Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 67. Отображено 67.
23-06-2023 дата публикации

Tunnel positioning method and system based on router position fingerprint positioning algorithm

Номер: CN116320972A
Принадлежит:

The invention discloses a tunnel positioning method and system based on a router position fingerprint positioning algorithm, and relates to the technical field of positioning, and the method comprises the steps: constructing an offline fingerprint database; the offline fingerprint database comprises a router point coordinate set, a reference point coordinate set, a reference point signal intensity value set and a corresponding relation set between router points and reference points; acquiring a signal intensity set of the to-be-positioned point; selecting a router point corresponding to the maximum signal intensity in the signal intensity set as a positioning reference point; based on the corresponding relation between the router points and the reference points, selecting a plurality of reference points corresponding to the positioning reference points as positioning calculation points; based on the reference point signal intensity value set, performing Euclidean distance calculation on ...

Подробнее
01-08-2023 дата публикации

Bus intelligent password ignition lock and ignition method

Номер: CN116513107A
Принадлежит:

The invention discloses an intelligent password ignition lock for a bus and an ignition method. The technical problem that an existing mechanical ignition key for the bus is inconvenient to manage and use is solved. The system comprises an input module used for generating a vehicle ignition electric signal; the execution module is correspondingly connected with the input module and used for receiving the vehicle ignition electric signal generated by the input module and generating an execution electric signal; and the output module is correspondingly connected with the output end of the execution module and is used for transmitting the execution electric signal to a control circuit in the vehicle. Wherein the input module comprises a touch screen, and the execution module comprises an MCU controller and an output interface. The system has the advantages of being convenient to manage and use, high in safety and easy to operate.

Подробнее
07-04-2023 дата публикации

Cleaning disc for ultrahigh-pressure water jet rust removal and control method thereof

Номер: CN115924020A
Принадлежит:

The invention provides a cleaning disc for ultrahigh-pressure water jet rust removal, which comprises a cleaning disc body, a swing mechanism arranged above the cleaning disc body, a spray rod penetrating through the cleaning disc body and the swing mechanism, a spray frame fixed below the spray rod, a water pipe arranged in the spray frame and communicated with the spray rod, and a spray head arranged below the water pipe, the adjusting mechanism is used for adjusting the distance between the nozzles; the control module works; a limiting groove used for movement of the spray head is formed below the spray frame. The water pipe comprises folding pipes and straight pipes which are alternately arranged, and the spray heads are fixed below the straight pipes; by arranging the adjusting mechanism and the control system, the position coordinates, the area and the color depth of an uncleaned area in an image can be positioned and calculated through real-time image collection, recognition and ...

Подробнее
11-09-2015 дата публикации

PORTABLE WATER PURIFIER

Номер: WO2015131336A1
Автор: WANG, Zhengang
Принадлежит:

A portable water purifier. The portable water purifier comprises a water storage cavity, a water inlet disposed on the water storage cavity, a water outlet disposed on the bottom of the water storage cavity, and a filtering core disposed on the water outlet. Water contained in the water storage cavity is filtered by the filtering core and then flows to an external water container. A cover is disposed on the top of the water storage cavity. The water inlet is disposed on the cover. The water inlet is also provided with a flow guide structure. The water purifier has a simple structure, is convenient to install, and has a high filtering efficiency.

Подробнее
04-07-2023 дата публикации

Vehicle cruise function control method and device, equipment and storage medium

Номер: CN116373860A
Принадлежит:

The invention discloses a control method, device and equipment for a vehicle cruise function and a storage medium, and the control method for the vehicle cruise function comprises the steps that running condition information of a vehicle is obtained in real time, and the running condition information comprises the running speed of the vehicle; whether the vehicle running speed exceeds a preset speed threshold value or not is judged; if the running speed of the vehicle exceeds the speed threshold value, starting a timer with preset duration; based on the timer and the vehicle running speed, whether the vehicle meets a preset self-adaptive cruise condition or not is judged; and if the vehicle meets the self-adaptive cruise condition, starting a self-adaptive cruise function. The method belongs to the technical field of intelligent driving, whether the vehicle enters the self-adaptive cruise function or not is judged according to the vehicle running speed in the vehicle running process, the ...

Подробнее
02-05-2023 дата публикации

Photovoltaic electrolytic aluminum power grid power generation device

Номер: CN116054707A
Принадлежит:

The invention belongs to the field of power equipment, and particularly relates to a photovoltaic electrolytic aluminum power grid power generation device. According to the specific technical scheme, the solar photovoltaic panel assembly comprises an obliquely-arranged supporting assembly, a plurality of solar photovoltaic panels are arranged on the supporting assembly, and the solar photovoltaic panels are rotationally connected with the supporting assembly through a rotating assembly and can rotate along with movement of the sun, so that sunlight directly irradiates the solar photovoltaic panels. According to the power generation device, the occupied area of the multiple solar photovoltaic panels can be reduced, the solar photovoltaic panels can rotate along with the moving direction of the sun, more electric energy can be obtained, and the utilization rate of the power generation device is increased.

Подробнее
18-04-2023 дата публикации

Electric power pipe gallery safety operation detection method and system

Номер: CN115984776A
Принадлежит:

The invention discloses an electric power pipe gallery safety operation detection method and system, and relates to the field of electric power pipe gallery safety operation detection, and the method comprises the steps: obtaining a current safety helmet image under an electric power pipe gallery; detecting the current safety helmet image by using a trained safety helmet detection model, and determining a detection result; constructing a lightweight convolution module composed of a first branch and a second branch; the first branch comprises a convolution block; the second branch comprises an expansion block, a depth separable convolution block, an Msh function and a convolution block which are connected in sequence; the first output end of the first branch is connected with the expansion block; the expansion block comprises three depth separable convolution blocks and an Msh function in sequence; a backbone network and a feature fusion module are improved by using a lightweight convolution ...

Подробнее
04-07-2023 дата публикации

Large-scale explosion damage information calculation method and system

Номер: CN116385893A
Принадлежит:

The invention relates to a large-scale explosion damage information calculation method and system, and belongs to the technical field of explosion assessment, and the method comprises the steps: inputting the geographical point location information of a large-scale explosion damage area in a GIS system, so as to obtain a high-definition satellite remote sensing image of the large-scale explosion damage area; performing image registration on the high-definition satellite remote sensing images of different time phases; inputting the high-definition satellite remote sensing images after image registration into a plurality of pre-trained target recognition models to obtain a plurality of explosion pit recognition results; calculating an effective damage radius according to the explosion pit identification result; calculating a damage range according to the effective damage radius; the damage range is displayed on a visual interface of the GIS system; a computer system is adopted, high-automation ...

Подробнее
29-08-2023 дата публикации

Electrochemical energy storage system of energy storage power station and protection control method

Номер: CN116667411A
Принадлежит:

The invention discloses an electrochemical energy storage system of an energy storage power station and a protection control method.The electrochemical energy storage system of the energy storage power station structurally comprises a wire, a plurality of transformers, a plurality of energy storage converters and a plurality of storage battery packs, switching elements are arranged between the bus and the transformer, between the transformer and the energy storage converter, and between the energy storage converter and the storage battery pack; high-voltage side windings of the transformer are respectively connected to different sections of the bus; the alternating current sides of the energy storage converters are connected with a low-voltage side winding of the transformer, and the multiple energy storage converters are connected into the transformer in parallel, so that a multi-equipment segmented parallel wiring structure is realized, flexible and diversified operation modes can be ...

