Integrated battery gas production explosion experiment device

Abstract

The utility model relates to the technical field of battery fire extinguishing, and provides an integrated battery gas production explosion experiment device which comprises a gas analysis assembly, a thermal runaway triggering assembly and an explosion overpressure testing assembly. Various thermal runaway states corresponding to the thermal runaway triggering assembly can be started independently or in a combined mode according to experiment requirements so as to simulate thermal runaway of the battery in different scenes. After the thermal runaway is triggered, the gas analysis assembly can collect a gas sample released by the battery and convey the gas sample to an analysis instrument for detection, and through comparative analysis, data such as the proportion and the change trend of gas components can be obtained, so that an important basis is provided for battery safety performance evaluation. In addition, a gas sample released by the battery can enter the explosion overpressure testing assembly so as to ignite the gas and carry out an explosion experiment, and meanwhile, different types of fire extinguishing agents can be sprayed at specific time points so as to evaluate the suppression effect of the fire extinguishing agents on explosion overpressure.

Description

Technical Field

[0001] The utility model relates to the technical field of battery fire extinguishing, in particular to an integrated battery gas generation explosion experimental device. Background Art

[0002] Lithium-ion batteries, with their high energy density, long cycle life, and low self-discharge, are currently the primary power source for electric vehicles. However, with the increasing adoption of electric vehicles, a number of safety incidents involving power battery fires have occurred worldwide. Furthermore, market demands for longer driving ranges in electric vehicles are placing higher demands on the performance of their power batteries, particularly for higher energy density. This has led to increasing safety risks for existing liquid electrolyte power batteries.

[0003] For electric vehicles, safety incidents in power battery systems typically manifest as smoke, fire, and explosions. Explosions, in particular, can cause significant damage to the surrounding environment and serious personal injury. Traditional battery gas explosion tests, when evaluating battery thermal management and safety performance, are complex and inefficient, increasing both time and labor costs. Utility Model Content

[0004] The utility model provides an integrated battery gas generation explosion test device, which is used to solve the problem of low efficiency of traditional battery gas generation explosion tests in the prior art.

[0005] The utility model provides an integrated battery gas explosion experimental device, comprising: a gas analysis component, a thermal runaway trigger component and an explosion overpressure test component;

[0006] The thermal runaway trigger assembly is configured to generate a variety of thermal runaway modes, and the thermal runaway trigger assembly is selectively connected to the gas analysis assembly and the explosion overpressure test assembly; wherein, the gas analysis assembly is configured to analyze the composition and content of the gas generated after thermal runaway, and the explosion overpressure test assembly is configured to analyze the explosion characteristics of the gas generated after thermal runaway and the fire extinguishing performance of different fire extinguishing agents.

[0007] According to an integrated battery gas explosion experimental device provided by the utility model, the thermal runaway trigger component includes a tank body, a heating module, a puncture module, an overcharge module and a first vacuum pump. The tank body is provided with a storage space for placing the battery, the first vacuum pump is connected to the storage space, the heating module is configured to heat the battery, the puncture module is configured to penetrate the battery, and the overcharge module is configured to charge the battery.

[0008] According to the integrated battery gas explosion experimental device provided by the present invention, the thermal runaway trigger assembly further includes a first pressure pump, which is connected to the accommodating space; and / or,

[0009] A pressure gauge is connected to the tank body and is used to obtain the pressure value in the accommodating space.

[0010] According to an integrated battery gas explosion experimental device provided by the present invention, the gas analysis component includes a gas collection bag and a first valve. The gas collection bag is connected to the thermal runaway trigger component through a first pipeline, and the first valve is arranged on the first pipeline.

[0011] According to the integrated battery gas explosion experimental device provided by the present invention, the gas analysis component further includes a gas cylinder for storing argon gas, and the gas cylinder is connected to the first pipeline.

[0012] According to the integrated battery gas explosion experimental device provided by the utility model, the gas analysis component also includes a gas chromatography-mass spectrometry instrument, and the gas chromatography-mass spectrometry instrument is connected to the gas collection bag.

[0013] According to an integrated battery gas explosion experimental device provided by the utility model, the explosion overpressure test assembly includes an explosion ball, a fire extinguishing mechanism, a second valve and a second vacuum pump. The explosion ball is connected to the thermal runaway trigger assembly through a second pipeline. The second valve is arranged on the second pipeline. The second vacuum pump is connected to the explosion ball. The fire extinguishing mechanism is arranged on the explosion ball and is configured to provide at least one fire extinguishing agent.

