30results about How to "Fast location" patented technology

The invention discloses an intelligent operation and maintenance management method and system based on an artificial intelligence data center, and relates to the technical field of data processing, and the operation and maintenance management system comprises a data collection module, a data classification storage module, a data prediction module, a data processing module and a data evaluation module. The data acquisition module is used for acquiring different hardware equipment data and software data in the operation and maintenance management system in real time. The data classification storage module is used for classifying and storing the data in the operation and maintenance management system, and then the importance of different data is determined by utilizing grades; and then the data prediction module analyzes the classified data, so that the operation and maintenance management system can predict different classification data conveniently, after fault data occurs in the operation and maintenance management system, judgment is performed between the fault data and the classification, and the position of the fault data in the operation and maintenance management system is effectively and quickly positioned.

The present invention relates to the field of renewable energy power generation technology, and discloses an intelligent panoramic monitoring management system and method for new energy box transformers. The method comprises: obtaining an original monitoring data set of a target box transformer and performing data cleaning; extracting key features from the cleaned data and generating a weighted feature set; constructing a box transformer fault prediction model to obtain a fault risk assessment value; performing graded early warnings on potential faults based on the assessment values; constructing a box transformer fault diagnosis knowledge graph, and performing reasoning and tracing in combination with the knowledge graph when providing high-risk or medium-risk early warnings; the present invention realizes comprehensive monitoring of the box transformer operating status and intelligent diagnosis of faults through multi-source data fusion and knowledge graph reasoning, thereby improving the operating reliability and maintenance efficiency of the new energy box transformer.

The rapid positioning jig comprises a bottom plate, a rotary table, a lifting frame and a supporting frame, a slewing bearing is arranged in the middle of the bottom plate, the rotary table is rotationally connected to the slewing bearing, the supporting frame and the lifting frame are fixed to the upper end face of the rotary table, and an objective table used for bearing a displayer is fixed to the top of the lifting frame; the two sides of the supporting frame are rotationally connected with backup plates with adjustable inclination angles through supporting shafts correspondingly, and the backup plates are used for abutting against the back of the displayer. According to the invention, the position of the display is adjusted by adopting three-axis linkage, so that the display can quickly and accurately move into a positioning frame designed by software, and the positions of an instrument and the display can be quickly and accurately positioned.

The invention discloses an interference type integrated temperature and vibration optical fiber sensing demonstration device, relates to the field of optical fiber sensing demonstration teaching aids, and aims to solve the problem that both the prior art and the optical fiber sensing demonstration teaching aids cannot be considered. The vibration platform drives the plate spring steel to reciprocate to form vibration through a stepping motor controlled by a frequency controller; and tail fibers of the experiment arm and the reference arm are fixed on a movable pipe of the optical fiber fixing mechanism and are provided with bolts for locking. The optical fiber sensing process is quantitatively visualized based on Young's double-slit interference and the MZI principle, the principle can be deeply understood in the experiment process, the experiment precision is guaranteed while operability is achieved, and temperature and position changes can be rapidly calculated through stripe movement while experiment observation is facilitated.

The present invention discloses a solar panel quality inspection method, which belongs to the field of industrial quality inspection, including obtaining a complete solar panel image and grayscale, and then cutting it into small solar panel areas according to the average grayscale value of the complete image; comparing the area and size of each selected target area with the average value of the small solar panel, and counting the positions and sizes of all target areas that meet the verification conditions; breaking up the small solar panel images, traversing each position where the target area exists in sequence according to the row and column coordinates, and filling the positions; indexing and encoding according to the position and size of the small solar panel; cutting all small solar panel images into individuals, and then sending them into a trained neural network for reasoning to determine whether each small solar panel image has defects. The present invention adopts the above-mentioned solar panel quality inspection method, which improves the efficiency of quality inspection, has low cost and higher accuracy.

The invention discloses a moisture-proof power distribution control cabinet which comprises a shell, a cabinet door is arranged on one side of the outer wall of the shell, hinges are arranged on one side of the cabinet door, an advertisement rolling mechanism is arranged on one side of the outer wall of the cabinet door, a door lock is arranged on one side of the advertisement rolling mechanism, and a pop-up mechanism is arranged on one side of the interior of the shell. A plurality of groups of wire arrangement plates are arranged on one side of the pop-up mechanism, each group of wire arrangement plates are uniformly arranged in the vertical direction of the shell, sliding rails are arranged on the two sides of each wire arrangement plate, a locking mechanism is arranged at the bottom of each wire arrangement plate, a humidity sensor is arranged at the center of the bottom of an inner cavity of the shell, and a humidity sensor is arranged at the center of the bottom of the inner cavity of the shell. And an early warning mechanism is arranged on one side of the humidity sensor, the safety is improved through the early warning system, problems are rapidly positioned and checked, and the maintenance efficiency is improved. The design of an external advertisement rolling mechanism and a sealing gasket enhances practicability and attractiveness, meets the propaganda requirements of commercial districts, and keeps the appearance clean and tidy at the same time.

