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101results about How to "Reduce exposure time" patented technology

X-ray multi-contrast imaging image quality enhancement method based on feature prior learning

The invention relates to an X-ray multi-contrast imaging image quality enhancement method based on feature prior learning, and belongs to the technical field of deep learning and X-ray multi-contrast imaging. The method comprises the following steps: acquiring low-image-quality absorption, phase and dark field contrast computed tomography images and corresponding normal-image-quality three-contrast computed tomography images by using an X-ray grating multi-contrast imaging system, and constructing a training data set; constructing a conditional generative adversarial network image quality enhancement model based on feature prior learning; using the training data set to train a conditional generative adversarial network image quality enhancement model; and using the trained conditional generative adversarial network image quality enhancement model to enhance the obtained low-image-quality absorption, phase and dark field contrast computed tomography image. According to the invention, the low-quality multi-contrast images obtained under different conditions can be recovered and enhanced, and the application of the X-ray multi-contrast imaging technology in biomedical clinic and frontier material science is promoted.
Owner:BEIHANG UNIV

Distribution line tension pole electrified opposite-polarity umbrella-shaped shielding cover

The invention relates to the technical field of power distribution, in particular to a power distribution line tension rod electrified opposite-polarity umbrella-shaped shielding cover, which comprises a telescopic assembly, a fixed rod and a sliding rod arranged in the fixed rod, and the sliding rod and the fixed rod are connected with an insulating soft rod through a hinge piece; the insulation assembly comprises insulation blankets which are arranged on the side wall of the insulation soft rod and used for carrying out wrapping insulation on wrapping points, the insulation blankets are symmetrically arranged about the central axis of the fixed rod, the two insulation blankets are connected through a locking fastener, and through the linkage design of the sliding rod and the insulation soft rod, the insulation soft rod is fixed to the fixed rod. Insulation wrapping of a charged area can be rapidly completed in a short time. An operator only needs to push the sliding rod downwards to drive the insulation blanket to be folded, so that the operation time is greatly shortened, the working efficiency is improved, and the exposure time of the operator in an electrified environment is shortened as the insulation blanket can quickly and effectively cover an electrified area.
Owner:GUIZHOU POWER GRID CO LTD

Conveying device for tea production and conveying method thereof

The invention belongs to the field of tea production, and particularly relates to a conveying device for tea production and a conveying method thereof.The conveying device comprises a conveyor, a conveying box is arranged at the top of the conveyor, two supporting plates are symmetrically and fixedly connected to the bottom of the conveying box, and two guide plates are symmetrically and fixedly connected to the top of the conveying box; according to the conveying device for tea production and the conveying method of the conveying device, hot air is discharged from a plurality of first air outlets through the arranged first flow guide plate, the hot air makes better contact with tea leaves while the tea leaves are stirred through the stirring plate, the hot air is discharged from a plurality of second air outlets through the arranged second flow guide plate, and the tea leaves are better in contact with the tea leaves. Through wrapping of the gas gathering plate and the stirring plate, hot gas is prevented from floating upwards too fast, the contact time of the hot gas and the tea leaves is longer, when the stirred tea leaves slide to the included angle between the gas gathering plate and the stirring plate, the double faces of the tea leaves can be dried at the same time, and the drying effect is higher and more uniform.
Owner:DONGGUAN TAE TEA SCI & TECH CO LTD

Automatic physical connection and disconnection pure electric vehicle charging system

The invention discloses an automatic physical connection and disconnection pure electric vehicle charging system which comprises a charging gun, a charging socket and a charging pile, a charging module is arranged in the charging pile, the charging module comprises a processor, a PWM signal source assembly, a first logic control assembly and a second logic control assembly, the first logic control assembly is connected with the charging gun, and the second logic control assembly is connected with the charging socket. The second logic control assembly is connected with the charging socket, the charging gun comprises a shell, a driving motor and a rack are installed in the shell, the rack is meshed with the output end of the driving motor, a plug inner core set is fixed to the end of the rack, and the processor is connected with the driving motor. According to the invention, by accurately controlling the connection and disconnection time, the exposure time of the charging interface in an electrified state is reduced, so that the ionization corrosion degree is reduced, and the service life of a connector is prolonged.
Owner:乔森

