102results about How to "Realize acquisition" patented technology

The application discloses a kiwi storage day prediction system based on a sensing glove, which comprises a portable sensing glove, realizes measurement of kiwi volume, weight, hardness and environmental temperature and humidity information, and further trains a data set collected by the sensing glove through a CNN network, constructs a kiwi storage day prediction model, and realizes prediction of the kiwi storage day. The application combines the portable sensing glove and the kiwi storage day prediction model to form the kiwi storage day prediction system, designs a man-machine interaction interface and an operating system, realizes visualization of system information through the man-machine interaction interface, guarantees more convenient man-machine interaction, realizes the kiwi storage day prediction process based on the kiwi storage day prediction model, realizes prediction of the kiwi storage day, guarantees customer satisfaction and reduces kiwi waste of a merchant.

This utility model discloses a universal communication module for electricity meters, relating to the field of communications. The universal communication module for electricity meters provided by this solution automatically collects the electricity data of the meter through an MCU, which greatly improves the efficiency of data collection compared to manual data collection. Furthermore, considering that the power supply system monitoring requires real-time acquisition of electricity data from all meters, this solution incorporates a wireless communication module and an antenna in the universal communication module. Because the wireless communication module has a long transmission distance, covering a range of several kilometers or even tens of kilometers, it can solve the long-distance communication needs that traditional communication technologies cannot meet. Therefore, after the MCU collects the electricity data from the meter, it sends it to the wireless communication module, converts it into a corresponding radio frequency signal, and accurately uploads it to the communication network through the antenna. This communication network enables the collection of electricity data over a long range, thus meeting the long-distance communication requirements of the electricity meter.

This invention relates to a visual inspection device for elevator pit buffers, belonging to the technical field of buffer visual inspection devices. It includes: multiple robotic arms, multiple joint drive mechanisms, and multiple camera mechanisms. The robotic arms are sequentially rotatably connected, with the arm closer to the first end being the first robotic arm and the arm closer to the last end being the last robotic arm. Multiple joint drive mechanisms are respectively arranged between adjacent robotic arms, with their fixed parts fixed to the first robotic arms and their rotating parts fixed to the corresponding last robotic arms. Multiple camera mechanisms are circumferentially spaced and fixed to the last robotic arm. This invention designs the last robotic arm as a ring-shaped mechanism, giving it the dual functions of a robotic arm end effector and a multi-camera mounting support structure. It can be fitted over the buffer from above, achieving a wraparound multi-view image acquisition, effectively solving the problem of difficulty in observing the buffer in narrow pit spaces.

The utility model discloses a kind of high-precision weighing evapotranspiration instruments of embedded installation based on lever balance, belong to evapotranspiration instrument technical field. Including fixed support, tray assembly is movably connected on fixed support, and evapotranspiration instrument experimental soil box is set on tray assembly, and weighing assembly is set below tray assembly;Force transmission pull rod is arranged between tray assembly and weighing assembly;Weighing assembly includes force measuring device, and force measuring device side rotatably connects with lever two, and lever two middle part is rotatably installed at the bottom of fixed support by support;Force transmission pull rod upper end is respectively connected with two lever one hinged connection, and force transmission pull rod lower end is movably connected with lever two. The utility model is through the cooperation of lever two and counterweight, substantially offset the initial weight of evapotranspiration instrument experimental soil box, so that force measuring device only needs to monitor the tiny weight change caused by soil evaporation, crop transpiration and rainfall / irrigation, avoid large load to influence sensor sensitivity, realize high-precision data acquisition.

The application discloses a cyanide-containing slag tailing pond groundwater environment risk early warning system, a groundwater monitoring well subsystem comprises a plurality of groundwater monitoring wells; a timing sampling control subsystem is used for controlling the pumping time, flow and frequency of a water pump in each groundwater monitoring well; a color reaction subsystem comprises a color developing device and is used for monitoring the color developing reaction of the groundwater sample; a color sensing subsystem comprises a light source and a color sensor, the light source is irradiated towards the color developing device, and the color sensor is used for collecting the emergent light signal of the color developing device after the color developing reaction; a central control platform comprises an early warning subsystem and an emergency disposal response subsystem, the early warning subsystem receives the color sensor signal and divides the risk grade according to the obtained signal; the emergency disposal response subsystem executes corresponding detection and repair responses according to the risk grade made by the early warning subsystem; the application realizes the rapid detection of the cyanide content in the groundwater around the cyanide-containing slag tailing pond and the feedback and early warning of the environmental pollution risk grade.

