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Temperature control system of stainless steel welded steel pipe heat treatment furnace
ActiveCN119614853AGuaranteed temperature control accuracyExtend effective lifeFurnace typesHeat treatment process controlControl signalData acquisition
The invention discloses a temperature control system of a stainless steel welded steel pipe heat treatment furnace, which belongs to the technical field of stainless steel heat treatment, and specifically comprises a temperature sensor used for measuring the temperature in the heat treatment furnace in real time and outputting a temperature signal; the data acquisition module is used for converting the temperature signal into a digital signal; the controller is used for receiving the digital signal, calculating a temperature difference value between an actual temperature and a set temperature in the heat treatment furnace and calculating a heat difference value according to the temperature difference value, and the controller screens parameters representing the aging degree of the equipment and stores a prediction model of the parameter relationship between the heat deviation and the aging degree of the equipment; the controller calculates a heat deviation value of the heat treatment furnace according to the prediction model; the controller adjusts a control signal output to the heating device according to the heat deviation and adjusts the heating power of the heat treatment furnace; and the visual interface is used for setting the stainless steel process type and the heating power and displaying the real-time temperature and the system working state.
Owner:FUJIAN QINGSHAN STEEL PIPE CO LTD
Pollution prevention and treatment equipment for soil
PendingCN119634422Aincrease profitImprove utilizationSpadesContaminated soil reclamationMechanical engineeringPollution prevention
The invention relates to the technical field of soil pollution prevention and treatment, in particular to soil pollution prevention and treatment equipment which comprises a main machine frame, an auxiliary frame is installed at the bottom of the main machine frame, wheel shafts are rotationally installed at the bottoms of the two side ends of the main machine frame, and a hub is installed at one end of each wheel shaft. A cutter shaft is rotatably installed at the position, close to the wheel shaft, of the side end face of the auxiliary frame, a plurality of bent cutters are evenly installed on the outer curved surface of the cutter shaft at equal intervals, and a material box is installed in the middle of the top end of the auxiliary frame. The compatibility of equipment advancing work, soil crushing work and treating agent feeding work is improved, the effectiveness of the soil crushing work is enhanced, the soil crushing work is more balanced, the soil crushing blind area is avoided, synchronous injection and spraying of the treating agent are achieved, the permeation combination efficiency of the treating agent and soil is enhanced, and the treatment effect is improved. The effective utilization rate of the treating agent is improved.
Owner:HUANGHUAI UNIV
Preparation method of recycled aggregate pervious concrete
PendingCN119638288AImprove anti-clogging performanceExtend effective lifeSolid waste managementSlagSuperplasticizer
The invention relates to a preparation method of recycled aggregate pervious concrete, which comprises the following steps: sequentially crushing and screening waste concrete to obtain waste stone powder with the particle size of less than 0.075 mm and coarse aggregate with the particle size of 5-30 mm; the method comprises the following steps: washing and drying waste stone powder, adding glass powder and sodium hydroxide, and reacting to obtain a sodium silicate alkali activator; the preparation method comprises the following steps: firstly, adding coarse aggregate into a magnesium alginate aqueous solution, soaking until the coarse aggregate absorbs water to be saturated, sequentially adding sodium polyacrylate, mango butter and hydrogenated polyisobutene during soaking, stirring and mixing, then introducing carbon dioxide gas for carbonization, and carrying out post-treatment after carbonization is finished, so as to obtain recycled aggregate; and mixing the cement, the slag powder, the alkali activator, the machine-made sand, the recycled aggregate, the polycarboxylate superplasticizer and water to obtain the pervious concrete. The invention provides a preparation method for completely replacing natural coarse aggregate of the pervious concrete with the recycled aggregate, and the slag powder is used for replacing cement in a large proportion to serve as a cementing material, so that the high-strength and high-permeability all-waste aggregate green pervious concrete material can be prepared.
