34results about How to "Not easy to interfere" patented technology

The utility model discloses a glove box glove flange, including outer ring body, inner ring body and frame board, outer ring body one end has the extension section, and the extension section is used for extending into glove box inside, and inner ring body is screwed with the extension section, and the other end of outer ring body has the fixed cylinder, and the frame board is connected with outer ring body through the cushion block, and the frame board slidingly fits with the movable plate, and the movable plate has the sleeve body, and the sleeve body is provided with movable cylinder, and the movable cylinder outer wall is provided with a plurality of first elastic ring, and a plurality of first elastic ring is opposite with the sleeve body inner wall, and the movable cylinder has the terrace for installing rubber gloves, and the movable plate inboard is equipped with the elastic sealing layer, and the elastic sealing layer is opposite with the fixed cylinder front end, and the movable plate can move along the frame board vertical, is used for driving sleeve body and fixed cylinder butt joint or staggered, can dismount the replacement of rubber gloves, in the process of replacing gloves, effectively avoid glove box inside long -time direct exposure in the air, effectively reduce the entry of external dust and other impurities, make the experimental environment of glove box inside not easy dust interference.

This utility model relates to the field of snow-throwing machine technology, and more particularly to a snow-throwing tube structure and a snow-throwing robot. The snow-throwing tube structure includes a tube body, a guide shell, a rotary drive assembly, an outer volute cover, and an inner volute cover. The guide shell is rotatably connected to the tube body. The outer volute cover is mounted on the guide shell, and a first internal space is provided between the outer volute cover and the guide shell. The inner volute cover is mounted on the tube body, and a second internal space communicating with the first internal space is provided between the inner volute cover and the tube body. One end of the inner volute cover is slidably inserted into the first internal space. The rotary drive assembly is mounted on the tube body, located in the first and second internal spaces, and connected to the guide shell, for driving the guide shell to rotate relative to the tube body. In this utility model, the rotary drive assembly and other components are always located in the sealed first and second internal spaces, avoiding interference from the external environment. The inner and outer volute covers also provide insulation for the rotary drive assembly.

The utility model discloses a tank body conveying mechanism which comprises a plurality of conveying structures used for enabling a tank body to move at a set speed, a feeding structure is arranged on the inlet side of one or more conveying structures, a plurality of positioning structures are correspondingly arranged on the conveying structures, and the conveying structures are divided by the positioning structures to form a plurality of retention intervals. And a plurality of tank bodies are closely arranged in the retention interval, and the feeding structure continuously acts to continuously feed the tank bodies of the previous conveying structure into the inlet side of the next conveying structure and drives the tank bodies in the next conveying structure to move in the process. The feeding structure can be arranged on the outer side of the conveying structure, so that transmission of the conveying structure is not prone to being interfered, on the other hand, the feeding structure can control the feeding frequency to a certain degree, and therefore material balance between different conveying structures is coordinated.

The utility model relates to a kind of circuit board shielding structures of anti-electromagnetic interference, including mounting plate, shielding cover is equipped on the mounting plate, the end surface of the shielding cover is equipped with connecting plate, connecting plate is equipped with engaging piece on shielding cover, connecting plate is equipped with movable plate extending to the inside of shielding cover, the limiting assembly for being used to limit circuit board is equipped on the movable plate, the limiting assembly includes the two U-shaped covers of being oppositely arranged and being arranged on movable plate, the U-shaped cover is further equipped with abutment plate, spring is equipped between the abutment plate and U-shaped cover.The utility model is equipped with shielding cover cooperation mounting plate and connecting plate, can carry out all-round protection to circuit board, so that external electromagnetic is not easy to cause interference to circuit board, and by the limiting assembly set on movable plate, the fixing mode of circuit board becomes simple and convenient, without using any tool, circuit board can be easily taken out, effectively improve the convenience of later circuit board maintenance.

