48results about How to "Reduce huge economic losses" patented technology

The invention discloses a diamond-cubic boron nitride type universal superhard cutter material, a cutter and a preparation method of the material. The material is characterized in that diamond and cubic boron nitride are used as raw materials, the pre-treatment and the forming are performed on the raw materials to obtain a blank; the blank assembled with a sintering unit is arranged in a high temperature and high pressure device, wherein the intensity of pressure is 7-25GPa, the temperature is 1000-2700 DEG C, the sintering solution strengthening lasts for 10s-30min, the sizes of obtained crystal grains are uniform, and interfaces of the crystal grains are tight and closed; the compact-structure diamond-cubic boron nitride type universal superhard cutter material which is high in atomic density, is in a three-dimensional network shape and has strong covalent bonds can be formed by boron atoms, carbon atoms and nitrogen atoms at the crystal interfaces between the diamond and the cubic boron nitride. The universal superhard material is processed into a cylinder with the same height; two ends of the cylinder are polished and finished and then are processed to be in triangular cylinder shapes with the side lengths and the thicknesses of 2-3mm, the processed cylinder and a steel alloy base body are welded under the vacuum degree being 1*10<-3>Pa at the temperature being 800 DEG C, and then the laser processing is performed, so that the superhard alloy cutter in which the radius of the circular arc of the knife point is 0.4-0.8mm is obtained.

The invention discloses a forest fire detection device. The forest fire detection device comprises a base, a pillar arranged at the bottom end of the base, a solar cell panel arranged at the top end of the pillar, and a forest fire detection box arranged on the pillar; a forest fire detection system is arranged in the forest fire detection box; the forest fire detection system comprises an ARM (Advanced RISC Machine) microcontroller module, a storage battery, a DSP (Digital Signal Processor) module, a data storage module, a GPRS (General Packet Radio Service) wireless communication module, and a signal conditioning circuit module; an amplification circuit, a filter circuit and an A / D (Analog-to-Digital) converting circuit are connected with one another sequentially so as to form the signal conditioning circuit module; input ends of the amplification circuit are connected with a temperature sensor, a humidity sensor and a smoke sensor; an input end of the DSP module is connected with an infrared camera; and output ends of the ARM microcontroller module are connected with a sound-light alarm circuit module and a solar controller. The forest fire detection device of the invention has the advantages of high intelligence, capacity for realizing 24-hour uninterrupted effective monitoring, and excellent energy-saving effect.

The invention discloses an optimizing method of using nick prevention and control as target in cold steel strip continuous-rolling machine, collecting equipment, steel strip characteristics, rolling process and other parameters of a cold continuous-rolling machine, and giving set values of initial tension and reduction of each machine frame, then separately finding skid factor and nick integrated judgment index value of each machine frame, and finding target function set for rolling rule optimization; then judging whether the target function meets Bauer' conditions, and finding the optimum tension and reduction set values. And it intrudes nick judgment concept, considers all machine frames of the cold continuous-rolling machine as a whole, and uses nick prevention and control as target to make on-line optimization settings on rolling rules, and can largely increase rolling speed and improve steel strip surface quality, and largely reduce huge economic losses of enterprises on the premise of assuring quality of products.

The present invention relates to the coordinated control method of torsional stress relay in large thermal power plants' generators (300 MW and above), which will be adopted when shaft torsional oscillations occur. This invention also publishes a method of realizing selective trip the generators and the trip criterions which are implemented by the torsional stress relay and coordinated control master station (Tmaster). Tmaster will real-time monitor the operating status of the generators and TSR, TMaster will also real-time generate a trip priority level sequencing by analyzing the unit output.When generators occur subsynchronous resonance and shaft torsional oscillation, this method can ensure that TSR will trip some generators of the power plant according to the real-time generated trip strategy to inhibit the shaft torsional oscillation and safeguard the units. This method can also avoid the tremendous economic loss caused by tripping all the generators, and that will reduce the hazard to the transmission grid.