Owner:ZHEJIANG COMM CONSTR GRP CO LTD
A down quilt with uniform filling
The utility model relates to down quilt technical field especially, relates to a kind of down quilt of even filling, including protective cover, the surface of the protective cover is equipped with horizontal and vertical staggered seam, the protective cover is divided into multiple independent square area with 30 centimeters side length by the seam;The top center of each square area is equipped with the opening for the filling tube of filling machine insertion, and the top of the protective cover is sewn with long strip edge bar.The utility model aims at the phenomenon of traditional protective cover because of the whole communication, the filling tube is moved inside and drives down migration, and the present application is divided into independent 30 centimeter side length square area by horizontal and vertical seam, each area is independently closed, and the flowing channel of down between area is blocked on physical structure, avoid the risk of down stringing during filling process and subsequent use, guarantee the stability of the filling amount of each area from the root.
Owner:ZHEJIANG SAMSUNG DOWN CO LTD
Cast-in-place pre-stressed anchor bearing structure and construction method thereof
PendingCN119531271AImprove structural strengthImprove corrosion resistanceBuilding repairsBridge erection/assemblyPre stressArchitectural engineering
The invention provides a cast-in-place pre-stressed anchor bed structure and a construction method thereof. The cast-in-place pre-stressed anchor bed structure comprises a to-be-reinforced structure, a plurality of anchor bolts and a cast-in-place anchor bed. Wherein a local surface protection layer of the structure is peeled off to expose the reinforcing steel bars and form anchoring grooves, the anchor bolts are distributed at intervals and implanted into the bottoms of the anchoring grooves from the sides of the reinforcing steel bars, the cast-in-place anchor seats are poured into the anchoring grooves and protrude out of the surface of the structure, and the cast-in-place anchor seats are provided with a plurality of tensioning channels in a penetrating mode in the tensioning direction. And each tensioning channel is used for penetrating a tensioning screw rod. According to the cast-in-place pre-stressed anchor bed structure and the construction method thereof, accurate punching is facilitated, a steel bar structure in a building is prevented from being damaged during punching and steel bar planting, the cast-in-place anchor bed and the building are combined into a whole, the anchor bolts and the steel bars can be fixed into a whole, and therefore the strength and the anti-corrosion performance of the whole structure can be improved; and the reinforcing effect of the prestress tensioning system is further improved.
Owner:CARBON TECH CO LTD
Radio frequency switch switching reset adjustable driving device and radio frequency switch
The application relates to a radio frequency switch switching reset adjustable driving device and a radio frequency switch, and relates to the technical field of pulses. The device comprises a supporting base and an adjusting base arranged on the supporting base. The adjusting base can be moved along a first direction perpendicular to a mounting reference surface of the supporting base and along a second direction of a horizontal projection length direction of a channel switching plate. An elastic beryllium copper sheet is fixed on the adjusting base. A free end of the elastic beryllium copper sheet is used for abutting against a pin shaft on the channel switching plate. A locking mechanism is arranged between the supporting base and the adjusting base to lock the position of the adjusting base after displacement. Through independent movement of the adjusting base in the first and second directions, the contact height and the stress point position of the elastic beryllium copper sheet and the pin shaft can be respectively adjusted, so that the reset stroke and the rebound force are independently adjusted, and the defect that a traditional fixed reset spring cannot be adjusted is overcome.