Подробнее
23-06-2023 дата публикации

Prefabricated cabin top cover, prefabricated cabin and prefabricated cabin type transformer substation

Номер: CN116290929A
Принадлежит:

The invention provides a prefabricated cabin top cover, a prefabricated cabin and a prefabricated cabin type transformer substation. The prefabricated cabin top cover comprises a left track, a right track, a front half top cover, a rear half top cover and a driving mechanism, wherein the left track and the right track are parallel to each other; the front half top cover and the rear half top cover are foldable plates which are formed by hinging grid plates through rotating shafts; the rear side of the front half top cover abuts against the front side of the rear half top cover, and the front side of the front half top cover and the rear side of the rear half top cover are used for being correspondingly hinged to the top ends of the front enclosure wall and the rear enclosure wall of the prefabricated cabin. The rotating shafts comprise the first rotating shaft and the second rotating shaft, rollers are arranged at the two ends of the first rotating shaft, an angle limiting piece is arranged ...

Подробнее
18-07-2023 дата публикации

Eccentric-wear-free horizontal ultrahigh pressure pump

Номер: CN116447100A
Принадлежит:

The invention discloses a horizontal ultrahigh pressure pump free of eccentric wear. The horizontal ultrahigh pressure pump comprises a cylinder sleeve, a plunger assembly, a motor assembly and a crankshaft assembly. The plunger assembly comprises a plunger and a plunger joint, the plunger is connected with one end of the plunger joint and is slidably sleeved in the cylinder sleeve, the other end of the plunger joint is provided with an opening, the opening is sleeved with a connecting rod, and the connecting rod is connected with the crankshaft assembly through a universal coupling; the motor assembly comprises a transmission gear, a tooth profile is arranged on the outer side of the end, close to the plunger, of the plunger connector, and the transmission gear is meshed with the tooth profile. When the crankshaft assembly pulls the plunger to retract, the transmission gear drives the plunger connector to rotate. The plunger movement is detected through the sensor and transmitted to the ...

Подробнее
01-12-2016 дата публикации

SHAFT COVER-TYPE DEVICE AND METHOD FOR FULLY CONTINUOUS ELEVATION OF SPUD LEG OF OFFSHORE TURBINE INSTALLER VESSEL

Номер: WO2016188182A1
Принадлежит:

A shaft cover-type device for fully continuous elevation of a spud leg of an offshore turbine installer vessel. The device comprises a ring beam (1), a spud leg (4), a short shaft (5) and four shaft cover units (A, B, C, D). Each of the shaft cover units (A, B, C, D) is composed of a left shaft cover (a), a right shaft cover (b), an elevation sliding block (c), two oil cylinders (d) and a piston rod (e). The four shaft cover units (A, B, C, D) are symmetrically arranged in stopper recesses surrounding the ring beam (1), and each of the shaft cover units (A, B, C, D) is powered respectively by the elevation sliding block (c) thereof to move upward or downward in a predetermined region, the oil cylinders (d) are connected and fastened to the elevation sliding block (c) via a screw, the oil cylinders (d) provide power for the left and right shaft covers (a, b) via the piston rod (e), and the left and right shaft covers (a, b) synchronously slide horizontally in a sliding groove of the elevation ...

Подробнее
28-07-2023 дата публикации

Method for testing and evaluating interface performance of embedded bolt sleeve of wind power blade

Номер: CN116499876A
Принадлежит:

The invention provides a wind power blade embedded bolt sleeve interface performance test and evaluation method, which comprises the following steps: obtaining blade root connection parameters of an embedded bolt sleeve interface to be tested, and calculating bolt axial force on a single bolt according to the blade root connection parameters; wherein the blade root connection parameters comprise a blade root fatigue load, the number of bolts, a blade root axial force, a blade root limit load and a blade root pitch circle diameter when R is equal to-1 under 10,000,000 times; calculating the interface bonding static strength safety coefficient of the embedded bolt sleeve according to the axial force of the bolt; obtaining a blade root fatigue load matrix of the interface of the to-be-tested embedded bolt sleeve, and obtaining corresponding fatigue strength according to the blade root fatigue load matrix; wherein the blade root fatigue load matrix comprises a stress amplitude, a stress mean ...

Подробнее
12-05-2023 дата публикации

Direct-current micro-grid equipment protection device and protection method thereof

Номер: CN116111459A
Принадлежит:

The invention belongs to the field of power grid protection, and particularly relates to a DC micro-grid equipment protection device and a protection method thereof.The DC micro-grid equipment protection device comprises a lightning arrester body, the lightning arrester body is located on an insulating plate, a lower clamping assembly is installed on the insulating plate, and the grounding end of the bottom of the lightning arrester body is inserted into the lower clamping assembly; a high-voltage end at the top of the lightning device body is inserted into the upper clamping assembly, the lower clamping assembly comprises a conductive part, the conductive part is connected with a grounding wire and is in contact with the grounding end, the upper clamping assembly is provided with a lightning protection part, the lightning protection part is connected with a high-voltage bus, and the lightning protection part is in contact with the high-voltage end. According to the invention, the lightning ...

Подробнее
23-05-2023 дата публикации

Edge-end data interaction method for distributed resource regulation and control

Номер: CN116155718A
Принадлежит:

The invention provides an edge-end data interaction method for distributed resource regulation and control. The method comprises the following steps: formulating an information interaction model between an edge node and terminal equipment; formulating an equipment registration and conventional information interaction system between the edge node and the terminal equipment, wherein the equipment registration and conventional information interaction system is in the equipment registration and conventional information interaction system; formulating a communication management interface model between the edge node and the terminal equipment; the communication module based on a plug-and-play working mode forms a plug-and-play interaction mode between the edge node and the terminal equipment; and carrying out edge-end data interaction by adopting a plug-and-play interaction mode between the edge node and the terminal equipment, which is formulated and formed in the previous steps. According to ...

Подробнее
25-08-2023 дата публикации

Fire-fighting control system for battery cabinet of electrochemical energy storage station

Номер: CN116637316A
Принадлежит:

The invention discloses a fire control system for a battery cabinet of an electrochemical energy storage station, and relates to the technical field of fire safety. According to the fire-fighting control system for the battery cabinet of the electrochemical energy storage station, the battery cabinet is divided into a plurality of independent sub-battery cabins, so that the problem that all battery modules are damaged due to ignition of one battery module when all the battery modules are stacked in the same space is solved; a plurality of combustible gas sensor modules are used for judging whether combustible gas exists in the sub-battery cabins or not, a plurality of smoke sensing probes are used for judging whether smoke exists in the sub-battery cabins or not, the problem of false alarm is avoided, when the combustible gas exists in the sub-battery cabins, a gas abnormity alarm is given out, and when smoke exists in the battery cabins, an alarm is given out. And when short-circuit signals ...

Подробнее
23-06-2023 дата публикации

Electrochemical energy storage station battery liquid heat dissipation device

Номер: CN116315253A
Принадлежит:

The invention relates to the technical field of electrochemical energy storage station batteries, in particular to an electrochemical energy storage station battery liquid cooling device which comprises a battery cooling supporting plate, two heat exchange plates, two high-density tooth cooling fins, a liquid pump and a controller. A liquid inlet pipeline, a liquid outlet pipeline and a first temperature sensor are arranged in the battery cooling supporting plate; the two heat exchange plates are respectively arranged on two sides of the battery cooling support plate, cooling pipelines are arranged on the heat exchange plates, two ports of the cooling pipelines are respectively connected with a liquid inlet pipeline and a liquid outlet pipeline, and the cooling pipelines, the liquid inlet pipeline and the liquid outlet pipeline form a cooling loop; the high-density tooth radiating fins are tightly propped against the heat exchange plate; the liquid pump is connected to the cooling loop; ...

