17results about How to "Avoid inaccurate test results" patented technology

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 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 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 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 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 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 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.

The application relates to the technical field of wet tissue production equipment, and the wet tissue detection device comprises a rack, the upper surface of the rack is fixedly connected with a conveying mechanism, the conveying mechanism can send a wet tissue body to be detected into a detection area along a specified direction, one side of the conveying mechanism is fixedly connected with a machine box, a liquid crystal touch screen is installed in the machine box, the upper surface of the conveying mechanism is fixedly connected with a light box for providing a light source, the surface of the light box is fixedly connected with a support, an industrial camera one is fixedly connected to the support, a material pushing air cylinder is fixedly connected to the inner wall of the support, and the upper surface of the conveying mechanism is provided with a posture adjusting device for adjusting the posture of the wet tissue body. The wet tissue detection device solves the problems that when the wet tissue passes through the detection area, part of the packaging corners exceeds the ROI detection range, the packaging defects in the exceeding area cannot be effectively identified, and finally the detection is missed, resulting in inaccurate overall detection result.

This utility model relates to the field of waterproof membrane testing technology, specifically disclosing a waterproof membrane thickness testing device, including a support frame for support, a winding assembly disposed on one side of the support frame, and a testing component mounted on the winding assembly. The winding assembly includes a winding rod and a movable rod. A pulley and a drive motor mounted on the bottom of the pulley are disposed at the bottom of the winding rod. The drive motor is mounted inside the support frame. This utility model uses a flaw detector (such as an ultrasonic flaw detector) to test the waterproof membrane. This flaw detector utilizes the principle of ultrasonic waves propagating in different media and reflecting at interfaces, accurately measuring the thickness of the membrane without damaging it. This avoids the inaccurate test results caused by traditional testing methods that damage the outer surface of the membrane and have difficulty controlling the degree of damage. It can accurately measure the thickness of the membrane and detect internal defects such as bubbles and cracks, greatly improving the comprehensiveness and accuracy of the testing.

The application provides an eye imaging emotion detection method and system based on a three-flow convolutional neural network, which comprises the following steps: acquiring an eye image, an optical flow image and a paradigm image; inputting the eye image, the optical flow image and the paradigm image into a three-flow convolutional neural network model; extracting time features of the eye image, space features of the eye image and paradigm semantic features of the paradigm image by using the three-flow convolutional neural network model; fusing the time features, the space features and the paradigm semantic features to obtain fused features; inputting the fused features into a full connection layer to calculate a classification result label of the eye image by using a combination function; and outputting a classification result according to the classification result label. The method can obtain more accurate eye change features from the eye image by using the time features, the space features and the paradigm semantic features of the eye image, and thus can detect the emotional changes of individuals, and can improve the accuracy of the detection result and solve the problem of inaccurate detection result when detecting the emotions of individuals.

The utility model provides a high-temperature-resistant particle sensor which comprises a detection instrument, a matched support is installed on one side of the detection instrument, a cooling device is installed on one side of the matched support, the cooling device comprises a fixing frame, the fixing frame is fixedly installed on one side of the matched support through a fastener, and the fixing frame is fixedly installed on the other side of the matched support. A heat dissipation air duct is arranged on the matched support, a cooling fan is installed on one side of the heat dissipation air duct, and a heat dissipation copper pipe is installed between the fixing frame and the matched support. According to the utility model, through the cooperation of the heat dissipation copper pipe and the cooling pipe, high-temperature gas passing through the cooling pipe can be introduced into the heat dissipation copper pipe for active cooling, so that the high-temperature gas is prevented from damaging a detection instrument, and meanwhile, the high-temperature gas is prevented from being cooled by using a relatively long pipeline; the inaccurate detection result caused by the fact that dust particles in the gas are attached to the inner wall of the pipeline is prevented, and the practicability of the product is improved.

The utility model relates to the technical field of flood control dam detection, and discloses a water conservancy flood control dam reinforcing structure detection device which comprises a bearing block, the outer wall of the bearing block is fixedly connected with a support, the inner wall of the support is rotatably connected with a connecting rod, and the outer wall of the connecting rod is rotatably connected with a first hydraulic rod. An extension block is rotatably connected to the inner wall of the connecting rod, a fixing rod is slidably connected to the inner wall of the extension block, a pushing rod is rotatably connected to the inner wall of the connecting rod, the outer wall of the sliding clamping jaw is slidably connected to the inner wall of an adjusting ball, and an electric push rod is fixedly connected to the outer wall of the adjusting ball; a detection rod is fixedly arranged at the output end of the electric push rod, and a moving assembly is arranged on the upper surface of the bearing block. According to the utility model, the first hydraulic rod is started to push the connecting rod to enable the extension block to move upwards, and the connecting rod drives the push rod to enable the sliding clamping jaw to move, so that automatic alignment can be realized by utilizing gravity, and the effect of saving time and energy of detection personnel is achieved.

The utility model belongs to the technical field of medicine manufacturing, and particularly relates to an auxiliary device for monitoring temperature change in a product sterilization process. The auxiliary device comprises a main cylinder, an observation cover and an end cover, the main cylinder is made of a corrosion-resistant metal material, a sealing body used for inserting a temperature detection probe in a sealing mode is arranged on the end cover, and the end cover and the observation cover with the perspective performance are arranged at the two ends of the main cylinder in a sealing mode respectively. According to the technical scheme, the main cylinder can be heated and cooled together with a product, and a stable temperature field is provided for a temperature sensor for monitoring the temperature of the product in the whole sterilization process. The main cylinder can provide a stable temperature field and can be used repeatedly. Therefore, the problems of non-uniform temperature distribution and poor stability of the reference bottle / reference bag in application are solved, the situation of leakage caused by damage is avoided, and the auxiliary device can be used for sterilizing products with different volumes and has relatively good flexibility and applicability.

The utility model relates to quality detection equipment technical field, concretely relates to a kind of pop rivet quality detector, including detector table, and pop rivet fixing base is equipped on detector table, and integral ring is equipped on pop rivet fixing base, and pop rivet body is passed through in ring;Detector table is equipped with appearance detection component, and appearance detection component includes industrial camera, and industrial camera is installed just above pop rivet body, and industrial camera is connected with the display of one end by wire;Detector table is also equipped with angle adjusting component, and angle adjusting component includes cross limiting block, and cross limiting block is embedded with the cross end cavity of pop rivet body, by setting angle adjusting component, control motor drives adjusting tooth to rotate, and then drive gear and movable shaft to rotate, realize that cross limiting block drives pop rivet body multi-angle rotation, without manual adjustment pop rivet angle, compared with artificial visual detection, greatly improve the detection efficiency, avoid the problem of low efficiency caused by long time detection of artificial.