122results about How to "Avoid detection errors" patented technology

The invention relates to the technical field of instrument calibration, and particularly discloses a gas detection instrument prediction calibration system and method. The analysis module is used for determining a detection method of the zero drift phenomenon of the electrochemical gas sensor to be calibrated based on the use environment type; the calibration module is used for determining real-time calibration or periodic calibration of the electrochemical gas sensor in response to the occurrence of the zero drift phenomenon and the abnormal opening state of the electrochemical gas sensor; the evaluation module is used for determining the long-term zero point stability degree or the real-time signal fluctuation degree to evaluate the calibration precision according to the calibration method; the adjusting module is used for determining whether to update the environment compensation coefficient and adjust the calibration interval duration for the next calibration according to the evaluation result of the evaluation module; according to the invention, the accuracy of analyzing the use environment of the electrochemical gas sensor is improved, so that the accuracy of analyzing the zero drift phenomenon is improved, and accurate calibration is realized.

The invention relates to the technical field of electronic information, and provides a real-time monitoring and anomaly detection method for an AI independent key in an all-in-one machine product, which comprises the following steps of: firstly, acquiring a to-be-detected all-in-one machine, identifying the AI independent key in the all-in-one machine, monitoring a key trigger signal, inquiring a signal feature code, performing spectrum analysis to obtain a feature spectrum sequence, and extracting a spectrum key value; detecting a key response track corresponding to the frequency spectrum key value, performing dynamic regularization analysis to obtain a regularized track sequence, identifying track sequence parameters, calculating track response values, collecting the change trend of the track response values, determining a fluctuation amplitude value to determine an adjustment mode, identifying a key state, comparing state data to obtain state comparison parameters, and performing dynamic regularization analysis to obtain a state comparison result; and inquiring potential abnormal factors, determining an abnormal level and an analysis index, constructing an abnormal detection signal and generating an abnormal detection scheme. The key use stability of the all-in-one machine product can be improved.

The invention relates to the technical field of earthquake detection, and discloses a constant-pressure online detection device and method for the concentration and flow of gas escaped from a hot spring, and the device comprises a gas collecting hood, a buffer bottle, a gas flow detector, a constant-volume gas storage chamber, a constant-pressure detection valve, an online gas detector and a central controller; the gas collecting hood is arranged in a corresponding area of hot spring escape gas and collects the hot spring escape gas; the gas inlet end of the surge flask is communicated with the gas collecting hood through a pipeline, and the gas outlet end is communicated with the gas inlet end of the constant-volume gas storage chamber through a gas flow detector; the constant-volume gas storage chamber is communicated with an on-line gas detector pipeline through a constant-pressure detection valve, and when the air pressure value of hot spring escape gas stored in the constant-volume gas storage chamber is larger than a preset air pressure threshold value, the hot spring escape gas enters the on-line gas detector through the constant-pressure detection valve; the on-line gas detector is used for detecting gas components and concentration of gas escaped from the hot spring and sending detection data to the central controller.

The invention relates to the field of machining detection, and discloses a data analysis-based machined part automatic detection system, which comprises a detection module used for acquiring detection data; the detection data processing and analyzing module is used for judging whether the outer surface of the machined part is qualified or unqualified; the secondary verification module is used for carrying out secondary verification on the machined part of which the outer surface quality is judged to be unqualified, if the outer surface quality of the machined part is judged to be qualified for the second time, alarming is not carried out, and otherwise, the outer surface quality of the machined part is judged to be unqualified; the alarm module is used for sending an alarm signal to the machined part of which the outer surface quality is judged to be unqualified through the secondary verification module; the detection data processing and analyzing module is used for preliminarily judging the detection data, and then the secondary verification module is used for rechecking, so that the detection error caused by impurities on the surface of the machined part is prevented, and finally, the alarm module is used for giving an alarm to put the machined part into an unqualified area.

