100results about How to "Avoid inaccurate test results" patented technology

The invention belongs to the technical field of power robots. The transformer automatic flexible butt joint oil taking system comprises an oil taking box and an oil taking robot, the oil taking robot comprises an oil taking robot chassis, an automatic butt joint device and an oil sample extracting device, and the automatic butt joint device and the oil sample extracting device are installed on the oil taking robot chassis; the oil taking tank comprises a flexible butt joint oil taking opening fixed to an oil taking tank body, a fixed rod and a movable rod assembly, the automatic butt joint device comprises a guiding butt joint mechanism and a flexible butt joint oil taking mechanism, and the guiding butt joint mechanism is used for being matched with the fixed rod and the movable rod assembly for guiding butt joint. The flexible butt joint oil taking mechanism is used for being in flexible butt joint with the flexible butt joint oil taking opening. Manual operation is replaced through automatic cooperation of the oil taking robot and the oil taking tank, the automatic docking device is applied, the operation process is optimized, the operation and maintenance efficiency and safety of the electric power system are improved, and the risk of manual operation is reduced.

The invention belongs to the technical field of electroencephalogram signal detection, and particularly discloses an epilepsy electroencephalogram signal detection system and method based on a diffusive attention model.The system comprises an acquisition unit, a signal processing unit, a signal processing unit and a signal processing unit, the reconstruction unit is configured to be used for inputting the preprocessed electroencephalogram signals into a distraction attention model for denoising and extracting features related to epileptic seizure at the same time; wherein the distraction attention model reconstructs a signal by using a diffusion model through step-by-step denoising, and introduces an adaptive gradient correction term to iteratively optimize the signal; in the reconstruction process of each stage, the extraction of epileptic seizure related features is enhanced through a self-adaptive attention mechanism; and the detection unit is configured to use a classifier to classify the epileptic seizure related features to obtain an epileptic seizure detection result. According to the method, the feature extraction capability of the high-dimensional noise electroencephalogram signals is improved, and the accuracy of epileptic seizure detection is remarkably improved.

The invention discloses a differential lock comprehensive testing device, relates to the technical field of automobile power assembly detection, solves the problems that manual differential lock testing is troublesome in operation and inaccurate in testing result, adopts a material conveying line body and a material carrying table to convey a differential lock to a jacking assembly, and utilizes a robot carrying assembly to clamp and move the differential lock to a bearing table. A shell of the differential lock is limited, then the test piece moves downwards until the spline rod is inserted into the differential lock, the spline rod is connected with one half shaft gear, then the drive motor drives the shell of the differential lock to operate, meanwhile, the hysteresis brake gives out test load force, and a planetary gear in the differential lock is limited; detection can be carried out through the torque sensor and the pressure sensor, obtained data are transmitted to the control system in the electric cabinet to be recorded and analyzed, carrying is carried out through the robot carrying assembly after testing is completed, manual carrying and testing are not needed in the whole operation process, and therefore the problems that manual testing of the differential lock is troublesome in operation and inaccurate in testing result are solved.

The invention relates to the technical field of probe card testing, and particularly discloses a probe card full-automatic testing system and a testing method.The probe card full-automatic testing system comprises a testing box, a conveying frame is fixedly arranged in the testing box, the left side and the right side of the conveying frame penetrate through the left side and the right side of the testing box, and a discharging frame is fixedly arranged on the rear portion in the testing box; and one side of the discharging frame extends to the rear part of the testing box. By synchronously recording the test parameters of each probe card, detailed data support is provided for subsequent quality analysis, the surface quality of the probe cards is checked before testing, the defective probe cards can be removed in time, invalid test processing on the defective products is avoided, and for the probe cards produced in batches, the test efficiency is greatly improved. The pre-screening mode can greatly improve the overall test efficiency, not only saves the test time, but also improves the utilization rate of test resources, reduces the operation time and energy consumption of equipment, and reduces the operation cost.

The utility model provides a sludge specific resistance measuring device, and belongs to the technical field of sludge specific resistance measuring devices. The sludge specific resistance measuring device comprises a suction filtration cylinder and a Buchner funnel inserted into a pipe opening of the suction filtration cylinder, a sealing sleeve is arranged on the edge of the pipe opening of the suction filtration cylinder in a surrounding mode, a counterweight sleeve is arranged on a funnel neck of the Buchner funnel, a valve is arranged on a pipeline c, the sludge specific resistance measuring device further comprises a timer, and the timer is electrically connected with a vacuum pump and a normally-open electromagnetic valve. After the determination time is up, the vacuum pump and the normally-open electromagnetic valve can be automatically closed to release pressure in the buffer tank, so that the problem that the detection result is influenced as the suction time of the filtering device by the existing determination device exceeds the preset time is solved; the balance weight sleeve enables the Buchner funnel to be always in a fit state with the sealing sleeve, so that the sealing performance of the Buchner funnel and the suction filtration cylinder is enhanced, and the problem that the detection result is inaccurate due to air leakage caused by untight sealing in the use process is avoided.

