76results about How to "Avoid transmission" patented technology

The invention discloses a high-power-supply-rejection-ratio band-gap reference circuit with base current correction and high-order temperature compensation, which comprises a pre-voltage-stabilizing circuit module used for generating and outputting internal power supply voltage according to external power supply voltage, the internal power supply voltage is supplied to the band-gap reference core circuit module so as to isolate transmission of power supply noise to reference output; the high-order temperature compensation circuit module is used for generating nonlinear compensation current according to the bias voltage; the band-gap reference core circuit module is used for generating current in direct proportion to absolute temperature, reference voltage and reference output voltage based on internal power supply voltage and feeding back the reference voltage to the pre-voltage-stabilizing circuit module to serve as bias reference; and the base current correction circuit module is used for sampling the base current of the bipolar transistor in the band-gap reference core circuit module. On the premise that the circuit structure and the power consumption are reasonable, the temperature drift of the reference voltage is reduced, and the power supply suppression capability is improved.

This utility model relates to the field of fire-resistant infill door technology, specifically: a reinforced fireproof infill door, comprising a door body, the door body being composed of an outer protective layer, a first fireproof and heat-insulating layer, a reinforcing support layer, a second fireproof and heat-insulating layer, a buffer and shock-absorbing layer, and an inner protective layer. The outer protective layer is a steel plate with a fireproof coating; the first fireproof and heat-insulating layer is an aerogel composite fireproof felt; the reinforcing support layer is a honeycomb stainless steel skeleton structure; the second fireproof and heat-insulating layer is an expanded perlite fireproof board; the buffer and shock-absorbing layer is melamine foam; and the inner protective layer is a fireproof decorative board. In this utility model, through the synergistic effect of the six layers, the performance of the door body is comprehensively improved from multiple aspects such as fireproofing, heat insulation, structural support, and buffer and shock absorption. It can effectively block the spread of flames and heat for a long time during a fire, ensuring the structural integrity of the door body and buying valuable time for safe evacuation and fire rescue.

The application relates to a circuit structure for realizing circuit pin multiplexing, which comprises an MCU module, a temperature sensing circuit and a functional module circuit, the output end of the temperature sensing circuit is connected with an enable signal port of the MCU module, the output voltage of the temperature sensing circuit is always higher than the threshold voltage of the enable signal, and the MCU module is connected with the functional module circuit. The circuit structure for realizing circuit pin multiplexing adopts the application, aiming at the problem of circuit pin multiplexing, a temperature sensing output curve is designed, analog signal output and digital signal transmission are influenced mutually, the problem of single pin multifunction multiplexing is solved, analog signal output and input signal can share a pin, the problem of pin quantity limitation is solved, signal transmission is effectively solved, and the performance-cost ratio of the circuit is improved.

The present application belongs to the technical field of carbon fiber composite materials, and particularly relates to a carbon fiber composite material with high-frequency damping performance and a preparation method thereof. Through multi-component synergistic modification of an epoxy resin matrix, a nitrile rubber composition and a boron nitride composition, combined with carbon fiber surface treatment and a segmented curing process, a multi-scale damping energy dissipation network is constructed. The material exhibits excellent damping performance in a high-frequency vibration environment, while also having high mechanical strength and interfacial bonding force, which can significantly reduce the damage risk caused by vibration transmission of sports equipment, and is suitable for high-end sports equipment field, promoting the industrial application of carbon fiber composite materials in high-frequency damping scenarios.

The utility model discloses a miniature air pump with noise reduction structure, including motor and motor output end region installation has the noise reduction ventilation structure, the noise reduction ventilation structure includes base, and motor is fixed mounting close to output end shell and base, and motor output end rotation penetrates the base center position, and the penetration end passes through the shaft coupling and connects the swing bar, and the base top installs the fixed seat, and the fixed seat top is equipped with the umbrella cover through the sealing washer, and the fixed seat is provided with four cover holes of rectangular setting, and the base is provided with eccentric wheel, and the fixed seat is located cover hole fixed and is fixed and is communicated with tower shape ventilation cover, and the swing bar top end is rotatably connected with eccentric wheel center position, and the eccentric wheel is fixedly covered and is installed with tower shape ventilation cover bottom, and the noise reduction effect aspect shows outstanding. The unique structure of tower shape ventilation cover increases the gas flow path and the contact area, effectively promotes the smooth airflow in and out, significantly reduces the turbulence and vortex generation, reduces the airflow noise from the source.