The utility model discloses a valve pressure test platform, which belongs to the technical field of valve detection equipment and comprises a vehicle body. The water tank is characterized in that the water tank cavity is a tank body with an open upper end, a supporting platform is arranged above the tank body, one side of the supporting platform is fixed to the side wall of a rotating connecting rod, and one end of the rotating connecting rod penetrates through the side wall of the upper end of the water tank cavity and is provided with a power structure through key connection; the end face between the upper clamping plate and the lower clamping plate is provided with a preset number of valve sealing connection sites matched with a pipe opening of a valve in a sealing mode. The multi-station valve pressure test platform has the beneficial effects that the multi-station valve pressure test platform which can be overturned and pressed by the air cylinder is higher in sensitivity compared with a mode of judging the air tightness by observing seepage by taking gas as a detection medium and soaking in liquid and observing bubbling; and ultrasonic treatment is carried out on the equipment, tiny bubbles left on the surfaces of the tool and the valve due to overturning are discharged, and the problem of detection errors caused by gathering of the tiny bubbles is avoided.

The utility model relates to a kind of airflow subsection screen filtering mechanism of laser gas analyzer, include box, gas inlet and gas outlet being arranged on box, filter mixing assembly being arranged in box and being interconnected by communicating pipe, suction pump and laser gas analyzer, gas shunt assembly of two end communication filter mixing assembly gas inlet end and suction pump gas outlet end;The filter mixing assembly includes the mixing box being arranged in box, filter assembly being arranged in mixing box, gas stirring assembly being arranged on filter assembly and rotating by airflow;The gas shunt assembly can make the gas flowing from mixing box again flow back into mixing box;The utility model continues to guide the gas flowing from mixing box gas outlet end to the place of mixing box gas inlet end by gas shunt assembly, so that gas is filtered and stirred again, so that gas is more uniform, avoid detection error, and when gas flows, it can produce the power of rotation for gas stirring assembly, so that motor drive is not needed.

This utility model discloses a wire harness sheath airtightness testing device, comprising: a testing box, a box cover on the top of the testing box, an air pump fixedly connected to one end of the top of the box cover, a fixed structure at one end of the air pump, a driving mechanism on one side of the testing box, a gas sensor fixedly connected to the inner side wall of the testing box, a pressure sensor fixedly connected to the other inner side wall of the testing box, a detector fixedly connected to one end of the outer side of the testing box, a vacuum pump fixedly connected to the back of the testing box, and an extraction pipe fixedly connected to the vacuum pump's extraction port. During installation, the wire harness sheath is simply placed on the connecting pipe. After inflation, the gas pressure expands the sealing ring, automatically pressing the sheath into the groove to form a tight seal, eliminating the need for manual stretching. When helium is filled, the sheath naturally straightens, ensuring uniform gas distribution and avoiding testing errors caused by traditional stretching. The system is equipped with an electric push rod for one-button opening and closing of the box cover, and features a detachable bolt design for easy maintenance.

The application provides a detection tool for bonding the current collecting piece, and the detection tool is provided with a clearance space corresponding to the through hole. The clearance space is designed at the center of the detection tool corresponding to the through hole. Since no glue is arranged at the clearance space, when the current collecting piece is pulled by using the detection tool, the welding condition can be accurately judged through the detection result, the glue flowing into the through hole is avoided to cause detection error, and thus the detection precision is increased.

The present application relates to the field of flaw detection equipment, especially to a mine mechanical welding flaw detection device, comprising a detection moving table and a workpiece mounting table; the detection moving table moves transversely and reciprocally, a mechanical arm is arranged on the detection moving table, and a weld detection assembly is arranged on the arm of the mechanical arm; the number of the workpiece mounting tables is two, and each is located at the side of the detection moving table; the workpiece mounting table comprises a longitudinal moving conveying table, the conveying direction of the longitudinal moving conveying table is arranged perpendicularly to the detection moving table, a horizontal turnover rack is arranged above the longitudinal moving conveying table, and the horizontal turnover rack is used for driving the welding piece to rotate; the workpiece is transferred, positioned, turned over and detected in the whole process of mechanization linkage, the traditional manual outer wall flaw detection mode is replaced, the labor intensity is greatly reduced, the detection error caused by human operation difference is avoided, and the stability of the flaw detection result is higher.

