117results about How to "Avoid hidden dangers" patented technology

The invention discloses a liquid-cooled dynamic battery cluster temperature management protection device and a temperature control method, and relates to the field of battery temperature control, and the temperature management protection device comprises a liquid cooling control terminal which is used for butting and integrating an energy storage end of a plurality of battery units and providing circulating liquid cooling synchronous with the starting of the battery units, control instructions are edited, received and issued; the data acquisition module is used for dividing a liquid cooling circulation route into a plurality of sections and detecting temperature data of liquid in different sections in the charging and discharging state process of each battery unit; the temperature deviation of each section is identified in real time, a problem area is rapidly positioned, more comprehensive and accurate temperature distribution can be obtained, abnormal conditions are helped to be identified and positioned in real time, the response speed to transient load change is improved, it is ensured that the battery is kept in a safe temperature range in the rapid charging and discharging process, and the battery quality is improved. And fault hidden dangers caused by insufficient temperature monitoring capability are avoided.

The utility model provides a roller cleaning and cleaning device, which is used for cleaning a roller in cut tobacco production equipment of a cigarette factory, and comprises a telescopic mechanism suitable for being mounted on the cut tobacco production equipment of the cigarette factory and provided with a telescopic end; the nozzle is arranged at the telescopic end and is suitable for rotating to adjust the spraying direction; the pipeline assembly comprises an ejector communicated to the spray head, a first pipeline for communicating the input end of the ejector with a clean water source, a second pipeline for communicating the input end of the ejector with a compressed air source, and a third pipeline for communicating the input end of the ejector with a steam source; wherein the telescopic mechanism is suitable for telescoping to adjust the position of the telescopic end nozzle relative to the barrel structure. The roller cleaning and washing device provided by the utility model can be used for effectively and safely cleaning attachments in the roller in cut tobacco production equipment in a cigarette factory.

The invention provides a computer fault diagnosis and repair system and method based on artificial intelligence, and belongs to the technical field of computer fault diagnosis and repair, the computer fault diagnosis and repair system based on artificial intelligence comprises a data acquisition module, a fault diagnosis module, a repair scheme generation module and a repair execution module; an artificial intelligence technology is utilized, computer faults can be quickly and accurately diagnosed, a corresponding repair scheme is generated, the efficiency and accuracy of fault diagnosis and repair are improved, computer operation data are collected in real time through a data collection module, a fault diagnosis module analyzes the data through a machine learning algorithm, a fault diagnosis model is established, and the fault diagnosis efficiency is improved. Whether the computer has a fault or not and the type of the fault can be rapidly and accurately judged, the repair scheme generation module generates a corresponding repair scheme according to the fault diagnosis result, the repair execution module can rapidly execute the repair scheme, and the fault diagnosis and repair efficiency is greatly improved.

The invention discloses injectable hydrogel for cartilage injury repair and a preparation method of the injectable hydrogel. The gel is prepared by crosslinking 3 to 4 parts of recombinant III type humanized collagen-sodium hyaluronate gel particles, 0.5 to 1 part of thrombin solution and 4 to 6 parts of fibrinogen solution. The recombinant III type humanized collagen-sodium hyaluronate-thrombin-fibrinogen gel for injection, prepared by the preparation method disclosed by the invention, has the advantages of high elastic modulus, good biocompatibility, good needle passing performance and long in-vivo degradation period. Particularly, the recombinant III type humanized collagen-sodium hyaluronate-thrombin-fibrinogen gel for injection prepared by the invention can effectively promote regeneration of cartilage tissues, and is an innovative cartilage repair gel.

An industrial robot digital twinning model self-updating method based on a reinforcement learning algorithm comprises the following steps that firstly, various real-time motion parameters of an industrial robot are collected through a sensor to serve as a training set of a digital twinning model, and an optimal control strategy is obtained after the iterative training process; different behaviors of the industrial robot are classified, and balance processing is carried out on data in the collection process; 2, constructing an industrial robot digital twinning model, and constructing a tetrad of a digital twinning system; and step 3, based on a parameter updating process of a DQ-SAC algorithm, adding a Q value on the basis of the SAC algorithm to form a double-Q network, and finally forming a DQ-SAC network. According to the method, fault characteristic parameters of the twin model are corrected by optimizing a control strategy, and self-updating of the model is achieved.

