144results about How to "Solve the isolation problem" patented technology

The invention relates to a four-band multi-polarization co-aperture feed source. The four-band multi-polarization co-aperture feed source is formed by combining a double linear polarization antenna of a Ku band and a double circular polarization antenna of a Ka band and comprises a conical horn, a Ku circular waveguide, a tuning screw, a Ku flange, a horizontal polarization power divider, a first flange, a vertical polarization power divider, a medium rod, a circular waveguide feed window, a stop screw, a transition section and a double circular polarization antenna. The antenna of the Ku band uses four ports for symmetrical feeding to improve the symmetrical characteristic of a directional diagram, a transmission waveguide of an electromagnetic field of the Ku band is used as the transition section of the electromagnetic field of the Ka band, and the resonance medium rod is embedded into the waveguide of the Ku band for transmitting electromagnetic waves of the Ka band so that compactness of the antenna is greatly improved. By means of dielectric waveguides and conical horn nesting technologies, the purposes of achieving antenna beam conformity and sharing one phase center are achieved, uniformities of directional diagrams and uniformities of the phase centers in four working bands are guaranteed, isolation among bands is increased, and the compactness of the antenna is improved.

A virtual machine system consists of hardware, monitor of virtual machine, multiple virtual machine, hardware packet configuration module of virtual machine being used to scan said hardware and to divide hardware to be hardware set required by each virtual machine as well as to distribute virtualized hardware and unvirtualized hardware to each virtual machine according to their requirements, virtualization module of hardware device being used to carry out virtualization treatment on the same hardware in relevant hardware set required by each virtual machine.

The invention provides a software package management method and system for a data center cluster system. The data center cluster system comprises a central server and a plurality of server nodes. Themethod comprises the steps of receiving a software operation and / or running command sent by a server node, wherein the command comprises software name and version; creating at least one target container image in the central server, wherein the at least one target container image packages software of at least one version and all contained dependent items of the software; and setting an environmental variable for the server node and mounting the target container image, thereby enabling the server node to operate and / or run the software. By utilizing self-contained, self-organization and securityisolation characteristics of a container, for a software isomorphism characteristic of a data center cluster, an out-band online software package management mechanism is realized, so that the controlmanagement problems of multi-software multi-version, sharing and isolation, security and credibility, online updating and the like in the data center cluster system are solved.

The invention relates to the DC high voltage transmission test technology of a power system, and discloses a gas insulation-based DC high voltage measuring device, which comprises a high voltage unit, a low voltage unit, a base, and an insulated sleeve fixed on the base; the high voltage unit is connected in series with the low voltage unit, and a high voltage terminal, a medium voltage terminal and a low voltage terminal are respectively led out; the high voltage unit is arranged in the insulated sleeve which is sealed by upper and lower end covers and is filled with SF6 gas; the high voltage terminal is led out from the upper end cover, and the medium voltage terminal is led out from the lower end cover and is connected with the low voltage unit; the high voltage unit and the low voltage unit respectively consist of voltage divider modules which are connected in series, and the series of the voltage divider modules forming the high voltage unit is greater than that of the voltage divider modules forming the low voltage unit; and the voltage divider modules consist of voltage sharing capacitors and divider resistors which are connected in parallel.

The invention discloses a system for monitoring the concentration of hydrogen in a containment vessel. The system comprises a sampling head arranged in the containment vessel, a sampling pipeline connected with the sampling head, and a gas analyzer connected with the sampling pipeline penetrating out of the containment vessel, wherein the sampling pipeline is a capillary stainless steel pipe, and a filter for preventing large-particle aerosol or suspended matters form entering the sampling pipeline is arranged on the sampling head. A containment vessel external-sampling monitoring mode is adopted in the system for monitoring the concentration of the hydrogen in the containment vessel, the problem of isolation of the containment vessel of the traditional sampling and monitoring system under serious accidents is effectively solved by adopting the capillary stainless steel pipe, and the capillary stainless steel pipe is prevented from being blocked through arranging the filter on the sampling head.

The application discloses a dynamic distribution method and device for server threads. The method comprises: allocating first server thread quantity of each interface by a server through utilizing interface information corresponding to each interface; after receiving an RPC request message, determining currently started second server thread quantity of an interface corresponding to the RPC request message; if the second server thread quantity is less than the first server thread quantity corresponding to the interface, starting a server thread for the RPC request message by the server; and if the second server thread quantity is equal to the first server thread quantity corresponding to the interface, refusing to start the server thread for the RPC request message by the server. According to embodiments of the invention, the server can reasonably allocate the server thread for each interface, so that the utilization rate of the server threads is increased as far as possible, and the optimal allocation of the server threads and the maximization of server performance are realized.

