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Quick response type gas regulating valve
ActiveCN224188091UEnsure smoothnessensure timelinessEqualizing valvesSafety valvesThermodynamicsMechanics
The utility model relates to the technical field of regulating valves, in particular to a quick response type gas regulating valve which comprises a regulating box, one side of the regulating box is communicated with a gas inlet pipe, the other side of the regulating box is communicated with a gas outlet pipe, the top of the regulating box is communicated with a connecting cylinder, and the top of the connecting cylinder is communicated with a gas collecting cylinder. A pressure relief assembly used for conducting pressure relief on coal gas in the adjusting box is arranged in the connecting cylinder, the pressure relief assembly comprises an air floating plate and a positioning plate, the air floating plate is connected into the connecting cylinder in a sliding mode, the positioning plate is installed in the bottom of the gas collecting cylinder, and the positioning plate is located on the top of the air floating plate. The gas pressure relief device and the gas pressure relief device are matched with each other, rapid pressure relief and real-time alarm feedback are achieved in the pressure relief process, smoothness and timeliness of gas pressure relief are guaranteed, meanwhile, it is guaranteed that an operator can get an immediate warning when the pressure is abnormal, and equipment failures or other safety problems are prevented.
Owner:QIDONG TENGDA VALVE
Side slope biomineralization protection system and method based on double-response type signal capsule
PendingCN121992800Adelay agingEnsure responsivenessMicroorganism based processesExcavationsVegetationSoil science
The invention discloses a side slope biomineralization protection system and method based on a double-response type signal capsule, and the method comprises the steps: preparing the double-response type signal capsule, a germination capsule and a reaction capsule respectively, a wall material of the double-response type signal capsule is obtained by mixing poly (N-isopropylacrylamide) and xanthan gum according to a preset proportion; mixing the double-response signal capsule, the germination capsule and the reaction capsule with graded fine sand and chopped basalt fiber to obtain a capsule-aggregate mixture; the capsule-aggregate mixture is laid on the surface of the slope, planting soil is covered, vegetation is planted, and when the preset temperature-water content condition is met, slope time sequence repairing is triggered. According to the scheme, the temperature and the moisture can be responded at the same time, and the complex climatic environment can be accurately adapted.
Owner:ZHENGZHOU UNIV
Battery components and batteries
ActiveCN224288498Uavoid cloggingtimely releaseSecondary cells manufactureCell component detailsElectrical batteryStructural engineering
This utility model discloses a battery assembly, including a housing structure, a cover plate, and a bracket. The housing structure is used to accommodate battery cells. The cover plate is installed on the open side of the housing structure and has at least one explosion-proof valve. The bracket is disposed between the battery cells and the cover plate, and the bracket has at least one support structure. The projection of the support structure toward the cover plate at least partially overlaps with the position of the explosion-proof valve. The melting point of the support structure is higher than the temperature at which the battery experiences thermal runaway. This utility model can prevent the explosion-proof valve from clogging when the battery experiences thermal runaway, thus improving battery safety. This utility model also discloses a battery.
Owner:MICROVAST POWER SYST CO LTD
Explosion venting safety valve on micro-positive pressure hot blast stove
ActiveCN224229344Uavoid damagetimely releaseOperating means/releasing devices for valvesEqualizing valvesHot air ovenReciprocating motion
The utility model provides an explosion venting safety valve on a micro-positive pressure hot blast stove. The explosion venting safety valve on the micro-positive pressure hot blast stove comprises a device main body, the device main body comprises a mistaken starting prevention module, an exhaust module and a pressure relief module, the exhaust module is installed at the top of the device main body, and the pressure relief module comprises a driving part fixedly installed on the inner wall of the device main body; a reciprocating assembly capable of conducting reciprocating motion is installed at the output end of the driving part, a guide block capable of conducting guiding is arranged at the output end of the reciprocating assembly, a guide sliding groove for guiding the guide block is formed in the device body, and a transverse plate used for relieving pressure is installed on the device body. A sealing block used for sealing is installed on the baffle, a fixing plate is installed on the device body, and a bearing is arranged on the fixing plate. The explosion venting safety valve on the micro-positive pressure hot blast stove has the effect of prolonging the service life of the device.