[0014] According to the integrated battery gas explosion experimental device provided by the utility model, the explosion overpressure test assembly further includes a second pressure pump, and the second pressure pump is connected to the explosion ball.

[0015] According to the integrated battery gas explosion test device provided by the utility model, the explosion overpressure test assembly further includes a pressure sensor, and the pressure sensor is connected to the explosion ball; and / or,

[0016] A vacuum gauge is connected to the explosion ball.

[0017] According to the integrated battery gas explosion experimental device provided by the utility model, the explosion overpressure test assembly further includes an exhaust tank, which is connected to the explosion ball.

[0018] The utility model provides an integrated battery gas explosion experimental device. The various thermal runaway states corresponding to the thermal runaway trigger component can be activated individually or in combination according to the experimental requirements to simulate battery thermal runaway in different scenarios. After the thermal runaway is triggered, the gas analysis component can collect gas samples released by the battery and transport them to the analysis instrument for detection. Through comparative analysis, data such as the proportion of gas components and change trends can be obtained, providing an important basis for the evaluation of battery safety performance. The gas samples released by the battery can also enter the explosion overpressure test component to conduct explosion experiments on gas ignition. At the same time, different types of fire extinguishing agents can be sprayed at specific time points to evaluate their suppression effect on explosion overpressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a structural schematic diagram of an integrated battery gas generation explosion experimental device provided by the utility model.

[0021] Reference numerals:

[0022] 1. Air collection bag; 2. First vacuum pump; 3. Gas cylinder; 4. First pressure pump; 5. Pressure gauge; 6. Heating module; 7. Puncture module; 8. Overcharge module; 9. Tank body; 10. Electric detonator; 11. Pressure sensor; 12. Vacuum gauge; 13. Exhaust tank; 14. Second pressure pump; 15. Second vacuum pump. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1 As shown, the integrated battery gas explosion test device of the present invention is designed to comprehensively evaluate the gas generation, composition analysis, explosion characteristics, and fire extinguishing effectiveness of different fire extinguishing agents in lithium-ion batteries under various thermal runaway conditions. The integrated battery gas explosion test device includes a gas analysis component, a thermal runaway trigger component, and an explosion overpressure test component.

[0025] The thermal runaway trigger component is configured to produce multiple thermal runaway modes, and the thermal runaway trigger component is selectively connected to the gas analysis component and the explosion overpressure test component; wherein, the gas analysis component is configured to analyze the composition and content of the gas generated after thermal runaway, and the explosion overpressure test component is configured to analyze the explosion characteristics of the gas generated after thermal runaway and the fire extinguishing performance of different fire extinguishing agents.

[0026] Among them, the various thermal runaway states corresponding to the thermal runaway trigger components can be activated individually or in combination according to experimental requirements to simulate battery thermal runaway in different scenarios. After the thermal runaway is triggered, the gas analysis component can collect gas samples released by the battery and transmit them to the analysis instrument for detection. Through comparative analysis, data such as the proportion of gas components and change trends can be obtained, providing an important basis for the evaluation of battery safety performance. The gas samples released by the battery can also enter the explosion overpressure test component to conduct explosion experiments on gas ignition. At the same time, different types of fire extinguishing agents can be sprayed at specific time points to evaluate their suppression effect on explosion overpressure.

[0027] In an optional embodiment, if Figure 1 As shown, the thermal runaway trigger assembly includes a tank body 9, a first vacuum pump 2, a heating module 6, a puncture module 7 and an overcharge module 8. The tank body 9 is provided with a storage space for placing the battery, the first vacuum pump 2 is connected to the storage space, the heating module 6 is configured to heat the battery, the puncture module 7 is configured to penetrate the battery, and the overcharge module 8 is configured to charge the battery.

[0028] Among them, the tank body 9 is made of high-strength, corrosion-resistant materials and has sufficient pressure and temperature resistance to ensure that it will not be damaged by the pressure or high temperature generated by thermal runaway of the battery during the experiment. A storage space for placing batteries is provided inside the tank body 9. The first vacuum pump 2 is connected to the storage space of the tank body 9 through a pipeline and is used to vacuum the inside of the tank body 9 before the experiment begins. The air and impurities in the tank body 9 are removed to ensure the accuracy of the experimental results. At the same time, vacuuming can also accelerate the release of gas from the battery during thermal runaway, facilitating subsequent gas analysis.

