86results about How to "Input stable" patented technology

The invention provides a multi-modal large model construction and operation method and system for reservoir dam safety. The method comprises the following steps: constructing a training set, wherein the training set comprises a single sample; multi-modal data as model input: sensor data arranged on the dam, historical hidden danger records, engineering technology documents formed in various stages of planning, design, construction and operation of the dam, information resources related to dam safety, geometric and material information of the BIM model, timestamps and spatial position information; the probability value of occurrence of the hidden danger event serving as the training label is obtained; the training set is adopted to train a multi-mode pre-training model based on a Transform framework; performing real-time prediction and early warning on potential safety hazards of the dam; and calculating the actual influence degree, the comprehensive risk score, the dynamically set early warning threshold and the emergency measure suggestion of the hidden danger event according to the probability value of whether the hidden danger event occurs or not output by the model. The scientificity and effectiveness of dam safety monitoring are comprehensively improved.

The invention discloses an overvoltage protection circuit of a switching power supply and the switching power supply. The switching power supply generates an output voltage according to an input voltage through periodic connection and disconnection of a main power tube. The overvoltage protection circuit comprises a voltage sampling unit which samples node voltage on a sampling node of the switching power supply to obtain node sampling voltage, and the node voltage is the sum of the product of output voltage and coefficient and input voltage; and the overvoltage control unit is used for performing overvoltage protection on the switching power supply according to the conduction duty ratio, the node sampling voltage and the characterization voltage of the overvoltage protection threshold. According to the overvoltage protection method, a proper sampling point is selected to enable the sampling voltage to be related to the output voltage and the input voltage at the same time, then the node voltage is sampled to calculate the output voltage, overvoltage protection is performed, sampling is simple, the calculated amount is small, errors are small, the overvoltage protection effect is good, an auxiliary winding is not needed, and the system cost is low.

The invention relates to the technical field of power management, and discloses a switching power supply with a wide input voltage range and a control method thereof, and the system comprises an input detection comparison module which compares an actual output voltage with a target output voltage, and judges whether to correct an initial control parameter or not according to a comparison result; the parameter correction module is used for setting a correction coefficient corresponding to the initial control parameter according to the load deviation coefficient and obtaining a correction control parameter; the parameter compensation module is used for obtaining a compensation coefficient based on the temperature data and the altitude data and obtaining a compensation control parameter when it is judged that the correction control parameter needs to be compensated; and the control execution module is configured to receive the compensation control parameters and control the switching action of the switching power supply according to the compensation control parameters. The adaptability and the stability of the power supply are improved, and the overall performance and the reliability of the power supply are improved through an intelligent control method.

The invention relates to the technical field of psychological analysis, in particular to a user psychological state analysis method and system based on an intelligent robot. The method comprises the following steps: carrying out dynamic interaction with a user based on an intelligent robot, collecting a real-time interaction video of the user, and obtaining physiological state parameters of the user through a sensor; performing image optimization on the user real-time interaction video, and constructing a filtering optimization interaction video; performing user dynamic micro-expression analysis on the filtering optimization interaction video to obtain user deep micro-expression state features; performing dynamic limb behavior feature mining on the filtering optimization interaction video to generate personalized limb behavior features of the user; performing time sequence fluctuation trend fitting on the physiological state parameters of the user so as to construct a physiological state fluctuation trend curve; and performing user emotional state analysis on the personalized limb behavior characteristics of the user based on the deep micro-expression state characteristics of the user to generate a user emotional evolution rule. According to the invention, efficient and accurate psychological state analysis is realized.

The invention relates to a pneumatic constant-pressure diaphragm valve for chemical liquid conveying in semiconductor manufacturing. The pneumatic constant-pressure diaphragm valve sequentially comprises a mechanism body and a mounting bottom plate from top to bottom. An inlet end runner and an outlet end runner are sequentially arranged on the mechanism main body from left to right, an outlet end waist groove communicated with the outlet end runner is formed in the right side of the top of the upper second-stage step, and an inlet end waist groove communicated with the inlet end runner is formed in the left side of the bottom of the lower second-stage step; the device further comprises an executing mechanism assembly and a sealing assembly. The pressure of the input fluid can be dynamically adjusted, so that the pressure of the output fluid is stably output, and the influence of pressure fluctuation of the external input fluid on the pressure of the output fluid of the valve is reduced.

