120results about How to "Effective guidance" patented technology

This application provides a method, system, medium, and equipment for detecting thermal hazards in tunnels, relating to the field of tunnel safety detection. The method includes: acquiring geological feature data of the target tunnel; identifying a group of thermal hazard parameters with a correlation greater than a set threshold; setting a quantitative scoring range based on this; using the analytic hierarchy process (AHP) to assign weights and calculate hazard scores; then, combining relevant data to establish a dataset and training a lightweight gradient boosting model; finally, inputting data from an unexcavated tunnel section into the model to output the thermal hazard level. This application, by acquiring geological feature data, can accurately understand the environment, screen key parameters to eliminate redundancy, quantify parameters, and rationally allocate weights to ensure objective and accurate scores. It enables tunnel thermal hazard detection and early warning, providing guidance for prevention and control, reducing impact, and is of great significance to tunnel engineering.

The utility model provides an auxiliary device for sleeving a casing into a filling pipe, which comprises a curled film main body, the film main body is curled in a natural state to form a C-shaped tubular structure with a longitudinal opening, and horn mouth parts are arranged at two ends of the film main body. By arranging the curled film main body and utilizing the C-shaped tubular structure formed in the natural state, when the auxiliary device is sleeved into the filling pipe, the tubular film main body can form a temporary isolation layer between the casing and the filling pipe. And the chance that the casing is in direct contact with the port or the pipe wall of the filling pipe is reduced, so that the risk that the casing is damaged due to direct scratching is reduced, and the casing is protected. And the horn mouth parts arranged at the two ends of the film main body provide effective guidance for sleeving the auxiliary device into the filling pipe and subsequently sleeving the casing into the auxiliary device. Therefore, an operator can more easily align and place the auxiliary device at the port of the filling pipe, the alignment operation is simplified, and the smoothness of the sleeving process is improved.

The utility model relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises a connecting pile and a double-layer perforated flow guide plate. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.

The utility model relates to a heat dissipation type new energy automobile battery shell, relates to the technical field of battery shells, and aims to solve the problem of poor heat dissipation of a battery shell, the heat dissipation type new energy automobile battery shell comprises a main shell body, the two ends of the main shell body are open, heat dissipation end covers are arranged at the two ends of the main shell body, and any heat dissipation end cover comprises a base and a flow guide outer cover; the base is arranged on the side, close to the main shell, of the flow guide outer cover, the base and the flow guide outer cover are each of a hollow structure and communicate with the interior of the main shell, flow guide through holes are formed in the four side walls of the base in a penetrating mode, and a fan module is arranged in the main shell. And a fan notch for air flow to circulate is formed in the main shell. The battery pack has the effects of effectively absorbing heat generated by the battery and quickly dissipating the heat.

The utility model relates to copper wire processing technical field, and specifically is a kind of for copper wire processing's hot melting connection device, including flash butt welding machine and melting material removal component, the rack discharge end of flash butt welding machine is equipped with equipment box by bolt, the melting material removal component is installed on equipment box and passes through, and the centre of melting material removal component is aligned with the clamping surface of the electrode clamp of flash butt welding machine, the melting material removal component includes first mounting disc and second mounting disc, and the first mounting disc and second mounting disc are coaxially arranged. By flash butt welding machine and melting material removal component, a set of steel wire hot melting connection device with the function of removing the excess melting material of steel wire interface peripheral is formed, the interface peripheral of steel wire is removed by melting material removal component after the equipment box, so that the diameter of steel wire interface peripheral is consistent with steel wire, and the subsequent use effect of steel wire is guaranteed.

