303results about How to "With filter function" patented technology

The invention relates to the field of automobile automatic control, and concretely relates to a method for generating route accurately used for pilotless automobile. The method is realized by including the step of determining the route, and also including the following steps: step 1, distinguishing the first route; step 2, detecting the signal of a positioning device; step 3, collecting the data of the visual features and recording the data of the driver information; step 4, forming a coordinate library of the visual features; and step 5, forming a driving scheme. The invention provides the method for generating route accurately used for pilotless automobile, and the method can automatically determine whether the road is the first route or not, can save the information of features, and can still complete automated driving when the navigation map has low accuracy or the environment is absence of GPS signal.

This invention discloses a short message monitor equipment including: signaling process module, filter monitor module, database module and operation maintain module in which this invented short message monitor equipment is accessed on the signaling spots in network of transfer short message to realize filter and monitor to short messages and a short message monitor method in which, the short message signaling via signaling sport is extracted and filtered analysed to record and store suspicious or evil short message not return back to network and return back the safety short message after filter and monitor.

The invention relates to an indoor wall-buried wire non-destructive detection instrument which comprises a sensor module (1), a multistage amplifying circuit module (2), a singlechip module (3) and a display module (4), wherein the output terminal of the sensor module (1) is connected with the input terminal of the multistage amplifying circuit module (2), the output terminal of the multistage amplifying circuit module (2) is connected with the input terminal of the singlechip module (3), and the output terminal of the singlechip module (3) is connected with the display module (4). The indoor wall-buried wire non-destructive detection instrument adopts a non-destructive detection technology, does not destruct a wall surface, has low cost, high sensitivity, remarkable strength variance when closing to a live wire, accurate positioning, small error between an indicative position and a practical wire position in a range from -0.5cm to 0.5cm, easiness and simplicity, maneuverability without any professional knowledge, simple structure, firmness, durability, safety, reliability, no ray release, no ultrasonic wave release, and the like and does not need to mount an instrument on the wire, thereby being convenient and practical.

The present invention discloses a function ceramic material for efficiently filtering radioactive iodine and cesium, and a preparation method thereof. The material is prepared through the following steps that: industrial sludge and clay are adopted as main materials, active carbon or wood chips, calcium hydroxide or calcium carbonate, iron powder or iron oxide powder, liquid paraffin and other auxiliary materials are matched, processes of mixing, stirring, granulation and the like are performed, and sintering in performed in an oxygen deficiency atmosphere or a reduction atmosphere to prepare the material. The function ceramic material has characteristics of porous property, rich pores, large specific surface area, strong absorption capacity, high water filtration flow, efficient removal and immobilization of radioactive iodine and cesium in nuclear wastewater, and easy shape and size adjustment, and can be used for purification treatments of nuclear wastewater and medical radioactive wastewater.

The invention discloses a filtering antenna array based on a multi-mode resonator. The filtering antenna array comprises four same dual-layer stacked microstrip patch antennas arranged symmetrically and a power distribution network with a one-to-four distributor, wherein each dual-layer stacked microstrip patch antenna comprises a first microstrip patch antenna and a second microstrip patch antenna, the power distribution network with the one-to-four distributor comprises an impedance conversion microstrip, a reverse-phase power distribution microstrip, a tapping coupling microstrip, a branch loaded dual-mode resonator and an in-phase power distribution T-type microstrip. The invention designs the filtering power distribution network with filtering and power distribution functions, the dual-layer stacked microstrip patch antenna is used as the last order of a filter network, the filter order is improved, and meanwhile edge selectivity is enhanced. Meanwhile, the antenna is relatively compact in structure, high in gain and good in filter property.

A measurement data fusion method for a two-dimensional radar and infrared sensors at different sites. The method includes the following steps that: step 1, successful measurement target pair information is received; second step, a target observation equation is constructed through transformation; third step, state vectors that satisfy Markov estimation conditions are constructed according to measurement azimuth angle characteristics; fourth step, Markov estimation is performed on a target state vector X; step five, error covariance calculation is performed on the target state vector X; and step six, state vectors on a Z axis and the variance of the state vectors are calculated. The measurement data fusion method is advantageous in simple operation. According to the measurement data fusion method of the invention, the target observation equation is constructed through combining the measurement data of the two-dimensional radar and the infrared sensors at different time points; the state vectors and the covariance thereof of the target observation equation are estimated according to the Markov estimation principle; and therefore, complex time-space alignment calculation of vacant-dimension data can be avoided. The method is easy to implement and apply to engineering practice, and has a target state estimation function as well as fusion and filtering functions, and has excellent real-time performance and high fusion accuracy.

The present invention provides a kind of air lifting circular flow filter with composite filter material, and belongs to the field of high efficiency bioreactor for water resource protection. The filter has both outer circulation structure and inner circulation structure, switching valve for alternate air supply to two aerators so as to obtain altered circular flow, and composite filter material operating alternately in the ascending area and the descending area to optimize operation environment. It operates in a biomembrane plus filtering process to eliminate organic matter and ammonia nitrogen simultaneously. The present invention is superior in management and treating effect, and may become new generation of bioreactor to replace available aerobic biofilter and air-lift circular fluidizing bed.