The utility model relates to the technical field of electronic circuits, and discloses a charging system and an emergency starting device.The charging system comprises a charging input interface, an inductor, a first switch, a second switch, a first voltage acquisition circuit and a control circuit; the charging input interface is electrically connected with the inductor, the inductor is further connected with the first switch and the second switch, the second switch is used for being electrically connected with an energy storage power supply, and the first voltage acquisition circuit is electrically connected with the second switch and used for detecting first voltage output by the charging system in real time. The control circuit cyclically controls the conduction and cut-off time of the first switch based on the first voltage, in the charging process of the charging system, when the first voltage is smaller than a first preset voltage value, the control circuit controls the first switch to be conducted to start cyclic control, and the state of the first switch is opposite to that of the second switch. The charging system can realize stable output so as to maximize the charging efficiency of the automobile emergency starting power supply.

The utility model discloses a DSP camera control circuit of golf simulation system detector, 40 feet, 59 feet, 65 feet, 68 feet, 87 feet, 77 feet, 66 feet, 67 feet of blackfin digital signal processor U2 respectively correspond to be connected with resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, 8 feet, 10 feet, 28 feet, 24 feet, 25 feet, 32 feet, 33 feet, 30 feet, 31 feet of CMOS image sensor U4 respectively correspond to be connected with resistance R12, resistance 13, resistance 14, resistance R15, resistance R16, resistance R17, resistance R10, resistance 11, resistance 19, the 23 feet of CMOS image sensor U4 is connected with CMOS logic chip U5, and the 5 feet of CMOS logic chip U5 connects electrolytic capacitor C2 and power supply end CAM3V3, and the resistance R18 is connected between the 1 foot and 3 feet of CMOS logic chip U5, and the 26 feet, 22 feet, 23 feet of CMOS image sensor U4 respectively correspond to be connected with resistance R20, resistance 21, resistance 22, and the resistance of the product plays current -limiting protection and impedance matching, and the protection circuit is prevented from being damaged.

The invention provides a dripping speed detection and alarm device for an infusion apparatus, and belongs to the technical field of medical instruments. The device comprises a fixing frame, a clamping assembly is installed on one side of the fixing frame, the clamping assembly is used for clamping a drip cup part on an infusion tube, the clamping assembly comprises two clamping plates, and a piezoelectric sensor is embedded in the inner wall of one clamping plate; a spring rope is fixedly installed at the lower end of the fixing frame, a connecting block is fixedly installed at the lower end of the spring rope, a single-chip microcomputer is installed on the upper side in the connecting block, and the piezoelectric sensor is connected with the single-chip microcomputer through a wire. A cavity is formed in the lower side in the connecting block, a trigger assembly is installed in the cavity, the single-chip microcomputer is in linkage with the trigger assembly, and first switches are fixedly installed at the two ends of the inner wall of the cavity; an alarm is fixedly mounted at the upper end of the connecting block; a body temperature detection assembly is installed at the lower end of the connecting block and is in linkage with the triggering assembly. The dripping speed of the liquid medicine or the detected body temperature can trigger the first switch, so that the alarm gives an alarm to remind to adjust the dripping speed, and the risk is reduced.

The invention discloses closed ore crushing equipment capable of preventing dust from overflowing, and belongs to the technical field of ore processing, the closed ore crushing equipment comprises a bin body, side baffles are fixedly connected to the two sides of the upper portion of the bin body, and a fixing sleeve is fixedly connected to the upper portion of the bin body; a rotating main synchronizing wheel can pull a hinge rod to deflect, and then a sliding plate is pushed and pulled back and forth through the hinge rod, so that the sliding plate pushes and extrudes a traction rod through the chute wall of a chute, the traction rod drives a connecting rod to rotate through a fixed plate, and a spraying head can swing back and forth around the connecting rod; water supply components such as a faucet, a water tank and a water pump are externally connected to the external hose, stable input of a water source is achieved, water flow enters the spraying head through the external hose and is atomized or shunted by spraying holes of the spraying head to form uniform water mist, ore in the storage cavity is wetted, dust generated by crushing is subjected to dust falling treatment, and the ore crushing efficiency is improved. Dust diffusion and flying are inhibited, and the dust is prevented from polluting the working environment and harming the body health of operators.

