Lithium battery fire emergency disposal method and system

Abstract

The invention discloses a lithium battery fire emergency disposal method and system, and the method comprises the steps: marking a scene where a lithium battery is located as a to-be-detected scene, detecting and positioning combustibles in the to-be-detected scene, and obtaining the position information of a plurality of combustibles, on the basis of the multiple pieces of combustible material position information, areas where lithium battery emergency can be carried out in the scene to be detected are judged, and multiple lithium battery emergency processing areas are obtained; based on the area of the lithium battery emergency processing area, the number of combustible materials around the lithium battery emergency processing area, the combustion performance of each combustible material and the volume of each combustible material, an emergency area scoring coefficient W of each lithium battery emergency processing area is obtained, and the field emergency effect of each lithium battery emergency processing area is evaluated to obtain an emergency area effect evaluation grade; and the lithium battery detection assembly and the emergency processing assembly in the to-be-detected scene are reasonably arranged according to the number of the lithium batteries in the to-be-detected scene, the stability of the lithium batteries and the concentration ratio of the lithium batteries. The lithium battery fire emergency disposal method has the effect of improving the lithium battery fire emergency disposal efficiency.

Description

Technical Field

[0001] The present application relates to the field of lithium battery technology, and in particular to a lithium battery fire emergency response method and system. Background Art

[0002] At present, lithium batteries are rechargeable batteries with lithium as the main material. With the development of microelectronics technology in the 20th century, the number of miniaturized devices has increased, which has put forward high requirements for power sources. Lithium batteries have entered a large-scale practical stage. To this day, lithium batteries are widely used in all aspects of people's daily lives. However, lithium-ion batteries will experience thermal runaway under conditions such as overheating, overcharging, short circuit or physical damage, resulting in runaway of the chemical reaction inside the battery, thus causing combustion or explosion accidents. Therefore, emergency disposal of lithium battery fires is crucial.

[0003] The existing emergency response method for lithium battery fires is to isolate the runaway lithium batteries from the production line by staff and carefully move them to a safe place for treatment. However, the personal safety of staff is threatened in the existing emergency response method for lithium battery fires. Explosions or larger fires are prone to occur during the process of removing thermal runaway lithium batteries. The emergency response efficiency for lithium battery fires is low and there is room for improvement. Summary of the invention

[0004] In order to improve the efficiency of emergency response to lithium battery fires, the present application provides a method and system for emergency response to lithium battery fires.

[0005] In the first aspect, the present application provides a lithium battery fire emergency disposal method, which adopts the following technical solution:

[0006] A lithium battery fire emergency disposal method comprises the following steps:

[0007] The scene where the lithium battery is located is marked as the scene to be tested, the combustibles in the scene to be tested are detected and located to obtain multiple combustible position information, and based on the multiple combustible position information, the area in the scene to be tested where lithium battery emergency can be carried out is determined to obtain multiple lithium battery emergency treatment areas;

[0008] Detect and obtain the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluate the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect evaluation level;

[0009] Reasonably arrange the lithium battery detection components and emergency treatment components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of lithium batteries;

[0010] The lithium battery in the test scene is tested according to the lithium battery detection component to determine whether the lithium battery is in thermal runaway. If the lithium battery is in thermal runaway, a lithium battery thermal runaway alarm signal is output, and the severity of the lithium battery thermal runaway is determined to obtain a result of the severity of the lithium battery thermal runaway. If there is a risk of lithium battery thermal runaway, a thermal runaway warning signal is output;

[0011] The optimal lithium battery emergency area is selected from multiple lithium battery emergency treatment areas based on the emergency area effect evaluation level, and the thermal runaway lithium battery is grabbed and moved to the optimal lithium battery emergency area for fire extinguishing operations based on the emergency treatment components.

[0012] Preferably, objects in the site to be tested are detected and located to obtain site object location information;

[0013] Based on the site object position information, the material of each object in the site to be tested is detected to obtain the object material information, and according to the object material information, whether each object in the site position information is a combustible object is determined, and if it is a combustible object, the combustible object is located to obtain the combustible object position information;

[0014] Determine the combustion performance of each combustible according to the object material information and the combustible position information, classify the combustible to obtain a combustible classification result, wherein the combustible classification result includes a flammable object, a combustible object, and a non-flammable object;

[0015] According to the location information of objects in the site and the location information of combustibles, the lithium battery emergency points in the site to be tested are judged to obtain multiple lithium battery emergency treatment areas.

[0016] Preferably, the area of ​​each lithium battery emergency treatment area is detected to obtain emergency area area information, and the influence of the area of ​​the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is determined according to the emergency area area information to obtain the emergency area area influence coefficient AQ;

[0017] According to the emergency area area information of the lithium battery emergency treatment area, the surrounding impact area of ​​the lithium battery emergency treatment area is determined and marked as a ring-shaped impact area;

[0018] Determine the number of combustibles in the annular impact area according to the combustible position information to obtain the number of combustibles in the annular area, and determine the impact of the number of combustibles in the annular impact area on the score of the lithium battery emergency treatment area based on the number of combustibles in the annular area to obtain the surrounding combustible number impact coefficient AK;

[0019] According to the number of combustibles in the annular area and the combustible classification results, the combustion performance coefficient AX of each combustible in the annular area is calculated;

[0020] According to the number information and position information of the combustibles in the annular area, the volume of each combustible in the annular impact area is determined to obtain the volume information of the combustibles in the annular area, and according to the volume information of the combustibles in the annular area, the volume of the combustibles in the annular image area is judged to affect the score of the lithium battery emergency treatment area to obtain the surrounding combustible volume influence coefficient AT;

[0021] According to the combustion performance coefficient AX of each combustible in the annular area and the volume influence coefficient AT of the surrounding combustibles of each combustible, the combustion influence coefficient AY' of each combustible in the annular influence area is calculated based on the first relationship function AY'=a1×AX+a2×AT, where a1 and a2 are proportional factors and are both greater than 0;

[0022] The combustion performance influence coefficient AY of the annular influence area is obtained by calculating the mean value of the combustion influence coefficient AY' of each combustible in the annular influence area;

[0023] According to the emergency area area influence coefficient AQ, the surrounding combustible number influence coefficient AK and the combustion performance influence coefficient AY of the annular influence area, based on the second relationship function The emergency area scoring coefficient W of the lithium battery emergency treatment area is calculated, where ω1, ω2, and ω3 are proportional factors and are all greater than 0;

[0024] According to the emergency area scoring coefficient W of each lithium battery emergency treatment area, the site emergency effect of each lithium battery emergency treatment area in the tested site is evaluated to obtain the emergency area effect evaluation grade.

