22results about How to "Avoid expansion" patented technology

The invention provides a power business anti-quantum cryptography migration progressive control method based on risk awareness, and belongs to the technical field of migration control, and the method comprises the steps: collecting key parameters of all to-be-migrated businesses in a power system, carrying out the standardization preprocessing of the collected key parameters, and constructing a business feature matrix; acquiring relevant parameters of quantum attacks in real time, and calculating a real-time quantum attack risk value of each service to be migrated; based on the service feature matrix and the real-time quantum attack risk value, constructing a dynamic migration rhythm adaptation model, and calculating a migration priority, a migration rate and a migration interval of each service to be migrated; and constructing a migration fault-tolerant and recovery model, monitoring the migration process in real time, calculating a fault influence range and recovery cost based on fault information, and executing corresponding adjustment operation. Accurate, dynamic and high-reliability control of anti-quantum password migration of the power business is realized, safe and stable operation of the power business in the migration process is guaranteed, and the migration efficiency and the anti-quantum attack capability are improved.

The utility model discloses an access disinfection chamber for aquaculture. The access disinfection chamber is exquisite in structure and practical. A plurality of parallel and spaced horizontal cross rods are arranged in a disinfection tank with an opening in the upper end of the bottom plate, two ends of the cross rods are fixed on the inner side wall of the disinfection tank, and disinfectant fluid submerging the cross rods in the tank can disinfect shoes. The bristles on the shaft walls exceed the upper end face of the cross rod, the two ends of each rotating shaft are rotationally installed on the inner side wall of the pool, one end of the same side penetrates out of the pool wall and is fixedly provided with a transmission wheel, and a driving part for driving the transmission wheel to rotate is arranged outside the pool and can drive the bristles to rotate and brush soles. Baffles are fixedly arranged at the upper ends of two opposite side walls of the disinfection tank, the upper ends extend obliquely upwards, and a space is reserved at the top to form a channel. A water supply pipe is fixedly arranged on one side, facing the middle of the pool, of the baffle, and a plurality of atomizing nozzles on the water supply pipe spray water mist towards the middle of the pool to disinfect body parts of personnel. The disinfection room can perform shoe disinfection and spray disinfection at the same time, and the disinfection efficiency and the disinfection effect are improved.

The application provides a digital twin and cloud edge collaborative deep-sea mining system fault diagnosis method and system, and relates to the technical field of deep-sea mining system fault diagnosis. The method comprises the following steps: constructing a digital twin model and performing mechanism monitoring; edge side signal processing and component level intelligent diagnosis; cloud data aggregation; double-engine information fusion and decision making are performed in the cloud diagnosis center; uncertainty quantification and visual output are performed. The application constructs an intelligent diagnosis architecture based on digital twin and cloud edge collaboration, deeply integrates mechanism models and artificial intelligence, realizes early warning of system level chain faults, robust diagnosis of weak component faults in a strong noise environment, and provides high credibility diagnosis conclusions with quantitative confidence and decision support information, thereby significantly improving the safety, reliability and operation intelligent level of deep-sea mining operations.

The application relates to the technical field of robot devices, in particular to an intelligent inspection robot; a mechanical arm is further installed on the top of the vehicle frame and is used for controlling a polishing cutter head to polish a pipeline crack; a steering rod is rotationally connected to the front end of the vehicle frame through a rotating motor; a camera and a crack filling assembly are vertically arranged on the steering rod along the axial direction of the steering rod; the camera is used for capturing pipeline crack image information, and the crack filling assembly is used for spraying a repairing liquid into the pipeline crack; vertically arranged waterproof plates are symmetrically arranged on the front end and the rear end of the vehicle frame through supporting rods; a drainage assembly is arranged on the waterproof plate close to the vehicle frame and is used for cleaning pipeline accumulated water at the pipeline crack. After water is sealed and isolated by the waterproof plate, the drainage assembly is used for draining water at the crack, and then the crack filling assembly is used for repairing the crack, so that the three components are combined to repair the crack in the pipeline.

