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63results about How to "Meet different design needs" patented technology
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Touch screen and electronic device therewith
ActiveCN101943965AImprove reliabilityReduce widthConductive layers on insulating-supportsDigital data processing detailsTouchscreenOmega
The invention relates to a touch screen applied to an electronic device, comprising a first base board and a second base board with are overlapped with each other, wherein the first base board is provided with a first conducting layer and a first peripheral conducting wire; and the second base board is provided with a second conducting layer arranged at one side opposite to the first conducting layer. The surface resistances of the first conducting layer and the second conducting layer are 1k omega / -800k omega / , the first base board and the second base board are divided into a touch area and an edge area from the overlapping area of the first conducting layer and the second conducting layer, the first peripheral conducting wire passes through the edge area, and the width of the edge area is 100 mu m-1 mm.
Owner:INNOCOM TECH (SHENZHEN) CO LTD +1
Construction technique for ultralow-temperature high-property concrete for railway construction in frigid areas
ActiveCN102797358AThe process steps are simpleEasy to operateBuilding material handlingCalcium formateSuperplasticizer
The invention discloses a construction technique for ultralow-temperature high-property concrete for railway construction in frigid areas. The construction technique comprises the steps as follows: A, mixing ultralow-temperature high-property concrete: gelled materials, sand, crushed stone, an efficient water reducing agent, compound antifreeze and water are evenly mixed to obtain the ultralow-temperature high-property concrete; the gelled materials are made by evenly mixing cement and mineral admixtures in the weight ratio of (88-78):(12-22); the weight ratio of the compound antifreeze to the mineral admixtures is (3-6):100; the compound antifreeze comprises 30 to 35 wt% of nitrate, 30 to 33 wt% of organic compound, 0.5 to 1wt% of calcium formate, and water as the rest; the nitrate is calcium nitrate or calcium nitrite; and the organic compound is methanol or alcohol; B, pouring the ultralow-temperature high-property concrete; and C, curing the ultralow-temperature high-property concrete. The construction technique has the advantages of reasonable design, simplicity in construction steps, convenience in operation, fast construction progress, low construction cost, and good structural quality of concrete used in construction.
Owner:CHINA RAILWAY 20 BUREAU GRP
Coloring method, apparatus and device for multiple target areas in picture, and storage medium
ActiveCN108921916AShorten the timeIncrease diversityImage analysisNeural architecturesChange colorComputer vision
The invention discloses a coloring method, apparatus and device for multiple target areas in a picture, and a storage medium. The method comprises the steps of performing graying processing on a to-be-colored picture to obtain a grayscale picture; selecting a plurality of color standard pictures for performing design of different colors for the to-be-colored picture; coloring the grayscale picturethrough the selected color standard pictures; identifying and segmenting a plurality of colored target areas; and fusing the segmented target areas to the corresponding position of the to-be-coloredpicture. According to the coloring method, apparatus and device, the multiple target areas in the to-be-colored picture are colored through the multiple existing color standard pictures coordinated incolor to change color information of the target areas in the to-be-colored picture, so that a lot of time is saved, the color of the picture are not excessively monotonous, the diversity and flexibility of coloring are realized, and different design requirements are met.
Owner:GUANGDONG UNIV OF TECH
Micro-electromechanical system (MEMS) microphone and packaging method thereof
ActiveCN102595293AReduce manufacturing costStrong structural reliabilityElectrostatic transducer microphonesTransducer circuitsStructural reliabilityEngineering
The invention provides a micro-electromechanical system (MEMS) microphone and a packaging method of the MEMS microphone. The MEMS microphone comprises a circuit board substrate, a hollow circuit board frame, a cover, an MEMS acoustic chip and an application specific integrated circuit (ASIC) chip, wherein the circuit board substrate, the hollow circuit board frame and the cover form an MEMS microphone frame structure; the MEMS acoustic chip and the ASIC chip are arranged in the MEMS microphone frame structure; the circuit board substrate and the cover are fixedly arranged on the upper and lower surfaces of the circuit board frame respectively; the MEMS acoustic chip and the ASIC chip are arranged on the circuit board substrate and the cover respectively; and the chips on the cover are electrically connected with the circuit board frame through a metal wire. By the MEMS microphone and the packaging method of the MEMS microphone, the mounting positions of the MEMS acoustic chip and the ASIC chip of the MEMS microphone are flexibly regulated, and different design requirements can be met; and the MEMS microphone with the structure is low in manufacture cost and high in structural reliability.