Owner:SUZHOU LAIR MICROWAVE INC
An aerospace-terrestrial integration small watershed water pollution monitoring system
This invention belongs to the fields of water environment monitoring, watershed pollution simulation, and smart water management. Specifically, it provides an integrated air-space-ground small watershed water pollution monitoring system, comprising: an airborne monitoring module for collecting spatial distribution data of water quality across the entire small watershed; a ground-based monitoring module for collecting continuous temporal water quality and hydrological baseline data of the small watershed; a multi-source data management module for data processing; a model engine module for constructing and running a distributed hydrological and water quality mechanism model of the small watershed; an adaptive parameter optimization module for automatically calibrating and dynamically updating the parameters of the distributed hydrological and water quality mechanism model of the small watershed; an early warning and source tracing module for obtaining early warning and source tracing results; a long-term prediction module for obtaining water quality prediction results; and a visualization decision module for displaying early warning and source tracing results as well as water quality prediction results. This invention realizes the monitoring, early warning, source tracing, and long-term prediction of water pollution in small watersheds.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
External heat dissipation device of photovoltaic inverter
ActiveCN224343588UUniform temperatureAffect operational stabilityPhotovoltaic energy generationCooling/ventilation/heating modificationsInductorHeat spreader
This utility model discloses an external heat dissipation device for a photovoltaic inverter, including an air duct cover over a back panel and a fan bracket disposed on the back panel within a first spacer. The fan bracket has several fans with air inlets facing a first inductor box heat sink. The air duct cover has a first air inlet corresponding to the first inductor box heat sink, a second air inlet corresponding to the second inductor box heat sink, a first air outlet corresponding to the end of the heat sink facing away from the first inductor box heat sink, and a second air outlet corresponding to the end of the third inductor box heat sink facing away from the second inductor box heat sink. This utility model meets the requirement of uniform heat dissipation, balances the inverter temperature, avoids excessively high local temperatures affecting the inverter's operational stability, and extends the inverter's effective lifespan. The internal fan cover design provides protection and creates a stable airflow channel, significantly improving heat dissipation performance.
Owner:SUZHOU HYPONTECH CO LTD
Glaucoma drainage device
The application discloses a glaucoma drainage device and belongs to the technical field of medical devices. The glaucoma drainage device comprises a drainage sheet, the inside of which is a cavity structure, the drainage sheet is divided into a left cavity and a right cavity through a first partition plate, the upper surface of the left cavity is provided with a drainage hole, and the first partition plate is provided with a drainage opening; a drainage assembly is in communication with the inside of the drainage sheet through a connecting hole provided on the drainage sheet; and a fixing mechanism is arranged on the drainage sheet and used for fixing the drainage sheet and the drainage assembly. The glaucoma drainage device can fix the drainage assembly and the drainage sheet of the device through a mechanical fixing structure, avoids the problems of the suture fixation of the drainage device in the prior art, simplifies the operation process, shortens the operation time, reduces the complications caused by the suture foreign matter, and improves the fixing reliability and safety.
Owner:西安市人民医院(西安市第四医院)
Curtain upper beam
ActiveCN224187464UEasy to installEasy to disassembleLight protection screensMechanical engineeringPhysics
Owner:ZHEJIANG YIANO SHADING TECH CO LTD
Gas water heater with novel structure
PendingCN119665456AExtend effective lifeExtended service lifeFluid heatersIndirect heat exchangersCombustion chamberMechanical engineering
The invention relates to the technical field of gas water heaters, in particular to a gas water heater with a novel structure, which comprises a shell, a combustion chamber is arranged in the shell, a heat exchanger is arranged above the combustion chamber, the water inlet end of the heat exchanger is communicated with a water inlet pipe, and the water outlet end of the heat exchanger is communicated with a water outlet pipe; a water inlet connector and a water outlet connector are arranged on the lower portion of the shell, the end, away from the heat exchanger, of the water inlet pipe extends downwards and is communicated with the water inlet connector, the end, away from the heat exchanger, of the water outlet pipe extends downwards and is communicated with the water outlet connector, and gaps are reserved between the water inlet pipe and the outer wall of the combustion chamber and between the water outlet pipe and the outer wall of the combustion chamber. According to the invention, the problem that corrosion perforation is easy to occur near a welding spot between the coil pipe of the heat exchanger and the combustion chamber can be reduced.
