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

Method for generating route accurately used for pilotless automobile

ActiveCN105928531AData is highly targetedWide range of data collectionInstruments for road network navigationAutomatic controlData acquisition
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.
Owner:HOZON NEW ENERGY AUTOMOBILE CO LTD

Touch control panel and liquid crystal display panel

The invention discloses a touching control panel with the optical filtering function, comprising a base plate, a first electrode layer, a second electrode layer, a first dielectric layer and a second dielectric layer. The first electrode layer is arranged on the base plate and the second electrode layer is arranged on top of the first electrode layer. The first dielectric layer is between the first electrode layer and the second electrode layer. The second dielectric layer is arranged on the second electrode layer. Simultaneously, the second electrode layer is between the first dielectric layer and the second dielectric layer, wherein one of the first dielectric layer and the second dielectric layer is a colorful filter layer. The invention also provides a liquid crystal display panel taking the touching control panel as the color filter.
Owner:WINTEK CORP

Monitoring method and equipment for short-messages

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.
Owner:ZTE CORP

High and steep slope reinforcing and greening device and method

The invention relates to the field of environment protection, and discloses a high and steep slope reinforcing and greening device and method. The high and steep slope reinforcing and greening devicecomprises reinforced three-dimensional polypropylene gauze pads, U-shaped nails, anchor rods, vegetation seeds, soil improvement fiber mixtures, erosion-resistant fiber mixtures, fiber filtering tubesand wedges. The high and steep slope reinforcing and greening device is simple in construction process and convenient to operate; after the reinforced three-dimensional polypropylene gauze pads are fixedly arranged on a slope surface of a high and steep slope by the anchor rods and the U-shaped nails, the fiber filter tubes are laid, and then a mixture of the vegetation seed and the soil improvedfiber mixture and a mixture of the vegetation seeds and the erosion-resistant fiber mixture are successively sprayed and sowed. A soil living condition for growth of plants can be improved effectively, nutrient elements required for growth and metabolism are provided for the plants, and the technical problems that by an existing high and steep slope reinforcing method, the slope is easily washedby rainstorm, secondary landslide is caused, the collapse water-retaining property is poor, and meanwhile, secondary pollution to the environment will be caused are solved.
Owner:JOFO GREEN CO LTD

Orthogonal signal frequency-multiplication phase-demodulation logic circuit with filter function

The invention discloses an orthogonal signal frequency-multiplication phase-demodulation logic circuit with filter function, which mainly comprises a filter circuit module and a frequency-multiplication phase-demodulation circuit module, wherein the filter circuit module consists of eight D triggers, six phase inverters, four three-way AND gates and two JK triggers, an input end of the module receives two paths of orthogonal coding signals needing to be filtered respectively, and an output of the module has two paths of orthogonal signals filtered by the corresponding orthogonal coding signals; and the frequency-multiplication phase-demodulation circuit module consists of two XOR gates and five D triggers, an input end of the module receives two paths of signals needing phase demodulation respectively, and an output end of the module has phase-demodulation signals and fourfold frequency signals. The circuit combines filter and frequency-multiplication phase demodulation, is simple and reliable, can solve the problem of subsequent data processing error caused by signal interference, can be downloaded to a programmable chip such as CPLD or FPGA and the like, saves the space of a circuit board, is convenient to debug, and has reliable performance and utility value.
Owner:ZHEJIANG UNIV

Function ceramic material for efficiently filtering radioactive iodine and cesium, and preparation method thereof

InactiveCN103274757ALarge specific surface areaStrong physical adsorption and fixation capacityCeramic materials productionCeramicwareActivated carbonIron oxide
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.
Owner:苏磊

Filtering antenna array based on multi-mode resonator

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.
Owner:SOUTH CHINA UNIV OF TECH

Measurement data fusion method for two-dimensional radar and infrared sensors at different sites

ActiveCN103792515AWith filter functionAvoid alignment calculationsRadio wave reradiation/reflectionRadarCovariance
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.
Owner:NO 709 RES INST OF CHINA SHIPBUILDING IND CORP

Gas lifting alternative circulation flow composite filter material filter pool

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.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Multi-functional flat-sheet ceramic film and preparation process thereof

The invention provides a preparation process of a multi-functional flat-sheet ceramic film. The preparation process comprises the following steps: S1, producing a flat-sheet ceramic film supporting body by adopting an extrusion moulding method; and S2, preparing the multi-functional flat-sheet ceramic film by adopting a vacuum impregnation method. The invention further provides the multi-functional flat-sheet ceramic film. The multi-functional flat-sheet ceramic film provided by the invention has the benefits that the prepared multi-functional flat-sheet ceramic film not only has a filtering capacity, but also has other functions of catalyzing, oxidizing and the like; the production cost is lowered to a great extent and the flux can be set at a relatively high level; film polluting performance and recoverability are remarkably improved; and the size of the film holes is easily controlled.
Owner:SHENZHEN ZHONGQING ENVIRONMENTAL TECH

