27results about How to "Avoid interception" patented technology

The invention discloses a security protection method and system for an information management system and a storage medium, and relates to the technical field of security protection.During operation of the system, when a user logs in or carries out sensitive operation, multiple identity verifications are carried out, an identity verification coefficient AC is obtained through calculation, various security parameters in the system are collected and updated in real time, and the security protection efficiency is improved. A high-strength encryption algorithm is applied to data to be transmitted, an encrypted data packet is generated, a transmission encryption coefficient EC is obtained through calculation, corresponding access permissions are set for different data based on user roles, identities and access content, an abnormal monitoring coefficient ADC is obtained, and a comprehensive safety coefficient SEC is obtained through calculation according to an identity verification coefficient AC, the transmission encryption coefficient EC and the abnormal monitoring coefficient ADC. The overall safety of the system is dynamically evaluated, abnormal behaviors are recognized and logs are recorded by comparing the comprehensive safety coefficient SEC with a preset threshold value, and when the system detects an abnormal access mode, a safety alarm is triggered and countermeasures are taken.

The invention provides a BMS upper computer system, and relates to the technical field of upper computer control, the BMS upper computer system comprises a BMS upper computer and a BMS, the BMS upper computer determines key data of the BMS according to a connection instruction, and sends a request seed message to the BMS; the BMS receives the request seed message; based on the request seed message, determining seed data according to the random factor, and sending the seed data; the BMS upper computer receives seed data returned by the BMS; based on a preset encryption algorithm, determining a first encryption seed result according to the key data and the seed data; the BMS determines a second encryption seed result based on a preset encryption algorithm according to the key data and the seed data, and verifies the first encryption seed result and the second encryption seed result; and when the first encryption seed result and the second encryption seed result are the same, connecting a BMS upper computer, and sending an identification binding success message to the BMS. According to the invention, the safety can be improved.

The invention discloses an electric power WLAN security reinforcement method, system and device based on trusted computing, and relates to the technical field of electric power WLAN security, the method comprises the following steps: respectively presetting a trusted platform control module TPCM and corresponding components on an electric power wireless terminal, an electric power wireless access point and an electric power authentication server to form a ternary three-layer architecture; certificate application and distribution of equipment are carried out according to the three-element three-layer architecture, the equipment is managed and controlled in a unified mode through an electric power authentication server, and the equipment comprises an electric power wireless terminal and an electric power wireless access point; and carrying out trusted access authentication on the equipment which obtains the certificate, including bidirectional identity authentication based on a ternary three-layer architecture, platform identity and integrity evaluation based on attributes and key negotiation based on a national cryptographic algorithm, so as to realize access of the trusted power wireless terminal to the trusted power wireless access point. According to the method, collusion attacks can be prevented, platform configuration information cannot be leaked, and sensitive information can be effectively prevented from being intercepted by attackers or untrusted intermediate equipment.

The invention discloses an intelligent air circulation fan, and relates to the technical field of circulation fans, the intelligent air circulation fan comprises an outer cylinder mechanism, the outer cylinder mechanism comprises an outer cylinder, one port of the outer cylinder is expanded outwards, the lower side of the outer cylinder is provided with a support assembly, the other port of the outer cylinder is in butt joint with a main cylinder mechanism, the main cylinder mechanism comprises a main cylinder, and the main cylinder is fixedly connected with the outer cylinder through a flange; an impeller assembly is arranged in the main cylinder mechanism, a framework assembly is arranged in an externally-expanded port of the outer cylinder and comprises a hollow water bin, bin columns used for supporting are evenly and fixedly connected between the outer side of one end of the water bin and the outer cylinder at equal intervals, and the outer side of the other end of the water bin is fixedly sleeved with a cover cylinder; the two sides of the lower inner wall of the cover cylinder are fixedly connected with bottom tables correspondingly, motors fixedly connected with the bottom tables are embedded and inserted into the cover cylinder, the impeller assembly comprises a shaft cylinder mechanism and a fan mechanism, and according to the intelligent air circulation fan, the atomization effect is improved, and the air wetting effect is remarkably improved.