Owner:WEIFANG GOERTEK MICROELECTRONICS CO LTD
Method for calculating the aseismic bearing capacity of structural members based on the performance level
ActiveCN109344511AOvercoming Intensity UncertaintyImprove calculation accuracyGeometric CADDesign optimisation/simulationSingle degree of freedomResponse spectrum
The invention relates to the technical field of aseismic design. The method for calculating the aseismic bearing capacity of structural members based on the performance level of the invention comprises the following steps: setting different performance levels according to the maximum inter-story displacement angle of the structure to calculate the structural vertex displacement of different performance levels; The first mode displacement is determined according to the mass participation coefficient of the first mode and the vertex displacement of the structure with different performance levels; According to the displacement of the first mode, the displacement of the equivalent single-degree-of-freedom system is obtained. The first mode earthquake influence coefficients of different performance levels are obtained by choosing the ground motion suitable for the site. Based on the average value of the peak acceleration of several ground motions with different performance levels, the seismic influence coefficient is obtained according to the design response spectrum specified in the seismic code. Seismic Action of Structures with Different Performance Levels under Multiple Vibration Modes; Carry out the calculation of bearing capacity. Based on the performance level, the seismic design method is more scientific when the seismic bearing capacity of structural members is calculated.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Radiofrequency ablation catheter and system
ActiveCN112402008ARaise the upper limit of stiffnessLow costSurgical instruments for heatingRf ablationCatheter
The application discloses a radiofrequency ablation catheter and system. The radiofrequency ablation catheter comprises a catheter body, wherein a traction wire penetrates through the inner part of the catheter body, an annular section is arranged at a far end of the catheter body, the annular section can deform under the action of the traction wire, a deformation restraining sleeve further fixedly penetrates through the inner part of the catheter body, the traction wire is movably arranged in the deformation restraining sleeve in a penetrating mode, an elastic wire used for keeping the self shape of the annular section is further arranged in the deformation restraining sleeve in a penetrating mode, the far end of the traction wire and the elastic wire are relatively fixed, the deformationrestraining sleeve at least extends to the near end side of the annular section from the far end of the catheter body, the rigidity D1 on the near end side of the annular section of the deformation restraining sleeve is larger than the rigidity D2 on the annular section of the deformation restraining sleeve, a deformation restraining catheter is used for adjusting deformation generated when the catheter body is acted by the traction wire, and the deformation restraining catheter defines a penetrating channel. The radiofrequency ablation catheter disclosed by the invention is compact in structure, the annular section can be flexibly changed according to the requirements of different working conditions, and the radiofrequency ablation system can achieve the smooth and controllable ablationprocess.
Owner:HANGZHOU BRONCUS MEDICAL CO LTD
Installation method of stay cable of cable-stayed bridge reduced-scale test model
ActiveCN110700072AThe calculation process is concise and clearTension steps are clearGeometric CADCable-stayed bridgeStructural engineeringArchitectural engineering
The embodiment of the invention discloses an installation method of a stay cable of a cable-stayed bridge reduced-scale test model. The method comprises the steps of building a cable-stayed bridge reduced-scale finite element model and a stay-cable-free cable-stayed bridge reduced-scale test model according to the bridge parameters; obtaining the cable force tension value of each stay cable in a cable-stayed bridge according to the bridge forming state requirement of the cable-stayed bridge and the reduced-scale finite element model of the cable-stayed bridge; and installing the stay cables according to the cable-stayed bridge reduced scale test model without the stay cable and the cable force tension values. The method is not limited to a single expected value, different design requirements can be met, the calculation process is concise and clear, the tensioning steps are clear, only the tension information of one cable needs to be paid attention to each time of tensioning, and the complex step that overall optimization cable adjustment is conducted after all stay cables are tensioned, is avoided.