Owner:CHENGDU QIANFENG ELECTRONICS CO LTD
Novel water cap device for preventing screw drill from glue falling and pressure building
PendingCN119641242AExtend effective lifeavoid cloggingDrilling rodsBorehole drivesArchitectural engineeringStructural engineering
The invention belongs to the technical field of roller bits, and particularly relates to a novel water cap device for preventing rubber falling and pressure building of a screw drill, the novel water cap device comprises a cardan shaft shell, a water cap, a rotary cutter ring and a static cutter ring, the rotary cutter ring is fixed on the water cap, the static cutter ring is fixed on the cardan shaft shell, and the water cap is fixed on the cardan shaft shell. And the static cutter ring corresponds to the rotary cutter ring. Aiming at the problem of local falling of large rubber blocks, under the conditions that the rubber of the motor falls off and power parameters are not greatly reduced, the water holes are prevented from being blocked by the large rubber blocks, working can be continued, the probability of pump building and drilling is reduced, the effective service life of the motor is further prolonged, and the cost is reduced.
Owner:天津立林石油机械有限公司
A rhein-modified amine curing agent and its preparation method, and a long-lasting anti-corrosion coating based on bulk rust conversion and its preparation method and application.
PendingCN122079799AHas the ability to transform rustImprove anti-corrosion performanceOrganic chemistryOrganic compound preparationMannich reactionHydroxy group
This invention discloses an emodin-modified amine curing agent and its preparation method, as well as a long-lasting anti-corrosion coating based on bulk rust conversion, its preparation method, and its application. It relates to the field of anti-corrosion coating technology. The preparation method of the emodin-modified amine curing agent of this invention includes: subjecting raw materials including 2-hydroxyemodin, formaldehyde, and 1,5-pentanediamine to a Mannich reaction to obtain the emodin-modified amine curing agent. The emodin-modified amine curing agent used in this invention has a certain rust conversion ability and forms a stable chelate with iron ions, eliminating the need for rust conversion agents and allowing direct application to corroded surfaces. By using a suitable resin and curing agent system ratio, this invention can prepare a high-performance, low-surface-treatment, long-lasting anti-corrosion coating based on bulk rust conversion, applicable to manually cleaned surfaces (St2 / St3, ISO 8501-1), old coatings, high-pressure water jetting, and wet sandblasting substrate surfaces.
Owner:MARINE CHEM RES INST CO LTD
An arch frame installation device for a mountain tunnel
The invention discloses an arch frame installation device for a mountain tunnel, comprising a frame carriage, a screw rod is rotatably installed at the bottom of the side end surface of the frame carriage, a base is installed on the outer side of the screw rod through a thread, an adjustment seat is rotatably installed on one side of the top of the base, a machine base is slidably installed on the top of the adjustment seat, a guide rail is symmetrically installed on the side end surface of the adjustment seat, and support ears are symmetrically installed at the bottom end of the machine base corresponding to the position of the guide rail, and the support ears are slidably connected to the guide rail. The invention can transform gravity into driving force, save energy consumption in the process of arch frame installation, improve the energy-saving and environmental protection performance of the device, and improve the flexibility of installation work, and can perform double alignment correction on the side arch and the arc arch frame, improve the alignment accuracy and the fit with the tunnel side wall, which not only makes the assembly and connection work of the side arch and the arc arch frame more efficient, convenient and flexible, but also fully improves the safety and reliability of the arch frame installation, and improves the support effectiveness of the arch frame.
Owner:SHANXI NO 3 CONSTR ENG
Aluminum etching solution, preparation method and application thereof
The application belongs to the technical field of etching liquid, and particularly relates to an aluminum etching liquid, a preparation method and application thereof. The aluminum etching liquid, with the total mass of the formula being 100%, comprises 50-70% of phosphoric acid, 6-11% of nitrate salt slow-release acid source, 3-8% of organic carboxylic acid buffer stabilizer, 1-4% of aluminum ion high-efficiency complexing agent, 0.5-3% of etching accelerator, 0.1-1.5% of anionic surfactant, and the balance of water. The aluminum etching liquid provided by the application has good etching life and etching stability, can greatly reduce the treatment amount of waste liquid and the replacement frequency of fresh tank liquid, does not need to monitor and supplement nitric acid or acetic acid in the whole life cycle, significantly reduces the operation difficulty and maintenance cost, realizes convenient production, and ensures stable etching performance and greatly improves product yield due to stable tank liquid components.