[0025] Preferably, the material information of the lithium battery in the site to be tested is detected, wherein the material information of the lithium battery includes positive electrode material information, negative electrode material information and electrolyte composition information;

[0026] Acquire a positive electrode material thermal stability database, wherein the positive electrode material thermal stability database includes different lithium battery positive electrode materials and corresponding positive electrode material thermal stability capabilities;

[0027] Matching the positive electrode material information of the lithium battery in the test site with the positive electrode material thermal stability database to obtain the thermal stability capacity of the positive electrode material of the lithium battery in the test site, and obtaining the thermal stability coefficient BZ of the positive electrode material according to the thermal stability capacity of the positive electrode material of the lithium battery in the test site;

[0028] Acquire a negative electrode material reactivity database, wherein the negative electrode material reactivity database includes different lithium battery negative electrode materials and corresponding negative electrode material reactivity capabilities;

[0029] Matching the negative electrode material information of the lithium battery in the test site with the negative electrode material reactivity database to obtain the negative electrode material reactivity of the lithium battery in the test site, and obtaining the negative electrode material reactivity coefficient BF according to the negative electrode material reactivity of the lithium battery in the test site;

[0030] Acquire an electrolyte thermal stability database, wherein the electrolyte thermal stability database includes electrolytes of different component types and corresponding electrolyte thermal stability capabilities;

[0031] Matching the electrolyte composition information of the lithium battery in the test site with the electrolyte thermal stability database to obtain the electrolyte thermal stability capacity of the lithium battery in the test site, and obtaining the electrolyte thermal stability coefficient BD according to the electrolyte thermal stability capacity of the lithium battery in the test site;

[0032] According to the thermal stability coefficient BZ of the positive electrode material, the reactivity coefficient BF of the negative electrode material and the thermal stability coefficient BD of the electrolyte, based on the stability relationship function of the lithium battery itself Calculation is performed to obtain the lithium battery self-stability coefficient BL of the lithium battery in the test site, where b1, b2, and b3 are proportional factors and are all greater than 0.

[0033] Preferably, the number of lithium batteries in the test site is detected to obtain information on the number of lithium batteries;

[0034] According to the lithium battery quantity information, determine the influence of the lithium battery quantity on the lithium battery fire and obtain the lithium battery quantity influence coefficient BG;

[0035] Detecting the concentration of lithium batteries in the test site to obtain lithium battery concentration information;

[0036] According to the lithium battery concentration information, the influence of the concentration of lithium batteries in the test site on the occurrence of lithium battery fire is determined to obtain the lithium battery concentration influence coefficient BJ;

[0037] According to the lithium battery self-stability coefficient BL, the lithium battery quantity influence coefficient BG and the lithium battery concentration influence coefficient BJ of the lithium battery in the test site, the component layout influence coefficient BW is calculated based on the component layout relationship function BW=b4×BL+b5×BG+b6×BJ, where b4, b5, and b6 are proportional factors and are all greater than 0;

[0038] Determine the number of lithium battery detection components and emergency treatment components in the site to be tested based on the component layout influence coefficient BW;

[0039] According to the lithium battery concentration information, the number of lithium battery detection components and the number of emergency treatment components in the test site, lithium battery detection components and emergency treatment components are deployed in the test site. The higher the lithium battery concentration in the test site, the denser the lithium battery detection components are deployed and the denser the emergency treatment components are deployed.

[0040] Preferably, the lithium battery detection component includes a high-definition camera, a smoke sensor, a thermal imaging camera and a temperature sensor;

[0041] The site to be tested is photographed by a high-definition camera to obtain photographed image information, and whether there is smoke in the site to be tested is judged based on the photographed image information. If there is smoke, the location of the smoke source is judged based on the photographed image information. If the smoke source is a lithium battery, a lithium battery thermal runaway alarm signal is output, and the smoke concentration in the site to be tested is detected in real time by a smoke sensor to obtain a smoke concentration value, and a first lithium battery thermal runaway coefficient is obtained based on the smoke concentration value;

[0042] If the smoke source is not a lithium battery, the distance between the smoke source and the nearest lithium battery is detected to obtain the target distance; the target distance threshold between the smoke source and the lithium battery in the test site is set based on the smoke concentration value;

[0043] Compare the target distance with the target distance threshold, if the target distance is greater than the target distance threshold, output a lithium battery thermal runaway warning signal, if the target distance is less than or equal to the target distance threshold, output a lithium battery thermal runaway alarm signal, calculate the difference between the target distance and the target distance threshold to obtain a second target difference, and obtain a second lithium battery thermal runaway coefficient based on the second target difference;

[0044] Based on the thermal imaging camera, the lithium battery in the test site is detected in real time to obtain thermal imaging image information, and the temperature distribution of the lithium battery in the test scene is determined according to the thermal imaging image information to obtain the temperature distribution result of the lithium battery;

[0045] The temperature of the lithium battery surface in the high temperature area of ​​the lithium battery temperature distribution result is detected in real time by the temperature sensor to obtain the real-time temperature value of the lithium battery;

[0046] Compare the lithium battery temperature value with a preset lithium battery temperature threshold, output a lithium battery thermal runaway alarm signal if the lithium battery temperature value is greater than or equal to the preset lithium battery temperature threshold, calculate the difference between the lithium battery temperature value and the preset lithium battery temperature threshold to obtain a third target difference, and obtain a third lithium battery thermal runaway coefficient based on the third target difference;

[0047] The first lithium battery thermal runaway coefficient, the second lithium battery thermal runaway coefficient, and the third lithium battery thermal runaway coefficient are combined to form a lithium battery thermal runaway severity result;

[0048] The temperature rise rate of the lithium battery is calculated according to the real-time temperature value of the lithium battery to obtain the lithium battery temperature rise rate information, and the lithium battery temperature rise rate information is compared with the preset lithium battery temperature rise rate threshold. If the lithium battery temperature rise rate information is greater than or equal to the preset lithium battery temperature rise rate threshold, a lithium battery thermal runaway warning signal is output.

