CN116013049A - Fire protection method, device and equipment for electrochemical energy storage system - Google Patents
Fire protection method, device and equipment for electrochemical energy storage system Download PDFInfo
- Publication number
- CN116013049A CN116013049A CN202310018981.1A CN202310018981A CN116013049A CN 116013049 A CN116013049 A CN 116013049A CN 202310018981 A CN202310018981 A CN 202310018981A CN 116013049 A CN116013049 A CN 116013049A
- Authority
- CN
- China
- Prior art keywords
- fire
- polling
- threshold
- battery
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
The invention discloses a fire protection method, a fire protection device and fire protection equipment for an electrochemical energy storage system, wherein the fire protection method comprises the following steps: responding to the received protection request, and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module; respectively selecting corresponding early warning strategies to poll according to each group of monitoring data, and generating a plurality of polling results; responding to all polling results, executing corresponding reminding operation through the audible and visual alarm, and determining whether to execute protection operation; if the determination is performed, a protection operation is performed by the deflation no-entry indicator and the fire suppression module. In the whole fire protection process of the electrochemical energy storage system, multidimensional judgment is carried out through multi-parameter coupling, so that the safety of the electrochemical energy storage system is improved.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a fire protection method, device and equipment for an electrochemical energy storage system.
Background
With the growing proliferation of the energy storage industry, the fire hazard of the energy storage power station caused by the storage battery is also gradually developed, and the fire protection of the electrochemical energy storage system is the focus of attention.
Fire protection of electrochemical energy storage systems, including fire monitoring and fire fighting. At present, the fire monitoring of the electrochemical energy storage system mainly uses smoke sensor information, a single information source cannot effectively screen fire types and situations, the problems of missing report and false report are easy to occur, and meanwhile, in the fire protection of the electrochemical energy storage system, single spraying action behaviors are often adopted for different types of fires, so that the safety of the electrochemical energy storage system is lower.
Disclosure of Invention
The invention provides a fire protection method, device and equipment for an electrochemical energy storage system, which solve the technical problem that the electrochemical energy storage system has lower safety due to single monitoring information source and single spraying action behavior for different types of fires when the electrochemical energy storage system is subjected to fire protection in the prior art.
The first aspect of the invention provides a fire protection method of an electrochemical energy storage system, which relates to a comprehensive monitoring module, an audible and visual alarm, a deflation no-entry indicator lamp and a fire suppression module, and comprises the following steps:
responding to the received protection request, and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module;
Respectively selecting corresponding early warning strategies to poll according to each group of monitoring data, and generating a plurality of polling results;
responding to all the polling results, executing corresponding reminding operation through the audible and visual alarm, and determining whether to execute protection operation;
and if the operation is determined to be executed, the protection operation is executed through the deflation no-entry indicator lamp and the fire suppression module.
Optionally, the plurality of sets of monitoring data includes first monitoring data, second monitoring data, and third monitoring data; the step of respectively selecting corresponding early warning strategies for polling according to each group of monitoring data to generate a plurality of polling results comprises the following steps:
polling the first monitoring data by adopting a thermal runaway early warning strategy to generate a first polling result;
polling the second monitoring data according to a common fire early warning strategy to generate a second polling result;
and polling the third monitoring data based on a lithium electricity fire early warning strategy to generate a third polling result.
Optionally, the first monitoring data includes a cell voltage, a cell temperature, an SOC value, an SOH value, and a cell temperature rate of change; the step of adopting a thermal runaway early warning strategy to poll the first monitoring data and generating a first polling result comprises the following steps:
Judging whether the battery cell voltage exceeds the range of a preset battery cell voltage threshold interval or whether the battery cell temperature exceeds the range of a preset battery cell temperature threshold interval;
if the battery cell voltage exceeds the range of the battery cell voltage threshold interval or the battery cell temperature exceeds the battery cell temperature threshold interval, judging whether the SOC value is in the range of the SOC threshold interval corresponding to the SOH value;
if the SOC value is in the range of the SOC threshold value interval, outputting an abnormal early warning of the battery cell, and determining a first polling result as primary thermal runaway;
if the SOC value is not in the range of the SOC threshold value interval, judging whether the temperature change rate of the battery cell is larger than a preset temperature change rate threshold value or not;
if the temperature change rate of the battery cell is not greater than the temperature change rate threshold, outputting a charge-discharge abnormal alarm, and determining that a first polling result is the secondary thermal runaway;
and if the temperature change rate of the battery cell is larger than the temperature change rate threshold, outputting the battery to generate thermal runaway, and determining that the first polling result is three-stage thermal runaway.
Optionally, the step of determining whether the SOC value is within the range of the SOC threshold interval corresponding to the SOH value if the battery cell voltage exceeds the range of the battery cell voltage threshold or the battery cell temperature exceeds the battery cell temperature threshold includes:
If the battery cell voltage exceeds the range of the battery cell voltage threshold value or the battery cell temperature exceeds the battery cell temperature threshold value, calculating a first difference value between the SOH value and a preset first threshold value;
performing difference operation by adopting a preset second threshold value and the first difference value to generate a second difference value;
constructing an SOC threshold interval by taking the first difference value and the second difference value as interval endpoints;
and judging whether the SOC value exceeds the range of the SOC threshold value interval.
Optionally, the second monitoring data includes ambient temperature, smoke concentration, and flame imaging data; the step of polling the second monitoring data according to the common fire early warning strategy to generate a second polling result comprises the following steps:
judging whether the ambient temperature is higher than a preset ambient temperature threshold value;
if the ambient temperature is higher than the ambient temperature threshold, judging whether the smoke concentration exceeds a preset smoke concentration threshold;
if the smoke concentration does not exceed the smoke concentration threshold, outputting a high-temperature early warning, and determining that the second polling result is a first-level common fire;
if the smoke concentration exceeds the smoke concentration threshold, judging whether open flame exists in the flame imaging data;
If the flame imaging data does not have open fire, outputting unknown dense smoke, and determining a second polling result as a second-level common fire;
if open fire exists in the flame imaging data, outputting an electric fire disaster, and determining that the second polling result is three-level common fire disaster.