Подробнее
12-05-2023 дата публикации

Photovoltaic electrolytic aluminum direct current micro-grid power supply access and equipment integration method and photovoltaic electrolytic aluminum direct current micro-grid power supply access and equipment integration system

Номер: CN116111626A
Принадлежит:

The invention belongs to the technical field of new energy utilization and electrolytic aluminum, and particularly relates to a photovoltaic electrolytic aluminum direct current micro-grid power supply access and equipment integration method and system, and the method comprises the steps: determining an equipment type selection and first equipment integration scheme based on the flexible direct current access index of a photovoltaic electrolytic aluminum direct current micro-grid; determining a second equipment integration scheme based on the dynamic operation characteristics of the photovoltaic electrolytic aluminum direct current microgrid; based on the first equipment integration scheme and the second equipment integration scheme, upper-layer control and lower-layer control considering electrolytic aluminum load response primary frequency modulation hierarchical control are implemented respectively; and hierarchically controlling an access power supply and integrating equipment based ...

Подробнее
07-07-2023 дата публикации

Slope crack state prediction method and device, equipment and storage medium

Номер: CN116402807A
Принадлежит:

The invention discloses a slope crack state prediction method and device, equipment and a storage medium, and belongs to the technical field of image processing. The method comprises the steps of obtaining a hydropower station slope panoramic image; determining a current suspected crack area in the hydropower station slope panoramic image; acquiring a historical crack area; and predicting the slope crack state according to the historical crack area and the current suspected crack area. By means of the mode, long-distance danger early warning of the slope crack area is achieved, digitized and intelligent development of hydropower station operation and maintenance is promoted, and meanwhile the cost of the slope crack early warning system is reduced.

Подробнее
02-06-2023 дата публикации

Gate control method and system, electronic equipment and storage medium

Номер: CN116204000A
Принадлежит:

The invention relates to a gate control method and system, electronic equipment and a storage medium. The method comprises the following steps that a current upstream water level value W1 and a current opening value K1 of a gate are obtained; a set gate upstream required water level value W and a set gate required opening value K are obtained; and the gate is controlled to ascend or descend to the corresponding position through the water level control mode or the opening degree control mode. The invention further discloses a gate control system which comprises an information acquisition unit, an information setting unit and an automatic mode unit and has two automatic control modes including a water level control mode and an opening degree control mode. In addition, the invention also discloses electronic equipment and a storage medium. In addition, the opening degree of the gate can be accurately controlled according to the set upstream required water level value and the required opening ...

Подробнее
09-05-2023 дата публикации

Direct-current micro-grid feed-in protection cabinet

Номер: CN116093788A
Принадлежит:

The invention belongs to the field of feed-in protection cabinets, and particularly relates to a feed-in protection cabinet which is characterized in that a plurality of height-adjustable mounting supports are mounted in a cabinet body, a partition plate is located between the mounting supports and a back plate of the cabinet body, an air inlet chamber is formed between the partition plate and the back plate, a plurality of flow guide fans are mounted on a fixing plate, and smoke sensors are mounted at the bottoms of the mounting supports. An air inlet pipe is arranged in the air inlet chamber, the air inlet pipe is connected with the output end of a gas conveying device, the input end of the gas conveying device is communicated with an inert gas storage device and an air inlet component through a three-way valve, and when electrical equipment in the cabinet body is high in temperature and needs to be cooled, external air is input into the cabinet body, so that the purpose of cooling is ...

Подробнее
06-06-2023 дата публикации

Ultrahigh-pressure water derusting and wall-climbing cleaning equipment for ship

Номер: CN116215787A
Принадлежит:

The invention relates to ultrahigh-pressure water derusting and wall-climbing cleaning equipment for a ship, which comprises a cleaning disc, and a hub motor type first rotating wheel, a hub motor type second rotating wheel and a hub motor type third rotating wheel which are arranged outside the cleaning disc, a first driving mechanism for driving the first rotating wheel and the second rotating wheel to synchronously reverse is arranged among the first rotating wheel, the second rotating wheel and the cleaning disc, and a second driving mechanism for driving the third rotating wheel to reverse is arranged between the third rotating wheel and the cleaning disc; damping mechanisms are arranged between the first rotating wheel and the first driving mechanism and between the second rotating wheel and the second driving mechanism and between the third rotating wheel and the second driving mechanism correspondingly, and a third driving mechanism used for driving the second rotating wheel to ...

Подробнее
16-05-2023 дата публикации

Preparation method for preparing amino acid photocatalytic decarboxylation oxidation product by virtue of photocatalyst

Номер: CN116120585A
Автор: WANG ZHENGANG, ZHANG BAOLI
Принадлежит:

The invention discloses a preparation method for preparing an amino acid photocatalytic decarboxylation oxidation product by virtue of a photocatalyst. The preparation method comprises the following steps: 1) respectively preparing a polycyclic aromatic hydrocarbon photocatalyst solution with the concentration of 1-5mM and an Fmoc modified amino acid solution with the concentration of 100mM; (2) respectively taking 0.1-10 microliters of the solution of the polycyclic aromatic hydrocarbon photocatalyst in the step (1) and the solution of the Fmoc modified amino acid in the step (1), which are equal to each other, adding the solutions into 10-50 mM of a phosphate buffer solution, and standing for self-assembly; 3) after the self-assembly is completed, placing the solution under a blue light source to irradiate for 10-120 minutes; and 4) freeze-drying the solution to obtain an amino acid deacidification oxidation product.

Подробнее
30-05-2023 дата публикации

Cloud side-end collaborative management and control system based on electric power Internet of Things

Номер: CN116192601A
Принадлежит:

The invention relates to the technical field of cloud side end cooperation of the Internet of Things, and discloses a cloud side end cooperation management and control system based on the electric power Internet of Things. The system comprises an acquisition layer, a network layer and an application layer, the acquisition layer is used for acquiring related power data of each edge node in real time; the network layer comprises an MQTT protocol module and a public information model management module; the MQTT protocol module is used for realizing information release and subscription between the cloud platform and the edge node; the public information model management module is used for managing related power data through a planning database based on a CIM modeling idea; the application layer comprises a cloud platform; and the cloud platform is used for carrying out real-time online monitoring on the related power data, forming a detection report and providing a detection report interface ...

Подробнее
11-04-2023 дата публикации

Intelligent geomembrane production device

Номер: CN115946365A
Принадлежит:

The invention discloses a geomembrane intelligent production device which comprises a frame body arranged outside a heater, a guide assembly and a rolling composite assembly arranged on the frame body, and a tension degree detection assembly, the guide assembly guides two materials heated by the heater at a high temperature to the rolling composite assembly, and the tension degree detection assembly is connected with the rolling composite assembly. The tensioning degree detection assembly is arranged on the portion, between the guiding assembly and the rolling composite assembly, of the frame body and comprises a pressure sensor, and the pressure sensor is used for conducting tensioning force detection on the two materials coming from the guiding assembly; the tension adjusting assembly is arranged on the portion, between the guide assembly and the pressure detection assembly, of the frame body and comprises a speed adjusting mechanism, and the speed adjusting mechanism adjusts the stroke ...

