308results about How to "Avoid spreading" patented technology

The invention relates to the technical field of biological medicines, in particular to a soluble skin-adhering microneedle for delivering an inactivated enterovirus vaccine as well as a preparation method and application of the soluble skin-adhering microneedle. Sodium hyaluronate is adopted as a film forming material to wrap an enterovirus 71 type (EV71)-coxsackie virus A16 (CA16) type bivalent inactivated vaccine antigen, and a needle body layer of the soluble microneedle is formed; the substrate layer is prepared from a pullulan material, so that the microneedle patch with a stable overall structure is formed. The technology provided by the invention is completed in a clean environment, and the vaccine patch which is qualified through sterility detection is obtained. The soluble microneedle disclosed by the invention has good antigen stability under the condition of 2-8 DEG C. In animal experiments, the microneedle is attached to the skin surface of a mouse for skin-adhering immunization, a strong immune response reaction can be induced, good immunogenicity is shown, and a novel, safe and effective vaccine delivery way is provided for prevention and control of the infantile hand-foot-and-mouth disease.

The invention discloses an MAC unit supporting input activation and weight double-end sparsity, and relates to the technical field of neural network accelerator hardware design. Aiming at the technical defects existing in a sparse matrix acceleration scheme, the scheme is adopted, an activation value and non-zero elements of a weight matrix are stored through a special compressed data register, corresponding zero value distribution is recorded through a matched sparse bitmap register, and a joint sparse bitmap marking a double-non-zero effective calculation position is generated through dual-port joint operation; and the control and address generation subunit scans the joint sparse bitmap and outputs an address and an enable signal, the MAC calculation subunit is driven to read non-zero data to complete multiply-accumulate operation, and finally, an operation result is compressed and coded through an output end sparse encoder, so that efficient transmission of interlayer sparse data streams is realized. According to the method, input activation and weight double-end sparsity can be utilized at the same time, end-to-end sparse data flow is supported, zero value calculation can be dynamically skipped, and the energy efficiency ratio and the calculation throughput of neural network reasoning are improved.

The invention relates to the technical field of biological fireproof forests, and discloses a design method for a biological fireproof barrier forest belt, which comprises the following steps of: 1, designing a biological fireproof forest belt based on the canopy density of 0.2-0.5 of a broadleaf mixed forest by taking the existing forest stand type as the broadleaf mixed forest, screening suitable fireproof tree species by integrating site conditions, natural environment and hydrothermal conditions of the biological fireproof forest belt of the broadleaf mixed forest; 2, cleaning and soil preparation are conducted on a biological fireproof forest belt to form a hole belt-shaped area, comprehensive complementary planting is conducted on fireproof tree species, the complementary planting density of a broad-leaf mixed forest is 2520 plants per kilometer as tree planting points, the fireproof tree species are planted in the hole belt-shaped area through the tree planting points, and the fireproof tree species are planted in the hole belt-shaped area; after planting, a compound fertilizer is used for topdressing, so that the fireproof tree seeds absorb fertility to accelerate the growth speed.

The invention discloses a pig farm sewage treatment system and method, and belongs to the technical field of farm sewage treatment, the pig farm sewage treatment system sequentially comprises a water collecting tank, a dosing mixing tank, a solid-liquid separator, an adjusting tank, a HiRAD anaerobic device, a reaction sedimentation tank, a water quality adjusting tank, an SBR biochemical tank, a C-MBR biochemical tank, a disinfection tank and a reuse water tank; by means of the system and the method, sewage discharged by the pig farm through the liquid manure technology can be effectively purified, organic carbon in the sewage can be converted into methane to the maximum extent, the methane becomes a high-quality biomass resource, waste is turned into wealth, emission of toxic gas is avoided, it is guaranteed that the pig farm is clean and sanitary, and the economic benefits of the pig farm are improved. Infection and spreading of diseases are avoided; meanwhile, a large number of nutrient sources, such as nitrogen and phosphorus, in the sewage are converted into organic fertilizer; the purified wastewater is deeply cleaned, so that the recycling standard is met, and the cyclic utilization of resources is realized.