The invention relates to the technical field of intraocular pressure measurement, and aims to solve the problems that a contact type intraocular pressure measuring head of an existing intraocular pressure meter is in direct contact with a cornea, the risk of corneal epithelium injury and infection exists, the measurement result is influenced by the thickness and curvature of the cornea, the requirement on an operator is high, the cooperation of a subject is needed, and the process is tedious. The invention provides a portable non-corneal contact intraocular pressure measuring device and method.The portable non-corneal contact intraocular pressure measuring device comprises a detection mechanism assembly, a shell, a control system circuit and a fixing band, the device is fixed to the head of a subject through the fixing band, and the subject receives measurement when the eyes are closed; the push rod and the strain gauge are used for completing intraocular pressure measurement by making contact with the eyelids rather than directly making contact with the surfaces of eyeballs, measurement data of the intraocular pressure are obtained through signal changes generated by deformation of the strain gauge covering the surface of the flexible film, the problem that a detection result is inaccurate due to blinking of a subject is solved, and operation is easy.

A spontaneous combustion alarm device for a high-low voltage power distribution cabinet belongs to the technical field of spontaneous combustion alarm of electric cabinets, aims to solve the problem of inaccurate detection caused by dust accumulation on the surface of a smoke alarm in long-term use, and comprises a power distribution cabinet body and breathable filter plates fixedly mounted on two sides of the power distribution cabinet body. When spontaneous combustion occurs in the power distribution cabinet, a large amount of smoke is generated, when the exhaust fan drives gas in the power distribution cabinet body to flow, the generated smoke is discharged outwards along the exhaust fan, and the smoke is in contact with the smoke alarm and triggers the smoke alarm in the process of discharging the smoke outwards. The smoke alarm gives an alarm, transmits a signal to the audible and visual alarm and gives an alarm at the same time, when the exhaust fan drives air to flow, large airflow is discharged outwards from the breathable filter plate, and the airflow drives the cleaning structure to clean the detection surface of the smoke alarm in the outward flowing process, so that the detection surface is always in a clean state; the problem that the detection result is inaccurate due to surface dust accumulation after long-time use is solved.

The utility model discloses a computer hardware performance detection device which comprises a detection table, the upper surface of the detection table is fixedly connected with two symmetrical first side plates, one side face of each side plate is rotationally connected with one end of a transmission shaft, the outer side of the transmission shaft is fixedly connected with two symmetrical chain wheels, and the outer sides of the chain wheels are provided with conveying chains. A first motor is fixedly installed on the upper surface of the detection table, and the output end of the first motor is fixedly connected with the sector gear. According to the computer hardware compression resistance detection device, computer hardware can be subjected to continuous compression resistance detection through the chain wheel, the conveying chain, the driven gear, the sector gear, the connecting plate, the lifting plate and the pressing plate, the detection efficiency is effectively improved, and the practical use effect of the detection device is enhanced; the problem of inaccurate detection result caused by non-uniform pressure of the pressing plate on the computer hardware is avoided, waste parts do not need to be taken out by workers, and the labor amount of workers is reduced.

The invention discloses an aperture testing method of a hard carbon negative electrode material and application thereof. The testing method comprises the following steps: preparing an alkaline caramel stock solution from glucose; preparing a potassium dichromate standard solution; identifying a caramel solution; making a caramel solution concentration-absorbance standard curve; the method comprises the following steps: heating and mixing m0g of a hard carbon sample and V0mL of a caramel solution with the concentration of C0g / L, centrifuging for the first time, taking supernate, centrifuging for the second time, absorbing V1 mL of supernate obtained after the second time of centrifugation, measuring absorbance A at the wavelength of 426nm, and calculating the mass m of residual caramel and the decolorization rate M of the caramel according to a formula I, a formula II and a formula III. The invention discloses an aperture testing method of a hard carbon negative electrode material and application of the aperture testing method, by adopting the testing method, the aperture of the hard carbon material can be tested, the mesopore development degree can be represented, the testing is simple and convenient, and the testing accuracy is high.

