195 results about "Isolation system" patented technology

The invention relates to a low-frequency vibration isolator with a wide quasi-zero stiffness interval. The low-frequency vibration isolator comprises a bearing platform, a base, a first negative stiffness assembly, a second negative stiffness assembly and a linear vibration isolation assembly. The bearing platform and the base are arranged in parallel and are both provided with bolt holes and limiting holes; a linear vibration isolation assembly is installed between the bearing platform and the base. The first negative stiffness assemblies are symmetrically distributed with the center point connecting line of the bearing platform and the base as the symmetry axis. The top of the first negative stiffness assembly is connected with the bearing platform, and the bottom of the first negative stiffness assembly is connected with the base. The two ends of the second negative stiffness assembly are connected with the two first negative stiffness assemblies correspondingly. The low-frequency vibration isolator has the characteristics of high static rigidity and low dynamic rigidity, the contradiction between the bearing capacity and the vibration isolation performance of a linear vibration isolation system is effectively solved, and the effective low-frequency vibration isolation effect on a vibration-isolated object is achieved while the bearing capacity of the vibration isolator is guaranteed.

The invention relates to the technical field of structural engineering shock isolation, in particular to a quasi-zero stiffness shock isolation device based on hydraulic negative stiffness and a design method thereof. A quasi-zero stiffness shock isolation device based on hydraulic negative stiffness comprises a vertical bearing unit which comprises at least one vertical spring, and the two ends of the vertical spring are connected to the top face of a lower connecting plate and the bottom face of an upper connecting plate respectively; the negative stiffness unit comprises a hydraulic oil cylinder and a piston rod, the piston rod extends into the hydraulic oil cylinder, and the hydraulic oil cylinder and the piston rod are hinged to the lower connecting plate and the upper connecting plate respectively, or the hydraulic oil cylinder and the piston rod are hinged to the upper connecting plate and the lower connecting plate respectively; the distance between the upper connecting plate and the lower connecting plate is increased or decreased to drive the length of the piston rod extending into the hydraulic oil cylinder to change so as to provide negative stiffness. The problems that in the prior art, when a nonlinear vibration isolation system provides negative stiffness in a metal horizontal spring compensation mode, a quasi-zero stiffness working zone is narrow, the bearing capacity is low, and the requirement for installation precision is high are solved.

The rapid cooling device comprises a cooling box body, air curtain isolation systems are arranged at the two ends of the cooling box body, and the interior of the cooling box body is sequentially divided into a pre-cooling area, a deep cooling area and a uniform temperature area in the material conveying direction; the pre-cooling area is provided with a first cooling unit, the first cooling unit comprises a compressed air source and a plurality of vortex tube coolers communicated with the compressed air source, and the output ends of the vortex tube coolers are provided with nozzles used for spraying cold air to materials; the deep cooling area is provided with a second cooling unit, the second cooling unit comprises a liquid nitrogen supply source and a plurality of atomizing nozzles communicated with the liquid nitrogen supply source, and the second cooling unit is used for spraying low-temperature atomizing media to materials. The efficient, uniform and stable cooling of the heat-conducting structural adhesive is realized, and the product performance and batch consistency are improved.

The invention provides a power distribution network single-phase earth fault processing and fault rapid regional isolation system for solving the problems existing in power distribution network single-phase earth fault regional isolation at present. The system is composed of an improved compensation damping type active intervention arc extinguishing device installed on a transformer substation bus, primary and secondary fusion intelligent switches installed at all nodes of a distribution line, and a primary and secondary fusion intelligent switch intelligent control terminal. When a single-phase grounding fault occurs, a grounding switch of the compensation damping type active intervention arc extinguishing device is switched on, a primary and secondary fusion intelligent switch control terminal of each node of a power grid generates corresponding low-resistance, medium-resistance and high-resistance zero-sequence protection fixed values, and when the single-phase grounding fault occurs, zero-sequence current protection is started to realize rapid fault area isolation of the single-phase grounding fault.

