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110results about How to "Realize the filtering effect" patented technology

Deblocking and deringing apparatus, program and method

An image processor is provided which simplifies filter processing and increases the speed when an image is decoded, and is suitable for realizing effective screen effect.In deblocking filter processing, as to a pixel array intersecting a boundary between adjacent blocks, pixel values v2′ to v7′ after filtering are computed by filter arithmetic equations as shown belowv2′=(v2+v5) / 2+(v2−v5) / 4v3′=(v3+v5) / 2+(v3−v5) / 8v4′=(v4+v5) / 2v5′=(v5+v4) / 2+(v5−v4) / 8v6′=(v6+v4) / 2+(v6−v4) / 4v7′=(v7−(v7−v4) / 8.
Owner:SEIKO EPSON CORP

Metal wire filled near-diamond big air hole inner cladding polarized photon crystal fiber

InactiveCN102736168AEasy to integrateRealize polarization beam splitting filter functionOptical fibre with polarisationBeam splittingFilter effect
The invention discloses a metal wire filled near-diamond big air hole inner cladding polarized photon crystal fiber, which has the key point of the technical scheme that the metal wire filled near-diamond big air hole inner cladding polarized photon crystal fiber consists of a fiber core 1, a background material 2, big cladding air holes 3 and 4, small air holes 5 and filling metal wires 6, wherein the big cladding air holes are evenly distributed in a regular triangle array; the center air hole is missing to form a core area; the air holes of different sides on two orthogonal-polarization directions form a fiber high double-refraction area; one or two metal wires are selectively filled in a second layer of air holes; and the background material of the fiber is quartz material. The metal wire filled near-diamond big air hole inner cladding polarized photon crystal fiber disclosed by the invention is used in a fiber system, and a polarized beam splitting filtering function at different wavelength points can be realized. The filtering effect on different wavelength positions can be realized by properly selecting the size of the filled metal wires. A fiber filter is easy in integrating with the fiber system so as to adapt to the miniaturization and integration development of the optical system.
Owner:YANSHAN UNIV

Miniature dual-band-stop ultra-wide band micro-strip antenna

The invention discloses a miniature dual-band-stop ultra-wide band micro-strip antenna, and relates to the field of ultra-wide band wireless communication. The miniature dual-band-stop ultra-wide band micro-strip antenna comprises a dielectric substrate; a feeder line which is arranged on the dielectric substrate and used for receiving electromagnetic waves; a radiating element which is connected with the feeder line and used for radiating the electromagnetic waves; two earth plates which are arranged on the dielectric substrate and are symmetrically arranged on the left side of the feeder line and the right side of the feeder line; two C-shaped grooves formed at the upper end of the radiating element and with different sizes; outer convex gradually-changing grooves formed at the lower end of the radiating element; and inner concave gradually-changing grooves which are matched with the outer convex gradually-changing grooves and arranged on the two earth plate respectively. The metal earth plates and the metal radiating element are designed into double gradually-changing grooves, so that a standing-wave ratio bandwidth reaches 2GHz-16GHz and 156% of a relative standing-wave ratio bandwidth is achieved. The two C-shaped grooves in the metal radiating element are 3.0 GHz-3.8GHz of a quarter of a wavelength and 5.0GHz-5.8GHz of a quarter of the wavelength, so that the notch function and the double-band-stop design of the antenna in two frequency ranges are achieved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

LTCC filtering Balun based on resonator coupling

The invention discloses an LTCC filtering Balun based on resonator coupling. The LTCC filtering Balun comprises a semi-wave-length resonator, two quarter-wave-length resonators, three feeders and four floors, wherein the semi-wave-length resonator, the two quarter-wave-length resonators, the three feeders and the four floors are distributed on eleven conductor layers and connected through metallization through holes. One input port and two output ports are formed in the three feeders respectively; the semi-wave-length resonator is respectively coupled with the two quarter-wave-length resonators, the three resonators are coupled with the three feeders respectively to form two filtering networks, and the filtering characteristic is achieved. In addition, the 180-degree phase difference of the two output ports is achieved through the characteristic of constant-amplitude opposition of two open ends of the semi-wave-length resonator. The LTCC technology adopted in the LTCC filtering Balun comprises a plurality of layers of structures, the size of a filter is reduced, and the LTCC filtering Balun has novelty, creativeness and practicability.
Owner:SOUTH CHINA UNIV OF TECH

