174results about How to "Suitable for a wide range of environments" patented technology

The invention discloses an efficient non-isothermal compression molding device and method of an ultra-precision glass lens, for solving such problems caused by the existing isothermal hot compression molding device of a precision aspherical glass lens at home and abroad as the molding period is long, the molding efficiency and production efficiency are low, the service life of a mold is short, the utilization rate of the mold is low and the manufacturing cost of a workpiece is high. The non-isothermal compression molding device comprises a workbench, a lower mold holder, an upper mold holder, a pressurizing cloud deck, a vacuum hood, vacuum connecting tubes and the like. The non-isothermal compression molding device disclosed by the invention has the characteristic of parallel operation of heating, molding, annealing and cooling processes, the production efficiency is 2-3 times as high as before, the temperature difference fluctuation of the mold in each cycle can be decreased from more than 500 DEG C to 80 DEG C, the cold-hot fatigue of the mold is effectively reduced, the service life of the mold is significantly prolonged, the utilization ratio of the mold is improved, the manufacturing cost of the workpiece is greatly reduced, the large-scale production of the aspherical glass lens is significantly pushed forward and thus the non-isothermal compression molding device has significant economic value and social benefits and also has wide market prospects.

The invention relates to a method for measuring voidage of an asphalt concrete pavement core. The method is characterized by comprising the following steps of: respectively measuring the bulk density of an asphalt concrete pavement core sample and the maximum theoretical density of the asphalt concrete pavement core sample, and calculating the density according to a formula. The method for measuring voidage of the asphalt concrete pavement core is easy, convenient, feasible, real and reliable in data, low in cost and pollution-free and has high innovativeness.

The invention discloses a deep-buried gas pipeline leakage artificial intelligence detection system. The deep-buried gas pipeline leakage artificial intelligence detection system comprises a multi-field-source information acquisition system, a data processing and analyzing system and a monitoring and early warning system. The multi-field-source information acquisition system comprises a concentration field acquisition subsystem, a temperature field acquisition subsystem and a geoelectric field acquisition subsystem. The concentration field acquisition subsystem is used for acquiring concentration field data. The temperature field acquisition subsystem is used for acquiring temperature field data. The geoelectric field acquisition subsystem is used for acquiring geoelectric field data. Thedata processing and analyzing system receives the concentration field data, the temperature field data and the geoelectric field data and calculates variables of all the data and compares the variables with corresponding variable threshold values to judge whether an early warning signal is generated or not. The early warning signal generated by the data processing and analyzing system is transmitted to the monitoring and early warning system, and then the monitoring and early warning system gives a warning. Through the deep-buried gas pipeline leakage artificial intelligence detection system,a gas leakage acquisition system is established and used for acquiring corresponding technical parameters to prevent gas pipeline leakage.

The separating film air purifier includes wind pressure device and air separator, and features the air separator with one layer or several layers of separating film possessing densely distributed micropores. The several layers of separating film are so arranged orderly in the mrcropore sizes, that the separating film with largest micropores in the air entering side. The present invention adopts separating film with selectively penetrating capacity as the separating medium, and under the action of the wind pressure device, gas with molecules smaller than the micropores passes through the film while gas with molecules larger than the micropores is intercepted, reaching the aim of separating gas. The present invention has simple structure, high contaminated air separating efficiency and capacity of control operation.

The invention discloses powder composition used for preventing a termite. The powder composition used for preventing the termite comprises, by weigh, 20-60% of hexaflumuron and 0.2-0.6% of fipronil. The invention further discloses application of the powder composition used for preventing the termite and preparation and using methods of the powder composition used for preventing the termite.

The invention belongs to the field of chemical materials, and particularly relates to a concentrated high-efficient fire extinguishing agent and a preparation method thereof. The concentrated high-efficient fire extinguishing agent is prepared from the following raw materials: urea, ammonium chloride, ammonium sulfate, sodium bicarbonate, potassium carbonate, a sodium silicate gel solution, ethylene glycol, ammonium polyphosphate, a surfactant, a foaming agent and water. The fire extinguishing agent is fewer in raw materials, low in cost, high in fire extinguishing grade, wide in application range and good in anti-reflash performance; the fire extinguishing agent is low in freezing point, so that the freezing point is applicable to the low-temperature environment of the northeast area; the fire extinguishing agent is concentrated, and before use, the fire extinguishing agent is mixed with water according to a ratio of 1:16 and can extinguish fires of 2A and 89B, so that the fire extinguishing agent occupies small space when being stored conventionally; and the fire extinguishing agent is soluble in water, so that a uniform solution state can be reached immediately after the fire extinguishing agent is mixed with water.

The invention discloses an urban drainage network pollution tracing method, which comprises the following steps of: establishing a tree topology structure according to data of a GIS (Geographic Information System) platform, and determining a transmission path and nodes of a drainage network; monitoring the water quality condition of each node according to the tree topology structure; and when the water quality condition is abnormal, judging the nodes to be abnormal nodes, and determining pollution source nodes according to the transmission path of the tree topology structure. According to the urban drainage network pollution tracing method provided by the invention, based on the analysis of the topological network structure of the drainage network, the existing topological structure of the drainage network is optimized, and the express delivery and accurate analysis of the drainage network are realized in cooperation with various search algorithms.