A range hood has a recessed cavity at the bottom of its fixed housing to accommodate a lifting air intake. The lifting air intake has a smoke-collecting chamber. An oil guide plate is provided on the front side of the recessed cavity. The front side of the oil filter plate at the top of the smoke-collecting chamber has a forward-sloping surface extending downwards. An oil guide connecting plate extending upwards and backwards is installed on the oil guide plate. The rear part of the oil guide connecting plate has an extension extending below the forward-sloping surface. A first oil guide groove is formed between the oil guide connecting plate and the oil guide plate. Oil falling into the first oil guide groove enters the oil cup through oil guide channels on both sides of the fixed housing. The first oil guide groove of this range hood can smoothly guide the condensed oil on the front side. After setting the oil guide connecting plate, the height of the rear plate below the oil guide plate, which cannot hold oil, is reduced, and the length of the forward-sloping surface in the front-back direction is shortened. This helps to reduce the size of the air intake, making it less likely for the air intake to interfere with the solid housing. Sufficient installation space is left on the front side of the bottom of the housing for installing components such as lighting. The structural layout is more compact and reasonable.

This application relates to the field of switch box manufacturing, and in particular to a switch box assembly device, which includes a platform, a feeding assembly, a flipping assembly, and a positioning assembly. The feeding assembly is fixedly connected to the platform, and has a loading port and a unloading port at both ends. The feeding assembly is used to transport workpieces from the loading port to the unloading port. The flipping assembly is fixedly connected to the feeding assembly and is located near the loading port. The flipping assembly is used to flip the workpiece. The positioning assembly is fixedly connected to the feeding assembly and is located on the side of the flipping assembly away from the loading port. The positioning assembly is used to position the workpiece. The workpiece is fed from the loading port, the flipping assembly flips the workpiece so that the receiving groove of the workpiece faces upward, the feeding assembly transports the workpiece, and the positioning assembly positions the workpiece, facilitating the installation of various components in the receiving groove and improving production efficiency.

The utility model discloses a circuit that realizes current sharing through master-slave parallel connection, and the master and multiple slaves are connected in parallel, and are connected to the current sharing control bus through isolation chip, TTL and differential mutual conversion unit, information gate switch in turn respectively, and constitute parallel current sharing circuit, including the current reference circuit of host computer issue and the processing circuit after slave computer receives the current reference signal from host computer. After multiple instrument power supplies are connected in parallel, the user sets master-slave parallel connection mode in front panel of power supply, and selects a master, and others are slaves, when multiple power supplies work in parallel, the master sends current reference signal to current sharing control bus through current reference generation circuit, and the slave outputs corresponding current value according to the current reference signal sent by the master. One of multiple instruments can be selected as master module, and it is high in flexibility and good in stability, has the characteristics of simple wiring and control, low control signal transmission loss, control signal is not easy to be disturbed, all power module output control is balanced and the like.

The invention discloses a method for selectively removing tetracycline antibiotics in water, and relates to the field of wastewater treatment. The core technology of the method is as follows: the TCs in the water are selectively removed by using complex interaction between background matrixes such as Mn (II) and HCO3 in the wastewater and the TCs and adding an oxidizing agent H2O2 at the same time. The method can selectively and efficiently remove TCs in water, has the advantages of simplicity in operation, low cost, environmental friendliness, difficulty in interference of background matrixes and the like, has a wide application prospect in the field of water pollution control, and is a new discovery for developing a water pollution control technology based on pollutant properties and the background matrixes in water.

The invention discloses a fluorescent substrate 7-HC-P-E, a preparation method thereof and application of the fluorescent substrate 7-HC-P-E in detection of the active concentration of alkaline phosphatase (ALP). The fluorescent substrate can be catalytically hydrolyzed by ALP under an alkaline condition to release 7-hydroxycoumarin (7HC) with a strong fluorescent signal, so that high-sensitivity and high-specificity detection on the enzyme activity is realized. The invention further provides a synthesis route and an optimization process of the fluorescent substrate, the operation is simple and convenient, the product purity is high, and the fluorescent substrate is suitable for multiple fields such as biological analysis, medical diagnosis and environmental monitoring.

The utility model relates to the field of oil detection, in particular to an oil quality comprehensive detector, which is characterized in that a viscosity detection module, a moisture detection module, a flash point detection module, a micro oil pump and a control valve are arranged in a case; one end of the micro oil pump is connected with the control valve, and the other end is connected with an external oil sample bottle; the control valve is respectively connected with the viscosity detection module and the moisture detection module; an oil inlet and an oil outlet are formed in a case body of the case, the micro oil pump is connected with an external oil sample bottle through the oil inlet, and the viscosity detection module is connected with the external oil sample bottle through the oil outlet. The oil sample comprehensive detection device integrates the viscosity detection module, the moisture detection module and the flash point detection module, is compact in structure and convenient to carry, and can rapidly and conveniently carry out oil sample comprehensive or independent detection. The oil viscosity is detected through a falling ball method, and compared with traditional capillary detection, the applicable viscosity range is wider, and the adaptability is better. The moisture detection adopts a chemical detection principle, is more accurate and is not easy to interfere.