The utility model discloses a kind of anti-box edge outward expansion's bubble pressing mould, it is related to packaging box processing technical field, including base, the middle part of base is fixedly installed with driving device, the top of base is fixedly installed with shift mechanism with ring shape arrangement at equal intervals, the top of shift mechanism is fixedly installed with extrusion mould group;The driving device includes rectangular groove and driving motor, and the driving motor is fixedly installed in the middle of the bottom of base.The utility model adopts the above structure, and the extrusion mould group can be adjusted along the base radial by the shift mechanism of the device, and the different packaging box peripheral size is adapted;Vertical and horizontal adjustment group can realize fine adjustment of height and horizontal direction, by adjusting screw rod, not only four mould plate spacings and height can be flexibly adjusted, but also mould plate can be conveniently disassembled and replaced, satisfy diversified production demand, improve mould versatility, reduce die change frequency, improve production efficiency and reduce cost.

The application relates to a compressor damage degree detection and maintenance method and device, wherein the steps of the method comprise the following: in the case that it is detected that the compressor is in a reverse rotation state, a first target operating parameter of the compressor is collected, and it is judged whether an immediate shutdown condition is met according to the relationship between the first target operating parameter and a first preset threshold value; if the immediate shutdown condition is met, the compressor is immediately controlled to be shut down; after the compressor is switched to a forward rotation state and stably operates, a second target operating parameter of the compressor is collected, the second target operating parameter is converted into a quantitative score representing a damage degree, a plurality of quantitative scores are weighted and fused according to the contribution degree of the second target operating parameter to reverse damage, and a comprehensive health index representing the damage degree of the compressor is obtained; according to the matching relationship between the comprehensive health index and a plurality of preset damage grade threshold value intervals, the damage grade of the compressor after reverse rotation is determined, and a maintenance strategy corresponding to the damage grade is output.

This invention provides a control method for a multi-core processor. The method includes: a master core monitoring a slave core in real time; when the slave core is in a cache coherence failure state, saving the slave core's execution information and sending a reset command to the slave core; the slave core responding to the reset command sent by the master core repairing its cache unit according to the standby command in the storage unit; and after the repair is completed, entering a sleep state; and the slave core responding to a wake-up command sent by the master core resuming execution of its original task based on the execution information in the wake-up command. This invention ensures the normal access and use of cached data resources by the slave core, improving processor operating efficiency. Furthermore, this solution eliminates the need to pre-define fallback paths to the Uncached area for various potential error scenarios, resulting in lower software development costs.

The present application relates to the technical field of air duct, especially to a multifunctional air duct based on golf ball surface for reducing noise and air resistance. The technical problem to be solved is that the existing air duct cannot intercept and clean the impurities carried in the airflow when the air duct is ventilated, which reduces the indoor air quality, and the airflow circulating in the air duct cannot be noise-reduced, and the noise generated in the air duct causes people to be unable to concentrate on work. The technical scheme is as follows: a multifunctional air duct based on golf ball surface for reducing noise and air resistance, which comprises a pipeline and a flange; the pipeline is provided with a flange for fixing the pipeline. The golf ball surface structure formed by the first recesses reduces the range of the tail flow of the air guide, which is beneficial to reduce the resistance when the air guide moves backward, and the second recesses reduce the range of the tail flow passing through the air guide, which is beneficial to reduce the noise generated when the airflow passes through the air guide.

The application discloses a power monitoring network security configuration reinforcement device, which comprises a shell with a first installation cavity inside, wherein electrical elements are arranged in the first installation cavity; a side wall of the shell is provided with a ventilation opening; the shell is provided with a plugging mechanism and a warning component; the plugging mechanism comprises a baffle and a driving assembly; the baffle is adjacent to the ventilation opening; the driving assembly comprises a control component, an electromagnet and a magnetic block; a first elastic component is arranged between the electromagnet and the magnetic block; the first elastic component drives the magnetic block to have a moving tendency close to the electromagnet, so that the baffle is kept at a position away from the ventilation opening; the baffle is connected to a side surface of the magnetic block away from the electromagnet; the control component is connected with the electromagnet and the warning component respectively; the control component can control the electromagnet and the warning component to be electrified when on fire, so that the electromagnet generates a magnetic property opposite to that of the magnetic block, the magnetic block is moved and drives the baffle to move to plug the ventilation opening, so as to isolate air and avoid the expansion of fire; meanwhile, the warning component can issue an alarm to remind to eliminate hidden dangers in time.

