812results about How to "Timely delivery" patented technology

The invention provides a multi-screen interaction system and method. When the screen is switched, a first terminal pushes video switching information to a second terminal, the second terminal conducts protocol analysis according to the video switching information, and a video resource value is obtained according to the analyzed protocol data; and then the second terminal requests a server for the optimal video bitrate playing address of the video terminal and a player is opened to play the video content of the address. The multi-screen interaction system and method can realize same-screen display of multi-screen videos, and can realize interaction realtime performance according to different terminal configurations and different video playing code rates, and local intranet is used for direct connection so as to reduce network environment congestion, network delay, network jitter and the like and lead the interaction information to be transmitted in time and the user experience to be better.

The invention discloses a nozzle of a combustion chamber of a miniature gas turbine, relates to the gas turbine technology, and in particular to a small size fluid fuel nozzle used in a combustion chamber of a 100 kW level miniature gas turbine. The nozzle consists of three parts which are a fuel oil passage, a fuel air passage and an air channel at the root of a burner, comprehensively utilizes the advantages of pneumatic nebulization and pressure atomization, and is a combined type high performance pneumatic atomizing nozzle. The nozzle of the invention has the characteristics that: the nozzle adopts a conventional processing method to realize excellent atomization of the fuel in small scale space, so as to meet the requirement for the quality of fuel atomization under a quite wide burden of the combustion chamber of the miniature gas turbine; the nozzle can avoid burnout and overcomes the defect of nozzle blockage caused by high temperature coking of the fuel; meanwhile, the nozzle can make the fuel in the combustion chamber to be combusted more fully and reduce discharge of pollutants such as smoke black and so on.

The invention relates to a system and a method for self-adaptively subscribing and publishing realtime message. The system comprises a client service interface, a primitive resolver, a message manager, a subscribe manager, an event monitor, a condition evaluator, a message receiving thread, a message publishing thread, and a message transmitting thread. The invention overcomes the disadvantages of prior art to convert the subscribed object and the trigger rule by the primitive resolver to achieve conditioned message transmission and publish. By adopting the publishing rule of event-condition-publish manner, the invention achieves self-adaptive message communication mechanism and filters each message that is published realtime in the message publish process, sorts the messages in consideration of the transmitting condition and the message priority required by user, and publishes the messages, thereby saving the network resources and improving the flexibility and reliability for message publish and subscribe.

The invention discloses an improved gravity assisted heat pipe radiator used for a high-power LED, which comprises an improved gravity assisted heat pipe and radiating fins, and is characterized in that the improved gravity assisted heat pipe consists of a flat-plate-shaped evaporation section and a cylindrical condensation section, wherein the evaporation section is directly connected with an LED circuit baseplate; the condensation section is connected with the radiating fins; a heat conduction column is arranged on the inner wall of the lower end of the evaporation section; a reflux tank channel is axially arranged on the inner wall of the condensation section; the interior of the heat pipe is vaccumized and is filled with a heat-conducting medium; and the inner wall of the heat pipe is sandblasted for heat transfer enhancement. The improved gravity assisted heat pipe radiator used for the high-power LED transmits the heat to the radiating fins rapidly by the circulating convection with the participation of gravity, and has the benefits of flexibility, convenience, simplification, low cost, high start speed, capability of accelerating the radiating rate with the temperature rising of the high-power LED, and the like.

The invention discloses an electro pneumatic hybrid brake control method and system based on a network data transfer mode. The method comprises the following steps: a first setting step, namely setting time delay timing for waiting the subsidence of tractive force so long as a brake command of a train control command is received by a brake control unit; a first monitoring step, namely using the brake control unit to monitor an electrical braking state signal and the time delay timing for waiting the subsidence of tractive force from an electric transmission control unit, and conducting brake control if the electrical braking state signal represents effective tractive force subsidence signal or the time delay timing is stopped, otherwise waiting the stop of the time delay timing. According to the invention, the signals can be input by adding the tractive force subsidence signal or electrical braking, data transmission time delay generated in the initial rising process of brake force in the prior art can be eliminated.

