PCS is a carrier for executing functions and performances of an inversion system. In addition, the PCS of the energy storage conversion system can also realize the control and protection functions of the whole energy storage system, including control and off-grid switch, working parameters and operation logic of the system, equipment, abnormal handling on the AC-DC side, fault protection and the like.
In the embodiment of the present invention, the second management data corresponding to the BMS may include an operation parameter and a parameter number of the BMS. The operation parameters of the battery management system may include the operation state of each battery pack in the battery management system, and real-time current data, real-time voltage data, real-time battery temperature of charging and discharging, etc., which are not limited in the embodiments of the present invention.
In the embodiment of the present invention, referring to fig. 6, fig. 6 is a schematic structural diagram of another remote monitoring device for an energy storage inverter device disclosed in the embodiment of the present invention, as shown in fig. 6, the device is applied to an energy storage remote control system, and the energy storage remote control system is composed of a local monitoring management system and a communication module:
The local monitoring management system PLC is used for collecting supervision data, analyzing and storing the supervision data;
specifically, after the local monitoring management system PLC collects the supervision data corresponding to the system to be supervised, the local monitoring management system PLC transmits the supervision data to the CPU microprocessor, so as to store the supervision data locally.
The monitoring data corresponding to the system to be monitored are mainly used for monitoring equipment such as a battery pack, energy storage inversion equipment, a metering ammeter, a camera and the like of the battery management system BMS, so that data interaction, command transmission, data storage, man-machine interaction, communication interfaces with an upper computer or an external server and the like are realized.
The local monitoring management system PLC is also used for establishing communication with the Internet through the communication module, and uploading the supervision data to the cloud so that a user can check the supervision data uploaded to the cloud through the mobile terminal;
in an embodiment of the present invention, optionally, as shown in fig. 6, the communication module may include an ethernet, a 4G wireless module, and a WIFI module; after the local monitoring management system PLC locally stores the supervision data, the supervision data can be uploaded to the cloud service in real time according to the requirement.
The local monitoring management system is also used for receiving a remote control instruction triggered by a user through the mobile terminal through the communication module and executing remote control operation on the system to be supervised through the remote control instruction.
In an embodiment of the present invention, optionally, as shown in fig. 6, the energy storage remote control system may further include a start-stop control device and an associated energy storage conversion control device, and by linkage of the two devices, the start-stop state of the energy storage inverter device corresponding to the energy storage conversion control device is controlled.
In the embodiment of the invention, the user terminal, such as a mobile phone, can remotely check the supervision data uploaded to the cloud service through the APP loaded on the mobile phone, thereby realizing the real-time access and monitoring of the working states of the whole energy storage remote system and the controlled area/equipment thereof. The user terminal may also be a tablet, a computer, etc., which is not limited by the embodiment of the invention.
Furthermore, the user can send a corresponding control instruction except for the real-time access of the supervision data through the user terminal, and control the start and stop of the system equipment governed by the energy storage remote system, for example, the user triggers a control instruction for remotely controlling the stop of the energy storage inversion equipment through a mobile phone APP, the control instruction is transmitted to the cloud end through the user terminal, and then is fed back to the energy storage remote control system through the Internet and the communication module, and the energy storage remote control system accurately feeds back to the start and stop control device and the corresponding energy storage conversion control device according to the control instruction, so that the energy storage inversion equipment is controlled to stop running through the energy storage conversion control device.
In the embodiment of the present invention, as shown in fig. 6, optionally, the battery management system is externally connected with a photovoltaic system, and the photovoltaic system is used for performing photovoltaic charging on all battery packs of the battery management system.
103. And the energy storage remote control system judges whether the supervision data meets preset control conditions.
In the embodiment of the invention, a series of control conditions are preset, and the energy storage remote control system compares the control conditions with the screening criteria after collecting the supervision data, so that when the energy storage remote control system automatically judges that the supervision data meets the control conditions, a subsequent processing flow is executed on the supervision data.
The setting of the control conditions can be used as an early warning prompt of abnormal data/abnormal events, and intelligent analysis and intelligent early warning of supervision data are realized.
104. When the supervision data is judged to meet the preset control conditions, a control instruction aiming at the system to be supervised is generated according to the control conditions, and system operation parameters corresponding to the system to be supervised are adjusted in real time through the control instruction.