Middle-infrared waveband transmission type sub-wavelength metal grating

The invention discloses a middle-infrared waveband transmission type sub-wavelength metal grating, which belongs to the technical field of function material and device. The metal grating comprises a zinc selenide glass substrate and a metal film which is located on the surface of the zinc selenide glass substrate and is provided with a periodicity hole structure; and in the periodicity hole structure, radius r of single hole is smaller than 1 / 2 of hole period P, and the hole period P is 1-10mu. The middle-infrared waveband transmission type sub-wavelength metal grating uses a sub-wavelength periodicity structure of less than infrared wavelength to realize selective transmission of infrared rays in the middle-infrared waveband of 2.5-25mu, and meanwhile shields the function of microwave millimeter waveband electromagnetic wave. The middle-infrared waveband transmission type sub-wavelength metal grating has the characteristics of simple structure and easy implementation, and can be applied to infrared detection device requiring electromagnetic shielding.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Resource distribution method, device and terminal based on super-fusion storage system

The invention discloses a resource distribution method, device and terminal based on a super-fusion storage system, relates to the technical field of storage, and aims to solve the problems that in the prior art, a distribution mode is not reasonable enough when storage resources are distributed for data, and thus, the storage resource distribution efficiency under the super-fusion storage systemis low. The method comprises the following steps: calculating storage requirements of to-be-stored data according to storage information of the to-be-stored data; acquiring a storage resource list; filtering the corresponding storage resources in the storage resource list by a preset rule and classification labels of the storage resources according to the storage requirements to obtain an available storage resource list, wherein the classification labels are used for classifying the storage resources according to different dimensions, and at least comprise one or more of position labels and performance labels; and distributing the storage resources corresponding to the available storage resource list for the to-be-stored data. The method is suitable for distributing the storage resources in the super-fusion storage system.
Owner:北京联想超融合科技有限公司

Broadband filter antenna

Broadband filter antenna, includes five layers from top to bottom, The first layer structure comprises a top layer patch structure, the second layer structure comprises a bottom layer patch structure,the third layer structure comprises two folding resonators, the fourth layer structure comprises a large metal formation with a pair of vias, and the fifth layer structure comprises a feeding structure. The invention solves the problem of large plane size and realizes the filtering performance of the antenna. Three reflective zeros are generated by stacked multi-patch resonator to widen the bandwidth of the antenna. The odd mode of the resonator produces the low-end radiation zero, and the coupling between the top and bottom patch structures produces the high-end radiation zero, so as to improve the frequency selectivity of both sides of the working band. By adjusting the impedance ratio of the first part and the second part of the folding resonator, the low-end radiation zero can be adjusted while maintaining the bandwidth. The out-of-band mode is suppressed by using the short-circuit branch loaded on the feeder to improve the out-of-band suppression at the high end of the antenna frequency.
Owner:NANTONG UNIVERSITY

Multi-zero point broadband filtering antenna based on radiation cancellation

The invention discloses a multi-zero point broadband filtering antenna based on radiation cancellation, which comprises a dielectric substrate and a metal ground plate, wherein the metal ground plateis located below the dielectric substrate, the metal ground plate and the dielectric substrate are filled with air therebetween, the upper surface of the dielectric substrate is provided with a metalradiation patch, the metal radiation patch is etched with a split ring-shaped slit, the lower surface of the dielectric substrate is provided with a U-shaped branch, two sides of the U-shaped branch are symmetrically provided with hollow square rings, and the metal ground plate is etched with a defected ground structure. The multi-zero point broadband filtering antenna further comprises a coaxialfeed structure, wherein the coaxial feed structure includes a metal probe, the metal probe feeds from the bottom of the metal ground plate, vertically passes through the U-shaped branch and is connected with the metal radiation patch, and the connecting point is located between the split ring-shaped slit and the edge of the metal radiation patch. The antenna is simple in structure and reduces theloss of the feed part of the antenna. The antenna is more suitable for the design of a planar antenna array due to easy processing, low cost and small size, and is applied to large-scale production.
Owner:SOUTH CHINA UNIV OF TECH

Terahertz photonic crystal band-pass filter with bow-shaped resonant cavity structure

