48results about How to "Ensure physical separation" patented technology

The invention discloses a remote desktop monitor and control system and a method thereof. The remote desktop monitor and control system comprises a main control terminal, an encoder and a controlled terminal, wherein the video output port of the controlled terminal is connected with the video input port of the encoder, in order to send the desktop image of the controlled terminal to the encoder for encoding; the encoder is connected with the main control terminal through network, in order to receive the desktop control signal from the main control terminal and send the encoded desktop image to the main control terminal; a control signal receive port of the controlled terminal is connected with a control signal send port of the encoder, in order to receive the desktop control signal from the encoder. According to the remote desktop monitor and control system and the method, the controlled device can be still monitored and controlled under the circumstances that the remote controlled terminal device is not provided with networking capacity or networking device, can not be conveniently networked, or is located at the network which needs to be relatively isolated from the network where the main control terminal is located.

The invention discloses a system for detecting the explosion-proof performance of a separation explosion-proof material. The system comprises a computer, an explosion bin (3), a gas circulating pipeline (9), a main control system (1), and a first vacuumizing device (2), a liquid fuel steam supply device (4), a dry air supply device (5), an information acquisition device (6) and an ignition device (7) which are connected with the main control system (1) by virtue of leads, wherein the gas circulating pipeline (9) is communicated with the explosion bin (3); a temperature sensing device and a pressure sensing device are mounted on the inner wall of the explosion bin (3) at equal intervals; an ignition electrode is mounted on the inner wall of the starting end of the explosion bin (3) and is connected with the ignition device (7); the main control system (1) is connected with the computer. The invention also provides a method for detecting the explosion-proof performance of the separation explosion-proof material. The system for detecting the explosion-proof performance of the separation explosion-proof material can be controlled by a semi-automatic manner and is safe and reliable.

The invention aims to provide an asset transfer method and device. According to traditional online wallet software, a device storing a wallet key needs to be connected with an external device througha network or a USB to transmit a transaction signature. The method has risk that the wallet key is stolen or lost due to the fact that the device storing the wallet key is remotely controlled by a hacker and attacks is caused, and asset loss is caused. According to the scheme, network connection and connection of other physical devices are isolated through the offline wallet client, an account transfer signature identification code is generated offline, and the online wallet client scans the transfer signature identification code, correspondingly generates an asset transfer request and submitsthe asset transfer request to the blockchain system, thereby ensuring the physical isolation of the wallet secret key stored in the offline wallet client, ensuring the security of the digital wallet.The method and the device are applicable to a wide application scene of digital asset transactions.

The present invention provides an independent double-salient fault tolerant motor. The motor adopts a double-salient structure; stator salient poles are evenly distributed on the internal circumference of a stator (1) and a permanent magnet (3) is arranged on the circumference of the stator (1) in pairs for easy cooling; an armature winding (4) is arranged on the stator (1), each slot has only one winding and a fault tolerant gear (5) has no winding; each polar winding adopts an independent 'H' bridge for driving and each winding independently forms a phase; a rotor (2) adopts a salient pole structure without winding or permanent magnet and the structure is simple. The fault tolerant motor, due to physical and electric insulation between phases, avoids the interphase short-circuit and at the same time hardly affects other non-fault phase windings when a certain phase winding of the motor fails, thus improving reliability and operation capacity with fault of the motor. Therefore, the motor has the advantages of high reliability, high power density and fault tolerance.

The invention discloses a high-speed wireless data secure transmission system and method suitable for a distribution network system. The secure transmission system comprises a distribution network automation system, a data transceiving and forwarding module, a composite security bridging module, a 3G wireless communication module, an individual line APN and a plurality of FTUs. According to the security protection level of a power system network, the end-to-end data encryption technology and the individual line APN technology are selected to guarantee the security of the network environment and data. An SIM card used for a private network only uses the dedicated APN, and usage of other APNs is limited; in other words, the SIM card will not be connected with the Internet in the data transmission process; in addition, the individual line APN and the Internet are two network structures completely stripped, and the end-to-end data encryption technology is adopted between the FTUs and a server platform; in this way, possible leakage of information in the whole transmission process is avoided, the security of the network environment is guaranteed, and meanwhile the security of data transmission is guaranteed.

