134results about How to "Wide coverage" patented technology

The invention belongs to the cross technical field of remote sensing data processing and soil environment monitoring, and discloses a multi-source remote sensing collaborative soil quality index inversion and comprehensive evaluation system and method, and the method comprises the following steps: obtaining different types of remote sensing data in a target area, and constructing a multi-source data set; the acquired multi-source remote sensing data are preprocessed, data noise and system errors are eliminated, and data consistency is ensured; performing multi-source remote sensing data fusion by adopting a spectrum-polarization-texture collaborative fusion strategy in combination with a multi-scale decomposition and weighted fusion model; based on the fusion data, constructing a machine learning inversion model, and inverting soil quality key indexes; and carrying out comprehensive evaluation on the soil quality by adopting an analytic hierarchy process-matter element extension model to realize grading of the soil quality. By adopting the multi-source remote sensing collaborative soil quality index inversion and comprehensive evaluation system and method disclosed by the invention, rapid, accurate, large-area and dynamic monitoring and comprehensive evaluation of soil quality are realized.

The invention discloses an underground engineering structure total space deformation analysis method based on a multi-depth camera array, and relates to the field of space deformation, and the method comprises the steps: employing the multi-depth camera array to collect a depth image and a color image of an underground engineering structure, and generating an alignment depth image of each depth camera; performing internal reference calibration on the depth camera, and converting an aligned depth image of the depth camera into three-dimensional color point cloud data of the depth camera; performing external parameter calibration on each depth camera to obtain an optimized transformation matrix from each slave camera to the master camera; transforming the three-dimensional color point cloud data of each subordinate camera to a coordinate system of the main camera by adopting an optimized transformation matrix to obtain a three-dimensional model of the underground engineering structure; and determining corresponding point pairs in the three-dimensional model obtained in different periods, and calculating the Euclidean distance between the corresponding point pairs to realize the full-space deformation analysis of the underground engineering structure. According to the invention, low-cost and high-precision underground engineering deformation monitoring is realized.

The utility model relates to fertilizing device's technical field especially relates to a kind of fertilizer granule feeding equipment, it can set the number of discharge hole according to need, covering width is larger, it is not required power supply when feeding, energy consumption reduces, including fertilizer box, box cover and connecting component, the inside of fertilizer box is provided with fertilizer chamber, the upper end surface of fertilizer box is provided with the feeding opening being communicated with fertilizer chamber, box cover is hinged on feeding opening, connecting component is installed on fertilizer box, it further includes feeding chute, shaft, arc baffle and lever assembly, the bottom of fertilizer box is provided with the feeding chute that protrudes downward, multiple discharge holes are provided on feeding chute, the both ends of shaft are rotatably connected with the left and right side walls of fertilizer box, arc baffle is rotatably installed in feeding chute, arc baffle shields multiple discharge holes of feeding chute, arc baffle is connected with shaft, the upper end of lever assembly is connected with the end of shaft, lever assembly is located outside fertilizer box, the lower end of lever assembly extends below fertilizer box.

The invention discloses a preparation method and application of athlete-derived bifidobacterium probiotics for intestinal barrier repair, and relates to the technical field of biochemistry and microorganisms, and the preparation method comprises the steps of special bacteria source sampling, directional separation and purification, molecular biological identification, antibiotic sensitivity evaluation and injury repair verification. According to the preparation method and application of the sportsman-derived bifidobacterium probiotics for repairing the intestinal barrier, the sportsman intestinal flora is used as an exclusive bacterial source, and the unique metabolic elite attribute and stress adaptability of the sportsman intestinal flora are utilized to directionally screen and obtain a bifidobacterium strain adaptive to an extreme physiological stress environment; the bottleneck that conventional probiotics are only suitable for a common physiological environment and the survival rate and activity in a stress state are greatly reduced is broken through, high survival rate and metabolic activity can be kept in extreme environments such as exercise heat stress and the like, and accurate repair of intestinal barriers is realized through multiple mechanisms; meanwhile, an exclusive screening, identification and safety evaluation system is established, so that the safety and functional specificity of the strain are ensured.