The invention requests a protection of a terahertz photonic crystal band-pass filter with a bow-shaped resonant cavity structure. The terahertz photonic crystal band-pass filter comprises two-dimensional photonic crystals, horizontal input waveguides, a resonant cavity and vertical output waveguides, wherein the two-dimensional photonic crystals are in tetragonal lattice periodic distribution; thehorizontal input waveguides and the vertical output waveguides are arranged in the two-dimensional photonic crystals; a row of dielectric cylinders at two adjacent sides of the waveguides are rectangular dielectric cylinders; the bow-shaped resonant cavity is arranged in the intersected position of the input and output waveguides; the resonant cavity consists of two inside dielectric cylinders and three scattering dielectric cylinders; when TeraHertz waves are input into the resonant cavity from the horizontal input waveguides, TeraHertz waves conforming to the resonant frequency of the resonant cavity are coupled into the resonant cavity, and are output from a lower port of the vertical output waveguide; the low-loss broadband filtering in the frequency range being 375 to 425GHz is realized.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

High-throughput forming device and forming method for additive material

The invention discloses a high-throughput forming device and a forming method for an additive material; by arranging a powder bed laser melting cavity, a powder feeder system, a transition chamber anda powder mixing device as well as forming a transition chamber through hole in the wall of the powder bed laser melting cavity, the transition chamber is fixed in the transition chamber through hole;an upper sealing valve and a lower sealing valve are arranged in the transition chamber to form a transition chamber structure in the transition chamber, and a transition cavity pipe wall of the transition chamber is provided with an inflation pipe and an exhaust pipe, and the powder to be added is subjected to environmental replacement by using the transition cavity structure in the transition chamber so as to avoid replacing the environment in a molding cavity when adding powder again; the effect of screening various materials in one molding is realized; the material preparation efficiencyis doubled; the environmental replacement in the molding cavity is reduced; the device can realize accurate supply of powder at different positions by controlling the supply of powder, and can quicklyreplace different added powder, and metal particles can be molten effectively by a mixing device so that ingredients are uniformly mixed.
Owner:NAT INST CORP OF ADDITIVE MFG XIAN

Wireless radio frequency energy collection RFID tag system based on metamaterial

The invention discloses a wireless radio frequency energy collection RFID tag system based on a metamaterial. The system comprises an RFID tag antenna, an RFID chip, a rectifying circuit, an energy management circuit, a microprocessor and a sensor. The rectifying circuit is connected with the energy management circuit; the energy management circuit is respectively connected with the RFID chip, themicroprocessor and the power supply end of the sensor; two output ends of the RFID tag antenna are respectively connected with a radio frequency signal of the RFID chip and an input end of the rectifying circuit; the microprocessor is respectively connected with the RFID chip and the sensor; the RFID tag antenna comprises a split ring resonator metasurface, a dielectric substrate and a groundingcopper layer, the metasurface adopts three split rings made of metamaterials and embedded at equal intervals, the opening difference between an outer ring and a middle ring is 180 degrees, and an opening of an inner ring is determined by load impedance; and the rectifying circuit consists of an impedance matching network, a rectifying diode and a direct-current filter which are sequentially connected. The system is small in size and simple in structure, and can be used for a wireless sensor network.
Owner:XIDIAN UNIV

Patterned substrate, mask and patterned substrate manufacturing method

The invention provides a patterned substrate, a mask used for manufacturing the patterned substrate and a patterned substrate manufacturing method. The patterned substrate is a patterned substrate with microstructures which consist of kinds of luminous bodies and reflecting bowls, can greatly improve the luminance of an LED (light-emitting diode) chip and can especially improve axial luminance. Masks which form the patterned substrate use pinhole diffraction and filter principles, the structure is simple, the special design is not required, the masks are easy to prepare and the cost is low. The patterned substrate manufacturing method adopts a pinhole diffraction exposure and ICP (inductively coupled plasma) etching method, the process is simple, the method is easy to realize, the progress of introducing concepts and structure of macroscopic fields into the microscopic LED field to improve the axial luminance of the LED chip is accelerated.
Owner:HANGZHOU SILAN AZURE

