108results about How to "Timely detection" patented technology

The invention discloses an intelligent detection system and method applied to a power adapter, and relates to the technical field of equipment intelligent detection, and the method comprises the steps: analyzing the equipment abnormity degree of the power adapter in a historical equipment detection record; obtaining an abnormal historical equipment detection record of the power adapter, obtaining feature operation data of the power adapter, and evaluating equipment operation parameters in the feature operation data and the equipment matching degree between the power adapter; acquiring a historical charging record and a historical charging priority setting record of the power adapter, and constructing a charging priority evaluation model of the power adapter based on the historical charging priority setting record; and charging the electronic equipment by using the power adapter, performing priority evaluation on the electronic equipment by using the charging priority evaluation model, performing equipment abnormal risk detection on the power adapter in combination with the operation data of the target equipment, and adjusting the charging strategy of the power adapter.

The invention provides a gas meter which is assembled on a gas pipeline and comprises a pressure detection module, a component detection module and a control module. The pressure detection module is used for detecting the pressure in the gas pipeline to obtain a pressure value; the component detection module is used for detecting the gas concentration in the gas pipeline to obtain a concentration characterization value capable of characterizing the gas concentration; the control module is in communication connection with the pressure detection module and the component detection module, and receives a pressure value sent by the pressure detection module and a concentration characterization value sent by the component detection module; the control module is further used for sending an alarm signal, and the alarm signal is generated when the concentration characterization value exceeds a preset range and the pressure value is lower than a preset pressure threshold value. According to the gas meter provided by the invention, the gas leakage condition and the gas exchange condition can be distinguished, so that the preset range of the concentration characterization value can be narrowed, whether air is mixed into the gas pipeline or not can be detected in time, and the gas use safety is improved.

The invention discloses a structure safety risk assessment and early warning safety monitoring system based on INSAR, and relates to the technical field of risk assessment. The elevation data of the structure and the elevation data of the terrain are obtained through the INSAR technology; establishing an initial structure model according to the elevation data of the structure, dividing the initial structure model into a plurality of areas, and generating a risk value corresponding to each area according to the elevation data of the terrain; setting a safety value, and generating a stable structure model according to the risk value and the safety value; setting a monitoring period, and regularly obtaining a real-time structure model according to the monitoring period; detecting whether a contact point exists between the real-time structure model and the stable structure model or not, and if yes, generating early warning information and a risk detection period; periodically generating a periodic structure model according to the risk detection period; acquiring an elevation difference value of the periodic structure model, and generating an elevation change rate according to the elevation difference value; and generating risk information and a new risk detection period according to the elevation change rate.

The invention discloses a power transmission line external damage detection method based on integrated target detection and incremental learning, and the method comprises the following steps: obtaining abnormal object picture data of a power transmission line, carrying out the data enhancement of the abnormal object picture data, and recording the data as enhanced data; establishing a hybrid model, and recording the hybrid model as an integrated model; training the enhanced data by adopting an integrated model, and recording the data as integrated data; deploying the integrated data to an edge server for detecting an abnormal object in a real-time image on the power transmission line; picture data with abnormal objects in the edge server is uploaded to a cloud server to serve as a new training sample for incremental learning, and the integrated model is updated; repeating the steps to realize continuous optimization of the system; if no abnormal object picture data exists, ending. According to the invention, through combination of incremental learning and an integrated target detection technology, accurate and timely detection of abnormal objects near the power transmission line is realized.

The utility model provides an efficient nondestructive testing device for engineering structure defects, which relates to the technical field of ship detection and comprises an inspection control box and a control mainboard, the bottom surface of the inspection control box is connected with electric control universal wheels, a guide motor is embedded in the inspection control box, and an output shaft of the guide motor is connected with a guide circular truncated cone. A telescopic air cylinder is embedded in the guiding circular truncated cone, the movable end of the telescopic air cylinder is in threaded connection with a cruise detector, the two sides of the cruise detector are connected with an ultrasonic detection head and a laser ranging head respectively, and the ultrasonic detection head and the laser ranging head detect and display the surface thickness, defects and internal foreign matter of the ship. Through angle rotation and height adjustment, coverage detection of all positions of the surface of the ship is met, efficient nondestructive detection of plates on the surface of the ship is achieved, the automation degree is high, manual intervention is not needed, autonomous cruising and autonomous detection integrated movement is integrated, the coverage range is wide, and the detection efficiency is high.