The utility model relates to the technical field of batteries, in particular to a battery pack and an energy storage battery. The battery pack comprises a box body, a battery cell and an exhaust beam, the box body comprises a bearing plate, the battery cell and the exhaust beam are both arranged in the box body and supported on the bearing plate, the exhaust beam forms an exhaust channel, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the exhaust channel, and the air inlet and an anti-explosion valve of the battery cell are oppositely arranged; the air outlet is formed in the side, facing the bearing plate, of the exhaust beam, an external exhaust channel is formed in the bearing plate, the air outlet is communicated with the external exhaust channel through a communicating pipe, and the external exhaust channel forms a discharge port in the side, facing the outside of the battery pack, of the bearing plate. Gas or liquid generated during thermal runaway of the battery cell can be sprayed into the exhaust channel and finally discharged to the outside of the battery pack through the discharge channel, so that the safety of the battery pack is improved.

The utility model relates to fire engineering technical field especially fire engineering is with preventing deformation's heat -proof fire door, including door frame, still including door shell and door lock component, door frame one side fixedly connected with door shaft, door frame one side fixedly connected with door shaft, the material that this device adopts through door shell is steel sheet to improve the strength of door, prevent deformation, the material that fills the layer adopts is magnesium oxide to improve the heat -proof of door, through being provided with first fire -retardant expansion seal and second fire -retardant expansion seal on door frame and door shell, thereby the door gap is sealed, improves the leakproofness, can effectively block the flue gas, through first spring drive movable block in the inside slide of guide block, movable block drive toothed plate removal, toothed plate drive gear rotation, gear drive first rotation axis rotation, first rotation axis drive second connecting rod rotation, second connecting rod drive first connecting rod in the inside rotation of fixed block, thereby the door shell is automatically closed, prevents the fire, flue gas spreads.

The application discloses a kind of gas and air mixing device and mixing method combined with injection, gas flow passage is provided in the mixing device, including gas nozzle and injection structure in sequence according to the direction of gas flow passage, the injection structure is used to carry out partial premixing with gas and be injected air, including in sequence communication suction chamber, mixing section, diffuser section, outlet section, the gas nozzle is communicated with suction chamber, outlet section is provided with swirl device for generating swirl.The application utilizes the momentum of gas jet to inject atmospheric air, carries out partial premixing in advance in injection structure, realizes the sufficient premixing of gas and be injected air before being ejected, mixing distance is short, has the effect of helping to reduce nitrogen oxides emissions generated in industrial combustion process, conforms to the development trend of environmental protection.

The utility model discloses a cable bridge structure which comprises a bridge body, an installation frame is installed on the outer side of the bridge body, lock openings are formed in the front face and the back face of the bridge body, a butt joint rod is integrally connected to one side of the bridge body, a lock catch is fixedly connected to the front face of the butt joint rod, and a bridge cover is installed on the top of the bridge body. A fixing frame is installed on the top of the bridge cover, a fire extinguishing tank is installed on one side of the fixing frame in a penetrating mode, an exhaust pipe is fixedly connected to the output end of the fire extinguishing tank, an electromagnetic valve is fixedly connected to one end of the exhaust pipe, a gas conveying pipe is fixedly connected to one side of the electromagnetic valve, and a power line is electrically connected to the output end of the electromagnetic valve. According to the cable bridge, a worker can conveniently mount and dismount the cable bridge through the lock opening, the butt joint rod and the lock catch, the bridge can automatically extinguish fire at the initial stage of the fire and prevent fire spreading through the fire extinguishing tank, the exhaust pipe, the electromagnetic valve and the fire detector, and therefore the safety of the bridge is improved.