The invention relates to the field of voltage level switching circuit design, in particular to a level switching circuit for an OTP (One Time Programmable) peripheral circuit. The level switching circuit comprises a word line decoder (201), a first-stage buffer (BUF1), a CMOS (Complementary Metal Oxide Semiconductor) phase inverter (202), a first PMOS (P-channel Metal Oxide Semiconductor) tube (T1), a second PMOS tube (T2), a first NMOS (N-channel metal oxide semiconductor) tube (T3), a second NMOS tube (T4), a second-stage buffer (BUF2) and a word line driving circuit (206). In the level switching circuit, a level is adjusted and isolated by the PMOS tubes and the NMOS tubes, so that the level of a signal output from a low power voltage work circuit can be switched to a signal of a high power voltage and then the signal is input to a high power voltage work circuit, therefore, the problems related to the switching and the isolation of the voltage of different levels in the OTP memory peripheral circuit are solved.

The invention discloses a QUIC-based Kubernetes cloud side communication system and a method thereof, and the system comprises a cloud message management assembly and an edge message management assembly, the cloud message management assembly comprises a cloud QUIC protocol library module and a plurality of cloud message processing plug-ins, and the edge message management assembly comprises an edge QUIC protocol library module and a plurality of edge service agent modules; each cloud message processing plug-in packages a request monitored and obtained by the cloud message processing plug-in into a Protobuf format and forwards the request to a cloud QUIC protocol library module, and the cloud QUIC protocol library module sends the request to a corresponding QUIC channel; and the edge QUIC protocol library module receives the message from the QUIC channel, analyzes the message and forwards the message to the corresponding edge service agent module, the edge service agent module completes an intranet request and packages a response into a Protobuf format to be sent back to the cloud, and cloud unified scheduling management of a management plane and a service plane can be realized.

The embodiment of the invention discloses an identification information association method and a device, electronic equipment and a storage medium. The identification information association method comprises the following steps: obtaining image identification information according to image information; obtaining identity identification information; and associating the image identification information meeting the preset matching rules with the identity identification information.

A device for monitoring single plate voltage of vehicle fuel cell is featured as connecting input end of optical couple gating communication circuit to each single plate of fuel cell in sequence, connecting output end to isolation circuit input end, inputting signal to monolithic computer through absolute value circuit after isolation treatment, controlling four I / O pin signals by said computer and using hardware interlocking circuit to ensure uniqueness of gating channel, carrying out communication with external main controller by monolithic computer through CAN communication circuit.

The invention relates to an aromatic polyamide fiber-silicone rubber cloth, a method for producing the same and an application thereof in the aspect of manufacturing a hose. The production method comprises the following steps that: silicone rubber virgin rubber is added with an auxiliary agent to be mixed into silicone gross rubber through a rubber refining machine; the silicone gross rubber is added with the auxiliary agent and a coupling agent to be stirred and prepared into silicone gross rubber paste; the silicone gross rubber paste is applied on the surface of an aromatic polyamide fiber cloth; sulfur treatment is performed; etc. The production method realizes direct adherence of the rubber and the surface of the aromatic polyamide fiber cloth by adoption of the method of adding the coupling agent in the silicone gross rubber. The product of the aromatic polyamide fiber-silicone rubber cloth produced by the method can meet the following performance indexes: the tensile strength of rubber materials is more than or equal to 6 MPa; the tear strength of the rubber materials is more than or equal to 30 N.mm<-1>; the adhesive strength between Ib rubber with flame-retardant property and a base-cloth layer is more than or equal to 3 N.mm<-1>; the service temperature is between 60 DEG C below zero and 200 DEG C; and the folding fatigue resistant time is more than or equal to 2 million times. The aromatic polyamide fiber-silicone rubber cloth is used for manufacturing various flexibly connected pipes and is a superior cloth for manufacturing a transition air channel hose of a pulling motor of a locomotive.