Подробнее
11-04-2023 дата публикации

Ultrahigh-pressure gap filler combined type reciprocating sealing device

Номер: CN115949755A
Принадлежит:

The invention discloses an ultrahigh-pressure clearance packing combined reciprocating sealing device which comprises a liquid inlet valve body, a packing box body, a packing gland, a plunger and a sleeve, the liquid inlet valve body and the packing box body are fixed on a hydraulic cylinder body, the packing gland is fixed at one end of the packing box body, the inner diameter of the sleeve is slightly larger than the diameter of the plunger, and a through hole which is slightly larger than the outer diameter of the sleeve and used for installing the sleeve is formed in the packing box body. A stepped hole is formed in the liquid inlet valve body, the large end of the stepped hole in the liquid inlet valve body is slightly larger than the outer diameter of the sleeve and used for installing the sleeve, and the small end of the stepped hole is slightly larger than the diameter of the plunger. The labyrinth pressure relief annular grooves are formed in the inner wall of the sleeve, so that ...

Подробнее
05-05-2023 дата публикации

Automatic monitoring control device and method for transformer and transformer respirator

Номер: CN116072405A
Принадлежит:

The embodiment of the invention relates to an automatic monitoring control device and method for a transformer and a transformer respirator, the device is respectively connected with a first transformer respirator and a second transformer respirator, and the automatic monitoring control device comprises a first channel, a second channel, a third channel and a valve automatic switching control mechanism, the automatic valve switching control mechanism comprises a dehumidification exhaust switching assembly and a detection element, the detection element is arranged on the third channel, and the first channel and the second channel are in through connection with the third channel through piston switching. According to the device, the humidity data of the first channel or the second channel is detected through the detection element, and according to the humidity data, water vapor for dehumidifying silica gel particles in the transformer respirator is discharged and the other transformer respirator ...

Подробнее
25-04-2023 дата публикации

Contact resistance analysis method of cable intermediate joint and related device

Номер: CN116010845A
Принадлежит:

The invention discloses a contact resistance analysis method of a cable intermediate joint and a related device, and the method comprises the steps: decomposing an original time domain signal into two-dimensional time frequency information through discrete wavelet transform (DWT), improving the performance of a local signal, improving the anti-noise performance of a subsequent prediction model, and still having good anti-noise capability for data with a large fluctuation range; the self-suggestion support vector machine model (SSVM) utilizes a non-iterative method to extract subsequent knowledge from a training stage, that is, knowledge is extracted from a second-class support vector, so that the situation that information obtained from the training stage in a test stage is a first-class support vector or a hyperplane position is avoided, misclassification and mislearning are avoided, and the prediction precision of the contact resistance is improved. Therefore, the technical problem of ...

Подробнее
09-05-2023 дата публикации

Automatic inspection and maintenance system for cable trench

Номер: CN116086521A
Принадлежит:

The invention discloses an automatic inspection and maintenance system for a cable trench. The automatic inspection and maintenance system comprises a horizontal sliding rail, a fixed bracket, a detection assembly and an energy storage assembly, two ends of the fixed bracket are fixedly connected with two side walls of the cable trench respectively; the horizontal sliding rail is fixed below the fixed bracket; the detection assembly comprises a supporting frame, a sliding motor, a vertical telescopic rod, a connecting ball, a horizontal telescopic rod, a detection ball and an electric connector. The supporting frame is arranged on the horizontal sliding rail in a sliding mode. The sliding motor is arranged on the supporting frame and is in transmission connection with the supporting frame; the second end of the vertical telescopic rod is connected with the connecting ball; a connecting bin is arranged in the connecting ball; a power connection head is arranged in the connection bin; the ...

Подробнее
02-05-2023 дата публикации

Automatic fire-fighting device of direct-current transformer and transformer

Номер: CN116036515A
Принадлежит:

The automatic fire-fighting device comprises a fire-fighting box body, the fire-fighting box body is arranged below the transformer, and a fire-fighting mechanism and a controller are arranged on the fire-fighting box body; the controller controls the fire-fighting mechanism to be opened, high-speed airflow or steam mist wrapping the transformer is formed on the periphery of the transformer, and the transformer is isolated from the outside through the high-speed airflow or steam mist formed by the fire-fighting mechanism. High-speed airflow or steam mist is sprayed around the transformer, so that air pressure is formed through the high-speed airflow, the concentration of oxygen around the transformer is reduced, and the situation that flames formed on the transformer burn too fast, and consequently the fire behavior is expanded is avoided.

Подробнее
01-08-2023 дата публикации

Engineering equipment operating handle simulation device and method based on linear Hall

Номер: CN116520936A
Принадлежит:

The invention discloses an engineering equipment operating handle simulation device based on linear Hall, and the device comprises an operating handle module which is used for receiving the operation of an external force on a handle operating rod, and affecting the distance between a magnetic field and a sensor; the acquisition module is used for detecting and receiving a signal when the fine magnetic flux density changes when the operation handle module operates, and performing analog-to-digital conversion on the signal at the same time; when the magnetic flux density sensor is used, the operating handle module enables an internal structure to deform when external force acts on the operating handle, so that the acquisition module senses the change of magnetic flux density and outputs data, and the acquisition module acquires the data in the using process of the operating handle module, performs analog-to-digital conversion on the data and transmits the data to the control module; the control ...

Подробнее
14-07-2023 дата публикации

Building electrical fire risk assessment and prediction method based on artificial intelligence

Номер: CN116433035A
Принадлежит:

The invention relates to the field of image processing, and provides a building electrical fire risk assessment and prediction method based on artificial intelligence, and the method comprises the steps: collecting an infrared image when a heating source works, and converting the infrared image into a gray image; determining a guide parameter of each window after noise reduction based on texture information of the grayscale image; performing image enhancement processing on the infrared image by using the guide parameter; and determining whether a fire risk exists based on the enhanced infrared image. According to the method, the guide parameters after noise reduction are calculated by taking the grayscale image as the guide image, and then the infrared image is enhanced, so that the image enhancement effect can be improved, and the accuracy of fire assessment can be improved.

Подробнее
13-06-2023 дата публикации

Distributed photovoltaic access protection equipment and use method thereof

Номер: CN116260111A
Принадлежит:

The invention belongs to the field of photovoltaic system protection equipment, and particularly relates to distributed photovoltaic access protection equipment and a use method thereof.The protection equipment comprises a box body, electrical equipment is installed in the box body, a combustible rope is arranged above the electrical equipment, one end of the combustible rope is fixedly arranged, and the other end of the combustible rope is connected with a trigger assembly; the triggering assembly comprises a limiting part and an elastic mechanism, the limiting part limits sliding of the sliding rod and is connected with the elastic mechanism in a compressed state, the elastic mechanism is connected with a combustible rope, one end of the sliding rod is connected with a driving mechanism and used for pushing the sliding rod to slide, the other end of the sliding rod is connected with one end of a connecting rod, the connecting rod is rotatably arranged, and the other end of the connecting ...

Подробнее
05-05-2023 дата публикации

Ship broadside automatic derusting execution device

Номер: CN116061093A
Принадлежит:

The invention discloses a ship broadside automatic rust removal execution device which comprises two sets of rust removal mechanisms arranged on the two sides of a dock bottom correspondingly. The derusting mechanism comprises a mounting mechanism and a spraying mechanism; the mounting mechanism comprises a longitudinal mounting unit and a transverse mounting unit; the spraying mechanism comprises an ice making device, a high-pressure spraying device and a spraying head, a discharging port of the ice making device is connected with the high-pressure spraying device through a pipeline, and a spraying outlet of the high-pressure spraying device is connected with the spraying head through a hose; after the ship is parked in the dock bottom, the two sides of the ship are derusted through the derusting mechanisms on the two sides correspondingly; transverse adjustment, longitudinal adjustment and angle adjustment of the injector head are achieved through cooperation of the second adjusting mechanism ...