The invention relates to the technical field of refrigeration and low-temperature application, and provides an insulation supporting device. The insulation supporting device comprises an external pipeline and a supporting part used for supporting an inner part, wherein the inner part is arranged in the external pipeline; the supporting part comprises a supporting strip; the two ends of the supporting strip along the heat conduction path of the supporting strip are respectively connected with the external pipeline and the internal part, or one end of the supporting strip along the heat conduction path of the supporting strip is connected with the external pipeline or the internal part; and the length of the heat conduction path of the supporting strip is greater than the distance between the external pipeline and the inner part. The insulation supporting device has the advantages of being simple in structure and convenient to manufacture; and the heat transfer resistance between the external pipeline and the internal part is increased while the support of the internal part is satisfied and the mechanical isolation between the internal part and the external pipeline is guaranteed, the long-distance transmission of low-temperature cold or low-temperature fluid through the internal part are conveniently achieved, and the loss of the low-temperature cold in the transmission processis reduced.

The invention relates to a method for realizing security storage of a mobile terminal in a mobile internet based on a TrustZone technology. Private applications and data in the mobile terminal are loaded to a hardware isolation security region of the mobile terminal, and an access request of a non security region is refused, so that information security is ensured. The core is to self-develop a TrustZone IP kernel driver and a trusted application; a security kernel of a security world is accessed through a client of an ordinary world of the trusted application; the corresponding trusted application is started; a specific memory region is subjected to hardware isolation through the IP kernel driver; data and codes encrypted through a homemade encryption / decryption module and stored in an external storage device are loaded to an isolation region of a memory; and the encrypted data and codes are decoded by calling a TCM chip after being loaded, so that dynamic storage security of information is guaranteed finally.

The invention relates to a transient dosage rate effect online test system for a multi-chip isolation SRAM. According to the system, the isolation switching of multiple SRAM chips is realized, and meanwhile, the data reliability of the transient dosage rate effect test of the SRAM is ensured. The system mainly comprises a PC, a power supply system box, a main control system box and an irradiationcapsule; the PC is connected with the power supply system box through an RS232 serial port connecting line; the power supply system box is connected with the main control system box through two 50-meter power lines and N 50-meter relay control lines; the irradiation box is connected with the main control system box through an LVDS cable; the main control system box conducts data transmission withthe PC through a 50-meter gigabit Ethernet line; the PC and the power supply system box are both arranged in a near-end shielding test room; the irradiation box and the main control system box are both arranged in a far-end irradiation room; and a relay switch matrix is installed on the same plane of each target test board of the irradiation box.

The invention provides a substation network data acquisition and management method and device. The acquisition device comprises an acquisition unit which comprises a message data collecting module, adata analyzing module, a data storing module and a data forwarding module. The message data collecting module is used for collecting message data of monitored devices in a substation in real time after being triggered, the data storing module comprises at least two storage areas with storage one area for storing SV message, the data analyzing module is used for analyzing the stored message data, and the data forwarding module is used for sending an analysis result to a management unit. According to the method and the device, the acquisition unit collects the data when the acquisition unit is triggered, large resource occupation is avoided, the performance of a CPU is ensured, the monitored devices in the substation can be effectively organized and distributed, the high-speed and stable transmission of the data is realized, and the transmission rate is high. According to the method and the device, multiple resolution protocols are supported, and the types of analyzed message informationare numerous.

A wear-resistant and shock-resistant agricultural material conveying device comprises a material supply pipeline (8) fixed to a machine frame, and a supply control part (6) fixedly connected with the material supply pipeline (8). The material supply pipeline (8) receives materials discharged by exerting supply pressure from a material supply bin. The supply control part (6) comprises an upper cut-off plate (611) and a lower cut-off plate (621) which can stretch into an internal passageway (80) of the material supply pipeline (8) in a telescopic mode so as to cut off the internal passageway (80). The upper cut-off plate (611) is fixedly connected with an upper drive protruding plate (613) through an upper cut-off plate connection part (61), wherein the upper drive protruding plate (613) is borne on two upper guide columns (65) in a slidable mode.