Puncture needle positioning guide device

ActiveCN115944363Beasy to operateAchieve precise guidance and positioningSurgical needlesSurgical navigation systemsSteel ballNavigation system
The present application provides a kind of puncture needle positioning guide device, including four translation modules;Under the action of the former stage translation module, the latter stage translation module can move along corresponding direction;First support rod assembly is assembled on the third translation module, and the first support rod assembly includes first support rod and the first connecting assembly that is detachably connected with the first support rod, when being in the connection state, the first connecting assembly can rotate relative to the first support rod;Second support rod assembly is assembled on the fourth translation module, and the second support rod assembly includes second support rod and the second connecting assembly that is detachably connected with the second support rod, when being in the connection state, the second connecting assembly can rotate relative to the second support rod;Positioning guide assembly is detachably assembled at the first and second connecting assemblies, for positioning and guiding puncture needle, and the positioning guide assembly includes steel ball used in cooperation with navigation system.The above-mentioned device can be used in cooperation with navigation system to realize accurate positioning and guiding of puncture needle.
Owner:SHANDONG WEIGAO SURGICAL ROBOT CO LTD

Negative pressure drainage device

ActiveCN224149763UAchieve instantaneous connectivityShorten drain start timePositive displacement pump componentsFluid removalPistonWellbore
The utility model relates to the technical field of oil well liquid drainage, in particular to a negative pressure liquid drainage device. Comprising an upper connector, a sealing conical surface is formed in the upper connector, the lower end of the upper connector is fixedly and hermetically connected with an outer cylinder, the lower end of the outer cylinder is fixedly and hermetically connected with a lower connector, a piston blind plate is arranged in the lower connector, connected with the lower connector through a shear pin and in sealed contact with the upper connector, and a screen pipe is fixedly and hermetically connected in the lower end of the piston blind plate. The lower end of the screen pipe extends to the position below the lower connector and is blocked. The screen pipe and the piston blind plate are automatically released through fracture of the shear pin, external power or manual intervention is not needed, instant communication of a shaft and an oil pipe column is achieved, and the liquid drainage starting time is remarkably shortened.
Owner:濮阳市科锐机械工程技术有限公司

Wave glider one-time laying system and collaborative operation method thereof

The invention discloses a one-time laying system for a wave glider and a collaborative operation method of the one-time laying system, and belongs to the technical field of ocean engineering. The system comprises a wave glider and a transferring and laying device. The moving, transporting and laying device is a detachable separation support, and an upper laying support and a lower moving support are connected through a positioning pin. The laying support is provided with a bearing face matched with the ship body, four hanging rings, a supporting rod for supporting the traction machine and a floating body arranged on the middle rear portion. The method comprises the steps that the device is moved to a deck to be locked; the positioning pins are taken down, and the whole support and the glider are vertically hoisted and laid through the four slings; when the glider is immersed in water, the bracket inclines forward by using the floating body, and the glider is automatically separated; and the mother ship leaves and recycles the laying bracket. Rapid, stable and safe one-time laying of the wave glider under the complex sea condition is achieved, the risk of graded laying and umbilical cable winding are avoided, and the operation efficiency and safety are remarkably improved.
Owner:SANYA YAZHOU BAY INST OF DEEP SEA SCI & TECH SHANGHAI JIAOTONG UNIV

Safe laser mosquito killing method adopting multi-echo laser recognition

PendingCN121774008Aensure safetyPrecise control of irradiation timeInsect catchers and killers
The invention discloses a safe laser mosquito killing method adopting multi-echo laser recognition, which comprises the following steps that: a laser radar performs two-dimensional rapid scanning on a specified plane area, and meanwhile, a receiving module receives laser return light reflected back from an object in real time; laser return light is obtained and analyzed in real time, and real-time data are obtained; if a new target is found, the laser radar scans firstly and then scans again, and after it is confirmed that the target is a mosquito, mosquito attack is started; meanwhile, the laser radar continuously emits detection light spots covering a high-power laser light spot area, real-time data are continuously obtained, and if the identification monitoring module finds abnormity, the high-power laser is stopped immediately. According to the application, comprehensive analysis and pre-judgment can be carried out on a complex background environment, the working state is reasonably adjusted to avoid potential safety hazards under the complex background condition, meanwhile, the irradiation time of the high-power laser is accurately controlled, the irradiation time can be greatly shortened when danger occurs, the response time is smaller than or equal to 0.03 millisecond, and the application range is wide. The safety of human eyes can be fully ensured; and compared with a conventional identification mode, the reliability is higher, the response speed is higher, and the safety performance is higher.
Owner:CHANGZHOU LIGHT MOMENT INTELLIGENT TECHNOLOGY CO LTD

