60results about How to "Realize isolation protection" patented technology

This invention discloses a broadband network safety cut-over method including: DHCP relay server transfers a received DHCP request message sent by an end user about applying for access to the networkto DHCP server which allocates IP address for the said end user and puts down the allocated user IP address and its own IP address the network initialized information in a DHCP response message to besent to DHCP relay server which shields the IP address of DHCP server in the respose message, then to be transferred to the user who gets the IP address allocated to him and cuts over into the network to prevent users from knowing the true DHCP server IP address to realize isolated protection to DHCP server.

The invention relates to the technical field of the Internet, and especially relates to a business processing system and method so as to solve a problem that the business processing failure rate is higher. The system provided by the invention comprises a receiving module which is used for receiving a to-be-processed task of a user, wherein the to-be-processed task comprises a processing parameterselected by the user, and the processing parameter comprises the information of an indication business channel; a control module which is used for judging whether to distribute a business channel indicated by the user to the to-be-processed task or not according to the channel task distribution information configured by a configuration center, and transmitting the to-be-processed task to the business channel after the business channel indicated by the user to the to-be-processed task can be distributed; a channel module which comprises a plurality of business channels which are used for processing the distributed to-be-processed tasks; and the configuration center which is used for monitoring the task processing state of a plurality of business channels in the system, configuring the channel task distribution information and transmitting the configured channel task distribution information to the control module.

The invention discloses an XEN cloud platform-based virtual machine block device isolation method and belongs to the information security field. The method comprises the following steps that: S1, generation and access of protection keys are performed when a client virtual machine is newly built; S2, a secure connection is constructed between the client virtual machine and a remote server; S3, the client virtual machines makes a block device read-write request to the remote server, and encryption and decryption processing is performed on block data before the remote server executes the request; and S4, a physical layer performs reading operation on the block data. According to the XEN cloud platform-based virtual machine block device isolation method of the invention, a key management and encryption mechanism is introduced to a system isolation scheme so as to protect the access of the block device; when writing and reading data, the remote server can see the data, while, the data that can be seen by the remote server is the data which have been subjected to encryption protection, so the remote server cannot correctly analyze the meaning of the data, and therefore, a purpose of ''being seen but not understood'' can be achieved.

The invention relates to an alternating current-direct current two-level isolated direct current power device, which comprises a lightning arrester, wherein the input end of the lightning arrester is connected with a mains supply, and the output end of the lightning arrester is connected with the input end of a charging module; the output end of the charging module is connected with a second relay; the second relay is connected with the input ends of a first battery pack and a second battery pack; the output ends of the first and second battery packs are connected with a third relay respectively; the third relay is connected with the input end of a voltage stabilizing circuit; the output ends of the first and second battery packs are connected with the input end of a voltage comparator module; the output end of the voltage comparator module is connected with the input end of a microcontroller module; the output end of the microcontroller module is connected with a relay driving module; the output end of the relay driving module is connected with three relays respectively; the microcontroller module is connected with an Ethernet controller through a serial peripheral interface (SPI); and the Ethernet controller is connected with a far-end upper computer through the Ethernet. By the device, electrostatic induction of lightning stroke is effectively prevented from entering monitoring equipment through the mains supply, so that the probability of damaging the earthquake monitoring equipment by the lightning stroke is greatly reduced.

The invention relates to a system and a method for continuous electrolysis processing of microgroove groups of a flexible metal sheet, and belongs to the technical field of electrolysis processing. The system comprises a flexible metal sheet workpiece conveying system, an electrolysis processing tool electrode system, a processing power source, an electrolyte circulating system, and an electrolysis processing machine tool. The method comprises the following steps of during processing, firstly, clamping the flexible metal sheet, enabling the flexible metal sheet to penetrate between a plurality of support rollers and an arc-shaped masking plate, and enabling the inner and outer surfaces to tightly attach with the corresponding support rollers and the arc-shaped masking plate; according to the structure and size of each microgroove group, selecting a tool electrode, and completing the clamping; flushing electrolyte, feeding each tool electrode along the radial direction of the corresponding support roller, and processing a groove structure in the surface of the flexile metal sheet; processing to the specified depth, enabling a driving wheel to continuously rotate, and driving the flexible metal sheet to slowly slide along the tangential direction of each roller, so as to complete the continuous processing of the microgroove groups of the flexible metal sheet. The system and the method have the advantages that the tool electrodes can be synchronously performed with auxiliary movement, and the updating of electrolyte and the discharging of electrolysis products are promoted.