This invention relates to the field of AI weather forecasting technology and discloses a weather forecasting method based on an AI weather forecasting model and a WRF model. The method includes: inputting ERA5 global atmospheric reanalysis gridded data into the AI ​​weather forecasting model to obtain an assimilated background field; constructing an effective multi-source observation vector based on observation data from ground automatic weather stations, radiosonde observation data, geostationary meteorological satellite radiance data, and Doppler radar VAD wind profile data; solving for the optimal atmospheric analysis field; extracting atmospheric state variables from the optimal atmospheric analysis field and writing them into the WRF model's side boundary driving file, driving the WRF model to complete the integration operation, and obtaining a gridded forecast field of meteorological elements. This method enables the WRF boundary condition update frequency to be higher than the traditional 6-hour static scheme, effectively characterizing the rapid evolution of the atmospheric state in the boundary region at the sub-hourly scale, thereby improving the WRF model's forecasting capability for high-impact weather events such as severe convection.

The application discloses a kind of LKJ simulation training platform human-computer interaction equipment, comprising: shell, the side of the shell is equipped with display device and control button;And disinfection device, be equipped on shell, for the surface disinfection of display device and control button.It is provided with disinfection device on shell, by driving member drives pull rope turnover piece, so that pull rope turnover piece pulls and is cleaned piece from horizontal state rotates to vertical state and then moves from the one end of guide pillar to the other end, in the process of movement, cleaning piece disinfects the surface of display device and control button, prevent dust and bacteria etc. from causing damage to display device simultaneously also prevent bacteria from spreading between different training personnel, when cleaning piece moves to the other end of guide pillar, it is automatically rotated from vertical state to horizontal state and resets and moves to the initial position of guide pillar, realize that cleaning piece is automatically stowed, do not affect the use of the human-computer interaction equipment.

The application relates to the technical field of battery packs and specifically provides a battery pack and a power utilization device. The battery pack comprises a box body and a battery pack; the box body comprises a frame and a bottom plate, the bottom plate is arranged at the bottom of the frame, the frame is provided with an exhaust port, the bottom plate is provided with a plurality of grooves at intervals and forms an exhaust passage, the exhaust passage is in communication with the exhaust port; the battery pack is arranged in the box body, and the bottom plate supports the battery pack; the battery pack comprises a plurality of battery cells, the battery cells are provided with explosion-proof valves, the explosion-proof valves are arranged towards the bottom plate, and the explosion-proof valves at least partially project and coincide with the exhaust passage. In the application, the plurality of grooves are arranged at intervals on the bottom plate to form the exhaust passage, the explosion-proof valves on the battery cells are arranged towards the exhaust passage, high-temperature gas and eruption matter sprayed from the explosion-proof valves can be timely discharged from the exhaust passage and smoothly discharged from the battery pack through the exhaust port in the case of thermal runaway, exhaust blockage is prevented, thermal runaway is prevented from further spreading, and the safety of the battery pack is ensured.

The utility model belongs to the technical field of fire-fighting equipment, provide a new energy electric automobile fire-fighting equipment for parking area, set up the body sealing mechanism through position adjusting assembly on the moving mechanism, position adjusting assembly includes, sets up the first operating lever on the moving mechanism, and sets up the second operating lever through the first rotary connecting piece on the first operating lever, the one end of second operating lever is away from the first operating lever, sets up the body sealing mechanism through the second rotary connecting piece, when the fire of vehicle, the fire-fighting equipment at the fire truck position or other position just, moves to the fire vehicle place with the help of moving mechanism, through operating the first operating lever and the second operating lever, the body sealing mechanism is moved to the fire vehicle place, seals at the fire vehicle place, to reach the purpose of fire extinguishing and preventing the spread of fire, the fire-fighting equipment does not need to set up on each parking stall, has reduced the cost and the occupied area to the parking lot.

The utility model belongs to the technical field of row plug, especially, it is a kind of portable outdoor row plug, including plug, connecting wire and plug-in board, and plug-in board includes shell, cavity is formed in shell, USB charging module and Type-C charging module are equipped in cavity, wire slot is equipped between the top and bottom of the side of shell, for accommodating connecting wire, the front side of wire slot is equipped with the hanging hole being connected with cavity, the front side of shell is equipped with one elastic hanging belt, and the elastic hanging belt includes fixed part along the hanging hole and suspending part being arranged outside cavity and extending into cavity;The upper and lower ends of shell are respectively equipped with upper and lower cover plates for shielding cavity;The inside middle position of lower cover plate is fixed with an electromagnet, and the electromagnet is electrically connected with Type-C charging module.The portable outdoor row plug provided by the utility model has the characteristics of convenient carrying and convenient suspension use.