Owner:CHINA UNIV OF MINING & TECH
Fabricated corrugated web steel box-UHPC composite beam bridge and construction method thereof
PendingCN111206489AMeet different design needsReduce welding workloadBridge structural detailsBridge erection/assemblyArchitectural engineeringBridge deck
The invention relates to a fabricated corrugated web steel box-UHPC composite beam bridge and a construction method thereof, the fabricated corrugated web steel box-UHPC composite beam bridge is composed of corrugated web steel boxes and UHPC bridge deck slabs, each corrugated web steel box is of an open box-shaped structure composed of a flat steel bottom plate, corrugated steel webs and a flat steel top plate, and the adjacent corrugated web steel boxes are connected through cross beams between the boxes; the UHPC bridge deck slabs comprise in-box prefabricated UHPC bridge deck slabs, inter-box prefabricated UHPC bridge deck slabs and cantilever cast-in-place UHPC bridge deck slabs, and the adjacent prefabricated UHPC bridge deck slabs are connected through cast-in-place wet joint UHPC bridge deck slabs; and the multiple UHPC bridge decks are correspondingly installed on the multiple corrugated web steel boxes to form the assembly type corrugated web steel box-UHPC composite beam bridge. According to the fabricated corrugated web steel box-concrete composite beam bridge, the steel consumption configuration is optimized, the self-weight of the structure is further reduced, the prefabricated concrete bridge deck is adopted, the fabricated degree is further improved, the construction period is short, the standardization degree is high, remarkable economic and social benefits areachieved, and the fabricated corrugated web steel box-concrete composite beam bridge has important significance in promoting large-scale application of steel structure bridges.
Owner:甘肃省交通规划勘察设计院股份有限公司
A method for generating encoded information and a method for identifying encoded information
ActiveCN108985421ARich generation methodRich presentationRecord carriers used with machinesComputer vision
Owner:SHANGHAI ZHANGMEN TECH
Topological parameter hybrid optimization method for nonlinear dynamic system structure of high-speed light load mechanism
ActiveCN105243231AMeet different design needsImprove performanceSpecial data processing applicationsAlgorithmTopology optimization
The invention discloses a topological parameter hybrid optimization method for a nonlinear dynamic system structure of a high-speed light load mechanism. According to the method, a linear structure optimization iteration of a standard ESLM (equivalent static loads method) is defined into a single modification, so that a change of an inertial load caused by a structure modification is immediately reflected into an optimization model; a structure with the minimal equivalent load change is obtained; and aiming at a problem that a topological structure tending to 0 or 1 cannot be obtained by the single modification, the standard ESLM is further introduced to obtain a clear topological optimization structure, so that the hybrid optimization of the high-speed light load mechanism on the basis of a single or maximum iteration ESLM is achieved. According to the topological parameter hybrid optimization method, equivalent loads are considered into a function of a design variable; the optimization model is reconstructed; a corresponding determining method is provided; the residual amplitude can be lowered to the maximal extent under the condition of meeting optimization conditions; compared with standard equivalent static loads, the amplitude under the same motion condition can be lowered by a half; the properties of the high-speed light load mechanism are greatly improved; and different design requirements of the high-speed light load mechanism are met.
