CN114583300A - Intelligent sensing system for battery energy storage system and construction method - Google Patents
Intelligent sensing system for battery energy storage system and construction method Download PDFInfo
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- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 3
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 claims description 3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an intelligent sensing system for a battery energy storage system and a construction method, and relates to the technical field of energy application. Including the energy storage power supply, be provided with sensing component on the energy storage power supply, sensing component includes environment sensing module and electrical property sensing module, sensing component and information processing part electric connection, the information processing part includes signal acquisition circuit, core treater, memory and input/output module, the core treater pass through signal acquisition circuit respectively with environment sensing module and electrical property sensing module electric connection. The intelligent sensing system can truly reflect the environmental characteristic change and the electrical property characteristic change of the energy storage power supply in the actual operation process, and realizes the real-time and accurate judgment of the operation state and the health state of the energy storage power supply on the basis of the characteristic parameter change, thereby improving the safety, the reliability and the intelligent level of the battery energy storage system.
Description
Technical Field
The invention relates to the technical field of energy application, in particular to an intelligent sensing system for a battery energy storage system and a construction method.
Background
The battery energy storage is one of the most important energy storage technologies, and plays an important role in optimizing the power supply structure of a power grid, relieving the regulation pressure of the power grid and improving the consumption of new energy such as wind power, photovoltaic and the like. The battery energy storage system mainly comprises a plurality of single batteries, a connecting component and a Battery Management System (BMS), wherein the BMS estimates the state of charge (SOC) and the state of health (SOH) by monitoring state parameters such as voltage, current, temperature and the like of the single batteries and the battery system and manages the batteries during the operation,
in the prior art, however, parameters that can be monitored by the BMS at present are very limited, a sensing system is not constructed and an operation logic design is not performed according to characteristics of the battery energy storage system, the state of the battery energy storage system is judged on a one-sided basis, and the understanding of the relation and mechanism between the operation of the battery and the internal change is insufficient, so that the state of the battery is difficult to accurately predict and effectively control, and the safety, reliability and service life of the battery system are seriously affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent sensing system for a battery energy storage system and a construction method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligent sensing system for battery energy storage system, includes the energy storage power, be provided with sensing element on the energy storage power, sensing element includes environment sensing module and electrical property sensing module, sensing element and information processing part electric connection, the information processing part includes signal acquisition circuit, core treater, memory and input/output module, the core treater pass through signal acquisition circuit respectively with environment sensing module and electrical property sensing module electric connection.
Further optimize this technical scheme, the environment sensing module includes temperature sensor, humidity transducer, pressure sensor and gas sensor, temperature sensor, humidity transducer, pressure sensor and gas sensor pass through signal acquisition circuit and core processor electric connection.
Further optimize this technical scheme, electrical property sensing module includes voltage sensor, current sensor, internal resistance sensor and electric quantity sensor, voltage sensor, current sensor, internal resistance sensor and electric quantity sensor pass through signal acquisition circuit and core processor electric connection.
According to the technical scheme, the environment sensing module is used for collecting environment characteristic signals inside and outside the single battery and inside and outside the energy storage power supply, and the electrical property sensing module is used for collecting electrical property characteristic signals inside and outside the single battery and inside and outside the energy storage power supply.
Further optimizing the technical scheme, the operating logic of the sensing component and the information processing component is as follows: the environment sensing module senses the environment characteristic signal, and the electrical property detection module senses the electrical property characteristic signal; each characteristic signal is transmitted to a signal acquisition circuit in the information processing part through the sensing part, so that the communication and transmission between the sensing part and the information processing part are realized; the core processor and the memory in the information processing part transmit the acquired signals to be processed and stored; the core processor processes the signals and generates corresponding information, and the information is interacted with the external system in and out through the input/output module.
Further optimizing the technical scheme, the energy storage power supply is suitable for an energy storage system taking a battery as a basic energy storage means, and the battery type comprises one or more of a lead-acid battery, a lead-carbon battery, a lithium ion battery, a nickel-hydrogen battery, a flow battery, a sodium-sulfur battery, a sodium ion battery, a fuel battery and the like.