[0049] Preferably, after receiving the lithium battery thermal runaway alarm signal, the lithium battery with thermal runaway in the test scene is located based on the captured image information and the thermal imaging image information to obtain the location information of the thermal runaway lithium battery;

[0050] Obtaining the location information of the emergency processing component, based on the location information of the thermal runaway lithium battery and the location information of the emergency processing component, selecting the emergency processing component closest to the thermal runaway lithium battery, and marking it as a characteristic emergency processing component;

[0051] The characteristic emergency treatment component includes a mobile device, a mechanical arm and a fireproof package component, the mechanical arm is welded on the mobile device, and the fireproof package component is arranged at the tail end of the mechanical arm;

[0052] According to the results of the severity of the thermal runaway of the lithium battery, the level of the effect assessment of the emergency area required for the thermal runaway fire of the lithium battery in the test site is determined to obtain the target level of the emergency area effect assessment;

[0053] Match the emergency area effect assessment target level with the emergency area effect assessment level of each lithium battery emergency treatment area in the site to be tested, and screen multiple lithium battery emergency areas in the site to be tested to obtain multiple qualified lithium battery emergency areas;

[0054] Among multiple qualified lithium battery emergency areas, select the qualified lithium battery emergency area closest to the thermal runaway lithium battery and mark it as the optimal lithium battery emergency area;

[0055] The mobile device moves to the side of the thermal runaway lithium battery, wraps the thermal runaway lithium battery with the fireproof wrapping component, and then performs a grabbing operation with the robotic arm;

[0056] After the grabbing operation is completed, the thermal runaway lithium battery is moved to the optimal lithium battery emergency area based on the mobile device. After reaching the optimal lithium battery emergency area, the robotic arm is released and the thermal runaway lithium battery is placed in the optimal lithium battery emergency area.

[0057] Fire extinguishing operation of thermal runaway lithium battery based on dry powder fire extinguisher.

[0058] In the second aspect, the present application provides a lithium battery fire emergency disposal system, which adopts the following technical solution:

[0059] A lithium battery fire emergency disposal system, comprising:

[0060] The emergency area analysis module is configured to mark the scene where the lithium battery is located as a scene to be tested, detect and locate the combustibles in the scene to be tested to obtain multiple combustible position information, and determine the area in the scene to be tested where lithium battery emergency can be carried out based on the multiple combustible position information to obtain multiple lithium battery emergency treatment areas;

[0061] The emergency area assessment module is configured to detect and obtain the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluate the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect assessment level;

[0062] A component layout module is configured to reasonably layout the lithium battery detection components and emergency processing components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of the lithium batteries;

[0063] The lithium battery thermal runaway analysis module is configured to detect the lithium battery in the test scene according to the lithium battery detection component, determine whether the lithium battery is in thermal runaway, output a lithium battery thermal runaway alarm signal if the lithium battery is in thermal runaway, and determine the severity of the lithium battery thermal runaway to obtain a result of the severity of the lithium battery thermal runaway, and output a thermal runaway warning signal if there is a risk of lithium battery thermal runaway;

[0064] The thermal runaway emergency processing module is configured to select the optimal lithium battery emergency area from multiple lithium battery emergency processing areas based on the emergency area effect evaluation level, and to grab and move the thermal runaway lithium battery to the optimal lithium battery emergency area for fire extinguishing operations based on the emergency processing component.

[0065] In summary, the present application includes at least one of the following beneficial technical effects:

[0066] 1. The influence of the regional area on the score of the lithium battery emergency treatment area is judged by the regional area of ​​each lithium battery emergency treatment area to obtain the emergency area area influence coefficient AQ. The influence of the combustibles around the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is judged according to the number of combustibles around the lithium battery emergency treatment area to obtain the surrounding combustible number influence coefficient AK. According to the combustion performance of each combustible around the lithium battery emergency treatment area and the volume of each combustible, the influence of the combustibles around the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is judged to obtain the combustion performance influence coefficient AY of the annular influence area. According to the emergency area area influence coefficient AQ, the surrounding combustible number influence coefficient AK and the combustion performance influence coefficient AY of the annular influence area, the emergency area scoring coefficient W of the lithium battery emergency treatment area is obtained, and then the site emergency effect of each lithium battery emergency treatment area is evaluated, thereby improving the detection accuracy of the site emergency effect of each lithium battery emergency treatment area in the tested site, and thus improving the efficiency of lithium battery fire emergency disposal;

[0067] 2. With the help of the thermal stability of the positive electrode material, the reactivity of the negative electrode material and the thermal stability of the electrolyte of the lithium battery in the test site, the self-stability ability of the lithium battery in the test site is judged to obtain the lithium battery self-stability coefficient BL, which improves the detection accuracy of the lithium battery self-stability ability and provides data support for the subsequent emergency disposal of lithium battery fires. The lithium battery quantity influence coefficient BG is obtained according to the number of lithium batteries in the test site, and the lithium battery concentration influence coefficient BJ is obtained according to the lithium battery concentration in the test site. The component layout influence coefficient BW is obtained according to the lithium battery self-stability coefficient BL, the lithium battery quantity influence coefficient BG and the lithium battery concentration influence coefficient BJ of the lithium batteries in the test site. According to the component layout influence coefficient BW, the number of lithium battery detection components and the number of emergency treatment components in the test site are determined, and then the lithium battery detection components and emergency treatment components are laid out in the test site, providing data support for the subsequent emergency disposal of lithium battery fires, thereby further improving the efficiency of emergency disposal of lithium battery fires. BRIEF DESCRIPTION OF THE DRAWINGS

[0068] Figure 1 This is a schematic diagram of the process of emergency handling of lithium battery fires in this embodiment;

[0069] Figure 2 This is a module schematic diagram mainly embodying the lithium battery fire emergency disposal method of this embodiment.

[0070] Figure numerals: 1. Emergency area analysis module; 2. Emergency area assessment module; 3. Component layout module; 4. Lithium battery thermal runaway analysis module; 5. Thermal runaway emergency handling module. DETAILED DESCRIPTION

[0071] The present application is further described in detail below in conjunction with the accompanying drawings.

[0072] The embodiment of the present application discloses a method for emergency disposal of lithium battery fire.

[0073] A lithium battery fire emergency disposal method comprises the following steps:

[0074] Reference Figure 1 Step S1, marking the scene where the lithium battery is located as the scene to be tested, detecting and locating the combustibles in the scene to be tested to obtain multiple combustible position information, and judging the area where lithium battery emergency can be carried out in the scene to be tested based on the multiple combustible position information to obtain multiple lithium battery emergency treatment areas. Step S1 specifically includes the following sub-steps:

[0075] Step S11, detecting and locating objects in the site to be detected to obtain site object location information.

[0076] Step S12, based on the site object position information, the material of each object in the site to be tested is detected to obtain the object material information, and whether each object in the site position information is a combustible is determined according to the object material information, and if it is a combustible, the combustible is located to obtain the combustible position information.