The fuel gas supply pipeline system comprises a fuel gas conveying pipe arranged in a valve group box body, a box body fuel gas inlet pipe and a box body fuel gas outlet pipe are arranged on the valve group box body, the input end of the fuel gas conveying pipe is arranged in the box body fuel gas inlet pipe in a penetrating mode and connected with a fuel gas source, and the output end of the fuel gas conveying pipe is connected with the fuel gas source. The output end of the fuel gas conveying pipe is arranged in the fuel gas outlet pipe of the box body in a penetrating mode and connected with the combustor, a pressure regulating valve and a flow regulating valve are arranged on the fuel gas conveying pipe, and a first fuel gas control valve and a second fuel gas control valve are arranged on the fuel gas conveying pipe between the pressure regulating valve and the flow regulating valve. A first pressure detection element is arranged between the first gas control valve and the second gas control valve, and a first emptying pipe is connected to the gas conveying pipe between the first gas control valve and the second gas control valve; and the first nitrogen conveying pipe in the valve group box body is connected to the fuel gas conveying pipe between the flow regulating valve and the second fuel gas control valve. The method has the advantage that the stability and the safety are greatly improved.

The utility model provides a wave-shaped beam plate forming machining device which comprises a first machining area and a second machining area, and a supporting sliding part is arranged between the first machining area and the second machining area. A push plate moving towards the second machining area is arranged on the first machining area. Positioning columns are arranged at the two ends of the side, away from the first machining area, of the second machining area correspondingly, and the distance between the two positioning columns is smaller than the width of a steel plate used for producing the corrugated beam plate and larger than the width of the formed corrugated beam plate. The semi-finished product in the first machining area is pushed to the next machining area through the push plate, and then the corrugated beam plate can pass through the position between the two positioning columns by means of the width change of the bent semi-finished product, so that automatic feeding and discharging of the corrugated beam plate are completed. And meanwhile, hidden dangers to personal safety of workers due to the fact that hands or tools of the workers stretch into the machine in the operation process are avoided.

The application discloses a downhole multi-parameter logging device and belongs to the technical field of logging while drilling, comprising a drill collar, a battery module and a circuit module are respectively arranged at the two ends of the inner cavity of the drill collar and are axially fixed through locking modules, a metal centralizer is fixedly arranged in the inner cavity of the drill collar, a plurality of independent centralizing blocks are arranged at the center of the metal centralizer, the drill collar comprises a drill collar body, an antenna housing, a strip-shaped magnetic core and a coil, and stable signal transmission is guaranteed, the battery module comprises annular batteries and butterfly springs, can be replaced on site and has a damping function, the circuit module comprises resistivity, azimuth gamma and inclination measurement modules, is integrally designed and has strong anti-interference performance, the metal centralizer realizes self-adaptive centralizing through centrifugal force and hydraulic damping, and the independent centralizing blocks can compensate temperature errors, the device is stable in structure, is suitable for complex well conditions, is convenient to maintain and can realize accurate and synchronous measurement of multiple parameters, thereby providing reliable data support for logging while drilling.

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.

The utility model relates to an oil fume collecting device, a food bag and a cooking utensil, which can solve the problem that spaceflight food cannot be cooked at high temperature in a space microgravity environment. The oil fume collecting device comprises a gas collecting container and a connecting valve mounted on the gas collecting container, the connecting valve piece comprises a first valve connector fixedly connected with the gas collecting container and a second valve connector used for being communicated with packaged food. The opening valve cavity is located between the first valve connector and the second valve connector and communicated with the first valve connector and the second valve connector, and the sealing valve body is inserted into the opening valve cavity in a sliding mode and is in interference fit with the opening valve cavity. When the sealing valve body is lifted to be pulled out of the opening valve cavity, the sealing valve body dredges the opening valve cavity so as to conduct an air path between the first valve connector and the second valve connector. When the sealing valve body is pressed to be inserted into the opening valve cavity, the sealing valve body blocks the opening valve cavity so as to block an air path between the first valve connector and the second valve connector.