The utility model discloses a zipper visual detection device capable of reducing detection errors, which relates to the technical field of zipper detection devices and comprises a detection table and a frame. According to the detection table, a supporting frame is arranged on the left side of the bottom face, conveying rollers are rotationally installed in the supporting frame, a guide roller frame is fixed to the top face of the detection table, the frame is installed on the right side of the top face of the detection table, machine bases are fixed to the upper side face and the lower side face in the frame, and defect detectors are placed in the machine bases; a detection unit is arranged on the left side face of the frame, and a light supplementing unit is arranged on the surface of the frame. According to the zipper visual detection device capable of reducing the detection errors, impurities such as dust on the surface of a zipper can be removed by adopting a matched dust sticking roller, so that the situation that the follow-up detection accuracy is affected due to impurity attachment is prevented, meanwhile, the angle of an illuminating lamp can be adjusted according to different detection conditions, and the detection error is reduced. And the accuracy of zipper detection can be improved by matching with a flaw detector.

This utility model discloses a battery testing cabinet, which includes a cabinet frame and a series of components. The cabinet frame is divided into two parts: a battery receiving chamber and a battery testing chamber. The battery receiving chamber is equipped with multiple horizontal partitions and ventilation grids for storing batteries that have completed testing and improving heat dissipation. The battery testing chamber is equipped with a placement plate, an adjustment slot, a clamping plate, and an electrical connection assembly. The battery charge is detected by controlling the up-and-down movement of the electrical connection assembly through a lifting cylinder. The electrical connection assembly adopts a return spring design to provide buffer protection and avoid damage to the battery or equipment from rigid contact. This application can improve testing efficiency, enhance versatility and safety, and is suitable for battery testing needs in various scenarios.

The utility model provides a kind of cutter wear monitoring device for five-axis machining center, belong to machining center technical field, including monitoring component, including base, fixedly connected in the side wall of base support plate, slidingly connected in the side wall of support plate end portion side wall moving plate, slidingly inserted in the side wall of moving plate connecting plate and fixedly connected in the end of connecting plate detection head;Positioning assembly, including fixedly connected in the side wall of base support seat, fixedly connected in the side wall of support seat positioning block, fixedly connected in the side wall of support seat limiting plate and slidingly connected in the side wall of support seat sleeve tube.The utility model has the beneficial effects that: monitoring component passes through two-stage adjusting structure, realizes the multidimensional accurate alignment of detection head, ensures that detection direction and cutter wear surface are perpendicular, avoids the detection error caused by angle deviation;The cambered surface structure of positioning block adapts different diameter cutters, ensures that cutter is not loose after clamping, maintains the relative position stability of detection head and cutter, reduces monitoring error.

The invention relates to the technical field of visual inspection, and discloses a label surface pattern online detection device which comprises a main body box, detection tables are symmetrically arranged on the upper surface of the main body box, label bodies are placed on the upper surfaces of the detection tables, a supporting frame is arranged above the main body box, and a control box is fixedly installed at the top of the supporting frame; a detection head is fixedly connected to the bottom of the control box, a displayer is fixedly installed on the side face of the main body box, a leveling assembly is arranged above the detection table and comprises movable rolling wheels, the rolling wheels can roll along the surface of the label main body to level the surface of the label main body, and through the leveling assembly, after the rolling wheels are attached to the surface of the label main body, the surface of the label main body is leveled; the rolling device can roll along the surface of the label main body to flatten the surface of the label which may have wrinkles or bends, so that the influence of unevenness of the surface of the label on a detection result is eliminated, the surface of the label is in a flat state, and a detection head can accurately collect information of patterns on the surface of the label.