Solid preparation forming, sealing and packaging equipment for medicinal and edible materials

ActiveCN224739682UReduce the transshipment linkreduce exposure time
The utility model provides a medicine and food homologous solid preparation forming integrated sealing packaging equipment belongs to food and drug processing equipment technical field, including base, forming frame, feeding and weighing assembly and sealing assembly, base one side top department fixedly connected with forming frame, forming frame one side top department fixedly connected with fixed frame, the fixed frame inner chamber top is equipped with extrusion subassembly, the fixed frame is equipped with with forming assembly of extrusion subassembly cooperation, the fixed frame and located fixed side fixedly connected with first cylinder. The utility model integrates the links such as forming, feeding and weighing, sealing and so on in an organic whole, reduced the material transfer link among each independent equipment in traditional production, effectively saved the site occupied space, shortened material exposure time, reduced the pollution risk, avoided the material in the transfer process and the outside excessive contact, effectively improved the product hygiene safety.
Owner:JIANGXI COLLEGE OF TRADITIONAL CHINESE MEDICINE

Wafer loading, overturning and soaking mechanism

The invention provides a wafer loading, overturning and soaking mechanism, which comprises a base provided with a box body mounting frame and a module supporting structure, and the module supporting structure is provided with a guide rail; the soaking box body is arranged on the box body mounting frame, and the soaking box body is used for containing soaking liquid; and the overturning module is arranged on the module supporting structure, the overturning module comprises an overturning device and a driving assembly, the overturning device is provided with a wafer clamping part, the wafer clamping part is used for bearing a wafer, and the driving assembly is in driving connection with the overturning device and is used for driving the overturning device to overturn and move up and down along the guide rail. According to the invention, the processing precision and the processing efficiency of the wafer can be obviously improved.
Owner:PNC PROCESS SYSTEMS CO LTD +1

Imaging system of exposure equipment and adjusting method and device of imaging system

The invention discloses an imaging system of exposure equipment and an adjusting method and device of the imaging system, and relates to the technical field of exposure equipment, the imaging system comprises at least one imaging branch, and the imaging branch comprises a first reflector, a second reflector and a wedge-shaped mirror; the first reflecting mirror is mounted below the imaging assembly based on a preset first inclination angle and is used for converting the light from the vertical direction into the transverse direction; the second reflecting mirror is mounted on the reflecting side of the first reflecting mirror based on a preset second inclination angle and is used for converting the light reflected by the first reflecting mirror into the inclination direction; and the wedge-shaped mirror is mounted below the second reflecting mirror based on a preset wedge-shaped mirror thickness and is used for projecting the light rays reflected by the second reflecting mirror on the focal plane. The exposure equipment is used for solving the problems that in the prior art, exposure time of the exposure equipment is long, and splicing marks exist in the exposure area, one-time exposure of the exposure equipment is achieved, and the problem of splicing marks existing in the exposure area is solved.
Owner:无锡影速半导体科技有限公司

Headlamp panel assembly of electric bicycle

The invention provides a headlamp panel assembly of an electric bicycle, which comprises a front panel connected with an electric bicycle main body, the inner side of the front panel is connected with a slideway main body, the front surface of the front panel is provided with a lamp opening corresponding to a headlamp in position, the lamp opening is provided with a sliding cover capable of being opened and closed, and the sliding cover slides along the slideway main body. One end of the sliding cover is rotationally connected with the connecting rod assembly, two sides of the connecting rod assembly are connected with the transmission assembly, and the transmission assembly is connected with a power output shaft of the motor. According to the headlamp panel assembly of the electric bicycle, the headlamp is protected, the external influence is reduced, and the service life of the headlamp is prolonged.
Owner:TAILING ELECTRIC TECH (TIANJIN) CO LTD

