57results about How to "Protection stability" patented technology

The utility model discloses an integrated optical fiber isolator for a laser in the field of optical devices, which comprises an integrated optical fiber, the integrated optical fiber comprises an optical fiber body and a plurality of micro-nano structure pairs positioned in the optical fiber body, and the optical fiber body comprises a core layer and a cladding. The included angle between the micro-nano structure pair and the forward transmission direction of the integrated optical fiber is smaller than 90 degrees, so that the micro-nano structure pair is coupled with light which is reversely transmitted in the core layer. According to the utility model, the micro-nano structure is processed on the optical fiber body, and the micro-nano structure is utilized to realize the isolation of the reverse light, thereby not only reducing the damage of the reverse light to the device, but also being higher in integration level and smaller in size of the whole isolation device, and reducing the risk of damage.

The application relates to the technical field of LED circuit, in particular to a lamp color adjusting circuit with a thyristor light modulation module, which comprises a rectifier circuit, a multi-grade dial code color adjusting circuit, a frequency flash removing circuit, a thyristor current discharge circuit and a constant current light modulation circuit. The rectifier circuit converts an alternating current power supply into a direct current voltage to supply power to a circuit system. The multi-grade dial code color adjusting circuit adjusts the current distribution of LED lamp beads through a dial code switch and a second group of resistors, generates a color adjusting signal, carries out low-pass filtering and dynamic compensation on the color adjusting signal, and outputs a pure control signal to the thyristor current discharge circuit. The thyristor current discharge circuit adjusts a current path according to the control signal to provide a smooth and adaptive power supply for the constant current light modulation circuit. The constant current light modulation circuit realizes constant current output. The design significantly reduces the hardware cost and the complexity of the circuit system, effectively suppresses electromagnetic interference in combination with the low-frequency modulation characteristics of the thyristor, and realizes the balance between light modulation precision and the stability of the circuit system.

The application belongs to the technical field of digital information transmission, and particularly relates to a dual-mode flexible control method and system for improving communication stability of a photovoltaic station area, which comprises the following steps: marking time-effect grade labels on service data and writing the labels into a frame control field; the time-effect requirement grade labels comprise a high time-effect grade and a low time-effect grade; generating a channel deterioration tendency index based on gain increment and signal strength attenuation through inter-frame difference, filtering, weighted fusion and normalization; comparing the index with a trigger threshold and a release threshold to switch a regular scheduling state and a protection scheduling state; in the protection state, high time-effect frames are transmitted in dual-mode and low code rate coding, low time-effect frames are backed off and flow control is performed; after the deterioration tendency is stable and lower than the release threshold, the regular scheduling is restored, the buffer is emptied and the flow control is released. The application can perceive channel deterioration in advance, guarantee high time-effect instructions to be delivered reliably in priority, inhibit low time-effect data blocking and congestion, and improve dual-mode communication stability of the photovoltaic station area.

The utility model discloses a modularization data line joint, including electronic component, inner casing and outer casing, the electronic component includes PCB board, set up the plug portion of PCB board and with the display device of PCB board connection, PCB board and display device are connected through the cable, the inner casing includes upper frame and lower frame that cooperate with each other, and the outer casing includes the upper frame and lower frame that cooperate with each other. A containing cavity is defined by the upper frame and the lower frame, the upper frame is provided with a via hole, the PCB is arranged in the containing cavity, the connector stretches out of the inner shell, the display device stretches out of the via hole and then is arranged on the upper wall of the upper frame, the outer shell is integrally formed, the outer shell is provided with a positioning cavity matched with the inner shell in shape, the inner shell stretches into the positioning cavity, and the inner shell and the positioning cavity are clamped and fixed. And a window opposite to the display device is formed in the position, above the display device, of the shell. According to the connector, the connector is designed in a modular mode, namely the electronic components are arranged, then the electronic components are positioned through the inner shell, then the inner shell is fixed through the outer shell, and then modular assembly is achieved.

