12results about How to "Guaranteed safe isolation" patented technology

The invention relates to a rail transit safety computer platform, a control method, equipment and a medium, the platform is realized based on a multi-core virtualization technology, and the safety computer platform comprises a communication gateway used for providing a unified access entrance; the MPU operation subsystem comprises a system A and a system B which are mutually redundant and hot standby, each system comprises two operation units MPU1 and MPU2, and each operation unit MPU is divided into a plurality of logic partitions through a virtualization technology according to application requirements and safety requirements; the switching unit is connected with the MPU operation subsystem and used for switching the main and standby states of the A system and the B system; and the redundant network is respectively connected with the communication gateway, the MPU operation subsystem and the switching unit and is used for realizing internal communication. Compared with the prior art, the method has the advantages that the resource utilization rate and the system performance are remarkably improved, and the safety of the platform is improved.

The application discloses a milk frother for making delicate milk froth and relates to the technical field of milk frothing equipment. The milk frother comprises a milk froth generating system and an independent cleaning system. The milk froth generating system comprises a first three-way pipe fitting, a milk pump, a first heater and a multi-way switching valve assembly. The independent cleaning system comprises a second heater and a shunt structure of the multi-way switching valve assembly. In the cleaning mode, the high-temperature cleaning water output by the second heater is divided into a forward water flow and a reverse water flow. The forward water flow cleanses the milk pipeline. The reverse water flow flows reversely through the first heater, a filter joint and the milk pump in sequence and is finally discharged by a blow-off branch. The application realizes active aortic pulse air intake double frothing. By means of a double independent heating and bidirectional reverse flow cleaning architecture, the problems of pipeline dead angle milk scale residue and water-milk cross contamination are effectively solved.

The present invention discloses a multi-dimensional factor security management system for government documents, which belongs to the field of document security management and aims to solve the problems of user identity authentication, authority control, data protection and abnormal behavior monitoring in document security management. It includes: an identity authentication module, an access control module, an access encryption module and an audit monitoring module; the identity authentication module is used to confirm the user identity through multi-level authentication when receiving a user's login request; the access control module is used to allocate user access channels according to the risk level during user login authentication; the access encryption module is used to dynamically encrypt the access channel of the user access operation, and the dynamic encryption dynamically adjusts the encryption parameters based on the user access channel and the user risk level on the basis of basic security encryption; the audit monitoring module is used to record the user's access and operation behavior to government documents in real time, and perform abnormal risk assessment on government documents according to the log records.

The present application belongs to the field of electric power communication technology, and specifically discloses a mobile terminal based on a public network and an electric power wireless private network, including: an electric power private network business system, a public network business system and a system manager, wherein the electric power private network business system and the public network business system are respectively operated in a first container and a second container, and the physical hard disk partitions allocated to the first container and the second container are two different partitions; the system manager is used to receive target input, and in response to the target input, control the terminal display to display the user interface corresponding to the business system in the display state; the electric power private network business system is used to process the electric power private network business data, and transmit the data through the electric power wireless private network; the public network business system is used to process the public network business data, and transmit the data through the public network. By combining data isolation and responding to system switching requirements, the present application can achieve the security isolation between the public network business and the electric power private network business on the terminal, while taking into account the convenience of switching between systems.

The invention particularly relates to a distributed data change synchronization method and system under a one-way isolation network. According to the distributed data change synchronization method and system under the one-way isolation network, a customized Rocket MQ producer SDK and a local standby library are deployed in a node area, and the node area sends a data change message to a non-node area through the one-way isolation network; if the sending fails, storing the message to a local standby library; the node service acquires the Rocket MQ cluster state information regularly, and adjusts a message sending strategy according to the Rocket MQ cluster state information; and if the fault is recovered, firstly taking out the message from the local standby library, and resending the message to the Rocket MQ cluster. According to the distributed data change synchronization method and system under the one-way isolation network, efficient and reliable synchronization of node area data change can be achieved on the premise that network safety isolation is guaranteed, even if a Rocket MQ cluster breaks down, it can be guaranteed that data are not lost through a local standby library mechanism, and message retransmission is automatically completed after the fault is recovered.

The utility model discloses a novel temperature sensing detection device, comprising a PCB board, the PCB board is provided with a temperature sensing element, and the temperature sensing element is used for detecting the temperature value of a wiring terminal in real time; the insulation heat conduction layer is used for absorbing heat of the wiring terminal and transmitting the heat to a temperature sensing element of the PCB, and the temperature sensing element is installed in the insulation heat conduction layer in an embedded mode; and the heat-conducting metal sheet is arranged outside the insulating heat-conducting layer in a wrapping manner, and the metal heat-conducting metal sheet is in contact with the PCB, absorbs the heat of the wiring terminal and uniformly conducts the heat to the insulating heat-conducting layer. According to the utility model, the temperature sensing element and the heat conduction material are integrated, so that under the condition of ensuring insulation and voltage resistance, assembly integration is realized, temperature detection precision is improved, and safety accidents caused by over-temperature spontaneous combustion of products are prevented.