The invention discloses a three-dimensional temperature field measurement system and method based on a pixel-level spectral light splitting detector. The system comprises a light field camera and a data processing module; the light field camera is used for obtaining light field image data of all object points in different directions on a target three-dimensional object; the data processing moduleis used for obtaining the real temperature of the three-dimensional temperature field of the target three-dimensional object according to the light field image data; the light field camera comprises adiaphragm, a main lens, a micro lens array and a pixel-level spectral light splitting detector which are arranged in sequence; the pixel-level spectral light splitting detector comprises a filter array and a detector pixel array which are tightly attached to each other; the filter array is located between the micro lens array and the detector pixel array; and the filter array comprises a plurality of spectral filters with different wavelengths. According to the three-dimensional temperature field measurement system and method, multispectral information of the target three-dimensional object can be obtained through one-time shooting; the structure of the system is simple, and data sampling is convenient.

The invention discloses an intelligent temperature measuring glove which comprises a heat resistant glove body. A temperature sensor is arranged on the outer side of the palm side of the heat resistant glove body. The intelligent temperature measuring glove is characterized in that the heat resistant glove body comprises an outer layer and an inner layer which are combined in an overlapped mode; a display module is arranged on the outer side of the hand back side of the heat resistant glove body, and the display module is fixedly arranged on the inner layer, and is exposed out of the outer layer; a measurement and control circuit board and a power supply component are arranged between the outer layer and the inner layer, and the measurement and control circuit board is connected with the display module and the power supply component. The glove can induct the using state, can automatically start to work and stop working, can detect and display the temperature of a contact object in real time, and is stable and reliable in work, simple in structure, convenient to use and long in work time.

The invention relates to a transient electromagnetic underground detecting instrument which comprises a main engine, a transmitter, a power supply, a transmitting coil and a receiving coil. The main engine sends operational orders to the transmitter through a main engine connecting line. A power supply adjusting plate, a current plate and a transmitting plate are arranged in the transmitter. The power supply is a large current power supply, and total voltage provided by the large current power supply is 24 volt(V)-36V. Length of the transmitting coil is 6m-10m, and transmitted power is improved. The power supply adjusting plate, the current plate and the transmitting plate arranged in the transmitter are integrated to form an integrated transmitting plate, and a size of the transmitter is reduced. The transmitter is provided with an explosive-proof cavity and a connecting line cavity, the power supply and the integrated transmitting plate are arranged in the explosive-proof cavity, and explosive atmospheres in an outside world and a launcher with large current are isolated to guarantee using safety. The explosive-proof cavity is composed of an explosive-proof shell body, materials of the explosive-proof shell body are acrylonitrile butadiene styrene (ABS) engineering plastics which accord with coin mine safety requirements, weight of the transmitter is reduced, and exploration efficiency is improved largely.

The invention belongs to the field of power grid operation and maintenance devices and particularly relates to an overhead transmission line and insulator decontamination device. The overhead transmission line and insulator decontamination device comprises a telescopic insulation rod, a bristle brush base plate and brush bristles, wherein the length adjustment of the telescopic insulation rod is achieved through a telescoping switch, LED lamp bulbs, a high-definition camera and a spray head are respectively arranged at the positions of the upper edge, the lower edge and the middle of the bristle brush base plate, the LED lamp bulbs are connected with a lamp bulb switch, the state control of the LED lamp bulbs is completed through the lamp bulb switch, the high-definition camera and a display screen are connected, an on-off state is controlled through a camera switch, power is supplied for the LED lamp bulbs, the high-definition camera and the display screen through a lithium battery pack, the overhead transmission line and insulator decontamination device is connected with a USB charging interface, and the spray head is responsible for spraying water to flush dirt when the dirt is found. The overhead transmission line and insulator decontamination device can visually decontaminate transmission lines and insulators, can be also used at night and under the dark condition, is high in decontamination efficiency, wide in applicable environment range, simple in structure and flexible in use and has a good practical value.

The invention discloses a high-spectral image demixing method based on an end member cluster. Adaptive accurate demixing of a high-spectral image is achieved, through extraction of the end member cluster and abundance inversion based on the end member cluster. The method includes the steps: (1) performing sparse representation based on a global image; (2) screening alternative end members based onvoting; (3) establishing the end member cluster by extracting spectral shape characteristics; (4) constructing a sub-block over-complete dictionary; (5) traversing the entire image, and selecting anoptimal end member cluster based on block sparsity according to each pixel; (6) performing abundance estimation by the aid of a fully-constrained least square method, and outputting an end member spectrum and an abundance result. According to spectrum variation in a high-spectral image, the method can effectively decrease errors caused by the spectrum variation, demixing accuracy is improved, andadaptivity of an algorithm is high based on extraction of the end member cluster of the image.