The invention discloses diesel engine crankshaft press-fitting equipment, and belongs to the technical field of diesel engine assembly.The diesel engine crankshaft press-fitting equipment comprises a rack, brackets are fixedly mounted on the two sides of the top of the rack, a same assembly table is slidably mounted in the two brackets, clamps are arranged on the two sides of the top of the assembly table, and moving mechanisms are arranged in the brackets; a jacking mechanism is arranged in the rack, the jacking mechanism controls clamping, jacking and rotating of the assembly table, and a press-fitting detection mechanism is arranged at the top of the rack; the press-fitting detection mechanism comprises a door frame, a mounting box, a lifting plate, a detection plate and a detection cylinder. The assembling table can be controlled to ascend, descend and rotate through the arranged jacking mechanism, so that a crankshaft is convenient to assemble, in-place crankshaft press-fitting detection and smooth rotation detection can be achieved at the same time through the arranged press-fitting detection mechanism, press-fitting accuracy is guaranteed, defective products are avoided, press-fitting detection is achieved by applying constant pressure, and the crankshaft press-fitting detection efficiency is improved. And the product is prevented from being damaged.

This utility model discloses a battery testing station, which includes a worktable, a screen bracket, a fixed platform, a column, a lifting cylinder, a sliding plate, a reinforcing crossbar, an extension frame, and a scanning gun. The lifting cylinder drives the sliding plate to slide up and down along the column, so that the electrode contact head on the extension frame accurately abuts against the battery electrode, while the scanning gun collects battery identification information. The positioning block ensures accurate battery positioning, and the straight groove design allows for flexible adjustment of the extension frame. This application can improve testing accuracy and efficiency, and is suitable for automated testing scenarios of batteries of various specifications, especially for the needs of large-scale production lines.

The utility model discloses a kind of agricultural product rapid detection sample fixing devices, it is related to agricultural product detection technical field, including main fixed seat and limiting component, the main fixed seat is integrated structure, and the protruding vertical plate is set in main fixed seat upper and lower ends, and limiting component includes micropore groove, negative pressure air suction pipe, mute vortex pump, lower electric push rod, lower arc limiting piece, upper electric push rod and upper arc limiting piece.The agricultural product rapid detection sample fixing device, limiting component makes the device can be realized to the agricultural product sample needing entire detection stable limit, ensure the stability of sample in detection process, avoid the detection error caused by moving or rolling, also can prevent sample from being contaminated or damaged in detection process, ensure the reliability and accuracy of detection data, by movable assembly, so that the device can limit and fix the agricultural product sample of local sampling, also can be automatically rotated, convenient for detecting multiple samples.

The utility model relates to the quartz stone board glossiness detection field, specifically disclose a kind of artificial quartz stone board glossiness detection device, including placing table and glossiness appearance, the inside both ends of through-hole are movably installed with first clamping plate and second clamping plate, the rear end fixed mounting of placing table has pneumatic cylinder, the top fixed mounting of placing table has mounting seat, the top of mounting seat is equipped with recess, the inside of recess is equipped with threaded sleeve, the top fixedly connected with link frame of threaded sleeve, the surface fixed mounting of mounting seat has first motor, the surface fixed mounting of link frame has second motor, fixed by the cooperation of first clamping plate and second clamping plate to plate material, pneumatic cylinder controls the movement of connecting plate and rack, the angle of first clamping plate and second clamping plate is adjusted, it is convenient to overturn after the plate material of fixed, and electric telescopic link and first motor control multidirectional detection to quartz stone board material, improve detection effect.