The invention relates to the technical field of medical instruments, in particular to a drainage nursing device for nursing, comprising: a base, the side surface of which is provided with a controller; the main drainage nursing mechanism comprises a shell fixedly connected to the upper end face of the base, a magnetic variation assembly and a hydraulic press are arranged on the upper end face of the shell, and a magnetic resistance assembly, a flow suction device and a main liquid storage box are sequentially arranged in the shell from top to bottom; through a magnetic variation assembly, a hydraulic press, a magnetic resistance assembly and a flow suction device in the main drainage nursing mechanism, corresponding suction force can be provided according to the patient moving frequency transmitted by the auxiliary drainage nursing mechanism, then the purpose of controlling drainage suction force is achieved, the suction force can be adjusted according to different moving states of a patient, and the stability and reliability of the drainage effect are ensured; safety and effectiveness of drainage are improved, and risks such as infection caused by improper drainage are reduced.

The utility model relates to a kind of drinking water devices for breeding house, including long pipe, branch pipe and water feeding part, the long pipe bottom is connected with several equidistant distribution branch pipes, the long pipe one end is connected with water source, the branch pipe bottom is equipped with the water feeding part of convenient to detach, long pipe one end is connected with water source, and water flow is entered multiple branch pipes by long pipe, because spring extrudes and fits with the bottom of branch pipe inner wall sealing seat, to seal the bottom of branch pipe, when installing cylinder and water pan are installed, the bottom of branch pipe will not water, by installing cylinder thread is installed in the bottom of branch pipe, with installing cylinder constantly moving up, the bottom of installing cylinder inner wall extrusion push rod moves up, and make sealing seat move up, at this time, branch pipe inner water flow passes through sealing seat inner upper hole, and flows into the bottom of sealing seat, and by the lower hole of branch pipe bottom, it flows into installing cylinder, because installing cylinder is equipped with drain, water flow passes through drain and enters water pan, when water pan liquid level height is overflowed lower hole, horizontal inner liquid level is not rising.

The utility model discloses a filter device of circulating backwash, including filter casing, install a set of bearing seat in the inner chamber of filter casing upper end, bearing seat is sealed with a set of filter core rotation connection, and the rotation action can be realized to filter core through drive assembly, and cooperate transmission assembly and drive cleaning brush rotation, the utility model centrifugal force throws out high -speed water flow, and the impact force of impurity is greatly promoted, and the mechanical cleaning of cooperation cleaning brush, under double effect, can more efficiently remove strong viscosity, firmly attached contaminant and deep pore small impurity, and backwash efficiency improves obviously, and high -efficient backwash reduces backwash frequency and time, and water flow energy consumption is reduced, simultaneously, the filter core is because clean thoroughly, and the service life is extended, and the frequency of replacement is reduced, and the overall operation cost is reduced.

The application discloses an inverter which is composed of a switched capacitor circuit and a bridge switching circuit; the switched capacitor circuit and the bridge switching circuit are connected with each other; the bridge switching circuit is composed of a left half bridge switching circuit and a right half bridge switching circuit; the left half bridge switching circuit and the right half bridge switching circuit are connected with the switched capacitor circuit respectively. The inverter contains a single direct current input source, six switching tubes, one capacitor and one inductor; the process of charging and discharging of the capacitor in a capacitor period realizes self-balancing of the capacitor voltage, each capacitor keeps the same working state, and stable output of the inverter is realized.