Owner:HEFEI SINOPISE MATERIALS CO LTD
A gas monitoring device with quick-release filter element and back-flushing soot cleaning structure
The utility model relates to a kind of gas monitoring devices with quick-release filter core and back blow ash cleaning structure, belong to environmental monitoring equipment technical field, to solve the problem of existing gas monitoring device filter core easy to block, replacement maintenance difficulty.This gas monitoring device with quick-release filter core and back blow ash cleaning structure includes detector main body and filter component, gas sensor, main control board, main air inlet channel and back blow ash cleaning component are equipped in detector main body;Filter component is detachably connected in the air inlet end of detector main body by quick-release mechanism;The back blow ash cleaning component includes back blow air pump and gas path switch valve, can be under the control of main control board, realize the reverse blow ash cleaning of filter core in filter component.This gas monitoring device with quick-release filter core and back blow ash cleaning structure realizes the automatic maintenance of device by integrated back blow ash cleaning function, prolongs filter core life;Meanwhile, quick-release mechanism simplifies the replacement operation of filter core, significantly improves the reliability of monitoring and the convenience of maintenance.
Owner:ORDOS CARBON NEUTRAL RES & APPL CO LTD
A distributed power storage device
ActiveCN121416670BScientific and reasonable structureeasy to useSecondary cellsCell component detailsElectrical batteryPower grid
The application discloses a kind of distributed power energy storage devices, it is related to secondary battery technical field, including box, several hollow supports are evenly installed equidistantly in the box, several partition seats are evenly installed equidistantly in the side end surface of hollow support, cabinet is slidably installed in the top of partition seat, limit valve is embedded and installed in the bottom of cabinet side end surface, the end of limit valve is installed with spout, sliding plate is slidably installed in the inside of partition seat, the heat emitted in the process of the present application is driving force, forcibly realizes internal and external interactive heat exchange and internal circulation heat exchange, can effectively remove the heat generated in the process of device operation in time, realize the recycling of energy conversion and utilization, while realizing the efficiency of the base, improve the synchronism and high efficiency of heat exchange work, while prolonging the effective service life of battery, improve the popularization of device, flexible meet the multiple needs of user side cost reduction, power grid side stability and energy side low carbon.
Owner:ZHEJIANG BONA ENERGY DEV CO LTD
An industrial isolator health management method and system based on digital self-calibration
The application discloses an industrial isolator health management method and system based on digital self-calibration, and relates to the technical field of industrial automation, comprising: continuously collecting input end and output end analog signal values of the industrial isolator, calculating real-time transmission error to form an error sequence; establishing a trend model according to the error sequence to predict future transmission error values; when the current error is less than the precision threshold value and the predicted error is greater than the threshold value, calculating a preventive compensation value; determining a perception threshold value according to the output signal change rate, decomposing the compensation value into multiple step amounts, so that the output change generated by each step amount is less than the perception threshold value; and in multiple cycles, sequentially accumulating the step amounts and writing them into a digital compensation register, monitoring the output signal continuity after each writing, and completing the undisturbed online self-calibration. Through the predictive compensation and gradual calibration, the application realizes the online precision maintenance of the industrial isolator, and avoids the system interruption problem in the traditional offline calibration.