The invention relates to a device and a method for estimating performance degradation of equipment based on an inspection system. The device comprises a vibration analyzer and a PC (Personal Computer) machine, wherein a data colleting and signal processing module, a performance degradation estimating and diagnosing module, an information interacting module and a model training module which are mounted on the vibration analyzer and the PC machine are used for implementing the estimation; the data colleting and signal processing module is used for finishing the vibration signal data collection and extracting feature vectors; the performance degradation estimating and diagnosing module is used for performing information fusion on the feature vectors, estimating the performance index of the equipment by combining model parameters and outputting an estimating result; the information interacting module is used for finishing the interaction between the feature vectors and the model parameters; and the model training module is used for establishing an equipment performance degradation estimating model and outputting the model parameters. According to the device provided by the invention, the vibration analyzer is used for accurately and timely monitoring and estimating the performance degradation state of the present equipment on an industrial field; the device can be used for forecasting the performance trend of the equipment; excellent reference and basis are supplied to the equipment management and maintenance; the running reliability of the equipment is enhanced; and the maintenance cost of the equipment is lowered.

The invention provides a method for performing crassostrea hongkongensis artificial breeding by using the northern high-temperature period. The method aims at the technical problem of the crassostrea hongkongensis breeding; new technologies of a parent oyster high-temperature ecological maturity promotion culture technology, a fast oviposition inducing technology, a special attachment base seedling harvesting and crushing technology and the like are developed; idle seedling breeding workshops in the northern high-temperature period are used for realizing the novel northern breeding and southern culture breeding mode; the method is a key point for solving the difficult problem. Meanwhile, the problems of low growth speed, long culture period, high death rate and the like of the crassostrea hongkongensis natural seedlings can be solved; particularly, the existing habit that the natural seedling collection, breeding and harvesting are all operated on the sea is changed; the economic loss of mariculture caused by natural hazards such as typhoon and rainstorm in south coast can be obviously reduced; meanwhile, the utilization rate of the northern high-temperature period seedling culture workshops is also improved. Practices prove that the southern culture of northern seedlings of the crassostrea hongkongensis is realized; the culture time of the crassostrea hongkongensis is shortened by 0.5 to 1.0 year; the culture survival rate is improved by 30 to 50 percent.

The invention relates to a grid segmentation-based large-scale vehicle road network real time speed limit calculation method. According to the method, a three-level grid design strategy is adopted; the Euler distance algorithm is adopted to match roads; and a distributed storage and deployment mode is adopted to realize parallel computation. The grid segmentation-based large-scale vehicle road network real time speed limit calculation method includes the following steps that: 1, region division is performed on a transportation road network according to latitudes and longitudes; 2, first-level grids and second-level grids are formed through division; 3, grid data are generated; 4, the data are initialized; and 5, real-time road speed limit calculation is carried out. The algorithm is simple and efficient and can accurately match the roads. The deployment of a system just needs several physical machines, and therefore, the method is low in cost. The method can be applied to a monitoring platform of road transportation vehicles, so that the monitoring platform can process road section-based speed limit calculation of a large number of transportation vehicles distributed at various locations of China simultaneously, and a fast and effective means can be provided for transportation enterprises and government supervision departments to realize road section-based speed limit prompting for all vehicles on roads in the jurisdiction ranges of the transportation enterprises and government supervision departments, and the driving safety of the road transportation vehicles can be improved, and the safety of people, vehicles and cargos involving in transportation can be ensured, and economic loss brought by accidents caused by speeding can be decreased.

The invention discloses a dam exceeding-standard flood diversion siphon frieze group and belongs to the technical field of dam flood diversion hydraulic engineering. The siphon frieze group can disperse and bleed the exceeding-standard flood to farmland directly to protect the dam and is simple in structure, convenient to finalize, design, produce and transport, convenient and fast to construct, and low in cost. The siphon frieze group comprises a trash rack (2) arranged at the outside of an inlet of a siphon body (5); the siphon body (5) is connected with a water input tube belt valve (6); the tail end of the siphon body (5) is provided with a water output belt clamp valve (8); the water output belt clamp valve (8) is connected with a water output belt (9) made of a rigid body framework artificial synthetic material; an outlet of the water output belt (9) made of the rigid body framework artificial synthetic material is arranged above an apron (10-2) made of an artificial synthetic material; the downstream of the apron (10-2) made of the artificial synthetic material is connected with a rope net pile sandbag baffle sill (11); and the downstream of the rope net pile sandbag baffle sill (11) is connected with an apron extension (10-3) made of an artificial synthetic material. The siphon frieze group is suitable for controllable flood diversion of exceeding-standard floods for dikes, dams and auxiliary dams and dam flood diversion and rescue.