The invention discloses a phase-change type high-protection network interface, and belongs to the technical field of network interfaces, and the phase-change type high-protection network interface can achieve the isolation protection of an external environment through a mode of wrapping the outer side of a network interface body with an outer wrapping protection layer, and triggers the internal water outlet cooling action through a trigger embedded ball, and the working temperature constancy of the network interface body is improved. In the using process, when slight external force acts, the outer wrapping protection layer can offset the external force through the buffering effect of the outer wrapping protection layer, and when large external force acts, the trigger embedded ball still triggers a large amount of water outlet actions, the water is conveyed to the ice condensation sleeve at the designated position through the hydraulic buffering effect in the outer wrapping protection layer, and the ice condensation sleeve absorbs a large amount of heat when dissolved in the water, so that partial area in the outer wrapping protection layer is promoted to be condensed to form an ice layer for reinforcement, and the network interface body is effectively replaced to resist the external force; and meanwhile, the possible short circuit risk can be avoided by controlling low temperature, and the protection performance of the network interface body is remarkably improved.

The invention relates to the technical field of the physical distribution package and in particular to a fresh oxygenated packaging device and a using method thereof. The structure of the fresh oxygenated packaging device comprises a pressure-resistant inflated bag and a waterproof inflated bag. The pressure-resistant inflated bag is provided with a sealed opening. The pressure-resistant inflated bag is filled with water and oxygen. The pressure-resistant inflated bag is sealed in the waterproof inflated bag. The invention further discloses the using method for the fresh oxygenated packaging device. The fresh oxygenated packaging device is capable of sealing the fresh food in the pressure-resistant inflated bag filled with the water and oxygen, and realizing the packaging requirement of the fresh food delivery.

The invention discloses a transformer oil temperature detection device and system, and belongs to the technical field of transformer oil temperature detection. The transformer oil temperature detection device and system comprises an oil tank installed on a transformer and a monitoring terminal, the monitoring terminal comprises a main control system, the oil tank is filled with oil, a liquid separation plate is arranged in the oil tank, two ends of the liquid separation plate are fixedly connected with a pair of inner walls of the oil tank respectively, and the upper end of the oil tank is fixedly connected with a water tank. Grading detection of oil is realized, the predictive temperature of the oil is detected in a state that a temperature sensor is isolated from the oil, and the actualtemperature is detected when the temperature sensor is in contact with the oil, so direct and accurate detection of the oil temperature is achieved, isolation protection of the temperature sensor canbe achieved, the temperature sensor is not prone to being affected by long-time soaking of oil and the high temperature of the oil, the detection performance of the temperature sensor is guaranteed, and therefore the accuracy of an oil temperature detection result is further guaranteed.

The invention relates to a double odor-resistant floor drain device. The floor drain device comprises water leakage grid bars, an outer cavity, an inner cavity and an odor-resistant inner core, wherein the water leakage grid bars are movably connected to the top of the outer cavity, the inner cavity is fixed in the outer cavity, and the odor-resistant inner core is arranged at the bottom of the inner cavity; holes are formed in the side wall of the inner cavity, a floating plate is arranged in the inner cavity, and the odor-resistant inner core comprises an inner cylinder, outer cylinders, steel balls, supports, springs, water nozzles and a rotary closer; and the supports are arranged on the outer sides of the inner cylinder, the steel balls are arranged on the supports, the outer cylinders are nested on the inner cylinder through the steel balls, water permeation holes are formed in the side walls of the bottom of the inner cylinder, the water nozzles are distributed on the two sidesof the outer cylinders, and water outlets of the water nozzles on the two sides are opposite in direction. The floating plate is matched with the rotary closer, and the floating plate blocks water drainage openings of a floor drain, so that first isolation protection is achieved; and when the rotary closer is in a closed state when no water exists, second isolation protection is achieved, so thatodor and microorganisms in a drainage pipeline are effectively prevented from entering a clean area, the cost is low, the operation is convenient, and wide application and popularization are facilitated.

