66results about How to "Implementation failure" patented technology

The invention relates to the field of electric power system monitoring, in particular to a cable 10kV high voltage ring main unit remote monitoring and control system which is used for conducting real-time monitoring of operation conditions of power distribution facilities and distribution cable lines, realizing early warning and alarming of abnormal and failure states and postmortem analysis after accidents, and controlling and regulating the operating environment of equipment through remote operation. According to the cable 10kV high voltage ring main unit remote monitoring and control system, grid smart operation management serves as the target, various on-line monitoring techniques are integrated, and monitoring cameras, a fan and solar equipment are installed in a switching station; the system can be used for checking the information of the monitoring cameras in the switching station in real time, monitoring the operating state of the fan, realizing the early warning and alarming of the abnormal and failure states and the postmortem analysis after the accidents, realizing dynamic evaluation of health conditions of the equipment, and realizing remote operation control over monitoring of the equipment; a multi-dimensional display technology is combined, safe and reliable operation capacity of a distribution network is enhanced, trouble shooting efficiency and maintenance efficiency are improved, and therefore a complete set of grid visual monitoring system is formed.

The invention discloses a chenille spinning machine for spinning chenille yarns. Firstly, knitting wools for spinning the chenille yarns wind an inverted triangle distance cutting sheet through a high-speed swiveling head, and the width of the neck portion of the distance cutting sheet depends on the length of pile yarns. Subsequently, a pressure roller is fed into a grey yarn rack, two core yarns are discharged, one of the core yarns forms a surface layer core yarn of the chenille yarns, and the other one of the core yarns forms a base layer core yarn of the chenille yarns. The knitting wools on the distance cutting sheet are pushed to blades through roller pieces, the blades move in the middle of the neck portion of the distance cutting sheet, and the knitting wools are cut by means of the blades. The cut knitting wools are sideward clamped between the surface layer core yarn and the base layer core yarn, and flaky knitting wools between the two core yarns are scattered towards all sides to form the chenille yarns through downward use of swiveling of reeling spindles. The chenille spinning machine has the advantages of being convenient to operate, high in production efficiency, large in reeling volume, safe, and reliable.

The invention discloses an electronic communication environment monitoring system. The electronic communication environment monitoring system comprises an environmental data acquisition module, an electricity condition access module, an information transmission module, a data preprocessing module, a predictive analysis module, an environment dispatching module, an information management module, ahuman-computer interaction module and a central processing unit. The electronic communication environment monitoring system has the following advantages: real-time acquisition and monitoring of environmental data are realized; the system has a data evaluation function, so that analysis and evaluation of the current environmental data and environmental data in certain future period of time are realized, and anomaly can be found out timely; integrated management and remote control of a plurality of monitoring systems are realized through a remote server; faults of the system can be discovered timely by means of the running state monitoring function of the system.

The method provides a service system fault and performance prediction method based on monitoring data. User operation behavior data are collected through a traffic monitoring manner of bypass monitoring, traffic data are obtained from a metropolitan area network switch through a mirror image port, the traffic data are passed to an SDN server, SDN technology is utilized to strip MPLS multi-layer protocols, and then the user operation behavior data are passed to a collection server; after completion of the step S1, original data cleaning and data categorization operation is carried out on the user operation behavior data, and pre-processing and aggregation of the user operation behavior data are realized; after completion of the step S2, modeling is carried out on the user behavior data, andfailure and performance prediction is realized; and a user use situation is predicted through a mathematical model, and scientific early warning judgment is realized. The method can judge network congestion and terminal performance or faults in advance, guide or help system service personnel in advance in solving problems, improve user experience of a service system, improve work efficiency, andreduce work pressure of operation and maintenance system personnel.

The invention relates to an automatic power distribution network fault judging and controlling method of full-load switch ring main unit power supply. When a main line between a switch room 2 and a switch room 3 has faults, a CB1 detects the faults and actively trips; before the CB1 trips, incoming and outgoing line load switches FB1, FB3, FB4 and FB6 detect the faults, branch line load switches FB2 and FB5 do not detect the faults, all load switches of the switch room 3 do not detect the faults, and the outgoing line switches FB 3 and FB6 and an incoming line switch FB 7 lose voltages and then delay tripping to isolate external faults; the transformer substation outgoing line breaker CB1 delays coinciding once, and the outgoing line load switches FB3 and FB6 sequentially have voltages and delay switching on; if lines have the transient faults, then the incoming line switch FB 7 has voltages and delays switching on, the lines coincide successfully, and all-line power supply is restored; if the lines have the permanent faults, the transformer substation outgoing line breaker CB1 detects the faults and then actively trips.