The invention discloses a digital twinning long-span bridge earthquake wind vibration and vibration reduction and isolation system and method, the system takes a high-fidelity digital model for constructing a long-span bridge as a basis, comprises full life cycle monitoring and management of the bridge under earthquake, wind vibration and vibration reduction and isolation conditions, and is based on a sky-air-ground-water integrated ubiquitous sensing module. In combination with artificial intelligence algorithms such as deep learning and a pulse neural network, real-time state evaluation of a bridge structure, material nonlinear analysis, geometric nonlinear analysis, multi-point excitation and pile-soil-structure interaction simulation, wind-induced fatigue damage prediction, earthquake vulnerability evaluation and closed-loop control scientific decision based on an artificial intelligence body are realized. According to the invention, system support and method guidance can be provided for large-span bridge anti-seismic and anti-wind design, intelligent monitoring, operation and maintenance management and vibration reduction and isolation system optimization.

The invention discloses an intelligent agent-based office network and server network intelligent isolation system and method, a storage medium and computer equipment, and the method comprises the steps that a business process analyzer determines a core business application and a data flow according to an enterprise business process, and determines business demand information according to the core business application and the data flow; the security policy engine configures a basic isolation rule of the intelligent isolation gateway according to the service demand information and the initial security policy; each sensing agent monitors network flow data and system behavior data of a deployment position; the analysis agent analyzes the network flow data and the system behavior data to generate a first risk identification result; the security policy engine receives the first risk identification result and generates a dynamic security policy according to the first risk identification result; the execution agent adjusts isolation parameters of the intelligent isolation gateway based on the dynamic security policy; and the intelligent isolation gateway isolates and controls communication data between the office network and the server network based on the basic isolation rule and the adjusted isolation parameters.

The invention relates to the technical field of underground water recharging, and particularly discloses a deep foundation pit underground water pumping and recharging balanced vacuum pressure type recharging device which comprises a basic hardware system, a sealing isolation system, a dynamic regulation and control system and a monitoring feedback system. The sealing isolation system comprises a vacuum well lid; according to the pipeline sealing assembly, a hydraulic drive sealing ring is arranged at the joint of a dewatering well water outlet pipe and a recharge well water inlet pipe, the sealing ring automatically expands to fill gaps during water injection, and air permeation is thoroughly isolated; through triple air isolation formed by water pumping pipe head immersion, vacuum well lid sealing and hydraulic sealing rings, contact between underground water and air is reduced to the maximum extent, oxidation reaction is reduced from the source, and the precipitation amount of iron and manganese oxides is reduced by 60% or above; meanwhile, bubbles and sediments can be effectively removed, more than 90% of bubbles and sediments can be actively removed through a periodic back raising and silt pumping mechanism, the anti-blocking performance of the recharge well is remarkably improved, and therefore the service life of the recharge well is prolonged.

The invention belongs to the technical field of active vibration isolation, and particularly discloses an active vibration isolation method and system based on prediction and adaptive control. Comprising the following steps: carrying out multi-degree-of-freedom dynamic modeling on a vibration isolation system, taking the pose of a load as system output, taking the control quantity of an execution mechanism as system input, and uniformly expressing unknown dynamics caused by structural nonlinearity and disturbance as a nonlinear term; constructing an adaptive neural network state observer based on the kinetic model, and estimating a state which cannot be directly measured; the method comprises the following steps: acquiring historical operation data of a vibration isolation system, preprocessing the data, constructing an input time sequence and an output time sequence, and training a long-short-term memory neural network prediction model to generate a prediction signal representing future position information; and designing an adaptive control law according to the state estimation result and the prediction signal, obtaining a feedback control quantity, and superposing the feedback control quantity with a feedforward control quantity obtained based on the prediction signal to form a control instruction for driving an execution mechanism.