The application discloses a shock-absorbing type culvert with animal migration and water discharge composite functions, and belongs to the technical field of animal passageways, which comprises a square culvert, shock-absorbing structures are arranged on the left side, the right side and the upper side outside of the culvert, the shock-absorbing structures relieve the vibration caused by vehicle driving, reduce the noise size in the culvert and prevent animals from being frightened. A composite light-emitting coating structure is arranged on the inside of the upper side of the culvert, the composite light-emitting coating structure weakens the light difference in the daytime and plays the night light performance at night, thereby providing guidance for animal migration. Drainage structures are arranged on the lower sides of the culvert, the drainage structures prevent the culvert from being washed away, animal passageways are arranged at the middle positions, outer extension plates are further arranged at the entrances and exits of the culvert, organic soil layers and water storage layers are arranged in the animal passageways, the outer extension plates and the organic soil layers and the water storage layers form a boat-shaped structure, water bodies are stored in the boat-shaped structure, the boat-shaped structure is beneficial to relieving the shortage of water resources in arid and semi-arid areas, the culvert is filled by plant growth, the culvert is closer to nature, the wariness of migratory animals to the culvert is reduced, and the ecological improvement effect is achieved.

The application discloses a structure frame for preventing steel sheet pile from extrusion deformation in soft soil foundation, and relates to the field of soft soil foundation excavation. The structure frame comprises a structure frame body, buffer assemblies are symmetrically and fixedly connected around the top of the structure frame body, a lifting ring is fixedly connected to the top of a top plate, ground burying columns are symmetrically and threadedly connected around the bottom of the structure frame body, a first hydraulic cylinder is fixedly connected to the back of a ventilation groove inner cavity, a first hydraulic rod is arranged in the inner cavity of the first hydraulic cylinder, second hydraulic cylinders are symmetrically arranged on the two sides of the structure frame body inner cavity, a second hydraulic rod is arranged in the inner cavity of the second hydraulic cylinder, and a handle is fixedly connected in the structure frame body inner cavity. The structure frame for preventing steel sheet pile from extrusion deformation in soft soil foundation can avoid the phenomenon that the structure frame is deformed due to the extrusion of soft soil during excavation work, so that the safety of workers and the excavation efficiency are improved.

This invention relates to the field of system interface technology, specifically to a non-intrusive interface software system interface implementation method, comprising the following steps: S1: Implementing non-intrusive API middleware by defining a middleware constructor or adding injection points to the interface methods of an object. This invention achieves data interaction through non-intrusive API middleware, protecting the stability and integrity of existing software. It avoids directly modifying the source code of existing software, thereby protecting its stability and integrity, reducing the risks that may be introduced by directly modifying the source code, preventing the introduction of new errors or damage to existing functions. Furthermore, using non-intrusive API middleware allows for faster integration and extension of existing software, accelerating development and deployment, reducing the complexity of integration and extension. Simultaneously, by introducing a middleware layer, existing software and external systems can evolve independently without affecting each other, achieving better usability.

The utility model discloses a filter device for beer production relates to filter device technical field, the utility model discloses a filter box still includes: extrusion part, extrusion part sets up in the filter box, the lower part of pressing, the lower part of pressing sets up above extrusion part, extrusion part includes extrusion subassembly, and extrusion subassembly installs on the filter box, and sliding assembly, sliding assembly installs in the filter box, extrusion subassembly includes extrusion frame no.

The utility model relates to the technical field of river embankment safety protection, and disclose a kind of embankment protection structure for river embankment safety protection, including embankment main part: the front end of the embankment main body is equipped with multiple concrete protection structures, the front end of the embankment main body is equipped with three moving grooves, the inside fixed connection of the moving groove has fixed link, the inside of the moving groove and the surface of fixed link are slidably connected with moving block.The embankment protection structure for river embankment safety protection, by the concrete protection structure design into can move back and forth and can swing left and right design, when water flow impacts concrete protection structure, concrete protection structure can swing along connection node small and move back and forth through moving groove and fixed link, can effectively convert impact force into the kinetic energy of structure, reduce instantaneous impact force to the damage of single part, to protect the stability of the whole embankment structure, and make overall structure more applicable to complex water condition.