In the embodiment of the invention, the system operation parameters corresponding to the system to be supervised are adjusted in real time through the control instruction, so that the supervision data corresponding to the adjusted system to be supervised does not meet the control conditions;
The control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system.
In the embodiment of the present invention, it should be noted that, by the structure shown in fig. 6, the energy storage remote control system implements communication between a local monitoring management system (PLC) and each terminal device, and monitors the whole device and the moving ring system (including power, environment, fire protection, security, network, etc.). And a communication interface, such as an ethernet, with an upper computer or an external server, while supporting various standard power communication protocols, such as IEC61850, IEC60870D, etc.
The PLC is used as a local monitoring management system, modbus RTU/TCP communication is adopted between the PLC and the PCS of the energy storage conversion system, and the PLC is used for carrying out data acquisition and instruction issuing on the PCS; the PLC and the battery management system BMS communicate in a communication mode of Modbus RTU protocol RS485, and are used for collecting and monitoring data of the BMS; the PLC and the metering ammeter are communicated in a Modbus RTU protocol RS485 communication mode, so that data acquisition and monitoring are carried out on the metering ammeter.
In the embodiment of the invention, the data storage aspect of the PLC can be divided into local data storage and remote data storage. The local data storage mainly depends on a memory card configured by the PLC. The remote data storage can be transmitted to the server through an external communication interface, the data can be transmitted to the cloud server through the Ethernet, and the remote data storage is accessed through WEB or mobile phone APP, and the embodiment of the invention is not limited.
For the above system, the structured data comes mainly from the BMS and PCS. The data of the BMS mainly comprise the voltage, the temperature and the like of each single battery in the battery pack of the BMS, and the total voltage and the working state of the battery pack; the data of the PCS are mainly bus voltage, current, power, and the like at each time point.
Therefore, the implementation of the remote monitoring method of the energy storage inversion device described in fig. 1 can take the set energy storage remote control system as a base point, and acquire the data corresponding to the system to be monitored (the energy storage conversion system and the battery management system) in real time; remote real-time data supervision and check of the system to be supervised are realized; different from the traditional mode that personnel need to be arranged to check on site when monitoring the system to be monitored, the method provided by the embodiment of the invention is beneficial to improving the timeliness and convenience of data monitoring aiming at the system to be monitored; further, when the supervision data is judged to meet the preset supervision condition, a corresponding control instruction is automatically generated to conduct remote intelligent adjustment of the system operation parameters of the system to be supervised, so that on-site manual system operation parameter adjustment is not needed, and the adjustment efficiency of staff on the system operation parameter adjustment is improved, and adjustment convenience is improved.
In an optional embodiment, the method for determining whether the supervision data meets the preset control condition by the energy storage remote control system in step 103 specifically includes:
the energy storage remote control system judges whether pre-control parameters corresponding to the current moment exist or not, wherein the pre-control parameters are preset parameters for starting to switch the energy storage conversion system and/or the system start-stop state corresponding to the battery management system at the current moment;
when the existence of the pre-control parameter corresponding to the current moment is judged, the energy storage remote control system determines that the supervision data meets the preset control condition;
when judging that the pre-control parameters corresponding to the current moment do not exist, the energy storage remote control system judges whether the temperature data in the supervision data are higher than a set temperature threshold value, and when judging that the temperature data in the supervision data are higher than the temperature threshold value, the energy storage remote control system determines that the supervision data meet preset control conditions;
the temperature data in the supervision data comprises a battery charging temperature or a battery discharging temperature of each single battery in all battery packs of the battery management system.
In this alternative embodiment, the pre-control parameter may specifically be a pre-control parameter for the energy storage conversion system and/or the battery management system, for example, the current time is 10 a.m. when the battery management system is mainly a photovoltaic system connected with the external source, and at this time, the energy storage conversion system is not required to be started to supply power to the battery management system, and the energy storage conversion system may be switched to the off state at regular time through the pre-control parameter, so that the timing control function for the energy storage conversion system and/or the battery management system is realized.
In this optional embodiment, specifically, when there is no pre-control parameter corresponding to the current time, the temperature threshold may be further determined, that is, the constant temperature control function is implemented.
In this alternative embodiment, the timing and constant temperature control of the system to be monitored is realized based on the pre-control parameter and the temperature threshold by setting the limit of the control condition on the monitoring data, so as to improve the control diversity of the system to be monitored.