Optionally, the third monitored data includes VOC concentration, CO concentration, and battery surface temperature; the step of polling the third monitoring data based on the lithium electricity fire early warning strategy to generate a third polling result comprises the following steps:
judging whether the VOC concentration exceeds a preset VOC concentration threshold value;
if the VOC concentration exceeds the VOC concentration threshold, judging whether the CO concentration is greater than a preset CO concentration threshold;
if the CO concentration does not exceed the CO concentration threshold, outputting an organic volatile matter exceeding standard, and determining that the third polling result is a primary lithium electricity fire disaster;
if the CO concentration exceeds the CO concentration threshold, judging whether the surface temperature of the battery is higher than a preset battery temperature threshold;
if the surface temperature of the battery is not higher than the battery temperature threshold, outputting harmful gas contained in a battery cabin, and determining that a third polling result is a secondary lithium battery fire;
And if the surface temperature of the battery is higher than the battery temperature threshold, outputting that a lithium electricity fire occurs, and determining that the third polling result is a three-stage lithium electricity fire.
Optionally, the step of responding to all the polling results, executing corresponding reminding operation by the audible and visual alarm, and determining whether to execute protection operation includes:
if the polling result is the primary thermal runaway, the primary common fire or the primary lithium-ion fire, the audible and visual alarm does not remind and the protection operation is determined not to be executed;
if the polling result is the secondary thermal runaway, the secondary common fire disaster or the secondary lithium battery fire disaster, the audible and visual alarm sends out a light prompt and determines that the protection operation is not executed;
and if the polling result is the three-level thermal runaway, the three-level common fire or the three-level lithium-ion fire, the audible and visual alarm sends out audible and visual reminding and determines to execute protection operation.
Optionally, the fire suppression module comprises a fire extinguishing agent inlet electromagnetic valve, a fire extinguishing agent outlet electromagnetic valve, an atomization nozzle, a pump group and a fire extinguishing agent barrel; and if the step is determined to be executed, executing the protection operation through the deflation no-entry indicator and the fire suppression module, wherein the step comprises the following steps of:
If yes, determining a corresponding fire extinguishing agent type and a protection area according to the polling result;
starting countdown according to a preset time threshold value, and starting the deflation no-entry indicator lamp;
when the countdown reaches a preset time node, opening a fire extinguishing agent inlet electromagnetic valve, a fire extinguishing agent inlet electromagnetic valve and a fire extinguishing agent outlet electromagnetic valve which correspond to the protection area;
when the countdown is completed, the fire extinguishing agent corresponding to the fire extinguishing agent type is called from the fire extinguishing agent barrel through the fire extinguishing agent air inlet electromagnetic valve and the pump group and is conveyed to the fire extinguishing agent inlet electromagnetic valve;
and through the fire extinguishing agent inlet electromagnetic valve and the fire extinguishing agent outlet electromagnetic valve, the fire extinguishing agent is sprayed to the protection area through the atomizing nozzle program control corresponding to the protection area until a spraying ending signal is received.
The second aspect of the invention provides a fire protection device of an electrochemical energy storage system, which relates to a comprehensive monitoring module, an audible and visual alarm, a deflation no-entry indicator light and a fire suppression module, and comprises the following components:
the monitoring module is used for responding to the received protection request and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module;
The polling module is used for respectively selecting corresponding early warning strategies to poll according to each group of monitoring data to generate a plurality of polling results;
the polling result processing module is used for responding to all the polling results, executing corresponding reminding operation through the audible and visual alarm and determining whether to execute protection operation or not;
and the protection operation execution module is used for executing the protection operation through the deflation no-entry indicator lamp and the fire suppression module if the protection operation is determined to be executed.
A third aspect of the present invention provides an electronic device comprising a memory and a processor, the memory having stored therein a computer program which, when executed by the processor, causes the processor to perform the steps of the fire protection method of an electrochemical energy storage system according to any one of the first aspect of the present invention.
From the above technical scheme, the invention has the following advantages:
according to the invention, a plurality of groups of monitoring data of the electrochemical energy storage system are collected through the comprehensive monitoring module in response to the received protection request, corresponding early warning strategies are selected to respectively poll each group of monitoring data, a plurality of polling results are generated, corresponding reminding operations are executed through the audible and visual alarm in response to all polling results, whether the protection operations are executed is determined, and if the protection operations are determined to be executed, the protection operations are executed through the deflation no-entry indicator lamp and the fire suppression module. In the whole fire protection process of the electrochemical energy storage system, multidimensional judgment is carried out through multi-parameter coupling, so that the safety of the electrochemical energy storage system is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flow chart of steps of a fire protection method for an electrochemical energy storage system according to an embodiment of the present invention;
FIG. 2 is a flow chart of steps of a fire protection method for an electrochemical energy storage system according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating steps of a fire protection device for an electrochemical energy storage system according to a third embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a fire protection method, device and equipment for an electrochemical energy storage system, which are used for solving the technical problem that the safety of the electrochemical energy storage system is low because a single spraying action behavior is often adopted for different types of fires due to single monitoring information source when the electrochemical energy storage system is subjected to fire protection in the prior art.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. 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.
Referring to fig. 1, fig. 1 is a flowchart illustrating a fire protection method of an electrochemical energy storage system according to an embodiment of the invention.
The invention provides a fire protection method of an electrochemical energy storage system, which relates to a comprehensive monitoring module, an audible and visual alarm, a deflation no-entry indicator lamp and a fire suppression module, and comprises the following steps:
and 101, responding to the received protection request, and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module.
The protection request refers to an external terminal capable of supporting the fire protection application of the electrochemical energy storage system, and the transmitted request information for fire protection of the electrochemical energy storage system.
The monitoring data refers to data generated by monitoring the electrochemical energy storage system in the operation process of the electrochemical energy storage system. The plurality of sets of monitoring data includes first monitoring data, second monitoring data, and third monitoring data.
The comprehensive monitoring module comprises a first monitoring module, a second monitoring module and a third monitoring module, and the first monitoring module, the second monitoring module and the third monitoring module are respectively corresponding to the acquisition of the first monitoring data, the second monitoring data and the third monitoring data.
In the embodiment of the invention, the electrochemical energy storage system is monitored through the comprehensive monitoring module in response to a protection request sent by any external terminal supporting the fire protection application of the electrochemical energy storage system, and the first monitoring data, the second monitoring data and the third monitoring data are acquired.