Owner:HUBEI XINYE THERMAL ENERGY ENG CO LTD
Environment-friendly anticorrosive paint and preparation method thereof
InactiveCN121950146AImprove anti-corrosion performanceimprove performanceAnti-corrosive paintsPolyester coatingsBoron nitrideBarrier effect
The invention belongs to the technical field of corrosion prevention, and particularly relates to environment-friendly anticorrosive paint and a preparation method thereof. According to the environment-friendly anticorrosive paint provided by the invention, the corrosion inhibitor loaded by Ce-MOF can play a good barrier effect in the paint, the corrosion inhibitor can be released in time when later corrosion occurs, an active anticorrosive function is achieved, and the corrosion inhibitor can be well dispersed into the paint through L-cysteine modified boron nitride, so that the corrosion resistance of the paint is improved, and the corrosion resistance of the paint is improved. L-cysteine can reduce the rate of metal corrosion and can play a role in protection, boron nitride can play a very good barrier effect, through cooperation of the components, a very good anti-corrosion effect of the paint can be achieved, and the prepared environment-friendly anti-corrosion paint is good in anti-corrosion performance and wide in application.
Owner:GUANGDONG DAZHOU NEW MATERIALS TECHNOLOGY CO LTD
Power equipment information acquisition method, system, device and medium
PendingCN122248372AImplement the get methodachieve acquisitionServices signallingConnection management
This application discloses a method, system, device, and medium for acquiring information from power equipment, belonging to the field of power electronics technology. The method includes: power equipment responding to a connection request from a pre-installed device by establishing a communication connection with the pre-installed device via an AP hotspot; receiving an inquiry command sent by the pre-installed device; obtaining the response information corresponding to the inquiry command; and sending the response information back to the pre-installed device. This application, by activating the AP hotspot of the WiFi module after the power equipment is powered on, allows the pre-installed device to establish a communication connection with the power equipment via the AP hotspot, obtain the corresponding response information based on the network relationship within the power equipment cluster, and provide feedback. This eliminates the need for manual scanning of QR codes or manual data entry for each power equipment, simplifying the power equipment information collection process, shortening the information acquisition time cycle, and improving the efficiency of power equipment information acquisition.
Owner:SHANGHAI SIGE DIGITAL TECHNOLOGY CO LTD
Single screw extrusion apparatus for single, double and multi-base pharmaceuticals
The utility model provides a single screw extrusion equipment of single base drug, double base drug and multibase drug, and this equipment includes screw shaft, rotating water jacket, screw shaft fixed seat, screw cavity casing and casing cooling structure, the screw shaft includes axle body, sealing end cover and cooling water pipe, the outer wall of axle body one end is provided with spiral vane, the other end of axle body is optical axis structure, the optical axis structure of other end of axle body is provided with axle body water inlet and axle body water outlet, the one end of axle body outer wall provided with spiral vane is provided with cooling hole along axle body central axis direction, and the screw cavity casing is provided with pressure -relief mouth, and the pressure -relief mouth is located screw cavity casing one end close to screw shaft fixed seat. The utility model discloses through the double cooling of screw shaft and screw cavity casing, can control the temperature of material between screw shaft and screw cavity casing in the suitable range, can guarantee the stability of material temperature between screw shaft and screw cavity casing when continuously working, has improved the safety and production efficiency of equipment.