In another optional embodiment, the method for generating, by the energy storage remote control system, a control instruction for the system to be monitored according to the control condition and adjusting, in real time, the system operation parameters corresponding to the system to be monitored by the control instruction specifically includes:
when the existence of the pre-control parameter corresponding to the current moment is judged, the energy storage remote control system generates a timing control instruction aiming at the system to be monitored according to the pre-control parameter, and then the system start-stop state corresponding to the energy storage conversion system and/or the battery management system is switched according to the timing control instruction; the timing control instruction includes a duration of the timing control instruction;
when the temperature data in the monitoring data is judged to be higher than the temperature threshold value, the energy storage remote control system generates a temperature adjustment instruction for a system to be monitored according to a preset temperature adjustment strategy; and according to the temperature regulation instruction, performing cooling treatment or start-stop control on the battery management system;
The temperature threshold comprises a first temperature threshold and a second temperature threshold, and the first temperature threshold is lower than the second temperature threshold;
when the temperature data is only higher than the first temperature threshold value and lower than the second temperature threshold value, the temperature regulation instruction is used for executing cooling treatment on the battery management system;
when the temperature data is higher than the second temperature threshold, the temperature regulation instruction is used for executing start-stop control on the battery management system so as to forcibly shut down the operation of the battery management system.
In the optional embodiment, the timing intelligent control is performed on the start-stop state of the system corresponding to the energy storage conversion system and/or the battery management system through the set pre-control parameters, so that the accuracy and reliability of the timing intelligent control are improved; the process flow of the set at least two layers of temperature thresholds is beneficial to the accuracy of executing temperature adjustment on the battery management system.
In yet another optional embodiment, before the energy storage remote control system determines whether the supervision data meets the preset control condition, the method further includes:
the energy storage remote control system detects whether a remote control instruction for the system to be monitored is received, and when the remote control instruction for the system to be monitored is not received, the operation of judging whether the monitoring data meet the preset control condition is triggered and executed;
When detecting that a remote control instruction aiming at a system to be monitored is received, the energy storage remote control system executes remote control operation on the energy storage conversion system and/or the battery management system according to the remote control instruction;
the remote control operation includes at least one operation of start-stop control, operation parameter setting, parameter number, charge-discharge capacity setting for each single battery corresponding to the battery management system for the system device respectively managed by the energy storage conversion system and/or the battery management system.
In the optional embodiment, a remote control response flow for the system to be monitored is set, so that a user can remotely view the supervision data corresponding to the system to be monitored in real time through a remote terminal, the convenience of viewing the supervision data by the user is improved, and the timeliness of the supervision data is improved; meanwhile, a user can execute remote data adjustment configuration on the system to be monitored based on the remote mobile terminal, so that remote system operation parameter configuration and adjustment can be realized without being placed on the site where the system to be monitored is placed, and the convenience in controlling the system to be monitored is improved; meanwhile, the operation parameters of the adjusting system can be refined to specific system equipment, and the accuracy of the adjustment of the operation parameters of the system is improved.
Example two
Referring to fig. 2, fig. 2 is a flow chart of another remote monitoring method of an energy storage inverter device according to an embodiment of the invention. The remote monitoring method of the energy storage inverter device described in fig. 2 may be applied to a remote monitoring apparatus of the energy storage inverter device, which is not limited by the embodiment of the present invention. As shown in fig. 2, the remote monitoring method of the energy storage inverter device may include the following operations:
201. the energy storage remote control system determines a to-be-supervised system which needs to execute data real-time monitoring at present; the system to be supervised comprises an energy storage conversion system and a battery management system.
202. The energy storage remote control system detects the system start-stop state of the system to be supervised.
In the embodiment of the invention, the system start-stop state comprises a first state in which only the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate simultaneously or a third state opposite to the second state.
203. And the energy storage remote control system judges whether the system start-stop state of the system to be supervised is a third state.
In the embodiment of the present invention, when the determination result in step 203 is no, step 204 is triggered and executed.
204. When the system start-stop state corresponding to the supervision system is detected to be the first state, the energy storage remote control system collects first operation data of the battery management system in real time.
In the embodiment of the invention, when the battery management system is in a charging or discharging state, the first operation data comprises a first electric parameter or a second electric parameter corresponding to each single battery in all battery packs of the battery management system, and the first electric parameter comprises a charging voltage, a charging current and a battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature.