To provide a droplet forming technology capable of stably sorting a droplet. Provided is a microparticle sorting device provided with a voltage supply unit that supplies a drive voltage to a vibration element that applies a vibration to an orifice that generates a fluid stream, a control unit that controls a driving condition supplied to the vibration element on the basis of a relative relationship between a droplet discharged from the orifice and a satellite droplet present between droplets, and a sorting unit that sorts the droplet containing microparticles on the basis of optical information detected from the microparticles flowing through a flow path.

The utility model discloses a cabinet that internal board position is adjustable relates to cabinet field. The utility model discloses a cabinet main part, the inside of cabinet main part is provided with the blocking mechanism for isolating pipeline, the blocking mechanism includes two groups first blocking plate and second blocking plate, the board face of first blocking plate and second blocking plate is curved type, is used for avoiding pipeline, first blocking plate and the inner wall fixed connection of cabinet main part, the inside slide connection of cabinet main part with the upper and lower sides of second blocking plate, the utility model discloses through setting up the second blocking plate of slidable and the fixed first blocking plate form dynamic isolation system, will the sewage pipe and water supply pipe and the physical separation of storage space, directly reduce the damp influence of pipeline water seepage to article, and the curved board face sets up and avoids the pipeline trend, guarantees the feasibility of maintenance while optimizing space utilization, provides additional moistureproof protection for article, avoids mould breeding problem, improves the health level.

The safety barricade system for use with metal grate flooring may include a stanchion, one or more retainers, and a warning light. The bottom of the stanchion may detachably couple to a metal grate includes a floor and may be held in place by the one or more retainers. The stanchion may be vertically-oriented such that the top of the stanchion is elevated above the metal grate, placing the top of the stanchion within the cone of vision of a user. The stanchions may be used individually to designate a position. The stanchions may be used in groups and in conjunction with caution tape to designate a boundary. The warning light located at the top of the stanchion may be illuminated to increase the visual awareness of the stanchion.

A downhole permeability monitoring apparatus for a hydrate, comprising a sealed housing (1), a pressure system, a fluid isolation system, a control and data processing system, a measurement system, and a plurality of valves. The fluid isolation system confines the sealed housing (1) in a test section; a pressure value in the test section is measured by means of the measurement system; the pressure value in the test section is adjusted by means of the pressure system, so as to disturb the pressure in the test section; and by means of a variation in the pressure value, a pressure variation curve is obtained, so as to calculate the permeability of a hydrate reservoir.

The invention relates to a multi-station optical filter surface coating device and a method thereof, and belongs to the technical field of coating devices.The method comprises the steps that a magnetic suspension conveying system, a sputtering system and a dynamic air curtain isolation system are arranged in a single tunnel type main vacuum chamber, the magnetic suspension transport system comprises a linear driving coil mounted outside the cavity, a magnetic suspension tray arranged inside the cavity and used for bearing a substrate, and a position detection unit mounted outside the cavity, and the tray and the coil realize magnetic field coupling through the cavity wall; the sputtering system comprises a plurality of sputtering target materials which are sequentially mounted on the inner top wall of the cavity, and the core progress of the invention is that a set of magnetic suspension transportation system is adopted, so that the problem of particle pollution is solved; the system is characterized in that the linear driving coil is arranged outside the cavity, the magnetic suspension tray for bearing the substrate is contained in the cavity, no mechanical connection exists between the linear driving coil and the magnetic suspension tray, and magnetic field coupling is achieved only through the non-magnetic cavity wall.