The invention relates to the field of aeration, in particular to an anti-blocking aeration device which comprises an aeration pipe, an air inlet pipe, an aeration net, a circular table plate I and the like, the aeration pipe is communicated with a gas inlet pipe; the aeration pipe is in sliding connection with an aeration net; and the aeration pipe is fixedly connected with a circular table plate 1. Through the arrangement of a siphon channel and an arc-shaped through hole I, and by utilizing the characteristic that quickly flowing air can enable the aeration pipe to generate negative pressure, the generated negative pressure can pump sewage at the bottom in the accommodating tank into the aeration pipe through the siphon channel and the arc-shaped through hole I in sequence; the organic pollutants at the bottom in the accommodating tank can flow in the accommodating tank again, so that the conditions that in the prior art, the sewage at the bottom in the accommodating tank is difficultly pushed by bubbles to flow, and parts of the organic pollutants in the sewage easily sink to the bottom in the accommodating tank are avoided; the contact opportunity between the organic pollutants at the bottom in the accommodating tank and the aerobic microorganisms is difficult to increase.

The utility model belongs to the technical field of waste heat utilization equipment, and particularly relates to a waste heat boiler which comprises a waste heat boiler body and supporting legs, a waste heat recovery structure is arranged above the waste heat boiler body and comprises a filtering mechanism and a recovery mechanism, and the filtering mechanism comprises a supporting plate, a gas guide pipe, an installation plate, a fixing plate and a rotating rod. The top of the supporting plate is connected with the bottom of the recycling box, one end of the waste heat boiler communicates with one end of the gas guide pipe, and the two ends of the mounting plate are connected with the inner wall of the recycling box. According to the waste heat boiler, after flue gas enters the recycling bin, the flow speed is reduced, the retention time is prolonged, the filter screen can effectively intercept solid impurities in the flue gas, pollutant emission is reduced, environmental pollution is avoided, impurities accumulated on the surface of the filter screen can be automatically removed, blocking is prevented, and the filtering efficiency is maintained; and meanwhile, the filter screen can be quickly and conveniently disassembled and assembled, and the working efficiency of the waste heat boiler is improved.

The present invention relates to the technical field of walnut oil processing, and specifically to a finished product storage device for walnut oil processing, including an oil storage box and a separation mechanism, wherein an L-shaped oil tank and an electrical chamber are provided in the oil storage box, and the separation mechanism is arranged in the oil tank, and the separation mechanism includes an outer ring, a filter screen 1 of an annular structure, and a collection box, a filter screen 2 is provided on the lower surface of the collection box, and a sealing plate is fixedly installed on the side of the collection box close to the opening, and the outer ring is driven by a driving mechanism. The present invention drives rotating components 1 and 2 through a driving mechanism and a transmission mechanism, and drives a movable rod to continuously vibrate and then hit filter screen 1 under the action of a vibration component, so that oil residue is completely separated from oil, and at the same time, it is separated from filter screen 1 and enters the collection box together, which solves the problem that oil residue easily blocks oil storage equipment and causes poor separation effect, and at the same time, filter screen 2 is used to prevent oil from entering the collection box, thereby improving the separation effect.

The utility model belongs to the technical field of range hoods, and particularly relates to a multi-layer filtering structure of a range hood, which comprises a range hood body, a smoke exhaust channel is fixedly mounted at the top of the range hood body, a smoke inlet mesh enclosure is arranged at the bottom of the smoke exhaust channel, and a fixing block is fixedly mounted on the inner wall of the smoke exhaust channel. A filter cartridge is arranged on the surface of the fixing block, a connecting block is fixedly mounted on the surface of the filter cartridge, and a screw is in threaded connection with the surface of the connecting block. Oil fume can be discharged through the filter cartridge, oil absorption cotton in the filter cartridge can filter oil dirt in the oil fume, the oil dirt in the oil fume can be intercepted, the oil fume is separated, after the oil fume is separated, the oil fume can be discharged through exhaust holes, and after the oil dirt sucked by the oil absorption cotton is condensed, the oil fume can be discharged through exhaust holes. Oil stains can drop into the collecting box through the filter cartridge to be collected, so that the oil stains contained in the oil fume can be effectively intercepted, the oil stains are prevented from being discharged to the outside, and the outside air environment is guaranteed.