This utility model provides a flip-type circuit board precision detection and positioning device, relating to the field of circuit board detection technology, including a base plate; a flip assembly, the flip assembly including a support plate slidably connected to the base plate, a slider fixedly connected to one side of the support plate, a limit plate fixedly connected to the side of the slider away from the support plate, a toothed column fixedly connected to one side of the limit plate, a rotating wheel provided on one side of the limit plate, and teeth fixedly connected to the outer side of the rotating wheel; this design, through a handle and gear transmission structure, allows for flipping without removing the circuit board, simplifying the operation process; secondly, the engagement design of the pawl and ratchet ensures stable positioning of the circuit board after flipping, avoiding detection errors caused by shaking; and during installation, it can be adjusted according to the thickness and width of the circuit board, thus adapting to circuit boards of different specifications.

The invention discloses a programmable constant-temperature and constant-humidity test box based on uncooled infrared machine core assembly processing, and relates to the technical field of constant-temperature and constant-humidity test boxes, the programmable constant-temperature and constant-humidity test box comprises an experiment box, a placement groove is formed in the experiment box, a cover door is hinged to the outer side of the experiment box, and the programmable constant-temperature and constant-humidity test box further comprises a sensor assembly arranged in the cover door, the fixing plate is fixedly connected to the inner wall of the cover door, the outer side of the fixing plate is fixedly connected with a temperature sensor, an overtemperature protection sensor and a humidity sensor, the humidity sensor is sleeved with wet bulb gauze, and the outer side of the fixing plate is fixedly connected with a water tank; when the movable plate cleans the temperature sensor and the overtemperature protection sensor, the detection assembly detects the wet bulb gauze on the humidity sensor and detects whether the water absorption of the wet bulb gauze is kept within a specified range, and when it is detected that the water absorption exceeds the standard, the wet bulb gauze on the humidity sensor is automatically replaced through the replacement mechanism.

The invention provides an immunochromatography detection result reading method and device based on solid quantum enhancement, and relates to the technical field of immunochromatography detection. The immunochromatography detection result reading method comprises the following steps: emitting exciting light to a standard substance to excite the standard substance to generate a fluorescence signal for detection; microwaves are output to a standard substance, so that the standard substance generates spin resonance, and the intensity change of a fluorescence signal is caused; collecting the fluorescence signal after intensity change to obtain an optical detection magnetic resonance ODMR reference spectral line; determining a corresponding microwave calibration frequency according to the optical detection magnetic resonance ODMR reference spectral line; exciting light and microwaves which are calibrated according to the microwave calibration frequency and are subjected to amplitude or frequency modulation are emitted to a tested sample; and respectively detecting the fluorescence intensity variation of the quality control line and the detection line to obtain an immunochromatography detection result of the detected sample. The microwave frequency is calibrated by using the standard substance, the interference of background fluorescence is effectively shielded, and the detection sensitivity and accuracy are improved.

The utility model discloses a convenient detection positioning's skin detector relates to skin detector technical field, including skin detection frame, protective outer cover and positioning cavity, the outside installation of skin detection frame has the protective outer cover, the positive surface of skin detection frame is equipped with the positioning cavity, the inside symmetry of positioning cavity installs fixed inner plate, the head positioning frame is installed in the telescopic end of arc positioning telescopic link. The utility model discloses through being provided with positioning detection subassembly in the inside of positioning cavity, arc positioning telescopic link work drive head positioning frame moves to the outside of cavity and carries out positioning to the both sides of the head of detection personnel, and the both sides accurate positioning of head positioning frame to the head of detection personnel helps to ensure that the spectral imaging sensor and the face skin of detection personnel keep proper distance and angle, improves the accuracy and reliability of detection, and accurate positioning and the adhesion degree help to complete the detection process quickly, improve overall detection efficiency.

