59results about How to "Reduce huge losses" patented technology

The invention discloses a charging system power distribution method. The method comprises: receiving a power distribution request sent by a charging pile; acquiring state information of each power module in the idle queue; calculating a health value of each power module according to the state information by utilizing a load balancing algorithm; and selecting the optimal power module from the idlequeue according to the health value, and allocating the optimal power module to the operation queue of the charging pile. According to the invention, the optimal power module is selected from the idlequeue according to the health value and is allocated to the operation queue of the charging pile, thereby achieving the purpose of balancing the loss of each power module, effectively reducing the fault rate of the power modules, improving the stability of a charging system, and reducing the probability of huge loss. The invention also provides a charging system power distribution system and device, and a computer readable storage medium, which have the above beneficial effects.

The invention discloses a machine vision detection method and a system of a boiler pipeline surface defect. The method comprises the following steps of firstly, collecting a certain number of boiler pipeline surface images and taking as sample images; carrying out preprocessing, dimension reduction and characteristic merging on the images; then, using a genetic algorithm and a SMO algorithm to solve a classification hyperplane with highest accuracy; using the optimal classification hyperplane to determine a decision function; and then, through the decision function, carrying out real-time detection on the boiler pipeline surface images to be detected collected by an industrial camera. In the invention, a classification model is simple and reliable, a correct rate of defect identification is high; and compared with manual boiler surface defect detection, detection efficiency of machine vision detection is greatly increased.

The invention discloses a lifting and heightening method for frame bridge, which adopts the following construction steps: 1. The wall body of the bridge body is cut and cushioned temporarily; 2. A jack is installed; 3 the bridge body is lifted at stable pressure and slow speed; 4. The steel bars of the wall body of the bridge body are welded and bond, the supported framework is filled with concrete; 5. The bridge top performs waterproof treatment and the joints perform waterproof treatment. In the method, by cutting down the wall body, the bridge top plate and partial wall body are lifted and heightened, after lifted up to the designed standard height, the wall bodies at four sides are welded with main bars and bond with distribution bars and stirrups, and then are filled with concretes to heighten the partial wall body, thereby realizing heightening of frame bridge and reaching current use requirements. In the method, no bridge body needs to be detached during construction, no scaffold needs to be used, no the traffic under the bridge needs to be closed so as to reduce large loss of closing road, save a large amount of engineering cost, and also avoid a large amount of building rubbish generation while generating great economic benefits.

The invention provides a urban road greenbelt LID (low impact development) bioretention trough construction method. The construction method sequentially comprises the following steps: excavating grooves and pits; installing a plastic product inspection well and a municipal pipe network connecting pipe; implementing concrete trench wall construction; paving sand on a basement; paving an impermeable membrane; paving and adding a pebble bed; installing an HDPE (high-density polyethylene) perforated pipe and filling the perforated pipe with pebbles; paving and illuminating a permeable geotextile on lower layer; adding and paving a sand filter bed; paving and illuminating a permeable geotextile on upper layer; installing curbs at two sides; implementing back-filling with a planting soil layer; installing rainwater grates and well coves and implementing construction of a gravel block belt; planting plants; and implementing cleaning as well as acceptance and inspection. According to the construction method provided by the invention, a conventional drainage mode, adopted by urban roads, of direct discharging at a source and centralizing at an end, is changed, and a problem on drainage is solved; meanwhile, by planting the rainwater-cultivated plants in the bioretention trough in normal times, rainwater is utilized; and a urban heat island effect is solved and effects of lighting urban and beautifying environment are achieved.

The invention provides a lightning flashover risk evaluation method for a power system. The method comprises: obtaining a trip-out rate n of a line; obtaining an importance degree k1 of the line in a same-level power grid; obtaining a probability k2 of unsuccessful re-switch-on of the line which is tripped out due to lightning; and according to n, k1 and k2, establishing a regional power grid lightning flashover risk model R (R=nXk1Xk2) and obtaining a lightning flashover risk R of a power transmission grid. According to the scheme, the influence of each edge on network performance is measured based on edge betweenness and then a vulnerable region influencing the performance of the power transmission grid is analyzed, so that a lightning protection scheme of the line is designed according to local conditions, the protection of the vulnerable region is properly enhanced, and the reliability and stability of power supply are improved; and meanwhile, comprehensive evaluation is performed in combination with the trip-out rate n of the line and the probability k2 of unsuccessful re-switch-on of the line which is tripped out due to lightning, so that the lightning flashover risk of the power system can be evaluated more accurately. The method has important significances for reducing huge losses of the power grid due to faults of important lines.