The invention discloses a movable combined afforestation fence with an irrigation system. The movable combined afforestation fence is composed of bases, supports and a long planting trough in a connected mode and is symmetrical left and right, wherein each base is made of cast iron and is symmetrical front and back and left and right, the bottom surface of each base is provided with an upward cavity, the bottom surface and the top surface of each base are roughly parallel to each other, the top surface of each base is provided with a downward concave hole, the bottom surfaces of the bases are placed on a hard surface, and each base is of a big-end-down structure; each support is a steel bar or a hollow steel tube, the lower portion of each support is inserted in the downward concave hole of the corresponding base, the wall surfaces of the supports are connected to the end face of the long planting trough through bolts or welded to the end face of the long planting trough or connected to the end face of the long planting trough in a mortise and tenon connection mode, and the appearances of the hollow steel tubes are matched with the downward concave holes; the long planting trough is made of stainless steel or glass fiber reinforced plastic, the opening of the long planting trough is upward, and the bottom and the wall surface of the long planting trough are provided with water supply and drain holes. By means of the technical scheme, purposes of the movable combined afforestation fence are achieved.

The invention relates to a combination material of polyurethane insulation boards for producing building outer walls by using a continuous method and a preparation method thereof. The combination material is composed of a component A and a component B, a weight ratio of the component A to the component B is 1:1-1.3, wherein the component A is composed of the following components, by weight, of 20-40% of polyether polyol A, 15-35% of polyether polyol B, 10-20% of polyether polyol C, 1.0-3.0% of foam stabilizer, 1.0-3.0% of chemical foaming agent, 10-20% of physical foaming agent, 0.5-3.5% of catalytic agent and 10-20% of fire retardant, and the component B is polymethyl polyphenyl polyisocyanates. The preparation method of the combination material comprises stirring and mixing all components in the component A in proportion, and then mixing the component A with the component B. Polyurethane foams made of the combination material are low in heat conductivity coefficient, good in leakproofness, excellent in flame retardant property, good in product stability and capable of completely meeting requirements for polyurethane outer wall boards.

The invention relates to port isolation technologies in the field of data communication, and discloses a method for isolating ports of a virtual local area network. The method for isolating the ports of the virtual local area network comprises the steps that (1) keywords are set in inlet processors of exchange chips, wherein each keyword includes a virtual local area network serial number, a chip serial number, a port address and a route-passing-or-not field; (2) assignment is carried out on the keywords of the exchange chips, and the value of each route-passing-or-not field is set to be no route passing; (3) after a message enters a switch, keyword matching is carried out, and corresponding actions are carried out according to the assigned values of the keywords. The invention further discloses a system for isolating the ports of the virtual local area network. The system for isolating the ports of the virtual local area network comprises a keyword setting module, a keyword assignment module and a keyword matching module. According to the method and the system for isolating the ports of the virtual local area network, the effect that isolation ports and isolated ports are flexibly isolated in a certain local area network can be achieved, and the problem that a user who is isolated in one virtual local area network is also isolated in other virtual local area networks is solved.

The invention relates to a method for uniformly managing distributed configuration based on Zookeeper. The method comprises a uniform configuration management platform, Zookeeper, Disconf and NOS which are connected via network, wherein three roles including operator, administrator and developer are set in the uniform configuration management platform, and different authorities are distributed according to different roles. According to the method, the problem of network isolation among different environments can be solved by introducing NOS, the updated configuration file is firstly transmitted to the NOS, and corresponding agent configured in each environment acquires the updated configuration file from the NOS.

The invention relates to an efficient heating device which is characterized in that an induction coil is wound on an outer drum, a plurality of hollow inner heating pipes are arranged in the outer drum, two ends of the outer drum are fixedly connected with supporting frames respectively, the inner heating pipes are fixedly connected with the supporting frames, and the induction coil is electrically connected with a power supply. During use, alternating current is input into the induction coil, temperature of the outer drum and the inner heating pipes rises simultaneously, fluid flowing through the inside of the outer drum and the inside and the outside of the inner heating pipes is heated in contact mode directly, a purpose that a fluid section of large-flow fluid is heated with high power through electromagnetic induction is achieved, and a purpose of separating the heated fluid and an outer circuit is achieved. The efficient heating device has the advantages of being high in operation safety and reliability, small in maintaining workload, high in heat efficiency, high in power, small in fluid pressure loss and the like. The efficient heating device can be widely used for heating air, water, crude oil in oil conveying pipelines and chemical reaction kettles and the like.