Owner:GUANGZHOU XITAI AUTOMATIZATION CONTROL EQUIP CO LTD
A flow path reconfigurable membrane filtration method
The application discloses a membrane filtration method with reconfigurable flow path, which is applied to a system comprising a first main pipe, a second main pipe, a third main pipe, a plurality of membrane filtration modules and a pipe switching module. Each membrane filtration module comprises a membrane group, a first branch pipe, a second branch pipe and a third branch pipe, one of the first branch pipe and the second branch pipe is a feed branch pipe, the other is a discharge branch pipe, and the permeate is discharged from the third branch pipe. The pipe switching module comprises a first switching module arranged between the first main pipe and the first branch pipe, the second branch pipe of each membrane filtration module, and a second switching module arranged between the second main pipe and the first branch pipe, the second branch pipe of each membrane filtration module, and the third branch pipe of each module is communicated with the third main pipe. The method switches the filtration direction of the membrane filtration module by controlling the first switching module and the second switching module, so that the plurality of membrane filtration modules operate in parallel mode, series mode or mixed mode, and dynamic adjustment of the membrane filtration method is realized.
Owner:JIANGSU BANGTEC ENVIRONMENTAL SCI TECH CO LTD
Dehumidification isolating switch
ActiveCN224067606UExtend effective lifeless intrusiveClimate change adaptationDispersed particle separationInterior spaceAmbient humidity
The utility model relates to the technical field of isolating switches, in particular to a dehumidification isolating switch, which comprises an isolating switch body and further comprises a protection part, a dehumidification part and a control part, and is characterized in that the protection part comprises a base for bearing the isolating switch body and an outer sealing cover arranged outside the base; a dehumidification bin is arranged between the base and the outer sealing cover, and the dehumidification bin is used for reducing the internal environment humidity of the outer sealing cover; according to the dehumidification isolating switch, a closed space can be formed through the base and the outer sealing cover which are arranged in the protection part, so that invasion of external moisture is reduced; the humidity in the internal space can be continuously adsorbed through the arranged dehumidification bin, the dehumidification bin is convenient to disassemble and assemble and easy to replace and maintain, the erosion problem of the metal contact of the isolation switch can be relieved, and the effective service life of the isolation switch can be prolonged.
Owner:新疆准能投资有限公司
Automatic control and error-proofing system for LED UV curing equipment and energy-saving methods
PendingCN122546873ANot relying on self-disciplineEliminate operational loopholes
This invention discloses an automatic control and error-proofing system and energy-saving method for LED UV curing equipment, relating to the field of automated UV curing production equipment technology. The system includes: a conveying mechanism, a UV curing mechanism, a feeding identification component, an discharging identification component, an industrial control computer, and a PLC controller. The feeding identification component includes a diffuse reflection photoelectric sensor and a front barcode scanner; the discharging identification component includes a rear barcode scanner; the UV curing mechanism includes independently controllable 365nm and 405nm band LED UV lamp heads; the industrial control computer stores a curing formula database; and the PLC controller has an interlocking control module and a standby control module. This invention achieves forced interlocking between barcode scanning and equipment start / stop, realizing fully automated control and effective error-proofing, significantly reducing the risk of human error and equipment energy consumption.
Owner:HUNAN LAITONG OPTICAL TECH CO LTD
Power battery test data abnormity early warning method and system
PendingCN121995226AAvoid performance misjudgmentsincrease credibilityElectrical testingPower batteryElectrical battery
The invention relates to the technical field of lithium battery manufacturing, in particular to a power battery test data abnormity early warning method and system, and the method comprises the following steps: collecting the operation parameters of test equipment and the test data of a tested power battery in a power battery test process in real time; based on battery state information in the test data, inputting the test data into a preset virtual battery model; calculating a relative deviation ratio between the actually measured voltage of the measured power battery and the analog voltage value; if it is judged that the data exception is not caused by the battery problem, an equipment fault diagnosis step is executed, and fault diagnosis and grade judgment are carried out by comprehensively applying at least two of the following judgment bases in the step: corresponding early warning operation is executed according to the fault grade judged in the fault diagnosis step. The reliability of test data and the credibility of the test process are remarkably improved, and battery performance misjudgment caused by equipment problems is avoided.