The utility model discloses a fine wire spool with a locking function, and relates to the technical field of wire spools, the fine wire spool with the locking function comprises a take-up shaft, the two ends of the take-up shaft are respectively fixed on the inner side of a first outer protective shell and the inner side of a second outer protective shell through bearing seats, and a clamping plate is arranged between the first outer protective shell and the second outer protective shell; the locking rod is taken out from the first outer protective shell and the second outer protective shell, the clamping plate is rotated, one end of the clamping plate is clamped to the fine line, the locking rod is inserted into the circular hole, the clamping strip of the clamping plate is located on the upper side of the locking rod, at the moment, the fine line cannot be pulled under the action of the clamping plate, meanwhile, the guiding head has the guiding effect when the fine line is pulled out, and therefore the fine line can be pulled out conveniently. Deviation during pulling is prevented; the device is simple in structure and convenient to operate, the practicability of the device is improved, fine threads can be effectively locked and guided, and the fine threads can be pulled back and reeled.

This invention provides a method for reconstructing the original sedimentary facies of a piedmont thrust fault zone. The method includes: Step 1, establishing a tectonic model of the piedmont zone based on seismic interpretation profiles; Step 2, calculating the erosion amount of each step stratum; Step 3, establishing a sedimentary facies discrimination chart; Step 4, establishing a numerical model for reconstructing the sedimentary facies of the footwall strata of the thrust fault; Step 5, inputting the calculated values ​​into a sedimentary facies template to predict the sedimentary facies of the footwall strata of different stacks. This method organically combines numerical statistics, erosion recovery, and sedimentary facies identification to establish a computational model for predicting the sedimentary facies of deeper strata buried in the footwall of the thrust fault. It provides important basis for determining the potential and scale of oil and gas resources in piedmont oil and gas exploration, and can effectively guide oil and gas drilling work in the middle and deep strata of the piedmont zone.

This utility model discloses a nighttime driving safety enhancement device at the nose of a highway, belonging to the field of highway traffic safety technology. This utility model uses nighttime vision guidance components deployed on the mainline and ramp guardrails in a designated area to continuously guide drivers in anticipating changes in traffic flow, preventing sudden accidents. Illuminated warning components behind the small nose point alert drivers to entering critical areas, while reflective guide components in front help predict road direction. Warm yellow and pure white guidance lights are respectively installed on the left and right sides to help determine road boundaries, with continuous lighting guiding the driver's line of sight along the road. A segmented guidance system is adopted: constant illumination at long distances provides stable guidance, flashing at medium distances enhances warnings, and constant illumination at close distances reduces visual fatigue. This effectively solves the problem of unstable visibility and warning effects of existing devices in the nose area at night and in low-visibility environments, and ensures guidance effectiveness under adverse conditions through a combination of active and passive illumination.

The utility model belongs to the technical field of laser lithotripsy, and discloses an in-vitro laser lithotripsy efficiency detection device. The device comprises a container, a liquid injection mechanism and a collector, the container is provided with a first opening and a second opening, the first opening is used for inserting a laser fiber, the second opening is located at the bottom of the container, the liquid injection mechanism is communicated with the container and can inject liquid into the container, and the collector is provided with a third opening and at least one fourth opening. The third opening is formed in the top of the collector, the fourth opening is formed in the bottom of the collector, the third opening is communicated with the fourth opening, the second opening is communicated with the third opening, and the size of the fourth opening is not larger than that of the second opening. By means of the device, in-vivo lithotripsy conditions can be simulated, so that detection is closer to clinical practical operation, particles obtained after lithotripsy can be distinguished according to the size, the lithotripsy effect of laser lithotripsy is evaluated, and parameter setting of clinical practical operation can be guided easily.

This utility model relates to the field of forestry stalk guiding technology and discloses a stalk guiding mechanism for agricultural and forestry planting. It includes a support side plate, a guide side plate fixedly installed on the side wall of the support side plate, a lifting rod slidably engaged on the guide side plate, a fixed top plate installed at the top of the lifting rod, and support diagonal rods installed on the top outer wall of the fixed top plate. A limiting arc plate is installed at the top of the support diagonal rods. By placing the two support side plates around the tree and supporting them against the ground with a fixing assembly, and by loosening the adjusting bolts, the support sleeve can slide relative to the support rods, thereby adjusting the initial height of the support side plates. The limiting arc plate guides the branches of the sapling, and by loosening the locking bolts, the height of the limiting arc plate can be adjusted. Therefore, this mechanism can effectively guide the sapling at different growth stages by periodically adjusting the height of the limiting arc plate.

