Provided in the present disclosure are a remote control system for a mining wireless communication device, and a construction method therefor, an electronic device, a computer program product and a computer program. The system is used for collecting and transmitting monitoring data of an underground device module, transmitting the monitoring data to a control module by means of a communication module, and receiving a control instruction from the control module.
A method for mining a single coal outlet in an ultra-long working surface comprises: disposing a scraper conveyor on a working surface and arranging two shearers at the two ends; the two shearers synchronously cutting notches in directions towards a middle portion of the working surface, obliquely inserting blades, and starting a normal mining operation; when the two shearers reach the middle portion of the ultra-long working surface, either one of the two shearers starting to operate in the reverse direction, while the other shearer does not change the direction of operation and performs a cutting and mining operation at a middle position of the working surface; and after the other shearer completes the cutting and mining operation at the middle position, starting to operate in the reverse direction. The steps above are a working cycle, and a plurality of working cycles are performed in sequence to complete mining work on the ultra-long working surface.
A super-long working face mining method, comprises the following steps: sequentially providing a total of four roadways, i.e., a left edge roadway, a left middle roadway, a right middle roadway, and a right edge roadway, from left to right in a working face in a direction perpendicular to coal to be mined, wherein a coal pillar having a certain width is arranged between the left middle roadway and the right middle roadway; arranging in the working face a left transfer conveyor (1), a right transfer conveyor (21), and a scraper conveyor used to connect the two transfer conveyors, wherein the left transfer conveyor (1) is arranged in the left edge roadway, the right transfer conveyor (21) is arranged in the right edge roadway, and the scraper conveyor is arranged at the mining end of the working face; the left middle roadway and the right middle roadway being material roadways, arranging, in the left middle roadway and the right middle roadway, devices for delivering materials required by the working face, transmitting power, and delivering water; during working face mining, using two coal mining machines (22) for mining, to carry out mining operation on coal and coal pillar of the super-long working face between the left edge roadway and the right edge roadway.
Disclosed are a method for training a body fluid pH calculation model, a method and apparatus for issuing an early warning about fatigue when underground, an electronic device, a storage medium, a computer program product, and a computer program. The training method comprises: obtaining body temperature data, pulse data, blood pressure data, breathing data, and a target body fluid pH of an underground operator in a region to undergo measurement, and obtaining a candidate body fluid pH calculation model; inputting the body temperature data, the pulse data, the blood pressure data, and the breathing data into the candidate body fluid pH calculation model to obtain a predicted body fluid pH; and calculating a loss value on the basis of the target body fluid pH and the predicted body fluid pH, training the candidate body fluid pH calculation model, and outputting a trained target body fluid pH calculation model of the region to undergo measurement.
The disclosure presents a mining converged communication system. The system includes a first converged communication device and a plurality of service devices. The first converged communication device is configured to receive a first data packet from a first service device that initiates a service request in the plurality of service devices, determine a first target service device that receives the service request in the plurality of service devices, based on the first data packet, and send the first data packet to the first target service device. The first service device in the plurality of service devices includes any service device set on or under a mine, and the first target service device includes at least one service device set on and/or under the mine.
A cloud-edge-based edge control method and apparatus, related to the technical field of industrial control systems. The method comprises: receiving first data sent by a device end; uploading the first data to an edge cloud server, and uploading second data to a cloud server; receiving a first device control instruction issued by the edge cloud server, and receiving a second device control instruction issued by the cloud server; identifying whether there is a conflict between the second device control instruction and the first device control instruction; and in response to there being no conflict, executing the first device control instruction after executing the second device control instruction.
H04L 67/125 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance en impliquant la commande des applications des terminaux par un réseau
H04L 67/61 - Ordonnancement ou organisation du service des demandes d'application, p. ex. demandes de transmission de données d'application en utilisant l'analyse et l'optimisation des ressources réseau requises en tenant compte de la qualité de service [QoS] ou des exigences de priorité
The present disclosure relates to the technical field of intelligent coal operation. Provided are a coal mine subsurface environment sensing method and apparatus, and a storage medium. The method comprises: acquiring a visual environment image and a laser radar environment image of a coal mine subsurface region to be subjected to sensing; fusing the visual environment image and the laser radar environment image on the basis of the environment type of said region; and inputting a fused image into a multi-task program, which comprises different scenes, so as to output an environment sensing result of said region in a corresponding scene.
Provided is a coal mine edge control system, comprising: a cloud module and an edge control module. The cloud module is connected to the edge control module, and the edge control module is connected to a front-end device; the edge control module is used for receiving operation data of the front-end device for analysis processing to acquire processed data, generating a front-end control instruction on the basis of the processed data, and issuing the front-end control instruction to the front-end device for execution; and the cloud module is used for receiving the processed data, updating global data on the basis of the processed data, generating an edge control instruction on the basis of the global data, and issuing the edge control instruction to the edge control module for execution.