The utility model discloses an auxiliary assembling device for a section steel beam of a multi-story and high-rise steel structure, the two ends of the section steel beam are connected with brackets of section steel columns through high-strength bolts respectively, and the auxiliary assembling device comprises a first positioning assembly and a second positioning assembly. The first positioning assembly is matched with the side face of the corbel or the side face of a supporting piece on the corbel, the second positioning assembly is flush with the end face of the corbel or the end face of the supporting piece on the corbel, and in this way, the section steel beam is aligned to the corbel. The utility model provides an auxiliary assembling device for a section steel beam of a multi-story and high-rise steel structure, which is used for assisting in aligning a bracket and the section steel beam and solves the problem that the section steel beam is difficult to hoist in the assembling process.

The utility model relates to mechanical processing technical field, concretely is a kind of self-adapting shaft sleeve inner and outer circle synchronous processing device, including rack, main shaft system, inner circle processing unit and outer circle processing unit, the rack is used to support overall structure;Main shaft system is installed on rack, include shaft sleeve chuck and driving equipment, wherein driving equipment is made of case, driving motor, speed reducer, transmission wheel and driving wheel, workpiece rotation is realized by belt drive, inner circle processing unit includes adjusting track assembly one and milling cutter one, adjusting track assembly one is made of advancing track one, offset track one and lifting track one, cooperation gear drive device and screw drive device realize three-dimensional accurate positioning;Milling cutter one is equipped with cylinder and milling cutter, can complete high-precision inner circle processing, outer circle processing unit structure symmetry, including the same adjusting track assembly two and milling cutter two of structure, for synchronously completing the processing of shaft sleeve outer circle.

The utility model discloses a low -voltage cable can prevent water, including power transmission conductor, the power transmission conductor outside tight covering has insulating protective layer, a plurality of insulating protective layer outside common covering has the limit rubber bush, the limit rubber bush inside gap department fills with internal filling strip, the limit rubber bush outside is provided with rubber protective outer cover, the rubber protective outer cover outside tight bundling has rubber bundling belt, the utility model discloses a limit angle nail to the arc block is positioned to prevent the phenomenon that the arc block appears to slip, through the connecting cable and install the suspension rubber ball to the arc block top, through the suspension rubber ball to the trend and the arrangement position of low -voltage cable are marked, ensure that the position of low -voltage cable can be judged fast in the underwater use process, effectively prevent the cable from being accidentally scratched damage by the water operation personnel, and further effectively improve the use security of cable.

The invention discloses an input control method and device and input equipment, the method is applied to the input equipment, the input equipment comprises at least one set function key, each set function key corresponds to a unique function key identifier, and the method comprises the following steps: responding to a detected first key operation of the set function key; obtaining a function key identifier of the triggered set function key, and activating a position memory mode corresponding to the function key identifier; in the position memory mode, by taking a cursor position when the position memory mode is activated as a reference position, acquiring movement data generated by movement of the input equipment relative to the reference position, and performing reverse accumulation operation on the movement data to generate a homing vector corresponding to the function key identifier, the homing vector is used for controlling a cursor of the input equipment to jump to the reference position. According to the method and the device, rapid and accurate cursor position memory and one-key reset functions are realized.

The invention discloses a lithium battery full-automatic steel rail grinding machine which is used for solving the problem that an existing grinding machine is not high in grinding precision. Comprising a grinding head, a main motor, a motor mounting frame, a lifting mechanism, a rotating mechanism, a translation mechanism and a rack, the rack is provided with a door-shaped mounting frame through the translation mechanism, and the two sides of the lower end of a portal frame are mechanically connected with longitudinal beams of the door-shaped mounting frame through the rotating mechanism in an angle-adjustable mode; linear bearings are installed on two linear guide columns on the portal frame, the two linear bearings are fixedly connected with a motor installation frame, a main motor is fixed to the motor installation frame, a polishing head is installed on a power shaft of the main motor, and the rotating structure is innovatively designed. According to the device, the motor mounting frame with the rectangular frame is adopted, and the portal frame, the door-shaped mounting frame and other good-rigidity designs are matched, so that the rigidity degree of the grinding head is improved, flexible deformation is relieved, and the stability of the grinding head is improved.