A method for constructing an intelligent sensing system for a battery energy storage system comprises the following steps:
s1, signal acquisition: collecting characteristic signal changes of the energy storage power supply in the states of normal operation, performance attenuation, system abnormity and the like, wherein the signals comprise environment characteristic signals and electrical performance characteristic signals of the inside and the outside of a single battery and the inside and the outside of a battery energy storage system, which are collected by an environment sensing module and an electrical performance sensing module in a sensing part, and the environment characteristic signals comprise but are not limited to temperature, humidity, pressure, gas generation types, gas production amount and the like; electrical property characteristic signals include, but are not limited to, voltage, current, internal resistance, remaining charge, and the like;
s2, signature signal anchoring: one or more characteristic signals which are related to the battery energy storage system in different states are found out from all the collected signals according to the change rule of the signals, and the signals are used as marking signals for reflecting the state of the battery energy storage system;
s3, selecting a sensing device: selecting a sensing device capable of effectively sensing the signals according to the anchored signatory signals;
s4, arranging and constructing a sensing component: arranging corresponding sensing devices according to the generation source of the symbolic signal, and then connecting the sensing components into the environment sensing module and the electrical property sensing module according to the type of the signal;
s5, the signal processing component constructs: the signal acquisition circuit, the core processor, the memory and the input/output module are combined into a signal processing component, wherein the signal acquisition circuit is respectively connected with an environment sensing module and an electrical property sensing module of the sensing component.
Advantageous effects
Compared with the prior art, the invention provides an intelligent sensing system for a battery energy storage system and a construction method thereof, and the intelligent sensing system has the following beneficial effects:
the intelligent sensing system for the battery energy storage system and the construction method thereof are characterized in that an energy storage power supply which takes a battery as a basic energy storage means is arranged, the energy storage power supply anchors characteristic signals associated with the state characteristics of the energy storage power supply on the basis of environment characteristic signals and electrical property characteristic signals inside and outside a single battery and inside and outside the energy storage power supply in different states, and specific sensing devices are further selected and arranged according to the generation positions and signal types of the signals, so that a sensing component is formed; after the signals generated by the sensing component are processed and stored by the signal processing component, information interaction is carried out in an external system, the intelligent sensing system can truly reflect the environmental characteristic change and the electrical property characteristic change of the battery energy storage system in the actual operation process, and the real-time and accurate judgment of the operation state and the health state of the battery energy storage system is realized by taking the characteristic parameter changes as the basis, so that the safety, the reliability and the intelligent level of the battery energy storage system are improved.
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Fig. 1 is a schematic flow chart of an intelligent sensing system and a construction method for a battery energy storage system according to the present invention;
FIG. 2 is a schematic diagram of a control system of an intelligent sensing system for a battery energy storage system and a construction method thereof according to the present invention;
fig. 3 is a schematic diagram of an operation logic of an intelligent sensing system for a battery energy storage system and a construction method thereof according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention discloses an intelligent sensing system for a battery energy storage system, which includes an energy storage power supply, wherein a sensing component is disposed on the energy storage power supply, the sensing component includes an environment sensing module and an electrical performance sensing module, the sensing component is electrically connected to an information processing component, the information processing component includes a signal acquisition circuit, a core processor, a memory and an input/output module, the core processor is electrically connected to the environment sensing module and the electrical performance sensing module through the signal acquisition circuit, respectively, and acquires characteristic signal changes of the energy storage power supply under normal operation, performance attenuation, system abnormality and other states, the signals include environment characteristic signals and electrical performance characteristic signals of the inside and outside of a single battery and the inside and outside of the battery energy storage system, which are acquired by the environment sensing module and the electrical performance sensing module in the sensing component, the environmental characteristic signals include but are not limited to temperature, humidity, pressure, gas production type, gas production amount and the like; the electrical property characteristic signals include but are not limited to voltage, current, internal