[0077] Step S13, judging the combustion performance of each combustible according to the object material information and the combustible position information, classifying the combustible to obtain a combustible classification result, the combustible classification result includes flammable objects, combustible objects and difficult to burn objects.

[0078] Step S14, determining the lithium battery emergency points in the site to be tested according to the site object location information and the combustible location information to obtain a plurality of lithium battery emergency treatment areas.

[0079] Reference Figure 1 , step S2, detecting and obtaining the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluating the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect evaluation level. Step S2 specifically includes the following sub-steps:

[0080] Step S21, detecting the area of ​​each lithium battery emergency treatment area to obtain emergency area area information, and judging the influence of the area of ​​the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area according to the emergency area area information to obtain the emergency area area influence coefficient AQ. The larger the area of ​​the lithium battery emergency treatment area, the larger the emergency area area influence coefficient AQ.

[0081] Step S22, determining the surrounding impact area of ​​the lithium battery emergency treatment area according to the emergency area area information of the lithium battery emergency treatment area and marking it as an annular impact area, wherein the larger the emergency area area of ​​the lithium battery emergency treatment area, the larger the annular impact area.

[0082] Step S23, determining the number of combustibles in the annular impact area according to the combustible position information to obtain the number of combustibles in the annular area, and determining the impact of the number of combustibles in the annular impact area on the score of the lithium battery emergency treatment area based on the number of combustibles in the annular area to obtain the surrounding combustible number impact coefficient AK. The more combustibles in the annular impact area, the greater the surrounding combustible number impact coefficient AK.

[0083] Step S24, based on the number of combustibles in the annular area and the combustible classification results, the combustion performance coefficient AX of each combustible in the annular area is calculated, wherein the combustion performance coefficient of the combustible object is the largest, the combustion performance coefficient of the combustible object is the second, and the combustion performance coefficient of the non-combustible object is the smallest.

[0084] Step S25, according to the number information of combustibles in the annular area and the position information of the combustibles, the volume of each combustible in the annular impact area is determined to obtain the annular area combustible volume information, and according to the annular area combustible volume information, the volume of the combustibles in the annular image area is judged to affect the score of the lithium battery emergency treatment area to obtain the surrounding combustible volume influence coefficient AT. The larger the annular area combustible volume information is, the larger the surrounding combustible volume influence coefficient AT is.

[0085] Step S26, according to the combustion performance coefficient AX of each combustible in the annular area and the volume influence coefficient AT of the surrounding combustibles of each combustible, calculation is performed based on the first relationship function AY'=a1×AX+a2×AT to obtain the combustion influence coefficient AY' of each combustible in the annular influence area, wherein a1 and a2 are proportional factors and are both greater than 0.

[0086] Step S27, calculating the mean value of the combustion influence coefficient AY' of each combustible in the annular influence area to obtain the combustion performance influence coefficient AY of the annular influence area.

[0087] Step S28, based on the second relationship function, according to the emergency area area influence coefficient AQ, the surrounding combustible number influence coefficient AK and the combustion performance influence coefficient AY of the annular influence area The emergency area scoring coefficient W of the lithium battery emergency treatment area is calculated, where ω1, ω2, and ω3 are proportional factors and are all greater than 0.

[0088] Step S29, based on the emergency area scoring coefficient W of each lithium battery emergency treatment area, the site emergency effect of each lithium battery emergency treatment area in the tested site is evaluated to obtain an emergency area effect evaluation grade. The larger the emergency area scoring coefficient W of the lithium battery emergency treatment area, the better the site emergency effect of the lithium battery emergency treatment area.

[0089] In specific applications, the influence of the regional area of ​​each lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is judged by the regional area of ​​each lithium battery emergency treatment area, and the emergency area area influence coefficient AQ is obtained. The influence of the combustibles around the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is judged according to the number of combustibles around the lithium battery emergency treatment area, and the surrounding combustible number influence coefficient AK is obtained. According to the combustion performance of each combustible around the lithium battery emergency treatment area and the volume of each combustible, the influence of the combustibles around the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area is judged to obtain the combustion performance influence coefficient AY of the annular influence area. According to the emergency area area influence coefficient AQ, the surrounding combustible number influence coefficient AK and the combustion performance influence coefficient AY of the annular influence area, the emergency area scoring coefficient W of the lithium battery emergency treatment area is obtained, and then the site emergency effect of each lithium battery emergency treatment area is evaluated, which improves the detection accuracy of the site emergency effect of each lithium battery emergency treatment area in the tested site, and thereby improves the efficiency of lithium battery fire emergency disposal.

[0090] Reference Figure 1 Step S3, reasonably arrange the lithium battery detection components and emergency processing components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of the lithium batteries. Step S3 specifically includes the following sub-steps:

[0091] Step A1, detecting the material information of the lithium battery in the test site, the material information of the lithium battery includes the positive electrode material information, the negative electrode material information and the electrolyte composition information.

[0092] Step A2, obtaining a positive electrode material thermal stability database, wherein the positive electrode material thermal stability database includes different lithium battery positive electrode materials and corresponding positive electrode material thermal stability capabilities.

[0093] Step A3, matching the positive electrode material information of the lithium battery in the test site with the positive electrode material thermal stability database, obtaining the thermal stability capability of the positive electrode material of the lithium battery in the test site, and obtaining the thermal stability coefficient BZ of the positive electrode material according to the thermal stability capability of the positive electrode material of the lithium battery in the test site. The stronger the thermal stability capability of the positive electrode material of the lithium battery in the test site, the greater the thermal stability coefficient BZ of the positive electrode material.

[0094] Step A4, obtaining a negative electrode material reactivity database, wherein the negative electrode material reactivity database includes different lithium battery negative electrode materials and corresponding negative electrode material reactivity capabilities.

[0095] Step A5, matching the negative electrode material information of the lithium battery in the test site with the negative electrode material reactivity database, obtaining the negative electrode material reactivity of the lithium battery in the test site, and obtaining the negative electrode material reactivity coefficient BF according to the negative electrode material reactivity of the lithium battery in the test site. The stronger the negative electrode material reactivity of the lithium battery in the test site, the greater the negative electrode material reactivity coefficient BF.

[0096] Step A6, obtaining an electrolyte thermal stability database, wherein the electrolyte thermal stability database includes electrolytes of different component types and corresponding electrolyte thermal stability capabilities.