The invention discloses a method, a server, a client and a system for providing a special news search. The method for providing the special news search includes that acquiring latest content data of a special news event from a data interface provided by a news website and storing, analyzing the acquired content data of the special news event after receiving a search request related to the special news event from a client, using a preset template to form a special news application box for the news event, using the special news application box corresponding to the special news event as a search result to return to the client. The method, server, client and system for providing the special news search are capable of providing the existing special news resource of the news website to a user system and duly transmitting the latest and most systematic special news information to the user.

The invention is a capillary microgrooves and thermoelectric combined heat control method and system, relates to a heat dissipation and heat controlling method and device used in laser, electronic and electric apparatus. Liquid are heated for evaporation and boiling in capillary microgroove evaporator by heat member, steam flows into condensator through heat preservation flexible pipe, coagulates and heat releases in coagulating microgrooves in condensator under function of thermoelectric cooler on exine of condensator, and meanwhile thermoelectric cooler transmit heat from heat surface to heat dissipation elements (heat dissipation board or water-cooling heat radiator), and finally dissipate heat by air-cooling or water-cooling; coagulated liquid flows back to capillary microgroove evaporator through liquid return flexible pipe and connector to drain microgrooves, so that a circulation of heat extracting and releasing is completed, and components are cooled and heat controlled. Device adopting the inventive method includes a vacuum capillary microgroove evaporator, heat preservation flexible pipe, condensator, thermoelectric cooler, heat dissipation element, liquid return flexible pipe, connector to drain microgrooves.

The invention provides an information prompt method and device, electronic equipment and a computer-readable storage medium, and relates to the technical field of man-machine interaction. The method includes the steps that attribute parameters of at least one target object within a preset monitoring range are acquired, and whether or not the attribute parameters meet triggering conditions is judged; if the attribute parameters meet the triggering conditions, visual prompt controls corresponding to the target objects are provided. The method can increase the screen utilization rate and improvethe information transmission efficiency.

The invention belongs to the technical field of preparation of substrate materials for semiconductor basic circuits and particularly provides a method for preparing a composite doped diamond-film substrate for a high-heat-conductivity electronic device. The method comprises the following steps of: firstly carrying out high-density diamond nucleation growth on a metal substrate or a graphite transition layer substrate, depositing an element-doped diamond film, and carrying out the growth of the diamond film to reach a required thickness; carrying out vacuum heat treatment on a diamond gradient composite substrate after demoulding for homogenizing and destressing; and carrying out double-surface grinding and polishing on the doped diamond gradient composite substrate and meeting the requirements on the surface finish quality and the thickness of a substrate for a semiconductor integrated circuit. The invention has the advantages that a boron-doped diamond film has high electron and hole mobility; a boron-undoped diamond film is taken as a substrate support of the doped diamond film; and the heat conductivity of the relatively thicker boron-undoped diamond film is five times of that of copper, thus the heat can be transferred to a radiator in time.

The invention discloses a detection robot for underground rescue of a pressurized type coal mine, belonging to the technical field of robots. The detection robot comprises an explosion-proof box body, symmetrical travelling mechanisms, two driving mechanisms, an industrial control computer, a lifting mechanism and an optical fiber winding mechanism, wherein the symmetrical travelling mechanisms are arranged on two sides of the explosion-roof box body; the two driving mechanisms and the industrial control computer are arranged in the explosion-roof box body and are respectively independent; the lifting mechanism is provided with various probes; the mechanisms form a modular structure; the two driving mechanisms are symmetrically arranged and respectively comprise a first driving motor, a second driving motor, batteries connected with the motors, a first spur gear, a second spur gear, a driven spur gear, a first planetary reducer and a connecting shaft; the first spur gear and the second spur gear are respectively sleeved on output shafts of the first drive motor and the second drive motor; the driven spur gear which is in simultaneous meshed drive with the first spur gear and the second spur gear is sleeved on an input shaft of the first planetary reducer; an output shaft of the first planetary reducer is connected with a connecting shaft extending out of the box body; and the connecting shaft end is connected with a driving wheel. According to the invention, one output shaft is driven by adopting two motors simultaneously, thus the power of the robot can be improved.