The high-precision riveting equipment based on visual compensation is applied to the technical field of riveting, during machining, the accumulated tolerance between a workpiece to be riveted and a target position can be obtained in a visual recognition mode, position compensation is carried out on the X axis, the Y axis and the angle, and compared with the prior art, the high-precision riveting equipment based on visual compensation has the advantages that the machining efficiency is improved; the influence of accumulated tolerance on the riveting precision is effectively eliminated, and the riveting precision and the qualified rate of workpieces are effectively guaranteed; meanwhile, in cooperation with the arrangement of the one-way offset detection unit, position detection can be carried out on each moving shaft in real time, tolerance can be conveniently found in time, the effect that shutdown compensation is carried out only when tolerance occurs is achieved, the situation that no offset tolerance occurs during regular detection compensation or corresponding compensation is not carried out in time due to the fact that offset tolerance occurs early is effectively avoided, and the working efficiency is improved. Therefore, the position compensation effect can be improved, the precision can be improved, meanwhile, the invalid shutdown compensation frequency can be reduced, and the influence of shutdown compensation on the riveting efficiency is reduced.

The invention discloses a lithium battery thermal runaway detection device, and relates to the field of battery thermal runaway detection. A gas flowing gap is formed between the battery body and the shell, a first shunting part is arranged in the shell, the first shunting part can move into or out of the gap, the gap is divided into a plurality of first channels in a first direction when the first shunting part moves into the gap, at least one detection device is arranged on one side of the shell, and the detection device is arranged on the other side of the shell. The first shunting piece is used for detecting thermal runaway data of the gap or the first channel and is connected with a first driving mechanism for driving the first shunting piece to move; according to the lithium battery thermal runaway detection device, through the arrangement of the first flow dividing piece, in the early stage of battery thermal runaway, escaped gas is restrained at the first channel where the first flow dividing piece belongs, the diffusible space of the gas is reduced, the gas concentration reduction degree is reduced, and the detection device can detect gas data information in the early stage of thermal runaway in time.

The invention relates to the field of polymer coating thickness measurement, in particular to a full-automatic conductive polymer coating device. Comprising a conveying unit and a coating unit, and the conveying unit comprises a first conveying assembly; the coating unit comprises a coating roller and further comprises an adjusting frame, and the coating roller is arranged on the adjusting frame. A detection unit is arranged on the adjusting frame and comprises a distance sensor; the conveying unit further comprises a second conveying assembly, a buffering unit is arranged between the first conveying belt and the second conveying belt, and the buffering unit comprises a negative pressure roller and a rotating power piece. An adsorption assembly is arranged on the negative pressure roller and comprises a plurality of negative pressure cavities and a plurality of adsorption openings, and the negative pressure cavities communicate with exhaust parts. The full-automatic conductive polymer coating device can assist in judging the coating thickness during coating.

The embodiment of the invention provides a battery thermal runaway detection method and device, electronic equipment and a storage medium, and relates to the technical field of new energy ship batteries. The method is applied to a controller of the battery thermal runaway management system, the battery thermal runaway management system further comprises a plurality of sensors of different types, and the sensors are in communication connection with the controller. The method comprises the following steps: controlling each sensor to respectively collect battery information of a target battery box according to a first preset collection frequency; the target battery box comprises a plurality of battery packs, and each battery pack comprises a plurality of single batteries. Judging whether the battery information meets any one of a plurality of preset battery thermal runaway conditions or not in real time; if yes, it is judged that thermal runaway happens to the target battery box. According to the invention, the thermal runaway of the battery in the battery cabinet can be detected more accurately and timely.

The utility model discloses an automobile torsion bar strength simple detection device comprising a pedestal, two parallel guide rails are arranged on the pedestal, one end of each guide rail is provided with a slide block, the other end of each guide rail is provided with a fixed block, a rotating shaft parallel to the guide rails in the fixed block is communicated with two sides of the fixed block, and one end of the front end of the rotating shaft located at the inner side of the fixed block is provided with a rotating disc. A mounting groove is formed in the axis position of the other side of the rotary disc, a mounting block is arranged in the mounting groove, and a fixing groove is formed in the mounting block. The beneficial effects of the utility model are that the utility model provides a simple and convenient automobile torsion bar strength detection device, through adopting a simple, convenient and rapid detection technology, the time of torsion bar strength detection is greatly shortened, compared with a traditional manual loading experiment, the novel device can realize timely and rapid detection, the detection period is reduced, and the detection efficiency is improved. The production efficiency is improved, and the rapid production line detection requirement is met.