Slot-coupled broadband filtering antenna

ActiveCN111509373AAchieve the effect of widening the antenna bandwidthRadiation suppressionRadiating elements structural formsAntenna earthingsDielectric substrateBroadbanding
The invention discloses a slot-coupled filtering antenna, which comprises: a feed network layer, a first dielectric substrate, a grounding layer, a second dielectric substrate and a rectangular parasitic patch, wherein the first dielectric substrate is located below the second dielectric substrate, an air layer is reserved between the first dielectric substrate and the second dielectric substrate,the first dielectric substrate is used for fixing the feed network layer and the grounding layer, the second dielectric substrate is used for fixing the rectangular parasitic patch, the feed networklayer is located at the bottom layer of the first dielectric substrate and is used for transmitting signal energy, the grounding layer is located at the top layer of the first dielectric substrate, isprovided with a gap, and is used for coupling the energy of the feed network layer to the rectangular parasitic patch at the top layer, and the rectangular parasitic patch is located on the top layerof the second dielectric substrate and serves as a radiation unit of the antenna to be used for radiating energy to a free space. On the premise that a filtering structure is not directly introduced,the broadband filtering characteristic and the high-gain radiation characteristic of the antenna are achieved.
Owner:HUAZHONG UNIV OF SCI & TECH

Optics differentiator based on time-domain pulse shaping system

The invention discloses an optics differentiator based on a time-domain pulse shaping system. The optics differentiator comprises a mode-locked fiber laser MLL, a first dispersion device, an erbium-doped fiber amplifier EDFA, a Mach-Zehnder modulator MZM, a polarization controller PC, an arbitrary waveform generator AWG, an optical delay line ODL, a second dispersion device, and a frequency divider. The principle of a time-domain pulse shaping system is used, and spectral filtering characteristic of the differentiator is shifted to time domain from frequency domain. Through rationally designing a modulation signal generated by the arbitrary waveform generator AWG and changing the shape of the modulation signal, differential results in different orders and different bandwidths are obtained, and an optical differentiation function in flexibly adjustable order and bandwidth is realized. Various components used in the optics differentiator belong to common devices, and have good compatibility with an existing optical fiber communication system.
Owner:HUAZHONG UNIV OF SCI & TECH

Dual-polarization wide-stop-band filtering antenna and communication equipment

The invention discloses a dual-polarization wide-stop-band filtering antenna and communication equipment, and the antenna comprises a dielectric substrate, a metal floor, a metal radiation paster, a metal feed arm, a metal square ring branch knot, a metal transverse branch knot, and a metal probe, the dielectric substrate is of a rectangular cavity structure, and the metal floor is disposed on thelower surface of the dielectric substrate. The metal radiation paster is arranged in the middle of the upper surface of the dielectric substrate, the metal transverse branch knot and the metal squarering branch knot are located in the rectangular cavity, located on the same layer and connected, the metal feed arm is located between the metal square ring branch knot and the metal radiation paster, and one end of the metal probe and a round hole formed in the metal floor form a coaxial feed structure. And the other end of the metal probe passes through the metal transverse branch knot and is connected with one end of the metal feed arm to form a dual-polarization differential feed structure, and the metal probe is connected with the metal transverse branch knot. The antenna is simple in structure, the size of the radio frequency front end can be greatly reduced, and extra insertion loss is avoided.
Owner:SOUTH CHINA UNIV OF TECH

Millimeter wave wide-frequency-band high-gain dual-polarization magnetoelectric dipole filtering antenna

The invention discloses a millimeter wave wide-frequency-band high-gain dual-polarization magnetoelectric dipole filtering antenna, and relates to the field of radio frequency communication. Comprising a top-layer dielectric substrate, a middle-layer dielectric substrate and a bottom-layer dielectric substrate, the top-layer dielectric substrate is a square dielectric substrate, a radiator structure is printed on the upper surface of the middle-layer dielectric substrate, and a gap coupling feed network structure is printed on the bottom-layer dielectric substrate; the radiator structure comprises four symmetrical and connected parasitic patches, metalized via holes are loaded on the parasitic patches, the slot coupling feed network comprises two groups of orthogonally arranged Y-shaped feed lines and four coupling rectangular slots, and the four rectangular coupling slots are loaded on the metal floor. Other filtering structures are not introduced, a low-frequency radiation zero point can be controlled by changing the length of the electric dipole and the height of the magnetic dipole, a high-frequency zero point is generated by prolonging the length of the feeder line under the coupling gap, and a new higher-frequency zero point is introduced by changing the length of the coupling gap, so that the high-frequency out-of-band filtering performance is improved.
Owner:XIAMEN UNIV