The invention relates to a culture pore plate for drug concentration screening multi-cell co-culture and a using method thereof. An upper-layer cell culture area is arranged on the front surface of acore plate, and a lower-layer cell culture area and a concentration gradient generation area are arranged on the back surface; upper-layer cell culture holes are formed in the upper-layer cell culturearea; lower-layer cell culture holes are formed in the lower-layer cell culture area; the upper-layer cell culture holes and the lower-layer cell culture holes correspond to each other in position and are separated by a liquid-permeable membrane; the upstream ends of the concentration gradient forming channels are communicated with a first liquid inlet and a second liquid inlet, and the downstream ends of the concentration gradient forming channels are communicated with the lower-layer cell culture holes of the corresponding concentration gradient levels; a liquid outlet is formed in the coreplate; the tail ends of the lower-layer cell culture holes are communicated with a liquid outlet; and the lower-layer cell culture area and the concentration gradient generation area on the back surface of the core plate are covered and sealed through a liquid sealing film. According to the invention, construction of an in-vitro multi-(more than two)-cell co-culture model can be realized, perfusion culture of cells can be realized, and gradient distribution of drug concentration is realized so as to improve drug concentration screening efficiency.

According to the automatic optical disk ferry system and method between an internal network and an external network. A photoelectric sensor, a mechanical arm, a CD writer and a tray are adopted, and an automatic mechanical arm is adopted for CD recording, transferring and data import and export, meanwhile, seamless joint with a service system is achieved, information leakage is effectively prevented, manpower is liberated, and the working efficiency of information ferry is improved; Two photoelectric sensors are installed at the same position of the same CD writer. the pop-up state of the CD-ROM of the CD-ROM can be sensed at the same time. The intranet server, the extranet server and the manipulator controller can sense the pop-up state of the CD-ROM of the corresponding CD-ROM in real time without any information flow intersection, so that physical isolation of intranet data, extranet data and manipulator control data in the transmission process is ensured, and full automation of therecording, transferring and reading processes of the CD-ROM is realized.

The invention relates to the technical field of low-code platforms, and particularly discloses a system and method for achieving multi-tenant deployment of a low-code development platform, and the system comprises a low-code management platform, a tenant creation engine and a container cloud platform. The low-code management platform can receive a tenant creation request input by a user of the low-code development platform, the low-code management platform can send tenant basic information carried in the tenant creation request to the tenant creation engine, and the tenant creation engine can call an interface of the container cloud platform. The tenant creating engine is used for creating a tenant environment corresponding to the tenant basic information, and the container cloud platform is used for responding to interface calling of the tenant creating engine, creating the tenant environment and returning information of the created tenant environment to the tenant creating engine. According to the scheme, multi-tenant deployment of the low-code development platform can be achieved based on the container technology under calling of the tenant creation engine, and physical isolation of development environments and development data between different developers can be guaranteed.

The invention relates to a power output control system, charging control system and power output control method for a charging pile. Switch controllers and a plurality of switch sets are additionallyarranged between a power controller and a charging gun, thus all switches in each switch set are electrically connected with the same switch controller, a plurality of power output units are in communication connection with the power controller, and each power output unit is electrically connected with all the switches in the same switch set. According to states sent by all the switches and corresponding switch states fed back by the switch controllers, the power controller judges that the switches are abnormal switch channels when it is judged that two pieces of information for the same switch state are inconsistent, and the power controller shields the abnormal switch channels and the power output units connected with the abnormal switch channels correspondingly; and by additionally arranging the switch controllers and the switches between the power output units and the charting gun, the power output units and the charting gun can be physically isolated, and charging safety is improved.

A wear-proof material supply device comprises a material supply pipeline (8) fixed to a machine frame, and a supply control part (6) fixedly connected with the material supply pipeline (8). The material supply pipeline (8) receives materials from a material supply bin, wherein the materials are discharged by applying supply pressure. The supply control part (6) comprises an upper cut-off plate (611) and a lower cut-off plate (621) which can extend into an internal passageway (80) of the material supply pipeline (8) in a telescopic mode to cut off the internal passageway (80). The upper cut-off plate (611) is fixedly connected with an upper drive protruding plate (613) through an upper cut-off plate connection part (61), wherein the upper drive protruding plate (613) is borne by two upper guide columns (65) in a slidable mode.

On-platform pumps provide greater flexibility and design freedom and are a key feature of organs-on-chip platforms. On-platform electromagnetic (EM) pumps have been developed for use with the organ-on-chip platforms. The EM pump uses electrical energy, which may be supplied by a battery, making the pump portable. The EM pump uses an EM actuator having a low energy consumption. The actuator's low energy consumption is achieved by a latching design which requires only a short pulse of energy to switch its state and where springs store some of the actuator kinetic energy, which is then recovered in the reverse stroke. This further reduces the energy consumption of the actuator. Also provided are injection-molded, single-use platforms with onboard diaphragm micro-pumps and various valve and pump geometries. The EM actuators easily integrate with these platforms, demonstrating pumping at a constant flowrate, no measurable temperature rise, and valve sealing against varying back-pressure.