The invention discloses a bearing fault and fault degree diagnostic method on the basis of a phase-locked amplification algorithm. According to the invention, due to the advantages of stable center frequency, narrow transmission band, high quality factor and the like of a phase-locked amplifier, a phase-locked amplification principle is applied to diagnosis on a bearing fault and a fault degree by utilizing the phase-locked amplifier. A reference signal on the basis of the bearing fault signal characteristics is established and the phase-locked amplification principle is utilized to remain and amplify information related to the fault and reduce noise signals which are not related to fault ingredients by multiplication and integral operation, so that rapid separation of signal noise and positioning on the fault are implemented. Meanwhile, a reference signal added with fault degree parameters is established and diagnosis on the bearing fault degree is implemented by combining a kurtosis value.

The invention relates to a cloth chute device for a cloth machine. The cloth chute device comprises a cloth chute and a driving device, wherein the cloth chute is hinged to the bottom of a cloth outlet of the cloth machine; and one end of the driving device is mounted onto the cloth machine, and the other end of the driving device is connected with the cloth chute. The cloth chute serves as a cloth machine accessory which is arranged externally, can be rapidly and conveniently mounted at a discharging opening of the cloth machine and is convenient to demount. By means of the cloth machine, the height of an outlet of the cloth chute is adjusted through the driving device; the cloth chute can be better adapted to production of concrete parts of different thicknesses; the cloth chute is simple in structure, low in failure rate and low in production cost; when the cloth chute is in the feeding process, compared with the mode that a whole feeding funnel moves up and down, vertical displacement of a discharging opening of the cloth chute is achieved through swing of the cloth chute under the effect of small driving force, and height adjustment can also be achieved; the requirement that the cloth chute device is adapted to different workpieces is met; the structure is simple; and the driving device operates independently and is not prone to failure, so that reliability is high.

The invention relates to a chainless bicycle based on cam-crank-slide bar transmission. The chainless bicycle comprises a frame, a front wheel, a rear wheel and pedals. The rear wheel is fixed on the frame through a rear wheel axle, and a transmission mechanism driving the rear wheel to rotate is arranged at the lower end of the frame and comprises a cam, a crank, a connecting rod, a slide bar and a roller, wherein the cam is fixed on the inner sides of the pedals, the crank is fixed on the rear axle, the rear end of the connecting rod is rotatably connected with the crank, the slide bar is connected with the front end of the connecting rod, the roller is rotatably connected at the front end of the slide bar and is in circumscribed rolling connection with the cam, one side of the rear end of the slide bar is connected with a bearing through a short shaft, guide rails allowing the bearing to slide on are arranged in the frame between the rear axle and the pedals, a gas spring is connected to the short shaft, and the rear end of the gas spring is fixed on the frame. The chainless bicycle based on cam-crank-slide bar transmission has the advantages of simple structure, little friction force, time saving, high efficiency, less proneness to faults, capability of achieving chainless transmission to avoid chain falling and trousers clamping, high speed, easiness in maintenance and modification on an existing bicycle and the like.

The invention discloses a brushless excitation-type generator set rotation diode detection system. The system comprises a large shaft gap detection coil, a first current induction detection coil, a second current induction detection coil and a state detection module. The large shaft gap detection coil, the first current induction detection coil and the second current induction detection coil are arranged in a periphery of a static part of a generator set respectively. The state detection module is used for detecting whether a rotation diode branch has a fault according to induction signals of the large shaft gap detection coil, the first current induction detection coil and the second current induction detection coil and carrying out alarm when the fault is discovered. The invention also discloses a brushless excitation-type generator set rotation diode detection method. In the invention, a sensor does not need to be additionally installed; through using a rotation rectification excitation type generator set, arrangement positions of the detection coils depend on a generator body structure; and positioning, alarm, fault and other development functions can be realized.

A method and/or system is provided for detecting inclusions (e.g., nickel sulfide based inclusions/defects) in soda-lime-silica based glass, such as float glass. In certain example instances, during and/or after the glass-making process, following the stage in the float process where the glass sheet is formed and floated on a molten material (e.g., tin bath) and cooled or allowed to cool such as via an annealing lehr, visible light from an intense visible light source(s) is directed at the resulting glass and thermal imaging is used to detect inclusions based on a temperature difference between the inclusions and surrounding float glass. In another example embodiment, inclusion detection may be performed without exposure of the glass to light from a light source(s). Inclusions and surrounding glass may cool at different rates and be at different temperatures just prior to and/or after an annealing lehr, and a difference in residual temperature between inclusions and surrounding glass may be detected via thermal imaging and identified to identify inclusion(s).