The utility model discloses an ultrathin eraser and relates to the technical field of school supplies, the ultrathin eraser comprises an eraser body and a box body, one end of the eraser body along a first direction forms a working end, the thickness of the eraser body is defined as H, and H is more than or equal to 1mm and less than or equal to 3mm; the box body comprises a connecting plate, a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are arranged on the connecting plate at intervals in the second direction, the extending directions of the first clamping plate and the second clamping plate are the same, and a containing cavity is defined by the first clamping plate, the second clamping plate and the connecting plate. According to the technical scheme, the thickness H of the eraser body is larger than or equal to 1 mm and smaller than or equal to 3 mm, the ultra-thin design enables the eraser body to enter a narrow space easily, high-precision erasing operation is completed, the eraser is particularly suitable for detail processing in drawing or design, a user can control an erasing area more accurately, other parts of a picture are prevented from being erased by mistake, and the erasing efficiency is improved. Therefore, the integral integrity of the works is protected.

The utility model relates to communication information system technical field especially a kind of server for communication information system, including server main body, the one side of server main body is equipped with blowing heat dissipation mechanism, the lower side of the other side of server main body is evenly opened and is connected with hole, the outside of the wire hole is provided with wire protection assembly, the outside lower side of the wire hole is equipped with surplus line winding mechanism. Advantageous effect lies in: the utility model is closely wrapped in the surface of cable by protective sleeve, improves dustproof and moisture-proof performance, avoids dust and water vapor to enter the inside of wire hole and influences the safety of wiring;After keeping cable wiring, wiring is clear and neat and not scattered, it is convenient for subsequent maintenance gap and replacement cable, avoid that cable is pulled and dragged when, pull off the connecting line between cable and wire hole, keep server main body safe and stable connection use.

This utility model relates to the field of label printing technology and discloses a laser lithography machine for label printing, including a frame and a placement rack. A laser lithography component is mounted on the top of the placement rack. A conveyor belt is mounted on the frame. A support plate is fixedly connected to the left outer wall of the frame. A mounting plate is fixedly connected to the outer wall of the support plate. A drive component and a cleaning component are mounted on the mounting plate. A placement plate is located in the middle of the frame. A suction component and a filtering component are mounted on the placement plate. The drive component includes a motor and a cam. The motor is fixedly connected to the bottom of the outer wall of the mounting plate, and a turntable is fixedly connected to the motor's output end. In this utility model, by setting up a drive component and driving the cam with a motor, intermittent conveying of products is achieved, ensuring the continuity and stability of product processing, thereby significantly improving processing efficiency.

The application relates to the technical field of high ignition point insulating oil, and particularly discloses a metal-supported catalyst and application of the metal-supported catalyst in high ignition point insulating oil. The metal-supported catalyst comprises a carrier, an active metal supported on the carrier and a composite metal oxide mesoporous layer, the carrier is a metal oxide and is at least one selected from MoO2, Al2O3, ZrO2, MgO, TiO2 and SnO2; the active metal is a transition metal and is at least one selected from Fe, Co, Cu, Ni, Ti, Zr, Mn, V and Zn; and raw materials of the composite metal oxide mesoporous layer comprise SiO2, ZrO2 and a carbon precursor. The metal-supported catalyst can be used for synthesizing ester insulating oil, can produce high-efficiency catalysis on synthesis of the ester insulating oil with a small amount, has high cycle stability and can keep excellent catalytic efficiency after multiple cycles.

This utility model relates to the field of measuring instrument technology, and in particular to an infrared thermal imager, comprising: a housing, an image acquisition module, a heat sink, and a main control circuit board; the image acquisition module, the heat sink, and the main control circuit board are all disposed within the housing; the image acquisition module includes an infrared camera module and a visible light camera module, which are fixedly disposed on the front side of the heat sink; the main control circuit board is disposed on the rear side of the heat sink, so that the heat sink forms a heat dissipation space between the image acquisition module and the main control circuit board, creating an airflow channel, improving heat dissipation efficiency, avoiding direct heat accumulation on the circuit board, protecting the stability and lifespan of electronic components, preventing performance degradation due to overheating, and thus playing a role in thermal isolation and protection.