205. And the energy storage remote control system judges whether the supervision data meets preset control conditions.
206. When the supervision data is judged to meet the preset control conditions, a control instruction aiming at the system to be supervised is generated according to the control conditions, and system operation parameters corresponding to the system to be supervised are adjusted in real time through the control instruction.
In the embodiment of the present invention, for other descriptions of step 201 and step 205-step 206, please refer to other specific descriptions of step 101 and step 103-step 104 in the first embodiment, and the description of the embodiment of the present invention is omitted.
In the embodiment of the invention, optionally, the energy storage conversion system is used for converting the input alternating current into direct current and executing direct current charging for all battery packs in the battery management system through the direct current;
The method for the energy storage remote management and control system to collect the supervision data corresponding to the system to be supervised in real time specifically further comprises the following steps:
when detecting that the system start-stop state corresponding to the supervision system is the second state, the energy storage remote control system acquires first operation data of the battery management system and second operation data of the energy storage conversion system in real time;
when the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharge voltage and a bus discharge current;
the preset electric state comprises a state that the energy storage conversion system performs direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving power supply current output by the battery management system.
Therefore, by implementing the remote monitoring method of the energy storage inverter device described in fig. 2, the system start-stop state of the system to be monitored can be intelligently detected, so that the acquisition mode of the monitoring data to be acquired can be adjusted according to different system start-stop states, and the accuracy of the monitoring data acquired by the energy storage remote control system can be improved; the method is different from the method for indiscriminately collecting all data of the system to be supervised, and the targeted supervision data collection can be beneficial to reducing the collection of redundant data, reducing the data quantity required to be processed by the energy storage remote management system, and improving the processing efficiency and the processing accuracy of the subsequent execution data analysis processing to a certain extent.
Example III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a remote monitoring device of an energy storage inverter device according to an embodiment of the invention. The remote monitoring device of the energy storage inversion equipment can be a remote monitoring terminal, equipment, a system or a server of the energy storage inversion equipment, and the server can be a local server, a remote server or a cloud server (also called cloud server), and when the server is a non-cloud server, the non-cloud server can be in communication connection with the cloud server; in addition, the device can be applied to an energy storage remote control system, and the embodiment of the invention is not limited. As shown in fig. 3, the remote monitoring apparatus for the energy storage inverter device may include a determining module 301, an acquisition module 302, a first judging module 303, and an instruction control module 304, where:
a determining module 301, configured to determine a system to be supervised that is currently required to perform real-time data monitoring; the system to be supervised comprises an energy storage conversion system and a battery management system.
The acquisition module 302 is configured to acquire, in real time, monitoring data corresponding to a system to be monitored, where the monitoring data includes first control data corresponding to the energy storage conversion system and/or second control data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter;
In the embodiment of the invention, the energy storage remote management and control system consists of a local monitoring and management system and a communication module:
the local monitoring management system is used for collecting supervision data, analyzing and storing the supervision data;
the local monitoring management system is also used for establishing communication with the Internet through the communication module, and uploading the supervision data to the cloud end so that a user can check the supervision data uploaded to the cloud end through the mobile terminal;
the local monitoring management system is also used for receiving a remote control instruction triggered by a user through the mobile terminal through the communication module and executing remote control operation on the system to be supervised through the remote control instruction.
The first determining module 303 is configured to determine whether the supervision data meets a preset control condition.
The instruction control module 304 is configured to generate a control instruction for the to-be-monitored system according to the control condition when the first judging module 303 judges that the monitoring data meets the preset control condition, and adjust, in real time, a system operation parameter corresponding to the to-be-monitored system according to the control instruction, so that the adjusted monitoring data corresponding to the to-be-monitored system does not meet the control condition;
the control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system.
Therefore, the implementation of the remote monitoring device of the energy storage inversion device described in fig. 3 can take the set energy storage remote control system as a base point, and acquire the data corresponding to the system to be monitored (the energy storage conversion system and the battery management system) in real time; remote real-time data supervision and check of the system to be supervised are realized; different from the traditional mode that personnel need to be arranged to check on site when monitoring the system to be monitored, the method provided by the embodiment of the invention is beneficial to improving the timeliness and convenience of data monitoring aiming at the system to be monitored; further, when the supervision data is judged to meet the preset supervision condition, a corresponding control instruction is automatically generated to conduct remote intelligent adjustment of the system operation parameters of the system to be supervised, so that on-site manual system operation parameter adjustment is not needed, and the adjustment efficiency of staff on the system operation parameter adjustment is improved, and adjustment convenience is improved.