The invention discloses a cargo processing method, system and device based on order cancellation, and the method comprises the steps: obtaining the current state of a target order in response to the cancellation information of the target order; if it is detected that the current state of the target order is in transit, obtaining current positioning information of the target order; according to the current positioning information, determining that a target order is located at a transportation road section between adjacent distribution centers, and obtaining a next distribution center of the target order; the deposit location information of the target order and corresponding designated distribution centers are obtained, the deposit location information comprises at least one deposit address, and each deposit address is associated with at least one nearest designated distribution center; and if the next collection and distribution center is the designated collection and distribution center, generating an instruction of intercepting the target order at the next collection and distribution center. According to the invention, the designated collection and distribution center can be determined according to the deposit address, the goods of the target order are intercepted in the designated collection and distribution center for the order cancelling scene, and waste of transport capacity resources is effectively avoided.

The present application relates to the field of industrial automation control, and specifically provides a programmable logic controller program automatic acquisition method, a storage medium and an electronic device, aiming at solving the problem that multiple types of processor programs cannot be automatically collected. To this end, the acquisition method of the present application comprises: acquiring the type of central processing unit contained in the programmable logic controller; the type includes a standard central processing unit and a fail-safe central processing unit; according to the type, determining the program upload mode of the programmable logic controller; according to the program upload mode, uploading the program of the programmable logic controller. The present application can realize compatible collection of standard central processing unit and fail-safe central processing unit device programs, and reduce the labor cost and time cost of industrial device program operation and maintenance.

This invention relates to a passive defense-based unmanned surface vessel (USV) swarm interception method, comprising the following steps: establishing motion models of the defending and attacking USVs based on the speed and maneuverability differences between the defender and attacker; defining the strike radius and defense radius, where objects approaching within the USV's strike radius will be destroyed; the defense radius being the distance between the defending USV and the target point; predicting the path of the attacking USV using a passive defense method; assigning task targets to the defending USV swarm using a heuristic task allocation search algorithm; the attacking USV employing an improved artificial potential field method for path planning and dynamic obstacle avoidance to evade the interception by the defending USVs; and evaluating the USV swarm interception effectiveness based on multiple interception effectiveness evaluation indicators. Compared with existing technologies, this invention can utilize the swarm advantage and positional advantage of the defender to compensate for its speed disadvantage, thus better executing the interception mission.

The utility model discloses a radio station supporting double transmission modes, and belongs to the technical field of radio station communication. The radio station comprises a shell and a radio station body arranged in the shell, the radio station body comprises a first circuit layer, a second circuit layer, a third circuit layer and a fourth circuit layer which are sequentially and adjacently arranged, and the first circuit layer is provided with a display module, a peripheral interface module and a key module. The second circuit layer is provided with a power supply module, a central processor and a positioning module, the third circuit layer is provided with an information processing module, a sending routing switch, a receiving routing switch and a mode control module, and the fourth circuit layer is provided with an optical fiber receiving module, a wireless receiving module, an optical fiber sending module and a wireless sending module. According to the utility model, the positions of the modules in the radio station are reasonably arranged, the miniaturization design of the radio station is realized, the radio station is convenient to carry, and the use requirements of complex scenes are met.

The invention discloses a quantum security network authority management system and method. The system comprises a quantum security device and a border base station. The quantum security device is used to obtain characteristic information of a sender to which an encryption key and an encrypted ciphertext belong. If the characteristic information is not in a pre-configured first preset rule, the quantum security device obtains the characteristic information of the sender to which the encryption key and the encrypted ciphertext belong to determine whether the characteristic information is in the pre-configured first preset rule. If not, the encryption key and the encrypted ciphertext are intercepted, so that the encryption key and the encrypted ciphertext can be intercepted at the source. At the same time, in combination with the characteristic information obtained by the border base station, it is also verified whether it is in the second preset rule to determine whether the encryption key is intercepted, thereby realizing double protection of the encryption key, and the overall security reliability is higher; and simple and efficient authority management can be realized.