The invention discloses a heat-resisting type communication power source flexible cable. The heat-resisting type communication power source flexible cable comprises two power copper wires and two data copper wires, wherein a separating plate is located between an inner sheath layer and a single-surface aluminum foil layer, a first lateral empennage part and a second lateral empennage part are arranged at the two ends of the separating plate respectively and located on the left and right sides of the separating plate respectively, and the separating plate is of a spiral structure in the length extending direction; the single-surface aluminum foil layer, the inner sheath layer and a filling rope surface are wrapped with a polyester belt layer; the outer surface of an inflaming retarding layer is wrapped with a shielding sheath layer, and the shielding sheath layer is composed of, by weight parts, PVC resin, ethylene-vinyl acetate copolymer, di-iso-decylphthalate, polythiophene, siloxane, cerium sesquioxide, antimonous oxide and asbestos wool. The electromagnetic wave shielding performance of a data cable is improved, the heat-resisting type communication power source flexible cable further has good tensioning and tearing strength physical mechanical performance, and the flame retardant property is further improved.

The invention relates to a human-computer interaction temperature control device capable of realizing parameter adjustment and method. The device comprises a core CPU responsible for coordinating sensor data and peripheral drives, a TFT liquid crystal screen display, a resistance / capacitance touch screen drive, a sensor control module responsible for acquiring and processing data, an NTC temperature detector, a PT100 / 1000 temperature detector, an infrared temperature detector, an execution unit responsible for receiving an instruction of the core CPU and driving a relay or an SCR, a relay drive and an SCR drive. Firstly, the whole temperature control device comprising the core CPU, the sensor control module and the execution unit is initialized; after initialization, temperature control modes and temperature control parameters are set; and according to the well set mode and the parameter acquisition value, the relay or the SCR is driven according to the feedback value.

The invention discloses a weather-proof cable for power and data transmission, comprising two power copper conductors, two data copper conductors and a filler cord. Each power copper conductor is covered with an insulating layer; the insulating layers are disposed in parallel and placed in an B form; an inner sheath layer externally covers the surfaces of the insulating layers; a partition is located between the inner sheath layer and a single-side aluminum foil layer; two ends of the partition are provided with a first side tail part and a second side tail part; the partition is in a spiral structure in the lengthwise extension direction; a polyester tape layer covers the surfaces of the single-side aluminum foil layer, the inner sheath layer and the filler cord; a shielding insulating layer comprises, by weight, 100 parts of PVC (polyvinyl chloride) resin, 40 to 60 parts of ethylene-vinyl acetate copolymer, 10 to 12 parts of diisodecyl phthalate, and 15 to 20 parts of polythiophene.

An agricultural material conveying device comprises a material supply pipeline (8) fixed on a rack, and a supply control part (6) fixedly connected with the material supply pipeline (8).The material supply pipeline (8) receives materials fed by applying supply pressure from a material supply bin, the supply control part (6) comprises an upper intercepting plate (611) and a lower intercepting plate (621) capable of extensibly extending into an inside passage (80) of the material supply pipeline (8) to intercept the inside passage (80), and the upper intercepting plate (611) is fixedly connected with an upper driving convex plate (613) slidably carried on two upper guide columns (65) through an upper intercepting plate connecting portion (61).

Disclosed is a conveying device for agriculture.The conveying device for the agriculture comprises a feeding pipeline (8) fixed on a frame and a feeding operation component (6) fixedly connected with the feeding pipeline (8), the feeding pipeline (8) receives materials discharged by feeding pressure applying from a feeding bin, the feeding operation component (6) comprises an upper cut-off plate (611) and a lower cut-off plate (621) which are capable of extending into an internal passage (80) of the feeding pipeline (8) telescopically and cut off the internal passage (80), and the upper cut-off plate (611) is fixedly connected with an upper driving protrusive plate (613), which is slidably borne on two upper guide posts (65), through an upper cut-off plate connection portion (61).