The invention relates to pheromone cockroach attractant, a bait for attracting cockroach to feed, belonging to a pest attractant containing organic compound. The specific formula of the pheromone cockroach attractant comprises the following components in percent by weight: 45% of flour, 10% of white sugar or edible oil, 10% of borax, 5% of slow-release agent and 30% of water; according to the ratio, the components are uniformly mixed to obtain food; 1-10mg/kg of pheromone (powder) is added into the food, and the pheromone and the food are stirred to be uniform; and the bait is used when being made into powder or granules. The pheromone cockroach attractant has the characteristics of good safety, strong food calling force, no drug resistance, no environmental pollution and long-term control and can realize environmental protection and ecological control.

The invention provides an intelligent collision prevention control system for an automobile, which aims to solve the problem of the collision of the automobile and has the advantages that: if an obstacle suddenly appears in a short distance in a traveling process, the automobile can quickly avoid the obstacle, so that the security of persons and the automobile is ensured; and at the moment when being aware of a danger, a driver emergently brakes the automobile by instinct, namely, the automobile is automatically switched to be controlled by the control system so as to avoid the danger. When a sensor detects that some person or object is only meters away from the automobile, the automobile is controlled to quickly avoid the person or the object and then quickly returns to an original path; and if obstacles may continuously appear and the automobile is not stopped, the automobile is controlled to continuously avoid the obstacles and then returns to the original path until being stopped.

The invention provides a processing method and a processing device used after the completion of an alarm information transmitting process. The method comprises the following steps of: after a mobility management entity (MME) sends a writing-replacing alarm request message to an evolution node B (eNB), determining a region where alarm broadcasting fails according to a writing-replacing alarm response message which is returned by the eNB and corresponds to the writing-replacing alarm request message; and controlling the eNB to retransmit alarm information to the region where alarm broadcasting fails. By the method, all users in the region where alarm broadcasting fails are effectively informed of disaster information related to an earthquake and seaquake alarm system in time, so that escape or precaution alarms are emitted for the users and huge life and property losses at the occurrence of a disaster can be further reduced to the maximum extent.

The invention discloses a method for researching an influence of transportation vibration on pitaya quality. The pitaya is subjected to treatment processes such as selection, cleaning and disinfection, blow-drying, packaging, vibration and storage and the like. The method is characterized by washing the selected pitaya with tap water; soaking and disinfecting with a 50 mg/L chlorine dioxide solution, immediately wiping with absorbent paper, and blow-drying water drops on peel at the same time; and putting the clean pitaya on a vibrating table in environment of 8 DEG C and 20 DEG C, vibrating for 72 hours at a rotating speed of 150 rpm, and storing for 12 days. According to the method, the influence of vibration on the pitaya can be simply, conveniently and effectively explained, an effectof reducing vibration damage to the pitaya is achieved at a low temperature, a new thought is provided for researching the influence of vibration on the pitaya, and a certain popularization value is achieved.

The invention discloses an industrial control protection system of an electrical cabinet. The industrial control protection system comprises a control system and an electrical cabinet body. The control system is connected with a man-machine interaction module, an alarm module, a fire alarm monitoring module and a fire fighting module. The fire alarm monitoring module comprises a temperature sensorand a flame sensor, and the fire fighting module comprises a pressure sensor and a power outage module. A base is arranged on the outer surface of the lower end of the electrical cabinet body, and aside protection shell is arranged on the outer surface of the upper end of the base. A fire extinguisher is arranged on the inner side of the side protection shell, and a solenoid valve is arranged onthe outer surface of the upper end of the fire extinguisher. The industrial control protection system of the electrical cabinet has a fire prevention function; fire extinguishment can be carried outin time when a circuit in the electrical cabinet is burnt down; and the pressure condition in the fire extinguisher can be detected and fed back in time, fire extinguishing materials in the fire extinguisher can be replenished in time, and better use prospects are achieved.