Owner:GUANGDONG UNIV OF TECH
Method for preparing thick film silicon nitride waveguide
ActiveCN110456450AReduce lossEasy to adjust the thicknessOptical waveguide light guideSidewall roughnessHigh stress
The invention discloses a method for preparing a thick film silicon nitride waveguide, comprising the steps of: sequentially forming a lower cladding layer and a sacrificial layer on a semiconductor substrate, wherein the height of the sacrificial layer is the same as the thickness of a preset waveguide; photoetching and etching the sacrificial layer to form a core layer groove by using an upper surface of the lower cladding layer as a termination layer, wherein the width of the core layer groove is greater than the width of the preset waveguide; depositing a core layer material in the core layer groove and on the sacrificial layer to form a first core layer; removing the excess first core layer by using a surface planarization process and by using the upper surface of the sacrificial layer as the termination layer; repeating the above step until the thickness of the core layer formed in the core layer groove reaches the thickness of the preset waveguide; removing the sacrificial layerand etching the core layer to form a preset waveguide structure by using the upper surface of the lower cladding layer as the termination layer; and forming an upper cladding layer on the preset waveguide structure on the lower cladding layer. By adopting the scheme, the high stress problem caused by the excess thickness of the thin film is solved, and the shape of the waveguide is optimized to reduce the sidewall roughness.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI
Preparation method of area thick film silicon nitride
ActiveCN110456451AConducive to high integrationEasy thicknessOptical waveguide light guideSilicon nitrideWaveguide
The invention provides a preparation method of area thick film silicon nitride, and the method comprises the following steps of sequentially forming a lower cladding layer and a sacrificial layer on asemiconductor substrate, wherein the height of the sacrificial layer is the same as the thickness of a preset waveguide device area; forming a plurality of core region grooves by taking the upper surface of the lower cladding layer as a stop layer; depositing a core layer material in the plurality of core region grooves and on the sacrificial layer to form a first core layer, wherein the thickness of the first core layer is smaller than that of the preset waveguide device area; removing the redundant first core layer by taking the upper surface of the sacrificial layer as the stop layer; repeating the above-mentioned steps until the thickness of the formed core layer reaches the thickness of the preset waveguide device area; removing the sacrificial layer to form a plurality of core regions by taking the upper surface of the lower cladding layer as the stop layer, and etching the core regions to form a preset waveguide device structure; and forming an upper cladding layer on the preset waveguide structure and the lower cladding layer. The preparation method of area thick film silicon nitride solves the problem of high stress caused by too thick film, is beneficial to realize highintegration of a chip, and simultaneously solves the problem that direct grooving is not beneficial to prepare a high-integration waveguide device.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI
Ultralow temperature high-performance concrete composite anti-freezing agent and preparation technology thereof
The invention discloses an ultralow temperature high-performance concrete composite anti-freezing agent and a preparation technology for the ultralow temperature high-performance concrete composite anti-freezing agent. The composite anti-freezing agent comprises the following components in percentage by weight: 30 to 35% of nitrate, 30 to 33% of organic compound, 0.5 to 1% of calcium formate, and the balance of water, wherein the nitrate is calcium nitrate or calcium nitrite, and the organic compound is methanol or ethanol; and the preparation technology comprises the following steps: 1, preheating the nitrate and calcium formate: heating the nitrate and calcium formate to 40 to 70 DEG C, respectively; and 2, uniformly mixing: uniformly mixing the water and the heated nitrate and calcium formate in step 1 based on a design ratio, thus obtaining the composite anti-freezing agent. The preparation technology disclosed by the invention is simple in steps, simple and convenient to operate, has low input cost and a good using effect, and a performance of the ultralow temperature high-performance concrete can be effectively improved.
Owner:CHINA RAILWAY 20 BUREAU GRP
Optical path rapid-switching device
The invention discloses an optical path rapid-switching device which comprises a lens fixing part, a cam part, an elastic piece, a mounting seat and a motor, wherein the lens fixing part and the cam part are all detachably mounted on the mounting seat; the cam part comprises a cam; a reflective lens is fixed at one end of the lens fixing part, and the other end of the lens fixing part is connected with one end of the elastic piece; a rolling wheel is arranged in the middle of the mounting seat; the rolling wheel is in contact with the circular arc section of the side wall of the cam under the tensioning force action of the elastic piece; when the cam rotates, the lens fixing part drives the reflective lens to rotate back and forth between two different positions, so that the reflection direction of the optical path incident on the reflective lens is changed. The optical path rapid-switching device is stable in operation, can flexibly regulate the angle of incidence of the incident light, can fully replace an oscillating mirror, and can further reduce the cost.