The utility model discloses a probe adjusting device. The probe adjusting device comprises a fixed seat; the two bearing pieces are arranged on the fixed seat, and the bearing pieces are arranged in an elastic mode; the two probes are arranged on the two bearing pieces in a one-to-one correspondence mode, and the two probes can abut against the same chip pin; the needle pressure adjusting mechanism comprises a connecting plate and two elastic assemblies, one end of the connecting plate is fixedly connected to the fixing base, the other end of the connecting plate extends to the bottom of the bearing plate, the two elastic assemblies are arranged on the connecting plate, the two elastic assemblies correspond to the two bearing parts one to one, and the two elastic assemblies are arranged on the connecting plate. The elastic assembly can continuously provide elastic force for the top of the bearing piece. And the leveling assembly is movably arranged on the fixed seat, and the leveling assembly can drive one of the bearing parts to be lifted. According to the invention, the heights of the two probes are kept consistent, so that the accuracy of a test result is improved.

The utility model discloses a paint drawing instrument for detecting an anticorrosive coating of a crane body. Comprising a quick-release drawing head, a spindle, a pressure-resistant connecting pipe, a pressure regulating piston and a pressure gauge, wherein the spindle is used for being adhered and fixed on the surface of an anticorrosive coating and is movably mounted at the lower end of the quick-release drawing head; the pressure-resistant connecting pipe is connected to the upper end of the quick-release drawing head; the pressure regulating piston is arranged above the pressure-resistant connecting pipe; the end, away from the quick-release drawing head, of the pressure-resistant connecting pipe is connected with a connecting straight pipe, the upper end of the connecting straight pipe is movably connected with a first connecting bent pipe through a first rotating connector, the end of the first connecting bent pipe is movably connected with a second connecting bent pipe through a second rotating connector, and the second connecting bent pipe is connected with the pressure adjusting piston through a pressure-resistant extension pipe. When the device is used, the pressure regulating piston can swing up and down and left and right relative to the quick-release drawing head, the movement range is enlarged, and the distance is prolonged through the pressure-resistant extension pipe, so that the influence of external force on the quick-release drawing head and a spindle is avoided, the accuracy of a detection result is improved, and the quality of an anticorrosive coating of a product is ensured.

The utility model relates to the technical field of metal film thickness monitoring, and discloses a metal film thickness detection device, which comprises a control module, a waveform generation module, a sensor, a sampling module and a signal modulation module, and is characterized in that a communication end of the control module receives command signals, and a first output end of the control module is connected with an input end of the waveform generation module; the second output end is connected with the first input end of the signal modulation module; the input end of the waveform generation module inputs driving signals, and the output end of the waveform generation module is connected with the control end of the sensor; the detection end of the sensor covers a detected metal film; the input end of the sampling module is connected with the output end of the sensor, and the output end of the sampling module is connected with the second input end of the signal modulation module; the first input end of the signal modulation module inputs modulation signals, and the output end of the signal modulation module is connected with the input end of the control module. According to the utility model, the bias and amplification parameters of the detection device can be adjusted, so that the detection device can be matched with sensors with different resolutions.

The utility model relates to the technical field of microphone anti-interference devices, in particular to a microphone anti-interference device. The microphone comprises a circuit board and a mounting hole, the circuit board is screwed into the microphone through a mounting hole screw, the upper end of the circuit board is provided with an anti-interference circuit module and a welding point, the upper end of the circuit board is provided with a clamping assembly and a wiring assembly, the clamping assembly comprises a cylinder, and the cylinder is provided with a clamping groove. The cylinder is fixed to the circuit board through glue, a circular ring is fixedly connected to the upper end of the cylinder, a clamping mechanism is arranged on the inner wall of the circular ring, and a wire in the circular ring is clamped by means of the clamping mechanism, so that the problems that a power line of a microphone needs to be welded to the circuit board, and whether the circuit board is normal or not needs to be tested before welding are solved; usually, a power line held by a hand is in contact with a welding point, so that the power line held by the hand may shake at the welding point, and a test result may be inaccurate.