Embodiments of the present application provide a method for obtaining user residence ratio, which comprises: generating a residence ratio list based on basic information; calculating SA residence duration of SA cells; generating a user list corresponding to each cell and a cell list corresponding to each user according to residence information of 5G SA users in each cell; calculating LTE residence duration of SA cells; and comprehensively calculating cell-level residence ratio of 5G and 4G cells. Through signaling segmentation technology, the jumping information of users between 4 / 5G networks is simulated to form the trajectory of the movement of the users jumping between 4 / 5G networks. Cell-level user residence ratio can be calculated, and the cell-level user residence ratio has more definite directionality and accuracy, which can more effectively guide network optimization engineers to perform accurate optimization.

The invention discloses a well logging interpretation optimization method and device for a water-containing tight sandstone gas reservoir. The method comprises the following steps: determining a flow unit index by utilizing analysis test data of a rock sample; clustering the flow unit indexes, and dividing the rock sample into a plurality of rock physical facies types; for each type of rock physical facies, selecting a plurality of rock samples, and establishing a standard rock sample set; well logging interpretation models of different rock physical facies are established respectively; determining an Euclidean distance between a to-be-explained reservoir section of the to-be-explained well and a flow unit index related logging curve of a reservoir section corresponding to the rock samples in the rock sample set, and determining a rock physical facies type of the to-be-explained reservoir section according to the rock physical facies type of the optimal number of rock samples with the minimum Euclidean distance; and performing well logging interpretation on the reservoir section to be interpreted by using the corresponding well logging interpretation model. According to the method, the rock physical facies are divided based on the flow unit indexes, different well logging interpretation models are established respectively, the Euclidean distance is utilized to determine the rock physical facies, and the well logging interpretation precision is improved.

A keyboard includes a bottom plate, a plurality of keys, and a backlight module. The bottom plate has a short axis direction and a long axis direction. The keys are disposed on the bottom plate. The backlight module is disposed on one side of the bottom plate. The backlight module includes a light shielding sheet, a light guide plate, and a reflective sheet. The light shielding sheet includes an upper surface and a lower surface, and the upper surface faces the bottom plate. The light guide plate is disposed on the lower surface of the light shielding sheet. The light guide plate includes a plurality of light guide structures, and the light guide structures correspond to the keys, respectively. Each of the light guide structures includes a ring-shaped portion and at least one continuous fold line portion. The continuous fold line portion is connected to the ring-shaped portion, and the ring-shaped portion is formed by a plurality of bending portions. The reflective sheet is disposed below the light guide plate.

The utility model discloses a kind of underground goaf nitrogen injection regulation and control devices.Underground goaf nitrogen injection regulation and control device, comprising: nitrogen injection pipeline;The nitrogen injection pipeline includes multiple three-way pipes and connecting pipes;Guiding assembly, switch assembly and steel wire rope are arranged in the three-way pipe;The guiding assembly includes ring pipe, guide wheel, two connecting rods are installed between the guide wheel and the ring pipe, the ring pipe is fixed in one end of the three-way pipe, multiple guide holes are opened on the ring pipe.The underground goaf nitrogen injection regulation and control device provided by the utility model is set by nitrogen injection pipeline including multiple three-way pipes and connecting pipes, and guiding assembly including ring pipe, guide wheel and guide hole is installed in three-way pipe, so that multiple steel wire ropes in nitrogen injection pipeline can pass through guide hole and guide wheel, and then connected with switch assembly, effectively guide multiple steel wire ropes in nitrogen injection pipeline, reduce the possibility of winding steel wire rope.

