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31results about How to "Strong resistance to failure" patented technology

Mine mobile communication system

The invention discloses a mine mobile communication system, which consists of an Ethernet passive optical network of a double-bus or double-loop structure, a wireless access network, a control system and an explosion-proof mobile station. The system comprises an optical link terminal, a base station controller, a ground base station, office-end equipment, passive optical splitters, explosion-proof optical network terminals, an underground explosion-proof base station, leakage antennae, base station antennae, distributed antennae and the explosion-proof mobile station, wherein the optical link terminal is connected with the ground base station and the base station controller; the explosion-proof optical network terminals are connected with the underground explosion-proof base station; the underground explosion-proof base station is connected with the leakage antennae, the base station antennae and the distributed antennae; and the explosion-proof mobile station is connected with the underground explosion-proof base station and the ground base station through a wireless interface. The mine mobile communication system has the characteristics of simple structure, flexible deployment, convenient maintenance, relatively lower cost, strong disaster resistance and anti-jamming capacity, capability of eliminating dead zones in communication and meeting requirements on a specific service environment and security for mining, and suitability for underground mobile communication in a coal mine.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Energy acquisition and power supply management device of current transformer of overhead line

The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.
Owner:CHONGQING UNIV

Collection and identification management method of ground information of unmanned aerial vehicle cluster

The invention relates to a collection and identification management method of ground information of an unmanned aerial vehicle cluster. The method comprises steps of equipment assembling, man-machinegrouping, video collection and flight dynamic adjustment. On the one hand, multiple unmanned aerial vehicles are controlled simultaneously to collect video information and image information continuously and coordinately at designated positions and the video information collection and image information collection operations are not affected, so that the continuity, comprehensiveness and acquisitionaccuracy of data collection are improved effectively; and on the other hand, flexibility and convenience of flight coordination control between the unmanned aerial vehicles are realized effectively and the efficiency and quality of remote data communication and control signal transmission are enhanced, so that the reliability of the data communication and unmanned aerial vehicle control operationwork is improved effectively. Besides, a fault unmanned aerial vehicle can be replaced effectively based on the flight conditions of all unmanned aerial vehicles, so that the anti-fault capability ofthe flight control, data acquisition and data transmission work of the unmanned aerial vehicle cluster is enhanced and the reliability and stability of the overall operation of the system are improved.
Owner:FOSHAN WANHE NEW ENERGY TECH CO LTD

Water insulation pipe filling valve with structure and running state self-detection function

The invention relates to a water insulation pipe filling valve with a structure and running state self-detection function. The water insulation pipe filling valve comprises a water insulation pipe body, a water insulation pipe cabin door, a drive oil cylinder, a balance valve, a main control valve, a lock valve, a changeover valve, an energy storage device, travel sensors, a pressure sensor, an ultrasonic flaw detection device and a detection control device. The main control valve, the lock valve, the changeover valve, the energy storage device and the detection control device are all arranged on the outer surface of the water insulation pipe body, the water insulation pipe cabin door is in sliding connection with the water insulation pipe body, the balance valve is additionally embedded in the water insulation pipe body, and the detection control device comprises a data processing circuit, a drive circuit and a communication circuit. The running state of the water insulation pipe filling valve can be effectively monitored, structure detection can be carried out on the mechanical structure and parts of the water insulation pipe filling valve, and therefore the running monitor capacity to the water insulation pipe filling valve can be improved, hidden fault danger existing in the water insulation pipe filling valve can be found in time, and the running stability and reliability of the water insulation pipe filling valve are improved.
Owner:CHENGDU OUXUN TECH CO LTD

Intelligent control system of filling valve of water separating pipe of marine drilling platform and filling valve

The invention provides an intelligent control system of a filling valve of a water separating pipe of a marine drilling platform and the filling valve. The system comprises a water separating pipe body, a water separating pipe chamber door, a driving oil cylinder, a pressure sensor, a displacement sensor, a balancing valve, a control valve, a lock valve, a control solenoid valve, a conversion valve, an energy storage device and an intelligent control system body, wherein the pressure sensor, the displacement sensor, the control valve and the control solenoid valve are additionally respectively electrically connected with the intelligent control system body; the intelligent control system body comprises a data processing circuit, a communication circuit, a driving circuit, a pressure detecting circuit and a displacement detection circuit. With the adoption of the system, the filling valve of the water separating pipe has the intelligent device detecting and intelligent operating functions; therefore, the reliability and stability in device operation are improved; in addition, the defects of slow corresponding control and small performing precision of the filling valve due to excessive pressure difference of the balancing valve in the traditional control system can be effectively solved, and the operation stability and accuracy of the filling valve of the water separating pipe can be improved.
Owner:CHENGDU OUXUN TECH CO LTD