In an alternative embodiment, the first determining module 303 determines whether the supervision data meets the preset control condition specifically includes:
judging whether pre-control parameters corresponding to the current moment exist or not, wherein the pre-control parameters are preset parameters for starting and switching the energy storage conversion system and/or the system start-stop state corresponding to the battery management system at the current moment;
When the existence of the pre-control parameters corresponding to the current moment is judged, determining that the supervision data meets the preset control conditions;
when judging that the pre-control parameters corresponding to the current moment do not exist, judging whether the temperature data in the supervision data are higher than a set temperature threshold value, and when judging that the temperature data in the supervision data are higher than the temperature threshold value, determining that the supervision data meet preset control conditions;
the temperature data in the supervision data comprises a battery charging temperature or a battery discharging temperature of each single battery in all battery packs of the battery management system.
In this alternative embodiment, the timing and constant temperature control of the system to be monitored is realized based on the pre-control parameter and the temperature threshold by setting the limit of the control condition on the monitoring data, so as to improve the control diversity of the system to be monitored.
In another alternative embodiment, the method for generating the control command for the system to be monitored by the command control module 304 according to the control condition and adjusting the system operation parameters corresponding to the system to be monitored in real time by the control command specifically includes:
when the existence of the pre-control parameter corresponding to the current moment is judged, a timing control instruction aiming at the system to be monitored is generated according to the pre-control parameter, and then the system start-stop state corresponding to the energy storage conversion system and/or the battery management system is switched according to the timing control instruction; the timing control instruction includes a duration of the timing control instruction;
When the temperature data in the supervision data is judged to be higher than the temperature threshold value, generating a temperature adjustment instruction for a system to be monitored according to a preset temperature adjustment strategy; and according to the temperature regulation instruction, performing cooling treatment or start-stop control on the battery management system;
the temperature threshold comprises a first temperature threshold and a second temperature threshold, and the first temperature threshold is lower than the second temperature threshold;
when the temperature data is only higher than the first temperature threshold value and lower than the second temperature threshold value, the temperature regulation instruction is used for executing cooling treatment on the battery management system;
when the temperature data is higher than the second temperature threshold, the temperature regulation instruction is used for executing start-stop control on the battery management system so as to forcibly shut down the operation of the battery management system.
In the optional embodiment, the timing intelligent control is performed on the start-stop state of the system corresponding to the energy storage conversion system and/or the battery management system through the set pre-control parameters, so that the accuracy and reliability of the timing intelligent control are improved; the process flow of the set at least two layers of temperature thresholds is beneficial to the accuracy of executing temperature adjustment on the battery management system.
In yet another alternative embodiment, as shown in fig. 4, the apparatus further includes a first detection module 305, a second determination module 306, where:
The first detection module 305 is configured to detect a system start-stop state of the system to be monitored before the collection module 302 collects the monitoring data corresponding to the system to be monitored in real time, where the system start-stop state includes a first state in which only the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate simultaneously, or a third state opposite to the second state;
the second judging module 306 is configured to judge whether the system start-stop state of the system to be monitored is a third state, and when it is judged that the system start-stop state of the system to be monitored is not the third state, trigger the collecting module 302 to execute the above operation of collecting the corresponding monitoring data of the system to be monitored in real time;
the manner in which the acquisition module 302 acquires the supervision data corresponding to the system to be supervised in real time specifically includes:
when detecting that the system start-stop state corresponding to the supervision system is a first state, acquiring first operation data of the battery management system in real time;
when the battery management system is in a charging or discharging state, the first operation data comprise first electric parameters or second electric parameters corresponding to each single battery in all battery packs of the battery management system, and the first electric parameters comprise charging voltage, charging current and battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature.
In this alternative embodiment, the energy storage conversion system is optionally configured to convert the input ac power into dc power, and perform dc charging on all the battery packs in the battery management system through the dc power;
the manner of collecting the supervision data corresponding to the system to be supervised by the collection module 302 in real time specifically further includes:
when detecting that the system start-stop state corresponding to the supervision system is the second state, collecting first operation data of the battery management system and second operation data of the energy storage conversion system in real time;
when the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharge voltage and a bus discharge current;
the preset electric state comprises a state that the energy storage conversion system performs direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving power supply current output by the battery management system.