Owner:SHENZHEN CERTAINN TECH CO LTD
Production process of metal gear shifting ball head
InactiveCN108544187AImprove wear resistanceHigh temperature toleranceSuperimposed coating processCopper platingPlastic materials
The invention discloses a production process of a metal gear shifting ball head and belongs to the field of gear shifting ball heads. The production process comprises the following steps of die casting, wherein after an aluminum alloy ingot material is molten, a part base material is formed through die casting formation; machining, wherein machining treatment is conducted on the part base materialthrough a CNC process; polishing, wherein mirror polish treatment is conducted on the surface of a part; cleaning, wherein the polished part is cleaned; copper plating, wherein copper plating treatment is conducted on the surface of the part; polishing, wherein high-glossiness polishing treatment is conducted on the surface of the part obtained after copper plating treatment; cleaning, wherein the part obtained after high-glossiness polishing treatment is cleaned; and surface electroplating and spraying process treatment, wherein copper plating, nickel plating and chrome plating are sequentially conducted on the surface of the part, and finally, painting treatment is conducted. According to the production process, the gear shifting ball head is formed by conducting die casting on the aluminum alloy ingot material; after surface copper plating is completed, polishing and electroplating treatment are conducted; wear resistance and temperature resistance of the gear shifting ball head are improved; and in addition, the metal gear shifting ball head is recyclable, and the problem that when a plastic material is adopted, the environment is polluted is avoided.
Owner:上海高齐汽车配件有限公司
LED (Light Emitting Diode) lens design method for non-planar uniform illumination
ActiveCN109324410AHighly uniform irradiance distributionImprove lighting effectsSemiconductor devices for light sourcesRefractorsMathematical modelLight spot
The invention belongs to the technical field of optical lenses, and particularly relates to an LED lens design method for non-planar uniform illumination. The method comprises the following steps of:dividing a target non-planar into a plurality of grids on a projection surface of a XOY plane, introducing into a matrix, indicating a vertical distance between each grid and the LED; substituting thevertical distance into a traditional lens mathematical model, iteratively solving the model by setting the expected irradiance distribution of the target non-planar, and obtaining multiple sets of discrete points; and using a three-dimensional drawing to get a final free-form surface lens. The optical device is a single free-form surface lens, is easy to process, and has good light distribution performance. The lens performs secondary light distribution on the emitted light of the LED, and obtains a uniform irradiated light spot on the target non-plane, thereby overcoming the insufficiency that the conventional free-form lens cannot perform uniform illumination on the non-planar. According to the LED lens design method for the non-planar uniform illumination, the irradiation uniformity isgood, the uniformity on the target non-planar can reach 70.01%, and the utilization rate of the LED energy can reach 83.51% or more.
Owner:FUDAN UNIV
Data processing method based on radio access technology (RAT) and transmission nodes
InactiveCN106817747ASolve the problem of converging different wireless access technologiesMeet different design needsTransmission path divisionAssess restrictionRadio access technologyTelecommunications
The invention provides a data processing method based on a radio access technology (RAT) and transmission nodes. The method comprises steps: a first transmission node selects a radio access technology (RAT) according to a specific rule, wherein the specific rule comprises at least one selected from a coverage grade, a frequency domain bandwidth, a resource unit type, a transmission mode, pre-configuration of the first node and the capability of a second transmission node to select the RAT; the RAT comprises at least one selected from a multi-access mode, a modulation mode, a subcarrier interval and the maximum carrier number for bearing data; the capability of the second transmission node is defined by the RAT supported by the second transmission node; and the first transmission node carries out data receiving or transmission on a radio resource unit corresponding to the RAT according to the selected RAT. The problem of integrating different RATs is solved, different design requirements are met, and different RATs are compatible.