The invention discloses a tomography and targeted energy thermal therapy system and method based on an acousto-optic coupling functional film layer, and relates to the technical field of noninvasive medical diagnosis and treatment. The system comprises an intelligent processing carrier, an acousto-optic coupling function film layer, a scanning mechanism, an energy treatment module and a processing and temperature control module. The intelligent processing carrier at least comprises a 20Hz-20kHz audio unit, a pickup unit, an optical signal unit and a processor; the acousto-optic coupling functional film layer is of a single physical structure and is inseparable, acoustic frequency conversion focusing imaging and targeted warm delivery at 42-47 DEG C are achieved in the same physical area in a time-sharing mode, the acoustic processing layer achieves 1000-8000 frequency doubling through a multi-stage resonance microcavity array, and the echo signal-to-noise ratio is larger than or equal to 15 dB; the scanning mechanism comprises a plurality of modes such as rotation, translation, multi-device array, human body movement, local limb movement, human body bearing support device movement and the like; the energy forms cover all types of light, electromagnetism, radio frequency and the like capable of generating a warm effect, including but not limited to non-contact or contact energy delivery modes. The traditional Chinese medicine composition is suitable for tumors, infections, inflammations, and all lesions sensitive to temperature of 42-47 DEG C including nervous system lesions such as amyotrophic lateral sclerosis, Alzheimer's disease, Parkinson's disease, multiple sclerosis and the like, is low in cost, free of radiation and easy to popularize, and has extremely high creativity and practical value.

This invention discloses a method for autonomously constructing an evolvable knowledge graph by integrating a multimodal large-scale model, relating to the fields of artificial intelligence and knowledge graph technology. The method includes: collecting raw multimodal data from text, images, audio, and structured tables; using a pre-trained multimodal understanding large-scale model to perform unified semantic encoding on the raw multimodal data, generating modality-independent deep feature vectors to form an initial multimodal feature pool; performing cross-modal clustering analysis on the vectors in the feature pool, grouping semantically similar vectors into the same feature cluster, with each feature cluster defined as a candidate knowledge concept node; constructing an initial concept relationship network based on the co-occurrence relationship and feature similarity between candidate concept nodes; iteratively optimizing and evolving the network according to preset graph quality evaluation indicators, outputting the final evolvable knowledge graph. This invention achieves the autonomous and unified construction and evolution of a knowledge graph from multimodal data.

The application discloses a network protocol fuzzy test seed evaluation method and device based on multi-standard combination weighting. In order to realize multi-standard combination weighting, first, evaluation indexes for measuring the value of a network protocol fuzzy test seed are selected, including basic evaluation indexes, future potential indexes and network protocol related indexes. Then, pre-fuzzy testing is performed to obtain item evaluation index values of sample seeds. Based on the evaluation index values, an entropy weight method is used to determine first weights of all evaluation indexes, and a maximum deviation method is used to determine second weights of all evaluation indexes. The evaluation weights of the evaluation indexes are determined by comprehensively considering the first weights and the second weights. According to the evaluation weights, all evaluation index values of the sample seeds are integrated to obtain evaluation values of the sample seeds. The application can improve the network protocol information utilization rate, thereby ensuring the stability of the seed selection process, improving the overall quality of the selected seeds, and further improving the efficiency of the fuzzy test and the vulnerability discovery capability.

Disclosed are a circuit board for a battery monitoring circuit and a wire harness for connection therewith. The battery monitoring circuit includes first to (M+1)-th voltage sensing pins, and has an operating condition that a voltage is applied to (M-N+1) to (M+1)-th voltage sensing pins among the first to (M+1)-th voltage sensing pins. The circuit board includes first to (M+1)-th conducting patterns formed electrically separably from each other, and electrically connected, at an end, to the first to (M+1)-th voltage sensing pins, respectively, a relay conducting pattern, wherein an end of the relay conducting pattern is electrically connected to (M-N+1)-th conducting pattern electrically connected to the (M-N+1)-th voltage sensing pin among the first to (M+1)-th conducting patterns, first to (M+1)-th board terminals, each of the first to (M+1)-th board terminals being electrically connected to an opposite end of each of the first to (M+1)-th conducting patterns, and a relay board terminal electrically connected to an opposite end of the relay conducting pattern. M is a natural number of 3 or greater, and N is a natural number of less than M.