The invention provides a channel lifting type safety protection device which comprises a left stand column assembly, a right stand column assembly and a plurality of isolation belts connected between the two stand column assemblies, and each stand column assembly comprises a shell stand column and a power traction system arranged on the shell stand column. The isolation belts are arranged to move up and down under the action of a power traction system arranged in the stand column assembly. The two ends of each isolation belt are connected with the stand column assembly through isolation belt sliding mechanisms, the isolation belt sliding mechanisms comprise sliding blocks, the sliding blocks are arranged on guide rails located in the stand columns of the shell in a sliding mode, the ends of the isolation belts are connected with one end of a connecting rod through toggle clip assemblies, and the other end of the connecting rod is connected with a tensioning mechanism arranged on the outer side face of the sliding block. According to the lifting type safety protection device for the channel, the modular physical isolation technology is adopted, the lifting action of the safety equipment can be triggered in advance in a manual / remote control or automatic mode according to the abutting time of a train, and an accurate isolation system is constructed between a waiting hall and an arrival and departure train platform on the day.

The invention relates to the technical field of power electronics and transformers, in particular to a solid-state transformer fault early warning and isolation system based on protocol access, which is characterized in that when a solid-state transformer is started, a data frame generated by equipment is collected and stored by a sensor through a local control module; the protocol analysis module receives the equipment data frames and extracts information in the equipment data frames in a dynamic analysis mode; the fault early warning module analyzes the analyzed data based on a fault prediction model, predicts possible transformer faults, and evaluates prediction results; the fault isolation module is used for positioning equipment needing to be isolated according to an evaluation result, and generating related fault information by disconnecting the equipment from other components; the communication interface module reports the fault information to a central server or superior equipment for further analysis and processing of fault data; according to the system, real-time monitoring, fault early warning and intelligent isolation of the solid-state transformer are realized, and the operation safety and stability of equipment are improved.

The invention discloses a T-shaped wooden column-hole-hidden graphite hardwood-graphite layer-along column foundation stone seismic isolation system which is mainly used for seismic isolation and self-resetting of the bottom of a wooden structure T-shaped wooden column. The shock insulation system is composed of a T-shaped wooden column, three pieces of hole-hidden graphite hardwood, three pieces of concave spherical surface belt limiting edge column foundation stones, a graphite layer and three annular tempered glass sealing plates. The T-shaped wooden column is composed of three column limbs formed by connecting four round timbers through square timber ladders and bamboo plywood. The hole-hidden graphite hardwood is composed of a convex spherical section, a thick cylindrical section, a graphite-hidden hole and a thin cylindrical connecting key which are integrally processed. The graphite layer can reduce friction force between the convex spherical surface and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone can enable the T-shaped wooden column to reset automatically after an earthquake, and the limiting edge of the column foundation stone can limit excessive displacement of the bottom of the T-shaped wooden column in the vibration process. And the annular toughened glass sealing plate can be sealed and waterproof. The shock isolation system has the advantages that the earthquake action of an upper structure is reduced through bottom shock isolation of the T-shaped wooden columns, and structural toughness earthquake resistance is achieved through self-resetting after an earthquake.

An aqueous fluid is gelled in a productive zone of a subterranean formation to create a temporary fluid-impermeable barrier. The fluid contains nanoparticles, a polyacrylamide having a weight average molecular weight from about 1.5 million to 22 million Dalton and an encapsulated liquid crosslinking agent and / or a crosslink delaying agent. The barrier is formed by crosslinking the polyacrylamide. The nanoparticles remain dispersed in the crosslinked gel. The fluid-impermeable barrier is effective over a period of at least 1 hour up to 2 weeks while the downhole temperature in the well is at least 300° C.

The utility model discloses an underwater concrete spray protection pouring device, which relates to the technical field of underwater concrete construction, and comprises a trolley system, a high-pressure air isolation system, a spray mixing system and a film covering system, the trolley system comprises a trolley frame, a camera lighting device, a trolley central controller, a trolley driver, a suction machine and wheels, the camera lighting device is fixedly arranged on the front side of the top face of the trolley frame, the trolley central controller is fixedly arranged on the rear side of the top face of the trolley frame, the trolley driver is fixedly arranged on the rear side of the trolley frame, the suction machine is fixedly arranged at the bottom of the trolley frame, and the wheels are arranged at the bottom of the trolley frame. By means of the high-pressure air isolation system, direct contact between surrounding water and sprayed concrete can be effectively blocked, so that loss of cement paste is reduced, the quality of the concrete is improved, the strength and durability of the concrete are kept, and the core problem in traditional pouring is solved.