The application discloses a kind of logic prototype component determination method, device, equipment and medium, is relevant to component selection technology field.The component to be checked, equipment load matching parameter is matched;Obtain the loop parameter of the component to be checked in the current loop of logic prototype;According to the check rule between the standard characteristic parameter of the component to be checked and the loop parameter pre-stored in logic prototype, the selection of the component to be checked is determined.The method is pre-stored in logic prototype in the standard characteristic parameter, equipment load characteristic parameter, so that in logic prototype, component, equipment load matching parameter can be completed;Because the check rule between the standard characteristic parameter of the component to be checked and the loop parameter pre-stored in logic prototype, therefore, logic prototype can directly according to check rule automatically complete the check of the selection of component, and not easy to be interfered by human factors, greatly improve the efficiency, accuracy of component selection.

This application relates to the field of bearing machining, and in particular to a precision eccentricity adjustment device for centerless grinding of bearing rings. It includes a lower jaw disc, a sleeve, an eccentric wheel, an upper jaw disc, and a rotating column. The lower jaw disc has a coaxial through-hole. The sleeve includes an upper cylinder, a connecting ring, and a lower cylinder. The inner diameter of the upper cylinder is larger than the outer diameter of the lower cylinder. The inner wall of the connecting ring is coaxially and fixedly connected to the outer wall of the lower cylinder, and the outer wall of the connecting ring is coaxially and fixedly connected to the inner wall of the upper cylinder. The lower cylinder is coaxially and rotatably connected to the inner wall of the through-hole. The eccentric wheel is coaxially embedded in the upper cylinder and has a waist-shaped opening. The length direction of the waist-shaped opening is along the radial direction of the eccentric wheel. The upper jaw disc is located on the side of the upper cylinder away from the lower jaw disc. The rotating column is coaxially and fixedly connected to the upper jaw disc and slidably connected to the inner wall of the waist-shaped opening. The upper jaw disc is used to fix the bearing ring, and the lower jaw disc is used to fix the disk. The distance the rotating column moves is the eccentricity value, which brings the bearing ring into contact with the disk, facilitating pre-adjustment of the eccentricity value and improving the machining efficiency of the bearing ring.

The application discloses a flexible instrument robot and an operating handle of the flexible instrument robot. The operating handle comprises a handle body, the handle body comprises a first handle part and a second handle part, the first handle part and the second handle part are rotationally connected to switch between an open state and a closed state, in the closed state, an accommodating channel is formed between the first handle part and the second handle part, the accommodating channel comprises a first section and a second section, the first section is tightly matched with the flexible instrument, and the second section is loosely matched with the flexible instrument. The operating handle can be adapted to clamp the bending area of the flexible instrument, and has relatively better versatility.

The invention provides a dairy cow ketosis regulatory gene prediction system based on multi-omics analysis and machine learning, which belongs to the technical field of molecular breeding and disease prevention and control, and comprises a data acquisition and preprocessing module, a feature set establishment module, a machine learning model establishment module and a result evaluation module, the method comprises the following steps: integrating dairy cow genome, transcriptome and metabolome data, screening candidate regulatory genes through whole genome association analysis, gene differential expression analysis, cis-eQTL positioning and co-positioning analysis, and constructing a gene expression feature set; core regulation genes are screened through L1 regularization penalty by means of a Lasso model, weights are distributed, model parameters are optimized in combination with grid search and cross validation, and model performance is evaluated through an ROC curve and an AUC value. According to the invention, an integrated technical system from gene screening to risk prediction is constructed, efficient screening of the core regulation gene and accurate prediction of ketosis risk are realized, and the economic loss of breeding is effectively reduced.