The utility model relates to the technical field of air source heat pumps, and discloses an energy-saving air source heat pump unit external protection structure which comprises a device shell and further comprises a first motor and a supporting mechanism, a movable plate door is rotationally connected to the device shell, and the supporting mechanism for supporting the device shell is arranged at the bottom of the device shell. A first motor is fixedly connected to the interior of the device shell, the output end of the first motor is fixedly connected with a first rotating gear, a first sliding rack is slidably connected to the interior of the device shell, and the first sliding rack is meshed with the first rotating gear. Compared with a traditional open type ventilation opening, a first sliding rack slides to drive a first opening and closing blade and a second opening and closing blade to be opened and closed, and in the face of extremely severe weather, external factors are prevented from invading the interior of the device shell in a physical isolation mode by controlling opening and closing of the ventilation opening; and therefore, the service life of the internal air source heat pump unit is prolonged.

The application discloses a kind of nanometer pool stirring device, belong to stirring device technical field, to solve the existing adoption high-power mixer is stirred, there can be more security risks and power output energy waste, and aeration balance is not utilized, easy to cause energy waste, while the range of stirring is limited, often easy to appear the problem of stirring dead zone, invention includes nanometer pool main body and the liquid guide pipe connected in nanometer pool main body side, the inside of nanometer pool main body is fixed with support frame, the application can utilize the aeration of external surplus, can be simultaneously aerated from the aeration device and flow guide cylinder of multiple groups and lead out, form spiral rising water flow, further utilize the spiral rising water flow generated, can realize the effect of stirring, while spiral rising flow field, can reduce the dead zone of stirring, so that stirring is more uniform, to replace original power stirring equipment, to reduce the energy consumption and unsafe problem generated by power equipment stirring.

This utility model belongs to the technical field of fertilization equipment, specifically a lily planting fertilization device, including a frame. A pesticide delivery assembly is installed on the top of the frame, and a delivery pipe is installed at the delivery end of the assembly. The delivery pipe is fixedly connected to the frame. A second motor is fixedly connected to the middle section of the bottom of the frame. A spraying assembly is installed outside the second motor, and evenly distributed nozzles are installed at the spraying end of the spraying assembly. Travel wheels are rotatably connected to both sides of the frame. This utility model provides a lily planting fertilization device that uses a second motor to drive a transmission frame and transmission pipe to rotate the distribution pipe and nozzles at a uniform speed. During this uniform rotation, the nozzles can cover a wider area and evenly distribute fertilizer, ensuring that each part of the lily receives the same nutrition. The entire spraying process can be automated, eliminating the tedious work of manually adjusting the spray angle.

The invention discloses an ICPS comprehensive security control method and system based on time delay detection under multi-source hybrid attack, and relates to the technical field of ICPS security control. The method comprises the following steps: constructing a multi-source mixed attack model in which DoS attack and FDI attack coexist; under the driving of the D-ADETCS, an ICPS comprehensive security control strategy suffering from the multi-source mixed attack and the actuator fault at the same time is designed, specifically, the data security state of the ICPS is diagnosed by monitoring the data transmission delay of the ICPS, and a corresponding data compensator and a data restorer are called according to the diagnosis result, so that active intrusion tolerance control over the multi-source mixed attack is achieved; and based on the compensated / repaired data, designing a robust observer and a comprehensive safety controller by using a mechanism analysis method so as to realize passive intrusion tolerance control on the multi-source mixed attack and active fault tolerance control on the actuator fault. The method has good mobility and adaptability, is verified on typical experiment platforms such as a four-container water tank and can also be popularized to more complex industrial scenes.

The invention provides a full-link log tracking method and device based on a VLESS protocol, equipment and a medium, and the method comprises the steps: receiving and configuring tracking option parameters when a proxy protocol client instance is created, and building transmission layer connection to a bottom server when a client initiates an outbound connection request; meanwhile, detecting a context environment of the current request, and extracting an identifier as a link tracking identifier; when the client side carries out application layer protocol handshake, the link tracking identifier is packaged into a handshake data packet of a protocol and is sent to the server side; the server receives and analyzes the handshake data packet, and extracts a link tracking identifier from the handshake data packet; and then a context object of the current session of the server is obtained, and the extracted link tracking identifier is written into the context object to replace or set a log identifier of the current session of the server, so that unification of the client and the log identifier of the server is realized, and a request of each client can correspond to a log of the server, thereby being convenient for a user to use.