Owner:ZTE CORP
Method for carrying out structural topological parameter optimization on nonlinear dynamic systems of high-speed light-load mechanisms
InactiveCN105224771AImprove performanceMeet design needsSpecial data processing applicationsVariable densityStructure modification
The invention discloses a method for carrying out structural topological parameter optimization on nonlinear dynamic systems of high-speed light-load mechanisms. According to the method, the iteration of linear structure optimization in an ESLM (equivalent static loads method) is restricted as single modification, so that the change of inertial load caused by structure modification is immediately reflected in an optimization model; in allusion to the problem that the a topological structure tending to 0 or 1 cannot be obtained through the single modification, topological parameter (topometry) optimization is directly carried out on the thickness, or the penalty function (the punishment factor P is set as 1) of a topological optimization variable density method is cancelled, and the optimization result is converted into an equivalent thickness, so that the topological parameter optimization of the high-speed light-load mechanisms on the basis of the singly modified ESLM is realized. According to the method, the equivalent load is considered as a function of a design variable, the optimization model is reconstructed, and a corresponding solving method is proposed, so that the residual amplitude is reduced as much as possible while the optimization condition is satisfied, compared with the standard equivalent static load, the amplitude under the same movement condition can be reduced by a half, and the performance of the high-speed light-load mechanisms can be greatly improved.
Owner:GUANGDONG UNIV OF TECH
A kind of dissipative broadband absorbing fss structure and preparation method
ActiveCN107706538BStop Band ReductionSolve the technical problem that the application is limited by the structural shapeAntennasCarbon filmDielectric plate
The invention discloses a dissipation type broadband wave-absorbing FSS structure and a preparation method. A patch type FSS unit structure is formed on a dielectric plate by adopting a carbon film spraying process; the FSS unit structure is a square fractal structure, and square grids are periodically arranged; the square of the fractal structure comprises a #-shaped structural patch in the center and big square patches in the four corners of the square; the end parts of four arms of the #-shaped structural patch are expanded to form a square cross-shaped structure; and small square patches are symmetrically arranged in the square cross-shaped structure. The special FSS structure, by virtue of the surface resistance characteristic, breaks through the fact that the conventional frequency selection surface stop band has the total reflection characteristic; a lossy network which is formed by the capacitor, inductor, resistor and transmission line is introduced, so that the stop band frequency band can be reduced effectively; and therefore, the technical problem that the application of the existing frequency selection surface is limited by the structural appearance is solved.
Owner:AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
Radiofrequency ablation catheter for performing pulmonary nerve ablation
ActiveCN112294428ARaise the upper limit of stiffnessLow costSurgical instruments for heatingCatheterTherapeutic effect
The invention discloses a radiofrequency ablation catheter for performing pulmonary nerve ablation. The radiofrequency ablation catheter comprises a catheter body, a traction wire penetrates through the catheter body, the far end part of the catheter body is an annular section, the annular section can deform under the action of the traction wire, a deformation restraining sleeve si further fixedlyarranged in the catheter body in a penetrating mode, the traction wire is movably arranged in the deformation restraining sleeve in a penetrating mode, and the far ends of the traction wire and the annular section are relatively fixed; and the deformation restraining sleeve at least extends to the near end side of the annular section from the far end of the catheter body, a rigidity D1, located on the near end side of the annular section, of the deformation restraining sleeve is larger than a rigidity D2, located on the annular section, of the deformation restraining sleeve, a deformation restraining pipe is used for adjusting deformation generated when the catheter body is acted by the traction wire, and the deformation restraining pipe defines a penetrating-guiding channel. According tothe technical scheme, different rigidities are provided at different positions through the deformation restraining pipe, so that the deformation degree of each part is accurately controlled in the far-end part deformation process, a basis is provided for a stable and reliable treatment process and treatment effect, and the operation feeling is improved.
Owner:HANGZHOU BRONCUS MEDICAL CO LTD
Novel brush type seal and production method thereof
ActiveCN105569744ASimple structureEffective stockLeakage preventionMachines/enginesEngineeringConductor Coil
The invention discloses a novel brush type seal which comprises a steam seal block and a brush seal, wherein a brush seal groove is formed in the steam seal block; the brush seal is fixed in the brush seal groove and comprises two wire brush protecting plates and brush wires arranged between the two wire brush protecting plates; the two wire brush protecting plates are identical in height and are separately lower than the brush wires; a separation blade for preventing the brush wires from being inclined is arranged below the air outlet side of the brush seal groove; and the separation board and the steam seal block form an integrated structure. According to the novel brush type seal disclosed by the invention, in production of the novel brush type seal, a direct type brush seal is first produced, and then is subjected to rolling-bending forming, so that the defects that an existing process is troublesome in production, poor in generality and the like are overcome; the novel brush type seal can be produced on batch, and is effective in inventory and good in generality; the influence of clockwise and counter-clockwise rotation of a rotor on the arraying direction of the brush seal is eliminated, the rejection rate is reduced and an original wire arraying template is discarded; and by adopting an automatic wire winding process, labor intensity is reduced, the uniformity and the precision of arrayed wires are improved, and the production efficiency is greatly improved.