The present invention relates to the field of e-commerce technology, and discloses a text message marketing method and system, the method comprising: obtaining text message marketing area information, and obtaining a target phone number based on the text message marketing area information; obtaining marketing text message information, analyzing the marketing text message information, and determining the marketing type; and matching the anti-shielding words corresponding to the marketing type in a pre-configured word library based on the marketing type; based on the anti-shielding words, regenerating the marketing text message information through a pre-trained natural language processing model to obtain an anti-shielding marketing text message; and sending the anti-shielding marketing short message to the target phone number. The present invention can effectively prevent text messages from being intercepted by mobile phone operators or mobile phone systems, and the anti-shielding rate of text messages is greatly improved, ensuring that marketing information can be successfully delivered to the target audience, increasing the exposure and conversion rate of marketing activities, and improving marketing effects.

The invention provides a microcontroller, a safety system and a protection method. The microcontroller comprises an unsafe area, a safe area and a processing circuit. The non-safe area stores a neural network model. The neural network model includes an encrypted operator and an unencrypted operator. The secure area stores a key and includes a decryption circuit. In a non-secure mode, the processing circuitry interprets the unencrypted operator. In a secure mode, the processing circuit requires the decryption circuit to decrypt the encryption operator by using the key to generate a decryption result. In the secure mode, the processing circuit interprets the decryption result to generate an output data, and stores the output data to the non-secure region.

The invention relates to the technical field of oil-water separation, and discloses a nanofiber membrane as well as a preparation method and application thereof. The nanofiber membrane is prepared through co-electrostatic spinning and comprises a first nanofiber and a second nanofiber which are mutually wound, the first nanofiber contains polypropylene and a hydrophobic polymer, the second nanofiber is polyacrylonitrile, and the first nanofiber and the second nanofiber are mutually wound. The hydrophobic polymer is at least one of polystyrene, polyvinylidene fluoride and polymethyl methacrylate. According to the technical scheme, water and oil are allowed to be conveyed through the membrane through the two channels, formation of intercepted oil pollutants in the whole separation process is fundamentally avoided, and lasting and excellent anti-pollution performance is provided for ultra-stable long-term separation of the oil pollutants from oil-containing wastewater.

The present disclosure relates to a communication method and system for integrating a fifth generation (5G) communication system supporting a higher data rate than a fourth generation (4G) system with Internet of Things (IoT) technology. The present disclosure can be applied to smart services based on 5G communication technology and IoT-related technologies, such as smart homes, smart buildings, smart cities, smart cars, connected cars, healthcare, digital education, smart retail, safety and security services. The present disclosure provides a method and apparatus for effective event management using a secure element and a bundle installed therein.

The utility model provides a kind of air extraction protection device, for being installed in the connecting place of vacuum pipeline and process chamber of plasma etching machine, air extraction protection device includes cover body and the multiple ventilation structures of being arranged along the circumferential interval of cover body, ventilation structure includes air inlet hole group, first installation slot group and second installation slot sequentially arranged along the radial direction of cover body and from outside to inside, first installation slot group includes multiple first installation slots, air inlet hole group includes multiple air inlet holes, multiple air inlet holes are distributed in multilayer circular array, part of air inlet hole and multiple first installation slots one-to-one correspondence communication, the rest air inlet hole and second installation slot communication;Wherein, first installation slot is equipped with first filter screen, second installation slot is equipped with second filter screen, the mesh number of second filter screen is greater than the mesh number of first filter screen.The utility model can effectively avoid solid deposit peeling into vacuum pipeline, effectively guarantee the air extraction efficiency of vacuum air extraction system.