Broadband dielectric resonator filtering antenna based on multimode resonator

The invention discloses a broadband dielectric resonator filtering antenna based on a multimode resonator, and the broadband dielectric resonator filtering antenna comprises a dielectric resonator antenna, a metal floor, a dielectric substrate, a microstrip feeder line and the multimode resonator, the metal floor is attached to the upper surface of the dielectric substrate, and the dielectric resonator antenna is arranged right above the metal floor, a rectangular gap is etched in the center of the metal floor, the microstrip feeder line and the multimode resonator are attached to the lower surface of the dielectric substrate, the multimode broadband resonator is loaded on the microstrip feeder line, five modes are excited at the same time to achieve the broadband effect, the filtering effect can be achieved by loading the multimode broadband resonator on the microstrip feeder line, and the out-of-band rejection effect is good. The antenna has quasi-elliptic function band-pass response, and is simple in structure and high in integration degree, the 10dB impedance bandwidth of the antenna can reach 32%, the in-band average gain is 9.3dBi, the out-of-band rejection exceeds 20dB, and different bandwidth and frequency band characteristics can be realized by adjusting the sizes of the antenna and the resonator.
Owner:XI AN JIAOTONG UNIV

A sinusoidal signal filtering system based on Fast Fourier Transform

The invention relates to a sinusoidal signal filtering system based on fast Fourier transform, comprising a display interface, an RT system, a signal conditioning unit, a high-speed digital-to-analogconversion chip, an FPGA module, a high-speed analog-to-digital conversion chip and a signal output unit. Including fast Fourier transform algorithm, frequency compensation algorithm, phase locking and energy leakage suppression strategy. The filter system takes the FPGA chip as the core to ensure the real-time performance of the system. The filter system is based on a fast Fourier transform algorithm to capture the target AC signal, the characteristic frequency, the phase and the amplitude. After calculating two fast Fourier transform cycles, the AC signal of the next cycle is predicted and output in real time. Advantages: the filter algorithm of the fast Fourier transform proposed by the invention can extract the frequency, phase and amplitude of the sinusoidal signal from the sinusoidalsignal with very low signal-to-noise ratio, and the frequency, phase and amplitude of the sinusoidal signal can be reproduced and output in real time to realize the filtering function. It can be usedto extract sinusoidal signal in strong interference background.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Efficient screening device for quartz sand production

The invention discloses an efficient screening device for quartz sand production. The efficient screening device comprises a box body and a mounting seat. The box body is connected with a closing doorthrough a movable shaft, the closing door is provided with a locking block, the locking block is matched with a lock groove formed in the box body, the front and rear sides of the mounting seat are provided with electric telescopic rods, the two electric telescopic rods are jointly connected with the bottom of the box body, the top of the box body is provided with a feeding port, and the bottom of the box body is provided with a discharging port. The size of mesh holes in a sieve plate of the device can be selected according to the required quartz sand particle size, so that the screened quartz sand meets the requirements of enterprises, and the screening efficiency is high; and the selected sieve plate is in threaded connection with a first screw hole and a second screw hole through bolts to be fixed, and the sieve plate is easy to install and disassemble.
Owner:XINYI ZHONGXIN OPTOELECTRONICS TECH CO LTD

Swinging type automatic agriculture seed screening and drying device

The invention discloses a swinging type automatic agriculture seed screening and drying device, and belongs to the technical field of automatic equipment. A screening box is included. A first screening plate and a second screening plate are hinged to the right end of the inner wall of the screening box through hinge blocks. A stirring shaft penetrates through the middle portion of the first screening plate and the middle portion of the second screening plate in a connection manner. The positions, close to the upper ends of the first screening plate and the second screening plate, of the stirring shaft are provided with air spraying discs. The positions, close to the lower ends of the first screening plate and the second screening plate, of the stirring shaft are provided with drive gears.The left ends of the drive gears are engaged with driven gears. Transmission shafts are connected to the middle portions of the left ends of the driven gears. The left ends of the transmission shaftsare provided with cams. The upper ends of the cams make contact with the first screening plate and the second screening plate correspondingly. A hot air box is connected to the middle portion of the upper end of the screening box, and the top end of the stirring shaft penetrates through the screening box and the hot air box to be connected with a stirring motor. According to the swinging type automatic agriculture seed screening and drying device, screening hole blockage is avoided, accordingly, the agriculture seed screening function is achieved, and meanwhile the drying function during agriculture seed screening is achieved.
Owner:宁波帮手机器人有限公司