The invention relates to a regression test method and system for position information release and electronic equipment, and the method comprises the steps: obtaining a plurality of groups of test case data suitable for a target position based on a preset test case data set, the test case data comprising legal user identity data, test data and expected data; performing simulation release of target position information based on the test data of each test case; release response data of multiple dimensions are obtained, and verification is carried out based on the expected data of each test case in each dimension and the release response data; and recording data generated during simulation release of the target position information, release response data of multiple dimensions and verification data, and generating a regression test report for release of the target position information based on the recorded data. According to the invention, the test efficiency is improved, the manual labor amount is reduced, the test accuracy is high, the coverage is wide, and the expandability is high.

This application discloses a vocabulary recommendation method, apparatus, terminal, and readable storage medium, relating to the field of internet technology. The method includes: acquiring target account keywords, where the target keywords are those selected by the target account when recommending target content, and the target content is used as the search result for the target keywords; based on the target keywords, determining at least one candidate keyword related to the target keywords from a vocabulary library; based on the relevance of the at least one candidate keyword to the target content, determining a recommended keyword from the at least one candidate keyword; and sending the recommended keyword to the target account, where the recommended keyword is the keyword selected for recommending the target content. This achieves the filtering of recommended keywords with high relevance to the target content from the vocabulary library and pushing the recommended keyword to the target account as a reference for selecting target keywords.

The utility model relates to the technical field of fertilizing devices, in particular to an organic vegetable fertilizing device which is large in coverage width, suitable for a pre-planting period, a seedling period and a middle-later period and small in limitation. Comprising a fertilizer box; two fertilizer hoppers, two fertilizer feeding pipes, a double-output-shaft motor, two driving shafts, two spiral blades and a plurality of fertilizer applying holes are further included, the two fertilizer hoppers are installed on the two sides of the bottom of the fertilizer box respectively, the two fertilizer hoppers are both communicated with a fertilizer cavity of the fertilizer box, the input ends of the two fertilizer feeding pipes are communicated with the interiors of the two fertilizer hoppers respectively, and the output ends of the two fertilizer feeding pipes are communicated with the interiors of the two fertilizer hoppers respectively. The fertilizer hopper and the fertilizer conveying pipes form a channel for conveying fertilizer, the two fertilizer conveying pipes horizontally extend towards the two sides of the fertilizer box, the double-output-shaft motor is installed at the bottom of the fertilizer box, two output shafts of the double-output-shaft motor are in transmission connection with the two driving shafts respectively, and spiral blades are installed on the outer walls of the two driving shafts respectively. The two spiral blades are rotationally mounted in the two fertilizer conveying channels respectively, and a plurality of fertilizing holes are formed in the bottom walls of the two fertilizer conveying pipes.

The application discloses an integrated multi-mode communication and biological feature verification access control card, a control system and a method, relates to the technical field of access control and identity recognition, and roots out the transmission and background leakage risk by closing the whole process of biological feature collection, encrypted storage and comparison in the local security chip of the access control card. The dual-mode structure of star flash high-precision ranging and 2.4G stable transmission is adopted, the dynamic distance threshold is triggered, the pain points of false triggering and delay of the traditional scheme are solved, the power consumption is optimized by the hierarchical intermittent strategy, and long endurance is ensured. The management end fuses multi-base station star flash ranging and RSSI fingerprint correction, realizes centimeter-level triggering and sub-meter indoor positioning, supports illegal intrusion alarm, track tracing and regional density statistics, and upgrades the traditional access control from single-point authentication to a fine location sensing management system.