The invention discloses a detection device for an enhanced modified foaming cement insulation board, and relates to the technical field of insulation board detection.The detection device for the enhanced modified foaming cement insulation board comprises a base, a lifting table is fixedly installed at the top of the base, and a first hydraulic cylinder is fixedly installed at the top of the lifting table; a second hydraulic cylinder is fixedly installed on the surface of the lifting table, a detection mechanism is arranged on the inner wall of the lifting table, and the centering device comprises a clamping plate, a first inclined plate, a centering plate, a second inclined plate, a water tank, a water spraying pipe, a collecting box and a telescopic rod. According to the detection device for the enhanced modified foaming cement insulation board, the second inclined plate moves to drive the centering plate to move so as to push the insulation board to move towards the centering position, and it is ensured that the insulation board is kept at the stable and centering position in the detection process, so that uneven pressure distribution caused by position deviation or inclination is avoided; therefore, more accurate pressure data can be obtained, and errors are reduced.

The invention discloses a tension testing device for cable detection, and relates to the field of tension testing devices, the tension testing device comprises a testing rack, the testing rack is movably provided with a testing pull-up seat, and the testing pull-up seat is provided with a pull-up clamp; the device further comprises a cable position detection device, and the cable position detection device is installed on the test rack. It needs to be explained that in the embodiment of the invention, sudden stop is triggered through mechanical swing of the cable holder, the skew fault can be identified in the initial stage, the tension coaxiality deviation caused by skew cable clamping and deformation and sinking of the pull-up seat is avoided, and the major safety accident of cable collapse is effectively avoided; according to the cable tension test device, the test data distortion caused by such factors is eliminated, the accuracy and repeatability of a cable tension test result are ensured, meanwhile, through reverse mechanical triggering, real-time detection and sudden stop of tiny deformation and sinking of the pull-up seat are realized, and hidden safety hazards are eliminated in advance.

The application discloses a blasting simulation test device based on a safety protection barrier test, which comprises a protection box, the top of the protection box is connected with a mounting cover, the top end of the protection box is provided with an observation window, the top end in the protection box is connected with an operation plate, the bottom end in the protection box is provided with a lifting mechanism, the bottom of the operation plate is fixedly connected with symmetrical supporting rods, the end portions of the two supporting rods are fixedly connected with supporting plates, the lifting mechanism is connected with the supporting plates, the first simulation buildings are fixed on the top center of the operation plate, and four first simulation buildings are equidistantly arranged around the first simulation building, when the blasting test is carried out, the vibration wave influence of the four first simulation buildings around the first simulation building can be observed through the blasting of the explosive agent in the first simulation building, the influence of the multiple first simulation buildings in the test can be obviously observed, the accuracy of the test is improved, and the situation that the test result is inaccurate due to the accidental situation of the single first simulation building is avoided.

The utility model relates to steel net tension test technical field discloses a kind of steel net tension test equipment, including support mechanism, the lower fixed mechanism is attached to the support mechanism upper surface, the upper fixed mechanism is fixedly arranged on the lower fixed mechanism upper surface, the support mechanism includes placement table, four sliding grooves are opened in the placement table upper surface, four The sliding groove inside is slidably provided with sliding block, the upper surface one side middle position of four The sliding block is screw set with third fixed knob, four The sliding block one end is fixedly provided with cross bar, four The cross bar both ends are fixedly provided with limit plate, the limit plate one side surface is fixedly provided with third antiskid pad in multiple. In the utility model, by adjustable fixed mechanism, magnetic attraction fixed design and stable support structure, effectively solve the problems existing in the prior art, improve the precision, stability and efficiency of steel net tension test.

This invention relates to the field of data anomaly detection technology, and more particularly to a method and system for detecting data anomalies at voltage monitoring points in a distribution network. The method includes the following steps: acquiring voltage data from the voltage monitoring points of the distribution network according to a preset sampling frequency; removing zero-value and null-value data from the voltage dataset to obtain a first dataset to be detected; performing limit-crossing detection on the first dataset to be detected to obtain a limit-crossing value dataset; performing a first-level detection on the limit-crossing value dataset according to the quartile data spacing criterion, and removing data with abnormal detection results in the first-level detection to obtain a second dataset to be detected; performing a second-level detection on the second dataset to be detected according to the median deviation method to obtain a first anomaly dataset. This invention can remove interference items through a two-layer identification method, making the identification results more accurate and effectively solving the problem of inaccurate results in current data anomaly detection methods for voltage monitoring points in distribution networks.