This invention discloses a crane safety operation control system and method based on machine vision and energy optimization management, belonging to the field of crane safety operation technology. Based on visual acquisition, this invention performs pre-operation benchmark calibration and dynamic data capture during operation, achieving full-cycle data traceability and synchronization based on timestamps. This clarifies the safety boundaries of the operation area and the initial state of the equipment, avoiding deviations and lags caused by data asynchrony, and ensuring the overall process is consistent and reliable. Visual data preprocessing eliminates external interference, and precise feature data is output using a safety benchmark model. Coupled with a tiered early warning mechanism, it accurately predicts operational anomalies and the risk of live intrusion and responds accordingly, achieving layered control of safety risks. By aligning visual data and operating parameters with timestamps to generate a fused dataset, and outputting safety levels and corresponding control signals through quantitative scoring, the objectivity and relevance of the assessment are improved, ensuring precise matching between control actions and safety states.

The utility model belongs to the technical field of nursing equipment, and discloses a Mongolian medicine tea and wine therapy treatment pad which comprises a water bag fixedly installed on a bed body, a partition layer is arranged in the water bag, the periphery of the partition layer is fixedly connected with the inner wall of the water bag, the water bag is divided into an upper space and a lower space, and the upper space and the lower space are arranged in the partition layer. An upper space formed by the water bag and the interlayer is filled with carbon dioxide gas, a lower space formed by the water bag and the interlayer is filled with water, the upper side and the lower side of the interlayer are respectively provided with a pipeline, and the pipelines are respectively communicated with the corresponding upper space and the corresponding lower space. In addition, the effect of treating fire can be achieved in time in the treatment process, and precautions are taken in advance.

The utility model provides a kind of angle starting position adjustable type split and combination subassembly of interlocking mechanism, including first pivot, the first pivot is fixedly connected with limit elbow, the outside rotation of the first pivot is connected with second pivot, plunger screw is equipped on the limit elbow, the outer end of the second pivot is equipped with auxiliary switch of coupling by bolt, during the application of this technical solution, it faces different angle design of interlocking mechanism transmission part, without modification main body, by adjustable structure of limit elbow and first pivot, plunger screw compensates the movement angle of second pivot, different transmission angle demand can be adapted, the versatility in multiple interlocking mechanisms is improved;Second, indication accuracy is high, plunger screw can absorb the movement deviation of rotating shaft, limit elbow angle adjustable correction shielding deviation, correct transmission part machining and debugging error, avoid misindication, ensure in-place indication reliable, fill the existing indication structure adaptation limitation, precision is susceptible to error influence blank.

The utility model relates to a bicycle rear speed change lifting lug which comprises a body made of titanium alloy, a barrel shaft rod positioning hole and a lifting lug fixing hole are formed in the top of the side face of the body, a rear chain changer fixing hole is formed in the bottom of the side face of the body, and the middle of the body is of a hollow structure. The rear speed change lifting lug of the bicycle is made of titanium alloy materials, has better rigidity in fierce use by optimizing a stress structure, and prevents gear skipping; when the chain encounters extreme tension, the tail hook can still keep the original position so as to prevent a transmission guide plate from twisting or deviating due to excessive tension of the chain, interference between the transmission guide plate and a driving side spoke is avoided, and hidden dangers are completely eradicated.