[0097] Step A7, matching the electrolyte composition information of the lithium battery in the test site with the electrolyte thermal stability database, obtaining the electrolyte thermal stability capability of the lithium battery in the test site, and obtaining the electrolyte thermal stability coefficient BD according to the electrolyte thermal stability capability of the lithium battery in the test site. The stronger the electrolyte thermal stability capability of the lithium battery in the test site, the greater the electrolyte thermal stability coefficient BD.

[0098] Step A8: Based on the thermal stability coefficient BZ of the positive electrode material, the reactivity coefficient BF of the negative electrode material and the thermal stability coefficient BD of the electrolyte, the stability relationship function of the lithium battery itself is calculated. Calculation is performed to obtain the lithium battery self-stability coefficient BL of the lithium battery in the test site, where b1, b2, and b3 are proportional factors and are all greater than 0.

[0099] In specific applications, the thermal stability of the positive electrode material, the reactivity of the negative electrode material and the thermal stability of the electrolyte of the lithium battery in the test site are used to judge the self-stability ability of the lithium battery in the test site and obtain the lithium battery's own stability coefficient BL, which improves the detection accuracy of the lithium battery's own stability ability and provides data support for subsequent emergency response to lithium battery fires.

[0100] Step S3 also includes the following sub-steps:

[0101] Step B1, detecting the number of lithium batteries in the test site to obtain lithium battery quantity information.

[0102] Step B2: determine the influence of the number of lithium batteries on the occurrence of lithium battery fires according to the lithium battery number information to obtain a lithium battery number influence coefficient BG, wherein the greater the number of lithium batteries, the greater the lithium battery number influence coefficient BG.

[0103] Step B3, detecting the concentration of lithium batteries in the test site to obtain lithium battery concentration information.

[0104] Step B4, judging the influence of the concentration of lithium batteries in the test site on the occurrence of lithium battery fires according to the lithium battery concentration information, and obtaining the lithium battery concentration influence coefficient BJ. The higher the lithium battery concentration, the greater the lithium battery concentration influence coefficient BJ.

[0105] Step B5, according to the lithium battery self-stability coefficient BL, the lithium battery quantity influence coefficient BG and the lithium battery concentration influence coefficient BJ of the lithium batteries in the test site, based on the component layout relationship function BW=b4×BL+b5×BG+b6×BJ, calculate to obtain the component layout influence coefficient BW, where b4, b5, and b6 are proportional factors and are all greater than 0.

[0106] Step B6, determining the number of lithium battery detection components and the number of emergency treatment components in the test site based on the component layout influence coefficient BW, wherein the larger the component layout influence coefficient BW, the larger the number of lithium battery detection components and the larger the number of emergency treatment components.

[0107] Step B7, according to the lithium battery concentration information, the number of lithium battery detection components and the number of emergency treatment components in the test site, the lithium battery detection components and the emergency treatment components are deployed in the test site, wherein the higher the lithium battery concentration in the test site, the denser the deployment of lithium battery detection components and the denser the deployment of emergency treatment components.

[0108] In specific application, the lithium battery quantity influence coefficient BG is obtained according to the number of lithium batteries in the test site, the lithium battery concentration influence coefficient BJ is obtained according to the lithium battery concentration in the test site, and the component layout influence coefficient BW is obtained according to the lithium battery self-stability coefficient BL, the lithium battery quantity influence coefficient BG and the lithium battery concentration influence coefficient BJ of the lithium batteries in the test site. According to the component layout influence coefficient BW, the number of lithium battery detection components and the number of emergency treatment components in the test site are determined, and then the lithium battery detection components and emergency treatment components are arranged in the test site, which provides data support for the subsequent lithium battery fire emergency disposal, thereby improving the efficiency of lithium battery fire emergency disposal.

[0109] Reference Figure 1 Step S4: Detect the lithium battery in the test scene according to the lithium battery detection component to determine whether the lithium battery is in thermal runaway. If the lithium battery is in thermal runaway, output a lithium battery thermal runaway alarm signal, and determine the severity of the lithium battery thermal runaway to obtain a result of the severity of the lithium battery thermal runaway. If there is a risk of lithium battery thermal runaway, output a thermal runaway warning signal. Step S4 specifically includes the following sub-steps:

[0110] Step S41, the lithium battery detection component includes a high-definition camera, a smoke sensor, a thermal imaging camera and a temperature sensor.

[0111] Step S42, photographing the site to be tested based on a high-definition camera to obtain photographed image information, judging whether there is smoke in the site to be tested based on the photographed image information, and if there is smoke, judging the location of the smoke source based on the photographed image information, and outputting a lithium battery thermal runaway alarm signal if the smoke source is a lithium battery, and detecting the smoke concentration in the site to be tested in real time based on a smoke sensor to obtain a smoke concentration value, and obtaining a first lithium battery thermal runaway coefficient based on the smoke concentration value. The greater the smoke concentration value, the greater the thermal runaway coefficient of the first lithium battery.

[0112] Step S43: If the smoke source is not a lithium battery, the distance between the smoke source and the lithium battery closest to it is detected to obtain the target distance. The target distance threshold between the smoke source and the lithium battery in the test site is set based on the smoke concentration value. The larger the smoke concentration value, the smaller the target distance threshold.

[0113] Step S44, compare the target distance with the target distance threshold, if the target distance is greater than the target distance threshold, output a lithium battery thermal runaway warning signal, if the target distance is less than or equal to the target distance threshold, output a lithium battery thermal runaway alarm signal, calculate the difference between the target distance and the target distance threshold to obtain a second target difference, and obtain a second lithium battery thermal runaway coefficient based on the second target difference. The larger the second target difference, the larger the second lithium battery thermal runaway coefficient.

[0114] Step S45, using a thermal imaging camera to perform real-time detection on the lithium batteries in the test site to obtain thermal imaging image information, and judging the temperature distribution of the lithium batteries in the test site according to the thermal imaging image information to obtain a lithium battery temperature distribution result.

[0115] Step S46, using a temperature sensor to detect in real time the temperature of the lithium battery surface in the high temperature area of ​​the lithium battery temperature distribution result to obtain a real-time temperature value of the lithium battery.

[0116] Step S47, compare the lithium battery temperature value with the preset lithium battery temperature threshold, output a lithium battery thermal runaway alarm signal if the lithium battery temperature value is greater than or equal to the preset lithium battery temperature threshold, calculate the difference between the lithium battery temperature value and the preset lithium battery temperature threshold to obtain a third target difference, and obtain a third lithium battery thermal runaway coefficient based on the third target difference. The larger the third target difference, the larger the third lithium battery thermal runaway coefficient.