The present invention belongs to the technical field of tire detection, and discloses a self-repairing tire inner coating peeling strength testing device, including a base and a support plate, and also including: a heating plate; a clamping mechanism, including a first electric telescopic rod, the output shaft of the first electric telescopic rod is fixedly installed with an extrusion disk for fixing the tire on the base; a detection mechanism, including a support ring, the upper end face of the support ring is installed with a first round roller and a second round roller, and a torque sensor is installed inside the first round roller, a third round rod is installed at the center of the support ring, and an extrusion block is installed on the outer wall of the third round rod; a knocking mechanism, which is arranged on the outer wall of the extrusion disk, includes a plurality of sliders, a second round rod and two springs are installed on one side of the slider, and the two springs are located on both sides of the second round rod, and a knocking rod is installed on the lower end face of the second round rod. The present invention solves the problem that the existing device cannot judge whether the coating is torn or partially peeled off, resulting in inaccurate test results and the inability to test tires at different temperatures.

The application relates to the technical field of testing equipment, in particular to a fixing device of conduction testing equipment. The fixing device is characterized in that a base is arranged on a workbench, a bearing jig for placing a product to be tested is arranged on one side of the base, a pressing block is hinged on the side of the base close to the bearing jig, a driving assembly is arranged on the base, the product to be tested is placed on the bearing jig, the product to be tested is connected to a testing instrument, then the driving assembly drives the pressing block to press down the product to be tested on the bearing jig, thereby avoiding the problem that the product to be tested shakes and displaces during the testing process, leading to inaccurate testing results, when the testing is completed, the driving assembly drives the pressing block to release the product to be tested, so that the product to be tested after the testing is taken down, the testing operation is facilitated, and the testing efficiency is improved.

This invention relates to the field of database testing technology and discloses a database fuzzing method based on copy-on-write. The method includes: initializing a persistent layer to obtain a baseline storage state; creating a temporary layer and associating it with the persistent layer to form a union storage view; during test case execution, redirecting write operations to the temporary layer via copy-on-write, while read operations are read from either the temporary or persistent layer depending on whether the data exists; after testing, deleting and rebuilding the temporary layer to quickly restore the initial state; and repeating this process until all test cases are completed. This application constructs a two-layer storage structure consisting of a persistent layer and a temporary layer, recording all test changes in the temporary layer. After testing, only deleting and rebuilding the temporary layer is needed to quickly reset the repository, avoiding a complete initialization process and significantly improving the efficiency of database fuzzing.

The invention relates to the technical field of performance testing, in particular to a bicycle saddle fatigue testing device. According to the device, a posture adjusting module and a pressure applying module control module are added on the basis of a traditional saddle fatigue testing device. And the posture of the saddle base can be changed through operation of a rotating shaft structure in the posture adjusting module. The irreversible deformation of the saddle in the test process is considered through the pressure module control module, the moment to be controlled is determined by detecting the moment when the irreversible deformation occurs, and the pressing depth of the pressure module is increased according to the surface deformation disorder at the moment to be controlled. According to the invention, the change of the gravity center of a human body in the use process of the saddle can be simulated, the reference of scene simulation is improved, the self-adaptive adjustment of the pressing depth is realized, and the problem of inaccurate test results caused by relatively small pressing depth is avoided.

The utility model provides a kind of 24 hours urine taking device, it is related to medical equipment technical field, including liquid storage barrel, the top end of liquid storage barrel is threadedly connected with round cover;Stirring assembly;Stirring assembly includes the threaded column of fixed connection in the bottom end of round cover, the outside of threaded column is equipped with sliding slot and is movably connected with stirring vane, the top end of stirring vane is fixedly connected with shaft, the top end of shaft is fixedly connected with connecting rod;In this way, through the up-and-down movement and rotation of stirring vane, ensure that urine sample is uniform, make detection result more accurate, truly reflect patient's physical condition, and the design of liquid taking column facilitates the extraction of urine sample, scale is convenient for fast and accurate measurement of total urine volume, improve detection efficiency, secondly blanking assembly can be conveniently and accurately added fixed preservative, in this way, urine composition is easily precipitated or stratified in urine taking process, resulting in local concentration difference when sampling makes detection result inaccurate problem can be effectively solved.

The present invention relates to the field of tool detection technology, and specifically to an automatic tool appearance detection device for aviation precision machining, comprising: a workbench, a drill tool is arranged above the workbench, and a detector is arranged on the outside of the drill tool; a mounting block is located on the upper side of the workbench, a mounting plate is fixedly installed on the side of the mounting block, and a supporting wheel is arranged at an angle; a rolling body is movably embedded in the lower end of the clamping block, and the rolling body is stuck in a spiral groove on the surface of the drill tool from top to bottom; the beneficial effect is: by arranging a clamping block above the drill tool, a rolling body is movably embedded in the lower end of the clamping block, and the rolling body is stuck in the spiral groove on the surface of the drill tool, and clamping rollers are rotatably installed on both sides of the clamping block, thereby ensuring that the drill tool of the device can rotate and move at the same time, so that the detector above it can perform a comprehensive detection of its surface, avoiding inaccurate detection results due to the local area of ​​the drill tool being blocked.