The invention belongs to the technical field of cement, and discloses a method for rapidly testing pozzolanic activity of a pozzolanic material, which comprises the following steps: step 1, preparing a simulated pore solution of cement paste; 2, respectively adding samples of a plurality of types of pozzolanic materials into the corresponding simulated pore solutions, and dispersing to obtain corresponding sample suspensions; 3, quantitatively taking the sample suspension of each sample, and carrying out Zeta potential test; 4, fitting the Zeta potential of each sample and the corresponding intensity activity index to obtain a fitting curve; and step 5, taking a sample to be tested, testing the Zeta potential of the sample to be tested according to the process from the step 1 to the step 3, and determining the strength activity index of the sample to be tested based on the fitted curve. According to the invention, the test is rapid, simple and convenient, the detection time is greatly reduced, and the interference of human factors is avoided.

The application discloses a portal crane sling positioning plate mounting method, belongs to the related technical field of the sling, and is characterized in that the upper surface of the sling is provided with front and rear positioning plates at both ends; a front scanner scanning surface intersects with the rear positioning plate, the rear positioning plate surface is inclined forward, namely, the rear is high and the front is low, and the vertex of the rear positioning plate scanned by the front scanner is a front scanner positioning plate detection point; a rear scanner scanning surface intersects with the front positioning plate, the front positioning plate surface is inclined backward, namely, the front is high and the rear is low, and the vertex of the front positioning plate scanned by the rear scanner is a rear scanner positioning plate detection point. The application is used for solving the technical problems of the prior art, such as water accumulation in the positioning plate, poor detection reliability of the positioning point and poor shielding performance.

This invention relates to the field of line installation technology and discloses an adaptive docking method and system for multi-specification surge arrester leads. The method includes: determining the specification type and end oxidation degree of the leads to be docked using a multi-modal sensing model based on acquired multi-modal data; the multi-modal sensing model is configured to fuse lead image data and eddy current signal data based on an attention mechanism, and to use radial stiffness data as a guiding signal to weight and enhance the fusion result of the attention mechanism; matching the corresponding docking process procedure from a process database based on the specification type, end oxidation degree, and radial stiffness data from the multi-modal data; and performing cleaning processing based on a target preprocessing strategy and crimping operation based on target crimping process parameters according to the docking process procedure to obtain the docking result. The method provided in this application improves the adaptability and crimping quality of surge arrester lead docking.

This invention discloses a high-precision positioning and welding device for semiconductor equipment. The device includes a first robot, a workpiece positioning stage, a second robot, a laser welding head, a sensing module integrating laser and infrared sensors, a thermal excitation module, and an intelligent monitoring unit. This invention achieves precise detection of micro-assembly gaps and accurate workpiece positioning by fusing laser visual geometric scanning and active thermal excitation infrared imaging before welding. Pre-welding predictive planning utilizes low-power preheating to calibrate the thermal deformation model and optimize the welding path. During welding, online thermal deformation prediction based on real-time infrared temperature field and weld laser tracking compensation dynamically offset thermal deformation interference. Post-welding, the entire process data is traceable, enabling model self-optimization. This invention solves the problems of difficult detection of micro-defects and difficulty in compensating for dynamic thermal deformation in precision welding, significantly improving the welding accuracy and process stability of semiconductor equipment.

This utility model discloses a fire extinguishing device, including a fire extinguishing agent storage tank, a connecting valve, and a glass bulb temperature sensing unit. The fire extinguishing agent storage tank has a liquid storage chamber inside, storing fire extinguishing agent and pressurized gas. The fire extinguishing agent storage tank also has an outlet connecting to the liquid storage chamber. The connecting valve is detachably installed at the outlet and has an outlet channel. Multiple multi-hole nozzles are located on the side of the connecting valve, and these nozzles are connected to the outlet through the outlet channel. A movable sealing element is provided between the multi-hole nozzles and the outlet channel. The glass bulb temperature sensing unit is installed on top of the connecting valve and limits the sealing element to maintain its sealing state. When the ambient temperature exceeds the critical temperature of the glass bulb temperature sensing unit, the unit breaks, and the sealing element, driven by the pressurized gas, changes from a sealing state to a releasing state, allowing the multi-hole nozzles to connect to the outlet through the outlet channel. This utility model's technical solution can improve the reliability of the fire extinguishing device.