The invention discloses a transmit method for switching a command, which is applied in a long-term evolutionary system, and the method comprises that: a source base station transmits a first switching message to a terminal, and the first switching message refers to a target base station message with a variation period larger than a preset value; when affirming the terminal needing to initiate switching, the source base station transmits a switching command to the target base station; and the source base station receives switching response returned by the target base station and transmits a second switching message to the terminal according to the switching response of the target base station, and the second switching message refers to the target base station message with a variation period smaller than the preset value. The embodiment of the invention also provides a base station. By adopting the technical proposal of the embodiment of the invention, the contents of the first switching message and the second switching message are made clear, and the method for sending the switching message by two steps in an LTE system is led to become an operable technical proposal, thus perfecting the method, and guaranteeing the switching message to be timely, reliably and completely transmitted to the terminal.

The present invention discloses a teaching quality assessment system based on big data. The system comprises a student terminal-score analysis module, a teacher terminal-score analysis module, a school terminal-teaching quality analysis module and an education bureau terminal-teaching quality analysis module; the teacher terminal-score analysis module is configured for teachers to perform browsing and analysis of the administered class test scores; the school terminal-teaching quality analysis module is configured for school administrators to perform browsing and analysis of the administered class test scores; and the education bureau terminal-teaching quality analysis module is configured to the education bureau managers to perform browsing and analysis of the administered region school test scores. Through the analysis of test scores each time, the teaching quality assessment system based on big data can obtain each layer of score dimension reports which are displayed for each role, and carries out each comparison mode to provide reliable scientific basis for improvement of the teaching level assessment through lateral comparison and vertical comparison.

The invention discloses an angry driving behavior monitoring and intervening device capable of automatically adapting to driver characteristics. The device comprises a vehicle whistling monitoring system, a steering wheel operation monitoring system, an acceleration changing monitoring system, a sound monitoring system, a vehicle-mounted system, a self-adaptation detection system, a driving anger feeling recognition system and an early warning reminding system. Common behaviors expressed during angry driving of a driver can be monitored in real time from multiple aspects, influences of driver individual differences on anger monitoring and recognition are eliminated, the precision is high, and the accuracy is better. Meanwhile, when the driver has the angry driving behavior, the device performs real-time intervention on the driver in recorded individualized sound early-warning modes at different levels, and therefore the intervention problem that the universality is low and consumed time is long when mental training is adopted as the main means is solved, and potential safety hazards brought by angry driving are greatly reduced.

The invention discloses a non-pneumatic tyre. The non-pneumatic tyre comprises an annular inner ring part, an annular outer ring part and a supporting part, wherein the outer ring part is arranged on the periphery of the inner ring part in a sleeving manner, and the supporting part is arranged between the inner ring part and the outer ring part; the supporting part comprises a plurality of vaulted inner supporting components, outer supporting components and middle supporting components, wherein the vaulted inner supporting components are arranged on the periphery surface of the inner ring part, and the middle supporting components are positioned between the inner supporting components and the outer supporting components; the outer supporting components and the middle supporting components extend in the circumferential direction in a wavy manner, and the inner ring part is surrounded by the outer supporting components and the middle supporting components; the wave crest of each outer supporting component is connected with the inner periphery surface of the corresponding outer ring part, and the wave trough of each outer supporting component is connected with the wave crest of the corresponding adjacent middle supporting component; in two adjacent middle supporting components, the wave trough of each middle supporting component adjacent to the outer ring part is connected with the wave crest of the corresponding middle supporting component adjacent to the inner ring part; two ends of the inner supporting components are connected with the periphery surface of the inner ring part, and the top of each inner supporting component is connected with the wave trough of the corresponding adjacent middle supporting component. The non-pneumatic tyre disclosed by the invention is good in buffering effect and high in torsional rigidity.