Подробнее
11-04-2023 дата публикации

Assessment zoning method and device for strong wind disaster risk, electronic equipment and medium

Номер: CN115953034A
Принадлежит:

The invention provides an assessment zoning method and device for strong wind disaster risk, electronic equipment and a medium, and relates to the technical field of meteorological disaster prevention and reduction, and the method comprises the steps: obtaining meteorological data and land type coverage data of a to-be-assessed target region; determining a gale disaster-causing factor according to the meteorological data, and determining a disaster-pregnant environment factor according to the land type coverage data; determining a target risk index corresponding to the target area based on the strong wind disaster-causing factor and the disaster-pregnant environment factor; and determining a gale risk zoning result corresponding to the target area according to the target risk index. According to the method, the applicability of the assessment zoning method for the strong wind disaster risk in different environments can be effectively improved, and the accuracy of assessment zoning of the ...

Подробнее
07-04-2023 дата публикации

Power distribution automation terminal protection switching method and device and related equipment

Номер: CN115940102A
Принадлежит:

The invention discloses a power distribution automation terminal protection switching method and device and related equipment. The method comprises the steps that whether a 5G communication module of a power distribution automation terminal is abnormal or not is detected based on TCP heartbeat; if yes, the protection mode is set to be short-time-delay voltage and current protection, and parameters of the short-time-delay voltage and current protection follow a preset first fixed value area; detecting whether the 5G communication module of the power distribution automation terminal returns to normal or not based on TCP heartbeat; if yes, the protection mode is set to be differential protection based on 5G communication and long-time-delay voltage and current type protection, and parameters of the long-time-delay voltage and current type protection follow a preset second fixed value area; wherein the time parameter in the first fixed value area is smaller than or equal to the time parameter ...

Подробнее
14-07-2023 дата публикации

Multipurpose 10kV switch cabinet transfer trolley

Номер: CN116424407A
Принадлежит:

The invention discloses a multi-purpose 10kV switch cabinet transfer trolley. The multi-purpose 10kV switch cabinet transfer trolley comprises a base, a lifting assembly and a tray. Pulleys are arranged at the bottom of the base; the lifting assembly comprises a cross rod frame, a telescopic rod and a cross beam; the two cross rod frames are arranged on the two sides of the base correspondingly. The top and the bottom of the cross rod frame are connected with the tray and the base respectively. An inclined groove is formed in the cross rod frame; a limiting piece is arranged in the chute; the two ends of the cross beam are arranged in the inclined grooves of the two cross rod frames in a sliding mode respectively. The limiting piece is used for limiting sliding of the cross beam when abutting against the cross beam; and the other end of the telescopic rod is connected with the base. By arranging the inclined groove, the cross beam can slide to adjust the slope of the telescopic rod, so ...

Подробнее
26-05-2023 дата публикации

Multipurpose CT terminal short circuit tool

Номер: CN116169533A
Принадлежит:

The invention discloses a multipurpose CT terminal short-circuit tool which comprises a short-circuit pen, a contact, a clamping seat and a short-circuit bar. The short-circuit pen comprises a rod sleeve and a pen rod; one end of the pen holder is slidably sleeved in the rod sleeve; a first insulating cover is arranged on the pen holder, and a short circuit hole is formed in the pen holder; the contact is detachably arranged at the other end of the pen holder; the clamping seat is made of an elastic material, and a plurality of grooves which are arranged in parallel at intervals are formed in the clamping seat; a plurality of short-circuit contact fingers are arranged on the short-circuit bar, and the short-circuit bar is electrically connected with the grounding lead; the short-circuit contact finger is used for being inserted into the short-circuit hole so that the short-circuit bar can be electrically connected with the short-circuit pen. Wherein the clamping seat can be used for clamping ...

Подробнее
05-05-2023 дата публикации

FY-4A aerosol optical thickness inversion method, device, equipment and medium

Номер: CN116067857A
Принадлежит:

The invention provides an FY-4A aerosol optical thickness inversion method and device, equipment and a medium, and relates to the technical field of satellites, and the method comprises the steps: obtaining the full-disc data of an FY-4A preset time period, and reading the actual measurement data under a specified wave band; based on a pre-configured aerosol optical thickness lookup table, performing atmospheric correction on the actually measured data under the specified wave band to obtain a target surface reflectance corresponding to the specified wave band; and according to the target surface reflectance corresponding to the specified wave band, carrying out multi-process inversion processing on the aerosol optical thickness to obtain a target aerosol optical thickness corresponding to the specified wave band. According to the invention, surface reflectance estimation errors caused by different satellite sensors are reduced, the inversion accuracy of the FY-4A aerosol optical thickness ...

Подробнее
18-04-2023 дата публикации

High-pressure abrasive water jet rust removal device and rust removal process

Номер: CN115972104A
Принадлежит:

The invention discloses a high-pressure abrasive water jet rust removal device and a rust removal process, and relates to the field of rust removal. The high-pressure water is conveyed into the nozzle through the high-pressure pipeline, the abrasive material is conveyed into the nozzle through the material conveying pipeline, and the high-pressure water and the abrasive material are mixed in the nozzle and then sprayed to a workpiece through the abrasive material nozzle; and the workpiece is arranged on the three-coordinate moving platform. According to the process, a high-pressure abrasive water jet device is adopted, and process parameters including injection pressure, target distance, nozzle relative movement speed, abrasive flow, incident angle and derusting path interval are set. According to the method, by setting the technological parameters influencing rust removal, the rust removal part which is smooth in workpiece surface and meets the machining requirement or the use requirement ...

Подробнее
07-07-2023 дата публикации

Voltage and current type feeder automation fault processing method based on circuit breaker

Номер: CN116404618A
Принадлежит:

The invention relates to the technical field of power grid fault processing, and discloses a voltage and current type feeder automation fault processing method based on a circuit breaker, and the method can reduce the operation times of an outgoing line switch through the tripping and reclosing of a first-stage switch of a large branch line when the large branch line has a fault, and enables the users affected by power failure not to be the users of the whole line any more. And the power failure range is effectively reduced for users on a large branch line, and when a fault occurs in the branch line, the first-stage switch of the branch line trips and coincides, so that the power failure range is further reduced. Due to the fact that the first-stage switch of the large branch line is provided with overcurrent protection instead of no-voltage protection, the series connection stage number of the voltage type switches on the line is reduced, the fault isolation accuracy of distribution network ...

Подробнее
07-04-2023 дата публикации

High-pressure water jet rust removal waste recovery device

Номер: CN115925020A
Принадлежит:

The invention relates to a high-pressure water jet rust removal waste recovery device which comprises at least two self-cleaning filters connected in parallel, at least two permeation evaporators connected in parallel, a condenser, a vacuum tank, a sewage pump set, a water pump set and a valve set. A sewage draining exit of the self-cleaning filter and a hot material liquid outlet of the permeation evaporator are connected with a waste tank through a sewage draining pump set, a steam outlet of the permeation evaporator is connected with a condenser, and a heat exchange system is arranged between the condenser and a hot material liquid cavity of the permeation evaporator. The valve group is used for controlling independent or combined use of the parallel self-cleaning filter and the parallel permeation evaporator, shutdown for pollution discharge is not needed, continuity and efficiency of treatment of the device are guaranteed, substances in wastewater are efficiently removed, water recycling ...