Preparation process of silybin meglumine tablet

The invention discloses a preparation method of a silybin meglumine tablet, which comprises the following steps: reacting silybin with meglumine under optimized conditions to generate a liquid reactant, omitting a drying link, and directly adding the liquid reactant into an auxiliary material through spray gun atomization for one-step granulation; the auxiliary materials are screened and premixed, and after liquid reactants and the auxiliary materials are uniformly mixed, the temperature and spraying parameters are controlled to complete particle preparation. And after granulation, drying to a target water content by adopting fluidized bed drying equipment, and carrying out particle mixing, tabletting and coating to finally finish aluminum-plastic subpackaging and outer packaging. The process omits the traditional steps of drying, crushing and granulating, prevents reactants from being exposed to a high-temperature environment for a long time, and effectively improves the utilization rate of raw materials, the content of effective components and the purity of the product. Meanwhile, dust is reduced, the production environment is optimized, and the operation safety and the product yield are remarkably improved.
Owner:ZHONGXING PHARM CO LTD JIANGSU

A MEMS microphone

ActiveCN224733828Ureduce exposure time
The application provides a MEMS microphone, comprising a substrate, a MEMS chip, an ASIC chip and a transfer island arranged on the substrate; the MEMS chip and the ASIC chip are connected through the transfer island; the transfer island is used for forwarding a pressure signal output by the MEMS chip to the ASIC chip; and the ASIC chip is used for converting the pressure signal output by the MEMS chip into a voltage signal. Compared with the prior art, the MEMS microphone of the application connects the MEMS chip and the ASIC chip through the transfer island, thereby avoiding the connection of gold wires, reducing the exposure time of the MEMS chip in a high-risk environment, and reducing the influence of environmental foreign matters on the MEMS microphone.
Owner:WEIFANG GOERTEK MICROELECTRONICS CO LTD

Preparation method and application of prostate cancer tissue single-cell suspension

The invention discloses a preparation method and application of a prostate cancer tissue single-cell suspension. The preparation method of the prostate cancer tissue single-cell suspension comprises the following steps: S1, tissue pretreatment: putting a prostate cancer tissue sample into a low-temperature pretreatment buffer solution, and cutting the prostate cancer tissue sample into tissue fragments; s2, circular enzymolysis: mixing the tissue fragments with a composite enzymatic hydrolysate, and performing digestion for multiple rounds under an oscillation condition; after each round of digestion, collecting supernate into a stop solution containing serum, repeatedly digesting the remaining tissues for multiple times, and combining the supernate to obtain a cell crude suspension; wherein the composite enzymatic hydrolysate contains collagenase, protease, nuclease, an androgen receptor stimulant and / or a ROCK inhibitor; and S3, sequentially carrying out separation and purification on the cell crude suspension through filtration and density gradient centrifugation to obtain the prostate cancer tissue single-cell suspension.
Owner:SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE

An aqueous deparaffinizing reagent and a method for preparing the same

PendingCN122306516AGood dewaxing effectFast dewaxingAntigenStaining
This invention provides an aqueous dewaxing reagent comprising the following components by weight percentage: 0.3-6% surfactant and 0.5-3% composite penetration enhancer, with the balance being water. The composite penetration enhancer is composed of limonene and terpineol, wherein the mass of terpineol is not less than 10% of the total mass of the composite penetration enhancer. The preparation method involves mixing the surfactant, composite penetration enhancer, and water. This invention utilizes a composite penetration enhancer composed of limonene and terpineol, which significantly improves dewaxing speed, reduces temperature dependence, widens the operating temperature window, reduces tissue damage, provides better protection against antigens, and is beneficial for IHC staining.
Owner:RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Al-RE intermediate alloy based on alloy opposite doping method and preparation method of Al-RE intermediate alloy

PendingCN121951283AReduce burning lossavoid excessive oxidationIngotDoping
The invention discloses a preparation method of an Al-RE intermediate alloy based on an alloy opposite doping method, which comprises the following steps: firstly, industrial pure aluminum Al and mother alloy Al-90RE are taken as raw materials, the raw materials are dried according to a mass ratio meeting the requirement of Al-(10-50) RE, then, the raw materials are melted by adopting a two-stage variable-temperature melting method to obtain an Al-RE melt, then, the Al-(10-50) RE melt is refined, and meanwhile, the Al-RE intermediate alloy is prepared by adopting an alloy opposite doping method. The steel ingot mold is preheated, and finally, the refined Al-RE melt is poured into the preheated steel ingot mold to be cooled, so that an Al-RE intermediate alloy ingot based on the alloy opposite doping method is obtained; rE is one of La, Ce or La + Ce alloy. The obtained Al-RE intermediate alloy is compact in metallographic structure and less in inclusion; in addition, the yield is greater than 90.0%.
Owner:GUIZHOU NANXIN NEW MATERIALS TECHNOLOGY CO LTD