[0117] Step S48, the first lithium battery thermal runaway coefficient, the second lithium battery thermal runaway coefficient and the third lithium battery thermal runaway coefficient are combined to form a lithium battery thermal runaway severity result.

[0118] Step S49, calculate the temperature rise rate of the lithium battery according to the real-time temperature value of the lithium battery to obtain the temperature rise rate information of the lithium battery, compare the temperature rise rate information of the lithium battery with the preset temperature rise rate threshold of the lithium battery, and output the lithium battery thermal runaway warning signal if the temperature rise rate information of the lithium battery is greater than or equal to the preset temperature rise rate threshold of the lithium battery.

[0119] Reference Figure 1 , step S5, based on the emergency area effect evaluation level, select the best lithium battery emergency area from multiple lithium battery emergency treatment areas, and grab and move the thermal runaway lithium battery to the best lithium battery emergency area for fire extinguishing operation based on the emergency treatment component. Step S5 specifically includes the following sub-steps:

[0120] Step S51, after receiving the lithium battery thermal runaway alarm signal, locate the lithium battery with thermal runaway in the test scene based on the captured image information and the thermal imaging image information to obtain the location information of the thermal runaway lithium battery.

[0121] Step S52, obtaining the emergency processing component position information, based on the thermal runaway lithium battery position information and the emergency processing component position information, selecting the emergency processing component closest to the thermal runaway lithium battery, and marking it as a characteristic emergency processing component.

[0122] Step S53, the characteristic emergency processing component includes a mobile device, a mechanical arm and a fireproof package component, the mechanical arm is welded on the mobile device, and the fireproof package component is arranged at the tail end of the mechanical arm.

[0123] Step S54, judging the level of emergency area effect evaluation required for lithium battery thermal runaway fire in the test site according to the result of the severity of the lithium battery thermal runaway, and obtaining the emergency area effect evaluation target level.

[0124] Step S55, matching the emergency area effect evaluation target level with the emergency area effect evaluation level of each lithium battery emergency treatment area in the site to be tested, and screening multiple lithium battery emergency areas in the site to be tested to obtain multiple qualified lithium battery emergency areas. Among them, when the emergency area effect evaluation level of each lithium battery emergency treatment area in the site to be tested is greater than or equal to the emergency area effect evaluation target level, the lithium battery emergency area is a qualified lithium battery emergency area.

[0125] Step S56, among the multiple qualified lithium battery emergency areas, select the qualified lithium battery emergency area closest to the thermal runaway lithium battery and mark it as the optimal lithium battery emergency area.

[0126] Step S57, moving the mobile device to the side of the thermal runaway lithium battery, wrapping the thermal runaway lithium battery with the fireproof wrapping component, and then performing a grabbing operation with the robotic arm.

[0127] Step S58, after completing the grabbing operation, the thermal runaway lithium battery is moved to the mobile optimal lithium battery emergency area based on the mobile device. After reaching the optimal lithium battery emergency area, the robotic arm is released and the thermal runaway lithium battery is placed in the optimal lithium battery emergency area.

[0128] Step S59, extinguishing the thermal runaway lithium battery using a dry powder fire extinguisher.

[0129] The embodiment of the present application also discloses a lithium battery fire emergency response system.

[0130] Reference Figure 2 , a lithium battery fire emergency disposal system, comprising:

[0131] The emergency area analysis module is configured to mark the scene where the lithium battery is located as the scene to be tested, detect and locate the combustibles in the scene to be tested to obtain multiple combustible position information, and based on the multiple combustible position information, determine the area in the scene to be tested where lithium battery emergencies can be carried out to obtain multiple lithium battery emergency treatment areas.

[0132] The emergency area assessment module is configured to detect and obtain the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluate the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect assessment level.

[0133] The component layout module is configured to reasonably layout the lithium battery detection components and emergency processing components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of the lithium batteries.

[0134] The lithium battery thermal runaway analysis module is configured to detect the lithium battery in the test scene according to the lithium battery detection component, determine whether the lithium battery is in thermal runaway, output a lithium battery thermal runaway alarm signal if the lithium battery is in thermal runaway, and determine the severity of the lithium battery thermal runaway to obtain the lithium battery thermal runaway severity result, and output a thermal runaway warning signal if there is a risk of lithium battery thermal runaway.

[0135] The thermal runaway emergency processing module is configured to select the optimal lithium battery emergency area from multiple lithium battery emergency processing areas based on the emergency area effect evaluation level, and to grab and move the thermal runaway lithium battery to the optimal lithium battery emergency area for fire extinguishing operations based on the emergency processing component.

[0136] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lithium battery fire emergency disposal method, characterized in that: The following steps are involved: The scene where the lithium battery is located is marked as the scene to be tested, the combustibles in the scene to be tested are detected and located to obtain multiple combustible position information, and based on the multiple combustible position information, the area in the scene to be tested where lithium battery emergency can be carried out is determined to obtain multiple lithium battery emergency treatment areas; Detect and obtain the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluate the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect evaluation level; Reasonably arrange the lithium battery detection components and emergency treatment components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of lithium batteries; The lithium battery in the test scene is tested according to the lithium battery detection component to determine whether the lithium battery is in thermal runaway. If the lithium battery is in thermal runaway, a lithium battery thermal runaway alarm signal is output, and the severity of the lithium battery thermal runaway is determined to obtain a result of the severity of the lithium battery thermal runaway. If there is a risk of lithium battery thermal runaway, a thermal runaway warning signal is output; The optimal lithium battery emergency area is selected from multiple lithium battery emergency treatment areas based on the emergency area effect evaluation level, and the thermal runaway lithium battery is grabbed and moved to the optimal lithium battery emergency area for fire extinguishing operations based on the emergency treatment components.

2. A lithium battery fire emergency disposal method according to claim 1, characterized in that: The steps of marking the site where the lithium battery is located as the site to be tested, detecting and locating the combustibles in the site to be tested to obtain multiple combustible position information, and determining the area in the site to be tested where lithium battery emergency can be carried out based on the multiple combustible position information to obtain multiple lithium battery emergency treatment areas specifically include: Detect and locate objects in the site to be tested to obtain site object location information; Based on the site object position information, the material of each object in the site to be tested is detected to obtain the object material information, and according to the object material information, whether each object in the site position information is a combustible object is determined, and if it is a combustible object, the combustible object is located to obtain the combustible object position information; Determine the combustion performance of each combustible according to the object material information and the combustible position information, classify the combustible to obtain a combustible classification result, wherein the combustible classification result includes a flammable object, a combustible object, and a non-flammable object; According to the location information of objects in the site and the location information of combustibles, the lithium battery emergency points in the site to be tested are judged to obtain multiple lithium battery emergency treatment areas.