This utility model discloses a beverage brewing apparatus, including a base (1), a first component (2), and a second component (3). When the second component (3) is moved to its extreme position, it closes with the first component (2) and defines an extraction chamber for containing a capsule (10). The second component (3) includes an outer cup (31) and an inner cup (32), the inner cavities of which together define a base (301). The apparatus is characterized by a sealed fit between the outer wall of the inner cup (32) and the inner wall of the outer cup (31), forming a closed hydraulic cavity (302) between them. The outer cup (31) has a first liquid inlet channel (311), and the inner cup (32) has a second liquid inlet channel (321). Compared with the prior art, this beverage brewing apparatus avoids base expansion without the need for additional blocking devices.

The utility model relates to the field of water ecological restoration, in particular to a device for planting and observing submerged plants in situ, which comprises an overwater device, an underwater device and a fixing rod, the overwater device is connected with the fixing rod and can move up and down along the fixing rod, and the underwater device is arranged below the overwater device. The overwater device comprises a floating bed and a framework arranged on the floating bed, and is characterized in that the framework comprises a first frame and a second frame, the first frame is arranged above the second frame, a plurality of supporting rods are further arranged between the first frame and the second frame, one end of each supporting rod is fixed to the first frame, and the other end of each supporting rod is fixed to the second frame. According to the device, the double-layer frame is arranged and matched with the supporting rods to form a groove-shaped structure, so that the floating bed is clamped and fixed, and the device is simple in structure, low in manufacturing cost, high in practicability, convenient to manufacture and capable of being massively manufactured according to needs to meet experiment requirements.

This invention relates to a method for preventing steel pile-up in roughing mills with vertical and horizontal rolls, belonging to the field of metal rolling technology. The main steps of this method include: first, identifying the rolling pass; then, judging and quickly stopping deviations in odd-numbered passes; next, controlling the billet head before it passes the vertical rolls in even-numbered passes; and finally, controlling the billet head after it passes the vertical rolls in even-numbered passes. According to the control method of this invention, deviations and slippage-induced deviations in the roughing mill can be judged promptly and accurately, triggering quick stops, thereby preventing the escalation of steel pile-up accidents and shortening the handling time for such accidents.

The present invention provides a method for producing a heat transfer inhibiting sheet having strength capable of maintaining the shape of the heat transfer inhibiting sheet and high holding performance of inorganic particles, thereby maintaining excellent heat insulation performance. The method for producing a heat transfer inhibiting sheet has a processing step of processing a mixture into a sheet shape by a dry method, the mixture containing inorganic particles (4) and binder fibers (3) having a core-sheath structure. The binder fibers (3) having a core-sheath structure have a core portion (1) extending in the length direction thereof and a sheath portion (2) formed so as to cover the outer peripheral surface of the core portion (1). The melting point of a first organic material constituting the core portion (1) is higher than the melting point of a second organic material (7) constituting the sheath portion (2).

The utility model discloses an air inlet noise reduction structure and gas heating water heater, the air inlet noise reduction structure comprises a noise reduction pipe and noise reduction cotton, the noise reduction pipe is provided with an air inlet end, an air buffer end and a connecting end, the air inlet end is provided with a trumpet-shaped air inlet, the air buffer end is of a round inverted L-shaped structure, and the connecting end is connected with the noise reduction cotton. The joining end is provided with a joining port for joining a premixer; the silencing cotton sleeve is arranged at one end of the air inlet end close to the air inlet. According to the air inlet noise reduction structure, through the structure that the noise reduction pipe is combined with the noise reduction cotton, the noise reduction cotton is used for absorbing noise generated by friction between air and the inner wall of the pipeline in the air inlet process, the air inlet noise is prevented from being further expanded through the pipeline, and through the action of the long and smooth noise reduction pipe, the air inlet noise is further reduced; the ignition deflagration sound of the subsequent water heater and the low-frequency noise generated during small fire combustion are reduced.

