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290results about How to "Quick set up" patented technology

Emergency communication and support system based on tethered unmanned aerial vehicle and method

The invention relates to an emergency communication and support system based on a tethered unmanned aerial vehicle and a method. The system comprises a flying platform subsystem, a ground control subsystem, a photoelectricity composite cable and a communication terminal. The flying platform subsystem comprises the unmanned aerial vehicle. A communications base station, a base station antenna and a video capturing device are arranged on the unmanned aerial vehicle. The ground control subsystem is connected with the flying platform subsystem through the photoelectricity composite cable, and controls and communicates with the flying platform subsystem through the photoelectricity composite cable. The photoelectricity composite cable transmits ground power to the flying platform subsystem, and realizes space data two-way optical fiber transmission. The communication terminal establishes communication connection with the ground control subsystem and the flying platform subsystem. The system and the method, which are provided by the invention, have the technical advantages of long air time, signal blind spot prevention and real-time air video capturing, and can be used for low-cost cluster communication and video support system solutions in the fields of public security, terrorism countering, high-rise building fire protection and the like.
Owner:CHINA NAT ELECTRONICS IMP & EXP CORP

Cloth ironing machine

The invention mainly discloses a cloth ironing machine. The technical scheme is that the cloth ironing machine comprises a rack, an ironing mechanism, a conveying mechanism, a preheating mechanism, a sterilization mechanism and a drying mechanism, wherein the conveying mechanism comprises a putting table, cloth putting rollers and a cloth reeling roller, the putting table is provided with hanging rings, two ends of the cloth putting rollers are respectively hung on the hanging rings, one side of the cloth reeling roller is provided with a cooling roller, the ironing mechanism comprises an upper press mould, a lower press mould and an ironing table, the lower sides of the upper press mould and the lower press mould are respectively provided with a first transmission mechanism and a second transmission mechanism for driving the upper press mould and the lower press mould to be in force fit, the preheating mechanism comprises a preheating plate provided with steam holes and a water tank with an electric heater, the sterilization mechanism comprises a lamp base, a lamp holder and an ultraviolet tube with a cleaning device, the drying mechanism comprises a drying plate provided with air outlets and a warm air chamber provided with a warm air machine, and sliding wheels are arranged below the rack. The cloth ironing machine has the advantages of good ironing effect, shaping in one step, high work efficiency and less energy consumption.
Owner:SHENGZHOU YIHAI MOTOR PARTS FACTORY

Wireless parallel test system and test method based on ZigBee

The invention discloses wireless parallel test system and test method based on ZigBee, which relate to the technical field of test. The invention solves the problems of large field wiring construction amount and influence of a test signal by field wiring quality caused by the fact that the traditional test system acquires a test signal in a wire communication way. The test system forms a ZigBee network by adopting main wireless communication equipment and a plurality of wireless communication modules; the main wireless communication equipment is connected with a test control terminal by adopting a UART interface; and the wireless communication module in each kind of test equipment is connected with a built-in test module by adopting the UART interface. In the method for realizing test of the test system, the test control terminal is connected with the main communication equipment by the UART interface to realize the transmission of a test command and a test result, and the main wireless communication equipment and a plurality of kinds of equipment to be tested realize data communication by adopting the ZigBee network. The invention is suitable for a modern automatic test system, can realize the mutual coordination of hundreds of equipment to realize communication, and has high test efficiency.
Owner:HARBIN INST OF TECH

Bailey beam suspension formwork supporting system and construction method thereof

The invention discloses a bailey beam suspension formwork supporting system and a construction method thereof. The bailey beam suspension formwork supporting system comprises longitudinal and transverse stress trusses (2) consisting of bailey beams (1); suspenders (5) are arranged on transverse bailey beams (3) and the suspenders penetrate through a concrete layer structure bottom formwork (6) for suspending a bidirectional I-shaped steel load-bearing platform (7); a steel pipe scaffolding formwork supporting system (8) is arranged above the platform, the transverse bailey beams are perpendicularly arranged above the longitudinal bailey beams (9) according to spacing, and the longitudinal bailey beams (9) are supported on a framework structure or temporary supports (10). The construction method of the bailey beam suspension formwork supporting system comprises the following steps: erecting a bailey beam formwork supporting system suspension system at the upper part of an additionally constructed layer in advance, and laying a formwork support operating platform below. The bailey beam suspension formwork supporting system and the construction method thereof have the advantages that the construction site is not occupied, the system and the method are suitable for cast-in-situ concrete construction of aerial connecting corridors, high and large muntin and transfer layer engineering of reinforced concrete or section steel combined structures, are particularly suitable for additionally constructed engineering which does not have a stress relationship with original structures, and have unique advantages.
Owner:北京万兴建筑集团有限公司