The invention discloses an auxiliary smoke exhaust device for fire fighting, belongs to the technical field of fire fighting instruments, and solves the problems that an existing device is poor in mounting adaptability, not firm in fixation, single in function and inconvenient in angle adjusting.The auxiliary smoke exhaust device comprises a fixing frame used for being fixed to a door frame or a window, and a sliding seat is slidably mounted on one side of the interior of the fixing frame; according to the auxiliary smoke exhaust device for fire fighting, through the combined structure of the first fixing plate and the second fixing plate, in cooperation with adjustment of the fixing columns and the fixing nuts, the auxiliary smoke exhaust device for fire fighting can be matched with door frames and windows of different sizes, and the auxiliary smoke exhaust device for fire fighting is convenient to use and high in practicability. The conical convex block can increase the friction force in contact with a door frame and a window, the device is prevented from sliding in the operation process, and the fixing effect is better; and meanwhile, a handle is arranged, so that a fixing nut is conveniently and rapidly screwed, rapid disassembly and assembly of the device are achieved, and the fire-fighting operation efficiency is improved.

The utility model discloses a kind of robot chassis stretch deformation mechanism, including first chassis, second chassis and stretch structure, second chassis is movably connected above first chassis;Stretch structure includes output gear and rack, output gear is set inside first chassis and partially exposes the upper surface of first chassis, output gear is connected with driving element, rack is set on the lower surface of second chassis and is engaged in output gear, output gear rotation drives rack to move to make first, second chassis stretch / stack each other.The utility model technical scheme aims at optimizing the deformation structure of robot, reduce friction, deformation is more smooth and rapid.

The invention belongs to the technical field of power transmission protection equipment, and particularly relates to an external damage prevention cable stake device and a using method.The device comprises a shell, the shell is fixed to the ground, a voiceprint recognition module is arranged on the shell in a surrounding mode, and a warning lamp is further arranged on the shell; a vibration monitoring module, a voiceprint recognition module, a power supply module, a positioning module, a communication module and a processor are arranged in the shell; the power supply module is electrically connected with the modules and the processor for supplying power, the communication module is connected with the modules for receiving and transmitting data, and the communication module is connected with the processor; the positioning module is used for acquiring position information of the device in real time, transmitting the position information to the communication module and storing the position information; the processor can accurately determine that an underground cable is possibly damaged by external force, triggers an early warning mechanism, warns related personnel to stop possible damage activities through different flicker frequencies of the warning lamp, and effectively protects the safety of the underground cable.

The utility model relates to an efficient energy-saving type single-groove flotation machine which comprises a base, a rack is arranged on the base, a flotation box used for containing ore pulp, an impeller used for rotating and stirring the ore pulp and a stirring motor used for driving the impeller to rotate are arranged on the rack, a discharging mechanism used for scraping foam is arranged on the rack, and a feeding pipe is arranged on the rack. The feeding pipe is provided with an electromagnetic valve, the flotation box is provided with a liquid level meter, the liquid level meter detects the liquid level height of ore pulp in the flotation box, and when the liquid level height is insufficient, the electromagnetic valve can be automatically opened to supplement raw materials into the flotation box. The device has the effect of automatically supplementing the ore pulp.

The utility model discloses multi-point water quality monitoring equipment which comprises a supporting column, a supporting plate is fixedly connected to one side of the top end of the supporting column, a square rod is slidably connected to the interior of one end of the supporting plate, and a monitoring assembly is installed at the end, away from the supporting plate, of the square rod; an adjusting mechanism is arranged between the supporting plate and the square rod, and a supporting assembly is arranged between the supporting column and the square rod. The adjusting mechanism comprises a mounting box mounted in one end of the supporting plate, a screw rod is rotationally connected between the mounting box and the interior of the supporting plate, a rotating rod is rotationally connected between the mounting box and the top end of the supporting plate, and first rotating teeth are mounted at the bottom end of the rotating rod; therefore, the effect of rapidly fixing and limiting the adjusted square rod can be achieved, the effect of rapidly adjusting the position of the monitoring assembly can be achieved, water quality monitoring work can be conducted on multiple positions in a river channel, and the water quality monitoring accuracy is greatly improved.