The utility model discloses an urban road lighting system which comprises a plurality of lamp subsystems, namely an Internet of Things lamp subsystem, an energy storage lamp subsystem and a photovoltaic lamp subsystem. Each communication unit is in signal connection with the corresponding lamp subsystem, the service management cloud platform is in signal connection with the communication units, and the service management cloud platform is configured to issue instruction signals to the corresponding lamp subsystems through the communication units. And receiving the internal information and / or environment information of the plurality of lamp subsystems through the communication unit so as to realize unified management of various and large-scale lamp subsystems. Through the synergistic effect of the communication unit and the business management cloud platform, unified management of various types of lamps is realized, and the business management cloud platform can receive internal information and environment information of each lamp subsystem through the communication unit, and issues instruction signals to each lamp subsystem, so that the lamp subsystems are controlled to be in a unified manner. Therefore, centralized control and monitoring of large-scale lamps are realized.

This application relates to the field of escalator technology, and in particular to an escalator step missing detection device, including an escalator body, escalator steps arranged on the inner side of the escalator body, and a fixed inner cavity opened on the inner side of the escalator body. A fixed box is fixedly connected to the inner side of the fixed inner cavity near the side of the escalator step. Through several sets of guide holes, sliding bases and corresponding auxiliary rollers arranged at equal intervals on the outer side of the fixed box, detection can be performed simultaneously at multiple different positions of the escalator steps, with a wide coverage range, effectively avoiding omissions in single-point detection, and improving the comprehensiveness and accuracy of step missing detection. Each set of sliding bases, conductive springs and conductive contacts independently corresponds to a specific step position. When a step is missing, only the conductive spring at the corresponding position contacts and conducts electricity, thereby triggering different states of the alarm light, realizing the precise location of the missing step, facilitating rapid troubleshooting and maintenance.

This utility model provides an indoor unit for an air conditioner. The indoor unit includes a housing, multiple swing blades, and a drive device. A support frame is provided inside the housing, and an air outlet is provided on the housing. Multiple swing blades are disposed inside the housing and adjacent to the air outlet; the multiple swing blades are arranged sequentially and at intervals along the length of the air outlet on the support frame; each swing blade includes a fixed part and a movable part, the fixed part and the movable part are connected, the fixed part is located on the air inlet side of the movable part, the fixed part is fixedly set to the support frame, and the movable part is made of a flexible material. The drive device is configured to drive the movable part to swing relative to the fixed part, and is configured such that the swing direction of at least one movable part is different from the swing direction of the other movable parts. This utility model solves the problem of the single air supply mode of existing air conditioner indoor units, thereby improving the diversity of air supply modes, making the airflow of the air conditioner more natural, reducing the direct blowing sensation of the airflow, and improving the user experience.

The utility model provides a kind of compressor crankshaft and compressor of collaborative lubrication, it is related to compressor field, to the current crankshaft fan leaf flung out limited coverage of refrigerating machine oil, it is difficult to effectively lubricate the position of the active position of the position of fan leaf flush and below, fan leaf oil channel and auxiliary oil channel are set up on fan leaf, especially the first oil channel and the second oil channel and the orifice design of staggered distribution that intersect in auxiliary oil channel, change the flung out path and coverage of refrigerating machine oil, refrigerating machine oil can not only be flung out from fan leaf top end face, but also can be flung out from fan leaf side circumferential surface, and using staggered distribution increases its coverage along axial direction, so that refrigerating machine oil can more widely cover to the active component of the position of fan leaf flush and the position below fan leaf, such as piston and connecting rod small head end cooperation position, piston and cylinder wall etc., strengthen the lubrication of these parts, reduce the wear between piston ring and cylinder wall.

This invention discloses a joint optimization method and system for task offloading and resource allocation based on SAGIN. It collects task and scheduling information through a SAG-IoT system; utilizes the task data and scheduling information to achieve optimal association between UAVs and IoT devices based on a matching game algorithm, and makes optimal decisions for task offloading to maximize the computational performance of the SAG-IoT system; based on optimal association, optimal task offloading decisions, and maximizing the computational performance of the SAG-IoT system, it constructs an online offloading framework based on deep reinforcement learning, constructing a path from input X(t) to optimal action x. * The low-complexity mapping strategy (t) is based on repeated interactions between different modules and a random environment, iterating and running sequentially to achieve joint optimization of task offloading and resource allocation. This invention achieves optimal computational performance while stabilizing the system queue. In addition to utilizing binary computation offloading, the optimization framework can also be extended to online partial computation offloading strategies consisting of multiple independent subtasks.