The utility model is suitable for the technical field of chemical production auxiliary equipment, and provides a chemical safety isolation device which comprises a base. The protection box is fixed at the top of the base and is used for isolating a chemical operation environment; the bulletproof glass plate is detachably mounted on the protection box through bolts and used for sealing the protection box, and the bulletproof glass plate is further used for assisting personnel in observing the machining progress; the rubber glove is detachably mounted on the bulletproof glass plate through a mounting block and is used for providing an operation channel; and the adjusting assembly is arranged on the base and used for adjusting the position of the chemical raw materials according to production requirements. According to the chemical safety isolation device provided by the scheme, a chemical processing environment can be isolated, and meanwhile, personnel can operate chemical raw materials on the premise of ensuring safety isolation.

The utility model provides a packaging box which has a closed state and an opened state, the packaging box comprises at least three first box bodies and at least one second box body, the first box bodies are sequentially connected end to end, and each first box body comprises a first containing cavity located in the first box body and a first opening formed in the head end and communicated with the first containing cavity; at least part of the structure of each second box body is located in the first containing cavity of one first box body and connected to the other adjacent first box body through the first opening. In the process that the packaging box is converted from the closed state to the open state, at least two adjacent first box bodies are gradually away from each other, and the second box bodies are driven to gradually stretch out of the corresponding first containing cavities from the corresponding first openings. The packaging box has a unique structure and an opening mode, not only can protect and display a packaged piece, but also increases the interestingness of the packaging box, improves the interactivity between a consumer and a product, provides an added value for the product, and stimulates the purchase interest of the consumer.

The present invention proposes a localized e-commerce procurement management system deployed on a private cloud, comprising: at least one third-party mall platform and a localized procurement platform, wherein the localized procurement platform is deployed on the private cloud; the third-party mall platform communicates with a firewall via a public network; the localized e-commerce procurement management system deployed on the private cloud provides a communication interface with the third-party mall platform to achieve remote communication with the third-party mall platform; the localized e-commerce procurement management system deployed on the private cloud receives procurement applications from local users, and based on the procurement applications, calls the communication interface of the third-party mall platform to obtain the localized member interface of the localized e-commerce procurement management system deployed on the private cloud, performs member review on the requesting user who issues the procurement application, and if the review is legal, allows the local user to log in to the third-party mall platform from the localized e-commerce procurement management system deployed on the private cloud with one click, thereby achieving procurement operations on commodities on the third-party mall platform.

The utility model discloses a lockable protection device for isolating a power supply, which comprises a box body, an isolating switch, an internal control mechanism, an external adjusting handle and a locking piece, and is characterized in that the box body is fixed on the surface of a wall body through a mounting hanging piece; a mounting cavity is formed in the surface of the box body, an isolation plate is fixedly connected to the inner wall of the mounting cavity, and a box door is fixedly hinged to an outer port of the mounting cavity; the isolating switch is fixedly connected to the surface of the isolating plate; the internal control mechanism is arranged on the surface of the isolation plate and located outside the isolation switch, and one end of the internal control mechanism is connected with one end of the isolation switch; the external adjusting handle is arranged on the outer surface of the box body, and one end of the external adjusting handle penetrates into the box body and is connected with one end of the internal control mechanism; the locking piece is arranged on the outer surface of the box body; and one end of the external adjusting handle is screwed and fixed with one end of the locking piece. The device can directly control the opening and closing of the isolation switch outside the box body, thereby avoiding the tedious step of opening the cabinet door to enter the internal operation, and greatly improving the operation efficiency.

The embodiment of the invention discloses a runtime memory management method and device, an operating system, a virtual machine, equipment and a terminal.The method comprises the steps that when an application is selected, an entry function of the current selected application is called, and module memory links of all modules imported by the current selected application are established; when the current selected application code is executed, in the processing process that the virtual machine executes the target data instruction to access the byte code corresponding to the memory address, the memory address included in the byte code is analyzed, and module information of a target module where the access memory is located and the memory type are obtained; determining an initial address of an actual memory space of the target module according to module information and a memory type of the target module and the module memory link; and performing address space access according to the initial address of the actual memory space of the target module. According to the technical scheme, safe isolation of variable data between logic channels and between modules can be ensured, and meanwhile the memory access efficiency is improved.