The utility model discloses a passive ultra-low energy consumption decoration system, and particularly relates to the technical field of decoration, the system comprises a wall body assembly and a window assembly installed in the wall body assembly, the wall body assembly comprises an inner acanthus, a sandwich insulation board and an outer acanthus, a plurality of uniformly distributed tie pieces are arranged between the inner acanthus and the outer acanthus, and the inner acanthus and the outer acanthus are connected with the sandwich insulation board. The outer wall of each tie piece is fixedly sleeved with two heat insulation ring plates, the window assembly comprises a window frame, a glass frame is hinged to the interior of the window frame, and three pieces of film glass are fixedly arranged in the glass frame. The wall body assembly is composed of the inner leaf plate, the sandwich heat preservation plate, the outer leaf plate and the pulling pieces, energy consumption of indoor equipment can be effectively reduced, meanwhile, the heat insulation ring plate can prevent cold bridges from being formed, the heat preservation performance of the wall body assembly is improved, and in addition, the heat preservation effect is good. The multilayer film glass and the argon filling layer can further reduce indoor and outdoor heat exchange and energy consumption of indoor equipment, and can effectively block sound transmission.

The application discloses an event reporting method, a setting device, a target device and a system based on MCTP, and the method comprises the following steps: the setting device sends a setting event message with the MCTP message type code being 0x77 to the target device, the message at least containing an event label, a data length and an event condition described by a formatted string key-value pair; the target device receives and stores the event condition; when the event condition is met, the target device actively sends a reporting event message with the code being 0x77 to the setting device. By using the event notification mechanism, the setting device does not need to poll frequently, the monitoring condition is configured on the target device by one time setting, the target device actively reports when the condition is met, repeated information transmission is avoided, the MCTP bus communication flow is greatly reduced, and the system load is reduced; meanwhile, the key information and the change information can be sent in real time, the information updating delay problem caused by reducing the polling frequency is solved, and the balance between the system load and the real-time response is realized.

The invention discloses corrosion aluminum powder and a preparation method and application thereof, and the preparation method comprises the following steps: S1, carrying out plasma passivation treatment on aluminum powder to obtain surface modified aluminum powder with an amorphous aluminum oxide layer; and S2, carrying out surface micro-corrosion on the surface modified aluminum powder, and then drying and grading to obtain the corroded aluminum powder. The method comprises the following steps: forming an amorphous aluminum oxide layer on the surface of aluminum powder; and then micro-corrosion is carried out on the amorphous aluminum oxide layer, a rich pore structure is formed on the amorphous aluminum oxide layer, and after corrosion is completed, the amorphous aluminum oxide layer can be automatically formed on the corrosion surface again. The surface of the obtained corrosion aluminum powder is completely wrapped by the amorphous aluminum oxide layer, so that the leakage current can be greatly reduced, and the electrochemical stability of the anode foil is greatly improved; the porous carbon has certain roughness and rich pore structures, and the specific surface area and the specific volume are greatly increased; the micro-corrosion has no negative influence on the mechanical strength of the aluminum powder, and ensures that no micro-crack appears on the surface of the anode foil.

The invention provides a battery power consumption lightweight analysis device, a lightweight log generation device, a battery power consumption lightweight analysis method, a lightweight log generation method, electronic equipment and a computer program product. The battery power consumption lightweight analysis device comprises: a system configuration analysis module for analyzing a system configuration file of a target electronic device to obtain system attribute feature data; the battery statistical data acquisition and analysis module acquires a battery statistical data packet and analyzes the battery statistical data packet to determine battery characteristic data; the lightweight log generation module carries out packaging processing on the system attribute characteristic data and the battery characteristic data to generate a lightweight log file; the log data reading and analyzing module reads the lightweight log file and analyzes the lightweight log file to extract attribute feature data and battery feature data; and the battery power consumption analysis module is used for analyzing the battery power consumption of the target electronic equipment according to the attribute characteristic data and the battery characteristic data to generate a power consumption analysis result.