The invention relates to the technical field of intelligent recognition, in particular to a voiceprint-based vehicle load variation recognition method and system, and the method comprises the following steps: collecting sound signals generated when a vehicle passes through a deceleration strip when the vehicle is driven into and out of a specific place, a driving-in sound signal and a driving-out sound signal of the same vehicle are associated in combination with license plate recognition; the collected sound signals are preprocessed; extracting a time domain feature, a frequency domain feature and a time-frequency domain feature of the preprocessed sound signal; on the basis of the extracted features, feature vectors of the driving-in sound signal and the driving-out sound signal are generated respectively; and calculating the Euclidean distance between the feature vectors of the driving-in sound signal and the driving-out sound signal by adopting an Euclidean distance multi-scale entropy algorithm, and judging whether the load of the vehicle varies or not according to the Euclidean distance in combination with the driving speed of the vehicle. By adopting the method, the vehicle load variation can be effectively identified, and the method has the characteristics of low deployment cost and high robustness.

The application relates to the technical field of monoclonal antibodies, in particular to a MxA monoclonal paired antibody and application, which comprises MxA mAb 01 and MxA mAb 02, the heavy chain sequence of MxA mAb 01 is shown as SEQ ID NO:1, and the light chain sequence is shown as SEQ ID NO:2; the heavy chain sequence of MxA mAb 02 is shown as SEQ ID NO:3, and the light chain sequence is shown as SEQ ID NO:4. The MxA monoclonal paired antibody has high specificity and high sensitivity, can keep stability under various experimental conditions, is not easily interfered by external factors, and thus the accuracy and reliability of detection results are guaranteed. The paired antibody is suitable for biochemical immunoturbidimetric detection, immunochromatographic detection and ELISA and multiple detection fields, and can realize rapid, efficient and high-sensitivity clinical detection of MxA antigen.

The application relates to the technical field of cargo entry and exit detection systems, and provides a method for detecting the entry and exit state of articles, which comprises the following steps: S1: starting detection in response to a cabinet door opening instruction; S2: when a sensing detection module outputs a detection change signal, determining a detection change area where a state change occurs according to the detection change signal; the sensing detection module comprises magnetic sensors arranged in different detection areas and magnetic pieces that move with the articles; the detection change signal is generated by the magnetic sensors sensing the state change of the magnetic pieces; S3: acquiring a detection change image for the detection change area; S4: acquiring article information and an article access state based on the detection change image, and updating or recording the article information according to the article access state. Based on this, the real-time performance and detection accuracy of reading can be improved.

This invention discloses an automatic charging rack for refrigerated containers, relating to the technical field of container charging. It includes: a support frame with at least two parallel layers, each supporting frame comprising a first charging side and a second charging side arranged opposite to each other, with multiple charging sockets distributed along a first direction on both sides; a plugging / unplugging mechanism, including a robotic arm and a walking component connected to the robotic arm, the robotic arm being used to plug and unplug the charging plug of the refrigerated container into the charging sockets; a translation mechanism, the walking component being capable of moving and transferring along the first direction between the translation mechanism and the support frame; the translation mechanism being capable of moving along a second direction between the first and second charging sides; and a lifting mechanism connected to the translation mechanism, used to drive the translation mechanism to vertically lift and lower between the support frames. This invention can increase the number of refrigerated containers that can be charged on a single automatic charging rack, improving the equipment utilization efficiency of the automatic charging rack.

The application relates to a puncture surgical robot and a sterile cover for an interventional puncture surgical mechanical arm. The sterile cover comprises a protective sleeve, at least one profiling piece and a first fixing structure. The protective sleeve is used for sleeving an execution end; the at least one profiling piece comprises a moving profiling piece, the moving profiling piece has an opening, the profiling piece is communicated with the protective sleeve through the opening, and the profiling piece is used for adapting to the shape of an execution mechanism of the execution end to be sleeved outside the execution mechanism; and the moving profiling piece is fixedly connected with the execution mechanism through a second fixing structure, so that the cross-sectional dimension of the sterile cover in a first direction can be effectively reduced, that is, the redundancy of the sterile cover is reduced, and the risk of infection caused by the puncture needle puncturing the sterile cover is avoided.