The invention discloses a high-power magnetic relay flexible blocking structure which comprises a contact system cavity (1), an arc extinguishing cavity cover (2), a flexible blocking piece (3), a transmission shaft (4), yoke iron (5) and an electromagnetic system cavity (6). The flexible blocking piece (3) is a wafer provided with a round hole in the center and a drape-shaped surface. A cross section of the flexible blocking piece (3) is in a shape of a bilaterally symmetric wedge and sleeves the transmission shaft (4) in an interference matching mode. By adopting the flexible blocking structure design, abrasive chippings produced by a moving portion of a relay electromagnetic system in the relay working process are effectively prevented from polluting the contact surface of the relay electromagnetic system, and low contact resistance of a product is ensured. In addition, contact splashes produced by the relay electromagnetic system in the relay working process are effectively prevented from entering a motion gap in the relay electromagnetic system, stuck product actions are prevented, and the product reliability is improved.

An agricultural conveying device comprises a material supply pipeline (8) fixed on a rack, and a supply control part (6) fixedly connected with the material supply pipeline (8).The material supply pipeline (8) receives materials fed by applying supply pressure from a material supply bin, the supply control part (6) comprises an upper intercepting plate (611) and a lower intercepting plate (621) capable of extensibly extending into an inside passage (80) of the material supply pipeline (8) to intercept the inside passage (80), and the upper intercepting plate (611) is fixedly connected with an upper driving convex plate (613) slidably carried on two upper guide columns (65) through an upper intercepting plate connecting portion (61).

The invention relates to a transient dosage rate effect online test system for a multi-chip isolation SRAM. According to the system, the isolation switching of multiple SRAM chips is realized, and meanwhile, the data reliability of the transient dosage rate effect test of the SRAM is ensured. The system mainly comprises a PC, a power supply system box, a main control system box and an irradiationcapsule; the PC is connected with the power supply system box through an RS232 serial port connecting line; the power supply system box is connected with the main control system box through two 50-meter power lines and N 50-meter relay control lines; the irradiation box is connected with the main control system box through an LVDS cable; the main control system box conducts data transmission withthe PC through a 50-meter gigabit Ethernet line; the PC and the power supply system box are both arranged in a near-end shielding test room; the irradiation box and the main control system box are both arranged in a far-end irradiation room; and a relay switch matrix is installed on the same plane of each target test board of the irradiation box.

The invention discloses a network information security system based on the Internet of Things, including a PC client, a mobile client, a server and a data security control platform, and the optional physical connection structure includes a drive device, a mobile component and a fixed component. The mobile component is provided with at least two groups of interfaces, the first group of interfaces includes a device authentication interface and a client authentication interface, the second group of interfaces includes at least a server input interface, and the driving device is used to move the mobile component to realize the The interface on the fixed component switches connection objects among the various interfaces on the mobile component, and the one-way security monitoring module is used for one-way monitoring the verification results of each unit in the identity verification module and whether there is any intrusion. The invention realizes the switching of the physical connection between the access source and the server by setting the physical isolation structure, effectively protecting the server and reducing the attacks it suffers.

This invention discloses a method for realizing virtual GGSN in enterprise acc service which establishes and virtual GGSm according to the information forward by OMC safeguarding station about establishing virtual GGSM to allocate SCP service managing system and establish and allocate G: interface to finish virtual GGSN to operate on processing service acc procedure, panning processing and service releasing to realize virtual GGSN. This invention also provides GGSN realization device including V-GGSN CP module, V-GGSN UP module, 1-GGSN CP module, 1-GGSN UP module, cc engine MUX function module to finish virtual GGSN control part protocol process and customer part management so as to realize virtual GGSN.

The invention discloses a network information security system based on Internet of Things, which comprises a PC client, a mobile client, a server and a data security control platform, and is characterized in that a selectable physical connection structure comprises a driving device, a mobile assembly and a fixed assembly, the mobile assembly is provided with at least two groups of interfaces, the first group of interfaces comprises an equipment verification interface and a client verification interface, the second group of interfaces at least comprises a server input interface, and the driving device is used for moving the moving assembly to enable the interfaces on the fixed assembly to switch connection objects among the interfaces on the moving assembly. The one-way safety monitoring module is used for monitoring verification results of all units in the identity verification module in a one-way mode and monitoring whether intrusion behaviors exist or not. By arranging the physical isolation structure, switching of physical connection between the access source and the server is achieved, the server is effectively protected, and attacks borne by the server are reduced.