resistance, residual capacity and the like, one or more characteristic signals related to the battery energy storage system in different states are found out from all the collected signals according to the change rule of the signals, the signals are used as symbolic signals reflecting the state of the battery energy storage system, a sensing device capable of effectively sensing the signals is selected according to the anchored symbolic signals, the corresponding sensing device is arranged according to the generation source of the symbolic signals, the sensing component is connected into the environment sensing module and the electrical property sensing module according to the category of the signals, the signal collecting circuit, the core processor, the memory and the input/output module are combined into a signal processing component, wherein the signal collecting circuit is respectively connected with the environment sensing module and the sensing electrical property sensing module of the sensing component, the environment sensing module senses the environmental characteristic signals of the energy storage power supply, the electrical property detection module senses electrical property characteristic signals, each characteristic signal is transmitted to a signal acquisition circuit in the information processing part through the sensing part to realize the communication and transmission of the sensing part and the information processing part, a core processor and a memory in the information processing part transmit the acquired signals to be processed and stored, the core processor processes the signals and generates corresponding information, the information is interacted with the external system inside and outside by the input/output module, the intelligent sensing system can truly reflect the environmental characteristic change and the electrical property characteristic change of the battery energy storage system in the actual operation process, the change of the characteristic parameters is taken as the basis and the basis, the real-time and accurate judgment of the running state and the health state of the battery energy storage system is realized, and thus the safety, the reliability and the intelligent level of the battery energy storage system are improved.
Specifically, the environment sensing module comprises a temperature sensor, a humidity sensor, a pressure sensor and a gas sensor, wherein the temperature sensor, the humidity sensor, the pressure sensor and the gas sensor are electrically connected with the core processor through a signal acquisition circuit.
In this embodiment, temperature sensor, humidity transducer, pressure sensor and gas sensor can gather temperature, humidity, pressure and the gas information of the monomer inside and outside and the body inside and outside of energy storage power.
Specifically, the electrical property sensing module comprises a voltage sensor, a current sensor, an internal resistance sensor and an electric quantity sensor, wherein the voltage sensor, the current sensor, the internal resistance sensor and the electric quantity sensor are electrically connected with the core processor through a signal acquisition circuit.
In this embodiment, voltage sensor, current sensor, internal resistance sensor and electric quantity sensor can gather energy storage power supply's voltage, electric current, internal resistance and electric quantity size.
Specifically, the environment sensing module is used for collecting environment characteristic signals inside and outside the single battery and inside and outside the energy storage power supply, and the electrical property sensing module is used for collecting electrical property characteristic signals inside and outside the single battery and inside and outside the energy storage power supply.
In this embodiment, the environment sensing module and the electrical property sensing module can fully acquire the internal and external environments and the electrical property of the energy storage power supply.
Specifically, the operating logic of the sensing component and the information processing component is as follows: the environment sensing module senses the environment characteristic signal, and the electrical property detection module senses the electrical property characteristic signal; each characteristic signal is transmitted to a signal acquisition circuit in the information processing part through the sensing part, so that the communication and transmission between the sensing part and the information processing part are realized; the core processor and the memory in the information processing part transmit the acquired signals to be processed and stored; the core processor processes the signals and generates corresponding information, and the information is interacted with the external system in and out through the input/output module.
In the embodiment, the sensing component and the information processing component are matched to truly reflect the environmental characteristic change and the electrical property characteristic change of the battery energy storage system in the actual operation process, and the real-time and accurate judgment of the operation state and the health state of the battery energy storage system is realized by taking the characteristic parameter changes as the basis, so that the safety, the reliability and the intelligent level of the battery energy storage system are improved.
Specifically, the energy storage power supply is suitable for an energy storage system using a battery as a basic energy storage means, and the battery type includes but is not limited to one or more of a lead-acid battery, a lead-carbon battery, a lithium ion battery, a nickel-metal hydride battery, a flow battery, a sodium-sulfur battery, a sodium ion battery, a fuel battery and the like.