The invention discloses a health assessment system for electrical equipment of a photovoltaic power station, and the system comprises the steps: presetting an assessment period of health assessment corresponding to each piece of electrical equipment of the photovoltaic power station, collecting and analyzing operation parameters of the corresponding electrical equipment of the photovoltaic power station after the preset assessment period is reached; therefore, the operation evaluation index of the electrical equipment corresponding to the photovoltaic power station is obtained, the health state of the electrical equipment is evaluated according to the obtained operation evaluation index, potential hidden dangers are avoided, and after the operation evaluation index of the electrical equipment is further obtained, the equipment log of the corresponding electrical equipment is extracted and analyzed. Based on the operation evaluation index of the corresponding electrical equipment and the equipment log analysis result, the health score of the corresponding electrical equipment is obtained, comprehensive evaluation is performed on the health state in combination with the operation state of the electrical equipment and the log analysis result, and the comprehensiveness and accuracy of health evaluation are improved.

The utility model belongs to the fire safety technical field, concretely relates to a kind of inductive smoke detector, including detector body, the top of the detector body is detachably connected with protective cover, the protective cover is narrow in upper and wide in lower conical structure, its outer wall is evenly spaced apart and is provided with several flow guide grooves in circumferential direction, and the top end opening width of each flow guide groove is greater than the bottom end opening width, the top axial center of the protective cover is fixedly connected with the adapter pipe, the inner side wall edge of the protective cover is fixedly connected with the water cutting ring, the water cutting ring is continuous wave shape and surrounds structure;The utility model is through the height of adapter pipe, and reserve safety interval between protective cover and ceiling, avoid the direct paste of protective cover and ceiling and block up moisture invasion, and cooperate with the isolation effect of protective cover to ceiling water seepage and the drainage structure of flow guide groove, prevent water seepage erosion detector body, guarantee the safe operation of internal electronic device, to eliminate the equipment failure hidden danger caused by water seepage.

The utility model discloses a welding fixture for various battery modules, which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a fixed base, the upper end of the fixed base is provided with a positioning square groove, the inner bottom end of the positioning square groove is uniformly provided with a plurality of bolts, the upper end of the fixed base is connected with a module, and the module is provided with a plurality of bolts. A copper sleeve piece is inserted into the upper end of the module, an insulating piece is extruded and fixed at the upper end of the copper sleeve piece, and an upper pressing plate is fixedly connected to the periphery of the insulating piece. The positioning square groove is formed in the upper end of the fixed base, the bolts are arranged at the bottom end in the positioning square groove, each module can be inserted and positioned on the bolts, and the bolts in the positioning square groove not only play a fool-proof positioning role, but also can position different numbers of modules in each set of modules, so that the positioning efficiency is improved, and the production cost is reduced. Therefore, the clamping tool can be used for clamping modules of different numbers of batteries before welding, and meanwhile, products are prevented from being crushed due to the fact that different types of modules are placed in wrong positions.

The utility model discloses a connector for testing a compressed natural gas bottle, which comprises a compressed natural gas bottle body and a connector body which is in threaded connection with the interior of the upper end of the compressed natural gas bottle body and is used for detection, the left end of the connector body is in threaded connection with a first conversion connector, and the right end of the connector body is in threaded connection with a second conversion connector; a long pipe is integrally connected to the lower left end of the connector body, a notch is formed in the lower right end of the connector body, a lifting assembly capable of being limited is arranged on the upper side of the connector body, and the lifting assembly comprises a lifting ring, a threaded rod, a limiting plate, a limiting hole and a lifting hook. Connecting plates are fixedly connected to the upper end of the connector body in a front-back symmetrical mode, mounting blocks are connected to the outer ends of the connecting plates in an embedded mode, and waterproof springs are fixedly connected into the mounting blocks. The connector for testing the compressed natural gas cylinder is convenient to install and prevents falling off during testing, the tested gas cylinder can be conveniently hoisted, falling off during hoisting is prevented, and meanwhile hidden dangers during water injection are prevented.