Intelligent fruit peeling apparatus based on internet of things

ActiveCN108903007AImplement peeling operationContinuous productionSievingScreeningEngineeringMaterial Separation
The invention relates to an intelligent fruit peeling apparatus based on internet of things. The apparatus comprises a fruit screening device, a peeling chamber, a foreign material separation chamber,a foreign material compression chamber, a water regeneration chamber, a circulating water control chamber and a control display part. Through the peeling device with a specific structure, differently-sized fruits can be quickly peeled. By adjusting heights of friction heads, fruit with different thicknesses can be peeled. Fruit peels and other waste can be processed with high efficiency because aseparation board with a specific structure is arranged and a separation rotary cylinder rotates.
Owner:瑞安市浙工大创新创业研究院

Method for regulating and controlling sound wave propagation path through boundary interception

The invention discloses a method for regulating and controlling a sound wave propagation path through boundary interception. A plurality of rigid scatterers are regularly distributed in a two-dimensional plane of a matrix, primitive cell geometry and wave vector symmetry are broken by changing geometrical parameters, a Dirac cone at a boundary point of a Brillouin region is opened, a new band gapis generated, and therefore a propagation path of sound waves is regulated and controlled. According to the invention, boundary interception is adopted to regulate and control a sound wave propagationpath, and particularly, segmented regulation and control of sound waves in a band-gap frequency range can be realized on the same formed boundary by determining the specific position of interceptionon the basis of early research, that is, a filtering effect is realized. The boundary interception mode of the invention provides a new scheme for sound wave regulation and control, so that more options are provided for sound wave regulation and control.
Owner:ZHEJIANG UNIV

Agricultural rapeseed screening machine

The invention relates to a screening machine, in particular to an agricultural rapeseed screening machine. The invention provides the agricultural rapeseed screening machine being automatic in screening, convenient to collect and capable of thoroughly screening impurities. The agricultural rapeseed screening machine comprises a base, a funnel, a baffle and a separation device; and supporting columns are symmetrically arranged on one side of the top of the base, the funnel is arranged between the tops of the supporting columns, the lower part of the funnel is connected with the baffle in a sliding mode, and the separation device is arranged at the top of the base. The agricultural rapeseed screening machine achieves the effects of automatic screening, convenient collection and thorough screening of the impurities; a servo motor is started to drive a rotating shaft to rotate, and through cooperation between the separation device and a screening device, the separation device preliminarilyscreens rapeseeds while the rapeseeds fall; and when the rapeseeds fall on a screening frame, the screening frame moves left and right to secondarily screen the rapeseeds, in this way, the rapeseedscan be automatically screened, and the effect of thoroughly screening the rapeseeds can also be achieved.
Owner:满洲里阿尔泰国际粮油实业有限公司

Grinding device for silica gel production

The invention relates to the field of silica gel grinding, in particular to a grinding device for silica gel production. The grinding device for the silica gel production comprises a machine frame, wherein a motor, an operation cylinder and a collection chamber are sequentially fixed to the machine frame from top to bottom. A planetary gear train, a filtering and screening part and a partition plate are sequentially arranged in the operation cylinder from top to bottom. A material pipe fixed to the motor and a blower positioned at the lower side of the material pipe are arranged on one side ofthe operation cylinder, an output shaft of the motor is coaxially connected with a gear reduction mechanism, a baffle plate is rotatably arranged in the material pipe in a matched mode, the gear reduction mechanism is connected with the baffle plate, and grinding balls are placed in the filtering and screening part. The grinding device for the silica gel production is applied to basic material grinding, the grinding degree of the base material can be sufficient, and the utilization rate of the base material can be improved.
Owner:重庆君诚硅胶有限公司