The application provides a downhole supercritical carbon dioxide fracturing coal rock device and a construction method, which comprises a coal seam, a fracturing borehole, a hole blocking section, a hole sealing section, a fracturing section, a monitoring hole, a fracturing system, a temperature control system, a grouting system, a liquid carbon dioxide pressurizing system, a proppant mixing system, an extraction system and a data collector; the fracturing borehole is arranged on the coal seam and comprises the hole blocking section, the hole sealing section and the fracturing section; a plurality of monitoring holes are arranged on the coal seam and are spaced apart in the circumferential direction of the fracturing borehole; and the fracturing system is connected with the temperature control system. The proppant mixing system can improve the performance of the liquid carbon dioxide carrying proppant mixture, so that the proppant mixture effectively enters the fracturing fracture and maintains good flow conductivity. The temperature control system overcomes the difficulty in preparation of downhole supercritical carbon dioxide and can realize injection of carbon dioxide in a supercritical state into the fracturing coal seam.

The application relates to a probe for detecting a buried pipeline voltage gradient, which comprises a probe main body, a probe head assembly, a locking positioning part, an aviation plug and a switch button; the probe main body comprises an outer pipe and an inner pipe, a part of the lower end of the inner pipe is an installation section, the installation section is located outside the outer pipe, and the probe head assembly is installed on the installation section; the upper end of the inner pipe is located inside the outer pipe, and the upper end of the inner pipe is tightly fixed with the inner side wall of the outer pipe through the locking positioning part; a part of the upper end of the outer pipe is an assembly section, the assembly section and the upper end of the inner pipe are arranged in the respective axial directions and are spaced apart, a sleeve is arranged on the assembly section, and the free end of the sleeve is provided with the switch button; the aviation plug is arranged on a section between the assembly section and the inner pipe of the outer pipe; the probe head assembly is electrically connected with the aviation plug through cables, and the aviation plug is electrically connected with the switch button. The application realizes the collection of alternating voltage gradient and direct current voltage gradient at the same time in the detection outside the buried pipeline, reduces the labor intensity, improves the detection efficiency, and obtains more current pipeline information.

The invention discloses a comprehensive maintenance method and system for construction of a composite wall of a comprehensive hub station through a cover-excavation top-down method, and relates to the technical field of rail traffic engineering construction. The technical problems of low maintenance efficiency, unbalanced temperature and humidity control, easiness in cracking and leakage and the like of the laminated wall under the working condition of top-down excavation are solved; the comprehensive system comprises mold curing, intelligent temperature and humidity control, cooling temperature control, heat preservation and moisture preservation and monitoring early warning, automation, refinement and traceability of the curing process are achieved, the moisture preservation and heat preservation period of the laminated wall is prolonged, the internal and external temperature difference is strictly controlled to be smaller than or equal to 25 DEG C, the concrete surface moisture content is controlled to be larger than or equal to 80%, and the impervious concrete curing period is controlled to be larger than or equal to 14 d. According to the construction method, the integrity and the anti-cracking and anti-seepage performance of the wall body are remarkably improved, the construction requirements of the large cover-excavation top-down composite wall are met, the construction convenience and the maintenance quality reliability can be effectively improved, and remarkable economic and social benefits are achieved.

This solution provides a portable fingerprint acquisition device for criminal investigation, including a light source emitting component; a fingerprint multi-angle acquisition component, wherein the fingerprint multi-angle acquisition component includes a fingerprint acquisition channel and at least one reflector arranged around the fingerprint acquisition channel; a fingerprint channel cover placed on the fingerprint acquisition channel, wherein the fingerprint channel cover includes a brush roller and a brush arranged on the surface of the brush roller; an optical path acquisition component; and an image acquisition component; wherein the light source emitting component, the fingerprint multi-angle acquisition component, the optical path acquisition component, and the image acquisition component are sequentially designed on the fingerprint acquisition optical path, adopting a non-contact omnidirectional fingerprint acquisition structure, improving the accuracy and efficiency of fingerprint acquisition, and meeting the needs of criminal investigators for rapid evidence collection in mobile scenarios such as the field and crime scenes.