3. A lithium battery fire emergency disposal method according to claim 2, characterized in that: The steps of detecting and obtaining the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluating the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect evaluation level specifically include: Detect the area of ​​each lithium battery emergency treatment area to obtain emergency area area information, and determine the impact of the area of ​​the lithium battery emergency treatment area on the score of the lithium battery emergency treatment area based on the emergency area area information to obtain the emergency area area impact coefficient AQ; According to the emergency area area information of the lithium battery emergency treatment area, the surrounding impact area of ​​the lithium battery emergency treatment area is determined and marked as a ring-shaped impact area; Determine the number of combustibles in the annular impact area according to the combustible position information to obtain the number of combustibles in the annular area, and determine the impact of the number of combustibles in the annular impact area on the score of the lithium battery emergency treatment area based on the number of combustibles in the annular area to obtain the surrounding combustible number impact coefficient AK; According to the number of combustibles in the annular area and the combustible classification results, the combustion performance coefficient AX of each combustible in the annular area is calculated; According to the number information and position information of the combustibles in the annular area, the volume of each combustible in the annular impact area is determined to obtain the volume information of the combustibles in the annular area, and according to the volume information of the combustibles in the annular area, the volume of the combustibles in the annular image area is judged to affect the score of the lithium battery emergency treatment area to obtain the surrounding combustible volume influence coefficient AT; According to the combustion performance coefficient AX of each combustible in the annular area and the volume influence coefficient AT of the surrounding combustibles of each combustible, the combustion influence coefficient AY' of each combustible in the annular influence area is calculated based on the first relationship function AY'=a1×AX+a2×AT, where a1 and a2 are proportional factors and are both greater than 0; The combustion performance influence coefficient AY of the annular influence area is obtained by calculating the mean value of the combustion influence coefficient AY' of each combustible in the annular influence area; According to the emergency area area influence coefficient AQ, the surrounding combustible number influence coefficient AK and the combustion performance influence coefficient AY of the annular influence area, based on the second relationship function The emergency area scoring coefficient W of the lithium battery emergency treatment area is calculated, where ω1, ω2, and ω3 are proportional factors and are all greater than 0; According to the emergency area scoring coefficient W of each lithium battery emergency treatment area, the site emergency effect of each lithium battery emergency treatment area in the tested site is evaluated to obtain the emergency area effect evaluation grade.

4. A lithium battery fire emergency disposal method according to claim 3, characterized in that: The steps for reasonably arranging the lithium battery detection components and emergency treatment components in the test site according to the stability of the lithium batteries themselves, the number of lithium batteries and the concentration of lithium batteries in the test site include: Detecting the material information of lithium batteries in the test site, wherein the material information of lithium batteries includes positive electrode material information, negative electrode material information and electrolyte composition information; Acquire a positive electrode material thermal stability database, wherein the positive electrode material thermal stability database includes different lithium battery positive electrode materials and corresponding positive electrode material thermal stability capabilities; Matching the positive electrode material information of the lithium battery in the test site with the positive electrode material thermal stability database to obtain the thermal stability capacity of the positive electrode material of the lithium battery in the test site, and obtaining the thermal stability coefficient BZ of the positive electrode material according to the thermal stability capacity of the positive electrode material of the lithium battery in the test site; Acquire a negative electrode material reactivity database, wherein the negative electrode material reactivity database includes different lithium battery negative electrode materials and corresponding negative electrode material reactivity capabilities; Matching the negative electrode material information of the lithium battery in the test site with the negative electrode material reactivity database to obtain the negative electrode material reactivity of the lithium battery in the test site, and obtaining the negative electrode material reactivity coefficient BF according to the negative electrode material reactivity of the lithium battery in the test site; Acquire an electrolyte thermal stability database, wherein the electrolyte thermal stability database includes electrolytes of different component types and corresponding electrolyte thermal stability capabilities; Matching the electrolyte composition information of the lithium battery in the test site with the electrolyte thermal stability database to obtain the electrolyte thermal stability capacity of the lithium battery in the test site, and obtaining the electrolyte thermal stability coefficient BD according to the electrolyte thermal stability capacity of the lithium battery in the test site; According to the thermal stability coefficient BZ of the positive electrode material, the reactivity coefficient BF of the negative electrode material and the thermal stability coefficient BD of the electrolyte, based on the stability relationship function of the lithium battery itself Calculation is performed to obtain the lithium battery self-stability coefficient BL of the lithium battery in the test site, where b1, b2, and b3 are proportional factors and are all greater than 0.

5. A lithium battery fire emergency disposal method according to claim 4, characterized in that: The steps of reasonably arranging the lithium battery detection components and emergency treatment components in the test site according to the stability of the lithium batteries themselves, the number of lithium batteries and the concentration of lithium batteries in the test site also include: Detect the number of lithium batteries in the site to be tested to obtain information on the number of lithium batteries; According to the lithium battery quantity information, determine the influence of the lithium battery quantity on the lithium battery fire and obtain the lithium battery quantity influence coefficient BG; Detecting the concentration of lithium batteries in the test site to obtain lithium battery concentration information; According to the lithium battery concentration information, the influence of the concentration of lithium batteries in the test site on the occurrence of lithium battery fire is determined to obtain the lithium battery concentration influence coefficient BJ; According to the lithium battery self-stability coefficient BL, the lithium battery quantity influence coefficient BG and the lithium battery concentration influence coefficient BJ of the lithium battery in the test site, the component layout influence coefficient BW is calculated based on the component layout relationship function BW=b4×BL+b5×BG+b6×BJ, where b4, b5, and b6 are proportional factors and are all greater than 0; Determine the number of lithium battery detection components and emergency treatment components in the site to be tested based on the component layout influence coefficient BW; According to the lithium battery concentration information, the number of lithium battery detection components and the number of emergency treatment components in the test site, lithium battery detection components and emergency treatment components are deployed in the test site. The higher the lithium battery concentration in the test site, the denser the lithium battery detection components are deployed and the denser the emergency treatment components are deployed.