Owner:江苏鑫信润科技股份有限公司
A horizontal negative stiffness device with vertical shock absorption function
ActiveCN106968499BIncrease stiffnessReduce stiffnessProtective buildings/sheltersShock proofingDamping functionNegative stiffness
Owner:SHANGHAI UNIV
Calculation Method of Seismic Bearing Capacity of Structural Members Based on Performance Level
ActiveCN109344511BOvercoming Intensity UncertaintyImprove calculation accuracyGeometric CADDesign optimisation/simulationSingle degree of freedomEngineering
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Military FPGA universal reconstruction circuit based on JTAG interface
PendingCN112596743AExtend the field debugging distanceReduce in quantitySoftware deploymentDebugWIRE'Backward reading'
The invention relates to a military FPGA universal reconstruction circuit based on a JTAG interface, and the reconstruction circuit is provided with four input pins and four output pins, can be connected with pins of an FPGA, a CPLD and a PROM, receives an instruction of an upper computer, carries out the backward reading IDCODE operation of the FPGA, the CPLD and the PROM in a link through the JTAG interface, determines the model of a device, and according to an instruction of the upper computer, capable of erasing, programming, reading back and checking the selected device through the JTAG interface; by means of the reconstruction circuit, the purpose of designing FPGA and CPLD design programs in an on-site change system after product installation is achieved, external interfaces of products are effectively reduced, the distance of debugging cables is prolonged, and the on-site debugging efficiency of installed products is improved.
Owner:BEIJING MXTRONICS CORP +1
USB (Universal Serial Bus) electric connector
InactiveCN101964459AStable relative positionMeet different design needsContact member assembly/disassemblySecuring/insulating coupling contact membersElectricityEngineering
Owner:TYCO ELECTRONICS (SHANGHAI) CO LTD
Knee joint operation auxiliary device
The invention discloses a knee joint operation auxiliary device, which comprises a scaleplate, an upper body, a lower body, a moving rod and a rotating body; the upper body comprises a rod piece, a mounting block and an upper gasket; a columnar space is formed in the lower portion of the rod piece; the lower body comprises a body and a lower gasket; a groove is formed in the outer wall of one side of the body; a through cavity is formed in the centre of the body; the groove and the cavity are communicated to form a limiting long hole; a protruding part is arranged at the bottom of the other side of the body; a through hole is formed in the middle of the protruding part; a communicating hole is formed between the through hole and the cavity; the upper end of the scaleplate is fixedly mounted on the mounting block; distance scales are arranged at the upper part of the scaleplate; tension scales are arranged at the lower part of the scaleplate; furthermore, a long hole is formed; the rotating body is mounted in the through hole of the protruding part; a gear is arranged in the middle; hexagonal heads are arranged at two ends; the moving rod consists of a rack and a cylindrical rod; a spring is arranged on the cylindrical rod; the moving rod is inserted from the bottom of the cavity; the gear is meshed with the rack; the rod piece is inserted from the top of the cavity and sleeved on the cylindrical rod; and the scaleplate is inserted into the groove. The device is convenient to use and accurate in measurement.