This invention provides a method and system for multimodal information semantic anchoring and dynamic incremental updating of star maps based on star map coordinates. It solves problems such as deep semantic alignment and includes: S1: multimodal semantic anchoring; S2: incremental update triggering; S3: local impact assessment; S4: atomized incremental operation; S5: consistency maintenance. This invention has advantages such as deep semantic alignment and good learning stability.

This invention discloses an adaptive distributed support vector regression method to combat Byzantine faults. First, the objective function of the SVR model is smoothed to construct an empirical risk minimization objective function. Then, with t=1, the master machine obtains initial parameter estimates on its local data. In the t-th iteration, a MOM-based aggregation method is used to obtain the MOM estimate, which is then used as the global gradient estimate. Subsequently, a robust global gradient is obtained based on the global gradient estimate. After obtaining the robust global gradient, the master machine updates the global parameters using gradient descent. Finally, it checks whether the convergence condition is met. If the convergence condition is not met, the above steps are repeated; otherwise, the globally optimal parameter estimate is obtained. By introducing a robust aggregation mechanism based on the MOM method, it can effectively suppress the influence of abnormal machines, significantly improving the stability and robustness of the system while ensuring prediction accuracy. It can be widely applied to various practical distributed systems.

The utility model belongs to refrigerating equipment applied to cell culture, and particularly relates to the technical field of cell culture.The refrigerating equipment comprises a base, a holding rod and a shell are connected to the upper portion of the base from left to right, nine dampers are connected to the bottom face of the inner wall of the shell in an array mode, and a sealing box is connected to the tops of the dampers; a sealing plate is in lap joint with the top of the sealing box, five brackets are sequentially connected to the interior of the sealing box from top to bottom, four limiting rings are connected to the upper portions of the brackets, culture dishes are connected to the inner walls of the limiting rings, and a nitrile rubber ring at the bottom of the previous bracket is extruded on the culture dish of the next bracket; according to the design, the adjacent culture dishes are in close contact through the nitrile rubber pads, meanwhile, the sealing plate is arranged at the top of the uppermost bracket, and the nitrile rubber pads arranged at the bottom of the sealing plate extrude the tops of the culture dishes, so that the overall sealing performance is further enhanced, and the sealing effect cannot be influenced by shaking or vibration.

This utility model relates to a construction structure for a ventilation shaft in a tunnel section for direct shield tunneling. The construction structure includes: end reinforcements on the outer sides of the shaft walls on both sides opposite to each other along the shield tunneling direction; a portal on the inner end of the shaft wall of the end reinforcement structure, through which the reinforcing steel bars of the shaft wall are cut; and a backfill structure in the third basement level, comprising a cement-soil filling section and a mortar filling section. The cement-soil filling section is frustoconical with each side sloping upwards; the upper side of the sloping surface on each side of the cement-soil filling section is the mortar filling section. This utility model solves the problem that hydrogeological conditions cannot pre-reserve portals for direct shield tunneling, enabling direct shield tunneling construction and ensuring the safety and stability of the shield.

The invention discloses a pretreatment method of a microorganism single-cell sequencing sample and a microorganism single-cell RNA sequencing method.The pretreatment method is carried out in a sampling tube, a sample fixing cavity and at least one independent cavity isolated from the sample fixing cavity are arranged in the sampling tube, and fixing liquid is preloaded in the sample fixing cavity or the independent cavity; a diluent is preloaded in the independent chamber, and at least one of the stationary liquid and the diluent contains a nucleic acid protective agent. The method comprises the following steps: sampling a sample and sealing a sampling tube; mixing the sample with the stationary liquid under a closed condition for fixing; and the diluent and the stationary liquid are mixed in the sampling tube before, at the same time or after fixation, so that the diluted stationary liquid and the sample coexist in the sampling tube to be fixed and stored, or the stationary liquid is diluted in the sampling tube after fixation is completed and then stored. The fixing and storing processes are both completed in the closed sampling tube.