Power device and system of aerial train, aerial train and aerial train system

The invention belongs to the field of aerial train power, and particularly provides a power device and system of an aerial train, the aerial train and an aerial train system. The problem that in the prior art, an aerial train can not give consideration to fault resistance capacity and continuous operating capacity of a power supply system is solved. The power device of the aerial train comprises a driving device of the aerial train and a power source unit used for supplying power to the driving device. The power source unit comprises a super-capacitor unit and a first charging device. The super-capacitor unit is electrically connected with the driving device and used for driving the driving device. The power source unit further comprises a rechargeable battery unit, a second charging device and a switching control unit. The super-capacitor unit and the rechargeable battery unit are electrically connected with the driving device through alternative switching of the switching control unit. The power device of the aerial train adopts the super-capacitor unit and has the advantages of being low in weight, high in capacity, fast in charging and the like, the rechargeable battery unit is further arranged, and switching is conducted between the two power units according to situations, so that the power supplying system is safer and guaranteed.
Owner:中建空列(北京)工程设计研究院有限公司

Solar central hot water engineering control system

The invention relates to a solar central hot water engineering control system. The solar central hot water engineering control system is characterized by comprising a device part and a controller; thedevice part comprises a solar heat collecting module, a water tank, a plurality of electromagnetic valves, a plurality of water pumps, a plurality of water pipes and an auxiliary heating device; thesolar heat collecting module and the water tank are connected through a water pipe A provided with the corresponding electromagnetic valve and the corresponding water pump; the auxiliary heating device and the water tank are connected through a water pipe B provided with the corresponding electromagnetic valve and the corresponding water pump; the solar heat collecting module and the water tank are each provided with a cold water entering water pipe C provided with the corresponding water pump; the controller comprises an MCU, a power supply power source module, a sensor module, an operation and processing module, a storage module, a control output module and a communication module; the controller is connected with the device part through a sensor; the sensor transmits an acquired signal to the MCU; and after processing of the operation and processing module, instructions are sent out through the control output module and the communication module to correspondingly control the electromagnetic valves and the water pumps in the device part. The solar central hot water engineering control system is flexible and advanced in structure.
Owner:FUJIAN NORMAL UNIV

Mine mobile communication system

The invention discloses a mine mobile communication system, which consists of an Ethernet passive optical network of a double-bus or double-loop structure, a wireless access network, a control system and an explosion-proof mobile station. The system comprises an optical link terminal, a base station controller, a ground base station, office-end equipment, passive optical splitters, explosion-proof optical network terminals, an underground explosion-proof base station, leakage antennae, base station antennae, distributed antennae and the explosion-proof mobile station, wherein the optical linkterminal is connected with the ground base station and the base station controller; the explosion-proof optical network terminals are connected with the underground explosion-proof base station; the underground explosion-proof base station is connected with the leakage antennae, the base station antennae and the distributed antennae; and the explosion-proof mobile station is connected with the underground explosion-proof base station and the ground base station through a wireless interface. The mine mobile communication system has the characteristics of simple structure, flexible deployment, convenient maintenance, relatively lower cost, strong disaster resistance and anti-jamming capacity, capability of eliminating dead zones in communication and meeting requirements on a specific service environment and security for mining, and suitability for underground mobile communication in a coal mine.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Energy-taking power supply circuit of cable temperature monitoring device

The invention discloses an energy taking power supply of a cable temperature monitoring device. The energy taking power supply comprises an energy taking coil arranged on a cable in a sleeving manner, a rectification filtering circuit connected with a secondary side winding of the energy taking coil, a voltage stabilizing module connected with the rectification filtering circuit, and a supercapacitor connected with the voltage stabilizing module, wherein the voltage stabilizing module outputs direct current power. According to the energy taking power supply, the problem of a 'energy taking dead zone' caused by low current during energy taking of a current transformer is solved, namely if the current on the primary side is relatively low, the output voltage is low and can not meet the requirement on power supplying; the supercapacitor is used as a backup power supply of a monitoring system, and can be used in a place with insufficient induction energy taking; the problem that energy taking of the current transformer is saturated under high current, namely if the current on the primary side is relatively high, the output voltage is high; a wide-input DC-DC voltage stabilizing circuit is adopted for ensuring that 5V output voltage is stable; a DC-DC voltage reducing module has the advantages of high efficiency and small size compared with linear voltage stabilization.
Owner:CHONGQING UNIV