Owner:TIANJIN CITY THIRD CENT HOSPITAL
Fresh air panel assembly, air-conditioner indoor unit and air conditioner
PendingCN111649470AEasy to processMeet different design needsDucting arrangementsLighting and heating apparatusFresh airProcess engineering
The invention discloses a fresh air panel assembly, an air-conditioner indoor unit and an air conditioner. The fresh air panel assembly comprises a fresh air panel and a mounting plate, wherein an airoutlet structure is arranged on the fresh air panel; and the fresh air panel is mounted on the surface of the mounting plate, a ventilation opening penetrating through the mounting plate is formed inthe mounting plate, and the ventilation opening is arranged corresponding to the air outlet structure. In this way, the fresh air panel assembly is provided with the fresh air panel and the mountingplate which are arranged in a split-assembly manner, different process treatments can be respectively carried out on the fresh air panel and the mounting plate, so that the machining process of the fresh air panel assembly can be further simplified at the same time of meeting different design requirements, and the production efficiency is improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Construction method of fabricated slant steel plate mesh cast-in-place concrete shear wall
The invention discloses a construction method of a fabricated slant steel plate mesh cast-in-place concrete shear wall. The construction method includes the steps that step 1, the number of layers of the shear wall is determined; step 2, a single-layer shear wall steel framework is constructed; step 3, a single-layer shear wall is cast in situ; step 4, a multi-layer shear wall steel framework is constructed; and step 5, a multi-layer shear wall is cast in situ. According to different building structures, inclined steel plate meshes are installed in a full-assembly mode to construct the shear wall steel framework, the combination form is variable and flexible, assembly is easy, transportation is light and convenient, universality is high, concrete is cast in place on site, the formed shear wall structure is stable, the construction cost can be effectively saved, and the assembly type characteristic is met; and inclined tensile stress is improved on an inner wall body and an outer wall body of the shear wall, so that crack diseases of the wall bodies are treated and prevented.
Owner:陕西省建筑设计研究院(集团)有限公司
Multi-working-platform mobile phone
InactiveCN103108060AMeet different design needsTelephone set constructionsMobile phoneElectrical and Electronics engineering
The invention provides a multi-working-platform mobile phone. The multi-working-platform mobile phone comprises a main body and an outer shell, wherein the main body comprises a first working group and a second working group. The first working group comprises four working bodies, the second working group comprises four working bodies, wherein any working body of the first working group is connected with three adjacent working bodies of the second working group through a V-shaped hinge, the outer shell comprises twelve equant-shaped U-shaped elements, each U-shaped element comprises a first face and a second face, a connection piece is arranged at the junction of the first face and the second face, and the U-shaped elements are connected with the V-shaped hinges through the connection pieces. The main body and the outer shell form a sphere structure, two structure states are arranged between the main body and the outer shell, and the two structure states can switch mutually. A designer of the multi-working-platform mobile phone is capable of autonomously designing working platforms according to the need. A foldable outer shell structure is adopted, and the interestingness and the practicability are good.
Owner:SHANGHAI CHENXING ELECTRONICS SCI & TECH CO LTD
Thin floor heating floor capable of intelligently inducting and adjusting temperature
InactiveCN110185227AConcentrated utilization and saving of energy consumptionMeet different design needsCovering/liningsLighting and heating apparatusHuman body temperatureFiber layer
The invention discloses a thin floor heating floor capable of intelligently inducting and adjusting the temperature. The surface of the thin floor heating floor is a wood veneer skin layer, a polymerbase layer is arranged on the lower part of the wood veneer skin layer, the polymer base layer is provided with an intelligent heat source induction gasket, and a heat source fiber layer and a heat resistant protective layer are successively arranged on the lower part of the polymer base layer; and the intelligent heat source induction gasket is attached to the polymer base layer, when the human body weight exerts the pressure, an induction mode is automatically turned on and wirelessly controlled through a mobile phone or a computer, the floor can intelligently induct the human body temperature, feed back to the heat source fiber layer, and adjust the floor heating floor temperature. According to the thin floor heating floor capable of intelligently inducting and adjusting the temperature, a floor heating system is adopted, the problems of tedious construction of traditional floor heating, separation of heating and floors, high cost, low efficiency and long construction period are solved, an advanced surface layer treatment technology is adopted, heating fibers are integrated into a floor interlayer organically, multiple textures are achieved, and the different design needs of people are met.
Owner:IANGSU COLLEGE OF ENG & TECH
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