The invention discloses a nonlinear system self-adaptive neural fault-tolerant control method. A multi-input multi-output nonlinear system is established, and an intermittent fault model is adopted toobtain an actuator state; a multi-input single-output extreme learning machine neural network is adopted to approach an uncertainty function in the multi-input multi-output system; then an inequalityis introduced to avoid the singularity problem of the controller; and finally the bounded performance of the estimated parameters is guaranteed by adopting a projection operator. According to the method, the uncertain function of the system is approached by adopting the extreme learning machine, so that the dependence on system prior knowledge is reduced; a continuous inequation is introduced, sothat the singularity of the controller is avoided, and meanwhile, the bounded performance of the estimated parameters is guaranteed by adopting the projection operator; the boundary of jump parameters caused by the fault of the intermittent actuator is determined clearly, so that the influence of an unknown actuator intermittent fault and an unknown correlation item on the system can be effectively compensated.

The invention discloses a transformer substation flame identification algorithm adopting enhanced RGB component features. The algorithm comprises the steps of 1, obtaining transformer substation videodata and performing image preprocessing; 2, processing basic RGB component features; 3, processing enhanced RGB component features; 4, performing dynamic detection based on the enhanced RGB componentfeatures; and 5, identifying a flame phenomenon. According to a calculation method, the flame phenomenon in a transformer substation scene can be enhanced through the enhanced RGB component feature processing; when a small amount of light flames occur, identification also can be accurately performed; in combination with the dynamic detection of the enhanced RGB component features and the detection of the basic RGB component features, the influence of an interference source on the algorithm can be effectively avoided; and by timely discovering accidents, the safety of a transformer substationcan be improved.

The invention discloses a real-time monitoring method based on multi-sensor fusion and used for the action of a fire-fighting robot. The real-time monitoring method comprises he following steps: obtaining the video of a fire scene in real time through a camera, acquiring the movement information of the fire-fighting robot in real time through an angular speed sensor and a gravity sensor, and carrying out fusion processing, resolving the attitude change data of the fire-fighting robot in real time, and carrying out image pre-processing on video frames; identifying a straight travelling mode ofthe fire-fighting robot according to the dynamic change features of a triaxial acceleration module value obtained by the angular speed sensor and in combination with the resolved course angle of the fire-fighting robot; after acquiring and processing images, building an image identification model through a model of a convolutional neural network; and identifying and obtaining a target ignition point position according to the image identification model, designing different steering control with regard to the different target ignition point positions according to the target ignition point position identified by the image identification model, and carrying out robot fire-extinguishing operation. The real-time monitoring method further comprises the steps of clustering and classifying for therobot fire-extinguishing action.

The invention discloses a double-terminal location method for fault points of an electric transmission line.The double-terminal location method is applied to optical fiber differential protection appearing in pairs, special algorithm operation is achieved through the protection device, automatic collecting of current and voltage of two-side lines can be achieved through two-side differential protection, and the opposite-side electrical quantities are subjected to two-way transmission through optical fibers.The double-terminal location method includes the following steps that 1, the faulted electrical quantities are calculated; 2, the numerical values of the voltage quantities at the faulting positions are calculated; 3, the values of the current quantities at the faulting positions are calculated; 4, the calculated results in the step 3 and the step 4 and the resistance characteristic of ground resistance are used to obtain the final fault-location result.