[0029] The heating module 6 also includes heating elements and a temperature control system. The heating elements (heating wires, heating plates, or other heat sources) are distributed around the tank 9, embedded directly into the inner wall of the tank 9, or in direct contact with the battery cells to achieve uniform heating. The temperature control system precisely controls the heating temperature and duration to simulate thermal runaway events caused by external high temperatures or internal short circuits. By adjusting the heating temperature and duration, different degrees of thermal runaway can be simulated.

[0030] The puncture module 7 consists of one or more precision-machined steel needles and a drive mechanism (linear motor, linear cylinder, etc.). The needles are mounted on the drive mechanism and can be programmed to achieve precise puncture action. This simulates internal short circuits and thermal runaway caused by external sharp objects puncturing the battery. The needles can penetrate the battery casing and internal diaphragm, directly inducing a short-circuit reaction.

[0031] The overcharge module 8 includes a power supply, a current controller, and a charging interface. The power supply provides electrical energy, the current controller regulates the charging current and duration, and the charging interface connects to the battery. This module simulates thermal runaway caused by overcharging. By controlling the charging current and duration, various degrees of overcharging can be simulated, allowing researchers to study the safety performance of the battery under these conditions.

[0032] In practice, start the first vacuum pump 2 to evacuate the interior of tank 9 (-0.02 MPa) to remove air and impurities. Place the battery to be tested in the containment space of tank 9 and connect the heating module 6, puncture module 7, and overcharge module 8. Select a thermal runaway trigger method based on experimental requirements, such as heating, puncture, or overcharge, and set the corresponding parameters (such as heating temperature, puncture depth, and charging current). Activate the selected trigger method to begin simulating the battery's thermal runaway process. After thermal runaway is triggered, activate the gas analysis component and the explosion overpressure test component for data acquisition and analysis.

[0033] In an optional embodiment, if Figure 1 As shown, the thermal runaway triggering assembly further includes a first pressure pump 4 , which is connected to the accommodating space.

[0034] The first pressure pump 4 is connected to the storage space of the tank 9 via a pipe and can inject or extract gas into or out of the storage space. For example, after the experiment is completed, the first pressure pump 4 can inject gas into the storage space to allow the exhaust gas in the storage space to be discharged from the storage space, facilitating the next experiment.

[0035] In addition, pressure gauge 5 is directly mounted on tank 9 and connected to the storage space via a pipe, which is used to obtain the pressure value within the storage space in real time. During the experiment, pressure gauge 5 can continuously monitor and display the pressure changes within the storage space, providing researchers with important experimental data. By observing the reading of pressure gauge 5, the progress of battery thermal runaway can be judged. For example, when the pressure in tank 9 changes, it indicates that the battery has experienced thermal runaway and generated electrolytic hot steam.

[0036] In an optional embodiment, the gas analysis component includes a gas collection bag 1 and a first valve. The gas collection bag 1 is connected to the thermal runaway trigger component through a first pipeline, and the first valve is provided on the first pipeline.

[0037] The gas collection bag 1 is a device that safely stores and collects gas. It is typically made of a chemically stable and airtight material to prevent leakage or chemical reactions during the collection process. It receives the gas sample transmitted through a pipeline from the thermal runaway trigger assembly.

[0038] In addition, gas bag 1 is connected to the storage space of tank 9 via a first pipeline, ensuring that gases generated during thermal runaway can flow smoothly into bag 1. A first valve is installed on the first pipeline, located between bag 1 and tank 9, to control the flow of gas. The primary function of the first valve is to open or close the pipeline as needed to control the flow of gas.

[0039] At the start of the experiment, the first valve is closed to prevent the gas in the containment chamber from escaping before thermal runaway is triggered. Once thermal runaway occurs and the gas collection reaches the preset conditions, the first valve is quickly opened to allow the gas to enter gas collection bag 1. After the experiment is completed, the first valve is closed again to ensure that the gas sample in gas collection bag 1 is not contaminated by the outside world.

[0040] In an optional embodiment, the gas analysis component further includes a gas chromatography-mass spectrometry instrument, which is connected to the gas collection bag 1 .

[0041] To more accurately and comprehensively analyze the gas composition generated during battery thermal runaway, a gas chromatography-mass spectrometry (GC-MS) instrument was introduced into the gas analysis component. GC-MS combines the efficient separation capabilities of a gas chromatograph with the high sensitivity and specificity of a mass spectrometer, enabling in-depth analysis of complex gas mixtures.