The application relates to a power grid data processing method, device, equipment, readable storage medium and program product. The method comprises the following steps: obtaining service data generated by interaction of each subject unit in a source grid-load-storage coordination system; distributing the service data to corresponding main processing node groups based on corresponding service scenarios of the service data; the main processing node groups comprise at least two main processing nodes, each main processing node is pre-configured with a data processing algorithm and a resource allocation strategy matched with the corresponding service scenario; the load state of each main processing node is obtained, and the service data is distributed to a target main processing node for data processing; the target main processing node refers to a main processing node whose core running load index in the load state is in a corresponding preset interval range. The method can improve the data processing efficiency of power grid data.

The present application belongs to the technical field of environmental protection monitoring, and particularly relates to an environmental protection monitoring and inspection robot, which comprises a shell, a monitoring rotating module is installed at the upper end of the shell, and a high-definition camera and an infrared thermal imager are respectively installed at the left and right sides of the monitoring rotating module. The present application can realize the collection of omnibearing visible light and infrared images, and through visual intelligent algorithm analysis technology, the robot can autonomously identify various machines and equipment in a factory, automatically classify pollution source types, monitor various environmental indexes of an industrial enterprise production line in the process of robot intelligent inspection and monitoring, divide the early warning level based on good or extreme weather, and link with the equipment to assist in decision-making of whether the operation of each process of the industrial enterprise and the equipment continues, strengthen the supervision of the operation of the enterprise workshop, ensure the rationalization of production in the workshop, and improve the informatization and intelligentization level of the ecological environmental bureau in monitoring the environmental quality.

The utility model discloses an achievement conversion information acquisition system, and relates to the technical field of information service. The storage device comprises the main body and the storage mechanism, the storage mechanism comprises the fixing plate, the storage mechanism is arranged, the sliding blocks are clamped in the sliding grooves in a sliding mode, and the storage bag is fixedly connected between every two sliding blocks, so that an operator can select different storage bags for classified storage according to different achievements; the information management efficiency and accuracy are improved, the sliding blocks can slide in the sliding grooves, the positions and the intervals of the storage bags can be flexibly adjusted according to actual needs, when more information needs to be stored, the intervals of the adjacent storage bags can be properly increased so as to contain more data, when the information is less, the intervals can be reduced, the applicability and the use experience are improved, and the practicability is high. Operators do not need to switch among multiple devices, the working efficiency is improved, and the printer on the inner side of the printing opening in the outer surface of the main body can print information in the system in a paper form.

The utility model relates to a two-phase sampling device suitable for rivers, lakes and reservoirs, and belongs to the technical field of sampling devices. The top end of the connecting rod is connected with the handle; the water body sampling device is used for sampling water bodies; the monitoring module is used for monitoring water quality of the water bodies; the bottom mud sampling device is connected to the bottom end of the connecting rod and is used for collecting a bottom mud sample. The device is provided with the water sampling device and the bottom mud sampling device at the same time, so that bottom mud samples can be collected while water samples are collected, and various kinds of sampling can be completed at a time. The specific structure of the water body sampling device is designed, automatic water sample collection can be achieved, an operator only needs to manually complete bottom mud sampling, the bottom mud sample and the water sample are collected, and operation is easy.

The invention relates to the technical field of plant phenotype information acquisition, and discloses a mobile plant phenotype information acquisition device and a method thereof.The mobile plant phenotype information acquisition device comprises a main body frame, the main body frame is provided with a movement mechanism, the movement mechanism is used for driving the device to move, walking can be achieved, and linear walking and in-situ turning can be achieved; in addition, transverse movement can be achieved in the movement process, adjustment can be conducted in the movement process according to the flatness of the ground, it is guaranteed that four wheels touch the ground all the time, and the movement stability is guaranteed; according to the plant phenotype information acquisition device, plant phenotype information can be acquired, the acquisition direction and angle can be adjusted in the acquisition process, the acquisition height and interval can be adjusted, and the plant phenotype information acquisition device is suitable for acquisition of plants with different heights; according to the device, plants can be centralized during collection, inclined plants can be centralized, information collection is facilitated, and the collection efficiency is improved.