Pilot control valve capable of operating stably

The invention relates to a pilot control valve capable of operating stably. The pilot control valve is characterized by comprising a valve body provided with a piston cavity, a first damping hole, a one-way valve core, a control piston and a second spring, wherein an end cap is fixed at the front end of the valve body, and a liquid outlet channel and a liquid inlet channel are formed in the end cap; the first damping hole is formed in the liquid inlet channel and enables the outside to communicate with the piston cavity; the one-way valve core is arranged in the liquid outlet channel; the piston cavity is divided into a rod cavity and a rodless cavity by the head part of the control piston, a second damping hole is formed in the control piston, and a rod part of the control piston penetrates out of the top wall of the rod cavity; the second spring is arranged in the rod cavity and acts on the head part of the control piston so as to enable the control piston to keep an axial moving trend in a direction facing the end cap. The pilot control valve is reasonable in structure, and can stably control opening of a pilot valve core of a balance valve without being distributed by pressure fluctuation.
Owner:江苏盐高阀门制造有限公司

Agricultural automatic peanut shell breaking device

The invention relates to a shell breaking device, in particular to an agricultural automatic peanut shell breaking device. The agricultural automatic peanut shell breaking device is low in labor intensity, high in working efficiency and free of damage to peanuts. The agricultural automatic peanut shell breaking device comprises a base, brackets, a pushing mechanism and an extrusion mechanism, wherein three first supporting columns are arranged on the base; the two brackets are arranged on the front side of the base; the pushing mechanism is arranged among the tops of the three first supportingcolumns; and the extrusion mechanism is arranged on the left side of the upper front part of the base. According to the agricultural automatic peanut shell breaking device, an air cylinder telescopicrod extends forwards to drive a discharging plate to move forwards, then a first sliding block is driven to move forwards, a user manually pulls a material blocking plate rightwards, and peanuts falloff from a discharging port; and a first connecting rod drives a first rack to move downwards, so that a second sliding block is driven to move downwards, a first spring is compressed to extrude thepeanuts on the material blocking plate, shells of the peanuts are broken, and the extrusion effect is achieved.
Owner:牟立勇

Dual-polarized filtering patch antenna with high selective gain

The invention discloses a dual-polarized filtering patch antenna with high selective gain. The dual-polarized filtering patch antenna comprises a metal reflection floor, a first dielectric substrate,a second dielectric substrate, a first metal column, a second metal column, a first metal feed sheet and a second metal feed sheet which are sequentially arranged from bottom to top, a preset distanceis kept between the metal reflection floor and the first dielectric substrate, a preset distance is kept between the first dielectric substrate and the second dielectric substrate, an air layer is formed, two input through holes are formed in the metal reflection floor, the metal feed pieces are connected with the input through holes through metal columns respectively, and the metal columns and the input through holes form input ports. The first dielectric substrate is provided with a first rectangular patch, the first rectangular patch is provided with four slot lines which extend from fourcorners of the first rectangular patch to the center and are not intersected with each other, the second dielectric substrate is provided with a second rectangular patch, and the center of the secondrectangular patch is provided with a cross-shaped slot line; the dual-polarized filtering patch antenna has impedance matching characteristics, and the rectangular patch is applied to introduce a radiation zero point, so that the dual-polarization structure is reserved, and the filtering performance is realized.
Owner:SOUTH CHINA UNIV OF TECH +1

Chip integration module, control circuit and lighting device

The invention provides a chip integration module, a control circuit and a lighting device. The chip integration module comprises an alternating current input pin, a second grounding pin, a first grounding pin, a rectification unit, a power supply voltage input pin and a logic control unit, the alternating current input pin is connected with a rectification input end, the first grounding pin is connected with a common reference end, and the second grounding pin is connected with the logic control unit; and the supply voltage input pin is connected with the rectification output end. The chip integration module is provided with two grounding pins. Therefore, when the filter is connected on the basis of the chip integration module, the first inductor of the filter can be connected between twogrounding pins, and the first capacitor of the filter is arranged between the power supply voltage input pin and the first grounding pin, i.e., the first capacitor of the filter is arranged at the rear end of the rectification unit, so that the filter can realize a filtering effect by using an electrolytic capacitor or a thin-film capacitor instead of a safety capacitor.
Owner:OPPLE LIGHTING +1
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