And 102, respectively selecting corresponding early warning strategies to poll according to each group of monitoring data, and generating a plurality of polling results.
The early warning strategy refers to a strategy for carrying out fire early warning judgment on monitoring data, and comprises, but is not limited to, a thermal runaway early warning strategy, a common fire early warning strategy and a lithium-ion fire early warning strategy.
In the embodiment of the invention, according to different pre-warning types corresponding to each group of monitoring data, corresponding pre-warning strategies are selected to poll each group of monitoring data respectively, and a plurality of corresponding polling results are generated respectively.
And step 103, responding to all polling results, executing corresponding reminding operation through the audible and visual alarm, and determining whether to execute protection operation.
The protection operation refers to an operation of performing fire protection on the electrochemical energy storage system.
In the embodiment of the invention, in response to all generated polling results, the audible and visual alarm is used for executing the reminding operation of not sending out the reminding, sending out the sound reminding or sending out the sound and visual reminding, wherein the sound and visual reminding means that the sound reminding and the light reminding are sent out simultaneously, and whether the electrochemical energy storage system is subjected to the protection operation is further determined according to the polling results.
In the embodiment of the invention, if the protection operation is determined to be required, the indicator lamp is turned on to remind the staff not to enter the protection area for executing the protection operation, and the fire suppression module is used for protecting the protection area in the electrochemical energy storage system from fire.
In the embodiment of the invention, in response to a received protection request, multiple groups of monitoring data of an electrochemical energy storage system are acquired through a comprehensive monitoring module, corresponding early warning strategies are selected to respectively poll each group of monitoring data, multiple polling results are generated, corresponding reminding operations are executed through an audible and visual alarm in response to all polling results, whether the protection operations are executed is determined, and if the protection operations are determined to be executed, the protection operations are executed through a deflation no-entry indicator lamp and a fire suppression module. In the whole fire protection process of the electrochemical energy storage system, multidimensional judgment is carried out through multi-parameter coupling, so that the safety of the electrochemical energy storage system is improved.
Referring to fig. 2, fig. 2 is a flowchart illustrating a fire protection method of an electrochemical energy storage system according to a second embodiment of the present invention.
The invention provides a fire protection method of an electrochemical energy storage system, which relates to a comprehensive monitoring module, an audible and visual alarm, a deflation no-entry indicator lamp and a fire suppression module, and comprises the following steps:
In the embodiment of the present invention, the implementation process of step 201 is similar to that of step 101, and will not be repeated here.
And 202, polling the first monitoring data by adopting a thermal runaway early warning strategy to generate a first polling result.
Optionally, the first monitoring data includes a cell voltage, a cell temperature, an SOC value, an SOH value, and a cell temperature rate of change; step 202 comprises the sub-steps of:
s1, judging whether the battery cell voltage exceeds the range of a preset battery cell voltage threshold interval or whether the battery cell temperature exceeds the range of a preset battery cell temperature threshold interval;
s2, if the battery cell voltage exceeds the range of the battery cell voltage threshold interval or the battery cell temperature exceeds the battery cell temperature threshold interval, judging whether the SOC value is in the range of the SOC threshold interval corresponding to the SOH value;
S3, if the SOC value is in the range of the SOC threshold value interval, outputting an abnormal early warning of the battery cell, and determining a first polling result as primary thermal runaway;
s4, if the SOC value is not in the range of the SOC threshold value interval, judging whether the temperature change rate of the battery cell is larger than a preset temperature change rate threshold value or not;
s5, if the temperature change rate of the battery core is not greater than the temperature change rate threshold, outputting a charge-discharge abnormal alarm, and determining that the first polling result is the second-level thermal runaway;
and S6, if the temperature change rate of the battery core is larger than the temperature change rate threshold, outputting the battery to generate thermal runaway, and determining that the first polling result is three-stage thermal runaway.
The cell voltage threshold interval refers to a threshold interval in which the cell voltage is in a normal state.
The battery cell temperature threshold interval refers to a threshold interval in which the battery cell temperature is in a normal state.
The SOC threshold interval refers to a threshold interval in which the SOC value is in a normal state.
The temperature change rate threshold refers to a threshold interval in which the temperature change rate of the battery cell is in a normal state.
The first polling result refers to a result of polling the first monitoring data using a thermal runaway warning strategy. The thermal runaway early warning strategy refers to a strategy for judging whether an electrochemical energy storage system has a thermal runaway trend.
In the embodiment of the invention, the first monitoring module is communicated with a Battery Management System (BMS) based on IEC61850 protocol, the cell voltage, the cell temperature, the SOC value, the SOH value and the cell temperature change rate of the electrochemical energy storage system are obtained in real time to serve as first monitoring data, and whether the cell has a thermal runaway trend in the charging and discharging process is determined by step-by-step judgment of the first monitoring data. Firstly, judging whether the battery cell voltage exceeds the range of a preset battery cell voltage threshold interval or whether the battery cell temperature exceeds the range of a preset battery cell temperature threshold interval, and if so, indicating that the battery cell has an abnormal state. Further judging whether the SOC value is in the range of an SOC threshold value interval corresponding to the SOH value, if not, outputting an information prompt of 'battery cell abnormality early warning' according to the judgment result of the previous stage, and determining that the first polling result is primary thermal runaway; otherwise, if the abnormal state of charge and discharge exists, whether the temperature change rate of the power core is larger than a preset temperature change rate threshold value is further judged. If the temperature change rate of the battery core is not greater than the temperature change rate threshold, outputting an information prompt of 'charge-discharge abnormal alarm' based on the first two-stage judging result, and determining that the first polling result is the second-stage thermal runaway; otherwise, the thermal runaway state is indicated, a message prompt of 'battery thermal runaway' is output, and the first polling result is determined to be three-stage thermal runaway.
Optionally, the substep S3 comprises:
if the battery cell voltage exceeds the range of the battery cell voltage threshold value or the battery cell temperature exceeds the battery cell temperature threshold value, calculating a first difference value between the SOH value and a preset first threshold value;
performing difference operation by adopting a preset second threshold value and the first difference value to generate a second difference value;
taking the first difference value and the second difference value as interval endpoints to construct an SOC threshold interval;
and judging whether the SOC value exceeds the range of the SOC threshold value interval.