The invention discloses a dynamic monitoring method for bag explosion and coal sample scattering of a packer and a related device, and belongs to the technical field of power plant fuel management. The method comprises the following steps: collecting a coal sample transportation image in real time through visual perception equipment on a transportation path after a coal sample is packaged; performing real-time analysis on the coal sample transportation image based on an image recognition algorithm, and detecting whether a coal sample scattering area exists or not; when a coal sample scattering area is detected, estimating the scattering amount according to image features of the scattering area; and if the scattering amount exceeds a preset threshold value, generating a bag explosion alarm signal. Through the three-level architecture of the sensing layer, the algorithm layer and the business layer, the problems of detection lag, high false alarm rate and insufficient data credibility in the prior art are solved, and dynamic, accurate and credible monitoring of the whole process of coal sample packaging and transportation is realized.

The invention provides a warehouse data processing method and device, a storage medium and electronic equipment, and relates to the technical field of computers. The method comprises the following steps: generating a serial number detection rule and a timed detection task of an article according to detection parameter information of the article in a warehouse; executing a timed detection task, and regularly performing traversal query in a warehouse article management database to obtain a warehousing serial number of the to-be-detected article meeting the serial number detection rule; verifying the warehousing serial number to obtain an abnormal serial number, and generating a serial number change task corresponding to the abnormal serial number; and executing the serial number change task to obtain a target serial number, and updating the abnormal serial number in the warehouse article management database by using the target serial number. According to the method, the serial numbers of the articles in the warehouse can be actively detected, the abnormal serial numbers are inquired, the abnormal serial numbers are changed through the serial number changing task, the labor cost is reduced, the articles with the abnormal serial numbers are prevented from being delivered out of the warehouse, and the article complaint rate is reduced.

The present invention belongs to the technical field of battery detection equipment, and discloses a detection device for a battery. The detection device for the battery includes a shell, a plug-in component and a moving component, wherein a driving component is arranged in the shell; the plug-in component is inserted into the shell, one end of the plug-in component is connected to the battery, and the other end is connected to the load or the detection component; the moving component can be selectively connected to the driving component by transmission, and includes a first moving component and a second moving component, wherein the first moving component drives the plug-in component to move along a first direction, so that the plug-in component is connected or disconnected with the load or the detection component, and the second moving component drives the plug-in component to move along a second direction, so that the plug-in component moves between the load and the detection component. The detection device for the battery provided by the present invention can remotely realize the conversion of the battery connection terminal device, facilitate timely detection of the internal resistance of the battery, and monitor the battery status online.

The invention relates to the technical field of electrochemical biosensors, in particular to preparation of a ratio type doxorubicin electrochemical aptamer sensor based on a single signal molecule, the sensor realizes double current signal output through the single signal molecule, and calibration-free rapid detection of doxorubicin is realized by utilizing a ratio signal. The method comprises the following specific steps: fixing an adriamycin aptamer modified with methylene blue on the surface of a gold electrode; performing electrochemical scanning in a buffer solution system (such as a 1 * PBS solution) by adopting a square wave voltammetry to obtain two current peak signals; and calculating the ratio of the two current peak signals to determine the doxorubicin concentration. According to the method, the sensitivity and the accuracy of detection are improved, the influence of environmental factors and sensor manufacturing changes on a detection result is reduced, and the calibration-free rapid detection of the concentration of the adriamycin is realized. The sensor can keep signal stability in long-time continuous testing, is suitable for rapid detection of adriamycin and has a wide application prospect.

The utility model relates to the technical field of rainfall detectors, in particular to a rainfall detector. A sliding frame is arranged in the mounting cylinder, a notch is formed in the front end of the mounting cylinder, the bottom plate slides in the middle of the sliding frame, a button is arranged in the lower end of the mounting cylinder, a motor controlled by the button to be started and stopped is mounted on the inner wall of the mounting cylinder, a clamping strip is fixedly connected to an output shaft of the motor, and a contact is fixedly connected to the lower end of the bottom plate; long holes are formed in the two sides of the sliding frame, sliding blocks are in sliding contact with the interiors of the long holes, a liquid pipe is rotationally connected between the two sliding blocks through rotating shafts, a clamping sleeve capable of being arranged on the clamping strip in a sleeving mode is arranged on one rotating shaft, and a spring is fixedly connected between the bottom plate and the sliding frame. A conical eave is buckled to the upper end of the mounting cylinder, a limiting ring is buckled to the upper end of the conical eave, the inner wall face of the limiting ring makes contact with the outer wall face of the liquid pipe, an insertion ring is buckled to the upper end of the limiting ring, and a funnel is fixedly connected to the insertion ring; the rainfall of rainwater in a unit range can be detected in time.