In the embodiment, the intelligent sensing system can meet the use requirement of energy storage power supplies consisting of different batteries.
A method for constructing an intelligent sensing system for a battery energy storage system comprises the following steps:
s1, signal acquisition: collecting characteristic signal changes of the energy storage power supply in the states of normal operation, performance attenuation, system abnormity and the like, wherein the signals comprise environment characteristic signals and electrical performance characteristic signals of the inside and the outside of a single battery and the inside and the outside of a battery energy storage system, which are collected by an environment sensing module and an electrical performance sensing module in a sensing part, and the environment characteristic signals comprise but are not limited to temperature, humidity, pressure, gas generation types, gas production amount and the like; electrical property characteristic signals include, but are not limited to, voltage, current, internal resistance, remaining charge, and the like;
s2, signature signal anchoring: one or more characteristic signals which are related to the battery energy storage system in different states are found out from all the collected signals according to the change rule of the signals, and the signals are used as symbolic signals for reflecting the state of the battery energy storage system;
s3, selecting a sensing device: selecting a sensing device capable of effectively sensing the signals according to the anchored signatory signals;
s4, arranging and constructing a sensing component: arranging corresponding sensing devices according to the generation source of the symbolic signal, and then connecting the sensing components into the environment sensing module and the electrical property sensing module according to the type of the signal;
s5, the signal processing component constructs: the signal acquisition circuit, the core processor, the memory and the input/output module are combined into a signal processing component, wherein the signal acquisition circuit is respectively connected with an environment sensing module and an electrical property sensing module of the sensing component.
The invention has the beneficial effects that: collecting characteristic signal changes of the energy storage power supply in the states of normal operation, performance attenuation, system abnormity and the like, wherein the signals comprise environment characteristic signals and electrical performance characteristic signals of the inside and the outside of a single battery and the inside and the outside of a battery energy storage system, which are collected by an environment sensing module and an electrical performance sensing module in a sensing part, and the environment characteristic signals comprise but are not limited to temperature, humidity, pressure, gas generation types, gas production amount and the like; the electrical property characteristic signals include but are not limited to voltage, current, internal resistance, residual capacity and the like, one or more characteristic signals related to the battery energy storage system in different states are found out from all the collected signals according to the change rule of the signals, the signals are used as symbolic signals reflecting the state of the battery energy storage system, a sensing device capable of effectively sensing the signals is selected according to the anchored symbolic signals, the corresponding sensing device is arranged according to the generation source of the symbolic signals, the sensing component is connected into the environment sensing module and the electrical property sensing module according to the category of the signals, the signal collecting circuit, the core processor, the memory and the input/output module are combined into a signal processing component, wherein the signal collecting circuit is respectively connected with the environment sensing module and the sensing electrical property sensing module of the sensing component, the environment sensing module senses the environmental characteristic signals of the energy storage power supply, the electrical property detection module senses electrical property characteristic signals, each characteristic signal is transmitted to a signal acquisition circuit in the information processing part through the sensing part to realize the communication and transmission of the sensing part and the information processing part, a core processor and a memory in the information processing part transmit the acquired signals to be processed and stored, the core processor processes the signals and generates corresponding information, the information is interacted with the external system inside and outside by the input/output module, the intelligent sensing system can truly reflect the environmental characteristic change and the electrical property characteristic change of the battery energy storage system in the actual operation process, based on the characteristic parameter changes, the real-time and accurate judgment of the running state and the health state of the battery energy storage system is realized, so that the safety, the reliability and the intelligent level of the battery energy storage system are improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a smart sensing system for battery energy storage system, includes energy storage power, its characterized in that: the energy storage power supply is provided with a sensing component, the sensing component comprises an environment sensing module and an electrical property sensing module, the sensing component is electrically connected with an information processing component, the information processing component comprises a signal acquisition circuit, a core processor, a memory and an input/output module, and the core processor is respectively electrically connected with the environment sensing module and the electrical property sensing module through the signal acquisition circuit.