The invention discloses a lighting lamp with unfoldable supporting legs. The lighting lamp comprises a lamp body, trundle assemblies and supporting leg assemblies. The lamp body comprises a control seat body, a lifting push-pull rod and a luminous body; the lifting push-pull rod is erected on the control seat body, the luminous body is arranged on the lifting push-pull rod, and the luminous body realizes lifting motion based on the lifting push-pull rod; the trundle assembly and the supporting leg assembly are arranged at the bottom of the control seat body; the supporting leg assembly comprises a driving supporting leg and a driven supporting leg, a containing groove is formed in the bottom of the control base body, and the driving supporting leg and the driven supporting leg can be contained in the containing groove and can be unfolded out of the containing groove based on split type rotation. According to the illumination lamp, on one hand, a worker does not need to bend down to conduct manual operation to achieve unfolding or storage of the supporting legs, on the other hand, in the storage process of the supporting legs, the worker can be effectively guided, the worker can rapidly judge the correct storage sequence, and therefore the supporting legs are rapidly stored.

The application provides a detector pixel structure and an electronic detector. The detector pixel structure comprises a semiconductor substrate, a first and a second conductive type heavily doped layer, an insulating layer, an upper electrode, a lower electrode, an electron channel hole electrode, a metal protection ring and a doped ring; the doped ring is located in the semiconductor substrate and outside the first conductive type heavily doped layer and is exposed on the first surface of the semiconductor substrate; the insulating layer extends from the surface of a non-detection area to the surface of the semiconductor substrate, and the upper electrode extends from the surface of the non-detection area to the surface of the insulating layer; the electron channel hole electrode is located on the sidewall of the semiconductor substrate and is electrically connected to the lower electrode at one end and extends to the side surface of the insulating layer at the other end; and the metal protection ring is located on the surface of the semiconductor substrate and outside the upper electrode. The application can effectively avoid the image distortion caused by the deviation of the electron beam propagation direction, reduce the leakage current of the detector, improve the breakdown voltage and thus improve the detection performance.

The utility model relates to the technical field of constructional engineering, and discloses a green building roof which comprises an isolation layer, a plurality of installation grooves are formed in the top of the isolation layer at equal intervals, installation pipes are installed in the installation grooves, cavities are formed in the inner sides of the installation pipes, the bottom ends of the installation pipes are fixedly connected with a bottom plate, and the bottom plate is fixedly connected with the isolation layer. A plurality of water outlet holes are formed in the top wall of the bottom plate at equal intervals, a connecting pipe is installed in the middle of the top wall of the bottom plate, a plurality of grooves are formed in the outer wall of the connecting pipe at equal intervals, a leakage net is fixedly connected to the top end of the connecting pipe, and a first drainage groove is formed in the bottom end of the bottom plate. According to the utility model, residual water in a soil layer flows into the connecting pipe through the leakage net, then flows into the cavity area in the mounting pipe through the groove, and then is guided to the drainage groove I through the water outlet hole, so that the residual water can be effectively drained, and the water is prevented from eroding a waterproof layer for a long time, damaging a house roof structure and causing leakage.

The invention relates to the technical field of weighing apparatus verification and calibration, and provides a weighing apparatus verification and calibration data intelligent analysis method and system, and the method comprises the steps: obtaining a plurality of error readings of a weighing apparatus in the verification and calibration process, the collection error values of the error readings, and the maintenance record of the weighing apparatus; correcting the error reading according to the acquisition error value and the maintenance record to obtain a corrected error reading; determining performance drift data of the weighing apparatus according to the plurality of correction error readings; and performing error analysis on the weighing apparatus according to the acquisition error value and the performance drift data. The analysis accuracy of error data of weighing apparatus verification and calibration can be improved.