[0042] The gas chromatography section is responsible for efficiently separating the components in a gas sample. By leveraging the differences in the distribution coefficients of different gases within the chromatographic column, the mobile phase (carrier gas) propels the components through the column, separating and eluting them sequentially. The mass spectrometry section ionizes the components emanating from the column and, using electric and magnetic fields, separates and detects the ions based on their mass-to-charge ratio (m / z). Analysis of the mass spectrum allows the identification and relative abundance of the components to be determined.

[0043] The gas chromatography-mass spectrometry instrument is connected to the gas collection bag 1 through a dedicated interface. During the experiment, when the gas collection bag 1 has collected enough gas samples, it can be connected to the GC-MS sampling system. By controlling the working parameters of the GC-MS (such as column temperature, carrier gas flow rate, ion source temperature, etc.), the separation, ionization and detection of gas samples can be achieved. For example, the data output by the GC-MS is imported into professional data analysis software for processing. By comparing with standards or reference spectra, the types and relative contents of each component in the gas sample are determined. Based on the analysis results, the gas generation pattern and safety performance during the battery thermal runaway process are evaluated.

[0044] The introduction of GC-MS enables researchers to more accurately and comprehensively understand the composition and evolution of gases produced during battery thermal runaway, providing strong technical support for evaluating battery safety performance. This expansion also provides a more reliable data foundation and experimental methods for subsequent battery research and development.

[0045] In an optional embodiment, if Figure 1 As shown, the gas analysis component further includes a gas cylinder 3 for storing argon gas, and the gas cylinder 3 is connected to the first pipeline.

[0046] Argon is an inert gas with stable chemical properties and is not prone to react with other substances. The gas cylinder 3 is used to store high-purity argon so that argon can be injected into the first pipeline when needed to form an inert gas environment.

[0047] In actual application, the gas cylinder 3 is connected to the first pipeline through a dedicated pipe and valve. When needed, the valve can be opened to allow argon gas to flow out of the gas cylinder 3 and into the gas collection bag 1 through the first pipeline, and then into the GC-MS through the gas collection bag 1.

[0048] In an optional embodiment, if Figure 1 As shown, the explosion overpressure test assembly includes an explosion ball, a fire extinguishing mechanism, a second valve and a second vacuum pump 15. The explosion ball is connected to the thermal runaway trigger assembly through a second pipeline. The second valve is arranged on the second pipeline. The second vacuum pump 15 is connected to the explosion ball. The fire extinguishing mechanism is arranged on the explosion ball and is configured to provide at least one fire extinguishing agent.

[0049] The explosive ball is a sealed container capable of withstanding high pressure and temperature, simulating the enclosed environment of a battery during thermal runaway. When a battery generates a large amount of gas during thermal runaway and reaches explosive conditions, an electric detonator 10 inside the explosive ball ignites the gas.

[0050] In addition, the explosion ball is connected to the accommodating space of the tank body 9 through a second pipeline, ensuring that the gas and explosion overpressure generated by the battery during thermal runaway can enter the explosion ball.

[0051] Furthermore, a fire extinguishing mechanism is located inside or outside the blasting ball (but ensuring rapid action within the blasting ball) and is configured to deliver at least one fire extinguishing agent (such as water, inert gas, or dry powder). The choice of extinguishing agent should be determined based on experimental requirements and battery type to ensure timely and effective suppression of the fire in the event of an explosion. Upon detecting an explosion, the fire extinguishing mechanism is capable of rapidly activating and releasing the extinguishing agent to reduce the temperature and pressure of the blasting ball. It is important to note that two sets of fire extinguishing mechanisms can be provided, allowing for simultaneous discharge of two different agents.

[0052] In this way, the fire extinguishing mechanism is integrated into the explosion ball, including the water pump, sprinkler head, and pipelines. It is used to control and respond to explosion incidents. Different types and amounts of fire extinguishing agents can be injected as needed to evaluate their effectiveness in responding to battery explosion incidents.

[0053] Furthermore, a second valve is installed on the second pipeline, between the explosive ball and tank 9. This valve controls the flow of gas through the second pipeline. Before the experiment begins, the valve is closed to prevent gas leakage. During the experiment, the valve is opened as needed to allow gas to enter the explosive ball. After the experiment, or in an emergency, the valve is closed to isolate the explosive ball.