Method for constructing emergency communication system and emergency communication system

The invention relates to a method for constructing an emergency communication system and the emergency communication system, wherein the method comprises: step one, emergency base stations and emergency gateways are deployed in emergency places, and emergency communication networks are established among the emergency gateways through the emergency gateways; step two, when user terminals in the emergency places are placed in the emergency communication networks, the emergency base stations receive login requests of the user terminals and send the login requests to the emergency gateways, and the emergency gateways close authentication processes to the user terminals and accept the user terminals; and step three, the user terminals perform voice, video and / or data transmission communication services. According to the method for constructing the emergency communication system and the emergency communication system, a Femtocell private network can be used for deploying the emergency communication networks rapidly under the circumstance of the failure of public mobile communication infrastructures, convenience is provided for emergency or disaster relief communications, and the method and the emergency communication system can be used in other special communication scenes of mines, outdoors and the like.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

Control method of monitoring ball machine

The invention discloses a control method of a monitoring ball machine. The method comprises the following steps of (1) vertically and horizontally dividing a to-be-monitored space into a plurality of small partitions, and setting a shooting focal distance for each small partition; (2) setting corresponding preset positions for a central point position and an edge point position of each small partition, and storing horizontal position information, vertical position information and shooting focal distance information of the ball machine; (3) reading a video frame, and performing target detection on the video frame; (4) according to direction information of a detected target in a monitoring scene, mapping the target to the corresponding preset position; (5) calling the preset position by the ball machine to acquire a monitored image. The defects that the automation degree of control is not high, the real-time property and the flexibility are not enough, and human manual interference is required in a ball machine of the traditional video monitoring system are overcome; the control method is convenient in operation, high in automation degree of control and good in instantaneity, and is particularly good in capture effect on the monitored image of a quickly moving target.
Owner:HUAZHONG UNIV OF SCI & TECH

Robot and method for independently establishing wireless communication network for mine emergency rescue

The invention discloses a robot and method for independently establishing wireless communication network for mine emergency rescue. The robot comprises a robot body and a placing system of wireless communication network repeater. The robot body is provided with a walking mechanism. A driving mechanism, an environment information monitoring unit, a wireless communication unit and a control system are arranged inside the robot. The placing system of wireless communication network comprises a placing device of a wireless communication repeater and a wireless communication repeater. The method includes step 1, detecting and uploading coal mine environment information, communication signal strength and geography information; step 2, analyzing and processing signals; step 3, detecting and uploading wireless communication signal strength of the location of the wireless communication repeater and information about wireless communication signal strength, and step 4, circulating the steps of 1, 2 and 3 to finish wireless communication network establishing. The robot and method are novel and reasonable in design, high in intelligence, convenient in usage and operation can repair and construct coal mine communication network quickly with stable and reliable working and are suitable for promoting and using.
Owner:XIAN UNIV OF SCI & TECH

Voice communication method based on mobile sensor network

The invention discloses a speech communication method based on a mobile wireless sensor network. The speech communication method comprises the following steps of network building, network maintenance and speech communication; in the network assembly step, a sensor node in the network appoints a cluster head according to a certain rule; the other nodes are totally cluster members; according to T time, the network is divided into a superframe which is inside provided with a beacon frame and a plurality of small time slots and used for the competition between nodes and the reserved data sending; in the network maintenance step, the node in the cluster head broadcasts a beacon frame in the whole network every N superframe cycles; the same strategy in assembling the network is used; all the nodes of the whole network pass through a monitoring channel and maintain own adjacent node tables according to the monitored information; in the speech communication step, the speech communication is carried out among the cluster members and between the cluster members and the node of the cluster head. The speech communication method is suitable for the mobile speech sensor network establishment, speech communication management and other aspects.
Owner:JIAXING WIRELESS SENSOR NETWORKS CENT CAS