The application discloses a security hierarchical isolation system and method and electronic equipment, and relates to the technical field of artificial intelligence security, which comprises the following steps: when a system operation request is received, a system agent module determines the operation authority of an intelligent agent and / or the file layer corresponding to the operation authority, and then executes corresponding actions according to the operation authority and / or executes modification or writing actions in the file layer; when a network calling request is received, a network agent module identifies a request object, the level of the request object and the real credentials of a target external system, generates first pseudo credentials corresponding to the real credentials and an available range according to the level, and sends the first pseudo credentials to the request object, so that when a calling request initiated by the request object through the first pseudo credentials is received, the target external system is accessed by proxy according to the real credentials queried by the first pseudo credentials, thereby solving the problems of uncontrollable intelligent agent behavior and easy leakage of credentials, and realizing the consideration of security and controllability based on security isolation strategies under different situations.

A system includes a vessel including an inlet configured to receive a thermal energy source, the vessel connected to a feeder for introducing a solid sorbent to an interior of the vessel and a collector configured to receive the solid sorbent for removal of the solid sorbent from the vessel. The system also includes a heat exchanger disposed within the vessel, the heat exchanger configured to hold the solid sorbent and facilitate a heat exchange process between the solid sorbent and the thermal energy source, and an isolation system configured to isolate the interior of the vessel during introducing the solid sorbent into the vessel and / or during removing the solid sorbent from the vessel.

The application discloses a kind of on-chip integrated transient enhanced LED drive circuit, belong to power supply technical field.The circuit is applied to optical isolation system, optical isolation system utilizes light emitting diode (LED) and photodiode (PD) to realize electrical isolation, control end generates signal control LED light emitting, receiving end utilizes PD and converts optical signal into current signal, and voltage signal is amplified by transimpedance amplifier (TIA), and subsequent module processing.Due to the existence of large parasitic junction capacitor of LED, in the process of controlling switch LED, the charge and discharge of parasitic junction can affect the opening speed of LED, and further affect the overall transmission delay of optical isolation system.A kind of transient enhanced LED drive circuit proposed in this paper provides transient current in the moment of opening LED, accelerates the opening of LED.

The present disclosure is directed to a cordless power tool vibration isolation system. A solution to negative impacts of vibration on a removable battery pack caused by operation of a cordless power tool. Isolating the battery pack from the power tool reduces wear and tear on the battery pack including the pack housing, the pack terminals and internal pack components. A battery pack interface of the power tool including a discrete interface housing that mates with the battery pack and a vibration isolation element that separates and isolates the combination of the discrete interface housing and the battery pack from the power tool and the power tool's associated motor induced vibrations.

The application provides a kind of isolated virtual communication software bus implementation method based on hardware isolation, belongs to the field of virtualization technology, including isolated virtual communication software bus running on privilege layer jailhouse, isolated virtual communication software bus service module is run on the operating system corresponding to each system domain isolated by hardware, communication is realized between each system domain through isolated shared memory.The application improves the flexibility, security and versatility of communication between hardware isolated systems, and simultaneously realizes the decoupling and communication function reuse of communication between isolated systems.

An isolation system configured to at least partially isolate possible translational vibration in the directions of an X axis and a Y axis and the possible torsional vibration around a Z axis may be experienced by the load by being positioned between a ground and a load. The isolation system includes: a base platform that can be associated with the ground, a carrying platform that can be associated with the load, a tension wire in the center configured to change the natural frequencies of the isolation system by at least partially bringing the base platform and the carrying platform closer together, and a plurality of beams provided with equal distance between them and equal angles with respect to the center around the tension wire, which can be compressed at least partially under force by at least partially bringing the base platform and the carrying platform closer together.