The utility model relates to the field of isolation belts, in particular to a novel fireproof and waterproof heat preservation isolation belt for a refrigeration house, which comprises a fireproof plate and a U-shaped mounting frame. The fireproof plate is sleeved with a U-shaped mounting frame. The fireproof plates are sequentially bonded and assembled with the waterproof plates and the heat preservation plates below the fireproof plates, then the U-shaped mounting frame is matched with the rectangular mounting plate on one side of the U-shaped mounting frame to reinforce the fireproof plates and the like, and then the U-shaped mounting frame drives the fireproof plates and the like to be arranged on expansion joints and floor beams of the refrigeration house. By means of the method, the isolation belt is laid between the heat preservation material and the cold storage structure at the position between the heat preservation material and the cold storage structure, so that a fireproof heat preservation isolation layer is formed, fire spreading can be effectively prevented, the heat preservation material is isolated from articles in the cold storage, and fire is prevented from spreading into the cold storage from the heat preservation layer; meanwhile, an excellent heat preservation effect is achieved, and a cold bridge is prevented from being formed.

The invention relates to the technical field of artificial intelligence, and provides a cross-modal feature alignment method and device, equipment, a storage medium and a program product. The method comprises the following steps: inputting multi-modal interaction data into a feature extraction module of a multi-modal agent to obtain visual features, voice features and text features output by the feature extraction module; inputting the visual features, the voice features and the text features into a feature alignment module of a multi-modal agent to obtain a fusion feature vector output by the feature alignment module; and inputting the fusion feature vector into a semantic conflict detection and correction module of the multi-modal agent to obtain a correction feature output by the semantic conflict detection and correction module. Through the above mode, information loss caused by forced feature alignment can be avoided, the precision and robustness of feature alignment can be improved, the feature alignment effect can be optimized, the consistency and accuracy of aligned features can be ensured, and the interaction accuracy of the multi-modal intelligent agent can be improved.

The utility model relates to the technical field of cable manufacturing, and discloses a double-layer co-extrusion sheath cable which comprises a conductor, a conductor shielding layer, a crosslinked polyethylene insulating layer, an insulation shielding layer, a semi-conductive water-blocking tape, a soft round copper wire, a soft pure copper tape, a non-conductive water-blocking tape and a CPP tape from inside to outside. According to the double-layer co-extrusion sheath cable, the inner sheath layer and the outer sheath layer are arranged, the inner sheath layer is made of the flame-retardant PVC material with the oxygen index larger than or equal to 32%, a carbonization layer can be rapidly formed under the condition of high temperature or open fire, oxygen is effectively isolated, flame-retardant gas is released, and flame is prevented from spreading towards the interior of the cable, and the outer sheath layer is made of the high-hardness MDPE material. Although the flame retardance is general, the flame diffusion speed can be slowed down, and through the synergistic effect with the inner layer PVC, the overall flame retardant grade of the cable reaches the V-0 grade (UL 94 standard), the high-flame-retardant scene requirement is met, and the flame retardant property is further remarkably improved.

The utility model discloses a surveying and mapping support of quick folding and folding, relates to engineering surveying and mapping technical field. Including base, the base top is fixed with surveying and mapping appearance, the base bottom hinged mounting has tripod, the tripod is by two vice branch and a main branch, the tripod surface sliding sleeve joint has the tightening frame, the main branch surface recessed is provided with the toothing, the tightening frame inner wall sliding installation has the pawl, the pawl elasticity is connected in the toothing inner wall, the tightening frame surface fixed mounting has the handle, through folding up the folding of tripod, by the tightening frame sleeve setting in the tripod surface, thereby avoiding the dispersion of tripod moving process, and in the process by the pawl elasticity and be connected in the toothing inner wall make up the tightening frame can stably sleeve setting in the main branch surface, ensure the stable storage of three -legged frame to can hold the handle and raise the tripod horizontally, convenient to carry.