The first threshold value refers to a threshold value for determining a critical maximum value of the SOC value to prevent overcharge of the battery.
The second threshold value refers to a threshold value for determining a critical minimum value of the SOC value. Alternatively, the second threshold may be set according to a standard full value of SOH values to prevent over-discharge of the battery.
In the embodiment of the invention, if the battery cell voltage exceeds the range of the battery cell voltage threshold value or the battery cell temperature exceeds the battery cell temperature threshold value, performing difference operation by adopting an SOH value and a preset first threshold value to generate a first difference value, performing difference operation by adopting a preset second threshold value and the first difference value to generate a second difference value, constructing an SOC threshold value interval by taking the first difference value as an interval left end point and taking the second difference value as an interval right end point, and judging whether the SOC value exceeds the range of the SOC threshold value interval.
For example, assuming that the SOH value is 90%, the first threshold is 10%, and the second threshold is 100%, the difference between 90% and 10% is calculated to generate a first difference value of 80%, and the difference between 100% and 80% is calculated to generate a second difference value of 20%, the SOC threshold interval is [20%,80% ], so as to prevent thermal runaway caused by overcharge and overdischarge.
And 203, polling the second monitoring data according to a common fire early warning strategy to generate a second polling result.
Optionally, the second monitoring data includes ambient temperature, smoke concentration, and flame imaging data; step 203 comprises the sub-steps of:
judging whether the ambient temperature is higher than a preset ambient temperature threshold value;
if the ambient temperature is higher than the ambient temperature threshold, judging whether the smoke concentration exceeds a preset smoke concentration threshold;
if the smoke concentration does not exceed the smoke concentration threshold, outputting a high-temperature early warning, and determining that the second polling result is a first-level common fire;
if the smoke concentration exceeds the smoke concentration threshold, judging whether open flame exists in the flame imaging data;
if the flame imaging data does not have open fire, outputting unknown dense smoke, and determining a second polling result as a second-level common fire;
if open fire exists in the flame imaging data, outputting an electric fire disaster, and determining that the second polling result is three-level common fire disaster.
Ambient temperature refers to the temperature in the environment of the battery compartment within the electrochemical energy storage system.
The ambient temperature threshold refers to a threshold interval in which the ambient temperature is in a normal state.
The smoke concentration threshold refers to a threshold interval in which the smoke concentration is in a normal state.
Flame imaging data refers to image features relating to flame color, morphology, and flicker variation.
Alternatively, the second monitoring module may be provided as a thermal imaging dual spectrum webcam.
And the second polling result refers to the result of polling the second monitoring data by adopting a common fire early warning strategy. The common fire early warning strategy refers to a strategy for judging whether an electrochemical energy storage system has a trend of sending common electric fire.
In the embodiment of the invention, the second monitoring module is used for collecting the environmental temperature, the smoke concentration and the flame imaging data in the electrochemical energy storage system in real time as second monitoring data, and the second monitoring data is used for judging and determining whether the electrochemical energy storage system has a trend of generating a common electrical fire or not step by step. Firstly, judging whether the ambient temperature is higher than a preset ambient temperature threshold value, and if so, indicating that the ambient temperature exceeds the standard. Further judging whether the smoke concentration exceeds a preset smoke concentration threshold value, if not, outputting a message prompt of 'high temperature early warning' according to a previous stage judgment result, and determining a second polling result as a first stage common fire disaster; otherwise, whether open fire exists in the electrochemical energy storage system is further judged according to the flame imaging data; if the fire is not in open fire, outputting an information prompt of 'having unknown smoke' according to the first two-stage judging result, and determining that the second polling result is a second-stage common fire; otherwise, if the open fire exists, the state of the electric fire is indicated, the information prompt of 'the occurrence of the electric fire' is output, and the second polling result is determined to be the three-level common fire.
And 204, polling third monitoring data based on a lithium electricity fire early warning strategy to generate a third polling result.
Optionally, the third monitored data includes VOC concentration, CO concentration, and battery surface temperature; step 204 comprises the sub-steps of:
judging whether the VOC concentration exceeds a preset VOC concentration threshold value;
if the VOC concentration exceeds the VOC concentration threshold, judging whether the CO concentration is greater than a preset CO concentration threshold;
if the concentration of CO does not exceed the CO concentration threshold, outputting an organic volatile matter exceeding standard, and determining that the third polling result is a first-level lithium electricity fire disaster;
if the CO concentration exceeds the CO concentration threshold, judging whether the surface temperature of the battery is higher than a preset battery temperature threshold;
if the surface temperature of the battery is not higher than the battery temperature threshold, outputting harmful gas contained in the battery compartment, and determining that the third polling result is a secondary lithium battery fire;
if the surface temperature of the battery is higher than the battery temperature threshold, outputting that the lithium battery fire occurs, and determining that the third polling result is the third-stage lithium battery fire.
VOC concentration refers to the concentration of volatile organics.
The VOC concentration threshold value refers to a threshold interval in which the VOC concentration is in a normal state.
The CO concentration threshold refers to a threshold interval in which the CO (carbon monoxide) concentration is in a normal state.
The battery temperature threshold refers to a threshold interval in which the battery surface temperature is in a normal state.
And the third polling result refers to the result of polling the third monitoring data by adopting a lithium-ion fire early warning strategy. The lithium electric fire early warning strategy refers to a strategy for judging whether an electrochemical energy storage system has a lithium electric fire trend or not.
In the embodiment of the invention, the VOC concentration, the CO concentration and the battery surface temperature in the electrochemical energy storage system are collected in real time through the third monitoring module to serve as third monitoring data, and whether the electrochemical energy storage system has a lithium fire trend or not is judged and determined step by step through the third monitoring data. Firstly, judging whether the VOC concentration exceeds a preset VOC concentration threshold value, and if so, indicating that the concentration of the volatile organic compounds is too high. Further judging whether the CO concentration is larger than a preset CO concentration threshold value, if not, outputting an information prompt of exceeding the standard of the organic volatile according to the judgment result of the previous stage, and determining that the third polling result is the first-stage lithium electricity fire disaster; otherwise, whether the surface temperature of the battery is higher than a preset battery temperature threshold value is further judged. If the gas is not higher than the preset value, outputting an information prompt of 'harmful gas contained in the battery compartment' according to the first two-stage judging result; if the third polling result is higher than the third polling result, the lithium electricity fire state is indicated, the information prompt of 'the occurrence of the lithium electricity fire' is output, and the third polling result is determined to be the third lithium electricity fire.