The invention provides a mobile maintenance vehicle rear-end collision risk real-time early warning method and system based on a front time window, and relates to the technical field of intelligent traffic. The method comprises the steps of integrating sensors such as a GNSS / IMU, a millimeter wave radar and a binocular camera on a mobile maintenance vehicle, obtaining information such as the relative distance, the speed, the acceleration and the lane position of a backward coming vehicle and the maintenance vehicle, constructing a time sequence prediction model which takes historical fragments as input and applies front time window constraint to data nearby the current moment, and predicting the time sequence of the current time. Relative movement in a future short time period is predicted, safety indexes such as collision time TTC and required deceleration DRAC are calculated, threshold values are corrected in combination with road alignment, longitudinal slopes and visibility, and a directional horn is used for achieving rear-end collision early warning. According to the method, the false alarm rate and the missing alarm rate can be reduced in complex scenes such as curves, long slopes and low visibility, the early warning accuracy and robustness are improved, and rear-end collision accidents of mobile maintenance operation are reduced.

The application discloses a kind of vehicle headlamp cover dirty state intelligent adaptive perception method, belong to vehicle lamp detection technical field.It includes the following steps: step S1, through gray level camera in the extinguishing state captures a frame lamp cover surface original image;Step S2, the original image of lamp cover surface collected is preprocessed;Step S3, the image after pre-processing is carried out multi-dimensional state feature phasor extraction, and the current characteristic phasor Ft is obtained;Step S4, establish clean state dynamic reference library and carry out online update;Step S5, obtain feature difference vector ΔF.The application provides a kind of vehicle headlamp cover dirty state intelligent adaptive perception method, can output a real-time stable feature difference signal, the current lamp cover surface state is accurately characterized between its self-learning dynamic clean reference by feature difference signal Multi-dimensional deviation, provide high confidence input source for subsequent cleaning decision and control.

The application relates to the technical field of flywheel energy storage rotating shaft forging detection, and discloses a flywheel energy storage rotating shaft forging strength reliability detection device, which comprises a detection machine body, a supporting table arranged on the detection machine body and used for supporting a workpiece to be detected, a top support arranged on the top of the detection machine body, a lower pressing box arranged at the bottom of the top support and a lower pressing part arranged in the lower pressing box. Through the arrangement of the supporting table, the lower pressing part, two torsion tables and torsion parts on the detection machine body, the flywheel energy storage rotating shaft forgings extracted from the same batch can be pressed by the lower pressing part first and then inputted with torsion loads by the two torsion parts to the end of the workpiece, so that the effects of lower pressing load detection and torsion load detection can be achieved in the same detection device.

This utility model relates to the field of handmade noodle production technology and discloses a protective rotary noodle cutting knife holder, including a main frame. A high-pressure air gun is installed at the center of the top surface of the main frame. The main frame includes a protective shell, and end frames are engaged at both ends of the protective shell. Screws are connected to the outer walls of the end frames. Meshing gear sets are distributed on both sides of the center of the end frames. A cutting roller is connected to one side of the shaft of the meshing gear set, a motor frame is connected to one end of the cutting roller, and a linkage shaft is connected to the other side of the meshing gear set. This utility model forms an integral structure by combining the protective shell and the end frames that carry the cutting roller. The protective shell provides external protection for the overall cutting structure, while the feed port on the top frame of the protective shell is connected to the interior, preventing accidental contact by personnel. In conjunction with the meshing gear set and the transmission belt, it assists in the stable input of the noodle sheet, improving the safety and efficiency of the production process.

The invention provides a photovoltaic power generation-based water electrolysis hydrogen production system. The photovoltaic power generation-based water electrolysis hydrogen production system comprises an energy management device, an energy storage device, a photovoltaic array device and a water electrolysis hydrogen production device, the photovoltaic array device is connected with the energy storage device and the water electrolysis hydrogen production device, the energy storage device is connected with the water electrolysis hydrogen production device, and the water electrolysis hydrogen production device and the energy storage device are further connected with an external power grid; the energy management device is connected with the control end of the photovoltaic array device, the second control end of the energy management device is connected with the control end of the energy storage device, and the third control end of the energy management device is connected with an external power grid; the energy management device controls power supply of the photovoltaic array device, the energy storage device and the external power grid to the water electrolysis hydrogen production device and controls power supply of the photovoltaic array device and the external power grid to the energy storage device. The photovoltaic array device is directly coupled with the water electrolysis hydrogen production device, equipment loss and cost are reduced, an energy storage system and an external power grid are matched, and the defects of intermittency, randomness and the like of photovoltaic power generation are effectively overcome.