The invention discloses a heating furnace door thermal radiation isolation system and application, the heating furnace door thermal radiation isolation system comprises a high-temperature protection assembly arranged in a junction area of a heating furnace and casting machine equipment of a continuous casting production line, and the high-temperature protection assembly comprises a first furnace door and a second furnace door arranged in parallel with the first furnace door at an interval; the first furnace door and the second furnace doors which are arranged in parallel at intervals form a double-barrier structure, the distance between the first furnace door and the second furnace doors which are arranged in parallel at intervals is 1000-2000 mm, the distance between the first furnace door and the second furnace doors which are arranged in parallel at intervals is 1200 mm, and the thickness of the air heat insulation layer is larger than or equal to 800 mm. The furnace door thermal radiation isolation system of the heating furnace is suitable for high-temperature protection of a junction area of the heating furnace and casting machine equipment in a continuous casting production line.

The invention discloses an isolation chip and an isolation system. The isolation chip includes a primary side frame, a secondary side frame, a first die, and a second die. The first tube core is connected with the primary side frame, the second tube core is connected with the secondary side frame, and the primary side frame and the secondary side frame form a three-tap transformer. According to the three-tap transformer, the frame body of the isolation chip serves as the three-tap transformer, the frame body has a larger sectional area, the coil direct-current impedance can be directly reduced, heat loss in the current transmission process is reduced, electromagnetic interference can be restrained through differential transmission of the three-tap isolation coil, and the isolation efficiency is improved.

This invention discloses a dynamic saliva suction and moisture isolation system and its control method, relating to the field of oral medical device technology. It includes: a saliva suction execution unit, an intelligent moisture isolation unit, an environmental sensing unit, and a central control unit. The environmental sensing unit collects real-time images and humidity information within the oral cavity and transmits them to the central control unit. The central control unit generates control commands based on the data transmitted by the environmental sensing unit using an intelligent algorithm. The control commands control the suction path, angle, and negative pressure intensity of the saliva suction execution unit, while simultaneously controlling the deployment and contact state of the intelligent moisture isolation unit. This invention achieves a shift from passive static suction to active dynamic management, significantly improving moisture isolation and saliva suction efficiency. It provides physicians with a continuously clear and dry surgical field of vision, reduces the frequency of treatment interruptions, and greatly enhances patient comfort. It can be widely applied in various oral clinical scenarios such as dental restoration, implantation, and periodontal surgery.

A method of treating a lead zirconium titanate ceramic transducer, such as for use in droplet delivery devices, includes washing the lead zirconium titanate ceramic transducer with an HCl solution and coating the transducer with material that prevents lead from leaching into fluid contacting the transducer.

The invention relates to the technical field of air bag pumps, in particular to an electronic air bag pump with high sealing performance. Comprising a pump body provided with a diaphragm, a push rod, a main end cover and an auxiliary end cover, the main end cover and the auxiliary end cover are connected in an involution mode and jointly form a working cavity, the diaphragm is fixed between the main end cover and the auxiliary end cover and divides the working cavity into a liquid cavity and a structural cavity which are isolated from each other, and the push rod is used for intermittently pulling or pushing the diaphragm. An auxiliary film is mounted between the main end cover and the auxiliary end cover and is parallel to the diaphragm, and an isolation cavity is formed between the auxiliary film and the diaphragm; the end of the push rod is connected with a connecting rod, the connecting rod is connected with a left clamping plate and a right clamping plate which are symmetrically arranged, and a clamping area is formed between the left clamping plate and the right clamping plate. Through a double isolation system of the auxiliary membrane and the diaphragm and the structures of the right clamping plate and the left clamping plate with variable stress areas, the diaphragm is not prone to being broken, and liquid can be prevented from leaking to the structural cavity on the other side after the diaphragm is broken.