And step 205, responding to all polling results, executing corresponding reminding operation through the audible and visual alarm, and determining whether to execute protection operation.
Optionally, step 205 comprises the sub-steps of:
if the polling result is a primary thermal runaway, a primary common fire disaster or a primary lithium battery fire disaster, the audible and visual alarm does not remind and the protection operation is determined not to be executed;
if the polling result is a secondary thermal runaway, a secondary common fire disaster or a secondary lithium battery fire disaster, the audible and visual alarm sends out a bright prompt and determines that the protection operation is not executed;
if the polling result is three-level thermal runaway, three-level common fire or three-level lithium battery fire, the audible and visual alarm gives out audible and visual reminding, and the protection operation is determined to be executed.
In the embodiment of the invention, if corresponding monitoring data are polled according to a thermal runaway early warning strategy, a common fire early warning strategy and a lithium-ion fire early warning strategy, the obtained polling result is a primary polling result corresponding to each early warning strategy, and the audible and visual alarm does not send out a prompt; the obtained polling result is a secondary polling result corresponding to each early warning strategy, and the audible and visual alarm sends out a bright prompt; the obtained polling result is a three-level polling result corresponding to each early warning strategy, the audible and visual alarm sends out audible and visual reminding, the protection operation is determined to be executed, and the linkage deflation no-entry indicator lamp and the fire suppression module adopt corresponding fire extinguishing agent total flooding protection.
The fire suppression module comprises a fire extinguishing agent inlet electromagnetic valve, a fire extinguishing agent outlet electromagnetic valve, an atomization nozzle, a pump group and a fire extinguishing agent barrel.
Optionally, step 206 comprises the sub-steps of:
if the fire extinguishing agent type and the protection area are determined to be executed, determining the corresponding fire extinguishing agent type and the protection area according to the polling result;
starting countdown according to a preset time threshold value, and starting the deflation no-entry indicator lamp;
when the countdown reaches a preset time node, a fire extinguishing agent inlet electromagnetic valve and a fire extinguishing agent outlet electromagnetic valve corresponding to the protection area are opened;
when the countdown is completed, the fire extinguishing agent corresponding to the fire extinguishing agent type is taken from the fire extinguishing agent barrel through the fire extinguishing agent air inlet electromagnetic valve and the pump group and is conveyed to the fire extinguishing agent inlet electromagnetic valve;
and through the fire extinguishing agent inlet electromagnetic valve and the fire extinguishing agent outlet electromagnetic valve, the fire extinguishing agent is sprayed to the protection area through the atomizing nozzle program control corresponding to the protection area until a spraying ending signal is received.
It is worth mentioning that the method aims at the thermal runaway early warning strategy, the common fire early warning strategy and the lithium-ion fire early warning strategy pair The three-level polling results which should exist respectively and correspondingly adopt CO 2 (carbon dioxide), heptafluoropropane and perfluoro hexanone fire extinguishing agent for fire protection.
A protection zone refers to a zone within an electrochemical energy storage system where fire protection operations are to be performed.
The time threshold value refers to a threshold value of a time period from the time that the audible and visual alarm generates audible and visual reminding to the time that the fire extinguishing agent is sprayed for fire protection. The time node refers to a node for opening the fire extinguishing agent inlet solenoid valve, the fire extinguishing agent inlet solenoid valve and the fire extinguishing agent outlet solenoid valve in the interval range of the time threshold. For example, the time threshold may be set to 30 seconds and the time node may be set to 20 th second of 30 seconds.
The end spraying signal refers to a signal sent by an external terminal capable of supporting the fire protection application of the electrochemical energy storage system to stop spraying. It will be appreciated that the external terminal may determine whether to generate an end spray signal based on whether the fire suppressant level is too low or the battery level is too low or other unexpected circumstances.
In the embodiment of the invention, if the execution of the guard operation is determined, the corresponding adoption of the CO is determined according to the polling result of the guard operation as required 2 Heptafluoropropane or perfluoro hexanone fire extinguishing agent and corresponding protective area. And starting the countdown according to a preset time threshold value, and starting the deflation and no-entry indicator lamp to emit light. When the countdown reaches a preset time node, a fire extinguishing agent inlet electromagnetic valve and a fire extinguishing agent outlet electromagnetic valve corresponding to the protection area are opened, and during the period, if an ending spraying signal is not received from an external terminal, the fire extinguishing agent corresponding to the fire extinguishing agent type is fetched from the fire extinguishing agent barrel by opening the fire extinguishing agent inlet electromagnetic valve and starting a pump group when the countdown is completed, the fire extinguishing agent is conveyed to the fire extinguishing agent outlet electromagnetic valve from the fire extinguishing agent inlet electromagnetic valve, and the fire extinguishing agent is subjected to program-controlled spraying to the protection area through an atomizing nozzle corresponding to the protection area until the ending spraying signal is received.
Alternatively, the fire suppressant inlet solenoid valve may be provided as a self-circulating valve.
It can be understood that the fire extinguishing agent is rapidly atomized through the atomizing nozzle, and is sprayed on the protection area in a multi-point intermittent type circulation mode, so as to protect fire in a total submerged mode. Meanwhile, different spraying strategies can be adjusted through programming according to different conditions such as the capacity of the battery cell and the clean space of the battery box, so that the best fire extinguishing effect can be achieved by accurately controlling the minimum fire extinguishing dosage, and the effects of continuously restraining fire and reducing the temperature of the cabin body are achieved.
In the embodiment of the invention, in response to a received protection request, a plurality of groups of monitoring data of an electrochemical energy storage system are collected through a comprehensive monitoring module, a first polling result is generated by polling first monitoring data through a thermal runaway early warning strategy, a second polling result is generated by polling second monitoring data according to a common fire early warning strategy, a third polling result is generated by polling third monitoring data based on a lithium-ion fire early warning strategy, all polling results are responded, corresponding reminding operation is executed through an audible-visual alarm, whether the protection operation is executed is determined, and if the protection operation is determined to be executed, the protection operation is executed through a deflation no-entry indicator lamp and a fire suppression module. In the whole process of fire protection of the electrochemical energy storage system, multidimensional judgment is carried out through multi-parameter coupling, the accuracy of early warning and alarming of different types of lithium-ion power fires in a common fire house, in early battery thermal runaway and in lithium-ion power fires of the electrochemical energy storage system can be effectively improved, a protection area is determined through alarming information, the fire protection is carried out on the protection area by adopting a program-controlled spraying strategy, and the safety of the electrochemical energy storage system is improved.