The invention relates to a reactor core of a medical isotope production reactor. The reactor core of the medical isotope production reactor comprises a reactor container, a control rod guide pipe, a control rod drive mechanism and a control rod, wherein a part of the control rod guide pipe stretches into the reactor core, the control rod drive mechanism is located in the control rod guide pipe, and the control rod is connected with the control rod drive mechanism. The reactor core of the medical isotope production reactor is characterized in that the control rod stretches to the position below the liquid level of a solution in the reactor container and is more than 2 cm away from the liquid level of the solution in the reactor container, and the control rod guide pipe is located above the liquid level. According to the reactor core of the medical isotope production reactor, the control rod is directly inserted into the solution of the reactor core, and therefore absorption of neutron by the stainless guide pipe and water in the pipe is avoided. According to the reactor core of the medical isotope production reactor, a safety rod, a compensation rod and an automatic adjusting rod are distinguished from one another, only a control guide pipe is eliminated, and an absorption body is directly inserted into feed liquid. In this way, stainless steel can be used as the absorption body, and a boron carbide absorption body and a graphite following body are eliminated. Due to the fact that the control guide pipe is eliminated, the isolation of fuel solutions and water is achieved, and no control rod guide pipe stretches out of the lower portion of the reactor container any longer.

The invention provides a vertical transition structure which comprises a radio frequency coaxial connector and a microwave multilayer printed board. The microwave multilayer printed board is composedof a first grounding plane, a strip line layer, a second grounding plane and a third grounding plane from top to bottom. A vertical transition blind hole is arranged between the first grounding planeand the strip line layer. The radio frequency coaxial connector is arranged on the first grounding plane, and the inner conductor thereof extends downward into the vertical transition blind hole and does not exceed the depth of the vertical transition blind hole. The second grounding plane layer is added with an opening directly facing the area of the vertical transition blind hole. The vertical transition structure provided by the invention has the advantages of full shielding, high reliability and wide working frequency band.

The invention relates to a tenant resource invading-oriented cloud application resource dynamic scheduling method. The method comprises the following steps: binding tenant applications and componentswith a task manager so as to perceive the whole tenant and the local units; according to the technical scheme, reusing the cloud server task thread in the one-time request processing process while performing the concurrent control on the tenant request, so that the problem of interactive protocol reconstruction is avoided, the maximum concurrent scale of the tenant is adjusted to adapt to the performance fluctuation generated when the tenant load dynamically changes, and the problems of tenant isolation and resource occupation are solved.

The invention provides a swing type isolating device for coal mine paste filling exploitation and an isolating method, and belongs to isolating devices and methods for filling mining. One end of a telescopic mechanism of the device is hinged to one end of a lifting mechanism, the other end of the lifting mechanism is connected to a support base, a swing jack is connected between the other end of the telescopic mechanism and the support base, and the tail portion of the support base is provided with a sliding rail. The method comprises the steps that when filling isolation preparation work is conducted, only the swing jack needs to be operated through a hydraulic operating valve so as to adjust the position of an isolating board, a lifting base is used for extruding a bottom sealing strip to seal a bottom board under the action of a lifting jack, a telescopic box is lifted to extrude a top sealing strip to seal a top board under the action of a telescopic jack, a few human assistance measures are used, the isolating device is operated sequentially on the whole working surface, and namely a filling isolating retaining wall is formed on the tail portion of a support. The swing type isolating device and the isolating method have the advantages that during filling mining, isolation of a to-be-filled area is formed rapidly, work of manually putting up an isolating formwork by workers is canceled, manual labor is reduced, and overall filling working efficiency is improved.

An embodiment of the invention provides a coaxial mercury relay. The coaxial mercury relay comprises a shielding shell, a hollow coil, a first center conductor, a second center conductor, a mercury tube, a coaxial connector and a shielding layer, wherein the hollow coil is arranged on the inner side of the shielding shell; the shielding layer is arranged on the inner side of the hollow coil; the first center conductor, the second center conductor and the mercury tube are all arranged on the inner side of the shielding layer, and the first center conductor and the second center conductor are connected with the two ends of the mercury tube in the central position of the hollow coil respectively; the end parts, not connected with the mercury tube, of the first center conductor and the secondcenter conductor are both connected with the coaxial connector; the coaxial connectors, the first center conductor, the second center conductor and the mercury tube are coaxial; and a high-pressure-resistant insulating material is filled in the shielding layer. The coaxial mercury relay provided by the invention is of a single-pole single-throw type, and the problems that contact points of a current coaxial switch are oxidized, an arc is easily generated and the high-voltage resistance is insufficient are solved; and meanwhile, the problem of impedance mismatching of existing mercury switch ports is solved.