The invention relates to a multi-agent collaborative sensing method based on spatio-temporal joint selection. The method comprises the following steps: acquiring original sensing data of a plurality of agents; constructing a spatial sparse region selection mask; generating a joint sparse feature map; sparse features of the intelligent agent are obtained; obtaining a fused feature map; and carrying out intermediate-stage three-dimensional target detection, and carrying out later-stage fusion on the intermediate-stage three-dimensional target detection and an independent detection result of the collaborative agent to obtain a final collaborative perception detection result. According to the method, the space sparse region is constructed to select the mask, so that the relatively high sensing performance can still be kept in a scene with extremely limited bandwidth; the communication burden is reduced, the transmission content is more focused on a dynamic target which really contributes to collaborative perception, and the information utilization rate is improved; the detection precision is improved by using multi-view complementary information, the missed detection and false detection risks caused by time delay or shielding in intermediate fusion are reduced through a later compensation mechanism, and finally a more accurate and more complete 3D target detection result is obtained.

The invention discloses a real-time auditing method for privacy protection of data cross-border flow. The method comprises the following steps: initializing an auditing mechanism, and generating public and private key pairs of domestic enterprises and overseas enterprises; calculating an exit data encryption key and an entry data encryption key; the domestic enterprise encrypts the outbound data through the outbound data encryption key to generate an outbound data ciphertext, and the review institution performs secret state review on the outbound data ciphertext; the overseas enterprise cooperates with the review institution to decrypt the review result, and obtains a partial decryption result of the review institution on the outbound data ciphertext when the review result is passed, and the partial decryption result and partial decryption of the overseas enterprise on the outbound data ciphertext are aggregated to obtain outbound data; the overseas enterprise encrypts the entry data through the entry data encryption key to generate an entry data ciphertext, and the review institution performs secret state review on the entry ciphertext; and the domestic enterprise cooperates with the review institution to decrypt the review result, and obtains a partial decryption result of the review institution on the entry data ciphertext when the review result is passed, and the partial decryption result and partial decryption of the domestic enterprise on the entry data ciphertext are aggregated to obtain entry data.

The invention discloses a network camera data storage system and method based on wireless transmission, and belongs to the technical field of wireless transmission, and the system comprises a wireless link sensing module which is used for monitoring original parameters of each wireless transmission path in real time, calculating the original parameters, generating a real-time quality score of each wireless transmission path, and sending the real-time quality score to a server; outputting a link quality spectrum; the data processing module is used for acquiring original video data acquired by the network camera and outputting coded video data; the energy consumption decision module is used for generating an equipment working mode instruction; and the path execution module is used for selecting a main transmission path and an auxiliary transmission path from the link quality spectrum and transmitting the coded video data to a preset rear-end storage system through the selected path, and the method comprises the steps A1-A5. The main transmission path and the auxiliary transmission path are intelligently selected through the link quality spectrum, the long-term working stability of the system in a complex wireless environment is improved, and the service life of the system in the complex wireless environment is prolonged.

The application provides a distributed offshore wind turbine control method based on a consistency algorithm, comprising: taking the distributed offshore wind turbine as a distributed intelligent agent, and obtaining total active power shortage of a plurality of intelligent agents; establishing an initial first adjacency matrix according to a communication relationship between adjacent intelligent agents, and adjusting the first adjacency matrix to obtain a second adjacency matrix; modifying an initial first Laplacian matrix according to the second adjacency matrix to obtain a second Laplacian matrix; establishing a target function taking maximization of a wind energy utilization coefficient of each distributed offshore wind turbine as an objective, and obtaining an output power increment allocated to each distributed offshore wind turbine according to the second Laplacian matrix, so that the distributed offshore wind turbine outputs corresponding output power; and the application can improve power quality and improve power control accuracy of the distributed offshore wind turbine.