The invention discloses a control method, device and equipment of a rod mill feeding system and a medium, and belongs to the technical field of metallurgy. The feeding system of the rod mill comprises a fan-shaped valve, the fan-shaped valve is used for adjusting the feeding amount of the rod mill, and the method comprises the steps that the actual feeding amount and the target feeding amount of the rod mill are obtained; if the difference value obtained by subtracting the target feeding amount from the actual feeding amount is larger than a preset first difference value threshold value, the fan-shaped valve is controlled to execute the closing action of a preset first duration; if the difference value is smaller than a preset second difference value threshold value, the fan-shaped valve is controlled to execute the opening action of a preset second duration; wherein the first difference threshold value is larger than 0, and the second difference threshold value is smaller than 0. According to the method, the opening degree of the fan-shaped valve can be finely adjusted every time, the precision of adjustment every time is guaranteed, then the final deviation is small or even zero, and the rod mill can be kept in an efficient working state.

The invention relates to a digital picture book generation method and system. The digital picture book generation method comprises the steps of input receiving, input standardization, capability judgment, multi-modal analysis, page-by-page planning, page-level verification, execution generation and auditing disk falling. Compared with the prior art, the method has the advantages that whether the AI image generation model supports the reference image or not is judged in the reference image input stage, whether the AI image generation model meets the multi-modal execution condition or not is judged in the picture book generation stage, double-layer capacity judgment guarantee is achieved, and a reliable degradation strategy is set; when the AI image generation model does not support the reference image or the analysis of the reference image fails or the AI image generation model does not meet the multi-modal execution condition, degrading to generate a digital text picture book so as to keep stable output; and through a reproducible, verifiable page list generated page by page, the context is referenced across stages.

The utility model relates to the technical field of food processing equipment, in particular to fruit slice vacuum low-temperature concentration equipment which comprises an evaporation cavity shell, a vacuum steam exhaust pipe is fixedly mounted at the top of the evaporation cavity shell, and a concentrated pulp liquid discharge pipe is fixedly mounted at the bottom of the evaporation cavity shell. A low-temperature concentration assembly is arranged on one side of the evaporation cavity shell; through the arrangement of the first liquid inlet pipe, the booster pump and the second liquid inlet pipe, primary pulp can be stably conveyed to the heating cavity from the primary pulp tank, the booster pump can increase the liquid inlet pressure, it is ensured that primary pulp is supplied smoothly and efficiently, and stable raw material input is provided for the subsequent concentration process; the heating cavity is formed by a plurality of independent cuboid containers in a circumferential array mode and communicated through the circulating pipe, the structure can enable fruit slice raw pulp to be evenly heated in the heating cavity, heat exchange efficiency is improved, consistency of the concentration effect is guaranteed, meanwhile, the raw pulp can circulate among the containers through the circulating pipe, and local overheating or uneven concentration is avoided.

The utility model discloses an artillery azimuth firing range steering limiting circuit which comprises a single chip microcomputer, a power panel, a data acquisition board, a storage circuit and a steering circuit. The data acquisition board is connected to an input pin of the single-chip microcomputer, the storage circuit is connected to the input pin of the single-chip microcomputer, the steering circuit is connected to an output pin of the single-chip microcomputer, and the power board is connected to a power pin of the single-chip microcomputer. A power supply circuit is arranged on the power supply board, a unilateral diode is added to the input end of the power supply circuit, circuit burning caused by reverse connection of the positive electrode and the negative electrode of the power supply input end can be effectively prevented, and the power supply stops working once the positive electrode pin and the negative electrode pin of the power supply input end are connected reversely. And the output end of the power supply circuit is filtered by using the capacitor, so that output voltage ripples can be effectively reduced, the output stability of the power supply is ensured, and the anti-interference performance of the whole circuit is further improved.