Referring to fig. 3, fig. 3 is a flowchart illustrating a fire protection apparatus for an electrochemical energy storage system according to a third embodiment of the present invention.
The invention provides a fire protection device of an electrochemical energy storage system, which relates to a comprehensive monitoring module, an audible and visual alarm, a deflation no-entry indicator lamp and a fire suppression module, and comprises the following components:
the monitoring module 301 is configured to collect, by using the integrated monitoring module, multiple sets of monitoring data of the electrochemical energy storage system in response to the received protection request.
And the polling module 302 is configured to select corresponding early warning strategies to poll according to each set of monitoring data, and generate a plurality of polling results.
And the polling result processing module 303 is configured to respond to all polling results, execute corresponding reminding operations through the audible and visual alarm, and determine whether to execute guard operations.
The protection operation execution module 304 is configured to execute the protection operation by deflating the no-entry indicator lamp and the fire suppression module if the execution is determined.
Optionally, the plurality of sets of monitoring data includes first monitoring data, second monitoring data, and third monitoring data; the polling module 302 includes:
the first polling sub-module is used for polling the first monitoring data by adopting a thermal runaway early warning strategy to generate a first polling result;
The second polling sub-module is used for polling the second monitoring data according to a common fire early warning strategy to generate a second polling result;
and the third polling sub-module is used for polling the third monitoring data based on the lithium electricity fire early warning strategy and generating a third polling result.
Optionally, the first monitoring data includes a cell voltage, a cell temperature, an SOC value, an SOH value, and a cell temperature rate of change; the first polling submodule is specifically configured to:
judging whether the battery cell voltage exceeds the range of a preset battery cell voltage threshold interval or whether the battery cell temperature exceeds the range of a preset battery cell temperature threshold interval;
if the battery cell voltage exceeds the range of the battery cell voltage threshold interval or the battery cell temperature exceeds the battery cell temperature threshold interval, judging whether the SOC value is in the range of the SOC threshold interval corresponding to the SOH value;
if the SOC value is in the range of the SOC threshold value interval, outputting an abnormal early warning of the battery cell, and determining that the first polling result is primary thermal runaway;
if the SOC value is not in the range of the SOC threshold value interval, judging whether the temperature change rate of the battery cell is larger than a preset temperature change rate threshold value or not;
if the temperature change rate of the battery core is not greater than the temperature change rate threshold, outputting a charge-discharge abnormal alarm, and determining that the first polling result is the second-level thermal runaway;
If the temperature change rate of the battery cell is greater than the temperature change rate threshold, outputting that the battery is in thermal runaway, and determining that the first polling result is three-stage thermal runaway.
Optionally, the first polling sub-module is specifically further configured to:
if the battery cell voltage exceeds the range of the battery cell voltage threshold value or the battery cell temperature exceeds the battery cell temperature threshold value, calculating a first difference value between the SOH value and a preset first threshold value;
performing difference operation by adopting a preset second threshold value and the first difference value to generate a second difference value;
taking the first difference value and the second difference value as interval endpoints to construct an SOC threshold interval;
and judging whether the SOC value exceeds the range of the SOC threshold value interval.
Optionally, the second monitoring data includes ambient temperature, smoke concentration, and flame imaging data; the second polling sub-module is specifically configured to:
judging whether the ambient temperature is higher than a preset ambient temperature threshold value;
if the ambient temperature is higher than the ambient temperature threshold, judging whether the smoke concentration exceeds a preset smoke concentration threshold;
if the smoke concentration does not exceed the smoke concentration threshold, outputting a high-temperature early warning, and determining that the second polling result is a first-level common fire;
if the smoke concentration exceeds the smoke concentration threshold, judging whether open flame exists in the flame imaging data;
If the flame imaging data does not have open fire, outputting unknown dense smoke, and determining a second polling result as a second-level common fire;
if open fire exists in the flame imaging data, outputting an electric fire disaster, and determining that the second polling result is three-level common fire disaster.
Optionally, the third monitored data includes VOC concentration, CO concentration, and battery surface temperature; the third polling sub-module is specifically configured to:
judging whether the VOC concentration exceeds a preset VOC concentration threshold value;
if the VOC concentration exceeds the VOC concentration threshold, judging whether the CO concentration is greater than a preset CO concentration threshold;
if the concentration of CO does not exceed the CO concentration threshold, outputting an organic volatile matter exceeding standard, and determining that the third polling result is a first-level lithium electricity fire disaster;
if the CO concentration exceeds the CO concentration threshold, judging whether the surface temperature of the battery is higher than a preset battery temperature threshold;
if the surface temperature of the battery is not higher than the battery temperature threshold, outputting harmful gas contained in the battery compartment, and determining that the third polling result is a secondary lithium battery fire;
if the surface temperature of the battery is higher than the battery temperature threshold, outputting that the lithium battery fire occurs, and determining that the third polling result is the third-stage lithium battery fire.
Optionally, the polling result processing module 303 is specifically configured to:
If the polling result is a primary thermal runaway, a primary common fire disaster or a primary lithium battery fire disaster, the audible and visual alarm does not remind and the protection operation is determined not to be executed;
if the polling result is a secondary thermal runaway, a secondary common fire disaster or a secondary lithium battery fire disaster, the audible and visual alarm sends out a bright prompt and determines that the protection operation is not executed;
if the polling result is three-level thermal runaway, three-level common fire or three-level lithium battery fire, the audible and visual alarm gives out audible and visual reminding, and the protection operation is determined to be executed.