Owner:XIANYANG HUAKE AUTOMATION TECH RES INST CO LTD
Electrically conductive rubber composition, sealing assembly and rolling bearing
PendingCN122103792Acontinuous releasequick releaseBearing componentsPolymer scienceRolling-element bearing
The present disclosure relates to an electrically conductive rubber composition, a sealing assembly and a rolling bearing. The electrically conductive rubber composition comprises: a base rubber, an electrically conductive carbon black, carbon nanotubes and graphene, which are uniformly mixed into the base rubber, wherein the mass fraction of the electrically conductive carbon black ranges from 25 to 55 parts; the mass fraction of the carbon nanotubes ranges from 3 to 5 parts, and the mass fraction of the graphene ranges from 2 to 7 parts. When the electrically conductive rubber composition is prepared by using the electrically conductive fillers in the above mass fraction range, and the electrically conductive rubber composition is applied to the sealing assembly of the rolling bearing, the sealing assembly can continuously and timely release static electricity, effectively preventing the electric corrosion of the raceway of the rolling bearing caused by the accumulation and discharge of shaft current or electric charge.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Photovoltaic floor tile
ActiveCN224083473UHighly integratedImprove cooling efficiencySingle unit pavingsPhotovoltaicsStructural engineeringMechanical engineering
The utility model discloses a photovoltaic floor tile. The photovoltaic floor tile comprises a frame, a photovoltaic assembly, an energy storage device, a control device and a load, the frame comprises an accommodating clamping groove and a load accommodating groove surrounding the accommodating clamping groove, the accommodating clamping groove is used for placing a photovoltaic module, and the load accommodating groove is used for placing a load; the photovoltaic module comprises a first area and a second area surrounding the first area, the second area is overlapped with the containing clamping groove in the direction perpendicular to the plane where the photovoltaic module is located, and the first area is not overlapped with the containing clamping groove; the energy storage device and the control device are located on the side, away from the light incidence face, of the backlight face. The energy storage device and the control device are overlapped with the first area in the direction perpendicular to the plane where the photovoltaic module is located; the energy storage device is electrically connected with the photovoltaic assembly and the control device, and the control device is electrically connected with the load. According to the technical scheme provided by the utility model, the integration level of the photovoltaic floor tile can be improved, and the maintenance cost of the photovoltaic floor tile can be reduced.
Owner:JUXIN NEW MATERIALS (KUNSHAN) CO LTD
Pressurizing device for circuit board packaging
PendingCN121940979ADetect abnormal situations in timeEasy to clean and maintainMultilayer circuit manufactureElectric machineryStructural engineering
Owner:ASIATECH GRP LTD
A microbial repair agent particle for self-repairing cement-based materials and a preparation method thereof
ActiveCN118324443Bhigh apparent densityImprove repair effectSolid waste managementAluminateMicrobiome
The present invention discloses a microbial repair agent particle for a crack self-repairing cement-based material and a preparation method thereof. The repair agent particle has a core-shell structure and comprises a microbial repair agent core and a repair agent shell. The repair agent core comprises the following components by mass percentage: microbial powder: 10-15 parts, calcium source: 0.75-1.25 parts, nutrient: 2-3 parts, filler: 8-10 parts; the repair agent shell comprises the following components by mass percentage: sulfoaluminate cement: 6-8 parts, density adjustment powder: 1-3 parts, fly ash: 0-1 part. The present invention changes the formula of the repair agent core and adopts an extrusion granulation method to prepare the core particles, achieving a high loading rate of the microbial component in the core and a small particle size distribution coefficient of the core. At the same time, the repair agent particle has good sphericity, concentrated size distribution, small deviation of particle strength, uniform wall thickness, high yield rate, good responsiveness to cracking and good self-repairing effect on cracks in cement-based materials such as mortar and concrete.