The invention discloses a method for detecting small defects on the surface of lightweight steel, and belongs to the technical field of industrial machine vision. The method is based on an improved YOLOv8n architecture and cooperatively works through three core technical means: firstly, a Swin Transform module is introduced into a backbone network to model long-distance spatial dependence and suppress complex background interference; secondly, a high-resolution P2 detection branch is constructed, shallow details and up-sampling semantic features are fused, and microdefect characterization is enhanced through bidirectional refining circulation; finally, P2 exclusive adaptive threshold focus loss ATFL is adopted, threshold update is only limited to P2 detection branch samples, and precise optimization of difficult and tiny defects is achieved in cooperation with a gradient directional return mechanism. According to the scheme, the detection recall rate and the positioning precision of the tiny defects are effectively improved while the model parameter quantity is remarkably reduced, and high-precision and light-weight industrial deployment is realized.

The utility model relates to a waterproof flow guide blind ditch structure at the connecting place of diaphragm wall, it includes flow guide blind ditch main part, flow guide blind ditch main part sets up at the connecting place of diaphragm wall, is used for guiding the ground water flow, prevents the ground water and accumulates at the connecting place, the utility model discloses a flow guide blind ditch is established, effectively guides the ground water flow, prevents the ground water and accumulates at the connecting place, reduces the seepage risk, improves the overall waterproof performance of diaphragm wall, guarantees the engineering quality. The application still has the advantages such as convenient construction, low cost, can satisfy the efficient and economic demand of modern underground engineering construction.

The invention discloses a pumping ring structure-based active optical fiber with high pumping conversion efficiency and an amplifier structure, and relates to the field of active optical fibers and optical fiber amplifiers, the pumping ring structure-based active optical fiber comprises a layered structure which is sequentially arranged from inside to outside, and the layered structure comprises a fiber core, a pumping ring structure, a quartz cladding and a coating layer, the optical fiber is located at the geometric center of the active fiber; the pumping ring structure is arranged around the fiber core and is used for guiding and converging pumping light to gather towards a fiber core area, the pumping ring structure is composed of one or more layers of concentric annular modulation areas, and the refractive indexes of all the layers of modulation areas are gradually increased layer by layer from outside to inside in the radial direction; according to the active optical fiber and amplifier structure, one or more layers of concentric pumping rings with refractive indexes gradually increased layer by layer from outside to inside are arranged in the cladding, and the concentration degree and energy density of pumping light towards a fiber core area can be remarkably improved to a certain extent by utilizing the guiding effect of refractive index gradients on a pumping light propagation path; therefore, higher pumping absorption efficiency and gain performance are realized.

The application discloses a kind of light storage fills integrated equipment charging protection device, including charging pile body, the charging pile body both sides are connected with plug-in mouth, two The plug-in mouth inside is inserted with charging head, the charging pile body both sides correspond two charging head below It is connected with wire collecting box, two The wire collecting box lower end is respectively connected with the upper end both sides of base, the charging pile body both sides lower part It is connected with electric cable, two The electric cable is respectively penetrated corresponding wire collecting box and extends to corresponding wire collecting box side, the present application is realized active anti-collision early warning by sensing positioning strip and light alarm equipment, with the automatic regularity of wire collecting mechanism It is realized that cable is protected, and relies on broken line mechanism to execute physical cut-off in fire time, so as to realize early warning, protection and isolation integration's charging safety protection.

This invention provides a fingerprint spectrum of Yishen Wufa Oral Liquid, its construction method, and its application, as well as a multi-index component detection method for Yishen Wufa Oral Liquid, relating to the field of pharmaceutical analysis and structural technology. The fingerprint spectrum of Yishen Wufa Oral Liquid constructed by this invention includes 20 characteristic peaks, including ferulic acid, 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside, astragaloside A, psoralen, isopsoralen, and emodin. The chromatographic peaks are abundant and attributed to the effective components of psoralen (roasted with black sesame seeds), angelica, poria cocos, wolfberry, fleeceflower root (processed with black bean wine), achyranthes bidentata, and astragalus complanatus. This provides a more comprehensive reflection of the overall chemical composition and quality of Yishen Wufa Oral Liquid, facilitating more effective guidance for feed addition and strict standardization of production operations. It also helps improve the safety and efficacy of Yishen Wufa Oral Liquid in clinical use, possessing high application value.