This utility model discloses a compressed air foam fire fighting system and fire truck, comprising: two sets of foam tank assemblies for storing and transporting two different foam liquids; an air compressor assembly for providing compressed air; a fire monitor assembly for spraying compressed air foam; and a controller electrically connected to a foam pump, a pressure sensor, a flow sensor, an air compressor, an air pressure sensor, an air flow sensor, and a compressed air electric ball valve. The controller adjusts the foam pump speed, the air compressor output power, and the opening of the compressed air electric ball valve based on the pressure and flow values ​​detected by each sensor to output compressed air foam with any preset gas-liquid mixing ratio. The compressed air foam is sprayed by the fire monitor onto the surface of an object, forming a firebreak. This utility model has a wide range of gas-liquid mixing ratios, adapts to various fire fighting scenarios, and meets the strict sequential mixing requirements of the two foam liquids with air.

This invention discloses a primer and probe set, kit, and method for detecting carbapenem resistance genes using point-of-care testing (POCT), belonging to the field of gene detection technology. The carbapenem resistance genes include: NDM, KPC, VIM, IMP, OXA, and GES; the primers and probes for the NDM gene include: SEQ ID NO.1, SEQ ID NO.2, and SEQ ID NO.3; the primers and probes for the KPC gene include: SEQ ID NO.4, SEQ ID NO.5, and SEQ ID NO.6; the primers and probes for the VIM gene include: SEQ ID NO.7, SEQ ID NO.8, and SEQ ID NO.9; the primers and probes for the IMP gene include: SEQ ID NO.10, SEQ ID NO.11, and SEQ ID NO.12; the primers and probes for the OXA gene include: SEQ ID NO.13, SEQ ID NO.14, SEQ ID NO.15, SEQ ID NO.16, SEQ ID NO.17, SEQ ID NO.18, SEQ ID NO.19, SEQ ID NO.20, and SEQ ID NO.21; and the primers and probes for the GES gene include: SEQ ID NO.22, SEQ ID NO.23, and SEQ ID NO.24. The primer and probe set, kit, and method of this invention can be used to detect carbapenem resistance genes NDM (75 subtypes), KPC (232 subtypes), VIM (90 subtypes), IMP (101 subtypes), GES (64 subtypes), and OXA-48, 23, 51, and 213 groups in a single detection tube. They have the advantages of short detection time, simple operation, wide coverage, good specificity, and prevention of contamination.

The application provides a forest fire smoke detection method based on semantic segmentation, and belongs to the technical field of fire warning, and comprises the following steps: feeding a real forest fire data set into a feature extraction network, inputting the extracted features into an improved DeepLabV3+ network for training, and outputting detection and recognition results. According to the complex and changeable forest fire scene, the non-rigid structure, the opacity and the variable mode of smoke and other characteristics, the application deeply studies a feature fusion method, adopts an improved ASPP structure to extract multi-scale spatial features, simultaneously introduces a bottom feature extraction module and a double-path convolution aggregation module to effectively extract smoke boundary information, and uses a lightweight backbone network to replace the original feature extraction network of DeepLabV3+, so that the detection speed is accelerated by using fewer parameters. The application can solve the problem that the false alarm and missed detection rates of the smoke detection method are high, thereby providing technical support for forest ecological protection.

The application discloses an optimization method for a video transmission network CDR. The method comprises the following steps: acquiring an environment characteristic and a control parameter vector, wherein the control parameter vector is constructed based on a fuzzy controller of the video transmission network CDR; generating an initial value of a spore population based on the control parameter vector; iteratively optimizing the spore population by using an optimization method with an adaptive exploration and utilization strategy, so that the spore population is adapted to optimal video transmission quality under the environment characteristic; each spore of the spore population corresponds to a value of the control parameter vector; and after the iterative optimization is completed, the spore with the highest fitness in the spore population is taken as a value of a target control parameter vector and is issued to the fuzzy controller. The application can realize adaptive optimization of clock data recovery in a complex and dynamically changing video transmission environment, and improve the robustness of clock data recovery.