The embodiment of the invention discloses a cracking risk processing method and device, electronic equipment and a computer program product. Wherein the client calls a communication interface to establish at least two communication connections with the server side, calls a java layer communication interface to establish at least one type of communication connection with the server side, and calls a C / C + + language layer communication interface to establish at least one type of communication connection with the server side; respectively generating at least two messages by using the operation data of the client, and respectively sending the at least two messages to the server through the corresponding communication connections; and the server side detects whether the client side has a cracking risk or not by comparing the consistency of the operation data corresponding to the same request identifier. On one hand, the cracking difficulty of a client communication interface is reinforced through a C / C + + language layer communication interface; and on the other hand, through cross validation of the transmission layer, low-cost and high-reliability cracking risk detection is realized, so that the data authenticity is improved.

The utility model relates to a film thickness automatic detection device and solar cell production equipment. The film thickness automatic detection device comprises a loading mechanism, an identification mechanism, a sampling mechanism and a detection mechanism. The loading mechanism is used for loading coated silicon wafers and detection sample wafers, the identification mechanism is used for detecting refractive indexes of the coated silicon wafers and the detection sample wafers on the loading mechanism, identifying the detection sample wafers according to different refractive indexes of the coated silicon wafers and the detection sample wafers and obtaining position information of the detection sample wafers, and the sampling mechanism is used for picking up the detection sample wafers according to the position information. The detection sample is conveyed to the detection mechanism, and the detection mechanism is used for detecting the thickness of a film layer on the detection sample. According to the film thickness automatic detection device and the solar cell production equipment, automatic identification, pickup and automatic detection of the detection sample can be realized, manpower is saved, the detection sample can be detected in time, and the production efficiency can be improved.

This application provides a method, apparatus, electronic device, and storage medium for detecting deforestation in forest areas, relating to the field of artificial intelligence technology, to solve the problems of poor real-time performance and high detection costs in forest deforestation detection. The forest deforestation detection method includes: upon detecting the presence of a first feature in a first forest area image, detecting the presence of a second feature in a second forest area image. The first forest area image is acquired by a detection device installed on an outdoor tower. The second forest area image includes all or some features of the first forest area image, and includes the first feature, which is a feature matching the features of deforestation equipment, and the second feature is a feature matching the features of tree felling. If the second forest area image contains the second feature, it is determined that deforestation has occurred in the forest area corresponding to the second forest area image.

The present invention discloses a filtering device for water sample detection, including a workbench, a rotating seat driven by a rotating power element is arranged on the workbench, a plurality of fixed seats are arranged in an annular manner on the rotating seat, and a collecting and filtering mechanism is closely matched on the fixed seat; a vacuum pump is also arranged on the rotating seat, and a connecting mechanism is arranged between the vacuum pump and the collecting and filtering mechanism; the present invention also includes a support frame arranged on the workbench, a buffer cup is arranged on the support frame, the buffer cup is arranged above the collecting and filtering mechanism and is connected to each other, the buffer cup is in a sealed connection state when it cooperates with the collecting and filtering mechanism, and the buffer cup is also connected to a water sample conveying mechanism. The use of the filtering device for water sample detection greatly improves the filtering speed of the water sample, effectively reduces the filtering time, has a strong continuity of the working rhythm, and has high working efficiency; at the same time, it ensures the effectiveness of water quality detection.

The present invention discloses a method for detecting abnormal state of a vehicle battery, including setting a hydrogen adsorbent inside a battery cell of the vehicle battery, the hydrogen adsorbent absorbing hydrogen when the temperature is lower than a preset temperature and releasing hydrogen when the temperature is higher than a preset temperature; and during the operation of the vehicle battery, detecting the concentration of hydrogen in the gas overflowing from the pressure relief valve of the vehicle battery by a hydrogen sensor. The present invention sets a hydrogen adsorbent inside the battery cell, and in the early stage of thermal runaway of the battery, the hydrogen adsorbent adsorbs and accumulates the generated hydrogen; when the temperature is further increased, the hydrogen adsorbent releases the stored hydrogen, so that the hydrogen diffuses to the outside of the battery cell and is detected by the hydrogen sensor. By detecting the accumulated hydrogen generated in the early stage, the early thermal runaway of the battery can be detected more timely. Therefore, the present invention can judge the early stage of thermal runaway more quickly, and there is no need to modify the battery cell or implant a sensor inside.