The application discloses an electromagnetic bistable piezoelectric energy harvesting device, comprising a base, an arc-shaped elastic beam provided with a piezoelectric element, a vibrating body and an electromagnetic driving device. The arc-shaped elastic beam provides a nonlinear restoring force with a negative stiffness interval when the vibrating body moves. The electromagnetic driving device generates an electromagnetic force along a preset direction when adjustable current is input, and the electromagnetic force partially compensates the restoring force in the negative stiffness interval, so that the resultant force still retains the negative stiffness characteristic. The vibrating body has two stable equilibrium positions, forming a bistable structure. Since the electromagnetic force is proportional to the adjustable current, changing the current can continuously adjust the compensation degree of the negative stiffness, and further continuously adjust the potential barrier height. Without replacing mechanical parts, the device can adapt to different vibration environments and realize efficient energy harvesting under low-frequency and low-amplitude conditions.

The invention discloses a lower limb ischemia assessment system based on thermal imaging key area positioning and temperature difference analysis. A human body target is captured and thermal images of different parts are collected through an automatic moving thermal imaging collection unit; carrying out key point detection and region segmentation by utilizing a deep learning model through preprocessing, and accurately dividing an anatomical region; extracting the calibrated area temperature and calculating the temperature difference; finally, lower limb ischemia is evaluated, a result is output, thermal imaging automation and high-precision collection are achieved, and temperature measurement accuracy and standardization are improved. Objective and reliable evaluation is provided, diagnosis efficiency and accuracy are improved, and personal errors are reduced.

A fiber optic spectrometer, belonging to the field of optical instruments, includes a beam collimating unit positioned perpendicular to the emission direction of the fiber optic light. Behind the collimating unit, a beam deflector is tilted, and below the deflector, a projection grating is positioned. The transmission grating forms a 45° angle with the line parallel to the central wavelength principal ray of the beam collimating unit. A pair of mirrors with different tilt angles are positioned on the light emission side of the transmission grating, and a beam focusing unit is positioned on the light incident side of the transmission grating. The emitted beam from the beam focusing unit is parallel to and opposite to the central wavelength principal ray of the beam collimating unit. A detector array is positioned on the fiber emission side of the beam focusing unit. This invention uses a single projection grating, achieving two symmetrical reflections through the mirrors, and its optical path dimensions are more compact than the aforementioned dual-grating structure, thus achieving the spectral resolution effect of a dual-grating.

The utility model discloses a blood collecting and separating device which comprises a separating cup, the separating cup comprises a cup body, a cup cover, a static head, an upper cover and a lower cover, a blood inlet and a blood outlet in the top of the static head are both vertically arranged, and the upper cover and the lower cover are connected with the bottom of the static head; the upper end of the lower cover is communicated with the blood inlet to form a blood inflow channel, and a space between the inner walls of the upper cover and the lower cover is communicated with the blood outlet to form a blood outflow channel; the liquid inlet end of the blood inflow channel penetrates through the cup cover along the interior of the lower cover and extends into the bottom of the cup body; the liquid outlet end of the blood outflow channel penetrates through the cup cover to be located at the cup opening along the top of the cup body and enters the gap between the upper cover and the lower cover. By improving the structure of the static head, automatic assembly of the separation cup and a consumable pipeline during use can be facilitated, meanwhile, automatic assembly in the production process of the separation cup can be facilitated by improving the connecting structure between the static head and the upper cover and the connecting structure between the static head and the lower cover, and production efficiency is improved.

The invention discloses an intelligent linkage control method and system for a coal conveying and water supply system, and the method comprises the steps: constructing a coal conveying system state sensing network, and collecting the operation data of coal conveying equipment, the material level information of a coal bunker, and the coal blocking state information in real time; a water supply system state sensing network is constructed, and the pump operation state, the water level, the flow and security signals are collected in real time; a dynamic coupling model of a coal conveying system and a water supply system is established, linkage control is executed under specific working conditions based on the dynamic coupling model, and the linkage control comprises the steps that when the coal bunker material level reaches a high threshold value and the coal conveying system needs load reduction operation, a load reduction instruction is sent to the water supply system, and the operation frequency of a pump machine is adjusted to a high-efficiency interval; when the water supply system detects abnormal flow, a speed regulation instruction is sent to the coal conveying system, and the speed of the belt conveyor is adjusted to meet the water supply requirement. According to the invention, through combination of the state sensing network and the dynamic coupling model, intelligent dynamic adjustment of the operation parameters of the coal conveying and water supply system is realized, and the accuracy and reliability of system management and control are improved.