The invention discloses a resource access method of message-oriented middleware. The method includes the following steps of receiving the connection establishment request sent by an application system; acquiring the virtual private network VPN name specified by the application system based on the connection establishment request; and establishing the connection of the VPN name corresponding to the application system for the application system to access to the static resource, corresponding to the VPN name, in the message-oriented middleware. The invention further discloses a server and a resource access system. According to the invention, the problem of internal resource isolation of the message-oriented middleware can be solved, the dependence of the system on the authority control of a third party can be prevented, and the stability of the whole system can be improved.

The invention discloses an overhead-type fault indication positioning terminal, and the terminal comprises a capacitive sensor which is disposed in an overhead line electric field, wherein the capacitive sensor is connected to a CPU of the terminal through a conditioning circuit. The invention also discloses a ground voltage measurement method for the terminal. The method achieves the real-time measurement of the ground voltage of an overhead line, captures the change of the ground voltage of the overhead line, and provides basis for the determining of a grounding fault of a line.

The invention discloses a movable combined afforestation guardrail with an irrigation system. The movable combined afforestation guardrail is composed of bases, supports and long planting troughs in a connected mode, wherein each base is made of cast iron, the bottom surfaces of the bases are placed on a hard surface, each base is of a big-end-down structure, the bottom surface of each base is provided with an upward cavity, the bottom surface and the top surface of each base are roughly parallel to each other, and the top surface of each base is provided with a downward concave hole; each support is a hollow steel tube, the lower portion of each support is inserted in the downward concave hole of the corresponding base, the supports are connected to a fence through bolts or welded to the fence or connected to the fence in a mortise and tenon connection mode, and a transverse steel structure and vertical steel tubes are welded to constitute the fence; the two long planting troughs parallel to each other are arranged on two side faces of the fence, the two roughly parallel long planting troughs and the fence are connected into a whole through bolts, the top surfaces of the long planting troughs are provided with openings, the wall surfaces of the long planting troughs are provided with water supply and drain holes, and the openings of the long planting troughs are provided with inward or outward safety skirt edges preventing accidents. By means of the technical scheme, purposes of the movable combined afforestation guardrail are achieved.

The invention discloses a novel sleeve isolating and releasing device and a using method thereof. The device is composed of a rack, a sleeve, a connecting rod mechanism, a power source and a centeringmechanism, wherein the sleeve is stored on the rack, the upper surface of the rack is an inclined surface, and the connecting rod mechanism is arranged on the rack; an oil cylinder is arranged belowthe rack and is used for driving the connecting rod mechanism to move; and the centering mechanism is arranged above the sleeve and the rack, and is used for carrying out centering operation on the sleeve at the isolation position. According to the device, one power source and one connecting rod mechanism are utilized to achieve two action functions of isolating and releasing of the sleeve at thesame time, so that the device is simple, convenient and reliable to operate, and compact in structure; and meanwhile, the device cost is reduced, and the economic benefits of factories are improved.

The embodiment of the invention provides a DPU-based data communication and communication management method and a DPU, and the method comprises the steps: dividing the DPU into a plurality of pieces of virtual local side equipment vDPUs, and enabling the data transmission channels of all vDPUs to be isolated from each other; enabling the data transmission channel of each vDPU in the DPU to receiverespective data transmission configuration parameters from an optical line terminal OLT; and enabling the data transmission channel of each vDPU to perform data transmission according to the respective data transmission configuration parameter.

The invention relates to a method of automatic welding of a manual arc welding machine. The method is characterized by comprising the following steps of: a. selecting round steel (4) which has same components with a work piece (2) to be welded as welding material, with corresponding welding agent (5) as welding accessories; b. spot-welding a steel plate (6) as a starting weld tab at one end of the work piece (2) to be welded at a position aligning a welding seam, laying pre-prepared isolating paper (3) on the welding seam, eliciting 2 to 3cm from the starting weld tab; c. aligning the round steel as welding material on the isolating paper, laying a welding agent (5) with the thickness of 3 to 4cm; exposing the welding agent by 2 to 3mm by the arc starting end of the round steel (4) in the range of the isolating paper (3), with the wire connecting end being exposed out of the working piece by 3 to 5cm; (d) connecting the wire connecting end of the round steel (4) with the negative electrode of a manual arc welding machine (1), connecting the work piece (2) with the positive electrode of the manual arc welding machine with selected welding current of 120 to 300A; and e. connecting the negative electrode of another electric welding machine (8) with the work piece (2); connecting the negative electrode with welding tongs (9); and spot-welding starting arc between the starting arc tab and the round steel (4) as welding material by a welding strip (10).