The present application relates to the technical field of electrical system design, and particularly relates to a spacecraft electrical system interconnection component path planning optimization method and system. The method comprises the following steps: obtaining interconnection component data; constructing adjacency relationship according to the interconnection component data to obtain component adjacency data; selecting a beam splitting point according to the component adjacency data to obtain beam splitting point data; estimating point port cost of the beam splitting point data to obtain point port cost data; generating a control linkage graph according to the component adjacency data to obtain control linkage graph data; generating an interpretation field according to the control linkage graph data to obtain interpretation field data; determining the splitting benefit of the point port cost data and the interpretation field data to obtain splitting benefit data; and evaluating the hard constraint of the splitting benefit data to obtain beam splitting point feasibility evaluation data. The present application realizes the constraint of the beam splitting point position and the control semantics, effectively avoids the cross-stage control reversal and redundancy failure problems.

The utility model relates to a TBB raw material pipeline pressure relief device, which belongs to the technical field of petrifaction and comprises a toluene storage tank, a toluene pipeline, a reflux pipeline and a reaction kettle, the toluene pipeline is connected with the bottom of the toluene storage tank and then extends upwards to be communicated to the top of the reaction kettle, and a transfer pump and a check valve are sequentially mounted on one side, close to the toluene storage tank, of the toluene pipeline along the extension direction. One side, close to the reaction kettle, of the methylbenzene pipeline is provided with a pneumatic stop valve, one end of a backflow pipeline is connected to the methylbenzene pipeline between the check valve and the pneumatic stop valve, and the other end of the backflow pipeline is connected to an inlet of the transfer pump. The backflow pipeline is additionally arranged between the check valve and the pneumatic stop valve and connected to the inlet of the transfer pump, toluene in the pipeline can be effectively discharged in time, it is ensured that the toluene pipeline does not have overpressure, the toluene in the pipeline bypasses the check valve and the transfer pump through the backflow pipeline and returns to the storage tank, the pressure of the pipeline is effectively released in time, and the safety of the storage tank is ensured. And the pipeline cannot be pierced out from the weak part of the pipeline, and hidden risks caused by leakage are avoided.

The utility model relates to a falling film type indirect liquid cooling system which comprises a cooling tower, a cooling pump, a plate heat exchanger, a freezing pump, a negative pressure hot gas condensation treatment liquid storage tank, a falling film type indirect liquid cooling unit and a controller, the liquid inlet end of the falling film type indirect liquid cooling module communicates with a liquid outlet of the freezing pump, a liquid inlet of the freezing pump communicates with a hot end outlet of the plate heat exchanger, and a hot end inlet of the plate heat exchanger communicates with a liquid outlet of the negative pressure hot gas condensation treatment liquid storage tank. A gas inlet of the negative pressure hot gas condensation treatment liquid storage tank is communicated with a gas outlet end of the falling film type indirect liquid cooling module, a cold end inlet of the plate heat exchanger is communicated with a liquid outlet of the cooling pump, a liquid inlet of the cooling pump is communicated with a liquid outlet of the cooling tower, and a liquid inlet of the cooling tower is communicated with a cold end outlet of the plate heat exchanger. The whole result is simple, water is used for replacing electronic fluorinated liquid to serve as a liquid cooling working medium, and the problem of liquid leakage can be effectively solved.

The utility model belongs to the technical field of battery top covers, and mainly relates to a battery top cover which comprises a cover plate and a sealing assembly, the cover plate is provided with a step part for assembling the sealing assembly and a liquid injection hole for assembling a plastic nail along the thickness direction of the cover plate, and the sealing assembly comprises a first sealing nail and a second sealing nail; the step part comprises a first step and a second step fixedly connected with the first step, and a first cavity for assembling the first sealing nail is formed in the first step in a surrounding manner; a second cavity for assembling a second sealing nail is arranged around the second step; the first step is fixedly connected with the liquid injection hole, the first sealing nail is provided with a first body part and a first extending part extending in the thickness direction of the first body part, and the first extending part is welded to the first step; according to the battery top cover, the air tightness can be remarkably improved, and the risk of electrolyte leakage is effectively reduced.