Подробнее
06-06-2023 дата публикации

Treatment device for mining blasting of underground mine

Номер: CN116222330A
Принадлежит:

The invention discloses a processing device for underground mine mining blasting, which comprises a bracket, a tray is vertically and fixedly connected to the end part of the bracket, blasting articles are placed on the tray, a hinge shaft is arranged at the other end of the bracket, a telescopic rod is fixedly connected to the other end of the bracket, and a fan-shaped guide frame is fixedly arranged between the telescopic rod and the bracket; a sliding groove is formed in the fan-shaped guide frame, a telescopic support is hinged to the hinge shaft, a guide pin is arranged on the telescopic support, the guide pin slides along the sliding groove, and a pull rope is further connected to the guide pin. According to the invention, the safety of underground mine operating personnel can be ensured, the abnormity can be effectively handled, and the personnel injury and other safety risks caused by the abnormity can be avoided.

Подробнее
25-04-2023 дата публикации

Fire protection method, device and equipment for electrochemical energy storage system

Номер: CN116013049A
Принадлежит:

The invention discloses a fire protection method, device and equipment for an electrochemical energy storage system, and the method comprises the steps: responding to a received protection request, and collecting a plurality of groups of monitoring data of the electrochemical energy storage system through a comprehensive monitoring module; corresponding early warning strategies are selected for polling according to each group of monitoring data, and a plurality of polling results are generated; all polling results are responded, corresponding reminding operation is executed through an audible and visual alarm, and whether protection operation is executed or not is determined; and if the execution is determined, the protection operation is executed through the deflation no-entry indicator lamp and the fire suppression module. In the whole fire protection process of the electrochemical energy storage system, multi-dimensional judgment is carried out through multi-parameter coupling, and the ...

Подробнее
23-06-2023 дата публикации

Low-voltage direct-current flexible micro-grid control method and control system thereof

Номер: CN116316778A
Принадлежит:

The invention discloses a low-voltage direct-current flexible micro-grid control method and system, and the method comprises the steps: sequentially collecting the real-time low-voltage and direct-current transmission dynamic information of a current micro-grid in a set period and a specific set period before the set period in the set period; when the low-voltage and direct-current values of the current microgrid corresponding to the real-time low-voltage and direct-current transmission dynamic information are judged to be normal, generating current normal low-voltage and direct-current transmission dynamic information according to the real-time low-voltage and direct-current transmission dynamic information; judging whether the current actual low pressure and direct current quantity are normal or not, and if yes, generating low pressure and direct current quantity dynamic trend information of a set period; and judging whether the low-voltage and direct-current quantity dynamic trend information ...

Подробнее
02-05-2023 дата публикации

Boiling dryer for preparing metformin hydrochloride tablets

Номер: CN116045609A
Принадлежит:

The fluidized drying machine comprises a fluidized drying tank, the inner wall of the fluidized drying tank is fixedly connected with a screening net, and a rotary drying assembly is arranged between the top and the interior of the fluidized drying tank; a rolling assembly is arranged at the bottom of the rotary drying assembly and located in the boiling drying tank, the rolling assembly makes contact with the top of the screening net, a driving assembly is arranged at the top of the boiling drying tank, and a worm can be driven to rotate through a driving motor; worms can drive rotating shafts to rotate through transmission of a first transmission roller, a second transmission roller and a conveying belt, two rotating shafts drive two sleeving pipes to rotate in different directions through meshing of two gears, and therefore multiple raising plates repeatedly raise medicine powder and dry the medicine powder through the hot air. And therefore, the medicine powder is repeatedly dried, ...

Подробнее
13-06-2023 дата публикации

Software and hardware protection device based on flexible direct-current micro-grid electrolytic aluminum system

Номер: CN116260060A
Принадлежит:

The invention belongs to the field of power grid protection devices, and particularly relates to a software and hardware protection device based on a flexible direct current micro-grid electrolytic aluminum system, which comprises a box body, a temperature detection device is arranged in the box body, a plurality of mounting plates are arranged in the box body, the plurality of mounting plates are distributed side by side in the vertical direction, and mounting holes are formed in the mounting plates for mounting electrical equipment. The electrical equipment is located on one side of the mounting plates, the other sides of the mounting plates are detachably connected with cooling plates respectively, the cooling plates are of hollow structures, refrigerants are arranged in the cooling plates, and the cooling plates are sequentially communicated end to end and communicated with a refrigerating system. Aiming at the requirements of continuity and stability in a flexible direct-current micro-grid ...

Подробнее
16-05-2023 дата публикации

Portable magnetite prospecting device

Номер: CN116125542A
Принадлежит:

The invention discloses a portable magnetite prospecting device which is composed of a magnetic probe, a connecting screw and a telescopic rod, the magnetic probe is composed of a coil box, a copper coil, a film pressure sensor and an iron core, the coil box is provided with an inner wall and an outer wall, the inner wall and the outer wall form a concentric cylinder, the iron core is installed in the center of the coil box to form an electromagnet, and the telescopic rod is connected with the connecting screw. The thin film pressure sensor is attached to the inner wall of the coil box, a copper coil is arranged in an annular space outside the thin film pressure sensor close to the outer wall of the coil box, the thin film pressure sensor is connected with the electronic handbook through a wire, and length scales are arranged on a rod body of the telescopic rod.

Подробнее
11-04-2023 дата публикации

Geotextile trimming device

Номер: CN115947169A
Принадлежит:

The invention discloses a geotechnical cloth edge cutting device which comprises a frame body and an edge cutting and coiling unit arranged on the frame body and further comprises a tension adjusting unit, the edge cutting and coiling unit and the tension adjusting unit are sequentially arranged on the frame body in the moving stroke direction of geotechnical cloth, and the tension adjusting unit comprises a telescopic mechanism. A tension roller used for abutting against the geotechnical cloth is rotationally arranged at the output end of the telescopic mechanism, a pressure detection assembly is arranged on the surface of the tension roller, and the pressure detection assembly is used for detecting the pressure applied to the tension roller in the moving stroke of the geotechnical cloth; the telescopic mechanism controls the movement of the tension roller based on a detection signal of the pressure detection assembly; the pressure detection assembly is arranged on the tension roller, ...

Подробнее
26-05-2023 дата публикации

Fire fighting truck dry powder injection system and method and fire fighting truck

Номер: CN116159266A
Принадлежит:

The embodiment of the invention provides a fire fighting truck dry powder injection system and method and a fire fighting truck, and belongs to the field of fire fighting equipment. The fire fighting truck comprises multiple sections of lifting arms, and the system comprises a gas making device used for making pressure gas used for driving dry powder; the dry powder tank is connected with the gas making device through a gas making pipeline and used for storing dry powder; the fire monitor is used for spraying dry powder; each gas-powder pipeline is fixed to the corresponding lifting arm, an energy accumulator is arranged at the end, close to the dry powder tank, of each gas-powder pipeline, the gas-powder pipelines are used for conveying dry powder in the dry powder tank to the fire monitor, and the energy accumulators are used for filling pressure gas into the gas-powder pipelines; and the supercharging device is connected with the gas making device and is connected with each energy accumulator ...

Подробнее
21-07-2023 дата публикации

Pitot tube pump capable of carrying out continuous oil-water separation

Номер: CN116462270A
Принадлежит:

The invention provides a pitot tube pump capable of carrying out continuous oil-water separation, which comprises a rotating main shaft, a rotating part, a static shell and pitot tubes, the number of the pitot tubes is two, the two pitot tubes are L-shaped, the vertical sections of the pitot tubes are arranged in the rotating part, and the horizontal parts of the pitot tubes extend along the direction deviating from the rotating main shaft; the vertical parts of the two pitot tubes are different in length, separated liquid inlets are formed in the ends of the vertical parts of the pitot tubes, and in the working state, the separated liquid inlets of the two pitot tubes are located on the two sides of an oil-water interface respectively in the direction opposite to the rotating direction of the rotating main shaft. The pitot tube pump is of a single-stage structure, the number of parts is small, the structure is simple and reliable, the size is compact, the parts are easier to replace, and ...