The utility model relates to the field of medical instruments, in particular to a finger joint training finger ring structure which comprises a finger ring seat and a finger ring connecting piece, the finger ring seat is provided with a movable groove for placing a finger, an elastic part is arranged between the finger ring seat and the finger ring connecting piece, and the finger ring seat slides on the finger ring connecting piece in a limiting mode. The end face, facing the finger ring connecting piece, of the finger ring base is provided with a plurality of fixing grooves which are formed in the axial direction of the movable groove, the end face, facing the fixing grooves, of the finger ring connecting piece is provided with a movable hole, the elastic part is arranged in the movable hole and comprises a compression spring and a ball, and the two ends of the compression spring are connected with the end face of the movable hole or the ball respectively. Part of the balls are arranged in the fixing grooves, and the number of the fixing grooves is larger than that of the balls. According to the utility model, the position of the ring seat can be quickly adjusted, the elastic part can limit the ring seat, and the ring seat can be pushed by a hand to overcome elastic force so as to quickly adjust the position of the ring seat, so that the operation convenience of medical personnel is increased, and the adjusting time is greatly shortened.

The utility model relates to the technical field of terminals, in particular to a high-density connecting terminal, which comprises a plurality of first breaking heads which are mainly used for connecting terminals, each first breaking head comprises a first breaking part, and each first breaking part is provided with a first positioning hole; a plurality of terminal main bodies are arranged, one end of each terminal main body is fixedly connected with the first breaking head, each terminal main body comprises a terminal body, one end, far away from the first breaking head, of each terminal body is provided with a connecting part, and one end, close to the first breaking head, of each terminal body is provided with a bending part in a bending manner; and the bending part is fixedly connected with the first breaking head. The connector has the advantages that the connector is reasonable in design, has more terminal connection points, improves the efficiency of connecting the terminal with a golden finger on a circuit board, can also improve the stability after the insertion piece is connected with the terminal, and prevents the insertion piece from falling off from the terminal, and is worthy of vigorous popularization and application.

The present application relates to the technical field of coal mining, and particularly relates to a tool and a method for installing a stand column pressing plate ear plate and a limiting connecting seat, which on one hand provides a tool comprising a first positioning shaft, a horizontal positioning plate, a vertical positioning plate and a second positioning shaft, which has a first circular through hole and a groove in the same relative position relationship as the stand column pressing plate ear plate and the limiting connecting seat are installed on the main reinforcement of the base, and after the tool is positioned with the column nest core positioning hole and the lower bottom surface of the main reinforcement as the reference, the position of the stand column pressing plate ear plate and the limiting connecting seat can be quickly positioned according to the first circular through hole and the groove thereon. On the other hand, a method for installing the stand column pressing plate ear plate and the limiting connecting seat is provided based on the tool, which quickly and accurately positions and installs the stand column pressing plate ear plate and the limiting connecting seat by using the tool, avoids the error of manual measurement and line marking, improves the work efficiency, and is one-time synchronous positioning, which can well ensure the assembly accuracy and ensure the accurate relative position relationship between the two.

The utility model discloses an asphalt pavement thickness detecting and sampling device, which belongs to the technical field of detecting and sampling devices and comprises two groups of fixing plates, two groups of supporting rods are fixedly connected to the tops of the fixing plates symmetrically, a connecting rod is fixedly connected between the two groups of supporting rods, and a chute is arranged on the connecting rod. One end, far away from the connecting rod, of the supporting rod is rotatably connected with a threaded rod I, the threaded rod I is in threaded connection with a movable block, and the bottom of the movable block is fixedly connected with a connecting frame. A movable block on the first threaded rod moves on the first threaded rod through a thread to drive a connecting frame to change the position, so that the position of a sampling head is quickly changed during sampling, the operation difficulty is reduced, and the practicability is improved.

The utility model discloses a switch shrapnel bending mechanism, which belongs to the technical field of switch manufacturing, and comprises a small bending machine, the small bending machine comprises a fixed table, an electric push rod, a lifting plate, an extrusion block and two fixed wheels, the electric push rod is fixedly arranged on the top of the fixed table, the output end of the electric push rod is fixedly connected with the top wall of the lifting plate, and the extrusion block is arranged on the fixed table. The extrusion block is fixedly installed on the side wall of the lifting plate, a moving hole is formed in the side wall of the fixing table, the extrusion block is located in the moving hole, the two fixing wheels are fixedly installed on the two sides of the moving hole respectively, and the two limiting plates are located on the two sides of the moving hole respectively. A pushing assembly used for driving the moving plate is fixedly installed on the side wall of the lifting plate. The push plate and the matched push assembly are arranged on the side wall of the fixing table, so that the small bending machine can automatically discharge the elastic pieces after bending the elastic pieces, workers are prevented from manually taking out the elastic pieces, and then the bending efficiency is improved.