The application provides a data interaction method, device and equipment and a storage medium, the method comprising: obtaining to-be-transmitted data; storing the to-be-transmitted data in a data folder corresponding to a data type according to the data type of the to-be-transmitted data; packaging the data folder to obtain a data package; storing the data package in a CD; and transmitting the data package into a data receiving end by the CD, so that the data receiving end analyzes the data package, and stores to-be-transmitted data obtained after analysis in a preset data set. The application can solve the technical problem of how to transmit data in a physically isolated or poor network quality environment while ensuring that the data is not garbled, repeated or lost, thereby improving the data transmission reliability in a harsh environment.

The application relates to a fluorinated two-dimensional inorganic nanofiller reinforced PEO-based solid-state polymer electrolyte and a preparation method and application thereof, and comprises the following steps: S1, obtaining fluorinated two-dimensional inorganic nanofillers by treating two-dimensional inorganic materials with a mixed gas of fluorine and nitrogen; S2, dissolving polyethylene oxide and a lithium salt in a polar solvent, then adding the fluorinated two-dimensional inorganic nanofillers obtained in the step S1, mixing, and obtaining a uniform mixed polymer solution; and S3, pouring the mixed polymer solution obtained in the step S2 on a polytetrafluoroethylene mold, vacuum drying, and obtaining the PEO-based solid-state polymer electrolyte. Compared with the prior art, the preparation process is simple and easy to operate, the ionic conductivity of the polymer electrolyte based on the fluorinated two-dimensional inorganic nanofillers can be improved, the electrochemical stability window can be widened, and the interface stability between the electrolyte and a lithium metal electrode can be improved.

The utility model relates to the technical field of doors and windows, in particular to a fireproof aluminum alloy door and window, which is characterized in that two ends of a frame are of inclined plane structures and are spliced with each other, grooves are arranged at two ends of the frame, L-shaped reinforcing plates are arranged in the grooves, a mounting groove is arranged on the inner side of the frame, a fireproof sealing strip is arranged in the mounting groove, and the fireproof sealing strip is arranged in the mounting groove. A plurality of cavities are formed in the frame, the cavities are filled with heat insulation blocks, the cavities are formed in the frame and filled with the heat insulation blocks, fireproof sealing rubber strips and intumescent fireproof coatings are matched, and flame and heat spreading is effectively blocked from multiple aspects. Flame can be prevented from penetrating doors and windows for a long time, smoke entering a room is reduced, more escape time is won for indoor personnel, and threats of fire to life and property safety are reduced. For example, in a high-rise building, the door and window with the good fireproof performance can effectively prevent fire from spreading among floors, and the safety of personnel of the whole building is guaranteed.

This invention discloses a torsional-lateral coupling vibration control device for a gear system based on electro-magnetic drive, comprising a base, a stator fixed to the base, a gear body connected to the shaft body, and a mover fixed to the gear shaft body. The mover is located in the middle of the stator, and a magnetorheological fluid is injected into and sealed in the cavity between the stator and the mover. Two sets of torsional excitation coils wound along the circumferential direction of the shaft are symmetrically arranged in the stator about the mover. The tangential torque of the magnetorheological fluid is changed by adjusting the excitation current. A torsional vibration isolation ring is provided in the inner diameter direction of the torsional excitation coil windings. Multiple pairs of poles are provided in the stator, and a uniform air gap is provided between the poles and the mover. A transverse vibration excitation coil is wound on each pole, and each set of transverse vibration excitation coils forms an electromagnet. The transverse constraint of the electromagnet on the mover is changed by adjusting the excitation current. A transverse vibration isolation ring is provided between the mover and the stator wall. This invention can reduce vibration and noise.

A combined drive / brake unit (100) integrated into the rim (111) of a wheel (112) includes an axial flux motor (118) and an eddy current brake (120), wherein a common rotor (106) is provided for the axial flux motor (118) and the eddy current brake (120).

The utility model discloses a campus interactive monitoring equipment of digital twin technology, including roof, camera and microphone, the lower surface rear position of roof is provided with the connecting block, the upper surface of camera is provided with two rotatory blocks symmetrically, the connecting block is located between two rotatory blocks, the connecting block is connected with rotatory block through screw rod rotation, the camera is located below the roof, the camera lens is inclined downward, the lower surface front position of roof is provided with loudspeaker. In the utility model, after spring switch loosens, sound can not be transmitted to the rear monitoring center through the voice hole, so that the normal teaching sound of corridor can be prevented from transmitting to the rear monitoring center, under the premise that the camera normally monitors, through loudspeaker and microphone, the warning reminding sound of monitoring center can be transmitted to the corridor, and the student's help-seeking sound is transmitted to the rear monitoring center, and the interactivity is better.