Therefore, in the optional embodiment, the system start-stop state of the system to be supervised can be intelligently detected, so that the acquisition mode of the supervision data to be acquired is adjusted according to different system start-stop states, and the accuracy of the supervision data acquired by the energy storage remote control system is improved; the method is different from the method for indiscriminately collecting all data of the system to be supervised, and the targeted supervision data collection can be beneficial to reducing the collection of redundant data, reducing the data quantity required to be processed by the energy storage remote management system, and improving the processing efficiency and the processing accuracy of the subsequent execution data analysis processing to a certain extent.
In yet another alternative embodiment, as shown in fig. 4, the apparatus further comprises a second detection module 307 and a remote control module 308, wherein:
the second detection module 307 is configured to detect whether a remote control instruction for the to-be-monitored system is received before the first determination module 303 determines whether the monitoring data meets a preset control condition, and trigger the first determination module 303 to execute the operation for determining whether the monitoring data meets the preset control condition when it is detected that the remote control instruction for the to-be-monitored system is not received;
the remote control module 308 is configured to execute a remote control operation on the energy storage conversion system and/or the battery management system according to the remote control instruction when the second detection module 307 detects that the remote control instruction for the system to be monitored is received;
the remote control operation includes at least one operation of start-stop control, operation parameter setting, parameter number, charge-discharge capacity setting for each single battery corresponding to the battery management system for the system device respectively managed by the energy storage conversion system and/or the battery management system.
In the optional embodiment, a remote control response flow for the system to be monitored is set, so that a user can remotely view the supervision data corresponding to the system to be monitored in real time through a remote terminal, the convenience of viewing the supervision data by the user is improved, and the timeliness of the supervision data is improved; meanwhile, a user can execute remote data adjustment configuration on the system to be monitored based on the remote mobile terminal, so that remote system operation parameter configuration and adjustment can be realized without being placed on the site where the system to be monitored is placed, and the convenience in controlling the system to be monitored is improved; meanwhile, the operation parameters of the adjusting system can be refined to specific system equipment, and the accuracy of the adjustment of the operation parameters of the system is improved.
Example IV
Referring to fig. 5, fig. 5 is a schematic structural diagram of a remote monitoring device of another energy storage inverter device according to an embodiment of the invention. As shown in fig. 5, the remote monitoring apparatus of the energy storage inverter device may include:
a memory 401 storing executable program codes;
a processor 402 coupled with the memory 401;
the processor 402 invokes executable program codes stored in the memory 401 to perform the steps in the remote monitoring method of the energy storage inverter device described in the first or second embodiment of the present invention.
Example five
The embodiment of the invention discloses a computer storage medium which stores computer instructions for executing the steps in the remote monitoring method of the energy storage inverter device described in the first embodiment or the second embodiment of the invention when the computer instructions are called.
Example six
An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer storage medium storing a computer program, and the computer program is operable to cause a computer to perform the steps in the remote monitoring method of the energy storage inverter device described in the first embodiment or the second embodiment.
The apparatus embodiments described above are merely illustrative, in which the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above detailed description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer storage medium including Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), programmable Read-Only Memory (PROM), erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), one-time programmable Read-Only Memory (OTPROM), electrically erasable programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM) or other optical disc Memory, magnetic disk Memory, tape Memory, or any other medium readable by a computer that can be used to carry or store data.