The invention relates to a traditional Chinese medicine composition for preventing and treating ocular surface injury caused by xerophthalmia and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 20-40 parts of spica prunellae, 20-40 parts of radix astragali, 5-25 parts of rhizoma polygonati, 5-25 parts of folium mori and 5-25 parts of fructus crataegi. Compared with the prior art, the traditional Chinese medicine composition disclosed by the invention consists of five medicinal and edible Chinese herbal medicines, is simple and convenient to take, safe and free from side effects, and can be popularized and used as a medicine for preventing and treating xerophthalmia. The traditional Chinese medicine composition disclosed by the invention can be used for remarkably inhibiting the corneal injury related to the xerophthalmia, maintaining the number of conjunctival goblet cells and providing new treatment for relieving the ocular surface injury of the xerophthalmia.

The utility model relates to the technical field of highway construction equipment, and discloses a highway construction marking device which is characterized in that a storage box and a pressure pump are mounted at the upper end of a cart, the pressure pump is connected to the bottom of the storage box through a pipeline, a spraying pipe is mounted at the output end of the pressure pump, and the spraying pipe is connected to the bottom of the storage box through two striker plates arranged at the bottom of the cart in a matched manner. When the width of the marking line needs to be adjusted, the driving motor is started, the output end of the driving motor drives the transmission gears connected with the driving motor to rotate, and the two transmission gears are meshed with each other, so that the two connecting shafts synchronously rotate to drive the striker plate to rotate around the connecting shafts, and the width of the marking line is adjusted by changing the angle of the striker plate. The range of paint sprayed by the spray head can be effectively shielded and guided, so that the marking width is flexibly adjusted, the tedious operation that equipment or the spray head needs to be replaced when a traditional device meets the requirements of marking lines with different widths is avoided, the time and labor cost are greatly saved, and the construction efficiency is remarkably improved.

The utility model relates to a static contact structure of a medium-voltage ring main unit circuit breaker, which comprises a base and a static contact plate which are integrally formed, the base is of a cuboid structure, a screw mounting hole used for connecting a static end of the circuit breaker is arranged on the base, the base is arranged at the lower part of the static contact plate, and a groove for accommodating the static contact plate is arranged on the side wall of the base. A groove is formed in the base, the static contact plate is arranged in the groove, the end faces of the two sides of the static contact plate are two vertically-arranged contact planes, the contact planes are trapezoidal, the side, close to the base, of each contact plane is provided with a contact edge arc-shaped chamfer, and the contact edge arc-shaped chamfers of the two contact planes are matched to form a transition guide part facilitating contact between the moving contact and the contact planes; the static contact structure ensures enough contact area with the moving contact, reduces contact resistance, reduces heating, improves conductivity and breaking capacity, ensures proper contact pressure between the static contact structure and the moving contact, enables the static contact structure and the moving contact to be tightly contacted, prevents poor contact, and is easy to disassemble and replace.

The application relates to the technical field of intelligent manufacturing and computer vision, and discloses a robot welding action generation method and system and electronic equipment. The application realizes adaptive elimination of visual redundancy in the time sequence dimension through global time sequence merging, guarantees complete reservation of key visual detail features in a complex welding scene through diversity perception pruning, realizes collaborative simplification of text and visual features through attention weight screening pruning, and completes dynamic adaptive optimization of bimodal features through semantic perception pruning. The application solves the defect that the prior art cannot adaptively process visual features, removes redundant features layer by layer, reduces the calculation load, greatly improves the real-time performance of welding work, accurately reserves the core visual and text semantic features required for welding action generation, fully guarantees the control accuracy of the welding action, and significantly improves the adaptive perception capability and work reliability of the robot welding system in a complex scene.