H04L 67/125 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance en impliquant la commande des applications des terminaux par un réseau
Provided are a management method and apparatus for a rock burst disaster warning model, a computer device, a non-transitory computer-readable storage medium, a computer program product, and a computer program. The method comprises: acquiring geological attribute information and monitoring data information of a target area; determining at least one target index model from a plurality of candidate index models according to the geological attribute information and the monitoring data information; determining index configuration information of each target index model; and constructing a rock burst disaster warning model of the target area according to the target index model and the index configuration information.
A PRACH signal processing method, including: obtaining an initial signal, in which the initial signal has corresponding period information; obtaining a signal to be processed by performing a target processing on the initial signal based on the period information; and obtaining a target frequency domain signal by performing a frequency domain transformation on the signal to be processed.
Provided are a mining network slicing method and system, an electronic device, a computer-readable storage medium, a computer program product, and a computer program. The method comprises: slicing a mining transmission network according to preset slice types to obtain slices corresponding to the mining transmission network; determining the total bandwidth of the mining transmission network; determining the number of terminals in a service system connected to the mining transmission network and bandwidth indexes of the terminals for transmitting services; and determining bandwidths of the slices according to the number of the terminals in the service system connected to the mining transmission network, the bandwidth indexes of the terminals for transmitting services, and the total bandwidth of the mining transmission network, wherein the service system connected to the mining transmission network comprises a plurality of terminals.
Provided is a mining passive optical network system. The system comprises: a plurality of optical line terminals, an optical distribution network and a plurality of optical network units, wherein the plurality of optical line terminals are arranged aboveground, the plurality of optical line terminals are connected to each other, and the plurality of optical line terminals are used for performing data interaction with a communication network; the optical distribution network and the plurality of optical network units are arranged underground, the optical distribution network comprises a plurality of communication branches, each branch comprises a plurality of optical splitters, the optical splitters are used for realizing communication connections between the optical line terminal in the present branch and corresponding optical network units, or are used for realizing a communication connection between the optical line terminal in the present branch and a corresponding mining 5G access network; and each optical network unit is connected to a plurality of optical splitters, and the optical network units are used for connecting a plurality of underground application network systems to a mining passive optical network.
A base station switching method, comprising: acquiring a first reference signal receiving power of a master base station and a second reference signal receiving power of a slave base station, wherein the master base station is the current access base station of a terminal device, the slave base station is an adjacent base station of the master base station, and the total coverage range of the master base station and the total coverage range of the slave base station correspond to the same cell; determining a base station access mode of the terminal device according to a reference signal receiving power difference value between the first reference signal receiving power and the second reference signal receiving power; and performing switching processing on the access base station of the terminal device according to the base station access mode.
A robot includes a housing including a first shell and a second shell and having a first configuration and a second configuration, a rack disposed in an inner cavity of the housing, a telescopic assembly disposed on the rack and connected between the first shell and the second shell, and a rotary wing assembly disposed on the rack and having a folded configuration and a flight configuration. The rotary wing assembly includes: a folding arm with one end rotatably connected to the rack, a rotary wing, and a tilting arm connected between the rotary wing and the folding arm, the tilting arm and the rotary wing are extended to an outside of the housing to be adapted to drive the robot to fly in the flight configuration, and the tilting arm is rotatable relative to the folding arm to adjust a rotation direction of the rotary wing.
Provided are a mining mobile emergency communication system and method. The system comprises a management platform, a transmission network, a repeater and a terminal device, wherein the terminal device is used for collecting and generating communication data, and sending the communication data to the repeater; the repeater is connected to the transmission network, and/or is connected to other repeaters in a wireless mode, so as to build a transmission link, and the transmission link transmits, on the basis of a preset rule, the communication data which is sent by the terminal device; the management platform is used for monitoring and scheduling the transmission link, and scheduling the communication data; and the transmission network is used for connecting the repeater to the management platform, and transmitting the communication data and link regulation and control data.
H04W 4/90 - Services pour gérer les situations d’urgence ou dangereuses, p. ex. systèmes d’alerte aux séismes et aux tsunamis
H04W 40/22 - Sélection d'itinéraire ou de voie de communication, p. ex. routage basé sur l'énergie disponible ou le chemin le plus court utilisant la retransmission sélective en vue d'atteindre une station émettrice-réceptrice de base [BTS Base Transceiver Station] ou un point d'accès
The present disclosure provides a mining converged communication system. The system comprises a first converged communication device and a plurality of service devices. The first converged communication device is used for receiving a first data packet sent by a first service device among the plurality of service devices that initiates a service request, according to the first data packet, determining a first target service device among the plurality of service devices that receives the service request, and sending the first data packet to the first target service device, wherein the first service device among the plurality of service devices is any service device arranged overground or underground, and the first target service device is at least one service device arranged overground and/or underground.