Подробнее
18-04-2023 дата публикации

Fire extinguishing system for fire fighting truck and fire fighting truck

Номер: CN115970207A
Принадлежит:

The invention discloses a fire extinguishing system for a fire fighting truck and the fire fighting truck, and the fire extinguishing system comprises an inert gas generator used for generating inert gas; the inlet end of the first conveying pipeline is connected with the outlet end of the inert gas generator; the inlet end of the fire extinguishing agent spraying assembly is connected with the outlet end of the first conveying pipeline; the first pressure detector is used for detecting the internal pressure of the fire extinguishing agent spraying assembly; the throttle valve is connected with the first conveying pipeline; the controller is in communication connection with the first pressure detector and the throttling valve and is configured to control the inert gas generator to input inert gas into the fire extinguishing agent spraying assembly; determining that the pressure in the fire extinguishing agent spraying assembly reaches a first preset pressure value; and the throttle valve ...

Подробнее
30-06-2023 дата публикации

Abrasive water jet ship repairing and rust removing equipment

Номер: CN116352612A
Принадлежит:

The invention relates to abrasive water jet ship repair rust removal equipment which comprises a rust removal shell, a spray pipe assembly capable of rotating in the rust removal shell and a plurality of spray head assemblies, the rust removal shell comprises an upper shell and a lower shell, the spray pipe assembly comprises an inner pipe, a middle pipe and an outer pipe, and each spray head assembly comprises a first high-pressure water pipe, a second high-pressure water pipe, an abrasive pipe and a spray nozzle. A first high-pressure water cavity is arranged in the inner pipe, in the first high-pressure water pipe and between the second high-pressure water pipe and the nozzle, a second high-pressure water cavity is arranged between the upper shell and the middle pipe, between the middle pipe and the inner pipe and in the second high-pressure water pipe, and abrasive cavities are arranged between the lower shell and the outer pipe, between the outer pipe and the middle pipe and in the ...

Подробнее
11-04-2023 дата публикации

Heat-preservation pressure-bearing controllable ice mixing device and using method thereof

Номер: CN115946050A
Принадлежит:

The invention provides a heat-preservation pressure-bearing controllable ice mixing device and a using method thereof, and belongs to the technical field of abrasive jet flow, the device comprises an ice storage bin, an ice mixing bin communicated with the ice storage bin, and a spiral conveying shaft arranged in the ice storage bin and the ice mixing bin. An air inlet and a spraying outlet which are horizontally communicated are formed in the side wall of the ice mixing bin, the top end of the ice storage bin and the bottom of the ice mixing bin are sealed through a first gland and a second gland, the upper end and the lower end of the spiral conveying shaft are fixed to the glands, and spiral blades extending into the ice storage bin and the ice mixing bin are arranged on the spiral conveying shaft and are responsible for conveying ice particles in the ice storage bin into the ice mixing bin; the lower end of the spiral conveying shaft is in circuit connection with the control motor through ...

Подробнее
05-05-2023 дата публикации

Ultrahigh-pressure reciprocating pump and filler replacement process thereof

Номер: CN116066560A
Принадлежит:

The ultrahigh-pressure reciprocating pump comprises a power assembly, a hydraulic assembly and a sealing assembly, the power assembly comprises a plunger and a middle rod, the hydraulic assembly comprises a cylinder body and a liquid inlet valve box arranged in the middle of the cylinder body, and the sealing assembly is partially inserted into the cylinder body. The sealing assembly is detachably and fixedly connected with the cylinder body; a center channel is formed in the middle of the cylinder body and the sealing assembly, the plunger penetrates through the liquid inlet valve box and the sealing assembly along the center channel, and the end, extending out of the sealing assembly, of the plunger is detachably and fixedly connected with one end of the middle rod. When the packing needs to be replaced, under the condition that the cylinder body is not disassembled, the plunger and the middle rod can be separated independently, the sealing assembly is disassembled integrally, and sealing ...

Подробнее
21-04-2023 дата публикации

Electrolytic aluminum system based on flexible direct current microgrid

Номер: CN115992372A
Принадлежит:

The invention discloses an electrolytic aluminum system based on a flexible direct current micro-grid, and the system employs an electrolytic aluminum temperature electrochemical reaction assembly current adjustment and cloud monitoring transmission technology. The flexible DC micro-grid operation monitoring current obtained by the flexible DC micro-grid current adjustment and cloud monitoring management module is adjusted and subjected to cloud monitoring, the flexible DC micro-grid monitoring current is adjusted and subjected to cloud monitoring, and the engineer operation current is adjusted and subjected to cloud monitoring; the flexible direct current micro-grid electrolytic aluminum state current adjustment and cloud monitoring and the high-precision electrolytic aluminum temperature optimization and cloud monitoring are transmitted to the current adjustment big data judgment and adjustment module through the electrolytic aluminum temperature electrochemical reaction assembly, and ...

Подробнее
25-04-2023 дата публикации

Ice particle pressure container and ice particle spraying rust removal system

Номер: CN116000822A
Принадлежит:

The invention discloses an ice particle pressure container which comprises an upper tank body, a middle tank body and a lower tank body which are communicated with one another, the upper tank body and the lower tank body are separated through a third valve, the middle tank body is separated from the upper tank body and the lower tank body through a fourth valve and a sixth valve, continuous operation is achieved, and ice particles can be supplemented without shutdown. The ice particle spraying rust removal system comprises the ice particle pressure container, and further comprises an air compressor, an air storage tank, a precooler, a refrigerating machine and an ice particle making device, fresh water is cooled through preliminarily cooled air and then cooled through secondarily cooled air to make ice, then the ice particles are cooled in the ice particle pressure container, cooling is carried out for multiple times, and the ice particles are sprayed out of the ice particle pressure container ...

Подробнее
04-08-2023 дата публикации

Fatigue test and evaluation method for chamfer of pultrusion plate of wind power blade

Номер: CN116539457A
Принадлежит:

The invention belongs to the technical field of pultrusion plate chamfer fatigue performance testing of wind power blade girders, and discloses a wind power blade pultrusion plate chamfer fatigue test evaluation method, which specifically comprises the following steps: S1, firstly, adopting raw materials such as a pultrusion plate, glass fabric and plain cloth consistent with an experimental sample, preparing a sample according to actual layering and vacuum infusion processes of a blade tip girder area of a test sample; theoretical loading force under each cycle index is obtained through an equivalent load method, different failure cycle indexes of the pultrusion plate are obtained through different theoretical loading force tests, so that an epsilon-N curve of the pultrusion plate is drawn, theoretical strain epsilon 0 under the design cycle index N0 is obtained through finite element simulation analysis, and the failure cycle index of the pultrusion plate is calculated through comparison ...

Подробнее
30-06-2023 дата публикации

Photovoltaic module hot spot detection method and system and electronic equipment

Номер: CN116363075A
Принадлежит:

The invention provides a photovoltaic module hot spot detection method and system and electronic equipment, and relates to the field of image information detection. The method comprises the following steps: acquiring an infrared image of a to-be-detected photovoltaic module as a to-be-detected image; inputting the to-be-detected image into the hot spot detection model, and determining a hot spot detection result of the to-be-detected image; the hot spot detection model is obtained by training an initial hot spot detection model by using a historical infrared image annotation set of the photovoltaic module; the initial hot spot detection model comprises a feature extraction backbone network, an attention mechanism module and a YOLOv7 neural network which are connected in sequence. According to the invention, the attention mechanism is combined with the YOLOv7 neural network, so that the hot spot detection of the photovoltaic module can be completed, and the precision and efficiency of the ...