The invention discloses a water level prediction analysis and control method of a hydropower station reservoir, comprising the following steps: 1) acquiring real-time operation information of a cascade hydropower station group; 2) calculating the change amount of the water storage flow in the reservoir; 3) analyzing and predicting that trend of the reservoir water level, and drawing a water levelchange trend map; 4) calculating the suggested open degree of the gate adjustment, and automatically adjusting the opening degree of the gate; 5) when the gate adjustment needs to increase the discharge, automatically communicating the automatic linkage flood release warning system to send the flood release warning information to the person in charge of the downstream flood control in a timely manner. The invention can accurately predict the short-term change trend of the water level of the reservoir of the hydropower station, and further adjust the gate so as to reduce the operation frequencyof the gate, improve the gate adjustment precision and realize the purpose of maximizing the utilization of water resources for generating electricity. At the same time, when the discharge of the gate is increased, the flood release warning information can be transmitted in time through communication with the flood release warning system, so as to ensure the safety of the life and property of people in the downstream.

The invention provides a multi-master RS485 bus arbitration method and system. The multi-master RS485 bus arbitration method is applied to a three-wire system RS485 bus, and the three-wire system RS485 bus comprises two signal transmission lines and is provided with an arbitration signal line COD. The multi-master RS485 bus arbitration method comprises steps of 1) setting a bus occupation detection mechanism; and 2) controlling a node needing to send data to preempt the bus according to the bus occupation detection mechanism. The bus occupation detection mechanism comprises that the node needing to send data firstly monitors whether the bus is busy; if the bus is not busy, the node occupies the bus to send data, and the arbitration signal line COD is set to be an occupancy state, after the node sends the data, the arbitration signal line COD is released, and the occupancy state is changed into an idle state; if the bus is busy, whether the bus is busy is monitored after a preset time period. The multi-master RS485 bus arbitration method and system are suitable for event data sending occasions, and key information needing to be sent can be transmitted timely.

The embodiment of the invention discloses a method for triggering a buffer state report (BSR), comprising the following steps: suspending RB after receiving a wireless resource control connection reconfiguration message from a base station; responding to the base station to finish reconstruction message; recovering the RB after receiving the wireless resource control connection reconfiguration message from the base station; and transmitting BSR to the base station. The embodiment of the invention also provides a device and a communication system for triggering the BSR, which relate to the field of mobile communication. The invention is provided to solve the problem of data loss resulting from failing to obtain the uplink resource in time after the RB is recovered from the suspension statusin the prior art. The invention can be applied to transmit the BSR by a triggering terminal in the mobile communication system.

The invention discloses a dynamic turning navigation method based road network checkpoints and travel time indexes. Downstream of an intersection in a road network is set as a checkpoint, and communication and sensing of user vehicles at each checkpoint can be realized through a short-distance communication or mobile communication mode. Under a short-distance communication mode, the checkpoint of each lane is provided with a short-distance wireless communication road sign for sensing vehicles and guiding the user vehicles with an on-board communication terminal. Under the mobile communication mode, the user vehicle reports the coordinate and turning guiding request when arriving at a certain distance to the coordinate of a checkpoint through mobile communication. The minimal summation of instant traffic data and historical optimal path travel time index is used as an object, optimal turning selection suggestion is provided to the user vehicles arriving at each checkpoint every moment, and dynamic path navigation information with shortest travel time is provided for the vehicles of each moment. Indexes are employed in the method, which reduces real-time computational complexity, improves response speed to real-time road conditions and ensures optimal global final navigation trail.