Owner:SOUTHEAST UNIV
Power line carrier streaming media data transmission method and communication system
InactiveCN121864126AMatch maximum latency requirementsresource optimizationTransmission control/equlisationPower distribution line transmissionCommunications systemTime division multiple access
The invention discloses a power line carrier streaming media data transmission method and a communication system, the method is executed by a main end device, and the method comprises the following steps: S1, broadcasting a beacon frame in a beacon time slot, the beacon frame comprising time slot division information for a current beacon period, the time slot division information defining a circulation unit, each cyclic unit comprises a downlink streaming media time division multiple access time slot, an uplink streaming media time division multiple access time slot and an emergency time slot; s2, in a downlink streaming media time division multiple access time slot, downlink streaming media data are sent to one or more slave end devices in a non-competitive mode; s3, receiving a time slot switching request from the slave end equipment, and authorizing the specific slave end equipment to use a specified downlink streaming media time division multiple access time slot according to the channel state; and S4, in the emergency time slot, emergency data from the slave end equipment or sent to the slave end equipment is received, so that efficient dynamic balance between the conventional high-speed streaming media service and the sudden emergency demand is realized.
Owner:SHENZHEN LIPU COMM TECH CO LTD
A lamp tube clamping type warmer
The utility model relates to a lamp tube clamping type warmer, including the shell, is provided with first heating area and second heating area on the shell, and first heating area and second heating area are communicated in the shell inside, first heating area and second heating area have different radiation direction, the reflector board is located in the inside of first heating area, the lamp tube is located in the inside of first heating area, the shell inside is provided with the mounting plate who penetrates first heating area and second heating area, the outside of mounting plate is equipped with the card and carries out the constraint to the lamp tube in axial direction, the utility model has the advantages of: through the design that the mounting plate is radially restrained to the lamp tube, the card is axially restrained, the installation stability of the lamp tube and mounting plate is guaranteed, simultaneously, the card and mounting plate are all simple sheet body structure, and production assembly flow is simple, and production cost is reduced, and the design of limiting buckle and limiting male prevents the card from falling off automatically, and the connection stability of card and lamp tube, mounting plate is ensured.
Owner:NINGBO CETUS ELECTRICAL APPLIANCE
Composite aerogel with humidity-controlled release function and preparation method and application thereof
This invention belongs to the field of food preservation technology, specifically relating to a composite aerogel with humidity-controlled release function, its preparation method, and its application. The composite aerogel provided by this invention uses polyvinyl alcohol, carboxymethyl chitosan, cellulose nanofibers, and copper ion solution as a matrix to synthesize a physicochemically double-crosslinked hydrogel. A metal-organic framework HKUST-1 is grown in situ inside the hydrogel, and the composite aerogel is obtained by freeze-drying. Subsequently, hydrophobic volatile essential oils such as carvacrol, cinnamaldehyde, and menthone are loaded onto it. This invention provides a composite aerogel with high safety, structural stability, and significant antibacterial effect. It accelerates the release rate of volatile essential oils with increasing humidity, achieving timely antibacterial preservation, a pleasant aroma, reduced spoilage rate during strawberry storage, and delayed quality deterioration. It possesses excellent antibacterial properties, safety, and promising application prospects.
Owner:SOUTH CHINA UNIV OF TECH
A method for locating overvoltage / undervoltage faults in a battery system
ActiveCN116165552Bimprove securitytimely releaseElectrical testingVehicular energy storageOvervoltageElectrical battery
This invention relates to a method for locating overvoltage / undervoltage faults in battery systems, belonging to the field of new energy vehicle technology. The method includes: real-time acquisition of battery system SOC, maximum cell voltage, minimum cell voltage, and total current; when an overvoltage alarm occurs in the battery system, fault location is performed: based on characteristic indicators and their corresponding set thresholds, it is determined whether the fault is due to individual cell damage, unreasonable control strategy, slow current limiting by the charging pile, secondary charging, sampling line problems, current feedback, circulating current, or active balancing; the process for determining each set threshold is as follows: based on a failure case library, a fault tree containing all causes of overvoltage faults is established to obtain training set data; the training set data is input into a decision tree classifier to obtain the characteristic indicators of each overvoltage fault cause and the corresponding set thresholds. This invention provides timely fault location in the event of an alarm, improving battery safety.
Owner:ZHENGZHOU YUTONG BUS CO LTD