This application provides a PCB integrated power module. The PCB integrated power module includes a PCB board, a substrate, and power chips. The power chips include a control electrode, a first power terminal, and a second power terminal. The power chips include a first power chip and a second power chip. The PCB board includes adjacent and mutually insulated first and second metal layers. The gate traces of the first power chips are disposed on the first metal layer and correspondingly connected to the control electrode of the first power chip. The second metal layer has a metal connection region that is not at the same potential as the second power terminal of the first power chip. The area of ​​all the gate traces of the first power chips facing the metal connection region does not exceed 20% of the sum of the areas of all the first power chips.

The invention discloses a soft start circuit for a DC-DC switching power supply chip and a control method thereof, the soft start circuit comprises a soft start control circuit, a drive circuit, a power full bridge, an isolation transformer and a rectification circuit which are electrically connected in sequence, the soft start control circuit generates N groups of output signals, the N groups of output signals are sequentially jumped into effective signals according to a preset time interval; the power full bridge comprises N groups of full bridge units which are connected in parallel; the rectifying circuit is connected with a secondary side inductor of the isolation transformer, receives energy of the isolation transformer and converts the energy into a direct-current power supply for output; the feedback circuit is used for detecting whether the output voltage of the rectifying circuit reaches a feedback signal of a rated value or not and feeding back the feedback signal to the soft start control circuit; an output signal of the soft start control circuit and a feedback signal are subjected to logical operation to generate an enable control signal, the drive circuit is controlled through the enable control signal to drive the corresponding full-bridge units, and the magnitude of the start current is controlled through the number of the driven full-bridge units.

The utility model discloses a kind of radiation protection cabins, including first pair of protective panel, moving device and jacking mechanism, two protective panels are lead glass and lead plate respectively, the horizontal section of protective panel is all symmetric structure smooth multisection line of arc and several line segments, second protective panel is provided with operating port, the vertical position of first protective panel corresponding operating port is set vertical strip-shaped opening, strip-shaped opening width is greater than or equal to operating port width, jacking mechanism is set between two protective panels, jacking mechanism is the angle and length variable triangular jacking rod device symmetrically arranged with the symmetry line of protective panel as symmetry axis, one angle of the jacking mechanism is fixed right angle, moving device is set in second protective panel bottom. The device adopts triangular support mode to jacking, effectively avoid the influence from non-vertical force, so that the protective cabin is more stable when operating, not easy to be disturbed.

The utility model discloses a prefabricated wallboard, and relates to the technical field of prefabricated walls, the key points of the technical scheme are as follows: the prefabricated wallboard comprises a wallboard body and an anchoring steel bar, the anchoring steel bar comprises a fixing part and an adjusting part, the fixing part comprises a hollow round rod, the adjusting part comprises a long rod and an L-shaped frame, the hollow round rod is provided with a chute, and the adjusting part is provided with a limiting piece. Before the prefabricated wall panel is hoisted, the limiting piece is detached firstly, so that the long rod can rotate in the hollow round rod, when the prefabricated wall panel is hoisted to be matched with the embedded steel bar, the round rod is rotated, so that the L-shaped frame can slide along the sliding groove, and therefore the adjusting part is not prone to interfering with a steel column on a construction site; the possibility that the anchoring steel bar interferes with the steel column is reduced in a rotating operation mode, compared with an existing mode that the anchoring steel bar is bent manually, the arrangement is more labor-saving, and when the long rods are rotated, the L-shaped frames welded to the same long rod can synchronously rotate, so that the angle adjustment of the L-shaped frames is more time-saving.

The application discloses a microstructure measurement method and device, electronic equipment and storage medium, comprising setting an acoustic load layer on the surface of a sample to be detected, the acoustic load layer is a substance in colloidal form, testing the sample to be detected based on a resonant structure array, obtaining multiple thickness data of the acoustic load layer on the surface of the sample to be detected, determining target thickness data of the acoustic load layer from the multiple thickness data, the target thickness data being the maximum value in the multiple thickness data, determining thickness data of the surface protrusion of the sample to be detected based on the target thickness data and non-target thickness data, the non-target thickness data being thickness data excluding the target thickness data from the multiple thickness data. The embodiment of the application realizes the measurement of the thickness information of the surface to be detected based on the acoustic load periodic modulation principle of the high-order overtone bulk acoustic wave resonator, and the method has the characteristics of high reliability and no loss to the surface of the sample to be detected.