The invention discloses a preparation method of a self-repairing composite insulator, and belongs to the technical field of insulators. Self-repairing microspheres are innovatively introduced in the preparation process of the insulator, a crack of a resin layer can be sensed in time through the extension sensing capability of a sensing tube, the brittle fracture action is triggered, repairing resin stored in an interface repairing core is released, repairing assisting microspheres reserved in the sensing tube are extruded out of a crack to make contact with outside air, and therefore oxidation reaction is carried out to generate heat, on one hand, the heat is used for catalyzing the repairing assisting microspheres to generate a large amount of oxygen for disintegration, on the other hand, the heat is used for heating the repairing resin to force the repairing resin to be rapidly cured, after the repairing resin completes filling repair forming along the crack, the disintegrated repairing assisting microspheres cover the surface of the repairing resin, seepage prevention is conducted through the hydrophobic characteristic of the repairing assisting microspheres, then the repair effect is improved, insulation and mechanical protection are provided within a certain period of time, and time is gained for regular maintenance by technicians.

The invention discloses a storage data protection method and device. The encryption and decryption adjustment values are calculated according to the storage addresses of the data and the feature information corresponding to the systems storing the data, the data to be stored or required to be read are encrypted and decrypted according to the encryption and decryption adjustment values in the datastorage and reading process, and isolation protection of the data is achieved among different systems. In the encryption and decryption processes, through the design of the feature information corresponding to the system and the encryption and decryption calculation, the same set of encryption and decryption device can be used for realizing the storage resource protection of a plurality of hosts or a plurality of systems. Different encryption and decryption adjustment values can be obtained for different addresses of each host and each system, and different plaintext and ciphertext corresponding relationships are obtained, so that the privacy of data between different systems is protected, and the security of the data is greatly enhanced.

The invention belongs to the field of computer application and particularly relates to a computer and a built-in function sub-board thereof. The built-in function sub-board comprises a USB (universal serial bus) hub, a USB option switch, a USB multiplex switch, a plurality of U disks and a conversion chip; the built-in function sub-board is connected with a main board of the computer through a serial port; the serial port is connected with the USB hub through the conversion chip from a USB to the serial port in the built-in function sub-board; and the two U disks with certain capacity are connected with the USB hub and connected with the USB option switch at the same time. A user can perform an operation of detecting, updating, deleting or the like on data in the two different U disks through the USB option switch so as to achieve isolated protection of data resources.

The invention discloses a heat-removal battery module structure with high energy ratio, comprising a battery core group, wherein a left air baffle is arranged on the left side of the battery core group, and a right air baffle is arranged on the right side; an upper positioning bracket and a lower heat conducting plate are disposed between the left air baffle and the right air baffle; the left airbaffle, the right air baffle, the upper positioning bracket and the lower heat conducting plate cooperate to fix the battery core group and have a good heat-removal effect. The invention may effectively avoid the deformation of the package after long-term use, is more secure and reliable, and has the advantages of simple and compact structure, small volume, reduced cost input, economy and practicability, high space utilization, reasonable setting and wide application range.

The invention provides a battery module pressure-retention mounting structure. Heat conduction silica gel is respectively arranged on each of the left outer side and the right outer side of a batterymodule; a heat conduction aluminum plate is arranged between every two battery modules; the heat conduction aluminum plates are arranged between every two pieces of oppositely arranged heat conductionsilica gel, extend along a front end and a rear end respectively, penetrate through clamping grooves in insulating positioning brackets in length directions of side rods, and are used for performingpressure retention clamping of two side surfaces of battery modules through clamping of every two insulating positioning brackets. Due to adoption of the heat conduction aluminum plates and the heat conduction silica gel between the battery modules, a collision buffer function of the battery modules is achieved, meanwhile isolation protection of the battery modules is achieved, and the structure is good in collision prevention effect, good in heat radiation effect, good in security, capable of effectively preventing packaging deformation after long-term use of a soft package, relatively safe and reliable, in addition simple and compact, high in space utilization rate and reasonable in arrangement.