The invention discloses a method for eliminating fog by means of sound waves. The method for eliminating the fog by means of the sound waves is characterized in that a main device used when the fog is eliminated by means of the sound waves is a sound wave fog eliminating device, and the sound wave fog eliminating device is mainly composed of a signal generator, a power amplifier, a loudspeaker and a power supply. The signal generator can generate an electric signal at a certain frequency, the electric signal can be amplified by the power amplifier, the loudspeaker can convert the electric signal into a sound signal, and the power supply is used for supplying power. When the fog appears, the power supply is powered on, the electric signal at the frequency between 15 GHz and 0.5 GHz is generated by the signal generator and is amplified by the power amplifier, the electric signal output by the power amplifier is converted into a sound signal by the loudspeaker, vapor in the fog vibrates along with the sound waves, small water drops are converged into big water drops, then rainwater is formed and falls on the ground, and the fog is eliminated rapidly. By the adoption of the method for eliminating the fog by means of the sound waves, serious harm and threats caused by the fog to people on the aspects of traffic activities, agricultural production, electric power supply, health and safety are well avoided, and normal agricultural production and normal life, traveling and health of people are guaranteed.

The present invention relates to the coordinated control method of torsional stress relay in large thermal power plants' generators (300 MW and above), which will be adopted when shaft torsional oscillations occur. This invention also publishes a method of realizing selective trip the generators and the trip criterions which are implemented by the torsional stress relay and coordinated control master station (Tmaster). Tmaster will real-time monitor the operating status of the generators and TSR, TMaster will also real-time generate a trip priority level sequencing by analyzing the unit output.When generators occur subsynchronous resonance and shaft torsional oscillation, this method can ensure that TSR will trip some generators of the power plant according to the real-time generated trip strategy to inhibit the shaft torsional oscillation and safeguard the units. This method can also avoid the tremendous economic loss caused by tripping all the generators, and that will reduce the hazard to the transmission grid.

The invention discloses a method for eliminating haze in an airport by means of sound waves. The method for eliminating the haze in the airport by means of the sound waves is characterized in that a haze eliminating device used when the sound waves are used for eliminating the haze and is mainly composed of a signal generator, a power amplifier, a loudspeaker box and a power supply, and the haze eliminating device is installed at a set position of the airport. When the haze appears in the airport, the power supply is powered on, the signal generator generates an electric signal at the frequency between 15 GHz and 0.5 GHz, the electric signal is amplified by the power amplifier, the electric signal output by the power amplifier 2 is converted into a sound signal, vapor in the air vibrates along with the sound waves, small water drops are converged into big water drops, then rainwater is formed, dust particulate matter in the air is infused in the rainwater and falls to the ground along with the rainwater, and the haze is eliminated rapidly. By the adoption of the method for eliminating the haze in the airport by means of the sound waves, the problem that normal taking off and landing of a plane are influenced by the haze in the airport is well solved; the haze can be eliminated rapidly, normal taking off and landing of the plane are guaranteed, great convenience is brought to travelers when the travelers go out, and meanwhile the great economic loss caused by haze is reduced.

A method for remanufacturing an ultra-large copper nut includes steps of: step (1) coarsening treatment; step (2) purifying treatment; step (3) detecting a material of the ultra-large copper nut; step (4) sleeving a thermal insulation device; step (5) preheating the ultra-large copper nut; step (6) melting-deposition shaping; step (7) post-processing; and step (8) detecting. The method of the present invention simultaneously utilizes water, electricity, gas, fire and machine and performs melting-deposition on materials by simultaneously supplying water, electricity, gas, fire and machine according to the designed requirements. The method of the present invention solves problems of large thickness abrasion and remediation of fracture components. The method of the present invention is capable of preventing the ultra-large copper nut from deformation and collapse and is a feasible remanufacturing for decreasing the huge economic loss caused by damages of expensive ultra-large of nonferrous metals.