2. The intelligent sensing system for the battery energy storage system according to claim 1, wherein the environment sensing module comprises a temperature sensor, a humidity sensor, a pressure sensor and a gas sensor, and the temperature sensor, the humidity sensor, the pressure sensor and the gas sensor are electrically connected with the core processor through a signal acquisition circuit.
3. The intelligent sensing system for the battery energy storage system according to claim 1, wherein the electrical property sensing module comprises a voltage sensor, a current sensor, an internal resistance sensor and an electrical quantity sensor, and the voltage sensor, the current sensor, the internal resistance sensor and the electrical quantity sensor are electrically connected with the core processor through a signal acquisition circuit.
4. The intelligent sensing system for the battery energy storage system according to claim 1, wherein the environment sensing module is used for collecting environment characteristic signals inside and outside the single battery and inside and outside the energy storage power supply, and the electrical property sensing module is used for collecting electrical property characteristic signals inside and outside the single battery and inside and outside the energy storage power supply.
5. The intelligent sensing system for the battery energy storage system according to claim 1, wherein the operation logic of the sensing component and the information processing component is as follows: the environment sensing module senses the environment characteristic signal, and the electrical property detection module senses the electrical property characteristic signal; each characteristic signal is transmitted to a signal acquisition circuit in the information processing part through the sensing part, so that the communication and transmission between the sensing part and the information processing part are realized; the core processor and the memory in the information processing part transmit the acquired signals to be processed and stored; the core processor processes the signals and generates corresponding information, and the information is interacted with the external system in and out through the input/output module.
6. The intelligent sensing system for the battery energy storage system according to claim 1, wherein the energy storage power source is suitable for an energy storage system using a battery as a basic energy storage means, and the battery type includes but is not limited to one or more of a lead-acid battery, a lead-carbon battery, a lithium ion battery, a nickel-hydrogen battery, a flow battery, a sodium-sulfur battery, a sodium-ion battery, a fuel battery, and the like.
7. A method for constructing a smart sensor system for a battery energy storage system, wherein the method is used based on the smart sensor system for the battery energy storage system of any one of claims 1 to 6, and comprises the following steps:
s1, signal acquisition: collecting characteristic signal changes of the energy storage power supply in the states of normal operation, performance attenuation, system abnormity and the like, wherein the signals comprise environment characteristic signals and electrical performance characteristic signals of the inside and the outside of a single battery and the inside and the outside of a battery energy storage system, which are collected by an environment sensing module and an electrical performance sensing module in a sensing part, and the environment characteristic signals comprise but are not limited to temperature, humidity, pressure, gas generation types, gas production amount and the like; electrical property signature signals include, but are not limited to, voltage, current, internal resistance, remaining charge;
s2, signature signal anchoring: one or more characteristic signals which are related to the battery energy storage system in different states are found out from all the collected signals according to the change rule of the signals, and the signals are used as symbolic signals for reflecting the state of the battery energy storage system;
s3, selecting a sensing device: selecting a sensing device capable of effectively sensing the signals according to the anchored signatory signals;
s4, arranging and constructing a sensing component: arranging corresponding sensing devices according to the generation source of the symbolic signal, and then connecting the sensing components into the environment sensing module and the electrical property sensing module according to the type of the signal;
s5, the signal processing component constructs: the signal acquisition circuit, the core processor, the memory and the input/output module are combined into a signal processing component, wherein the signal acquisition circuit is respectively connected with an environment sensing module and an electrical property sensing module of the sensing component.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115018366A (en) * | 2022-06-27 | 2022-09-06 | 国网湖北省电力有限公司电力科学研究院 | Energy storage system working state monitoring method and device, storage medium and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115018366A (en) * | 2022-06-27 | 2022-09-06 | 国网湖北省电力有限公司电力科学研究院 | Energy storage system working state monitoring method and device, storage medium and electronic equipment |
| CN115018366B (en) * | 2022-06-27 | 2023-09-26 | 国网湖北省电力有限公司电力科学研究院 | Energy storage system working state monitoring method and device, storage medium and electronic equipment |
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