[0054] A second vacuum pump 15 is connected to the blasting ball and is used to evacuate the blasting ball before the experiment begins. This vacuuming removes air and other impurities from the blasting ball, providing a purer initial environment for the experiment. Furthermore, after the experiment, the vacuum pump can be used to extract any residual gas from the blasting ball to facilitate subsequent processing and analysis.

[0055] It should be noted that the changes in gas pressure and temperature inside the explosion ball are recorded and analyzed to evaluate the explosion overpressure performance of the battery; at the same time, the response speed and fire extinguishing effect of the fire extinguishing mechanism are observed to evaluate its safety and reliability.

[0056] In an optional embodiment, the explosion overpressure test assembly further includes a second pressure pump 14 , which is connected to the explosion ball.

[0057] The second pressure pump 14 is connected to the interior of the blasting ball via a pipe and can inject or extract gas into or out of the blasting ball. For example, after the entire experiment is completed, the second pressure pump 14 can inject gas into the blasting ball to allow the exhaust gas in the blasting ball to be discharged from the blasting ball, facilitating the next experiment.

[0058] In addition, a pressure sensor 11 is connected to the blasting ball to monitor pressure changes inside the blasting ball in real time. This sensor can accurately measure and record the pressure changes inside the blasting ball over time, providing important data support for analyzing gas generation and explosive overpressure characteristics during battery thermal runaway. Furthermore, the pressure sensor 11 also serves as a safety monitoring device, issuing timely alarms when pressure abnormalities occur. Furthermore, a temperature sensor is connected to the blasting ball to monitor temperature changes inside the blasting ball in real time. This allows the temporal sequence of the explosion process to be determined based on pressure and temperature changes.

[0059] Furthermore, a vacuum gauge 12 is connected to the blasting ball and is used to measure the vacuum level within the blasting ball before and after the experiment. This ensures that the blasting ball reaches the required vacuum level before the experiment, eliminating the effects of air and other impurities on the experimental results. Furthermore, measuring the vacuum level after the experiment also allows for the evaluation of the blasting ball's airtightness and sealing performance.

[0060] In an optional embodiment, if Figure 1 As shown, the explosion overpressure test assembly further includes an exhaust tank 13, which is connected to the explosion ball.

[0061] The exhaust tank 13 is a container capable of withstanding certain pressures and temperatures. It is equipped with a safety valve or pressure relief device to automatically release gas if the set pressure is exceeded. The exhaust tank 13 is connected to the explosive ball via a dedicated connecting pipe. This connecting pipe should be equipped with a valve to control the flow of gas when necessary. The exhaust tank 13 also serves as a gas collection device, collecting samples of the remaining gas in the explosive ball after the experiment for subsequent gas composition analysis and research.

[0062] It is particularly important to point out that when the pressure inside the explosive ball rises to a set threshold due to the gas generated by thermal runaway of the battery, the exhaust tank 13 can automatically or manually open the valve to release excess gas into the exhaust tank 13, thereby preventing the explosive ball from bursting due to excessive pressure or other dangerous situations.

[0063] The following describes the specific experimental process of the integrated battery gas explosion experimental device:

[0064] Use two vacuum pumps to evacuate the tank 9 and the 20L explosion ball to -0.02Mpa respectively.

[0065] The battery is placed in the tank 9, and different thermal runaway behaviors are triggered by the heating module 6, the puncture module 7 and the overcharging module 8.

[0066] When the pressure in the tank 9 changes, it indicates that the battery has thermal runaway and electrolytic hot steam has been generated.

[0067] If the experimental design allows, the first and second valves can be opened simultaneously, allowing the generated gas to flow into the gas collection bag 1 and the explosive ball simultaneously. This method allows for faster data collection and simultaneous gas composition analysis and explosion characteristics testing. In this case, it is important to ensure that the system's flow and pressure control can support simultaneous inflow to avoid affecting the experimental results.

[0068] If the experiment requires separate measurements of gas composition and explosion characteristics, or to control the stability of gas flow, you can choose to open one valve first (for example, inject gas into gas collection bag 1) and then open the other valve (inject the explosive ball) after gas analysis is complete. This method ensures accuracy in each test step, but may extend the experiment time.

[0069] When the gas pressure inside the 20L explosion ball reaches the preset value, the second valve is closed, the gas is pre-mixed, and then ignited and detonated, with the explosion overpressure data recorded. This allows verification of the effects of different fire extinguishing agents on the explosion pressure caused by battery thermal runaway gases.