Water-secluding pipe filling valve control system for marine drilling platform and using method for water-secluding pipe filling valve control system

The invention provides a water-secluding pipe filling valve control system for a marine drilling platform. The water-secluding pipe filling valve control system comprises a balance valve, a control valve, a lock valve, a change-over valve, an energy accumulator and a drive oil cylinder, wherein the control valve separately communicates with the balance valve and the lock valve through oil tubes; the change-over valve separately communicates with the lock valve, the energy accumulator and the drive oil cylinder; and the control valve is additionally equipped with a remote control interface, and the control valve communicates with an external hydraulic control source through the remote control interface. A using method for the water-secluding pipe filling valve control system comprises five steps of system initialization, system pressure drop, filling valve opening, opening keeping and filling valve closing. The system provided by the invention is simple in structure, is high in fault resistance, is various and flexible in control way, and is good in operation stability and interference resistance, so that automation degree, reliability and stability of filling valve operation are improved, and the defects such as low filling valve control speed and low implementation precision as a result of balance valve pressure difference in a conventional control system are effectively solved, and therefore, control precision of the water-secluding pipe filling valve control system is greatly improved.
Owner:CHENGDU OUXUN TECH CO LTD +1

Energy acquisition and power supply management device of current transformer of overhead line

The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.
Owner:CHONGQING UNIV

An Intelligent Control System for Riser Filling Valve of Offshore Drilling Platform

The invention provides an intelligent control system of a filling valve of a water separating pipe of a marine drilling platform and the filling valve. The system comprises a water separating pipe body, a water separating pipe chamber door, a driving oil cylinder, a pressure sensor, a displacement sensor, a balancing valve, a control valve, a lock valve, a control solenoid valve, a conversion valve, an energy storage device and an intelligent control system body, wherein the pressure sensor, the displacement sensor, the control valve and the control solenoid valve are additionally respectively electrically connected with the intelligent control system body; the intelligent control system body comprises a data processing circuit, a communication circuit, a driving circuit, a pressure detecting circuit and a displacement detection circuit. With the adoption of the system, the filling valve of the water separating pipe has the intelligent device detecting and intelligent operating functions; therefore, the reliability and stability in device operation are improved; in addition, the defects of slow corresponding control and small performing precision of the filling valve due to excessive pressure difference of the balancing valve in the traditional control system can be effectively solved, and the operation stability and accuracy of the filling valve of the water separating pipe can be improved.
Owner:CHENGDU OUXUN TECH CO LTD

A solar power supply system and control method for tunnel entrance reinforcement section

The invention relates to a solar power supply system and control method used for a tunnel entrance reinforcing section. The solar power supply system used for the tunnel entrance reinforcing section comprises a storage battery, a remote monitoring terminal, a plurality of solar panels and a plurality of power supply modules. Each power supply module comprises a controller, a relay, an inverter circuit and lamps. The solar panels are arranged outside a tunnel. The lamps are arranged at the position of the tunnel entrance reinforcing section. Power is supplied to the lamps at the tunnel entrance reinforcing section through solar energy, the power supply requirement of the lamps at the tunnel entrance reinforcing section is met, and the solar power supply system has the advantages that automatic control is achieved, energy sources are saved, and manual switching is not needed. Electric energy directly output by the solar panels can be supplied to power supply loops of the lamps, electric energy stored by the storage battery can be supplied to the power supply loops of the lamps, the lamps can be turned on in a grouped and batched mode according to the irradiation intensity, and illumination inside and outside the tunnel can be kept coincident.
Owner:CHONGQING YURONG HIGHWAY

An offshore drilling platform riser filling valve control system and usage method