This invention relates to the field of ground source heat pump drilling technology, and particularly to an auxiliary device for ground source heat pump drilling, comprising a rigid support unit, an elastic support unit, a conversion unit, and an adjustment unit. Through the coordinated operation of the rigid support unit, elastic support unit, conversion unit, and adjustment unit, this invention achieves adaptive switching of working state and contact area under varying well diameter. In the wide diameter section, the inner and outer sleeves rotate relative to each other, and the main and auxiliary support components jointly contact the well wall to form stable support, effectively avoiding excessive scraping of loose formations that could cause diameter expansion, while also reducing frictional resistance with the well wall. In the narrow diameter section, the conversion unit switches the inner and outer sleeves to a synchronous rotation state, and the adjustment unit drives the auxiliary support component to retract, leaving only the main support component in contact with the well wall and rotating to scrape it, significantly reducing frictional resistance while efficiently removing mud cake and eliminating the risk of blockage.

This utility model discloses a quick-connect front-mounted connector for rapid installation, relating to the field of quick-connect technology. It includes an angle connector, a plug, and a limiting mechanism. The angle connector includes a connecting tube and a sleeve at one end of the connecting tube. The limiting mechanism includes an elastic limiting component on the sleeve and a snap-fit ​​component on the plug. The elastic limiting component includes an elastic element and a snap-fit ​​head connected to the elastic element, the snap-fit ​​head having a snap-fit ​​groove. The snap-fit ​​component includes a snap-fit ​​cover and a snap-fit ​​block on one side of the snap-fit ​​cover. The plug is detachably inserted into the sleeve. During the insertion of the plug into the sleeve, the snap-fit ​​block presses against the side wall of the snap-fit ​​groove, causing the snap-fit ​​head to rotate and twist the elastic element, thus causing the snap-fit ​​block to engage with the snap-fit ​​groove. Therefore, during the insertion of the plug into the sleeve, the snap-fit ​​between the snap-fit ​​block and the snap-fit ​​groove is automatically completed, achieving quick installation. The elastic force of the elastic element ensures a more secure engagement between the snap-fit ​​block and the snap-fit ​​groove, preventing engagement failure due to vibration or other factors.

The utility model discloses a directional skin dilator of configuration in neck, include: dilatation sac. Two piece of the side wall of interlayer drainage board and the inner wall fixed connection of dilatation sac, separate to get dilatation part and stable part. The fixed part ring is equipped on the side wall of interlayer drainage board, and the end of fixed part penetrates the sac wall of dilatation sac and interlayer drainage board. Liquid path catheter and dilatation sac fixed connection. Injection pot and liquid path catheter fixed connection. The utility model is equipped with interlayer drainage board in dilatation sac, and the inside is divided into dilatation part and stable part through being provided with interlayer drainage board, makes after injecting liquid, liquid mainly is located dilatation part, thereby prevents liquid under the action of gravity and only dilatation lower half part of dilatation sac, and because neck lacks support and expands inwards. The inside of dilatation sac is provided with the partition plate and is separated to dilatation part, and is connected different liquid path catheter, makes through above -mentioned setting dilatation sac of dilator and expands to specific direction, thereby responds to the small -range expansion of neck.