The invention discloses a balance-to-unbalance signal filtering power divider which comprises a metal grounding plate (2), first and second input port feeder lines (31 and 32) and first and second output port feeder lines (41 and 42), wherein the metal grounding plate (2) is fully covered on the lower surface of a rectangular dielectric substrate (1); the first and second input port feeder lines (31 and 32) and the first and second output port feeder lines (41 and 42) are laminated on the upper surface of the dielectric substrate (1); the upper surface of the dielectric substrate (1) comprises a first resonator and a second resonator (51, 52), first to fourth micro-strip impedance tapered lines (61, 62, 63 and 64), first to sixth coupling lines (71-76), a micro-strip line (8) and a first isolation resistor and a second isolation resistor (91 and 92). The balance-to-unbalance signal filtering power divider disclosed by the invention is simple in structure, small in size and excellent in common-mode rejection.

The invention provides a low-frequency radiation unit. The low-frequency radiation unit comprises a dielectric substrate, a radiator and a feed balun, wherein the radiator comprises two dipoles whichare orthogonally distributed, radiation arms of the two dipoles are respectively composed of a vertical line and a horizontal line and jointly form a cross-shaped line, the tail ends of the vertical line and the horizontal line are connected through an arc line, and a plurality of sections of bent lines are arranged in the middle of the arc line; and the feed balun is of an orthogonal structure, the bottom of the feed balun is connected with a feed network, and the top of the feed balun is connected with the radiator. The invention also provides a base station antenna. The base station antennais formed by nesting and inserting a plurality of low-frequency radiation units into the middles of a plurality of high-frequency radiation units. Therefore, the low-frequency radiation unit has a filtering function, the influence of the low-frequency radiation unit on the high-frequency radiation performance can be effectively reduced when the high-frequency antenna and the low-frequency antennaare nested to form an array, and the miniaturization of the antenna size can be realized.

The invention discloses a graphene PVDF composite conductive ultrafiltration membrane and a preparation method thereof. The method comprises the following steps: a plurality of concave and convex pitpoints are etched on a surface of a copper foil by adopting a laser pore-forming technique, and a plurality of layers of graphene thin layers grow on the surface of the copper foil to form a graphenethin layer with defects; dimethylacetamide, polyvinylidene fluoride and polyvinylpyrrolidone are uniformly mixed to obtain a casting solution; and the casting solution uniformly coats the graphene thin layer of the copper foil, the whole copper foil is put into water, membrane formation is performed by phase inversion, the membrane-formed copper foil is put into a nitric acid solution, and after the copper foil is dissolved by nitric acid, the graphene PVDF composite conductive ultrafiltration membrane is obtained. The membrane disclosed by the invention comprises a PVDF supporting thin layer,the graphene thin layer adheres to the surface of the PVDF supporting thin layer, the graphene thin layer has the defects, the defects are pores, and hydrophilic functional groups is in the pores. The ultrafiltration membrane disclosed by the invention has good conductivity, and is cleaned by utilizing an electrochemical manner when being contaminated by a contaminant, wherein the cleaning efficiency is high.

The invention provides a breathing machine and a humidifier. The humidifier is applied to the breathing machine, and includes a first container, a second container and a filter structure, wherein the first container is used for containing liquid, and provided with a first through hole; an accommodating part is arranged in the second container, and includes an opening formed in the wall of the second container, and the opening communicates with the first through hole; the filter structure is arranged in the accommodating part for filtering the liquid entering the second container from the first container. The humidifier provided by the invention is high in heating efficiency and good in air humidifying effect; due to the splitting design of a liquid storage area and a heating area, a user is convenient to operate, and effectively reduced in labor intensity of the user.

The invention belongs to the technical field of medical appliances, and particularly relates to a multifunctional flushing and drying device for a medical pipeline. The problems that in an existing medical pipeline cleaning mode, a medical pipeline is generally removed, then the pipeline is cleaned by workers, due to the fact that the pipeline is long and bent, the interior of the pipeline is noteasy to clean thoroughly, meanwhile, after cleaning, the interior of the pipeline is not easy to dry, plaque is prone to leave, so that the cleaning effect and efficiency of the pipeline cannot be guaranteed, and the manual workload is increased. According to the scheme, the device comprises a mounting seat, wherein a cleaning seat is fixedly mounted on the top of the mounting seat, a cleaning cavity is formed in the cleaning seat, and a feeding port is formed in the inner wall of the top of the cleaning cavity. The device has the advantages that the structure is simple, multiple caliber plugsare arranged, aiming at long and thin pipelines with different calibers, the device is portable equipment integrating the multiple functions of grabbing and brushing, flushing and drying the pipelines, so that the cleaning effect of the pipelines is improved, the cleaning time is saved, meanwhile, the manual workload is reduced, and the high practicability is achieved.