Optionally, the fire suppression module comprises a fire extinguishing agent inlet electromagnetic valve, a fire extinguishing agent outlet electromagnetic valve, an atomization nozzle, a pump group and a fire extinguishing agent barrel; the guard operation execution module 304 is specifically configured to:
if the fire extinguishing agent type and the protection area are determined to be executed, determining the corresponding fire extinguishing agent type and the protection area according to the polling result;
starting countdown according to a preset time threshold value, and starting the deflation no-entry indicator lamp;
when the countdown reaches a preset time node, a fire extinguishing agent inlet electromagnetic valve and a fire extinguishing agent outlet electromagnetic valve corresponding to the protection area are opened;
when the countdown is completed, the fire extinguishing agent corresponding to the fire extinguishing agent type is taken from the fire extinguishing agent barrel through the fire extinguishing agent air inlet electromagnetic valve and the pump group and is conveyed to the fire extinguishing agent inlet electromagnetic valve;
And through the fire extinguishing agent inlet electromagnetic valve and the fire extinguishing agent outlet electromagnetic valve, the fire extinguishing agent is sprayed to the protection area through the atomizing nozzle program control corresponding to the protection area until a spraying ending signal is received.
The embodiment of the invention also provides electronic equipment, which is characterized by comprising a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the steps of the fire protection method of the electrochemical energy storage system according to any embodiment of the invention.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the apparatus and modules described above may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a fire protection method of electrochemical energy storage system, which is characterized in that it relates to integrated monitoring module, audible and visual alarm, gassing do not go into pilot lamp and fire suppression module, includes:
responding to the received protection request, and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module;
respectively selecting corresponding early warning strategies to poll according to each group of monitoring data, and generating a plurality of polling results;
responding to all the polling results, executing corresponding reminding operation through the audible and visual alarm, and determining whether to execute protection operation;
and if the operation is determined to be executed, the protection operation is executed through the deflation no-entry indicator lamp and the fire suppression module.
2. The method of claim 1, wherein the plurality of sets of monitoring data comprises first, second, and third monitoring data; the step of respectively selecting corresponding early warning strategies for polling according to each group of monitoring data to generate a plurality of polling results comprises the following steps:
polling the first monitoring data by adopting a thermal runaway early warning strategy to generate a first polling result;
Polling the second monitoring data according to a common fire early warning strategy to generate a second polling result;
and polling the third monitoring data based on a lithium electricity fire early warning strategy to generate a third polling result.
3. The method of claim 2, wherein the first monitored data includes cell voltage, cell temperature, SOC value, SOH value, and cell temperature rate of change; the step of adopting a thermal runaway early warning strategy to poll the first monitoring data and generating a first polling result comprises the following steps:
judging whether the battery cell voltage exceeds the range of a preset battery cell voltage threshold interval or whether the battery cell temperature exceeds the range of a preset battery cell temperature threshold interval;
if the battery cell voltage exceeds the range of the battery cell voltage threshold interval or the battery cell temperature exceeds the battery cell temperature threshold interval, judging whether the SOC value is in the range of the SOC threshold interval corresponding to the SOH value;
if the SOC value is in the range of the SOC threshold value interval, outputting an abnormal early warning of the battery cell, and determining a first polling result as primary thermal runaway;
if the SOC value is not in the range of the SOC threshold value interval, judging whether the temperature change rate of the battery cell is larger than a preset temperature change rate threshold value or not;
If the temperature change rate of the battery cell is not greater than the temperature change rate threshold, outputting a charge-discharge abnormal alarm, and determining that a first polling result is the secondary thermal runaway;
and if the temperature change rate of the battery cell is larger than the temperature change rate threshold, outputting the battery to generate thermal runaway, and determining that the first polling result is three-stage thermal runaway.
4. The method of claim 3, wherein the step of determining whether the SOC value is within a range of the SOC threshold interval corresponding to the SOH value if the cell voltage exceeds the range of the cell voltage threshold or the cell temperature exceeds the cell temperature threshold comprises:
if the battery cell voltage exceeds the range of the battery cell voltage threshold value or the battery cell temperature exceeds the battery cell temperature threshold value, calculating a first difference value between the SOH value and a preset first threshold value;
performing difference operation by adopting a preset second threshold value and the first difference value to generate a second difference value;
constructing an SOC threshold interval by taking the first difference value and the second difference value as interval endpoints;
and judging whether the SOC value exceeds the range of the SOC threshold value interval.
5. The electrochemical energy storage system fire protection method of claim 3, wherein the second monitoring data comprises ambient temperature, smoke concentration, and flame imaging data; the step of polling the second monitoring data according to the common fire early warning strategy to generate a second polling result comprises the following steps:
judging whether the ambient temperature is higher than a preset ambient temperature threshold value;
if the ambient temperature is higher than the ambient temperature threshold, judging whether the smoke concentration exceeds a preset smoke concentration threshold;
if the smoke concentration does not exceed the smoke concentration threshold, outputting a high-temperature early warning, and determining that the second polling result is a first-level common fire;
if the smoke concentration exceeds the smoke concentration threshold, judging whether open flame exists in the flame imaging data;
if the flame imaging data does not have open fire, outputting unknown dense smoke, and determining a second polling result as a second-level common fire;
if open fire exists in the flame imaging data, outputting an electric fire disaster, and determining that the second polling result is three-level common fire disaster.
6. The method of claim 5, wherein the third monitored data includes VOC concentration, CO concentration and battery surface temperature; the step of polling the third monitoring data based on the lithium electricity fire early warning strategy to generate a third polling result comprises the following steps:
Judging whether the VOC concentration exceeds a preset VOC concentration threshold value;
if the VOC concentration exceeds the VOC concentration threshold, judging whether the CO concentration is greater than a preset CO concentration threshold;
if the CO concentration does not exceed the CO concentration threshold, outputting an organic volatile matter exceeding standard, and determining that the third polling result is a primary lithium electricity fire disaster;
if the CO concentration exceeds the CO concentration threshold, judging whether the surface temperature of the battery is higher than a preset battery temperature threshold;
if the surface temperature of the battery is not higher than the battery temperature threshold, outputting harmful gas contained in a battery cabin, and determining that a third polling result is a secondary lithium battery fire;
and if the surface temperature of the battery is higher than the battery temperature threshold, outputting that a lithium electricity fire occurs, and determining that the third polling result is a three-stage lithium electricity fire.