[0070] The integrated battery gas explosion experimental device of the embodiment of the present utility model can not only effectively simulate the behavior of batteries under extreme conditions, but also provide important data support for battery safety research. It can solve the simulation needs of various battery thermal runaway situations and evaluate the effects of different fire extinguishing agents on lithium battery thermal runaway. Specifically, this device can not only comprehensively simulate the thermal runaway reaction of batteries under conditions such as heating, acupuncture, and overcharging, but also directly inject the simulated thermal runaway gas into the explosion ball. By monitoring the gas pressure, temperature, and time series of the explosion process, the effects of different fire extinguishing agents can be accurately evaluated.

[0071] In other words, by comprehensively simulating different thermal runaway situations, the safety and stability of the battery system can be fully evaluated, providing an important basis for design and management. By directly delivering the simulated gas to the explosion ball, not only time and cost are saved, but also the safety and efficiency of the operation are improved. By integrating the gas analysis component, thermal runaway trigger component, and explosion overpressure test component into an integrated device, the experimental operation process is simplified, compatibility issues between devices are reduced, and a more reliable and integrated platform is provided for scientific research and engineering experiments. This allows operators to monitor and adjust the experimental process more conveniently, thereby more accurately assessing the potential impact and risks of thermal runaway events, helping to develop more effective battery fire extinguishing agents and promote the advancement and application of battery technology.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An integrated battery gas explosion test device, characterized in that: include: Gas analysis components, thermal runaway trigger components, and explosion overpressure test components; The thermal runaway trigger assembly is configured to generate a variety of thermal runaway modes, and the thermal runaway trigger assembly is selectively connected to the gas analysis assembly and the explosion overpressure test assembly; wherein, the gas analysis assembly is configured to analyze the composition and content of the gas generated after thermal runaway, and the explosion overpressure test assembly is configured to analyze the explosion characteristics of the gas generated after thermal runaway and the fire extinguishing performance of different fire extinguishing agents.

2. The integrated battery gas explosion test device according to claim 1, characterized in that: The thermal runaway trigger assembly includes a tank body, a heating module, a puncture module, an overcharge module and a first vacuum pump. The tank body is provided with a storage space for placing a battery. The first vacuum pump is connected to the storage space. The heating module is configured to heat the battery. The puncture module is configured to penetrate the battery. The overcharge module is configured to charge the battery.

3. The integrated battery gas explosion test device according to claim 2, characterized in that: The thermal runaway triggering assembly further includes a first pressure pump, wherein the first pressure pump is connected to the accommodating space; and / or, A pressure gauge is connected to the tank body and is used to obtain the pressure value in the accommodating space.

4. The integrated battery gas explosion test device according to claim 1, characterized in that: The gas analysis component includes a gas collection bag and a first valve. The gas collection bag is connected to the thermal runaway trigger component through a first pipeline, and the first valve is arranged on the first pipeline.

5. The integrated battery gas explosion test device according to claim 4, characterized in that: The gas analysis component further includes a gas cylinder for storing argon gas, and the gas cylinder is connected to the first pipeline.

6. The integrated battery gas explosion test device according to claim 4, characterized in that: The gas analysis component further includes a gas chromatography-mass spectrometry instrument, which is connected to the gas collection bag.

7. The integrated battery gas explosion test device according to claim 1, characterized in that: The explosion overpressure test assembly includes an explosion ball, a fire extinguishing mechanism, a second valve and a second vacuum pump. The explosion ball is connected to the thermal runaway trigger assembly through a second pipeline. The second valve is arranged on the second pipeline. The second vacuum pump is connected to the explosion ball. The fire extinguishing mechanism is arranged on the explosion ball and is configured to provide at least one fire extinguishing agent.

8. The integrated battery gas explosion test device according to claim 7, characterized in that: The explosion overpressure test assembly further includes a second pressure pump connected to the explosion ball.

9. The integrated battery gas explosion test device according to claim 7, characterized in that: The explosion overpressure test assembly further includes a pressure sensor, wherein the pressure sensor is connected to the explosion ball; and / or, A vacuum gauge is connected to the explosion ball.

10. The integrated battery gas explosion test device according to claim 7, characterized in that: The explosion overpressure test assembly further includes an exhaust tank connected to the explosion ball.

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