Owner:中汽新能(天津)电池科技有限公司
A sling support structure and a sling
The utility model discloses a kind of spreader support structure and spreader, it is related to spreader technical field, the utility model includes portal frame, eight guide supports are connected in the both sides of portal frame, and four springs are connected between the top of eight guide supports and portal frame, two middle plates are connected in the bottom of eight guide supports, and two anti-skid mats are connected in the bottom of two middle plates by two mounting plates;Four pulleys and two groups of hanging rods are connected in the both sides of portal frame, and two anti-off plates are connected in the side of four pulleys.The utility model is set through pull rope, hook, pulley, limit plate and hanging rod, pull rope is designed as M shape, the transmission direction of force can be changed with cooperation pulley, staff only needs to pull down the middle end of pull rope in left and right sides, can be guided support up by pull rope left and right end, change four corners operation to two sides operation, simplify the operation process of spreader limit release;Optimize the operation convenience and reliability of spreader support structure.
Owner:JIANGSU LIZHICHUANG SPECIAL EQUIP MFG CO LTD
Positive electrode sheet and lithium ion battery comprising the same
The application provides a positive electrode sheet for a lithium ion battery and a lithium ion battery comprising the positive electrode sheet, the positive electrode sheet comprising a current collector and specially designed capacity layer and power layer, which can effectively eliminate the negative effects of the lithium supplement material on the battery performance during the lithium supplement material de-lithiation process in an economical and simple manner, thereby significantly improving the first coulomb efficiency, cycle performance and service life of the battery.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Double-sided magnetic power bank with built-in intelligent temperature control system
PendingCN121770110Aincrease flexibilitymeet real needsBatteries circuit arrangementsElectric powerTemperature controlElectrical battery
The invention relates to a double-sided magnetic power bank with a built-in intelligent temperature control system, and the power bank comprises a bottom plate and a cover plate which are combined to form a housing with a battery compartment inside. The battery is mounted in the battery compartment; the PCB is installed on the inner wall of the cover plate and located on the front side of the battery; the distributed temperature sensing network is composed of a plurality of thermistors arranged at a plurality of key thermal nodes in the power bank and is used for collecting temperature signals; the main control MCU is mounted on the PCB and is coupled to the distributed temperature sensing network; wherein a first magnetic attraction module is arranged in the bottom plate, and a second magnetic attraction module is arranged in the cover plate, so that the double-sided magnetic attraction function of the power bank is realized. The magnetic attraction module and the wireless charging coil are integrated on the two faces of the bottom plate and the cover plate, simultaneous wireless charging of the two high-power devices is achieved, the charging efficiency and the flexibility of use scenes are greatly improved, and the real requirements of multi-device users are met.
Owner:深圳市昇艺科技有限公司
Gas detector and method of controlling the same
The application discloses a kind of gas detector and its control method, belong to gas detection technical field.The detector includes electrochemical sensor and metal oxide semiconductor sensor for detecting the same target gas.The method comprises: obtaining two-way output signals;In the preset sliding time window, the correlation coefficient of two signals is calculated, when the correlation coefficient is lower than the preset threshold and lasts more than the preset fault confirmation time, sensor failure is judged;The signal change rate of two signals is calculated, when the change rate of metal oxide semiconductor sensor exceeds the preset fast threshold and the change rate of electrochemical sensor is lower than the preset slow threshold, it is judged as interference and alarm is inhibited;When both two-way signals exceed the alarm threshold, it is judged as real leakage and alarm.The application utilizes the inherent difference of two kinds of sensors in response speed and selectivity, considers detection accuracy and long-term reliability, effectively suppresses the false alarm caused by interference gas.