The utility model discloses a household double-scene mute door in the technical field of door sound insulation and sealing structure optimization, which comprises a door frame and a door plate, the door frame is formed by fastening a plurality of main body profiles, a strong magnet mounting groove is arranged between the inner wall and the outer wall of each main body profile, a first strong magnet is arranged in the strong magnet mounting groove and is not exposed, and sound insulation grooves are arranged on the upper, left and right surfaces of the door plate parallel to the door frame. The sound-blocking module is movably installed in the groove and composed of a bottom plate, a second strong magnet and sound-blocking cotton, the second strong magnet is located between the bottom plate and the sound-blocking cotton, and stable supporting is provided by means of the large size of the bottom plate. When the door is closed, the first strong magnet and the second strong magnet attract each other, the sound blocking module, the first strong magnet, the sound blocking cotton and the like are located on the same vertical plane and tightly attached to block sound, the reset springs on the two sides of the door plate reset the sound blocking module to the sound insulation groove only when the door is opened, and the sound insulation performance is greatly improved while normal door opening and closing operation is not affected; indoor and outdoor sound interference is effectively reduced, and a quiet and comfortable environment is created for users.

The invention relates to a photovoltaic system with an anti-hot-spot effect, which comprises photovoltaic panels arranged in rows and a cleaning device perpendicular to the arrangement direction of the photovoltaic panels and parallel to the photovoltaic panels, and the cleaning device moves along the arrangement direction of the photovoltaic panels through a first moving device; the photovoltaic panels are provided with temperature sensors, the temperature sensors are connected with the control switchboard, if the temperature detected by any temperature sensor is higher than a temperature threshold value, the control switchboard controls the first moving device to move towards the photovoltaic panels with the temperature exceeding the standard, and the cleaning device cleans the surfaces of the passing photovoltaic panels in the moving process. According to the photovoltaic system with the hot spot prevention effect, the temperature condition of each photovoltaic panel is monitored in real time, the photovoltaic panel with the temperature exceeding the standard is found in time and automatically cleaned, meanwhile, the switchboard is controlled to send an early warning signal to the switchboard, the abnormal temperature of the photovoltaic panel is controlled in time, the spontaneous combustion time of the photovoltaic panel is delayed, and the self-ignition efficiency of the photovoltaic panel is improved. And most dirt can be cleaned in time, so that the labor cost is reduced.

The utility model relates to a one -piece board connection technical field, and disclose a kind of quick installation's mold protection one -piece board connecting piece, including plate body assembly, concrete component and connecting body assembly, concrete component is installed in the side of plate body assembly, connecting body assembly is respectively sleeved in the inside of plate body assembly and concrete component;It is favorable to prevent fire spread effectively through fireproof layer and outside reinforcing layer in plate body assembly, improve mold protection one -piece board strength and stiffness, avoid the crack of plate body, improve the safety, durability and permeability resistance of building;It is favorable to be directly together with concrete structure and pour in construction process, without additional formwork removal step, to significantly improve construction efficiency, and connecting piece can ensure mold protection one -piece board and the firm connection of the concrete wall body that pours, improve the safety and stability of structure, reduce installation cost and guarantee building safety.

The invention discloses a battery cell connecting bar and a battery module, the battery cell connecting bar comprises a conducting bar and a plurality of connecting sheets, and each connecting sheet comprises a battery cell connecting part, a middle connecting part and a conducting bar connecting part which are connected in sequence; the battery cell connecting part is electrically connected with the battery cell, and the conducting bar connecting part is electrically connected with the conducting bar; the middle connecting part comprises a fusing structure; and the arrangement direction of the connecting sheets is parallel to the extension direction of the conducting bar. According to the technical scheme, in the early stage of thermal runaway of the battery cell, the thermal runaway battery cell can be cut out in time, electrical isolation is achieved, the runaway intensity of the thermal runaway battery cell is reduced, and thermal runaway spreading is avoided.