Portable morchella sporocarp picking tool

The utility model belongs to the field of picking tools, and provides a portable morchella sporocarp picking tool which comprises a picking frame, a synchronous transmission piece, a pushing piece and a clamping hook piece, two sets of sliding grooves are symmetrically formed in the two sides of the inner wall of the picking frame, sliding blocks are connected into the sliding grooves in a sliding mode, a movable plate is connected between the two sets of sliding blocks located on the same side, and the movable plate is connected with the synchronous transmission piece. Cutting blades are arranged on the opposite sides of the two groups of moving plates; the cutting blade is arranged on the moving plate and is controlled to move through the pushing part and the synchronous transmission part, when the cutting blade is not used, the blade is relatively located on the inner side of the picking frame, the exposure time of a blade body is shortened, and the risk of accidentally injuring a picker is greatly reduced; the two groups of moving plates can move synchronously to drive the two groups of cutting blades to approach to complete the shearing action, so that the operation is simple and labor-saving, the complexity and the labor intensity of the operation are reduced, and the operation stroke is shortened.
Owner:HANZHONG AGRI TECH EXTENSION & TRAINING CENT (HANZHONG SEED EXTENSION CENT HANZHONG AGRI SCI INST)

Drug-loaded table-top transdermal nursing system

ActiveCN119633250BExtend activity retention periodactive maintenanceMedical devicesHas active ingredientPharmacy medicine
The present application relates to a kind of microneedle transdermal drug delivery technology, in particular, it relates to a kind of drug-loaded table transdermal nursing system.The drug-loaded table transdermal nursing system includes penetration device, penetration device includes penetration unit, and the penetration unit has substrate and the penetration micro-unit formed on substrate;It further includes delivery device;Delivery device includes delivery unit, and the delivery unit has drug-loading platform, and drug-loading surface of drug-loading platform is provided with drug coating, and drug coating has water-soluble and contains active ingredient;Delivery device can be delivered active ingredient by the reciprocating touch of the skin of specific area multiple times, and when the skin of specific area is touched each time, drug coating partially dissolves, and when the number of touch reaches specific number, drug coating completely dissolves.The nursing system is simple and convenient to operate, can realize the accurate, stable control of drug dosage, can be implemented uniform nursing to specific skin area, and can be suspended or discontinued at any time.
Owner:SUZHOU NANOMED BIOMED CO LTD

A method of constructing a locally deepened open excavation shaft

The present invention provides a construction method for a locally deepened open-cut shaft, which relates to the technical field of tunnel construction and includes: first constructing a diaphragm wall, excavating to a first preset elevation to construct the first ring beam, then excavating down to a second preset elevation, and constructing the second ring beam and the first side wall between the first ring beam and the second ring beam; taking the bottom of the second ring beam as the excavation surface, constructing the shaft foundation and the locally deepened foundation, arranging a vertical support member between the top surface of the locally deepened foundation and the bottom surface of the second ring beam, and constructing the remaining side walls and ring beams from bottom to top relying on the vertical support member and the first side wall until the top of the shaft is closed, and finally constructing the second side wall between the top surface of the locally deepened foundation and the bottom surface of the second ring beam. This method improves the closing speed and construction safety of the main structure of the locally deepened open-cut shaft. By constructing the ring beam as a permanent support structure, the demolition process of the temporary waist beam is eliminated, and the problem of asynchronous construction of the left and right side walls in the traditional top-down method is solved.
Owner:ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP +1

Guide rail falling protector with variable width and easy to disassemble and assemble

The invention discloses a width-variable guide rail falling protector easy to disassemble and assemble. The guide rail falling protector is mainly applied to the field of high-altitude operation safety protection. Comprising a movable shell and a fixed shell which move relatively to change the width of the falling protector. The hanging handle is used for connecting external safety equipment; the fixed long shaft penetrates through the fixed shell, one end of the fixed long shaft extends out of a limiting area with a blocking step, and the movable shell penetrates through the limiting area. The sliding limiting device is installed in a groove of the fixed shell, switching between the working state and the non-working state of the falling protector and width adjustment are achieved, and the falling protector can be flexibly disassembled and rapidly installed in the middle of the guide rail. The falling protector is convenient and efficient to operate, and the operation procedures of installation, locking, unlocking and the like are simplified; the problem of midway disassembly of a traditional safety lock guide rail is solved; the structure is stable and durable and adapts to complex environments; the comprehensive cost and risk of high-altitude operation are effectively reduced, high-quality and comprehensive safety protection is provided for high-altitude operation personnel, and development of the high-altitude operation safety technology is promoted.
Owner:广东省斯诺普科技有限公司