The invention discloses a double PCR rapid detection kit of Portunus trituberculatus Vibrio natriegens. The kit comprises a negative control, a Vibrio natriegens XA1 strain DNA as a positive control, a PCR buffer solution containing Mg<2+>, dNTP and DNA polymerase, and a primer pair. The method also discloses a double PCR rapid detection method of Portunus trituberculatus Vibrio natriegens. The method comprises extracting a DNA template, preparing a PCR premix solution, carrying out PCR amplification, after the amplification reaction, carrying out electrophoresis and observing the result through an ultraviolet analyzer, wherein if the bands appear at 308bp and 526bp, the detection result is positive, otherwise, the result is negative. The kit and method have high sensitivity, has the lowest detection limit of 13.2pg of the Vibrio natriegens genome DNA, is easy to operate, is free of specialized technicians, has short whole process time and has low time consumption.

The invention provides a communication pipe deformation monitoring device and method. The device comprises a distance measuring apparatus, a fan-shaped guide rail and a main control apparatus. The fan-shaped guide rail is installed along the inner wall of the mouth of a communication pipe, and the distance measuring apparatus faces the interior of the pipe and is connected to the fan-shaped guiderail. The distance from the mount of the communication pipe to the tail end of the communication pipe is measured, and the distance measuring apparatus can move along the fan-shaped guide rail. The distance measuring apparatus is connected with a main control apparatus. A communication pipe deformation monitoring method comprises the steps: controlling a stepping motor to operate at a fixed time interval through the main control apparatus, driving the distance measuring apparatus to move from one end of the fan-shaped guide rail to the other end for one measurement; determining that there is no abnormality if the difference between the measured data and an initial value does not exceed a set threshold; determining that the abnormality happens if the differences between the measured data, obtained through three continuous measurements, and the initial value exceed the set threshold and the measured data obtained through three continuous measurements is the same, giving an alarm to an upper computer, and uploading the position of an abnormality. The measurement data is stable and reliable, and the method and device can achieve the direct early warning of the deformation trend.

The invention discloses a power electrical cabinet with a temperature standard-exceeding alarm function and a using method thereof. The power electrical cabinet belongs to the technical field of electrical fire prevention and comprises a power electrical cabinet body and an intelligent control system arranged on one side of the power electrical cabinet body, a thermocouple sensor is arranged on the inner side wall of the power electrical cabinet body, and a carbon dioxide fire extinguisher is arranged at the bottom of the inner side wall of the power electrical cabinet body. In the present invention, a thermocouple sensor, a microcontroller, a fire extinguishing drive circuit, an electromagnetic control valve, a carbon dioxide fire extinguisher, an electric push rod, a voice drive circuit,a voice player, an SIM card circuit, a monitoring alarm device and an intelligent terminal are matched with one another; the carbon dioxide fire extinguisher is used for extinguishing fire, automaticand timely fire extinguishing in the electric power electrical cabinet body is achieved, the fireproof performance is good, huge losses caused by fire disasters are reduced, multiple alarm protectionis achieved, and more losses caused by chain reaction due to the fact that the temperature in the electric power electrical cabinet body is too high are further reduced.

The invention discloses an uvioresistant absorber used for a pesticide preparation, and the uvioresistant absorber is isothiazole carboxamides , and accounts for 0.01-1% by mass in a pesticide preparation. The uvioresistant absorber can be added into the pesticide preparation to reduce active ingredient decomposition caused by sunlight or ultraviolet radiation in the storage, transportation, especially applying processes of light-sensitive pesticide active ingredients, and can improve the utilization rate of the pesticide active ingredients, prolong the half-life of the active components, and improve the stability of the pesticide active ingredients. By use of the uvioresistant absorber, the insecticide and germicide control effect of the pesticide preparation can be improved, the persisting pesticide efficacy is prolonged, and the pesticide dosage is reduced.

The invention provides a concealed type cut-off dam for military defense and aims to solve the problems that the concealed type cut-off dam for military defense can effectively reduce flood disasters and reduce massive losses caused by the flood disasters in case that Three Gorges hydro-junction or Dan jiangkou hydro-junction is subjected to war damage and floods. According to the technical scheme, the concealed type cut-off dam is built in a gorge which is closest to the upstream of the hydro-junction, the cut-off dam is started to cut off stream when the hydro-junction is subjected to war damage or earthquake, and the water draining quantity is controlled within a normal range. The cut-off dam for military defense is an underground secret building which is difficult to find by an enemy and has strong impact resistance.