The utility model provides a new energy automobile is with fire safety house, including the fire safety house for setting in parking stall, its characteristics are: the fire safety house one end's vehicle import and export place sets the gate that can open and close, the top of fire safety house body sets the water tank, and the water tank has the water inlet. The sidewall interval of fire safety house body is the sink, or sets up the separate sink in the inside or the outside of fire safety house body sidewall, and the water outlet of water tank connects the top of sink, and the bottom of sink is linked with the water flow export that sets up in the sidewall bottom of fire safety house, and sets up the drain that can open and close on the bottom surface of fire safety house. The upper portion or the bottom surface in the fire safety house body sets up the flame detector or / and temperature sensor, and the fire safety house body configuration controller, and the flame detector or / and temperature sensor are connected with controller. Can discover new energy automobile fire in time, and rapidly give new energy automobile cooling, and isolate with surrounding environment, prevent fire spreading, reduce property loss.

This invention discloses a method for eliminating moss growth on macadamia nut leaves, relating to the field of agricultural planting technology. The specific method involves spraying a moss-removing agent onto the macadamia nut leaves during the moss occurrence period, applying moss inhibitor I to the main stem, and applying moss inhibitor II to the soil surface around the main stem. The moss-removing agent comprises the following raw materials in parts by weight: 40-50 parts of allicin, 15-24 parts of urea, 5-18 parts of calcium propionate, 20-27 parts of calcium sulfate, 10-17 parts of calcium chloride, 20-35 parts of vegetable oil, 1-10 parts of titanium dioxide, 1-5 parts of glutathione, and 1-3 parts of dispersant. This invention solves the problems of slow effectiveness, short duration of action, and low plant safety in current macadamia nut leaf moss control methods, achieving highly efficient control.

The invention discloses a new energy vehicle fire extinguishing device which comprises a water injection embankment and a fire blanket, the water injection embankment is of an annular hollow structure, the fire blanket has the ductility and anti-impact functions, and a water storage space is formed in the fire blanket. The device can effectively extinguish the fire of the new energy vehicle, and meanwhile the vehicle structure is protected against damage.

This invention discloses a phase error tracking method and system based on dual weighting in OFDM systems, belonging to the field of wireless communication system technology. This application introduces a dual weighting mechanism to simultaneously evaluate and utilize static reference quality weights and dynamic measurement quality weights, thereby obtaining a more accurate estimate of channel phase error and significantly improving the performance of the communication system in harsh channel environments. Compared with the prior art, this application not only considers the quality of real-time measurement, but also incorporates the "historical" quality of the reference information used as the measurement benchmark, making the weight evaluation more comprehensive and accurate. It can effectively suppress the systematic bias introduced by the weights and prevent the propagation and contamination of errors throughout the entire data packet processing process. Moreover, in complex multipath channels, the dual weighting mechanism of this application can accurately identify and "ignore" continuously unreliable information sources, greatly enhancing the survivability of the system in harsh environments.

The application provides a road wrecker, which comprises a vehicle body, a fire extinguishing cover arranged on the vehicle body, a bottom end of the fire extinguishing cover being open and capable of being buckled on a road surface to form a closed space for accommodating a failure vehicle in the fire extinguishing cover, the closed space comprising a parking chamber and a cleaning chamber distributed upward and downward, a heat exchange assembly arranged on the fire extinguishing cover, a lifting mechanism for lifting the failure vehicle into the parking chamber, an isolation mechanism for isolating the parking chamber from the cleaning chamber, a cleaning mechanism for cleaning the ground buckled by the fire extinguishing cover, and a water storage assembly arranged on the vehicle body. The application can effectively reduce the risk of fire spreading, effectively prevent the flame and heat from spreading to surrounding vehicles or combustible materials, and significantly reduce the direct emission of toxic gas and smoke generated by battery combustion into the atmosphere due to the closed property of the fire extinguishing cover. In addition, the fire extinguishing wastewater containing harmful substances generated in the fire extinguishing process is limited in the cleaning chamber inside the fire extinguishing cover.