Balance-to-unbalance signal filtering power divider

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.
Owner:NANJING UNIV OF SCI & TECH

Low-frequency radiation unit and base station antenna

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.
Owner:MOBILE ANTENNA TECH SHENZHEN +5

Graphene PVDF composite conductive ultrafiltration membrane as well as preparation and contaminant removing methods of ultrafiltration membrane

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.
Owner:XIAN UNIV OF TECH

Breathing machine and humidifier

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.
Owner:BMC MEDICAL

Open wafer box before prevetion of outgassing pollution and method for preventing outgassing pollution

A kind of former-opening wafer box that is able to avoid venting gas is at least composed of the former-opening wafer box body and cleanliness setting. The former-opening wafer box itself has hatch part and bottom board, the bottom board and the hatch part face to face. Cleanliness setting at least have huff component set up in the former-opening wafer box and gas providing installation that link huff component and supply gas to the huff component.
Owner:POWERCHIP SEMICON CORP

Gravity center locating energy detection optical system with long life

ActiveCN101995643ASuitable for different life applicationsReduce in quantityOptical elementsRefractive indexGravity center
The invention discloses a gravity center locating energy detection optical system with long service life, used for solving the problem that the traditional optical system is difficult to work stably and precisely for a long time in a severe electromagnetic environment. The optical system comprises a first positive lens, a second positive lens, a first negative lens, a diaphragm, a third positive lens, a fourth positive lens and a second negative lens which are sequentially arranged on the same optical path along an incident light direction, wherein all the six lenses are radiation resistant lenses which are made from fused silica material; and focal lengths, curvature radiuses and refractive indexes of the six lenses are designed and determined. The invention is particularly and suitably applied to long-life satellites with different space tracks, can woke for more than 10 years, and even for 25 years, is beneficial to correction of system aberration and has less defocused spots and color bias, favorable adaptability to environmental temperature and higher transmissivity.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Multifunctional flushing and drying device for medical pipeline

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.
Owner:SHANDONG RES INST OF TUMOUR PREVENTION TREATMENT

Chemical pigment crushing device

The invention relates to a crushing device, in particular to a chemical pigment crushing device. In order to solve the technical problems, the invention provides the chemical pigment crushing device which has a filter function, can reduce crushing cost, is convenient to use, and is simple to operate. The chemical pigment crushing device comprises a base and the like, wherein the right side on thebase is connected with a 7-shaped plate; the left side surface of the 7-shaped plate is connected with a crushing box; the top of the crushing box is equipped with an unloading hopper; a crushing device is arranged in the crushing box; a slide slot is horizontally formed in the bottom in the crushing box; a screen is arranged in the slide slot; a discharge hole is horizontally formed in the bottomof the crushing box; the discharge hole communicates with the slide slot; and a filter device is arranged at the lower side of the crushing box. The chemical pigment crushing device can be used for crushing chemical pigments by crushing, and the filter device can filter the crushed chemical pigments, so that the effects of having a filter function, being capable of reducing crushing cost, being convenient to use and being simple to operate are achieved.
Owner:江苏彩瑞实业有限公司

Treatment method for home wastewater

The present invention relates to a domestic sewage treatment method. Said method includes the following steps: firstly, respectively cultivating active sludge in the anaerobic pool and aerobic pool of sewage treatment system; feeding the domestic sewage into anaerobic pool to implement anaerobic phosphorus-releasing reaction, then feeding the domestic sewage into aerobic pool to implement aerobic phosphorus-absorbing reaction, then feeding the domestic sewage into precipitation pool to make precipitation to separate sludge from water, making the precipitated sludge back-return into anaerobic pool and making the residual sludge discharge from system, feeding the precipitated water into aerobic biological filtering pool to implement nitration reaction to make the discharged water meet discharge standard.
Owner:班宏伟

Industrial and mineral JP cabinet intelligent constant temperature system

ActiveCN106292764ABest energy saving statusObserve the temperature in real timeSubstation/switching arrangement cooling/ventilationTemperature control using electric meansEngineeringRefrigeration
The invention discloses an industrial and mineral JP cabinet intelligent constant temperature system including 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 a plurality of temperature sensors, the refrigeration and heating device, the internal heat exchanger, the first driving oil pump, the second driving oil pump, and the plurality of temperature sensors are arranged in the JP cabinet body, an external heat exchanger is arranged at the outer side of the JP cabinet body, and the refrigeration and heating device includes a heating device, a refrigerator, a controller, a plurality of groups of semiconductor refrigeration sheets, and a casing. The industrial and mineral JP cabinet intelligent constant temperature system acquires the temperature signal in the JP cabinet through the temperature sensors, the controller controls the on and off of the first driving oil pump and the second driving oil pump based on the temperature signal, and moreover, the controller controls the flow direction of the oil medium in the interface pipe and the switching of the semiconductor refrigeration sheets according to the temperature signal and reliably ensures the constant temperature in the JP cabinet.
Owner:江苏苏能机械有限公司