The application discloses a pipeline with a leakage point monitoring and alarming function, and belongs to the technical field of pressure pipeline leakage point monitoring and alarming, which comprises a pipeline body, a composite belt, arc-shaped clamping plates and a reinforcing assembly. The pipeline body is designed in a sectional mode, and a mounting plate is arranged on one side of the pipeline body along the length direction. The outer wall of the pipeline body is provided with the composite belt, which is used for detecting the stress change of the outer wall of the pipeline body. The outer wall of the pipeline body is provided with a plurality of groups of arc-shaped clamping plates at equal intervals. Each group comprises two arc-shaped clamping plates symmetrically arranged on the two sides of the pipeline body. The reinforcing assembly is arranged between the mounting plate and the arc-shaped clamping plates. The reinforcing assembly drives the two arc-shaped clamping plates of each group to move relative to each other, so as to clamp and reinforce the area of the outer wall of the pipeline body where the stress change occurs. The application effectively prevents the expansion of the tiny leakage of the pipeline, avoids more serious problems caused by the leakage, and guarantees the normal operation of the pipeline.

The utility model discloses a sound insulation type prefabricated filling wall plate which comprises a prefabricated wall plate. The prefabricated wall plate is composed of a bottom layer concrete plate, an upper layer concrete plate and a sound insulation layer, the sound insulation layer is composed of a grid frame, sound insulation filler, sealing plates and wing plates, the grid frame is filled with the sound insulation filler, the sealing plates and the grid frame are made of the same material, the sealing plates are fixed to the two sides of the grid frame, and the wing plates are arranged on the outer sides of the sealing plates. The sound insulation layer is used for meeting the sound insulation requirement of a building, the grid frame serves as a framework of the sound insulation layer, a supporting and fixing space is provided for the sound insulation filler, the sound insulation filler can stably play a sound insulation role, the grid frame is filled with the sound insulation filler, sound is absorbed and reflected through a porous structure of the sound insulation filler, and therefore sound transmission is reduced, and the sound insulation effect is improved. The sealing plates are fixed to the two sides of the grid frame, on one hand, the sound insulation filler can be prevented from scattering, and on the other hand, the overall sealing performance of the sound insulation layer can be enhanced.

The utility model discloses a kind of anti-explosion small lithium batteries, including lithium battery body, the outside of lithium battery body is covered with flame-retardant layer, the outside of flame-retardant layer is covered with fire resistance layer, the outside of fire resistance layer is fixedly sleeved with anti-explosion outer shell, the outside of the upper end of anti-explosion outer shell is tightly clamped with upper anti-explosion ring, the outside of the lower end of anti-explosion outer shell is tightly clamped with lower anti-explosion ring, the lower surface of lower anti-explosion ring is fixedly installed with lower sealing plate, the outer surface of lower sealing plate is provided with several evenly distributed exhaust holes, the utility model is effectively promoted by the anti-explosion outer shell of being set the external shell structure strength of the utility model lithium battery, so it can be through high-strength anti-explosion outer shell to resist the impact force of battery explosion, reduce the influence of battery explosion to outside, to have better high-strength anti-explosion use characteristics, and the structure strength of shell end portion can be effectively improved by the upper anti-explosion ring and lower anti-explosion ring of being set, avoid port portion excessive deformation due to explosion impact.

This utility model discloses an intelligent pressure regulating valve, comprising: a main valve body having an air inlet chamber and an air outlet chamber; a shut-off valve mechanism including a control valve body, a movable component, an electromagnetic component, and a control module. The control valve body is provided with a first channel, a second channel, and a connecting groove. The first channel can communicate with the air inlet chamber, and the second channel can communicate with the air outlet chamber. The movable component is movably disposed in the connecting groove, and a connecting hole is provided in the connecting groove. The electromagnetic component is disposed in the control valve body. The control module and the electromagnetic component are electrically connected. When the movable component is in the first position, a connecting gap is formed between the movable component and the connecting hole, and the connecting gap connects the first channel and the second channel. When the movable component is in the second position, the movable component blocks the connecting hole. When the air pressure in the connecting groove is too high, the movable component is pushed by the air pressure to move to the second position. When the electromagnetic component is energized, the electromagnetic component can drive the movable component to move to the second position. The shut-off valve mechanism has dual protection functions of overcurrent shut-off and intelligent shut-off.