The utility model provides a lobby self-service equipment hood. The lobby self-service equipment hood comprises a hood body, an anti-collision strip is detachably connected to the edge of the outer side of the hood body, a maintenance door is hinged to the rear end of the hood body in an embedded mode, a handle is arranged on the outer side of the maintenance door in an embedded mode, a filter plate is installed in the maintenance door in an embedded mode, and a limiting block is arranged on the outer side of the filter plate in an embedded mode. According to the lobby self-service equipment hood, the structures such as the anti-collision strips are arranged, the anti-collision strips are made of rubber, collision impact force is absorbed through elastic deformation, the equipment damage risk is reduced, and the service life is prolonged; the detachable design is convenient to install and replace, the maintenance cost is reduced, the filter plate is installed in the maintenance door, air can be efficiently filtered, dust and sundries are prevented from entering equipment, faults such as poor heat dissipation and short circuit are reduced, meanwhile, the filter plate is detachably connected with the through groove, a rebounding device and a limiting block are matched, disassembly, cleaning and replacement are convenient, the fixing effect is enhanced, and the service life is prolonged. And stable operation of equipment is ensured, and the use performance of the equipment in a complex environment is guaranteed.

This invention relates to a device and method for detecting the cleanliness of down fabrics, belonging to the field of down quality testing technology. The cleanliness testing device includes a down washing bottle, a vibration mechanism for driving the down washing bottle in linear reciprocating motion, a water supply mechanism for providing cleaning medium to the down washing bottle, and a turbidity detection mechanism. The down washing bottle includes a bottle body structure composed of an upper bottle body and a lower bottle body, a water outlet on the lower bottle body, a screen located inside the water outlet, a gate valve assembly located outside the lower bottle body, and a limiting assembly. The water outlet is located in the direction of movement of the down washing bottle and is connected to the turbidity detection mechanism. This invention uses a vibration mechanism to oscillate the down sample. With the water outlet located in the direction of movement of the down washing bottle, the cleaning liquid is filtered through the screen by gravity-driven oscillation. The testing device maintains efficient filtration of the cleaning medium and improves detection accuracy.

The invention relates to the field of data processing, and discloses a data asset security assessment method and system, and the method comprises the steps that a security assessment module receives a data asset access request, extracts access features according to the access request, obtains an access request authorization state based on the access features, and carries out the security assessment if the access request authorization state is the authorization state; the user permission is determined according to user identity information in the access features, if the user is a known user, the security evaluation module obtains known user access behavior data and verifies the known user access behavior data and a corresponding user behavior mode stored in the cloud data server, and if the verification succeeds, the user permission is determined to be the known user. If yes, the security evaluation module judges data asset access security; and completing data asset security assessment. According to the invention, comprehensive and accurate security assessment of the data asset access request can be realized.

The application relates to a high-throughput skin chip capable of realizing mechanical stimulation and vascularization, and belongs to the technical field of biotechnology.The main structure is composed of a first, second and third layer plate, a porous membrane and a fifth layer plate arranged from top to bottom, and can be integrally processed and formed or obtained by separate processing and assembly.Compared with a traditional skin chip, the skin chip can accurately simulate various mechanical forces such as stretching and extrusion that the human skin receives in the actual environment in the aspect of mechanical stimulation, and provides a more real and reliable experimental platform for studying the physiological and pathological reactions of the skin under different mechanical conditions.In the aspect of vascularization simulation, a microchannel network and related structures are ingeniously constructed inside, the skin vascular system morphology and function can be effectively simulated, cells can better obtain nutrients and oxygen, and the growth of the cells and the formation of the tissues are promoted.The characteristics of high-throughput, mechanical stimulation simulation and vascularization simulation make the skin chip have wide application prospects in the field of cosmetic efficacy testing.