A wound debridement device for a hematological tumor patient

The present application relates to the technical field of medical devices, in particular to a wound debridement device for blood tumor patients, comprising a handle vertically arranged, an injection part, an adsorption part and a mounting part for clamping medical cotton, the lower end of the handle is provided with a placing cavity, the mounting part is arranged in the placing cavity, the injection part comprises a first cylindrical cavity, a first button, a vertical slide and a first flow channel arranged in the handle, the mounting part comprises a fixing block arranged in the placing cavity and detachably connected with the handle, when the medical cotton is clamped on the handle by the fixing block, part of the medical cotton extends out of the lower end of the handle through the center hole of the fixing block, and the adsorption part comprises a second cylindrical cavity, a second button and an adsorption channel arranged vertically. The present application is simple and fast in operation when debriding the wound of the patient, greatly shortens the debridement time and reduces the labor intensity of medical staff, simultaneously reduces the time of exposing the wound of the patient to the outside, reduces the risk of wound infection and improves the wound healing speed.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Mechanized rapid supporting method for high-crustal-stress rockburst tunnel

The invention discloses a mechanical rapid supporting method for a high-crustal-stress rockburst tunnel, and relates to the technical field of tunnel excavation and supporting. The mechanical rapid supporting method comprises the steps that S1, early-stage monitoring and risk zoning are conducted; s2, a first-level flexible layer is constructed; s3, mounting and adjusting a secondary rigid layer; s4, performing real-time monitoring and dynamic regulation and control; and S5, checking the operation quality and circularly summarizing. According to the invention, based on a micro-seismic monitoring system and a fiber grating sensor, initial surrounding rock micro-seismic signals are collected, a rockburst risk area is identified in real time through full fusion of multi-dimensional data, a supporting mechanical arm is linked through a PLC control center, and dynamic adjustment of supporting is carried out and the supporting speed is increased through a multi-stage system supporting system and intelligent monitoring and feedback control; and the trolley integrates laser radar and background positioning, an operation path can be automatically planned according to a high-risk area defined by micro-seismic monitoring in the construction process, automatic obstacle avoidance is achieved, and therefore the damage rate of rockburst is reduced.
Owner:CCCC SECOND PUBLIC OFFICE HUAXI CONSTR CO LTD +1

Multi-working-condition spraying type liquid cooling device and mobile equipment

The utility model relates to a multi-working-condition spraying type liquid cooling device and mobile equipment, the multi-working-condition spraying type liquid cooling device comprises an evaporation section, a condensation section, a mounting bracket and a spraying adjusting mechanism, the evaporation section is provided with an evaporation cavity, a power element is mounted on the bottom wall of the evaporation cavity through the mounting bracket, and the power element and the evaporation cavity are arranged at an interval; the spraying adjusting mechanism comprises a controller, a liquid pump, a connecting pipeline, a power supply, a liquid level sensing element and nozzles, and the liquid pump is arranged in the evaporation cavity and connected with the nozzles distributed around the power element through the corresponding connecting pipeline. And the controller controls the liquid pump to start, and enables the nozzle at the corresponding position to spray the liquid working medium towards the position, exposed out of the liquid level, of the power element. According to the multi-working-condition spraying type liquid cooling device and the mobile equipment provided by the invention, the problem that a power element is easily subjected to dry burning or overheating due to sudden acceleration change generated by the mobile equipment in operation is solved.
Owner:ZHEJIANG YINLUN MACHINERY