This utility model relates to the technical field of sweeper reducers, specifically a protective housing for a sweeper reducer, including a reducer body, a motor body, a mounting base, and a protective device. The motor body is mounted on the reducer body and is used to drive the reducer body. The mounting base is fixed on the surface of the reducer body, and the protective device is disposed on the surface of the mounting base. The protective device includes an iron cover, which is located above the reducer body. This utility model, by setting up the protective device, forms a closed protective space through the iron cover, a sliding iron cover, and a magnetic cover plate. The positioning part can position the iron cover, which can shield and protect the reducer body and the motor body. It can reduce the direct impact on the surface of the reducer body and the motor body caused by accidental contact during operation and bumps during tool handling, and reduce damage such as scratches on the housing and deformation of components caused by external impacts, thereby protecting the integrity of the equipment's appearance and the stability of its internal structure.

The application discloses a kind of distributed bionic anti-collision protection structures suitable for bridge pier, belong to bridge structure protection technical field, including main beam and pier, main beam is set on pier by support, the middle and lower part of pier is provided with distributed fish scale bionic anti-collision structure, for effectively protecting pier from being destroyed when encountering impact.The application can be prefabricated in factory, installed at construction site, and connected between pier and pier and main beam is simple, easy to construct, and can realize rapid installation.

The application provides a pipe joint jacking line on the ground wall rapid obstacle removal system and obstacle removal method, belongs to the pipe jacking construction technical field, adopts a four-in-one system of "laser positioning, ultrasonic detection + drilling and grouting + ultrahigh pressure abrasive water jet cutting + forced discharge", and completes the pipe joint jacking line on the ground wall rapid obstacle removal. The application adopts the ultrahigh pressure abrasive water jet device, has higher efficiency and smaller vibration than the traditional mechanical breaking, compared with the extensive management of the traditional mechanical breaking construction, the laser positioning, ultrasonic detection and BIM technology are used, the position and breaking sequence control of the ground wall breaking area are more accurate, the breaking construction safety is ensured, the influence of the breaking residue on the subsequent jacking construction, the soil disturbance caused by the breaking area exceeding the planned area and the reduction of the safety and reliability of the existing structure are avoided, and the like. When the ground wall is broken, the ground space is not occupied, a working well is not drilled, the surrounding traffic is not affected, and the like, and the construction is convenient.

The application discloses a kind of functionalized magnetic beads, which are magnetic microspheres formed by wrapping magnetic beads with bifunctional nucleic acid, and can specifically bind mRNA.A fungal mRNA extraction kit composed of functionalized magnetic beads includes grinding material, lysing solution I, lysing solution II, magnetic bead binding solution, washing solution I, washing solution II and eluent.A mRNA extraction method includes sequentially adding grinding material, lysing solution I, lysing solution II, magnetic bead binding solution, washing solution I, washing solution II and eluent after sample pretreatment to obtain mRNA product.The application breaks through the traditional mRNA extraction method, obtains high-quality mRNA, and has the advantages of simple operation, safety, high sensitivity, good reproducibility and low cost.The mRNA obtained by the application can provide high-quality templates for RT-PCR detection, improve the specificity and sensitivity of detection, and has wide application prospects in the fields of clinical diagnosis of diseases, judicial identification, food safety detection, microbial detection and molecular biology.

The utility model relates to the technical field of superconducting magnet cooling, and discloses a liquid-helium-free superconducting magnet cooling device which comprises an installation disc, the inner wall of the installation disc is fixedly connected with a magnet container body, the outer wall of the installation disc is fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly provided with a sliding block. A sliding strip is slidably connected to the outer wall of the sliding block, the upper surface of the sliding strip is fixedly connected to the inner wall of the magnet container body, a sealing disc is fixedly connected to the outer wall of the sliding block, the inner wall of the rotating ring is rotatably connected to the inner wall of the magnet container body, and a sealing assembly is arranged on the inner wall of the sealing disc; the sealing assembly is used for maintaining the vacuum environment of the equipment. According to the utility model, the sliding block is pushed and pulled through the electric push rod, so that the sliding block drives the sealing disc to slide, and the effects of keeping the vacuum degree around the magnet, enabling the magnet to be in a low-heat-conduction environment, maintaining a low-temperature state and reducing the refrigeration burden of a refrigerator are achieved.