The present application relates to the field of weld defect detection, and particularly relates to a kind of weld defect multi-element ultrasonic three-dimensional visual enhancement imaging characterization method.The technical scheme includes: obtaining the multi-element ultrasonic detection data of the weld to be detected;Identify the data organization form of the multi-element ultrasonic detection data, and select the corresponding three-dimensional body data generation strategy based on the identification result, generate original three-dimensional ultrasonic body data;The original three-dimensional ultrasonic body data is subjected to visual enhancement processing, and the three-dimensional ultrasonic body data after visual enhancement is obtained;Based on the three-dimensional visual enhancement imaging result of weld defect of the three-dimensional ultrasonic body data after visual enhancement, the spatial quantitative parameter of weld defect is extracted;The spatial quantitative parameter is input into the defect characterization analysis model, the weld defect state characterization result is generated, and the weld defect three-dimensional visual characterization report is output.The present application improves the spatial explainability and engineering analysis capability of weld defect imaging result, and is suitable for weld defect detection.

This invention relates to the field of metal wire processing technology and discloses a forming device for tin wire processing, including a stabilizing component. The stabilizing component includes a guide plate, with stabilizing side plates fixed at both ends of the guide plate. A drive component for providing a power source is installed at one end of the stabilizing component. The drive component includes a motor fixed to the top of one end of the guide plate and a power rod rotatably connected to the two stabilizing side plates. A power transmission mechanism connects the motor and the power rod. By sliding two sets of independent feeding components on the guide plate, and the transmission component at its bottom can be moved along the power rod, the operator can quickly change the distance between the two sets of components by pushing either set of feeding components when the machine is stopped. This distance directly determines the single feeding length of the tin wire, thereby achieving stepless and rapid adjustment of the batch cutting length without replacing any parts, greatly improving the adaptability of the equipment to different specifications of products and the efficiency of production changeover.

The utility model relates to optical communication device technical field, concretely relates to a filter. The filter includes double fiber subassembly, diffraction element, lens, microcomputer subassembly and light splitting subassembly, diffraction element is located on the incident light path of light input end, is used for diffraction formation different wavelength light beam with the light output of light input end, the lens is located on the emergent light path of diffraction element, to focus the light of multiple different wavelengths that diffraction element output, microcomputer subassembly includes a plurality of reflecting mirrors, a plurality of reflecting mirrors are used for reflecting different wavelength light, light splitting subassembly sets up on the light path between light output end and diffraction element, light splitting subassembly is used for the light that is reflected back by a plurality of reflecting mirrors and carries out light splitting, a part of light is reflected back diffraction element and arrives at the place that reflecting mirror is equipped with detection layer, and reflecting mirror can adjust the reflection angle of itself according to the detection signal of detection layer. The filter can automatically track compensation according to the light attenuation change, guarantees the stable output of channel power.

The invention discloses an air compressor cluster cooperative control and energy efficiency optimization method based on digital twinning, and the method comprises the following steps: collecting the real-time operation data of an air compressor cluster and an air supply system, and carrying out the time alignment, and obtaining the time alignment data; establishing a digital twinborn model of the air compressor cluster air supply system; the method comprises the following steps of: constructing a Zonotop observer to obtain an initialized coupling Zonotop; generating a candidate group control strategy set in the rolling optimization window; a reachable domain propagation operator is called to execute prediction updating, and prediction coupling Zonotop is obtained; consistency shrinkage is executed, and an updated coupling Zonope is obtained; and loading each candidate group control strategy to the digital twinborn model, executing simulation deduction, selecting an optimal control strategy from the candidate group control strategy set, and issuing the optimal control strategy to an air compressor cluster execution control system for execution. The feasibility and the stable energy-saving effect of the air compressor cluster cooperative control strategy are improved.