PROFIBUS based fault setting system

InactiveCN104966456AReduce workloadConvenient self-assessment self-assessmentEducational modelsMaster stationProfibus
The invention relates to a PROFIBUS based fault setting system, which comprises a PROFIBUS-DP bus, an upper computer, a CP5611 communication card, a master station and seven slave stations, wherein the master station comprises a master station programmable controller, a DI / DO and a guide rail, and each salve station comprises a slave station programmable controller and an EM277 communication module. The PROFIBUS based fault setting system is characterized by further comprising slave station fault setting devices, a PROFIBUS-DP bus based hardware configuration and touch screen configuration fault setting interface and an upper computer WINCC monitoring interface; and the salve station fault setting devices of the seven slave stations are identical in structure, and each slave station fault setting device comprises a touch screen, an input detection module, an output driving module, a relay matrix driving circuit module and an RS-485 communication cable. The fault setting system provided by the invention is high in automation degree, user-friendly in interface, easy to operate, convenient and flexible in fault setting, high in efficiency, reliable in operation and low in maintenance cost; and home station faults can be set at the upper computer or a lower computer, effects of practical training teaching are obvious.
Owner:LIUZHOU RAILWAY VOCATIONAL TECHN COLLEGE

Modularized structure for three-level inverter for wind power generation

The invention discloses a modularized structure for a three-level inverter for wind power generation, which can simply and quickly form different power levels for wind power generation. The modularized structure comprises an electrical system and a radiating system, wherein the electrical system comprises four direct current capacitors, four IGBTs (Insulated Gate Bipolar Translators), two clamping diodes, two absorption capacitors, a balancing resistor and bus bars; the radiating system comprises a water-cooling base plate and an air water-heat exchanger; a cooling water channel is arranged inside the water cooling base plate; and a water inlet and a water outlet which are connected with the air water-heat exchanger are arranged on in the lower end surface of the water-cooling base plate; the bus bars comprise a direct current capacitor bus bar which is arranged above the water-cooling base plate and a converter loop bus bar which is vertically connected with the direct-current capacitor bus bar, and arranged in front of the water-cooling base plate in parallel; the four direct current capacitors are arranged below the direct current capacitor bus bar, and the wiring terminals of the four direct current capacitors are connected with the direct current capacitor bus bar; the four IGBTs and the two clamping diodes are fixedly arranged on the water-cooling base plate; and the wiring terminals of the four IGBTs and the two clamping diodes and the wiring terminal of the balancing resistor are connected with the converter loop bus bar.
Owner:SHANGHAI ELECTRICGROUP CORP

Distributed type optical fiber acoustic wave communication method and device

The invention discloses a distributed type optical fiber acoustic wave communication method and device and relates to the field of optical fiber communications. Firstly, acoustic waves with information are emitted and transmitted to a communication optical cable, so that Rayleigh scattering of transmission signal light in the communication optical cable changes, the emitted acoustic waves are demodulated and restored by detecting changes of Rayleigh scattering through a distributed type optical fiber acoustic wave communication mainframe, and the purpose of the distributed type optical fiber acoustic wave communication method and device are achieved. The complete passive feature, distributed communication feature and accurate acoustic source positioning feature are achieved; the effects of achieving extra-long distance communication without interruption, freely switching analog transmission and digital transmission and not needing to adjust hardware equipment are achieved; meanwhile, as the acoustic wave information source can be either an analog acoustic source or a digital acoustic source, the distributed type optical fiber acoustic wave communication system can achieve direct acoustic wave communication and digital communication.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Microwave power testing device based on universal serial bus (USB) interface

The invention discloses a microwave power testing device based on a universal serial bus (USB) interface. The microwave power testing device comprises a casing, a circuit board support, a microwave sensor, an analog circuit board and a digital circuit board, wherein the analog circuit board and the digital circuit board are connected through a high-density connector, the analog circuit board comprises a chopping amplifying circuit, a rear-stage amplifying circuit, an analog-to-digital converting circuit, a zero calibration selection circuit and a temperature analog-to-digital converting circuit, the digital circuit board comprises a digital signal processing circuit, a USB interface circuit and a power source management circuit, and the digital signal processing circuit comprises a digital signal processor, a synchronous dynamic data storer, a flash memory program storage and a complicated programmable logic array chip. The microwave power testing device is compact in structure, small in size, light in weight and flexible in programming, adopts USB power supply, can be connected with computers with USB host interfaces or other electronic measuring instruments, can form a microwave power automatic testing system rapidly and is suitable for applications in places of laboratories, fields, production lines and the like.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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