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

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 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 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 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.

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).

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 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.