The invention relates to the technical field of intelligent fire fighting, and discloses an unattended indoor fire-fighting robot which is characterized in that the discharge end of one side of a pressurizing box is connected with a fire extinguishing nozzle, the other side of the top of a mounting plate is provided with a monitoring box, and the bottom of the monitoring box is provided with a monitoring instrument for fire monitoring; according to the fire extinguishing device, the limiting winding box is driven by the threaded seat to rotate, winding and unwinding of the traction cable are achieved, the rotating pipe automatically deflects to the horizontal position under the dead weight by unwinding the traction cable, fire extinguishing dry powder is conveyed into the rotating pipe, the fire extinguishing dry powder is evenly distributed to a fire extinguishing area through the distribution holes, and the fire extinguishing effect is improved. The fire extinguishing dry powder is sprayed to the fire extinguishing position in a circumferential distribution mode by combining rotation of the rotating pipe, so that the fire extinguishing dry powder can surround the fire position in a cylinder shape, the use effect of the fire extinguishing dry powder is improved, the actual fire extinguishing isolation area is expanded, the fire area is rapidly isolated, fire spreading is prevented, and loss is reduced.

The invention relates to the technical field of video compression, in particular to a motion compensation time domain filtering weight constraint method and system based on data driving, and the method comprises the following steps: collecting video samples covering a plurality of scenes, and constructing a video sample set; adjusting coding task parameters of motion compensation time domain filtering so as to reduce operation time; according to the video sample set, obtaining a block weight factor through a contrast filtering test; and constraining the block weight of the motion compensation time domain filtering by using the block weight factor. According to the method, the filtering performance of the MCTF can be improved on the premise that the calculation complexity is not increased, and low cost and high benefits are achieved.

The utility model relates to the technical field of fire prevention devices, in particular to a cabin fire prevention and heat insulation system which comprises a fire prevention grating, a fire prevention penetrating piece, a fire prevention and heat insulation plate and a plurality of connecting assemblies, the fire prevention grating covers a first opening in the fire prevention and heat insulation plate and can rapidly expand and close the opening in case of fire, fire spreading is blocked, and the fire prevention and heat insulation effect is good. The fireproof penetration piece is arranged in the second opening of the fireproof heat insulation plate in a penetrating mode and used for arranging a cable and a pipeline in a penetrating mode and protecting the cable and the pipeline against fire damage, the fireproof protection layer comprises a first protection layer, an isolation layer and a first heat insulation layer, and the fireproof heat insulation layer comprises a core layer, a second heat insulation layer and a second protection layer; through reasonable material selection and interlayer matching, heat management is optimized, the fireproof performance is improved, a fireproof heat insulation gasket in the connecting assembly blocks heat transfer on the connecting assembly, the fireproof heat insulation plate is fixed and supported through an aluminum alloy plate, angle iron and other assemblies, and it is ensured that the fireproof heat insulation system is stable in structure and convenient to install and maintain.

The utility model relates to a battery cluster and an energy storage system, and relates to the technical field of energy storage. The liquid inlet is formed in the side face of the shell of the battery pack in the battery cluster, and the first fire-fighting structure is arranged in the liquid inlet to control the conduction condition of the passage between the first liquid inlet pipe and the liquid inlet, so that the sealing performance of the battery pack during normal work can be ensured, and external impurities are prevented from entering the battery pack. When the temperature of the battery pack is abnormal or thermal runaway reaches the preset temperature, the first fire-fighting structure conducts the passage between the first liquid inlet pipe and the liquid inlet, so that the liquid cooling working medium in the liquid inlet header pipe quickly and directly enters the battery pack, and the battery pack is accurately and effectively cooled and extinguished. The plurality of battery packs are connected with the liquid inlet header pipe through respective first liquid inlet pipes, and the overall structure of the battery cluster does not need to be damaged. When the temperature of a certain battery pack is abnormal or thermal runaway occurs, the liquid cooling working medium can enter the battery pack through the corresponding first liquid inlet pipe and the liquid inlet, thermal runaway spreading is avoided, and the reliability and safety of the battery cluster are improved.