The invention relates to a reinforced concrete pool wallboard deformation simulation testing machine. The reinforced concrete pool wallboard deformation simulation testing machine comprises a test piece base, an environment simulation system and a laser scanning device. The reinforced concrete pool wallboard deformation simulation testing machine can simulate the temperature and humidity of the application environment of the reinforced concrete pool wallboard and / or the temperature and humidity of the hardening process environment, scans the reinforced concrete pool wallboard by using the laser scanning device, analyzes a scanning image generated by the laser scanning device, and can konw the deformation condition of the reinforced concrete pool wall plate, so that the deformation conditions of different reinforced concrete pool wall plates and high-risk areas where cracks are cracked can be detected.

The invention relates to a simple and reliable physical scale inhibition effect detection method and scale inhibition method, aiming at solving the problem that scale inhibition effect can not be detected. The method includes that chloridion concentration of operation water of the equipment and total hardness of operation water of the equipment as well as total hardness of make up water and chloridion concentration of the make up water are measured when wading equipment carries out physical scale inhibition, and the supposed total hardness of operation water of the equipment is calculated according to the following formula, (chloridion concentration of operation water of the equipment / chloridion concentration of make up water)*total hardness of make up water; and the supposed total hardness of operation water of the equipment minuses the actually measured total hardness of operation water of the equipment, and a difference is obtained, and the difference is namely the scale amount separated out by virtue of physical scale inhibition. When the ratio or difference of the supposed total hardness of operation water of the equipment and the measured total hardness of operation water of the equipment is lower than the specified value, pollution discharge frequency or discharge capacity is increased accordingly, and water replenishing frequency or make up water is increased; or scale inhibition level of physical scale inhibition equipment is improved accordingly. The invention can monitor physical scale inhibition control effect in real time, thus avoiding that the equipment is damaged by control failure. The physical scale inhibition method of the invention is simple and feasible and is safe and reliable, not only manpower is saved, but also the equipment is ensured to operate safely.

The invention discloses a dam over-standard flood diversion siphon belt and belongs to the technical field of dam flood diversion water conservancy projects. The dam over-standard flood diversion siphon belt can achieve farmland controllable floor diversion over-standard flood dam protection and dynamic floating body outlet novel energy dissipation, has the advantages of deflecting flow, face flow and bottom flow, and is applicable to any topographic and geologic condition. The dam over-standard flood diversion siphon belt is simple in structure, fast to build and low in manufacturing and is characterized in that a trash rack (2) is installed on the outer side of an inlet of a siphon body (5), the siphon body (5) is connected with a water injection pipe valve (6), the downstream tail end of the siphon body (5) is provided with a check butterfly valve (8), the outer side of the downstream tail end of the siphon body (5) is connected with a rigid framework artificial synthetic material water conveying belt (9) which is connected with an artificial synthetic material water conveying belt (10), and the tail end of the artificial synthetic material water conveying belt (10) is connected with a dynamic floating body outlet (11). The dam over-standard flood diversion siphon belt is applicable to dike and dam controllable emergency flood diversion and flood-fighting and emergency rescues.

The invention provides a shock insulation structure for separating the upper story and the lower story in a two-story station. The shock insulation structure comprises a middle plate, side walls and amiddle column. The side walls are connected with the middle plate through ox horn legs. Friction sliding supports are arranged between the middle plate and the ox horn legs. A longitudinal beam of the middle plate is connected with the top end of the middle column through a lead core shock insulation support. According to the shock insulation structure for separating the upper story and the lowerstory in the two-story station, the damage degree of a two-story subway underground station structure in a strong earthquake can be greatly reduced, and therefore the overall anti-seismic property ofthe two-story subway underground station structure is improved.

The present invention discloses a fire prevention monitoring device with an infrared sensing function. The device comprises a shell, a mounting platform, a mounting rack, and an infrared detector. The shell is internally provided with the mounting platform. A detection base is disposed beside the mounting platform. A memory is disposed beside the detection base. A Bluetooth transmitter is disposed beside the memory. A battery case is disposed beside the Bluetooth transmitter. A charging base is disposed beside the battery box. A rear cover is disposed beside the charging base. A button is disposed beside the rear cover. An operation panel is disposed beside the button. A locking screw is disposed beside the operation panel. The mounting rack is disposed beside the locking screw. The infrared detector is disposed beside the mounting rack. The fire prevention monitoring device with the infrared sensing function has the beneficial effects that alarm information can be sent to a cellphone of an operator at an early stage of an accident, so that the accident is prevented timely, and great economic loss due to fire disaster is reduced.