This invention discloses an air conditioning device that determines the initial and equilibrium temperatures of a power module; controls the compressor's operating state to ensure the IGBT output current has a relative zero temperature coefficient; determines the total power module losses at the equilibrium temperature based on the IGBT's relative zero temperature coefficient parameters; acquires the thermal resistance of the inverter driver and refrigerant radiator, and determines the theoretical temperature based on the thermal resistance and total losses; determines the theoretical temperature rise based on the theoretical and initial temperatures, and determines the measured temperature rise based on the equilibrium and initial temperatures; determines the deviation value based on the theoretical and measured temperature rises; acquires the standard deviation value, and compares the deviation value with the standard deviation value to determine whether the refrigerant radiator is qualified. The air conditioning device can intelligently assess the reliability of the refrigerant radiator and its installation.

This application belongs to the field of underground exploration engineering technology, specifically proposing a device and method for locating microfractures in deep salt caverns. The device includes: a surface excitation module, installed on the surface, for applying low-frequency micro-pressure fluctuation signals to the interior of the deep salt cavern and recording the phase timestamps corresponding to the low-frequency micro-pressure fluctuation signals; a downhole detection module, connected to the surface excitation module via a cable and suspended inside the deep salt cavern by the cable, for detecting high-frequency acoustic signals generated when gas leaks from the microfractures in the deep salt cavern and transmitting the high-frequency acoustic signals to a surface computing module; and a surface computing module, installed on the surface and communicatively connected to the surface excitation module and the downhole detection module, for performing phase-locked amplification processing on the high-frequency acoustic signals to locate the microfractures in the deep salt cavern. The technical solution provided by this application can improve the accuracy of locating microfractures in deep salt caverns.

This utility model discloses a surface defect detection device for rubber roller production, comprising a feeding assembly, a rotary drive assembly, a discharging assembly, and a vision inspection assembly. The feeding assembly includes a feed plate for the rubber rollers to be inspected, a feed lifting ramp, and a lifting assembly for orderly conveying the rubber rollers to be inspected. The rotary drive assembly includes an active drive shaft for roller rotation, a passive drive shaft for roller rotation, a roller rotation drive motor, and a drive shaft mounting bracket to ensure stable rotation of the rubber rollers. The discharging assembly includes a discharge lifting ramp and a collection trough for collecting the inspected rubber rollers. The vision inspection assembly includes a translational drive rail and a surface defect detection camera to achieve omnidirectional scanning of surface defects on the rubber rollers. This equipment has a high degree of automation, accurate detection, effectively improves the quality control level of rubber roller production, and ensures the surface quality of the rubber rollers.

The invention provides an air pre-heater leakage detection device. The air pre-heater leakage detection device comprises a moving structure, two mounting structures and two groups of detection structures, the moving structure is movably arranged on the supporting base surface; the two mounting structures are oppositely arranged on the moving structure; the two groups of detection structures are correspondingly arranged on the two mounting structures respectively, and each group of detection structures comprises a plurality of detection structures which are arranged at intervals; the installation structure comprises a ventilation pipeline connected with the air pressure sensor, each detection structure comprises an adaptation assembly used for adapting to a barrier at the pipe opening end face of the to-be-detected pipe fitting and an air pipe fitting arranged on the adaptation assembly, and the air pipe fitting is communicated with the ventilation pipeline so as to drive the air pipe fitting to stretch into a preset position in the to-be-detected pipe fitting through the adaptation assembly. The air pressure value in the to-be-detected pipe fitting is detected, so that the problem that a traditional air pre-heater leakage detection device in the prior art is not high in adaptability to environment factors such as welding seams and protruding pipe openings of the end face of an air pre-heater pipe is solved.

The utility model discloses a computer flat cable automatic detection device, and relates to the technical field of computer detection equipment. The utility model discloses an automatic detection device for a computer flat cable, and the device comprises a detection platform which is used for installing a to-be-detected computer; the number of the supporting columns is four, the four supporting columns are distributed on the outer edge of the detection table in a rectangular array mode, and a mounting table is arranged at the free ends of the supporting columns; the detection assembly is installed on the installation table, the detection assembly is right opposite to the table top of the detection table, and the detection assembly is used for detecting a to-be-detected computer; wherein a detection channel is arranged between every two adjacent supporting columns.