The utility model belongs to the technical field of communication protocol conversion, and particularly relates to a protocol converter suitable for various distributed power supply scenes, which comprises a power supply electricity taking terminal, at least two paths of RS485 communication terminals, two paths of CAN communication terminals, at least two paths of remote signaling terminals, one path of expansion interface terminal, one path of communication port terminal and at least one path of hard contact output terminal, and a housing for accommodating the internal components; a power panel, a main control board, a communication board and a carrier communication module are fixed in the shell; the power supply board is provided with a voltage conversion circuit, the main control board is provided with a main control chip, a real-time clock, a Bluetooth module, a storage chip, an indicating lamp circuit and a key circuit, and the communication board is provided with a plurality of RS485 communication circuits, two CAN communication circuits, two remote signaling circuits and an expansion interface communication circuit. Through electrical connection of the multiple communication interfaces and the main control chip, the system can be applied to a distributed photovoltaic power generation system, a distributed storage system and a distributed charging pile system.

The utility model relates to the technical field of underwear, in particular to adjustable underwear, an unfolding structure of the adjustable underwear comprises two mold cups in bilateral symmetry, side parts and rear parts, each side part comprises a side part surface layer and a side part inner layer, the mold cups are sewn with the side part inner layers, the side part surface layers extend upwards to form front outer shoulder straps, and the rear parts extend upwards to form rear outer shoulder straps. The front outer shoulder strap is sewn with the rear outer shoulder strap, the front inner shoulder strap is sewn on the inner surface of the sewing position of the front outer shoulder strap and the rear outer shoulder strap, the other end of the front inner shoulder strap is sewn with the inner layer of the side piece, the rear piece and the surface layer of the side piece are made of continuous cloth, and the sides, away from the side piece, of the two rear pieces are respectively provided with a rear row hook and a rear row ring which can be buckled with each other; the outer surface between the front outer shoulder strap and the rear outer shoulder strap is further sewed with an American shoulder strap, the top end of the American shoulder strap extends towards the left side and the right side to form front connecting straps, and the two front connecting straps are provided with a front row hook and a front row ring which can be buckled with each other respectively. The back beautifying belt guides trapezius muscles and rhombus muscles to retract backwards and sink through pressure, the humpback is corrected, and the forerake posture of the head is improved.

This invention discloses a dual-sided synchronous spraying system for a guide trough, relating to the field of dust control technology in fully mechanized coal mining faces. It includes a guide trough body and an mounting plate; a sensing mechanism installed on one side of the top of the mounting plate; the sensing mechanism includes a storage box, a sealed door, two partition plates, multiple dust concentration sensors, multiple wind speed and direction monitors, and an intelligent control box. This invention achieves real-time monitoring and dynamic response to underground dust concentration and airflow conditions through the coordinated operation of the dust concentration sensors, wind speed and direction monitors, intelligent control box, electromagnetic control valve, and water pressure regulating valve. When the dust concentration exceeds the standard, the intelligent control box can drive the water pressure regulating valve to increase the spray intensity and the electromagnetic control valve to quickly open the spray branch. When the dust concentration reaches the standard, it controls the electromagnetic control valve to close and the water pressure regulating valve to revert, solving the problem of existing spray devices having a fixed and singular mode and being unable to adaptively adjust, thus avoiding the ineffective consumption of water and electricity.

A subway flood prevention alarm and door closing system includes sensors. The sensors are connected to a PLC linkage controller via a first wireless transmission module. The signal output of the PLC linkage controller is connected to the signal input of a first voice alarm device and a comprehensive monitoring system. The PLC linkage controller is also connected to an MCGS touchscreen via an RS-485 bus and a second wireless transmission module, connecting to a second voice alarm device and a roller shutter door control system. By collecting rainfall information from the sensors and transmitting it remotely via the first and second wireless transmission modules, the PLC linkage controller collects and processes rainfall information from various subway stations and issues corresponding signal commands to the second voice alarm device, the roller shutter door control system, the first voice alarm device, the MCGS touchscreen, and the comprehensive monitoring system, thereby achieving subway flood prevention broadcasting and safety protection. This system has the advantages of rapid response, high security, low false alarm rate, and wide coverage.