This invention discloses a composition for inhibiting the photodegradation of ergothioneine based on glucosyl hesperidin, comprising glucosyl hesperidin and ergothioneine, wherein the weight ratio of glucosyl hesperidin to ergothioneine is 0.1-2.5:0.001-1, and wherein the content of glucosyl hesperidin in the composition is 0.001-3 wt%. This invention also discloses the application of glucosyl hesperidin in inhibiting the photodegradation of ergothioneine, the antioxidant use of the composition based on glucosyl hesperidin and ergothioneine, and the application of this composition in topical skin preparations.

The present application relates to the elevator technical field, propose a kind of parking elevator, including car, the parking platform located outside car, the vehicle loading device located in car, the conveying device of traction vehicle loading device between car and parking platform moves, the top of the parking platform is placed for the drop-off frame for the lateral parking of vehicle relative to car, the present application is lifted by the contact of jacking mechanism and parking platform, so that the top plate on vehicle loading device and turntable will be lifted up with the drop-off frame of vehicle, and the orientation of vehicle is adjusted by driving mechanism drives turntable, the stability of vehicle is protected under the premise that it is not necessary to artificially operate and drive automobile to drive into car, and compared with prior art, the orientation of automobile can be adjusted only by vehicle loading device, without setting turntable on each parking floor, design cost is saved, the problem that the cost of construction is increased and the overall layout of elevator is influenced in the multi-turntable system in prior art is solved.

The invention discloses a method for preparing a fibrous membrane from supercritical CO2, and relates to the technical field of plant extracts. The invention provides a method for preparing a fibrous membrane from supercritical CO2, which comprises the following steps: S1, mixing pretreated peony residues and wall materials, and carrying out supercritical CO2 treatment to obtain a mixture A; the pressure of the supercritical CO2 treatment is 7 to 13 MPa; the temperature of the supercritical CO2 treatment is 25 to 50 DEG C; and S2, carrying out electrostatic spinning on the mixture A, collecting fibers, and freeze-drying to obtain the fiber membrane. The supercritical CO2 process provided by the invention can overcome the problems of lengthy process, solvent residue, resource waste, poor spinning performance and the like, and realizes synergistic integration of essential oil extraction and residue-based functional fiber preparation.

The utility model relates to a small current line selection device technical field, the utility model provides a kind of anti-electric shock type small current line selection device, including installation shell body, the line selection device body is fixedly installed in the inside of installation shell body, the heat dissipation mechanism is equipped in the inside of installation shell body, PLC control panel is fixedly installed on the outer wall of the front end of installation shell body;Wiring hole, the rear end of installation shell body is fixedly installed with several groups of wiring hole, the outer wall on the rear end of installation shell body is equipped with protection mechanism, the top of installation shell body is equipped with moisture-proof mechanism. Through the above technical scheme, the technical problems, such as low heat dissipation efficiency of existing small current line selection device, prone to damage due to damp, wiring hole prone to dust, resulting in poor contact, frequent failure and the like are solved.

The invention belongs to the technical field of metal surface treatment, and particularly relates to a metal surface corrosion-resistant and wear-resistant coating as well as a preparation method and application thereof, and the coating comprises the following components in percentage by weight: 60-75% of nickel-based alloy powder, 5-15% of nano oxide particles, 10-25% of coated graphite particles and 5-10% of a metal binding phase; the coated graphite particles take graphite particles as cores, and the outer layers of the coated graphite particles are coated with metal oxide nano layers. The surface hardness and the wear resistance are obviously improved; the coated graphite particles of the core-shell structure effectively protect the stability of the graphite in a flame spraying high-temperature environment, avoid the problem of failure of functional components in the prior art, and gradually release the graphite in the service process to form a self-lubricating surface and reduce the friction coefficient. Through a multi-component synergistic effect mechanism, the coating can still keep surface integrity under the severe working condition of coexistence of high load and strong corrosion, and the service life of key parts is remarkably prolonged.