The invention relates to a test method and device, computer equipment, a storage medium and a computer program product, and the method comprises the steps: constructing a database instance corresponding to each processing node according to related hardware information of each processing node in a server, and then running the corresponding database instance on each processing node for testing to obtain a test result. According to the method, the database performance test is carried out by constructing the corresponding database instances on the processing nodes, the structure of the database can be adapted to or compatible with the architecture of the server, and the hardware environment of the server can be considered during subsequent database performance test; according to the method, the problem that the test result is inaccurate due to the fact that the influence of the hardware environment on the database performance is not considered in the prior art is solved, the multi-dimensional test environment of the software level and the hardware level is comprehensively considered, and the test accuracy of the database can be improved.

The application discloses a diabetes rapid detection device, relates to the technical field of diabetes detection, and is used for solving the problems that the existing device is inconvenient to replace a puncture needle structure and insufficient puncture depth leads to inaccurate detection results, and comprises a shell and a base, a detection element is arranged in the shell, a display screen and control buttons are arranged above the shell, a multifunctional blood sampling mechanism and a test paper card connecting mechanism are arranged in the shell; the shell is internally provided with a puncture needle assembly convenient to replace; the puncture needle assembly is rebounded through adsorption and release of an electromagnetic part, puncture and blood sampling are carried out, the maximum puncture depth of the puncture needle is adjusted through the adjusting effect of a puncture needle limiting bolt, adjustment is carried out according to actual conditions, the accuracy of detection results is ensured, and the safety of puncture operation is ensured through the sterilization of the disinfectant liquid on the disinfection cotton on the front side of the puncture.

The utility model relates to the technical field of new energy cable stretching detection, in particular to a new energy cable stretching detection device. According to the technical scheme, the device comprises a detection box, wherein a detection groove and an equipment groove which are used for cable stretching detection are formed in the detection box; the detection mechanism is arranged in the detection groove and the equipment groove; the motor is installed on one side of the detection box, and an output shaft of the motor is connected with the detection mechanism. According to the utility model, the motor in the detection mechanism is matched with related structures, a plurality of telescopic rods and a plurality of claw hooks to perform reciprocating stretching on different parts of the middle part of the cable, so that the problem of inaccurate detection result caused by single direction when the cable is stretched can be effectively avoided; and by performing synchronous zoning stretching on different positions of the cable, the cable stretching detection result is greatly improved.

The utility model discloses a slurry detection device and battery production equipment, and relates to the technical field of battery production, in the slurry detection device, when a power pump works, a flow path with controllable flow can be formed at an opening of a first pipeline, and a first conductor is embedded in the side wall of the first pipeline; at least part of the first conductor is exposed on the side wall of the first pipeline to form the first electrode, so that an independent first electrode does not need to be arranged, parts of the slurry detection device are reduced, and the cost is reduced; the first electrode is arranged close to the open hole, the second electrode is immersed in a flow path of the battery slurry, the voltage collector collects a voltage signal of the flow path between the first electrode and the second electrode, and the processor determines a detection result of the metal particles in the battery slurry according to the voltage signal. The detection efficiency and the detection accuracy are greatly improved, and due to the fact that the detection result is fed back in time, the situation of poor batch of pole pieces is avoided.

The invention relates to the field of analytical chemistry, in particular to a method for determining the content of LL37 in an LL37-coated ZPF-2 compound and a gel thereof by adopting a high performance liquid chromatography, carrying out an in-vitro release test on the LL37-coated ZPF-2 compound gel by adopting a vertical diffusion cell method, and then determining the release amount of the LL37 at each time point by adopting the high performance liquid chromatography, so as to obtain the in-vitro release rate. According to the content detection method disclosed by the invention, the content of LL37 in the LL37-coated ZPF-2 compound and the gel thereof is measured by adopting a high performance liquid chromatography through exploration of specific detection conditions and repeated test screening, and the method is simple to operate, high in specificity and high in sensitivity, has good precision and durability, and can be used for detecting the content of LL37 in the LL37-coated ZPF-2 compound and the gel thereof. Meanwhile, by changing different adding sequences of water and a citric acid-sodium citrate buffer solution, the problem of inaccurate detection result caused by different dissolution rates of LL37 and LL37 ZPF-2 compounds in the same solvent system is solved.