The invention provides a water-secluding pipe filling valve control system for a marine drilling platform. The water-secluding pipe filling valve control system comprises a balance valve, a control valve, a lock valve, a change-over valve, an energy accumulator and a drive oil cylinder, wherein the control valve separately communicates with the balance valve and the lock valve through oil tubes; the change-over valve separately communicates with the lock valve, the energy accumulator and the drive oil cylinder; and the control valve is additionally equipped with a remote control interface, and the control valve communicates with an external hydraulic control source through the remote control interface. A using method for the water-secluding pipe filling valve control system comprises five steps of system initialization, system pressure drop, filling valve opening, opening keeping and filling valve closing. The system provided by the invention is simple in structure, is high in fault resistance, is various and flexible in control way, and is good in operation stability and interference resistance, so that automation degree, reliability and stability of filling valve operation are improved, and the defects such as low filling valve control speed and low implementation precision as a result of balance valve pressure difference in a conventional control system are effectively solved, and therefore, control precision of the water-secluding pipe filling valve control system is greatly improved.
Owner:CHENGDU OUXUN TECH CO LTD +1

Iron ball rocker arm processing and quality detecting integration process

ActiveCN109759805AReduce the probability of inaccurate processingSimple structureEngineeringRocker arm
The invention relates to an iron ball rocker arm processing and quality detecting integration process which comprises five steps of positioning and detecting; preparing for electrifying; polishing, grinding and finish machining; resetting and cleaning; and detecting and calibrating, wherein the duration is 8 to 9 hours. The iron ball rocker arm processing and quality detecting integration processprovided by the invention is flexible and convenient to use, good in universality, high in expansion capacity and fault resistance, and high in operation automation degree; on one hand, through an overhauling, casting and processing device, positioning preparation work can be carried out for an iron ball rocker arm, so that the probabilities of causing the problems and the inaccuracy in iron ballrocker arm processing are reduced, and inspection processing is carried out; on the other hand, through the iron ball rocker arm processing and quality detecting integration process, the usability isimproved; the iron ball rocker arm is continuously polished and ground through polishing, grinding and finish machining; the angle and the direction are adjusted through a bearing conveniently, so that the working speed is improved; and meanwhile, the iron ball rocker arm is calibrated through detecting and calibrating, so that the finish machining level is achieved.
Owner:德阳天和机械制造有限责任公司

Multiple-harmonic source harmonic isolation system

The invention relates to a multiple-harmonic source harmonic isolation system. The harmonic isolation system comprises a data processing unit, a communication unit, an input / output (I / O) port unit, a driving circuit unit, a power detection device, a control keyboard, a displayer, an incoming line access port, a single-harmonic source harmonic isolation module, an outgoing line guide port and at least one line collection terminal, wherein the incoming line access port is eclectically connected with an external access circuit and the single-harmonic source harmonic isolation module respectively, the single-harmonic source harmonic isolation module is electrically connected with the line collection terminal through the outgoing line guide port, the at least one line collection terminal is electrically connected with an external connection circuit, and the driving circuit unit is electrically connected with the data processing unit, the communication unit, the I / O port unit, the power detection unit and the single-harmonic source harmonic isolation module respectively. By the multiple-harmonic source harmonic isolation system, multiple paths of input power supplies can be simultaneously and independently filtered, and the filtered electrical energy is converged to output; and moreover, the harmonic isolation system has favorable fault resistant ability, and thus, the stability and the continuous operational capability of system running are greatly improved.
Owner:苏州华安普电力科技股份有限公司

Fire-fighting automatic pressure-regulating water supply device and using method thereof

The invention relates to an automatic pressure-regulating water supply device for fire fighting, which comprises a pressure-stabilizing water storage tank, a pressure reflux meter, a safety valve, an opening control valve, a closing control valve, a water pressure regulator, a temperature regulating system and a water outlet control valve, an overflow port and a reflux port are formed in the side wall of the pressure-stabilizing water storage tank, and the overflow port is communicated with the reflux port through the pressure reflux meter; the water outlet is communicated with a safety valve through a flow guide pipe, the safety valve is further communicated with an opening control valve and a closing control valve, the opening control valve and the closing control valve are both communicated with a water pressure regulator through flow guide pipes, and the water pressure regulator is further communicated with a water outlet control valve. The using method comprises the three steps of equipment assembly, water storage pressurization and fire-fighting spraying operation. On the one hand, the requirement of being matched with a fire extinguishing system in various occasion environments for use can be effectively met; and on the other hand, the operation stability of the fire-fighting water supply system is improved, and the fault resistance is high, so that the purpose of improving the stability of fire-fighting water spraying operation is achieved.
Owner:UNIV OF SCI & TECH BEIJING
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