The flow detection device comprises a shell, an airflow channel is arranged in the shell, and an air resistance structure is arranged in the airflow channel so that the airflow channel can be divided into an air inlet section located on one side of the air resistance structure and an air outlet section located on the other side of the air resistance structure. The air resistance structure is at least provided with a ventilation grid part in the middle area of the airflow channel, the shell is provided with a detection opening corresponding to the air inlet section and provided with a detection pipe extending into the air outlet section corresponding to the air outlet section, and the tail end of the detection pipe extends to the ventilation grid part to detect airflow passing through the ventilation grid part. The ventilation grating part is separated to form a plurality of airflow passing ports arranged in an array mode, airflow can be divided into a plurality of strands to pass through when passing through, the stability of the flow state of the airflow can be guaranteed, and the airflow can pass through the detection pipe in the air outlet section in a laminar flow state. The detection pipe can cross a viscous area close to the channel wall to directly detect the airflow in the central area of the airflow channel.

The invention discloses a method for rapidly determining the main content of sodium fluoride. The method comprises the following specific conditions: (1) preparing a fluorine ion standard working solution; (2) preparing solutions of an impurity sodium sulfate standard substance and a sodium chloride standard substance determined by an experimental reagent; (3) operation conditions of an ion chromatograph: a chromatographic column is an anion exchange chromatographic column; the detector is a conductivity detector; the column temperature is 40 DEG C; the sample size is 10 [mu] L; the concentration of the leacheate is 15mM KOH; the flow rate is 1.0 mL / min; the suppression current is 45 mA; the operation time is 30 minutes; and (4) an ion chromatograph test method: an area normalization method. The method is high in automation degree, simple and easy to implement and good in identification performance.

The invention provides a link detection system and method for a serializer / deserializer, and belongs to the technical field of link detection, and the link detection system runs in a system on chip, and comprises a detection module which comprises a register configured in the serializer / deserializer and based on a transmission control protocol / internetwork protocol, the detection module is used for periodically reading a register through an integrated circuit bus and generating a detection message; and the judgment module is connected with the detection module and is used for receiving the detection message and determining the connection state of the physical transmission link of the image acquisition data according to the detection message. The link detection mechanism of the serializer / deserializer provided by the invention has the beneficial effects that a TCP / IP protocol stack does not need to be integrated, the register configured in the serializer / deserializer is directly read through the integrated circuit bus of the system on chip so as to detect the connection state of a physical transmission link of image acquisition data, link faults can be timely and accurately detected, and the detection efficiency is improved. And meanwhile, the system power consumption increase caused by frequent link detection is avoided.

The utility model discloses an electromagnetic valve with an explosion-proof function, which comprises a valve body, an air inlet pipe is arranged on one side of the valve body, an air outlet pipe is arranged on one side, far away from the air inlet pipe, of the valve body, a pressure measuring pipe is arranged in the middle of the upper portion of the air inlet pipe, a fixing plate is arranged in the middle of the interior of the pressure measuring pipe, and a connecting rod is inserted in the middle of the fixing plate. The side, away from the air inlet pipe, of the connecting rod is fixedly connected with the pressing plate, the side, close to the air inlet pipe, of the connecting rod is fixedly connected with the second piston, a pressure sensor is arranged at the top in the pressure measuring pipe, and a buzzer is arranged on one side of the upper portion of the valve body. The electromagnetic valve is simple in structure, the pressure in the pipeline can be detected in time, the situation that danger occurs due to the fact that the pressure in the pipeline is too large is avoided, and the use safety of the electromagnetic valve is effectively improved.

The invention discloses a triple LAMP-LFD (loop-mediated isothermal amplification-lateral flow dipstick) detection kit for simultaneously detecting three bovine diarrhea syndrome viruses and a detection method thereof, and relates to the field of agricultural gene detection.The detection kit comprises a binding pad coated with a colloidal gold solution labeled by an antibiotin monoclonal antibody, a sample pad, an NC (nitrocellulose) membrane, an absorption pad and a quality control line C covered with a goat anti-mouse polyclonal antibody, the kit comprises a detection line T1 covered with an anti-digoxin antibody, a detection line T2 covered with an anti-ROX antibody, a detection line T3 covered with an anti-FAM monoclonal antibody, an LFB detection line, a primer designed aiming at M31182.1, a primer designed aiming at JN191349.1 and a primer designed aiming at JN790188.1; the detection method provided by the invention has the advantages of quick result, high cost benefit and higher accuracy.