Finally, it should be noted that: the embodiment of the invention discloses a remote monitoring method and device of energy storage inverter equipment and a computer storage medium, which are disclosed by the embodiment of the invention, are only the preferred embodiments of the invention, and are only used for illustrating the technical scheme of the invention, but not limiting the technical scheme; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (8)

1. A method for remotely monitoring energy storage inverter equipment, wherein the method is applied to an energy storage remote control system, and the method comprises the following steps:
the energy storage remote control system determines a to-be-supervised system which is required to execute data real-time monitoring currently; the system to be supervised comprises an energy storage conversion system and a battery management system;
the energy storage remote management and control system acquires the supervision data corresponding to the system to be supervised in real time, wherein the supervision data comprises first management and control data corresponding to the energy storage conversion system and/or second management and control data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter;
The energy storage remote management and control system judges whether the supervision data meet preset management and control conditions, generates a control instruction for the system to be supervised according to the management and control conditions when judging that the supervision data meet the preset management and control conditions, and adjusts system operation parameters corresponding to the system to be supervised in real time through the control instruction so that the supervision data corresponding to the adjusted system to be supervised do not meet the management and control conditions;
the control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system;
before the energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time, the method further comprises:
the energy storage remote control system detects a system start-stop state of the system to be supervised, wherein the system start-stop state comprises a first state in which the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate simultaneously or a third state opposite to the second state;
the energy storage remote management and control system judges whether the system start-stop state of the system to be supervised is the third state, and when the system start-stop state of the system to be supervised is judged not to be the third state, the operation of acquiring the supervision data corresponding to the system to be supervised in real time is triggered and executed;
The energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time, and the method comprises the following steps:
when detecting that the system start-stop state corresponding to the supervision system is the first state, the energy storage remote control system acquires first operation data of the battery management system in real time;
when the battery management system is in a charging or discharging state, the first operation data comprise first electric parameters or second electric parameters corresponding to each single battery in all battery packs of the battery management system, and the first electric parameters comprise charging voltage, charging current and battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature;
the energy storage conversion system is used for converting input alternating current into direct current and executing direct current charging for all the battery packs in the battery management system through the direct current;
the energy storage remote management and control system collects the supervision data corresponding to the system to be supervised in real time and further comprises:
when detecting that the system start-stop state corresponding to the supervision system is the second state, the energy storage remote control system acquires the first operation data of the battery management system and the second operation data of the energy storage conversion system in real time;
When the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharging voltage and a bus discharging current;
the preset electric state comprises a state that the energy storage conversion system executes the direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving the power supply current output by the battery management system.
2. The method for remotely monitoring an energy storage inverter device according to claim 1, wherein the energy storage remote control system determines whether the supervision data satisfies a preset control condition, comprising:
the energy storage remote control system judges whether pre-control parameters corresponding to the current moment exist or not, wherein the pre-control parameters are preset parameters for starting to switch the energy storage conversion system and/or the system start-stop state corresponding to the battery management system at the current moment;
when judging that the pre-control parameters corresponding to the current moment exist, the energy storage remote control system determines that the supervision data meet preset control conditions;
When judging that the pre-control parameters corresponding to the current moment do not exist, the energy storage remote control system judges whether the temperature data in the supervision data are higher than a set temperature threshold value, and when judging that the temperature data in the supervision data are higher than the temperature threshold value, the energy storage remote control system determines that the supervision data meet preset control conditions;
wherein the temperature data in the supervision data comprises a battery charging temperature or a battery discharging temperature of each single battery in all battery packs of the battery management system.
3. The remote monitoring method of the energy storage inverter device according to claim 2, wherein the energy storage remote control system generates a control command for the system to be monitored according to the control condition, and adjusts a system operation parameter corresponding to the system to be monitored in real time through the control command, including:
when judging that the pre-control parameters corresponding to the current moment exist, the energy storage remote control system generates a timing control instruction aiming at the system to be supervised according to the pre-control parameters, and then switches the system start-stop state corresponding to the energy storage conversion system and/or the battery management system according to the timing control instruction; the timing control instruction comprises the duration of the timing control instruction;
When the temperature data in the monitoring data is judged to be higher than the temperature threshold value, the energy storage remote control system generates a temperature regulation instruction aiming at the system to be monitored according to a preset temperature regulation strategy; and according to the temperature regulation instruction, cooling treatment or start-stop control is carried out on the battery management system;
wherein the temperature threshold comprises a first temperature threshold and a second temperature threshold, and the first temperature threshold is lower than the second temperature threshold;
the temperature adjustment instruction is configured to perform the cooling process on the battery management system when the temperature data is only above the first temperature threshold and below the second temperature threshold;
and when the temperature data is higher than the second temperature threshold value, the temperature regulation instruction is used for executing the start-stop control on the battery management system so as to forcibly shut down the operation of the battery management system.
4. The method for remotely monitoring an energy storage inverter device according to claim 3, wherein before the energy storage remote control system determines whether the supervision data satisfies a preset control condition, the method further comprises:
the energy storage remote control system detects whether a remote control instruction for the system to be monitored is received, and when the remote control instruction for the system to be monitored is not received, the operation of judging whether the monitored data meet the corresponding operation of the preset control condition is triggered and executed;
When detecting that a remote control instruction aiming at the system to be supervised is received, the energy storage remote control system executes remote control operation on the energy storage conversion system and/or the battery management system according to the remote control instruction;
the remote control operation comprises at least one operation of start-stop control, operation parameter setting, parameter numbering and charge-discharge capacity setting of each single battery corresponding to the battery management system for the energy storage conversion system and/or the battery management system.