CCRI ( BEIJING) NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
CCTEG CHINA COAL RESEARCH INSTITUTE (Chine)
Inventeur(s)
Yu, Xiaofeng
Wang, Yuchao
Shen, Dong
Liu, Lizong
Bai, Guangfeng
Liu, Yifang
Zhang, Mingkun
Jia, Mengyuan
Xie, Enqing
Abrégé
The present disclosure provides a grouting reinforcement filler for mining and a preparation method thereof The grouting reinforcement filler for mining includes a first component and a second component. The first component includes 100 to 130 parts by weight of a polyol polymer, 0.8 to 1.2 parts by weight of a catalyst, 0.1 to 0.3 parts by weight of a foaming agent, and 0.5 to 1.5 parts by weight of a surfactant, and the second component includes 65 to 85 parts by weight of polyisocyanate, 5 to 15 parts by weight of a modifier, 10 to 20 parts by weight of a plasticizer, and 10 to 15 parts by weight of a reactive flame retardant.
A PRACH signal processing method, comprising: acquiring an initial signal, wherein the initial signal has corresponding period information; performing target processing on the initial signal according to the period information, so as to obtain a signal to be processed; and performing frequency-domain transformation processing on the signal to be processed, so as to obtain a target frequency-domain signal. By means of the present disclosure, during the process of executing the PRACH signal processing method, an operation amount can be effectively reduced such that an operation speed can be effectively improved, and the power consumption of signal processing can be effectively reduced, thereby better facilitating the implementation of hardware.
The present disclosure provides a 5G communication signal interference processing method and device. The method comprises: receiving a mixed downhole signal set transmitted by a plurality of channels; on the basis of a current separation matrix separated by a blind source, filtering the interference of the mixed downhole signal set transmitted by a plurality of channels so as to acquire a target downhole signal set; in response to reaching an interference monitoring period, carrying out interference monitoring on the target downhole signal set, and acquiring a signal-to-noise ratio; in response to the signal-to-noise ratio being smaller than a preset threshold, executing blind source separation to update the current separation matrix, and returning to executing the reception of a mixed downhole signal set transmitted by a plurality of channels and subsequent operations.
A method for continuous synthesis of acylnaphthalene includes: mixing a raw solution containing 2-methylnaphthalene with an acylation liquid to obtain an acylation reaction liquid with a molar ratio of the 2-methylnaphthalene:the acylation agent:the Lewis catalyst of 1:1.3:1.5; adding the acylation reaction liquid into a microchannel reactor and a plurality of kettle reactors connected in series to perform acylation reaction, performing hydrolysis reaction on the acylation reaction liquid immediately after the acylation reaction liquid flows out of the plurality of kettle reactors to obtain a mixed solution, and subjecting the mixed solution to separation, rectification and crystallization, to obtain 2-methyl-6-propionylnaphthalene.
C07C 45/46 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogènePréparation des chélates de ces composés par condensation par réactions de Friedel-Crafts
C07C 45/84 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation par distillation azéotropique
23.
ACYLATION SOLUTION AND PROCESS METHOD FOR CONTINUOUSLY SYNTHESIZING ACYL NAPHTHALENE USING ACYLATION SOLUTION
An acylation solution and a process method for continuously synthesizing acyl naphthalene using an acylation solution, belonging to the technical field of chemical synthesis. The process method comprises: configuring an acylation solution by using a configuration system (100), and mixing the acylation solution and a feed solution containing 2-methylnaphthalene according to 2-methylnaphthalene: acylating agent: Lewis catalyst of 1:1:3:1.5 to form an acylation reaction solution, and sequentially feeding the acylation reaction solution in a microchannel reactor (12) and a tank reactor (13) in which a plurality of tanks are connected in series for an acylation reaction; and then performing hydrolysis, rectification and crystallization to continuously synthesize acyl naphthalene.
C07C 45/46 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogènePréparation des chélates de ces composés par condensation par réactions de Friedel-Crafts
C07C 49/788 - Cétones comportant un groupe cétone lié à un cycle aromatique à six chaînons polycycliques des groupes cétone étant liés à un système cyclique condensé
C02F 9/14 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout une étape au moins étant un traitement biologique
C07C 45/82 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation par distillation
C07C 7/06 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par distillation à l'aide de composés auxiliaires azéotropique
24.