The invention provides an unmanned aerial vehicle for delivering life buoys. The unmanned aerial vehicle comprises a vehicle rack and delivering modules, and is characterized in that the delivering modules are symmetrically mounted at the two sides below a base body of the vehicle rack; the vehicle rack comprises the base body, a camera, a loading hole, two motor frames, four brushless motors, four screw propellers, a power supply module, a control module and reinforcing ribs; the camera is fixedly mounted on a mounting frame at one side of the base body; the loading hole is formed in the middle section of the base body; the two motor frames are fixedly mounted at the top of the base body. The unmanned aerial vehicle for delivering the life buoys can rapidly fly to an accident site and deliver the life buoys in time, and can help a plurality of overboard personnel at the same time, so that the rescuing efficiency is improved.

The invention discloses a method for sending mails, wherein the method is applied to a cloud computing operating system. The method comprises the following steps: generating mail sending requests, and determining priority of the mails; caching the newly generated mail sending requests in a request queue, and ordering the mail sending requests in the request queue according to the priority of the mail sending requests; reading the mail sending requests in sequence from the request queue, analyzing the mail sending requests, and sending the mails according to mail data obtained after analysis. The method and the device can ensure that important mails in the cloud computing operating system are sent timely and reliably. The invention further discloses a device for sending the mails.

The invention provides a danger source monitoring system for mines. The system comprises sensor acquisition equipment, data fusion equipment and sensor network routing equipment, wherein the sensor acquisition equipment comprises one or more sensors and is used for acquiring data of the sensors; the data fusion equipment is used for performing stepwise assessment on risk assessment models (with different levels) subjected to sensor data application pre-storage from a high-danger level to a low-danger level, and when one assessment result is equal to or higher than a preset danger level, the assessment result is uploaded corresponding to the sensor data related to the danger level; and the sensor network routing equipment is used for receiving the sensor data uploaded by a plurality of data fusion equipment and routing the sensor data to an upper computer according to a sequence from a high danger level to a low danger level. According to the system, results are rapidly calculated during major danger source monitoring by using a plurality of key factor data, so that urgent data can be timely transmitted to the upper computer.

The invention discloses a sleep management method and a device thereof in a broadband wireless access communication system. In the method, a sleep mode is activated when the nearest continuous first pre-determination time data transmission intervals are all bigger than or equal to the predetermined intervals or a normal mode is activated when the nearest continuous first pre-determination time data transmission intervals are all smaller than or equal to the predetermined intervals; during the predetermined intervals, the power consumed by the user terminal in the sleep mode is bigger than or equal to that by the user terminal in the normal mode. The method and the device standardize the startup and termination of a sleep mechanism, reduce the power consumption of the user terminal as much as possible and ensure the in-time transmission of the downstream data at the same time.

The invention provides a bank dynamic credit monitoring system based on a wireless sensing network. The monitoring system comprises multiple wireless monitoring base stations, a wireless acquiring server, an automobile balance controller, a local monitoring server, a bank front-end processor and a credit management server. The wireless monitoring base stations are disposed to all enterprises and are connected with the wireless acquiring server and the local monitoring server. The local monitoring server is wirelessly connected with the bank front-end processor which is connected with the credit management server. The wireless monitoring base stations and the automobile balance controller respectively acquire and then send enterprise special index data and stocking and sales volume scale data to the credit management server which will carries out loan client rating. According to the invention, dynamic production and operation state data of enterprise clients are added as quantitative non-financial index, so continuous tracking for credit granting clients and credit assets is achieved and credit rating is scientifically and properly evaluated.

The invention provides a damping and heat-dissipating device for a rolling bearing. The damping and heat-dissipating device comprises a bearing base, a bearing gland, a revolving shaft, a damping rubber ring, a wave spring and the rolling bearing, wherein the wave spring is arranged in a gap between the side face of the rolling bearing and the bearing base. The wave spring is made of beryllium bronze, so that the wave spring has higher heat conductivity and can be used for effectively transferring heat generated by high-speed rotation of the rolling bearing. According to the damping and heat-dissipating device, the wave spring has a semi-circular arch-shaped structure, so that the elasticity is improved, the radial contact rigidity of the rolling bearing is reduced, and the vibration impact of the rolling bearing is reduced. The service life of the rolling bearing is prolonged, so that the service life of a turbo molecular pump is prolonged.