House structure easy to disassemble and assemble

The invention relates to a building structure, in particular to a house structure easy to disassemble and assemble. The house structure comprises a bottom plate, fixing pins, wall plates, wall plate connecting pieces, a water storage tank and a top cover, wherein the bottom plate is fixed on the ground by the fixed pins, the upper end of the bottom plate is provided with the wall plates, and the corners of the wall plates are connected by the wall plate connecting pieces. The upper ends of the wall plate connecting pieces are provided with the water storage tank, and the upper end of the waterstorage tank is provided with the top cover. The house structure can be assembled or disassembled quickly and conveniently, can be reused after disassembly, meets the efficient and environmentally-friendly construction concept, has the functions of storing rainwater and filtering the rainwater, has the function of solar power generation, and can meet the basic needs of outdoor life of people. Thehouse structure has the advantages of being easy to disassemble and assemble, stable in structure and diversified in function.
Owner:湖南金格建筑科技有限公司

Check valve structure and air conditioner

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.
Owner:GREE ELECTRIC APPLIANCES INC

Energy-saving environmentally-friendly ventilator

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.
Owner:林定文

Ozone oxidation catalyst protective agent for degrading organic wastewater

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%.
Owner:JIANGXI HUIHUA TECH CO LTD

Glass fiber reinforced plastic septic tank

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.
Owner:安徽星元环保科技有限公司

Detachable rotatably-mounted filter and fluid filtering method thereof

The invention discloses a detachable rotatably-mounted filter. The filter comprises a filter shell, a sealing pad, a connection joint and a filter element arranged below the connection joint. The sealing pad is arranged between the connection joint and the filter shell, and the connection joint is connected with the filter shell through threads; a plurality of oil inlets are formed in the connection joint, and a central hole is formed in the center of the connection joint; the two sides of the central hole are each provided with a counter bore, and the two counter bores are symmetrically formed and communicated with the central hole; a by-pass valve is arranged in each counter bore, and the filter element comprises a filter material and an end cover and is connected with the connection joint through threads on the end cover; and an inner hole is formed in the center of the filter element, and an inner framework is arranged in the central hole of the connection joint and the inner hole of the filter element in a penetrating manner. By the adoption of the structure, the filter has the beneficial effects of being ingenious in structural design, economical and environment-friendly.
Owner:SHANGHAI LANGJING FLUID TECH

Gain filter circuit applicable to scientific-grade CCDs

The invention provides a gain filter circuit applicable to scientific-grade CCDs (charge coupled device), in particular to the processing circuit of CCDs. The gain filter circuit comprises an operational amplifier, two analog switches (S1 and S2), a resistor (R) and a capacitor (C), wherein the analog switch S2 is connected with the capacitor (C) in parallel to jointly form the negative feedback of the operational amplifier; the non-inverting input terminal of the operational amplifier is grounded, and the inverting input terminal thereof is connected with the output signal of the CCD via the resistor (R); and the output signal of the CCD is grounded via the other analog switch (S1). Followed by the start of the driving circuit of the CCD, the gain filter circuit can continuously adjust the amplification of the circuit on a real-time basis by adjusting and feeding back the disconnection time of the analog switch (S2) according to the driving timing sequence of the CCD; and by adjusting the capacitance of the capacitor (C) and the resistance of the resistor (R), the gain filter circuit can vary the amplification within a large range and vary the cutoff frequency of the circuit, thus achieving the low-pass filter on the output signals of the CCD. Accordingly, based on the simple control, the invention can achieve the continuously adjustable gain and the filter function.
Owner:CENT FOR SPACE SCI & APPLIED RES

Industrial and mineral JP cabinet intelligent constant temperature device

ActiveCN106325327ABest energy saving statusObserve the temperature in real timeTemperatue controlEngineeringRefrigeration
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.
Owner:泰州市明德科技服务有限公司

Double-frequency fusion antenna array, common-mode suppression method and communication equipment

The invention discloses a double-frequency fusion antenna array, a common-mode suppression method and communication equipment, and the antenna array comprises a low-frequency antenna and a high-frequency antenna, the low-frequency antenna and the high-frequency antenna are vertically disposed on a reflection plate, the high-frequency antenna is symmetrically disposed around the low-frequency antenna, and the high-frequency antenna comprises two crossed high-frequency dielectric substrates. One side of each high-frequency dielectric substrate is provided with a high-frequency radiation oscillator, the other side of each high-frequency dielectric substrate is provided with a high-frequency feeder structure, two high-frequency radiation oscillators respectively comprise a high-frequency floorrectangular groove, and one high-frequency radiation oscillator further comprises a high-frequency floor extension structure. The antenna array solves the problem of mutual coupling between differentantennas, and has the advantages of large bandwidth, novel structure and stable radiation pattern.
Owner:SOUTH CHINA UNIV OF TECH
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