The present invention provides a seismic isolation structure in which the upper layer and the lower layer are separated in a two-story station, including a middle plate, a side wall and a center column, the side wall is connected to the middle plate through horn legs, the middle plate is connected to the Frictional sliding bearings are arranged between the horn legs; the longitudinal beam of the middle plate is connected with the top of the central column by lead core shock-isolation bearings. The seismic isolation structure in which the upper layer and the lower layer are separated inside the two-story station can greatly reduce the damage degree of the two-story subway underground station structure in a strong earthquake, thereby improving the overall seismic performance of the two-story subway underground station structure.

The invention discloses an overlapped shield tunnel house foundation reinforcing structure adjacent to a house and a construction method, and relates to the field of tunnel construction. The overlapped shield tunnel house foundation reinforcing structure comprises a house, a municipal main road, a sidewalk, a municipal pipeline, a house foundation grouting area, a preceding shield tunnel, a preceding tunnel deep hole grouting area, a following shield tunnel and a following tunnel deep hole grouting area, wherein the sidewalk is located between the house and the municipal main road, the municipal pipeline is buried below the sidewalk, the house foundation grouting area is located below the sidewalk and is close to the house, the preceding shield tunnel is located below the house foundation grouting area, the preceding tunnel deep hole grouting area is located above the preceding shield tunnel, the following shield tunnel is located above the preceding tunnel deep hole grouting area, the following tunnel deep hole grouting area is located on the periphery of the following shield tunnel, and the preceding shield tunnel and the following shield tunnel are overlapped tunnels. According to the overlapped shield tunnel house foundation reinforcing structure, the problems that in the prior art, construction difficulty and risk are high, control is improper, major accidents such as house inclination and collapse, pipeline damage and road cracking are easy to cause, and extremely severe social influences and economic losses are generated are solved.

The invention discloses an optimizing method of using nick prevention and control as target in cold steel strip continuous-rolling machine, collecting equipment, steel strip characteristics, rolling process and other parameters of a cold continuous-rolling machine, and giving set values of initial tension and reduction of each machine frame, then separately finding skid factor and nick integrated judgment index value of each machine frame, and finding target function set for rolling rule optimization; then judging whether the target function meets Bauer' conditions, and finding the optimum tension and reduction set values. And it intrudes nick judgment concept, considers all machine frames of the cold continuous-rolling machine as a whole, and uses nick prevention and control as target to make on-line optimization settings on rolling rules, and can largely increase rolling speed and improve steel strip surface quality, and largely reduce huge economic losses of enterprises on the premise of assuring quality of products.

The invention relates to a long-distance high-speed safe connecting rod, and belongs to the field of mechanical drive and control. The long-distance high-speed safe connecting rod comprises a boss shaft flange, safety pins, a boss sleeve flange, a deep groove ball bearing, a Y-shaped seal, a first ball coupling, disc springs, a rigid connecting rod and a second ball coupling. The long-distance high-speed safe connecting rod is characterized in that the outer diameter of a boss shaft of the boss shaft flange is connected with the inner diameter of the deep groove ball bearing in an interference fit mode, and the inner diameter of a boss sleeve of the boss sleeve flange is connected with the outer diameter of the deep groove ball bearing in an interference fit mode; the safety pins are mounted in pin holes of the boss shaft flange and pin holes of the boss sleeve flange. The defects of original long-distance high-speed connecting rods are effectively overcome through improvement of the structure and the connecting process of the high-speed safe connecting rod. By means of the long-distance high-speed safe connecting rod, the equipment accident rate can be effectively lowered, the spare part cost is reduced, great economic loss caused by accidents is reduced, the labor intensity of workers is lowered, shutdown time is reduced by average 30 days every year, and production efficiency is improved.