The application discloses an anchor design method for an irregular boundary slope surface based on a topological relation and is suitable for the technical field of dangerous rock mass prevention and control, and comprises the following steps: S1, determining an anchor arrangement area and establishing a two-dimensional plane corresponding to a three-dimensional model of the anchor arrangement area based on computer graphics; S2, defining an anchor arrangement rule based on the topological relation; S3, dividing the anchor arrangement area based on the anchor arrangement rule and the two-dimensional plane to obtain a division result; and S4, arranging anchors and updating anchor position space topological relations and anchor related information according to the division result. The three-dimensional irregular slope surface is projected on a two-dimensional plane for anchor arrangement through the topological relation, and the anchor arrangement rule is set, so that efficient, quick and compatible arrangement of various reinforcement combination schemes on the irregular geological body is realized, and then reinforcement engineering quantity is quickly and accurately counted, and the design efficiency is effectively improved.

The invention discloses an aerodynamic noise source positioning simulation method, device and equipment and a storage medium, and belongs to the field of noise source prediction of an automobile air inlet system. Comprising the steps of establishing a fluid model according to a fluid domain of a target part, determining simulation functions, including a body noise source simulation function and a surface noise source simulation function, corresponding to the fluid model, initializing physical parameters and monitoring parameters of the simulation functions, obtaining a target simulation function to facilitate subsequent noise source simulation calculation, and finally performing noise source simulation calculation according to a simulation result. And determining the noise source position of the target part. According to the method, the position of the aerodynamic noise source is quickly simulated through the body noise source and surface noise source simulation functions, sound field coupling is not needed, and the simulation period is greatly shortened.

The utility model provides a longitudinal adjusting device of a steel beam hoisting system on a bridge fabrication machine, which comprises a lower bottom plate, an upper bottom plate, a locking mechanism and a center hole jack, the lower bottom plate is fixed at the top of a main beam, the upper bottom plate is fixed at the bottom of a front cross beam, and the upper bottom plate is attached to the upper part of the lower bottom plate and is positioned between two groups of longitudinal limiting blocks; the locking mechanism comprises a threaded rod, a locking block and a pushing block, the locking block is fixed to the upper bottom plate or the front cross beam, the threaded rod is horizontally arranged in the longitudinal direction, one end of the threaded rod penetrates through the locking block and is locked on the locking block, the other end of the threaded rod penetrates through the pushing block, and the pushing block is locked and abuts against the outer side of the longitudinal limiting block; the two sets of locking mechanisms are symmetrically arranged, and the center hole jack is arranged on one threaded rod in a penetrating mode and abuts against the outer side of the pushing block in a locked mode through a nut. The longitudinal adjusting device is easy to install, easy to adjust and operate, high in adjusting precision and high in speed.

The present invention provides a sleeper plate type track structure with an isolation buffer pad on a steel truss, which is arranged on a steel truss (1), and comprises a sleeper plate (3), and also comprises an isolation buffer pad (2) arranged between the sleeper plate (3) and the main longitudinal beam of the steel truss (1); the steel truss (1) is provided with a plurality of welding limiters (12), a sleeve (6) is arranged between the welding limiter (12) and the limit hole (31) of the sleeper plate, the sleeve (6) and the welding limiter (12) are directly fixedly connected by a T-bolt (4), and the top of the sleeve (6) is pressed on the sleeper plate (3); the isolation buffer pad (2) absorbs part of the vibration energy of the vehicle track system under the fixation of the sleeve (6) and the T-bolt (4), thereby realizing the isolation and buffering function between the sleeper plate (3) and the steel truss (1), thereby ensuring the stability and safety of the track structure.

The invention discloses a hoisting device for a heavy-load hatch cover structure, and relates to the technical field of hoisting devices.The hoisting device comprises a track and a vehicle body slidably arranged on the track and further comprises a supporting frame, the supporting frame can rotate relative to the vehicle body through driving of a driving assembly, and a cross beam frame is fixedly installed at the top end of the supporting frame; a transverse moving frame is transversely arranged on the cross beam frame in a sliding mode, and a clamp used for clamping the hatch cover is vertically arranged on the transverse moving frame in a sliding mode; the bottom plate is driven by the driving assembly so that the bottom plate can be vertically arranged on the bottom face of the vehicle body in a sliding mode. According to the hoisting device for the heavy-load hatch cover structure, the effect of rapidly positioning the moved position is achieved through the driving assembly, so that the vehicle body and the deck of the ship body can be in a relatively static state, the situation that the vehicle body shakes relative to the ship body due to shaking of the ship body is avoided as much as possible, and the service life of the vehicle body is prolonged. And the placing operation of the hatch cover is influenced.