This utility model discloses a collision detection elastic joint structure for collaborative robots, relating to the field of collaborative robot technology. It includes a drive joint head and a driven joint head. A shielding plate and an inner limiting plate are fixedly connected to the outer surface of the drive joint head, with the inner limiting plate located near the driven joint head. A guide frame is fixedly connected to the outer surface of the driven joint head. Through the arrangement of a first pneumatic cylinder and a movable plate, during collision detection, the first pneumatic cylinder rapidly retracts, causing movement between the inner limiting plate and the movable plate. When fully retracted, the driven joint head and the drive joint head are completely disconnected. Simultaneously, the cooperation between the movable plate and the inner limiting plate restricts the position of the driven joint head while disengaging, preventing it from falling and injuring workers, thus ensuring safety. Furthermore, this design is simple, has low maintenance costs, and will not cause damage to the internal structure of the collaborative robot.

The invention discloses a high-stability SPC aluminum-wood honeycomb composite board and a preparation method thereof.The board sequentially comprises a first SPC stone crystal layer, a first eucalyptus veneer layer, an aluminum honeycomb core layer, a second eucalyptus veneer layer and a second SPC stone crystal layer from top to bottom, all the layers are compounded into a whole through double-component AB formaldehyde-free glue in a cold pressing mode, and the thickness and technological parameters of all the layers have the optimal range; the SPC stone crystal layer can be replaced by an aluminum veneer. The preparation method comprises six steps of eucalyptus veneer pretreatment, SPC stone crystal layer treatment and the like. The composite board is stable in structure, high in nail-holding power, waterproof, environment-friendly, excellent in fire prevention and sound insulation, easy to prepare, capable of achieving mass production and suitable for being used in multi-scene decoration and structures.

This invention discloses an aqueous zinc-ion battery electrolyte containing aminopyrine as an additive. The electrolyte comprises a water-soluble zinc salt, deionized water, and an additive, aminopyrine, at a concentration of 1-20 mmol / L. The aminopyrine of this invention reacts with H3O through its sulfonic acid group. + The formation of a strong hydrogen bond network significantly suppresses proton transport, which synergistically achieves triple suppression of hydrogen evolution reaction, corrosion and dendrite growth, ultimately guiding uniform zinc deposition and improving battery cycle stability.

The invention provides an active sampling and constrained reinforcement learning edge collaboration method, and relates to the field of data processing. Modeling and sparse coding are carried out through sampling and event data collected by edge computing nodes, compressed coding data are generated, and transmission is optimized through a self-adaptive data flow scheduling algorithm. And verifying the authenticity of the data by utilizing a generative adversarial network, and optimizing an equipment scheduling scheme by adopting reinforcement learning according to a verification result. And summarizing the local models of the edge nodes through federal learning to generate a global model, and protecting data privacy by applying a differential privacy technology. And finally, based on the privacy protection model, in combination with meta-learning and online convex optimization technologies, executing an equipment scheduling scheme, generating an edge collaboration strategy, and optimizing carbon emission control and energy utilization efficiency of the green park. By implementing the technical scheme, the equipment can cooperate with each other through an intelligent technology, and the operation strategy is dynamically adjusted, so that the overall efficiency of the park system is improved.

The invention belongs to the technical field of marine concrete, and particularly relates to sulfate-resistant corrosion-resistant concrete as well as a preparation method and application thereof. The sulfate-resistant corrosion-resistant concrete is prepared from the following raw materials in parts by mass: 200 to 400 parts of cement, 30 to 60 parts of fly ash, 30 to 60 parts of slag powder, 800 to 1200 parts of gravel, 30 to 60 parts of an expanding agent, 500 to 900 parts of sand, 5 to 15 parts of a water reducing agent, 10 to 30 parts of an erosion inhibitor and 100 to 200 parts of water. The erosion inhibitor comprises nano silicon dioxide, silane modified mica powder and modified expanded perlite; the modified expanded perlite is formed by loading a chelating agent on expanded perlite and then coating the expanded perlite with a water-absorbing swelling material. The sulfate-resistant corrosion-resistant concrete provided by the invention has excellent sulfate corrosion resistance in a low-humidity environment and under a semi-soaking condition.