Anti-fogging self-cleaning laparoscope

The invention relates to an anti-fogging self-cleaning laparoscope which is characterized in that a transparent glass sheet is fixedly arranged at the outer end of an objective lens at the far end of the laparoscope, and a closed carbon dioxide gas groove is formed in a gap between the transparent glass sheet and the objective lens; an air inlet pipeline is fixed along the inner wall of an outer tube of the laparoscope, a corresponding air inlet hole is formed in the near end of the air inlet pipeline, and the far end of the air inlet pipeline penetrates through the objective lens and extends into the carbon dioxide gas groove; a gas outlet pipeline is fixed along the inner wall of the outer tube of the laparoscope, the far end of the gas outlet pipeline extends into the carbon dioxide gas groove, and the near end of the gas outlet pipeline exhausts gas through a gas exhaust hole; and the air inlet is externally connected with a carbon dioxide air source. The laparoscope solves the technical problems that an existing laparoscope is prone to causing fogging of an objective lens and infection of tissue fluid in a minimally invasive abdominal surgery, consequently, the surgical field is blurred, and surgical operation needs to be interrupted due to the fact that a real-time processing function does not exist.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Downhole heading machine space section supporting material bidirectional carrying robot dog and carrying method thereof

The invention provides an underground heading machine space section supporting material bidirectional carrying robot dog and a carrying method thereof, and relates to the technical field of coal mine underground intelligent transportation. The robot dog comprises a robot dog main body, a bearing tray, a sensor module and a central controller, the robot dog main body is used for driving the leg module to move through the motor under the control of the central controller so as to autonomously complete a cargo carrying task; sensor modules connected with the central controller are arranged at the front end and the rear end of the robot dog main body, so that 360-degree road condition recognition is realized; the object bearing tray is fixed to the back of the robot dog body and used for bearing and carrying boxes for storing goods. The central controller performs automatic positioning, path finding and obstacle avoidance through visual analysis according to data acquired by the sensor module, and controls the robot dog main body to freely walk in a narrow space section of a coal mine; and the motor is controlled at any time according to needs to adjust the state of the leg module, so that the advancing direction of the robot dog main body is changed without turning around.
Owner:NORTHEASTERN UNIV CHINA +1

Receiving method of pipe jacking machine head in tunnel

PendingCN121953141AImprove reception and transportation efficiencyreduce exposure timePipe laying and repairUnderground chambersArchitectural engineeringTowing
The invention relates to the technical field of water conservancy and municipal pipeline construction, in particular to a receiving method of a pipe jacking machine head in a tunnel, which comprises the following steps: S1, fixing a receiving tackle at a first receiving end, and enabling the receiving tackle to be mounted corresponding to a first pipe jacking section; s2, the pipe jacking machine head extends out of the first pipe jacking section and is moved to the receiving tackle, and the pipe jacking machine head is fixed to the receiving tackle; s3, a first trailer is connected to one side, facing the second receiving end, of the receiving tackle, and the receiving tackle is unfixed; s4, dragging the receiving tackle towards the second receiving end by using the first trailer, and enabling the receiving tackle to reach the branch hole; s5, a second trailer is connected to the side, facing the first receiving end, of the receiving pulley; and S6, dragging the receiving pulley into the adit by using a second trailer. The herringbone intersection structure is combined with a two-way dragging method, the receiving and moving efficiency of the pipe jacking machine head is improved, a tunnel enters the follow-up secondary lining construction link as soon as possible after the pipe jacking machine receives and moves, and the collapse risk of a tunnel primary support is reduced.
Owner:CHINA RAILWAY 23RD BUREAU GRP 4TH ENG CO LTD

A water affair abnormal event early warning system based on data collection and analysis

PendingCN122222190AReduce misclassification of fluctuations as generalreduce noiseForecasting
The present application relates to the field of intelligent water management, and particularly relates to a water abnormal event early warning system based on data collection and analysis, which forms time synchronization time series data through multi-source data collection, calculates dynamic risk scores, identifies abnormal events and outputs event type confidence, generates propagation prediction results in combination with pipe network topology, executes dynamic control measures, and receives feedback to update the state through the alarm closed loop, realizes real-time early warning and accurate disposal of water abnormal events, realizes early identification and accurate attribution of short-time negative pressure backflow and high-toxicity small-volume pollution groups through multi-source time synchronization and dynamic risk assessment, gives the influence range and time window in combination with topological propagation prediction, improves the disposal directionality, and updates the state relying on the alarm-control-feedback closed loop, self-optimizes the threshold and strategy, and improves the emergency efficiency.
Owner:SHENZHEN GEOGRAPHIC RENHE TECH CO LTD