Owner:盈帜科技(常州)有限公司
Oven
The application belongs to the field of household appliances, and discloses an oven, which comprises a box body, a fan cover, a first heating element, a first fan, a second heating element and a heat dissipation element. The fan cover divides the inside of the box body into a cooking cavity and a hot air cavity, and the hot air cavity is provided with an air inlet and an air outlet. The second heating element is arranged at the top of the cooking cavity, and the air outlet comprises a first air outlet facing the second heating element. The heat dissipation element is connected with the second heating element, and the side of the heat dissipation element facing the first air outlet is provided with a wind guide surface for guiding the airflow flowing through the second heating element downward to a food placement area. The oven guides the hot air circulation airflow to the second heating element and the heat dissipation element, expands the heat exchange area by using the heat dissipation element, forces the airflow to carry away heat and is directionally guided through the wind guide surface, reduces the accumulation and dissipation of heat at the top, improves the thermal efficiency, shortens the preheating time, improves the temperature uniformity of the cooking cavity, and helps to prolong the service life of the second heating element and the nearby devices.
Owner:HISENSE HOME APPLIANCES GRP CO LTD
PTC regeneration bypass control method for window-type oxygen-enriched membrane fresh air complete machine
PendingCN122107512AEnable a seamless transitionAccurately identify true regeneration needsMechanical apparatusLighting and heating apparatusIndoor air qualityFresh air
This invention discloses a PTC regeneration bypass control method for window-type oxygen-enriched membrane fresh air systems, belonging to the field of air handling equipment control technology. The method includes: real-time monitoring of the oxygen-enriched membrane component performance degradation rate, dew point of the drying unit, indoor carbon dioxide concentration, and indoor-outdoor temperature difference; comprehensively determining the oxygen-enriched membrane performance degradation and the drying unit regeneration needs, and calculating and selecting the optimal time point with the least impact on the indoor environment to initiate regeneration, taking into account indoor air quality and heat load conditions; first switching to bypass ventilation mode to maintain basic air exchange, while simultaneously regenerating the drying unit and independently expelling moisture outdoors; and smoothly switching back to the original operating mode after regeneration is complete. This method solves the problems of improper regeneration timing, impact on indoor ventilation and comfort during regeneration, and high regeneration energy consumption in existing technologies, achieving efficient, energy-saving, and intelligent regeneration and maintenance of core consumables while ensuring continuous indoor air quality.
Owner:GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY +1
Controllable portable monitoring and early warning system for civil aviation passenger plane luggage compartment and method thereof
The application provides a controllable portable monitoring and early warning system for a civil aviation passenger plane luggage compartment and a method thereof, and relates to the technical field of luggage compartment monitoring and early warning. The system comprises the following steps: obtaining the communication quality parameters and the current power parameters of each monitoring node in the luggage compartment; constructing a directed graph with each monitoring node as a vertex and the communicable connection between each monitoring node as a directed edge; determining difficult nodes with communication quality parameters lower than a preset threshold; calculating several candidate paths from any difficult node QR to the total end node in the directed graph; assigning a final path to each difficult node according to the candidate paths of each difficult node, and sending the routing information corresponding to the final path to the corresponding monitoring node, so that each monitoring node transmits the collected monitoring data to the total end node according to the corresponding routing information; and the application significantly improves the reliability of data transmission and the network's invulnerability.
Owner:HANGKE TECH DEV
A design method and design system of an intelligent electric energy meter with thermal coupling failure rate correction
The application discloses a kind of intelligent electric energy meter design method and design system of thermal coupling failure rate correction.The design method includes: the original failure rate is calculated based on component stress method to each functional module, thermal coupling failure rate correction factor is calculated according to the thermal coupling parameter between module and the original failure rate is corrected;The thermal coupling degradation degree of each memory is evaluated through forward coupling path, and the data migration direction is determined, the power consumption change caused by data migration is fed back to thermal coupling failure rate correction factor through reverse coupling path, and recalculated and iteratively converges;According to the modified failure rate sorting, targeted design improvement is carried out, and the optimized design scheme is obtained.The design system includes module division and failure rate calculation unit, thermal coupling correction calculation unit, storage migration decision unit, closed-loop iteration unit and design improvement output unit, and each unit cooperates to form an iterative convergence closed loop, and outputs the optimized design scheme.
Owner:HOLLICK ELECTRIC CO LTD