A Rogowski coil applied to distribution network traveling wave current acquisition belongs to the field of traveling wave current acquisition equipment. It comprises a ring-shaped winding framework (2), a secondary side coil (3) is wound on the winding framework (2), and a primary side coil (4) is further arranged at the winding framework (2), characterized in that a magnetic core (6) is arranged in the winding framework (2), at least one opening is arranged on the circumference of the magnetic core (6), and the winding angle of the secondary side coil (3) along the circumference of the winding framework (2) is less than 360°. In the Rogowski coil applied to distribution network traveling wave current acquisition, at least one opening is arranged on the circumference of the magnetic core, so that the magnetic core meets the mutual inductance coefficient of the distribution network traveling wave current, and the magnetic saturation during measurement is avoided, meanwhile, the two coil joints of the secondary side coil do not overlap on the surface of the winding framework, which is more helpful to meet the requirement of inter-turn capacitance and further meet the frequency bandwidth during sampling.

The invention discloses a physical stock visualization system and method, and relates to the technical field of inspection robots, and the system comprises a first guide rail which is arranged above a to-be-detected target and surrounds the to-be-detected target; the inspection robot is arranged on one side of the first guide rail in a sliding mode, and an acquisition module is arranged on the side, close to the to-be-detected target, of the inspection robot so as to obtain target information of the to-be-detected target; wherein the first guide rail is provided with a plurality of measurement point positions, a processing module is arranged in the inspection robot, and the processing module is used for processing target information obtained by the inspection robot at the plurality of measurement point positions so as to obtain volume information of the to-be-measured target according to the target information. The technical problem that in the prior art, a visual blind area often exists in the mode that measurement is conducted through a fixed camera or a laser scanner, goods cannot be scanned in an all-around mode, and consequently the size measurement result is not accurate is solved.

The application relates to the technical field of wearable devices, and discloses a multi-range MEMS device, a sensor and a smart wearable device. The multi-range MEMS device comprises a substrate, the substrate comprises at least two grooves; a diaphragm is arranged in each groove and forms a collection area at a corresponding position on the side away from each groove; and a collection element is arranged in each collection area and used for detecting the current deformation amplitude of the diaphragm in the collection area and outputting a corresponding MEMS signal. The deformation amplitude ranges of the diaphragms in the collection areas are inconsistent. Since the deformation amplitude ranges of the diaphragms on the collection areas are set to be inconsistent, different collection ranges can be supported by different collection areas in actual use, the current deformation amplitudes of the corresponding diaphragms are detected by the corresponding collection elements, and the corresponding MEMS signals are output, so that multi-range collection is realized.

A model construction method of a photovoltaic power generation unit, characterized in that the method comprises the following steps: step 1, model simulation is performed on a grid-connected inverter of the photovoltaic power generation unit, the simulation model comprises a basic model and a simplified model, wherein the simplified model is used to simplify a half-bridge structure of the grid-connected inverter into a three-phase power supply in the simulation process; step 2, the simulation model of the grid-connected inverter is input into power system simulation software, and a running disturbance is added to the simulation model to obtain an adjustment effect of the simulation model on the running disturbance; and step 3, based on the adjustment effect of the simulation model and the network scale to be analyzed, the basic model or the simplified model is selected to be used. The method is simple, the improvement of the simulation model is accurate and effective, and fully meets the demand of model calculation efficiency under large-scale simulation.

The application discloses an operating mechanism data acquisition system and a driving loop module and method thereof, and the module comprises a high-voltage direct-current power supply HM, a high-voltage direct-current power supply KM, a power adapter DP, an embedded control module QK, a control switching plug HT, a supply and discharge circuit, a closing and opening knob KK and a rotary switch ZH2; the high-voltage direct-current power supply HM provides an energy storage power supply and a closing power supply for a measured operating mechanism, the high-voltage direct-current power supply KM provides an opening power supply for the measured operating mechanism, the power adapter DP provides a working power supply for the embedded control module QK, and the required operating power supply voltage for testing can be met; the embedded control module QK can realize program control of driving, the rotary switch ZH2 can realize mode conversion between manual control and program control of driving, and the closing and opening knob KK can realize manual control of driving, so that the problem that traditional operating mechanism research experiments cannot simultaneously integrate automatic control of multiple characteristic parameters is solved.