The invention relates to the field of LED display screen detection, and discloses an LED display screen fault self-detection method and an LED display screen fault inspection method. A power detection element is used as a detection source, the existing LED display screen circuit structure is not changed, the method is simple and easy to implement, and the production cost is not increased; LED lamp bead faults can be detected point by point, and output faults of output pins of a constant current/constant voltage chip can be detected; output or input faults of two adjacent constant-current/constant-voltage chips can be detected, faults of the first constant-current/constant-voltage chip of the LED control card and the LED universal unit module can be detected, output and input faults of two adjacent LED universal unit modules can be detected, and output power of a power supply can be automatically adjusted when faults of a part of the power supply are detected or the temperature of a working environment is changed; and the fault detection result is uploaded to an external network platform or network equipment.

The invention discloses a fault positioning method and device for a business board card; the method comprises the steps: monitoring whether the business board card enters another operation stage from a current operation stage or not after power-on; if it is monitored that the own service board card enters the other operation stage from the current operation stage, writing first identification information corresponding to the other operation stage into a first set memory included in the own service board card, After monitoring that the management board card cannot establish communication connection with the own service board card within a set duration, acquiring, by the management board card, the first identification information in the first set memory, and determining an operation stage corresponding to the first identification information according to a first corresponding relationship between the identification information and the operation stage, thereby obtaining the fault operation stage of the self service board card. According to the scheme, the fault of the service board card can be positioned.

The embodiment of the invention discloses a detection method and device for a vehicle control unit, which relate to a vehicle detection technology, and can solve the problem that the detection efficiency is low in the detection process of an existing vehicle control unit. The method provided by the embodiment of the invention mainly comprises the steps that a vehicle operation record is acquired, the vehicle operation record is operation data acquired in the operation process of a tested VCU in a vehicle, and the vehicle operation record comprises data in the unexpected shutdown fault process of the tested VCU; according to the vehicle operation record, a simulation test is conducted on the tested VCU, and test data in the simulation test process is obtained, wherein the test data includes VCU signal data obtained during the simulation test of the tested VCU; target data in the vehicle operation record is determined according to the test data and a deviation value between the VCU signal data in the vehicle operation record; and the fault cause of the tested VCU is analyzed according to the target data. The embodiment of the invention is mainly suitable for the detection process of the vehicle control unit.

The invention provides a pressure monitoring unit for an online analysis instrument. The pressure monitoring unit comprises an analyzer body; the analyzer body is provided with a gas circuit module; one side of the gas circuit module is connected with an external to-be-detected gas source; the other side of the gas circuit module is connected with a pressure monitoring module; and the pressure monitoring module converts a pressure value into an electric signal through a pressure sensor and transmits the electric signal to a monitoring circuit module. The pressure monitoring module converts thepressure value into the electric signal through the pressure sensor, the pressure monitoring module is connected with an online analysis instrument system through the gas circuit module, the monitoring circuit module is a main control unit, AD conversion and recording can be conducted on the electric signal of the pressure monitoring module, and meanwhile current pressure is analyzed; and when the pressure value fluctuates abnormally, a signal is sent to a user through a communication transmission module, and then timely response can be made when an external gas generator breaks down or the pressure of a steel cylinder gas source is insufficient.

The invention relates to a system for automatic and continuous sampling of dioxins. The system comprises a sampling probe, a cooling unit, an adsorption unit, a water removal filtration unit, a gas extraction unit, a control unit and a measurement unit, wherein the sampling probe, the cooling unit, the adsorption unit, the water removal filtration unit and the gas extraction unit are connected insequence; the control unit is respectively connected to the gas extraction unit and the measurement unit; the measurement unit comprises a flue gas temperature measurement device, a flue gas flow velocity pressure measurement device and a mass flowmeter; the flue gas temperature measurement device is used for measuring the temperature of flue gas to be measured; the flue gas flow velocity pressuremeasurement device is used for measuring the flow velocity and the pressure of the flue gas to be measured; and the mass flowmeter is used for measuring the flow rate of the sample gas extracted by the gas extraction unit. The system disclosed by the invention can be used for continuously and automatically sampling for a long time.