The utility model discloses a kind of power generation systems based on water floating island, belong to wave energy generation field, including floating island, power conversion component, storage tank, impeller and generator set. Power conversion component is installed to floating island, can adopt "rocker arm-connecting rod-piston cylinder" or "push arm-piston cylinder" structure, through inverted conical platform shape floating ball capture wave reciprocating motion conversion into high-pressure fluid;Storage tank is equipped with discharge pressure control valve to realize pressure stabilization, discharge outlet spouts fluid and drives impeller rotation, and then drives generator set to generate electricity. The system can maximize the use of platform space by optimizing the layout of storage tank. The electricity generated meets the needs of floating island, and the surplus electricity can also be transmitted to land. The floating island is a detachable wave floating island with a wave-releasing chamfer at the bottom, and has strong stability. The system is suitable for different wave conditions, with efficient energy conversion, stable power supply, low cost per kilowatt-hour, and no dependence on external power grid. It is suitable for multiple scene applications and has significant practical value and economic benefits.

The utility model relates to the technical field of instant noodle production equipment, and discloses a turnover mechanism of a noodle steaming box and the noodle steaming box, the turnover mechanism comprises an evaporation turnover structure, the evaporation turnover structure comprises a top frame, water storage tanks are arranged at the bottom ends of the two sides of the top frame, sealing rubber strips are attached to the bottom surfaces of the water storage tanks, and the sealing rubber strips are arranged on the top frame. Motor frames are fixed to the outer walls of the two sides of the top frame, fixing rods are distributed on the two sides of the interior of the top frame, and connecting frames are fixed to the bottom ends of the fixing rods. The steam conveying device is composed of the base frame and the flow dividing pipe structures on the inner walls of the two sides of the top frame, steam can be provided through the base frame, the flow dividing pipes on the inner walls of the two sides can continuously turn over along with external driving force of the motor frame, and the process that the steam is sprayed out while turning over is formed on the two sides of the conveying mesh belt. The steam can make more uniform contact with noodles on the conveying mesh belt, so that the phenomenon that the noodle steaming effect is not uniform is avoided, and the efficiency and quality of the whole noodle conveying and steaming process are improved.

The invention relates to the technical field of vacuum switches, and discloses an automatic control system and method for an X-ray test of a vacuum arc-extinguishing chamber, and the system comprises a fluorinated liquid adding and recycling unit, a data collection and control system, a test tool unit, a mechanical power unit, and a measurement unit. The test tool unit comprises a test groove, a vacuum arc-extinguishing chamber and an insulating support assembly. An observation window is formed in the side wall of the test tank; two ends of the insulation support assembly are connected with power ends. The liquid level sensor is arranged in the test tank; the measuring unit is located outside the test tank, and the measuring end of the measuring unit is aligned with the observation window of the test tank; the control end of the data acquisition and control system is respectively connected with the fluorinated liquid storage unit, the liquid level sensor, the mechanical power unit, the measuring unit and the power supply end. According to the invention, integration and intellectualization of an automatic control system are realized, automatic opening of the vacuum arc-extinguishing chamber, automatic measurement of the opening distance and automatic adding and recycling of the fluoride liquid are achieved, and the working efficiency is improved.

The invention discloses a multi-path inlet and outlet booster pump, which belongs to the field of supercharging devices, and comprises a first cavity, a second cavity, a first oil inlet passage, a first oil outlet passage and at least two oil guide passages positioned between an end cover and a reversing valve body, one end of an oil guide passage is connected with the second cavity, and the other end is connected with hydraulic oil outside the booster pump; one end of the other oil guide passage is connected with the first cavity, and the other end is connected with hydraulic oil outside the booster pump; when the pressurizing piston reverses, external hydraulic oil smoothly enters and exits the pressurizing cavity under the common buffering effect of the at least two oil guiding channels. The at least two oil guide channels located between the end cover and the reversing valve body are arranged to provide oil storage, oil inlet and outlet oil path buffering generated during reversing of the pressurizing piston is provided for hydraulic oil in the first cavity and the second cavity, and sudden pressure change at the moment of oil inlet and oil outlet is avoided; and oil storage and pressure balance on the oil inlet side and the oil outlet side are achieved.