7. The method of claim 6, wherein the steps of responding to all the polling results, performing a corresponding alert operation by the audible and visual alarm, and determining whether to perform a protection operation, comprise:
if the polling result is the primary thermal runaway, the primary common fire or the primary lithium-ion fire, the audible and visual alarm does not remind and the protection operation is determined not to be executed;
If the polling result is the secondary thermal runaway, the secondary common fire disaster or the secondary lithium battery fire disaster, the audible and visual alarm sends out a light prompt and determines that the protection operation is not executed;
and if the polling result is the three-level thermal runaway, the three-level common fire or the three-level lithium-ion fire, the audible and visual alarm sends out audible and visual reminding and determines to execute protection operation.
8. The method of claim 1, wherein the fire suppression module comprises a fire suppressant inlet solenoid valve, a fire suppressant outlet solenoid valve, an atomizer, a pump stack, and a fire suppressant barrel; and if the step is determined to be executed, executing the protection operation through the deflation no-entry indicator and the fire suppression module, wherein the step comprises the following steps of:
if yes, determining a corresponding fire extinguishing agent type and a protection area according to the polling result;
starting countdown according to a preset time threshold value, and starting the deflation no-entry indicator lamp;
when the countdown reaches a preset time node, opening a fire extinguishing agent inlet electromagnetic valve, a fire extinguishing agent inlet electromagnetic valve and a fire extinguishing agent outlet electromagnetic valve which correspond to the protection area;
When the countdown is completed, the fire extinguishing agent corresponding to the fire extinguishing agent type is called from the fire extinguishing agent barrel through the fire extinguishing agent air inlet electromagnetic valve and the pump group and is conveyed to the fire extinguishing agent inlet electromagnetic valve;
and through the fire extinguishing agent inlet electromagnetic valve and the fire extinguishing agent outlet electromagnetic valve, the fire extinguishing agent is sprayed to the protection area through the atomizing nozzle program control corresponding to the protection area until a spraying ending signal is received.
9. The utility model provides an electrochemistry energy storage system fire protection device which characterized in that relates to comprehensive monitoring module, audible and visual alarm, gassing do not go into pilot lamp and fire suppression module, includes:
the monitoring module is used for responding to the received protection request and collecting multiple groups of monitoring data of the electrochemical energy storage system through the comprehensive monitoring module;
the polling module is used for respectively selecting corresponding early warning strategies to poll according to each group of monitoring data to generate a plurality of polling results;
the polling result processing module is used for responding to all the polling results, executing corresponding reminding operation through the audible and visual alarm and determining whether to execute protection operation or not;
and the protection operation execution module is used for executing the protection operation through the deflation no-entry indicator lamp and the fire suppression module if the protection operation is determined to be executed.
10. An electronic device comprising a memory and a processor, wherein the memory stores a computer program that, when executed by the processor, causes the processor to perform the steps of the electrochemical energy storage system fire protection method of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310018981.1A CN116013049A (en) | 2023-01-06 | 2023-01-06 | Fire protection method, device and equipment for electrochemical energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310018981.1A CN116013049A (en) | 2023-01-06 | 2023-01-06 | Fire protection method, device and equipment for electrochemical energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116013049A true CN116013049A (en) | 2023-04-25 |
Family
ID=86033483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310018981.1A Pending CN116013049A (en) | 2023-01-06 | 2023-01-06 | Fire protection method, device and equipment for electrochemical energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116013049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117152896A (en) * | 2023-09-11 | 2023-12-01 | 北京北元电器有限公司 | Electrical fire monitoring method and system |
| CN117159953A (en) * | 2023-11-03 | 2023-12-05 | 安徽中科中涣智能装备股份有限公司 | Fire monitoring, prevention and control system and method for battery box |
-
2023
- 2023-01-06 CN CN202310018981.1A patent/CN116013049A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117152896A (en) * | 2023-09-11 | 2023-12-01 | 北京北元电器有限公司 | Electrical fire monitoring method and system |
| CN117159953A (en) * | 2023-11-03 | 2023-12-05 | 安徽中科中涣智能装备股份有限公司 | Fire monitoring, prevention and control system and method for battery box |
| CN117159953B (en) * | 2023-11-03 | 2024-03-15 | 安徽中科中涣智能装备股份有限公司 | Fire monitoring, prevention and control system and method for battery box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116013049A (en) | Fire protection method, device and equipment for electrochemical energy storage system | |
| CN110265736B (en) | Energy storage power station battery management system with intelligent fire early warning function and early warning method | |
| CN112316332A (en) | Multistage early warning fire fighting device and method for lithium ion battery cabinet | |
| CN110882504A (en) | Direct-current power supply system storage battery pack fire pre-judging and fire extinguishing system and method | |
| CN102013711A (en) | High-voltage high-power storage battery protection system and monitoring method thereof | |
| CN114839555A (en) | Early warning method and device for battery energy storage system, electronic equipment and storage medium | |
| CN111326807A (en) | Electric automobile lithium cell box monitoring devices | |
| CN111261957B (en) | Lithium ion energy storage battery thermal runaway protection system and method based on distribution control | |
| CN114709500A (en) | Multi-stage fire early warning system and method for energy storage battery cluster box | |
| CN115671610A (en) | Electrochemistry energy storage station battery compartment fire extinguishing system | |
| CN114100023A (en) | Energy storage power station thermal runaway three-level early warning and fire-fighting linkage system | |
| CN112090006B (en) | Fire control system and method for prefabricated cabin | |
| CN114995208A (en) | Energy storage safety system and control method thereof | |
| CN217448772U (en) | Battery fire monitoring and early warning system of wind and light energy storage power station | |
| CN114100024A (en) | Energy storage fire safety electric linkage control system and method | |
| CN116864840A (en) | Lithium battery thermal runaway three-stage safety early warning method and system for energy storage power station | |
| CN111416856A (en) | Household energy storage management system and monitoring method based on Internet of things platform | |
| WO2024087929A1 (en) | Fire protection detection method and related apparatus, electronic device and medium | |
| CN113426057A (en) | Intelligent fire-fighting Internet of things management system | |
| CN211863633U (en) | Container echelon energy storage system with fire fighting device | |
| CN205375739U (en) | Remote regional power generating equipment intelligence fire -fighting controller | |
| CN115019465B (en) | Early warning system for energy storage of transformer substation | |
| CN115548483A (en) | Energy storage system and control method thereof | |
| CN116434464A (en) | Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station | |
| CN114882666A (en) | Intelligent household fire early warning method and system, terminal device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |