166results about How to "Fix security issues" patented technology

The invention discloses an automobile cabin software control method and system based on multi-mode interaction, and relates to the field of multi-mode data, and the method comprises the steps: S1, multi-source signal synchronous collection and timestamp calibration; a user voice instruction, a gesture track and eye fixation point information are collected in real time through a distributed sensor array; according to sensor data, a three-level synchronization architecture is combined with a PTP precise time protocol to achieve microsecond-level clock synchronization, a unified time service timestamp is embedded in a data packet header, and the timestamp error is controlled within + / -0.5 ms; s2, dynamic environment interference compensation; the method comprises the following steps: constructing an environmental noise perception model; the construction of the environmental noise perception model comprises the following steps: starting a regional strong light suppression algorithm for a strong light scene with the illumination intensity greater than 10,000 lux; activating a motion compensation module for a bumpy scene with a vertical acceleration greater than 0.3 g, and outputting an environment compensation multi-modal data stream; s3, analyzing time-space association semantics; and S4, confidence decision and instruction execution.

The invention relates to a double-wheel stable swing arm structure of a vehicle. Comprising a frame, a wheel suspension frame and a support fixedly connected with the frame, and a support center hole is formed in the support and located on the left-right symmetry line of the support. A swing arm center hole is formed in the center of the swing arm, a swing arm left connecting hole is formed in the left end portion of the swing arm, a swing arm right connecting hole is formed in the right end portion of the swing arm, and the swing arm left connecting hole and the swing arm right connecting hole are arranged in a bilateral symmetry mode with the swing arm center hole as the left and right. A central shaft penetrates through the central hole of the bracket and the central hole of the swing arm for connection; the swing arm left connecting hole is fixedly connected with a left spring of the wheel suspension bracket, and the swing arm right connecting hole is fixedly connected with a right spring of the wheel suspension bracket. According to the technical scheme, when the left wheel and the right wheel swing up and down, the swing arms can compensate the head warping distance of the wheels so as to achieve'no head warping ', so that a vehicle runs more stably, and the long-term problem about the safety and comfort of vehicle head warping in the market is solved.

The utility model discloses a heat preservation decoration composite board and an outer wall heat preservation structure, the heat preservation decoration composite board comprises a special foaming ceramic panel located on the outer side and a heat preservation material layer located on the inner side, and the special foaming ceramic panel and the heat preservation material layer are connected or bonded together in a composite mode; rabbets are formed in the periphery of the special foaming ceramic panel; the special foaming ceramic panel comprises a front layer structure and a rear layer structure and is divided into a front plate and a rear plate, the front plate and the rear plate are the same in shape and size, the front plate and the rear plate are staggered in the up-down direction, the front plate and the rear plate are also staggered in the left-right direction, and a tongue-and-groove is formed. According to the utility model, the problems of easy water seepage and cold and hot bridge generation at the abutted seam between the composite boards are solved; and the board body is easy to damage due to slotting on the composite board. The external corner part and the periphery of the window opening are easy to crack and damage due to water seepage; the volume weight of the thermal insulation panel material is large, and the panel body is easy to fall off.

This utility model provides a disc-lock node structure, which includes: a horizontal support frame; a vertical fastener disposed on the horizontal support frame, with its end connected to the end of the horizontal support frame to form an inverted L-shaped structure; and a clamping lock disposed on the horizontal support frame in a position-adjustable manner along its length. This utility model allows the clamping lock to move towards the vertical fastener, enabling both the clamping lock and the vertical fastener to be inserted into the connecting hole of the connecting disc and the fixing hole of the member to be fixed, and to move away from the vertical fastener, so that the clamping lock and the vertical fastener can respectively abut against the inner wall of the fixing hole along the radial direction of the fixing hole and the connecting hole, thus securing the clamping lock to the member to be fixed and achieving a fixed connection between the connecting disc and the member to be fixed.

The utility model discloses a high-efficiency water-electricity separation type mold temperature controller, which comprises a water inlet pipeline, a water pump and a water outlet pipeline, a heating assembly is connected in series on the water inlet pipeline, the heating assembly comprises a heating shell, a water diversion box, a water catchment box and a snakelike heating pipeline are arranged in the heating shell, and the snakelike heating pipeline is arranged between the water diversion box and the water catchment box and is communicated with the water diversion box and the water catchment box. The water diversion box and the water catchment box are respectively communicated with the upstream and downstream of the water inlet pipeline, the snakelike heating pipeline comprises a plurality of parallel straight pipe sections and bent pipe sections connected with the opposite end parts of the straight pipe sections, so that a single flow path through which a heat transfer medium sequentially flows through each straight pipe section is formed; an electric heating element is wound or laid on each straight pipe section, and the electric heating elements are physically isolated from the heat transfer medium in the straight pipe sections. The heat exchanger has the advantages of compact structure, large heat transfer area and high efficiency.

This application discloses a key distribution generation method and system for multi-park integrated authentication, relating to the field of industrial internet key technology. The method includes: collecting cardholder information and sending it to a cloud center; generating a first authentication risk coefficient based on the current operating status and a second authentication risk coefficient based on historical verification records, and evaluating the authentication risk index; if the authentication risk index does not exceed a preset risk threshold, using a basic key distribution generation strategy for identity verification; if the authentication risk index exceeds the preset risk threshold, calculating the risk index overflow value, optimizing the key distribution factor composition and the selection method of the derived algorithm, and generating an adapted key distribution generation strategy for identity verification. This solves the technical problems of existing key distribution generation strategies being fixed and rigid, unable to adaptively adjust to the dynamic risk characteristics of multi-park authentication scenarios, and lacking a risk quantification assessment mechanism, leading to a lag between security strategies and risk situations.

This invention discloses an electrically controlled cargo box heating device, method, and mining dump truck, including a heating box, a smoke baffle assembly, an electronic control device, a sealing pipe, an exhaust tailpipe assembly, and a cargo box. The heating box includes a box panel, a smoke baffle slide, an electronic control bracket, an air inlet, an exhaust outlet, and a heating outlet. The electronic control device includes a control unit, an electric push rod, and a lifting cylinder. This invention uses an electronic control system to reverse the engine exhaust during cargo box lifting and lowering, utilizing the high-temperature exhaust gas from the engine to heat the cargo box, achieving waste gas reuse and solving efficiency and safety issues caused by frozen cargo box materials in low-temperature environments. The simple mechanical structure ensures stable reliability, and the electronic control system ensures the orderly operation of each component. Operating the cargo box while disconnecting the heating channel for normal exhaust avoids cargo box blackening and carbon dust dispersion, ensuring a good vehicle appearance and driving environment while heating the cargo box.

The utility model discloses a heat dissipation structure and a heat dissipation battery pack, and relates to the technical field of battery pack heat dissipation, the heat dissipation structure comprises a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation main body and a heat conduction plate, the heat conduction plate is used for being connected with the battery pack and transmitting heat generated by the battery pack, and the heat dissipation main body is connected with the heat dissipation main body. A heat dissipation cavity is defined by the heat dissipation main body and the heat conduction plate; and the heat conduction plate can transfer heat generated by the battery pack to the heat dissipation cavity. According to the technical scheme provided by the utility model, the problems that in the driving process of the new energy automobile, the battery pack is in a long-term working state, heat accumulation is easily caused, then the battery pack is damaged, and even serious safety accidents such as battery short circuit and fire are possibly caused can be solved.

The invention relates to the technical field of power distribution network power supply and operation control, and discloses an intelligent operation management method of a primary and secondary fusion ring main unit. The method is used for solving the problems of safe and stable operation and poor rapid power restoration effect of a power distribution network in a traditional method. The method comprises the following steps: firstly, a service triggers and freezes topology and a strategy version, and a sampling window and an event window are established to gather remote signaling, remote measurement, receipt and alarm to form an operation context; carrying out hierarchical grading on point locations according to freshness, missing and conflicts, and determining a data availability level, a risk level, a decision conservative level and segmentation granularity; isolation locking, sequence protection, transfer boundary reliability and time sequence alignment checking are sequentially completed to generate a constraint list, a plan packet is issued according to segments, segment preconditions, multi-source confirmation points and rollback rules are configured, monitoring confirmation is conducted, rollback is conducted when abnormity occurs, or an archiving track is terminated, and auditing and rapid isolation power restoration can be achieved.

This invention provides a fingerprint-secure login method and terminal for cloud computers. The method includes: repeatedly collecting fingerprint data from the same finger of a user and encrypting the fingerprint data to obtain encrypted fingerprint data; sending a first storage request to a cloud server, the first storage request including the encrypted fingerprint data; when logging into the cloud computer corresponding to the cloud server, collecting the user's current fingerprint data, encrypting the current fingerprint data, and sending a login request to the cloud server, the login request including the current encrypted fingerprint data; and unlocking the cloud computer corresponding to the cloud computer account upon receiving a verification success message from the cloud server. This invention effectively solves the problems of inconvenience and low security level of requiring account and password input during login in existing technologies.

This invention belongs to the technical field of power equipment operation and maintenance, power distribution line construction, and high-altitude operation machinery. A pole-mounted transformer replacement device based on a truck-mounted crane is characterized by comprising a main frame and support system, a translational load-bearing system, a chain drive system, and a vertical lifting and centering system. The main frame and support system includes a main load-bearing frame, stabilizing legs, and lifting lugs. The translational load-bearing system includes a translational load-bearing platform and a linear guide rail slider assembly. The chain drive system mainly consists of a geared motor, a drive gear, a driven gear, a short transmission chain, a drive sprocket shaft, a bearing support seat, a long transmission chain, and a reducer mounting support. The vertical lifting and centering system includes a centering mechanism, a vertical lifting mechanism, and a vertical lifting support plate. The centering mechanism includes a horizontal drive motor, a horizontal push rod mechanism, and a guide bracket. This device can be transported by truck, deployed quickly, and is suitable for operation in confined and electrified environments.

The invention discloses a semi-automatic puncture device based on an ultrasonic image. The semi-automatic puncture device comprises a puncture support, an ultrasonic detection device, a control module, a puncture needle and a pushing mechanism. The puncture support is provided with a vertical part, a transverse part and an inclined part, the vertical part is vertically arranged at one end of the transverse part, and the inclined part is obliquely arranged at the other end of the transverse part by 45 degrees. The ultrasonic detection device is arranged on the vertical part and is used for acquiring an ultrasonic image of the arm of the patient in real time. The control module is arranged on the top face of the inclined part, the pushing mechanism and the puncture needle are both arranged on the bottom face of the inclined part, and the pushing mechanism is used for pushing the puncture needle to conduct telescopic puncture along the inclined part. After the central axis of the ultrasonic image is aligned with the artery of the patient, the control module triggers the pushing mechanism to push the puncture needle to advance by 45 degrees so as to perform puncture. The puncture accuracy and safety can be improved, and the operation cost and the medical risk are reduced.

The invention provides a dust removal water cannon for coal mining and processing. The dust removal water cannon comprises a dust removal moving trolley; the dust removal liquid storage conveying mechanism is fixedly mounted on the inner side of the dust removal moving trolley, and the dust removal liquid storage conveying mechanism is electrically connected with the control case through a connecting wire; the positioning lifting mechanism is fixed to the front end of the dust removal liquid storage conveying mechanism, and the positioning lifting mechanism is electrically connected with the control case through a connecting line; according to the dedusting water cannon for coal mining and processing, a dripping liquid collecting frame of the dripping liquid collecting mechanism is used for receiving dripping liquid at a cannon muzzle, a high-low collecting cavity guides the liquid to flow into a recycling frame through a recycling pipeline, and the rotating dedusting cannon barrel is movably mounted on the inner side of the upper end of the positioning lifting mechanism; the problem that an existing device wastes water resources is solved, cyclic utilization of the water resources is achieved, and the use cost is reduced.

The utility model discloses a safe ventilation integrated outer window system relates to building outer window technical field. The system includes the light -transmitting area of installing in the windowsill wall body and the glass inlay, is connected in the ventilation area of light -transmitting area top and is linked with upper floor and is equipped with openable ventilation window, and installs the protective plate that has set up the air hole in ventilation window outside. Through first, second, third connecting component realizes the clamping or screw fixed connection of each area, and sets the screen component between protective plate and ventilation window. The system solves the contradiction of traditional anti -fall window safety and ventilation through the partition design, and the safe and beautiful of double protection guarantee safety, and the connecting mode of component also is convenient for installation maintenance.

The invention discloses a dual-core heterogeneous isolation anti-cheating system oriented to a metering task and an implementation method. The system comprises a trusted processing core which is responsible for functions of hardware trust root management, program legality authentication, peripheral management and control, resource access authorization and the like and is completely isolated from a metering service core; all external interactions are carried out through the trusted processing core, so that the security is ensured; the metering service core focuses on executing specific tasks and efficiently processing data; the secure storage area is only accessed by the trusted processing core to protect the security of key information; the business storage area is used for storing an operation program and temporary data of the metering business core and supporting update after verification; the lightweight interaction mechanism ensures that the metering service core interacts with the trusted processing core through the trusted channel via the information carrying the specific identifier when the peripheral needs to be accessed or the interrupt needs to be processed. By implementing the method provided by the invention, not only can comprehensive management and control on peripherals, whole-process encryption on data and whole-process recording on operation behaviors be realized, but also the metering safety and the system efficiency can be effectively balanced.

The application provides an overhead transmission line strain clamp airborne X-ray flaw detection communication control system, which comprises an X-ray flaw detection imaging device and a long-distance communication device, wherein the X-ray flaw detection imaging device comprises a ground control terminal and an X-ray machine and an imaging plate carried on an unmanned aerial vehicle; the ground control terminal is in communication connection with the X-ray machine and the imaging plate through the long-distance communication device, is used for acquiring real-time state parameters of the X-ray machine and the imaging plate, and generates an X-ray exposure instruction according to the real-time state parameters of the X-ray machine and environmental parameters; generates an imaging plate acquisition instruction according to the real-time state parameters of the imaging plate and the network delay between the ground terminal and the X-ray machine, realizes real-time optimization imaging of the X-ray machine under complex working conditions, realizes identification of a strain clamp defect type and a defect grade based on special defect identification rules of the strain clamp and X-ray images, and improves reliability and safety in an airborne X-ray flaw detection operation process.

The invention relates to a building material intelligent storage inventory and fireproof early warning method and system based on computer vision and RFID, and the method comprises the steps: carrying out the building material collaborative inventory and fireproof collaborative early warning in parallel through deploying an image collection module and an RFID read-write network; in the checking process, visual target detection is utilized to position building materials and guide an RFID reader-writer to carry out directional beam scanning, so that accurate binding of visual features and RFID identity information is realized, and a high-precision inventory list is generated; in the early warning process, a temperature abnormal area is identified based on thermal imaging, visual analysis is triggered to confirm building material accumulation and open fire characteristics, and then graded fire early warning is generated. Through multi-modal data fusion and cooperative processing, the automation precision of warehouse inventory and the reliability of fire early warning are improved, and integrated intelligent operation and maintenance of inventory management and safety monitoring are realized.

The utility model relates to the technical field of detection equipment, in particular to a shaft voltage detection device which comprises a base, a vertical rod is arranged on the base, a ram is hinged to the upper end of the vertical rod, a carbon brush is detachably connected to the ram through a fixing clamp, and the carbon brush is connected with a data collector through a wire. One end of the first spring is connected to the vertical rod, and the other end of the first spring is connected to the ram; the fixing clamp comprises a first connecting part of a C-shaped structure, second connecting parts extending outwards are arranged at the two ends of the first connecting part respectively, the fixing clamp is fixed to the ram in a bolting mode through the two second connecting parts, and the carbon brush is placed in a groove of the first connecting part and locked and fixed through a first locking bolt and a first locking nut. According to the device, manual handheld measurement is replaced, and the twisting injury risk caused by a high-speed rotating shaft is avoided; the pressure between the carbon brush and the shaft is kept balanced during measurement through the elastic force of the first spring, the carbon brush is always in stable contact with the surface of the shaft during measurement, and measurement fluctuation is reduced.

The invention provides an identity authentication method and device, electronic equipment, a storage medium and a program product, and relates to the technical field of information security. The method comprises the steps that a security architecture integrating quantum random source generation, dual-system algorithm fusion and hardware-level key protection is constructed by taking a super SIM card as a hardware carrier; the anti-quantum security and the national security compliance are ensured in the authentication process, meanwhile, the user does not need to additionally carry special hardware, the plug-and-play convenient experience is achieved, and the contradiction that security and portability are difficult to consider in a high-security scene is solved.

The application provides a fuel cell unmanned aerial vehicle energy management system, method and unmanned aerial vehicle. The management system comprises a multi-source data acquisition module, an information fusion and state construction module, an integrated prediction and uncertainty quantification module, a risk-sensitive reinforcement learning decision module, a power distribution execution module and an online learning update module. The method of the application constructs a complete technical closed loop of "multi-source information fusion-integrated prediction and uncertainty quantification-risk-sensitive reinforcement learning decision-online evolutionary learning", realizes intelligent balance and unification between real-time performance, global economy and operation safety of energy management in a complex flight environment by constructing an enhanced state space that fuses multi-source real-time information, and combining an integrated prediction model with uncertainty quantification capability and a risk-sensitive deep reinforcement learning decision maker.

The application discloses a kind of secondary frequency control method, device and storage medium based on neural network, belong to microgrid control technical field, method includes: obtaining the rated angular frequency of distributed microgrid preset, and the active power of each distributed power generation unit;Active power is respectively input into the corresponding pre-trained neural network, and the frequency compensation of each distributed power generation unit is output, the frequency deviation caused by droop control is compensated, so that the angular frequency of distributed microgrid output recovers to the rated angular frequency preset;Corresponding pre-trained neural network refers to the neural network that each distributed power generation unit corresponds one training process and is added privacy protection processing, so that attacker cannot infer whether single sample is used for the training of neural network according to neural network output result.The application can improve the security and stability of microgrid, solve the problem that traditional secondary frequency control method exists privacy leakage risk and security risk.

The application discloses a mobile charging robot, and relates to the technical field of charging management, and aims to solve the technical problems of the existing mobile charging robot, that is, the overall output capacity of the battery pack is reduced, the charging speed is limited, and there are safety hazards due to the inconsistency of the health state when the mobile charging robot performs high-power fast charging service, and the mobile charging robot comprises a mobile charging robot body and a thermal management system integrated in the mobile charging robot body; the mobile charging robot body comprises a chassis, a driving system arranged on the chassis, a charging control unit for being connected with an electric vehicle, and a control system; the thermal management system comprises a battery pack comprising a plurality of battery units and used for storing electric energy; the application fundamentally solves the problems of the limited output capacity and safety hazards of the mobile charging robot in the fast charging process due to the inconsistency of the battery pack by introducing the differential two-way thermal management based on the health state of the battery unit.

The application belongs to the technical field of organic synthesis, and discloses a chloromethylation method and a preparation method of piperonyl butoxide. The chloromethylation method comprises the following steps: using a chlorine salt and concentrated sulfuric acid as precursors of a chloromethylation reagent, and performing a chloromethylation reaction on dihydrocuminaldehyde and trioxane. The chloromethylation method can ensure that a large amount of waste acid and new impurities are not introduced in the preparation process of piperonyl butoxide, and gas hydrogen chloride is not used, so that the safety is improved, and the obtained piperonyl butoxide is high-purity, for example, the purity is not less than 99.5%.

The invention discloses a privacy-enhanced access control method for medical data sharing, which is characterized in that an efficient and privacy-protected attribute revocation mechanism is innovatively added on the basis of an original decentralized multi-authority attribute verification and strategy hiding mechanism, and an attribute revocation list (ARL) based on a Merkle tree and corresponding ZKP constraints are introduced, so that the privacy-protected access control method for medical data sharing is realized. Fine-grained dynamic authorization is supported, the security problem that user permission changes along with time in a medical environment is effectively solved, and triple privacy security of user attributes, access strategies and attribute validity states is ensured. Through cooperative work of a system initialization stage, a strategy deployment stage, an access request submission stage, an access control decision stage and a data access stage, strong privacy protection, decentralized architecture, fine-grained control and dynamic authorization in medical data sharing are realized; the problems of single-point failure, privacy disclosure and strategy stiffness in a traditional scheme are effectively solved, and a safe and reliable technical basis is provided for cross-institution medical cooperation.

This application discloses a railcar driving control method, system, electronic device, and storage medium. The method includes: receiving the molten iron load of the railcar from an intelligent platform; determining the engine control parameters corresponding to the molten iron load; controlling the railcar to start and move using the start control parameters of the engine control parameters, and uploading the real-time position of the vehicle to the intelligent platform; and controlling the railcar to stop moving according to the brake control parameters of the engine control parameters when a brake signal is received from the intelligent platform. Since the engine control parameters are adapted to the molten iron load, the start control parameters can be used to automatically control the railcar to start and move smoothly, avoiding safety issues caused by spillage of the molten iron. Upon receiving the brake signal from the intelligent platform, the railcar is automatically controlled to stop moving according to the brake control parameters, thereby automating the entire molten iron transportation process and replacing manual operation.

The application relates to the technical field of batteries, and discloses a battery pack and an electric device, which comprise: a battery, a shell of the battery having a first wall, an explosion-proof valve and a pole assembly being arranged on the first wall, the explosion-proof valve having a weak portion, a battery core comprising a battery core body and a current lead-out end, the current lead-out end being welded with a first end face to form a first welding mark; and a conductive row, the battery being provided with at least two, the two batteries being electrically connected through the conductive row, the conductive row being welded with a second end face to form a second welding mark; wherein the minimum distance between the welding mark edge of the first welding mark and the second welding mark closest to the edge of the weak portion and the edge of the weak portion is d, the minimum distance between the first welding mark and the second welding mark is k, and 0.021<=k / d<=0.392 is satisfied. The application reduces the influence of heat generated at the pole assembly of the battery on the explosion-proof valve, reduces the risk of abnormal opening of the explosion-proof valve, guarantees the structural strength of the pole assembly after the first welding mark and the second welding mark are welded, and avoids the fracture failure of the pole assembly.

This application provides a business process processing system, method, client, and medium. The system includes a management client, multiple business clients, and a target blockchain platform. Among the multiple business clients, some belong to organizations different from the others. The management client generates processing tasks based on business process processing requests, including business flows, the identity identifiers of the business clients to be processed, and their corresponding sub-processing tasks. It then sends these processing tasks to the multiple business clients to be processed and to the target blockchain platform to write them into the target blockchain. The business clients to be processed approve their corresponding sub-processing tasks according to the business flows, and send the approval results to the other business clients to be processed and the target blockchain platform to write them into the target blockchain. This addresses the problem of low efficiency and security in existing technologies where cross-organizational business process processing requires paper document approval.

The invention relates to a recording file transmission method and system of a high-voltage direct-current transmission control protection device, and belongs to the technical field of direct-current transmission. A file server specially used for storing built-in wave recording files of the control protection device is deployed, wave recording file receiving software used for receiving and storing the built-in wave recording files on the control protection device of the whole station is installed in the file server, and a wave recording file transmission service module is designed on the bottom layer of the control protection device. And the encryption module is used for encrypting and transmitting the recording file to the file server. The transmission service specially used for transmitting the built-in wave recording file of the control protection device is developed, and the transmission service composed of the wave recording file receiving software and the wave recording file transmission service module is simplified and easy to deploy; and the security problem that the built-in recording file of the existing domestic and overseas high-voltage direct-current engineering control protection device is transmitted by adopting an FTP protocol is solved.

The application relates to a waste solid propellant incineration destroying device and method, which comprises a sample feeding system, an ignition system, an incineration furnace, a slagging machine, a buffer tank, a secondary high-temperature incineration device, a flue gas purification system and a control system; the sample feeding system is communicated to the inside of the incineration furnace through the top of the incineration furnace, the ignition system and the slagging machine are installed at the bottom of the incineration furnace; one end of the buffer tank is communicated with the incineration furnace, the other end is communicated with the air inlet of the secondary high-temperature incineration device, the air outlet of the secondary high-temperature incineration device is communicated to the flue gas purification system; the control system is electrically connected with the sample feeding system, the ignition system, the incineration furnace, the slagging machine, the buffer tank, the secondary high-temperature incineration device and the flue gas purification system, and the safety and environmental protection problems existing in the open destruction of waste solid propellant are solved.