The invention relates to the technical field of walnut oil treatment, in particular to a finished product storage device for walnut oil processing, which comprises an oil storage box body and a separation mechanism, an oil groove with an L-shaped structure and an electrical room are arranged in the oil storage box body, and the separation mechanism is arranged in the oil groove and comprises an outer ring, a filter screen I with an annular structure and a collection box. A second filter screen is arranged on the lower surface of the collecting box, a sealing plate is fixedly installed on the side, close to the opening, of the collecting box, and the outer ring is driven by a driving mechanism. A first rotating assembly and a second rotating assembly are driven through a driving mechanism and a transmission mechanism, a movable rod is driven to continuously vibrate under the action of a vibration assembly to impact a first filter screen, oil residues and oil are completely separated, meanwhile, the oil residues are separated from the first filter screen and enter a collecting box, and the problem that the oil residues easily block oil storage equipment, and the separation effect is poor is solved; meanwhile, the oil is prevented from entering the collecting box through the second filter screen, and the separation effect is improved.

Embodiments of the present application provide a memory access processing method, device, storage medium and program product. In the embodiments of the present application, a second address page table with sub-page protection function is introduced for MMIO access, a target memory region to which a target device with write operation protection is mapped is divided into multiple sub-pages with finer granularity based on the second address page table, and a second page table entry for performing sub-page write protection on the target memory region is created on the second address conversion page table, by setting a target bit field corresponding to a target sub-page to which the target device is mapped as read-only permission, write operation on the target sub-page is intercepted. The scheme intercepts the write operation with sub-page as granularity, which can avoid intercepting the read operation on each sub-page and the write operation on other sub-pages except the target sub-page, is conducive to reducing the number of falling into the virtualization manager, reducing the performance overhead caused by the falling operation, and improving the efficiency of the memory access operation as a whole.

The application discloses an operation and maintenance operation control method, an electronic device, a storage medium and a program product, and belongs to the technical field of safe operation and maintenance. The method comprises the following steps: obtaining a command execution request, wherein the command execution request comprises execution command information, an operation and maintenance operation command and network element identification information; intercepting the sending of the operation and maintenance operation command to a target network element device, and determining a target execution command according to echo information fed back by the target network element device in response to the execution command information; and in response to the determination that the target execution command is allowed to be executed according to the target execution command and the interception configuration information of the target network element device, sending the operation and maintenance operation command to the target network element device. In this way, the reliability of command interception can be improved, and meanwhile, an additional 4A gateway is not needed for command interception, and the interception configuration information of the target network element device can be flexibly configured according to actual needs, so that the command interception scene of various types of network element devices can be adapted.

The invention provides a superfine fiber regenerated material with a charged gradient structure and a preparation method of the superfine fiber regenerated material, and relates to the technical field of non-woven fabric preparation. The preparation method of the superfine fiber regenerated material comprises the following steps: S1, preparing a cellulose stock solution; s2, forming the cellulose melt-blown non-woven fabric; and S3, recycling the NMMO solvent. The NMMO solution and other organic compound impurities which are not completely reacted can be separated through rectification and purification, and the purity of the NMMO is accurately improved, so that the NMMO reaches a higher quality standard; degradation products such as residual chains can be removed in a targeted manner through micellar enhanced ultrafiltration, so that the quality of NMMO is more stable; impurities such as residual chains, bacteria and metal ions are removed and degraded through rectification and purification, the chemical stability of the NMMO solution is enhanced, and the NMMO solution has better dissolving capacity and chemical stability.

The utility model discloses a kind of anti-willow catkin structures suitable for V-shaped integrated fluorine pump type condenser, including filter screen upper baffle, filter screen lower baffle and air filter screen, filter screen upper baffle includes first horizontal plate and first vertical plate, first vertical plate top surface is vertically connected in the side limit of first horizontal plate bottom surface, and a plurality of mounting holes are set up on first horizontal plate for being installed on heat exchanger top plate;Filter screen lower baffle includes second horizontal plate and second vertical plate and inclined plate respectively located in the side limit of second horizontal plate, and second vertical plate bottom surface is vertically connected in the top surface of second horizontal plate, and inclined plate top surface is connected in the bottom surface of second horizontal plate, the included angle between inclined plate and second horizontal plate is 70 °-75 °, and a plurality of mounting holes are set up on second vertical plate for being installed on heat exchanger bottom plate.This anti-willow catkin structure has the advantage that can effectively prevent willow catkin from adhering on condenser.