The utility model provides an auxiliary instrument panel with an inductive atmosphere lighting function, which relates to the technical field of automotive interiors and comprises an auxiliary instrument panel body, a first storage groove is arranged on one side of the auxiliary instrument panel body, and a second storage groove is arranged on the other side of the auxiliary instrument panel body. Two sides of the auxiliary fascia console body are respectively provided with a light bar, a sensor matched with a bolt is arranged above the first storage groove, and two sides of the sensor are respectively provided with a bolt mounting hole. A sensor, a light bar, a first atmosphere lamp and a second atmosphere lamp are arranged to be matched with one another to achieve the induction type atmosphere lighting effect of the auxiliary instrument panel body, when a human body approaches the induction range of the sensor, the light bar, the first atmosphere lamp and the second atmosphere lamp are automatically turned on, the first atmosphere lamp and the second atmosphere lamp illuminate the interior of a storage groove, and the safety of the auxiliary instrument panel body is improved. A passenger can clearly see articles in the storage groove in a dark environment, and meanwhile, the light provides an atmosphere science and technology sense and interestingness.

The utility model relates to connecting component technical field discloses a kind of modularized handicraft connecting components of quick assembly, including bearing plate, one end of the bearing plate is threaded and rotationally connected with worm, one end of the worm is threaded and slidingly connected with rocker, the top of the bearing plate both ends is threaded and rotationally connected with bidirectional screw rod, one end the outer ring one end of the bidirectional screw rod is threaded and fixedly connected with worm wheel, and worm wheel and worm meshing connection, the outer ring one end of the bidirectional screw rod is threaded and fixedly connected with synchronous pulley, synchronous belt is provided between the synchronous pulley, the outer ring middle two ends of the bidirectional screw rod are all screw connected with nut pair.The utility model in, through worm, bidirectional screw rod, nut pair, synchronous pulley, synchronous belt, worm wheel, sliding block, slide bar, steel ball and the linkage between transmission rod ensure that both sides fixed block can be synchronized, uniformly close or away, avoid deflection or uneven clamping.

The invention discloses a lithium battery cell thermal runaway detection device, and belongs to the technical field of power battery thermal runaway prediction. A row channel control circuit and a column channel control circuit are arranged at the row channel of the adjacent battery cells, and the row channel control circuit and the column channel control circuit comprise a gas sensor; the U-shaped sliding rail is arranged on one side of all the battery cells distributed in rows and is provided with a movable fan; the first movable wind shield is mounted at one corner, close to a battery tab, of each battery cell except the last column of battery cells; the second movable wind shield is mounted at one corner, opposite to the first movable wind shield, of each battery cell except the first column of battery cells, and a reflector is embedded on the surface of the second movable wind shield; the third movable wind shield is mounted at one corner, close to the battery tab, of the last column of battery cells, and a reflector is embedded on the surface; the LED lamps are mounted on the side walls of the lithium batteries opposite to the channels in each row, and a photodiode is mounted below each LED lamp. According to the invention, rapid detection and accurate positioning of the out-of-control battery cell are realized.

The invention relates to the technical field of material strength and damage measurement, and particularly provides a sample clamping device based on a Hopkinson bar and an impact test method.The sample clamping device based on the Hopkinson bar comprises a clamping part and a rotary lifting part; a clamping cavity, a first passing channel and a second passing channel are formed in the clamping part; the first passing channel communicates with the two sides of the clamping cavity. The second passing channel is communicated with the other two sides of the clamping cavity; the first passing channel is perpendicular to the second passing channel; the working end of the rotary lifting part is connected with the clamping part, and the clamping part can be driven to ascend and descend in the axial direction of the working end of the rotary lifting part and rotate in the circumferential direction of the working end of the rotary lifting part. Compared with the prior art, an original manual operation mode is replaced, the setting position and orientation of the sample can be rapidly adjusted, the sample does not need to be frequently taken down and placed again, time delay caused by operation is avoided, the test efficiency is improved, the probability of errors caused by adjustment is reduced, and the accuracy of a test result is guaranteed.