WALKING DEVICE FOR INSPECTION ROBOT AND INSPECTION SYSTEM
Embodiments of the present application disclose a walking device for an inspection robot and an inspection system. The walking device for an inspection robot comprises a housing, a first clamping component and a second clamping component; the first clamping component is disposed on the housing and comprises a first wheel and a second wheel, wherein the first wheel and the second wheel are arranged in parallel at intervals, a first clamping position in which a track is inserted is formed between the first wheel and the second wheel, and at least one among the first wheel and the second wheel can elastically move so as to elastically clamp a part of the track at the first clamping position; the second clamping component is disposed on the housing and comprises a third wheel and a fourth wheel, wherein the third wheel and the fourth wheel are arranged in parallel at intervals, a second clamping position in which a track is inserted is formed between the third wheel and the fourth wheel, and at least one among the third wheel and the fourth wheel can elastically move so as to elastically clamp a part of the track at the second clamping position. The walking device for an inspection robot of the present application has the advantages of having a simple structure, being convenient to use, being low in cost and the like.
Disclosed in the embodiments of the present application are an inspection robot walking device and an inspection robot system thereof. The inspection robot walking device comprises a housing and a first clamping assembly. The housing comprises a mounting plate. The first clamping assembly comprises a first wheel, a second wheel, a first connecting member, a first elastic member and a second connecting member, wherein the first wheel is rotatably fitted with a first end of the first connecting member, a second end of the first connecting member is rotatably connected to the second connecting member, and the middle of the first connecting member is rotatably connected to the mounting plate; the second connecting member is in guiding fit with the mounting plate; the first elastic member is sleeved on the second connecting member, and one end of the first elastic member abuts against the mounting plate; the second wheel is rotatably mounted on the housing; and the first elastic member is used for exerting an elastic acting force on the second end of the first connecting member when the first wheel and the second wheel clamp a guide rail. The inspection robot walking device in the embodiments of the present application has the advantages of a simple structure, ease of use, low cost, etc.
A protective liquid for a hydraulic system, the protective liquid comprising the following components in parts by weight: 24-33 parts of boric acid glyceryl amide, 17-22 parts of a carboxylic acid alcohol amine salt, 1-2 parts of sodium molybdate, 0.1-0.3 parts of methylbenzotriazole, 8-12 parts of glycerol and 30-50 parts of water, wherein the boric acid glyceryl amide is prepared by reacting boric acid, monoethanolamine and glycerol; and the carboxylic acid alcohol amine salt is a complex comprising 13-16 parts by weight of an undecanedicarboxylic acid triethanolamine salt and 4-6 parts by weight of a capryloyl glutamic acid triethanolamine salt. The protective liquid has an excellent anti-rust property and stability, a good sealing material adaptability, and a certain oiliness. When used at a concentration of 1-2%, the protective liquid can serve as a transmission medium for long-term protection of an external-injection-type single hydraulic prop, and actions such as supporting and lifting of the single prop and long-term inhibition of metal corrosion are achieved.
C10M 173/02 - Compositions lubrifiantes contenant plus de 10% d'eau ne contenant pas d'huiles minérales ou grasses
C10M 173/00 - Compositions lubrifiantes contenant plus de 10% d'eau
C09G 1/02 - Compositions de produits à polir contenant des abrasifs ou agents de polissage
C10M 105/10 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un composé organique non macromoléculaire contenant de l'oxygène comportant des groupes hydroxyle liés à des atomes de carbone acycliques ou cycloaliphatiques
27.
OPTIMIZATION METHOD AND DEVICE FOR RADIOFREQUENCY ENERGY LOSS OF 5G COMMUNICATION BASE STATION FOR USE IN MINING
The present disclosure relates to an optimization method and apparatus for the radiofrequency energy loss of a 5G base station for use in mining. The optimization method comprises the following steps: selecting a coaxial cable model and acquiring attenuation coefficient and a diameter ratio parameter; determining, on the basis of the condition of a roadway, the geometric relationships between lengths and bending angles when a coaxial cable is installed and bent; and determining, on the basis of the relationships between a mismatch coefficient and angles, the bending angle and length at which the attenuation is weakest, where the geometric relationship between the installation of an antenna and base station for 5G communication for use in mining in the roadway and the connection-implementing coaxial cable is an isosceles triangle, the length of the two equal sides of the isosceles triangle is half of the length of the coaxial cable, and the vertex angle of the isosceles triangle is the bending angle of the coaxial cable. As such, the transmission efficiency of the radiofrequency energy of the 5G base station is increased, the coverage distance of the 5G base station is increased, and the number of 5G base stations deployed is reduced, thus reducing construction costs.
brevets