The invention relates to a running speed and driver fatigue state based ship warning system. The ship warning system comprises an energy converter assembly, a distance measuring sensor assembly, a ship speed detection device, a control device and a driver state detection device; the control device is connected with the energy converter assembly, the distance measuring sensor assembly, the ship speed detection device and the driver state detection device. Measuring accuracy levels of the energy converter assembly are controlled according to the ship running speed output by the ship speed detection device, whether the ship running speed is warned or not based on measuring results of the energy converter assembly and the distance measuring assembly, and whether driver fatigue state is warned or not based on a detection result of the driver state detection device. The running speed and driver fatigue state based ship warning system has the advantages of improving the ship running safety, avoiding ship body collision accidents, reducing ship operator economical loss and guaranteeing personnel and cargos on the ship from not being damaged.

The invention discloses a method for monitoring an electrocardio intelligent control and data processing system using IoT smart cloud, and belongs to the field of smart medical. The method includes electrocardio vest hardware, an intelligent mobile terminal, and a cloud server. The electrocardiogram vest is used for measuring electrocardiogram data and sending the electrocardiogram data to the intelligent mobile terminal. The cloud server performs automatic monitoring and big data analysis according to an existing expert database and user historical pathography data based on the electrocardiogram condition data and the electrocardiogram index in the electrocardiogram data, and automatically give an alarm in the case of an abnormal result. The data generated by automatic monitoring and bigdata analysis in the cloud server is used by doctors. The doctors make decisions with reference with the data in order to provide remote diagnosis for patients. Treatment timeliness and success rate of heart diseases and cardiovascular diseases can be improved by using big data technology.

The invention discloses a method and system for improving stability of a transformer substation inspection robot. The method comprises the steps that the robot inspects according to a preset route through the adoption of various navigation and location technologies, and if the robot deviates from the preset route, the robot stops operation; the robot detects the operational conditions of the hardware in itself in the operational process, and if the robot detects malfunction, the robot takes corresponding treatment measures according to the malfunction; the network connecting conditions of the robot and a control center are monitored, and if network interruption is detected, the robot stops operation. According to the method and system, the stability of the transformer substation inspection robot can be improved.

The invention discloses a cargo allocation method for implementing logistic transportation by utilizing global position system (GPS) positioning, which comprises that: a driver sends a query request containing vehicle GPS positioning information and empty vehicle information to a freight information server through a general packet radio service (GPRS) network; the freight information server records the empty vehicle information or the query request, and queries matched freight information in a database according to the request; the freight information server comprehensively analyze real-time road conditions, plans the optimal cargo allocation scheme and vehicle route and returns the optimal cargo allocation scheme and vehicle route to the driver; and the driver receives a query result, and contacts an owner of cargo according to the freight information to complete the cargo allocation. Meanwhile, the owner of cargo can check the positions of the vehicle and the cargo in real time through a website or special software.

The invention discloses a method for transmitting alarm data of a centralized monitoring system. A central management system receives alarm events of pre-processors; the central management system adopts a distributed structure and consists of a plurality of clients which are connected by a network; each client sends a receiving instruction of alarm types to the pre-processors; and the pre-processors transmit the type of alarm events to the clients according to the instructions. The method for transmitting alarm data comprises the following specific steps: (1) the clients acquire the pre-processor addresses corresponding to monitoring areas; (2) the clients send the receiving instruction of the alarm types to the corresponding pre-processor according to the pre-processor addresses; and (3) the pre-processors upload the type of alarm events to the clients according to the instructions. The method for transmitting alarm data can control all types of alarm service data precisely and can transmit the data to each client completing the subscription of the type of alarm events in time.