The utility model discloses a flame-retardant high-strength PP board, which comprises a first board body, a flame-retardant component is arranged on the inner side of the first board body, the flame-retardant component comprises a bread board, a honeycomb board, a spacing board, a corrugated board and a second board body, the bread board is arranged on the inner side of the first board body, the honeycomb board is arranged on the top of the bread board, and the spacing board is arranged on the top of the second board body. The partition plate is arranged at the top of the honeycomb plate, the corrugated plate is arranged at the top of the partition plate, the second plate body is detachably arranged at the top of the first plate body, a disassembling assembly is arranged between the first plate body and the second plate body, and the disassembling assembly comprises a fixing rod, a mounting hole and a fixing sleeve. The fixing rods are uniformly and fixedly mounted on the first plate body, the mounting holes are uniformly formed in the second plate body, the fixing rods are matched with the mounting holes, and the fixing sleeves are detachably arranged on the fixing rods so as to solve the problem that in the using process of an existing common PP plate mentioned in the background technology, the PP plate is not prone to falling off in the using process. The flame-retardant and high-strength functions are not realized.

The utility model belongs to photovoltaic power generation technical field.Proposed a kind of composite spiral pile foundation with anti-frost pullout performance, glass fiber composite spiral pile foundation and photovoltaic system, comprising: conical glass fiber pipe and spiral anchor head, the lower end of conical glass fiber pipe is detachably connected with the upper end of spiral anchor head, the cross section of conical glass fiber pipe is circular, and the cross section of conical glass fiber pipe gradually increases from top to bottom;The utility model adopts the combination of conical glass fiber pipe and spiral anchor head, weakens the freezing strength between pile body and frozen soil when soil body freezes, improves the anti-frost pullout performance of spiral pile foundation.

A battery module is disclosed. According to one embodiment of the present invention, the battery module may include: a housing providing an internal space and having a top plate; a battery cell located within the housing; a first cover located inside the housing, coupled to a lower surface of the top plate, and having a first separation line; and a second cover located inside the housing, coupled to a lower surface of the first cover, and having a second separation line.

The application relates to an efficient and privacy-considered large model end-cloud collaborative inference method and system, which comprises the following steps: obtaining input and configuring KV cache control parameters through an end side; performing embedding calculation to generate a feature tensor and uploading the feature tensor to a cloud side; performing decoding layer inference on the cloud side according to authorization to call the KV cache and returning a hidden state; in a current generation step, performing speculative decoding prediction on subsequent tokens based on the hidden state on the end side, and calculating an end-side local inference result corresponding to a low-dimensional feature according to a dimension splitting rule; calculating a cloud-side local inference result corresponding to a high-dimensional feature on the cloud side, and returning the cloud-side local inference result after language self-adaptive cutting and encryption; fusing the two-end local inference results to obtain a complete distribution, sampling to generate an incremental token, uploading the incremental token to the cloud side for verification, and updating the KV cache.

This utility model discloses a noise-reducing screw sealing cover for a screw compressor, including a cover body composed of double-layer sound insulation panels. The cover body has several protective doors, each with a sealing strip along its edge. Sound insulation cotton is provided on the inner surface of the protective doors and between the two layers of sound insulation panels. The cover body is equipped with a floating base, which includes an outer frame and an inner support plate. The edge of the inner support plate is connected to the outer frame via several sets of elastic connectors. The four corners of the outer frame are connected and fixed to anchoring seats via traction ropes, keeping the floating base suspended. This utility model, by using a sealing cover composed of double-layer sound insulation panels and sound insulation cotton, effectively absorbs and isolates the airborne noise generated during screw compressor operation. The suspended floating base flexibly suspends the inner support plate carrying the screw compressor on the outer frame via elastic connectors, cutting off the path of vibration propagation along the ground, thereby suppressing the generation and transmission of structural noise.