5. The method for remotely monitoring energy storage inverter equipment according to claim 4, wherein the energy storage remote control system is composed of a local monitoring management system and a communication module:
the local monitoring management system is used for collecting the supervision data and analyzing and storing the supervision data;
the local monitoring management system is also used for establishing communication with the Internet through the communication module, and uploading the supervision data to the cloud end so that a user can check the supervision data uploaded to the cloud end through the mobile terminal;
the local monitoring management system is also used for receiving the remote control instruction triggered by the user through the mobile terminal through the communication module, and executing the remote control operation on the system to be supervised through the remote control instruction.
6. A remote monitoring device for an energy storage inverter device, the device being applied to an energy storage remote management and control system, the device comprising:
the determining module is used for determining a to-be-supervised system which is required to execute data real-time monitoring currently; the system to be supervised comprises an energy storage conversion system and a battery management system;
the acquisition module is used for acquiring the supervision data corresponding to the system to be supervised in real time, wherein the supervision data comprises first management data corresponding to the energy storage conversion system and/or second management data corresponding to the battery management system; the energy storage conversion system comprises an energy storage inverter;
the first judging module is used for judging whether the supervision data meets preset control conditions or not;
the command control module is used for generating a control command for the system to be supervised according to the control condition when the first judging module judges that the supervision data meets the preset control condition, and adjusting the system operation parameters corresponding to the system to be supervised in real time through the control command so that the supervision data corresponding to the adjusted system to be supervised does not meet the control condition;
The control instruction is used for adjusting system operation parameters corresponding to the energy storage conversion system and/or the battery management system;
the apparatus further comprises:
the first detection module is used for detecting a system start-stop state of the system to be monitored before the acquisition module acquires the monitoring data corresponding to the system to be monitored in real time, wherein the system start-stop state comprises a first state in which the battery management system starts to operate, a second state in which the battery management system and the energy storage conversion system start to operate at the same time or a third state opposite to the second state;
the second judging module is used for judging whether the system start-stop state of the system to be supervised is the third state, and triggering the acquisition module to execute the operation corresponding to the supervision data corresponding to the real-time acquisition of the system to be supervised when the system start-stop state of the system to be supervised is not the third state;
the mode of the acquisition module for acquiring the supervision data corresponding to the system to be supervised in real time specifically comprises the following steps:
when detecting that the system start-stop state corresponding to the supervision system is the first state, acquiring first operation data of the battery management system in real time;
When the battery management system is in a charging or discharging state, the first operation data comprise first electric parameters or second electric parameters corresponding to each single battery in all battery packs of the battery management system, and the first electric parameters comprise charging voltage, charging current and battery charging temperature; the second electrical parameter includes a discharge voltage, a discharge current, and a battery discharge temperature;
the energy storage conversion system is used for converting input alternating current into direct current and executing direct current charging for all the battery packs in the battery management system through the direct current;
the mode of the acquisition module for acquiring the supervision data corresponding to the system to be supervised in real time specifically further comprises the following steps:
when the system start-stop state corresponding to the supervision system is detected to be the second state, acquiring the first operation data of the battery management system and the second operation data of the energy storage conversion system in real time;
when the energy storage conversion system is in a preset electric state, the second operation data comprise third electric parameters or fourth electric parameters of a bus corresponding to the energy storage conversion system, and the third electric parameters comprise bus charging voltage and bus charging current; the fourth electrical parameter comprises a bus discharging voltage and a bus discharging current;
The preset electric state comprises a state that the energy storage conversion system executes the direct current charging on the battery management system, or a state that the energy storage conversion system is in a state of receiving the power supply current output by the battery management system.
7. A remote monitoring device for an energy storage inverter device, the device comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory to perform the method of remote monitoring of the energy storage inverter device of any one of claims 1-5.
8. A computer storage medium storing computer instructions which, when invoked, are adapted to perform the method of remote monitoring of an energy storage inverter device according to any one of claims 1-5.
CN202311413856.7A 2023-10-30 2023-10-30 Remote monitoring method and device for energy storage inversion equipment and computer storage medium Active CN117154799B (en)

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