Подробнее
04-08-2023 дата публикации

Scum region area calculation method and device, equipment and storage medium

Номер: CN116542949A
Принадлежит:

The invention discloses a scum region area calculation method and device, equipment and a storage medium, and belongs to the technical field of image processing. The method comprises the following steps: acquiring panoramic image data of a hydropower station reservoir area; determining a scum area of the hydropower station reservoir area according to the panoramic image data; and determining the area of the scum area. Through the above mode, the image-based automatic calculation method for the scum area of the reservoir area of the hydropower station realizes the calculation of the area of a long-distance large-scale object, and improves the working efficiency while reducing the labor cost.

Подробнее
11-04-2023 дата публикации

Ice particle instant preparation device and use method thereof

Номер: CN115946049A
Принадлежит:

The invention discloses an ice particle instant preparation device and a using method thereof.The ice particle instant preparation device comprises a water tank, a water atomization nozzle communicated with the water tank through a high-pressure pipeline, a self-pressurization liquid nitrogen tank provided with a pressurization valve, a liquid nitrogen atomization nozzle set communicated with the self-pressurization liquid nitrogen tank through a low-temperature-resistant liquid nitrogen pipeline and an ice making bin; the liquid nitrogen atomizing nozzle group is arranged to comprise the liquid nitrogen atomizing nozzles which enable atomized liquid nitrogen droplets to be uniformly dispersed in the ice making bin in the vertical direction and the circumferential direction, so that the atomized liquid nitrogen is more uniformly dispersed in the ice making bin in the vertical direction and the circumferential direction; the cooling effect of the ice making bin is improved, the direct contact ...

Подробнее
09-05-2023 дата публикации

Self-assembled oxidation mimic enzyme material as well as preparation method and application thereof

Номер: CN116082565A
Автор: WANG ZHENGANG, LIU YUANXI
Принадлежит:

The invention discloses a self-assembly oxidation mimic enzyme material which is formed by self-assembly of amino acid covalently connected with a hydrophobic group, an amino acid derivative covalently connected with the hydrophobic group, polypeptide covalently connected with the hydrophobic group or alkyl diamine covalently connected with the hydrophobic group and copper ions. The hydrophobic groups are straight-chain alkyl with the carbon atom number of 1-8 and derivatives thereof, branched-chain alkyl with the carbon atom number of 1-18 and derivatives thereof, benzyl and derivatives thereof, and polycyclic aromatic hydrocarbon and derivatives thereof; the amino acid derivative is histidine, arginine, lysine, methionine or cysteine, and the chiral configuration of the amino acid derivative is L-type or D-type; the polypeptide contains histidine, methionine, lysine, arginine or cysteine, and the length of the polypeptide is 2-40 peptide; the alkyl diamine is ethylenediamine, propane ...

Подробнее
25-04-2023 дата публикации

Intelligent environment monitoring system and method for high-voltage chamber of transformer substation

Номер: CN116007675A
Принадлежит:

The invention discloses an intelligent environment monitoring system and method for a high-voltage chamber of a transformer substation. The system comprises a supporting assembly and a monitoring assembly. The supporting assembly comprises a high-voltage chamber and a chamber door. A mounting cavity is formed in the high-pressure chamber; the chamber door is arranged on the high-voltage chamber in a turnover manner; the monitoring assembly comprises a concentric-square-shaped pipe, a hose, a monitoring box, a humidity sensor, an air pump, a heating wire and a controller. The concentric-square-shaped pipe is arranged on the inner circumference of the first concentric-square-shaped plate, and a first electromagnetic valve communicating with the interior of the concentric-square-shaped pipe is arranged on the concentric-square-shaped pipe; the hose is arranged in the mounting cavity, and a second electromagnetic valve communicated with the inside of the hose is arranged on the hose; the monitoring ...

Подробнее
12-05-2023 дата публикации

Contact resistance analysis method of single-core cable joint and related device

Номер: CN116108741A
Принадлежит:

The invention discloses a contact resistance analysis method of a single-core cable joint and a related device. A single-core cable joint contact resistance sensing mode is expanded and improved, a cable contact resistance inversion sensing model is developed based on an SVM (Support Vector Machine) algorithm, inversion model parameters are optimized by using a BA (Bat) algorithm, and the accuracy of model inversion is improved. According to the method, the surface hot spot temperature of the single-core cable joint monitored in real time on an actual site is utilized to perform interval rapid judgment on the contact resistance of the cable joint, so that the sensing process and flow of the contact resistance of the single-core cable joint on the industrial site are greatly simplified, and serious missed judgment or misjudgment of the thermal fault of the single-core cable joint during industrial application is reduced. Therefore, the technical problem that online monitoring cannot be realized ...

Подробнее
11-04-2023 дата публикации

Photovoltaic cell, photovoltaic module and preparation method of photovoltaic cell

Номер: CN115954404A
Принадлежит:

The invention relates to a photovoltaic cell, a photovoltaic module and a preparation method of the photovoltaic cell. The photovoltaic cell piece comprises a semiconductor substrate, the semiconductor substrate comprises a first surface and a second surface which are oppositely arranged in the thickness direction of the semiconductor substrate, and the first surface is located on the side, facing sunlight, of the semiconductor substrate; the first surface is provided with a plurality of first pyramid type microstructures, the second surface is provided with a plurality of platform type microstructures, the platform type microstructures are provided with a plurality of second pyramid type microstructures, the platform type microstructures are further provided with tunneling oxide layers, and the tunneling oxide layers are provided with doped conducting layers. When metal slurry is printed on the second surface to prepare a grid line, the metal slurry can be filled into a gap between the ...

Подробнее
15-08-2023 дата публикации

Vehicle starting control method, system and equipment and storage medium

Номер: CN116588074A
Принадлежит:

The invention discloses a vehicle starting control method, system and device and a storage medium, and the method comprises the steps: obtaining a first starting signal, and detecting the working state of a power battery in a vehicle according to the first starting signal; if the working state of the power battery is abnormal, starting priority information is obtained, and a second starting signal is sent to a corresponding starting auxiliary module according to the starting priority information; and the second starting signal is received through the starting auxiliary module, and the range extender and the upper high voltage are started according to the second starting signal, so that the vehicle enters a starting preparation state. Under the condition that the power battery is abnormal, the range extender is started and the high voltage is increased through the starting auxiliary module, and the technical effect of improving the reliability of the vehicle is achieved.

Подробнее
25-04-2023 дата публикации

Environment-friendly efficient rust removal device

Номер: CN116000823A
Принадлежит:

The invention discloses an environment-friendly efficient rust removal device which comprises ice particle manufacturing equipment and a high-pressure spraying device. The ice particle manufacturing equipment comprises a machine body, liquid nitrogen atomizing equipment and a water spraying mechanism; an inclined discharging plate is arranged at the bottom of the machine body and divides the interior of the machine body into an ice making area and a liquid discharging area; an ice particle outlet in the side wall of the machine body is connected with a high-pressure jetting device through an ice particle pipeline, environment-friendly and efficient rust removal is achieved, the ice particle manufacturing equipment continuously produces and prepares ice particles, the ice particles are conveyed to the high-pressure jetting device to be mixed with high-pressure gas and then jetted out, the jetted high-pressure gas jets the ice particles to the rust surface of a ship, oxide skin on the surface ...

Подробнее