The utility model discloses a LED street lamp, its technical key point scheme includes casing, light -transmitting cover, sealing washer no.

The utility model discloses a novel multifunctional induction faucet which comprises a faucet assembly, an electric control system and a water path system. The electric control system and the water path system are installed in the faucet assembly. The faucet assembly comprises an upper decorative cover, an upper mounting plate, a screw, a fixing piece, a base, a rubber ring, a large nut, a pipe tooth, a faucet body, an upper clamping position, an inclined face, a glue groove and a receding groove, the upper decorative cover and the upper mounting plate are bonded together through glue, and when the hand approaches the front inductor, the electromagnetic valve automatically turns off water, and when the hand moves away the inductor, the electromagnetic valve automatically turns off water; when the hand is close to the primary side sensor, the electromagnetic valve is moved away, water is automatically boiled, when the hand is close to the primary side sensor again, the electromagnetic valve is moved away, water is automatically turned off, operation is easy, using is sanitary and safe, energy and water are saved, potential safety hazards of a traditional manual faucet are avoided, and waste of water resources is reduced.

This invention relates to the field of medical device technology, and in particular to a negative pressure drainage device for various chronic wound exudates. It includes a disposable drainage bag, a dressing, and a frame for connecting the disposable drainage bag and clamping it onto a hospital bed. It also includes a micro-negative pressure drainage drive unit located on the bottom side of the clamping unit to generate negative pressure inside the disposable drainage bag; and a fastener, a threaded structure, installed at the bottom of the frame, which is also connected to a moving plate via a transmission component. Through the cooperation of the fastener, transmission component, and moving plate, the micro-negative pressure drainage drive unit organically integrates the frame fixing operation with the negative pressure generation process. When the fastener is tightened and fixed to the hospital bed, it simultaneously drives the moving plate to reset and applies tension to the fixing spring, causing the first clamping plate to displace away from the second clamping plate, thereby pulling the drainage bag to form an outward expansion deformation, creating a continuous and stable micro-negative pressure environment inside the bag.

A nozzle blanking cap of a spacecraft thrust assembly relates to the field of spacecraft thrust assemblies and comprises a silica gel body and a pressing piece, the silica gel body comprises a base body and a limiting clamping seat, the base body is cylindrical, one end of the base body is a sealing face, and the sealing face is in contact with an outer end face when the nozzle blanking cap is used; the number of the limiting clamping seats is at least three, each limiting clamping seat comprises a supporting part and a protruding part, one end of each supporting part is connected to the periphery of one side of the sealing face of the base body, the side, facing the axis of the base body, of each supporting part and the end, away from the sealing face, of each supporting part is connected with the corresponding protruding part, so that the limiting clamping seats are hook-shaped, and the protruding parts make contact with the inner end face during use; the number of the pressing pieces corresponds to the number of the limiting clamping bases in a one-to-one mode, the pressing pieces are pre-embedded into the limiting clamping bases from the end, away from the sealing face, of the base body, and opening and closing of the limiting clamping bases are controlled through the pressing pieces. The blanking cap is convenient to mount and dismount, and redundant materials can be actively controlled.

The present invention provides a profile accessory for casement windows and casement doors that is integrally connected and connected, including a window sash profile, a rotating shaft, and two shaft caps. The window sash profile is provided with rotating shaft grooves at both longitudinal ends, the rotating shaft is inserted into the rotating shaft grooves, the two ends of the rotating shaft extend out of the two ends of the window sash profile, and the two shaft caps are respectively mounted on the two ends of the rotating shaft, and the rotating shaft can rotate in the two shaft caps. The present invention effectively overcomes the deficiencies existing in the above-mentioned prior art, and provides a profile accessory for casement windows or casement doors that is stable, secure, and will not fall off, and that does not require screws to fix the window sash and glass, effectively improving the safety performance of the casement windows and doors themselves, and completely eliminating the potential hazards of partial falling, breaking, aging, and loosening of the window sash.