The application discloses an interactive method of a double-tracing safety production supervision system, relates to the technical field of safety production supervision systems, and discloses the interactive method of the double-tracing safety production supervision system, which integrates an AI identification and an artificial reporting double-source hidden danger data collection mechanism, cross-verify double-source hidden danger data, constructs a double-binding system of data tracing credentials and operation process tracing records, and combines visual interaction of a GIS map and multi-dimensional safety performance evaluation, effectively solves the technical problems of incomplete hidden danger coverage, difficult responsibility tracing, missing quantitative evaluation and insufficient terminal cooperation in a traditional supervision system, can realize comprehensive collection of double-source hidden danger data, cross-checking and purification of double-source hidden danger data, complete construction of a double-tracing mechanism, quantitative evaluation of safety performance and closed-loop management of a supervision process, and effectively improves the coverage range, tracing capability and decision-making efficiency of safety production supervision.

The utility model discloses an ecological restoration detects with soil collection equipment relates to ecological restoration technical field, device main part is connected through rotating mechanism and rotation block, and device main part below and threaded rod is screwed, and device main part and connecting axle slidingly connected, this device is provided with collection structure. When using, after device main part is fixed through threaded rod and ground, when needing to collect, rotate first threaded shaft, make first threaded shaft rotate in fixed groove, make the collector below drop, through the sharp protrusion below the collector and insert into the ground, when the collector enters the ground, the moving block is extruded, the moving block moves, makes telescopic axle adjust through the hinge shaft, makes telescopic axle front end drive second sliding block on fixed link slip through the hinge shaft, and the damper on fixed link surface contracts simultaneously, and second sliding block drives the moving plate in front on the slide bar sliding and opens below, at this moment, the soil enters the collection head and completes the collection.

This invention discloses a multi-sample rack loading and continuous barcode scanning mechanism, including a loading platform. The surface of the loading platform is provided with a limiting component for guiding and limiting multiple loading racks. One end of the loading platform is provided with a positioning detection component. During the process of the loading rack being inserted into the loading platform along the limiting component, the samples in the loading rack are driven through the scanning range of the barcode scanning structure located on one side of the loading platform to achieve barcode scanning. By setting up loading racks and limiting components, when a loading rack full of sample containers is manually or automatically pushed or conveyed along the guide mechanism, the barcode scanner starts to work. As the loading rack moves, it completes the barcode scanning of all sample containers on the rack one by one. This mechanism is designed to support multiple loading racks being fed in sequentially and continuously and performing independent barcode scanning operations. The barcode scanning process of each loading rack does not interfere with each other, realizing the integration of the loading process of the loading rack and the automatic scanning process of sample information.

The application relates to a chemical short-range order measurement method and system based on an atomic pair distribution function, and the method comprises the following steps: performing a total scattering experiment on a polycrystalline powder sample to obtain total scattering data, a scattering function and an atomic pair distribution function; based on the total scattering data, an initial three-dimensional atomic structure model is constructed; further, the initial three-dimensional atomic structure model is fitted and reconstructed by taking minimization of a fitting goodness factor as a target, so that a three-dimensional atomic structure model after fitting and reconstruction is obtained; according to the three-dimensional atomic structure model after fitting and reconstruction, a radial distribution function and a bulk average distribution concentration are calculated, and a chemical short-range order parameter calculation cutoff is set according to a near-neighbor atomic cutoff distance; further, the probability of an atom finding other types of atoms under the calculation cutoff is calculated; and the chemical short-range order parameter is calculated based on the probability and the bulk average distribution concentration. Compared with the prior art, the application has the advantage of wide application scenarios.

This invention discloses a testing device and method for thermal gas generation from lithium batteries. The device includes an environmental chamber, a sample chamber, a charging and discharging device, a first solenoid valve, a first gas guide pipe, a gas collection device, and a controller. The sample chamber has a first gas guide pipe, which is connected to the first solenoid valve and the gas collection device sequentially through a first through-hole of the environmental chamber. The environmental chamber has a heating function. The controller controls the charging and discharging device to charge and discharge the lithium battery. When the state of charge of the lithium battery reaches a preset charge range, the controller controls the environmental chamber to heat at a preset rate so that the temperature inside the sample chamber reaches a preset temperature threshold. The controller also controls the first solenoid valve to be open so that the gas inside the sample chamber enters the gas collection device. The controller also performs component analysis on the gas collected by the gas collection device at different temperatures. This enables the collection of gas from the lithium battery at different states of charge and different temperatures.