6. A lithium battery fire emergency disposal method according to claim 5, characterized in that: The steps of testing the lithium battery in the test scene according to the lithium battery testing component, determining whether the lithium battery has thermal runaway, outputting a lithium battery thermal runaway alarm signal if the lithium battery has thermal runaway, determining the severity of the lithium battery thermal runaway to obtain a result of the severity of the lithium battery thermal runaway, and outputting a thermal runaway warning signal if there is a risk of lithium battery thermal runaway, specifically include: The lithium battery detection component includes a high-definition camera, a smoke sensor, a thermal imaging camera and a temperature sensor; The site to be tested is photographed by a high-definition camera to obtain photographed image information, and whether there is smoke in the site to be tested is judged based on the photographed image information. If there is smoke, the location of the smoke source is judged based on the photographed image information. If the smoke source is a lithium battery, a lithium battery thermal runaway alarm signal is output, and the smoke concentration in the site to be tested is detected in real time by a smoke sensor to obtain a smoke concentration value, and a first lithium battery thermal runaway coefficient is obtained based on the smoke concentration value; If the smoke source is not a lithium battery, the distance between the smoke source and the nearest lithium battery is detected to obtain the target distance; the target distance threshold between the smoke source and the lithium battery in the test site is set based on the smoke concentration value; Compare the target distance with the target distance threshold, if the target distance is greater than the target distance threshold, output a lithium battery thermal runaway warning signal, if the target distance is less than or equal to the target distance threshold, output a lithium battery thermal runaway alarm signal, calculate the difference between the target distance and the target distance threshold to obtain a second target difference, and obtain a second lithium battery thermal runaway coefficient based on the second target difference; Based on the thermal imaging camera, the lithium battery in the test site is detected in real time to obtain thermal imaging image information, and the temperature distribution of the lithium battery in the test scene is determined according to the thermal imaging image information to obtain the temperature distribution result of the lithium battery; The temperature of the lithium battery surface in the high temperature area of ​​the lithium battery temperature distribution result is detected in real time by the temperature sensor to obtain the real-time temperature value of the lithium battery; Compare the lithium battery temperature value with a preset lithium battery temperature threshold, output a lithium battery thermal runaway alarm signal if the lithium battery temperature value is greater than or equal to the preset lithium battery temperature threshold, calculate the difference between the lithium battery temperature value and the preset lithium battery temperature threshold to obtain a third target difference, and obtain a third lithium battery thermal runaway coefficient based on the third target difference; The first lithium battery thermal runaway coefficient, the second lithium battery thermal runaway coefficient, and the third lithium battery thermal runaway coefficient are combined to form a lithium battery thermal runaway severity result; The temperature rise rate of the lithium battery is calculated according to the real-time temperature value of the lithium battery to obtain the lithium battery temperature rise rate information, and the lithium battery temperature rise rate information is compared with the preset lithium battery temperature rise rate threshold. If the lithium battery temperature rise rate information is greater than or equal to the preset lithium battery temperature rise rate threshold, a lithium battery thermal runaway warning signal is output.

7. A lithium battery fire emergency disposal method according to claim 6, characterized in that: The steps of selecting the optimal lithium battery emergency area from multiple lithium battery emergency treatment areas based on the emergency area effect evaluation level, grabbing the thermal runaway lithium battery based on the emergency treatment component and moving it to the optimal lithium battery emergency area for fire extinguishing operation specifically include: After receiving the lithium battery thermal runaway alarm signal, the lithium battery with thermal runaway in the test scene is located based on the captured image information and the thermal imaging image information to obtain the location information of the thermal runaway lithium battery; Obtaining the location information of the emergency processing component, based on the location information of the thermal runaway lithium battery and the location information of the emergency processing component, selecting the emergency processing component closest to the thermal runaway lithium battery, and marking it as a characteristic emergency processing component; The characteristic emergency treatment component includes a mobile device, a mechanical arm and a fireproof package component, the mechanical arm is welded on the mobile device, and the fireproof package component is arranged at the tail end of the mechanical arm; According to the results of the severity of the thermal runaway of the lithium battery, the level of the effect assessment of the emergency area required for the thermal runaway fire of the lithium battery in the test site is determined to obtain the target level of the emergency area effect assessment; Match the emergency area effect assessment target level with the emergency area effect assessment level of each lithium battery emergency treatment area in the site to be tested, and screen multiple lithium battery emergency areas in the site to be tested to obtain multiple qualified lithium battery emergency areas; Among multiple qualified lithium battery emergency areas, select the qualified lithium battery emergency area closest to the thermal runaway lithium battery and mark it as the optimal lithium battery emergency area; The mobile device moves to the side of the thermal runaway lithium battery, wraps the thermal runaway lithium battery with the fireproof wrapping component, and then performs a grabbing operation with the robotic arm; After the grabbing operation is completed, the thermal runaway lithium battery is moved to the optimal lithium battery emergency area based on the mobile device. After reaching the optimal lithium battery emergency area, the robotic arm is released and the thermal runaway lithium battery is placed in the optimal lithium battery emergency area. Fire extinguishing operation of thermal runaway lithium battery based on dry powder fire extinguisher.

8. A lithium battery fire emergency disposal system, characterized in that: The lithium battery fire emergency handling system is used to implement the lithium battery fire emergency handling method described in any one of claims 1 to 7, comprising: The emergency area analysis module is configured to mark the scene where the lithium battery is located as a scene to be tested, detect and locate the combustibles in the scene to be tested to obtain multiple combustible position information, and determine the area in the scene to be tested where lithium battery emergency can be carried out based on the multiple combustible position information to obtain multiple lithium battery emergency treatment areas; The emergency area assessment module is configured to detect and obtain the emergency area scoring coefficient W of each lithium battery emergency treatment area based on the area of ​​the lithium battery emergency treatment area, the number of combustibles around the lithium battery emergency treatment area, the combustion performance of each combustible, and the volume of the combustibles, and then evaluate the site emergency effect of each lithium battery emergency treatment area to obtain the emergency area effect assessment level; A component layout module is configured to reasonably layout the lithium battery detection components and emergency processing components in the scene to be tested according to the number of lithium batteries in the scene to be tested, the stability of the lithium batteries themselves, and the concentration of the lithium batteries; The lithium battery thermal runaway analysis module is configured to detect the lithium battery in the test scene according to the lithium battery detection component, determine whether the lithium battery is in thermal runaway, output a lithium battery thermal runaway alarm signal if the lithium battery is in thermal runaway, and determine the severity of the lithium battery thermal runaway to obtain a result of the severity of the lithium battery thermal runaway, and output a thermal runaway warning signal if there is a risk of lithium battery thermal runaway; The thermal runaway emergency processing module is configured to select the optimal lithium battery emergency area from multiple lithium battery emergency processing areas based on the emergency area effect evaluation level, and to grab and move the thermal runaway lithium battery to the optimal lithium battery emergency area for fire extinguishing operations based on the emergency processing component.

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