The invention relates to a check valve structure and an air conditioner. The check valve structure comprises a check valve assembly and a filtering assembly. The check valve assembly comprises a hollow valve body, an elastic part and a piston, wherein the piston is arranged in the valve body, one end of the elastic part is arranged on the piston, and the other end of the elastic part is arranged on the valve body. A mounting groove is formed in the valve body, the filtering assembly is arranged in the mounting groove, solid impurities in refrigerants can be removed through a filtering screen and prevented from blocking the check valve structure so that the solid impurities cannot enter a pipe system, and the normal operation of the air conditioner is guaranteed; meanwhile, the filtering assembly is arranged in the check valve assembly so that the size of the air conditioner can be reduced.

The invention relates to air heat exchange-type ventilation system equipment capable of purifying outdoor air and belongs to an energy-saving environmentally-friendly ventilator. The ventilator comprises a box body, wherein the inside of the box body is provided with an air supply pipe leading air from the outside to the inside of a room and an exhaust pipe leading air from the inside to the outside of the room; the exhaust pipe and the air supply pipe are crossed to form a core of a heat exchanger and are provided with air exchange fans and filter cotton respectively; the inlet end of the air supply pipe is provided with a temperature sensor; the outlet end of the air supply pipe is provided with an ultraviolet lamp; and the air exchange fans, the temperate sensor and the ultraviolet lamp are electrically connected with a controller. The ventilator has the advantages that: the structure has filtrating and sterilizing functions and effectively improves air quality; and 2, when the outdoor temperature is low (particularly below freezing point), air passing through the heat exchanger absorbs heat and brings part of heat back to the inside of the room, so heat loss is reduced.

The invention discloses an ozone oxidation catalyst protective agent for degrading organic wastewater. The protective agent is prepared from 6-10 wt% of composite active components composed of manganese oxide, cobaltous oxide and rare earth oxide, 35-45 wt% of coal ash, 2-5 wt% of carbon active pore-forming agent, 40-50 wt% of kaolin and 1-5 wt% of methylcellulose binder through synthesizing, mulling, balling, drying, screening and firing. The composite active components are synthesized by 75 wt% of MnO2, 20 wt% of CoO and 5 wt% of La2O3 through a co-precipitation method. The ozone oxidation catalyst protective agent is an efficient organic wastewater purifying ozone oxidation protective agent prepared from the composite active components, is suitable for wastewater treatment in petrifaction, chemical engineering, spinning, printing and dyeing, papermaking and the like, not only has good impurity filter-away and supporting functions, but also has an excellent degrading effect and high mineralization capacity, is good in wastewater CODCr removal rate and total organic carbon (TOC) removal rate, and has black contrast increase rate of 15%.

The invention discloses a glass fiber reinforced plastic septic tank which comprises a shell, wherein reinforcing ribs are welded on the outer wall of the shell; an excrement inlet is formed in one end of the shell, and an excrement outlet is formed in the other end of the shell; a first treatment chamber, a second treatment chamber and a third treatment chamber are arranged in the shell; a first partitioning plate is arranged between the first treatment chamber and the second treatment chamber; the first partitioning plate is welded on the inner wall of the shell; a first excrement passing pipe is arranged on the first partitioning plate; a second partitioning plate is arranged between the second treatment chamber and the third treatment chamber; the second partitioning plate is welded on the inner wall of the shell; a second excrement passing pipe is arranged on the second partitioning plate; a first decontamination port, a second decontamination port and a third decontamination port are arranged on the upper surface of the shell; and the first decontamination port is positioned above the first treatment chamber. By arranging the decontamination ports, sludge can be conveniently cleared; and by arranging a suction fan, internal methane can be sucked out so as to prevent the shell from bursting.

The invention discloses an industrial and mineral JP cabinet intelligent constant temperature device comprising a JP cabinet body, a refrigeration and heating device, an internal heat exchanger, an external heat exchanger, a first driving oil pump, a second driving oil pump and multiple temperature sensors. The JP cabinet body is internally provided with the refrigeration and heating device, the internal heat exchanger, the first driving oil pump, the second driving oil pump and the multiple temperature sensors. The external side of the JP cabinet body is provided with the external heat exchanger. The refrigeration and heating device comprises a heating device, a refrigeration device, a controller, multiple sets of semiconductor refrigeration sheets and a shell. According to the industrial and mineral JP cabinet intelligent constant temperature device, the temperature signals in the JP cabinet are acquired through the temperature sensors, the controller controls connection and disconnection of the first driving oil pump and the second driving oil pump according to the temperature signals, and the controller controls the flowing direction of the oil medium in an interface pipeline and on/off of the semiconductor refrigeration sheets according to the temperature signals so as to reliably guarantee constant temperature in the JP cabinet.