The utility model belongs to the technical field of fire-fighting equipment, and discloses a top-hung type fire-fighting dry powder extinguisher, which comprises a high-pressure gas tank and a detector, compressed gas is filled in the high-pressure gas tank, the high-pressure gas tank is connected with a base stock bin through a pipeline, and the base stock bin is connected with the detector through a pipeline. Compressed gas is contained in a high-pressure gas tank, and chemical substances are contained in a base stock bin and mainly filled with sodium bicarbonate, ammonium carbonate and ammonium salt of phosphoric acid. The detector is used for detecting dense smoke, so that chemical liquid is prevented from being sprayed out by the spraying opening after a fire disaster occurs. The fireproof door has a fireproof function and economic value, and has a wide application prospect.

This invention relates to the field of coal mine safety production and occupational health protection technology, and discloses a dust monitoring and automatic dust suppression control system for coal mining environments, including a PM sensor, a central control unit, a dust suppressant spraying facility, a feedback optimization mechanism, and an electrical control system. The PM sensor is a high-sensitivity laser scattering sensor with automatic dust removal and temperature compensation functions, deployed at preset intervals to achieve real-time monitoring of dust concentration at multiple points. The central control unit, based on IoT and mechatronics technology, integrates data from multiple heterogeneous sensors such as dust concentration, temperature, and humidity to construct a dynamic spraying decision model with lithology identification capabilities, introducing a working condition correction coefficient α (α=k₁・S+k₂・R) to dynamically set a 4α mg / m³ trigger threshold. The dust suppressant spraying facility sprays environmentally friendly dust suppressant to form a fine mist that captures dust. The feedback optimization mechanism adjusts the spraying interval based on the concentration decay data after spraying. The electrical control system ensures safe operation through relay and contactor isolation design. This invention solves the problems of low efficiency, poor adaptability, water waste and easy equipment damage in traditional dust suppression methods, and achieves precise, efficient and safe dust control in coal mines, ensuring the health of workers and production compliance.

The invention discloses a blast furnace gas component measuring method and device and electronic equipment. The method comprises the following steps: acquiring current operation data of a boiler; calculating the mass of CO and the mass of H2 in the blast furnace gas based on the current operation data and a pre-established energy balance equation and a pre-established material balance equation; based on the blast furnace gas flow and the mass of CO and the mass of H2 in the blast furnace gas, calculating the ratio of CO and the ratio of H2 in the blast furnace gas; and correcting the CO ratio sum and the H2 ratio according to a periodically maintained deviation correction model to obtain a CO target ratio sum and an H2 target ratio. According to the blast furnace gas component measurement scheme provided by the invention, the blast furnace gas components can be accurately and timely detected.

The utility model provides a food drying device for food processing, which comprises a supporting bottom frame, machine bases are connected to the middle parts of the left side and the right side of the upper part of the supporting bottom frame through bolts, a control panel is connected to the middle lower part of the machine base on the left side through screws, and a rolling motor is connected to the middle part of the middle upper part of the machine base on the left side through bolts. According to the rotary net cylinder, food can be placed, rolling drying operation can be conveniently conducted, the fixing covers are connected to the left end and the right end in the rotary net cylinder through screws and can be detached and maintained, and the hinge is connected to the rear side of the inlet and outlet formed in the middle of the upper portion of the rotary net cylinder through screws. The inner side between the hinges is connected with the feeding and discharging cover through screws, the middle of the lower side in the feeding and discharging cover is provided with the opening and closing bolt, the feeding and discharging cover is buckled to the upper portion of the feeding and discharging opening formed in the middle of the upper portion of the rotary net cylinder, food can be placed or discharged in time, and operation is convenient.

The present application discloses a fault current detection device and method for intelligent switches. The fault current detection device includes a power supply module, a Hall current detection module and a signal amplification processing module. The power supply module is used to power the Hall current detection module. The Hall current detection module collects the current signal in the target circuit and sends the current signal to the signal amplification processing module. The target circuit is used to power the target device. The signal amplification processing module compares the voltage value represented by the current signal with the set threshold value. When the voltage value represented by the current signal is greater than or equal to the threshold value, the signal amplification processing module amplifies the current signal and outputs it as a fault current signal. By using the Hall current detection module instead of the fuse for fault current detection, the current signal detected by the Hall current detection module can be output as a fault current signal after being compared and processed and amplified by the signal amplification processing module, thereby realizing timely detection of the fault current.