Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
154results about How to "Not easy to distort" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
On-chip information transmission device based on magnetic skyrmion
ActiveCN104157297ARealize the signal transmission functionNot easy to distortManufacture head surfaceMaintaining head carrier alignmentInformation transmissionMagnetic skyrmion
An on-chip information transmission device based on magnetic skyrmion and consists of a magnetic skyrmion signal generator, a magnetic nano track used for magnetic skyrmion signal transmission and a signal reading device used for detecting magnetic skyrmion, wherein the magnetic skyrmion signal generator is positioned at the sending terminal of the magnetic nano track, the magnetic skyrmion signal reading device is positioned at the receiving terminal of the magnetic nano track, and the magnetic nano track can play a role of connecting the whole device; during operation, the magnetic skyrmion signal generator converts a signal required to be transmitted into skyrmion on a magnetic nano-ribbon, and after the skyrmion is transmitted by the magnetic nano track, the magnetic skyrmion signal reading device at the tail end reads the signal and recovers the signal into a required electrical signal. The on-chip information transmission device overcomes the shortcoming that step-by-step magnification is required for signal transmission in a traditional circuit, and can greatly reduce energy consumed by signal transmission in a chip to realize low-power-consumption design.
Owner:BEIHANG UNIV
Computer-controlled servo 3D bayonet tufted carpet machine
The invention discloses a computer-controlled servo 3D bayonet tufted carpet machine which comprises a group of front and rear racks which stand opposite to each other, wherein the front rack is provided with a cloth locking mechanism for supporting and binding the corners of carpet base cloth, and the rear rack is provided with a displacement mechanism; a tufting head is arranged on the displacement mechanism towards the front rack, and the touch surface of the tufting head involves the whole region in the front rack under the condition that the tufting head is driven by the displacement mechanism. The rack is vertically arranged and is divided into two, and the rack is flexibly arranged and is convenient to move; the whole size of the rack is not changed, but a large part of space is occupied aloft, and the landing area is smaller. Only one tufting head can move and tuft in the whole range of the carpet base cloth, and is widely suitable for various different carpet twines, the speed is relatively high, the precision is improved, the details of the original carpet pattern is shown easily, the finished carpet pattern product is lossless, and more importantly, a carpet with a stereoscopic 3D effect can also be woven.
Owner:许立江
Original handwriting writing same-screen display method and system
PendingCN106406731AAchieve sharingEfficiently obtainedDigital output to display deviceHandwritingTime information
The invention belongs to the technical field of Internet teaching and provides an original handwriting writing same-screen display method and system. The method comprises the steps as follows: an input client receives a handwriting input instruction of a first user; a display client receives a handwriting display instruction and stops receiving the handwriting input instruction of a second user; the input client collects position information, time information and a pressure value corresponding to the input handwriting, and obtains a stroke structure of the input handwriting and the motion speed of the input handwriting; a stroke width of the input handwriting is obtained according to the pressure value and the motion speed of the input handwriting and a data package with a predetermined format is transmitted to the display client by a server; and the display client unpacks the data package with the predetermined format and displays the stroke structure of the input handwriting and the stroke width of the input handwriting. According to the original handwriting writing same-screen display method and system, the written handwriting can be collected in real time and synchronously displayed on a plurality of display screens, so that the cooperation efficiency is improved and the paper resource is saved.
Owner:广东墨痕教育科技有限公司
Rapid inspection method and rapid inspection system for bridge bottom damage positions
ActiveCN102829766AChange the means of manual inspectionImplement securityOptical rangefindersPhotogrammetry/videogrammetryObservation pointMeasurement point
The invention discloses a rapid inspection method for bridge bottom damage positions. The method includes the steps: determining a left observation point and a right observation point at the bridge bottom, and determining a left initial measurement point and a right initial measurement point on the bridge axis; respectively measuring relative distances among different observation points and different initial measurement points; measuring the relative distances among different observation points and damage points; and computing the damage point positions according to all measurement results. The invention further discloses a rapid inspection system for the bridge bottom damage positions, and the system is capable of realizing the inspection method. The method adopting underbridge indirect measurement is easy, feasible, accurate in measurement results and simple and rapid in operation and the inspection system is simple and easy to operate and can be applied to bridge bottom damage inspection.
Owner:GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
Foldable parking stop frame
The invention relates to a foldable parking stop frame, which comprises a fixing plate (1), a stop plate (5) and a regulating plate (8), wherein one end of the stop plate (5) is hinged with one end of the fixing plate (1) through a pin shaft (2), and the other end of the stop plate (5) is hinged with one end of the regulating plate (8) through a hinge pin shaft (6). The invention is characterized in that a groove-shaped plate (10) is respectively arranged at two side edges of the fixing plate (1), a guide groove (12) is horizontally formed on each groove-shaped plate (10), cylindrical pines (9) are fixed at both sides of the other end of the regulating plate (8) correspondingly to the guide grooves (12), and the two cylindrical pins (9) are respectively clamped in the guide grooves (12). The invention has the advantages of simple structure, small occupied space after the foldable parking stop frame is folded, good lateral stability and difficult distortion and deformation, small space can be occupied after the foldable parking stop frame is folded, a slippage stop plate has the antitheft effect, a hand lifting hole is formed on the slippage stop plate, the weight is effectively reduced, at the same time, the foldable parking stop frame can be conveniently held by hand, and the use is very convenient.
Owner:DONGFENG MOTOR CORP HUBEI
Horizontal processing machine
InactiveCN104802021AImprove machining accuracy and machining stabilityLower center of gravityFeeding apparatusLarge fixed membersProcessing accuracyEngineering
The invention discloses a horizontal processing machine. A machine base is provided with a top face and a side face, and a top face frame of the machine base is provided with a main axle base so as to mount a main horizontal processing axle; at least one displacement mechanism drives the main axle base and the main processing axle to perform the displacement movement on at least one horizontal direction; bottom part of a workbench of which top face supports a work piece is provided with a lifting base so as to erect at the side face of the machine base, and a lifting mechanism drives the workbench to perform the displacement movement on a vertical direction; hereby, the main axle base and the main processing axle are directly erected on the top face of the machine base, the workbench is erected at the side face of the machine base and the top face supports the work piece on the vertical direction, so that the overall framework configuration can effectively reduce the cantilever beam effect of a machine table; furthermore, the main axle base and the workbench stably perform the processing feeding displacement on every axial direction, so as to reach the practicable benefit of greatly promoting the processing precision and the stability.
Owner:邱菩宣
Car frame connecting structure
ActiveCN102009698AReduce intensityNo drop in strengthSuperstructure connectionsPassenger vehicle superstructuresStress concentrationVehicle frame
The invention relates to a car frame connecting structure comprising a side window longitudinal beam, an upright column, a stiffening beam, a top cap longitudinal beam and a top cap horizontal beam, wherein the side window longitudinal beam is riveted with the upright column through a medium corner; the side window longitudinal beam is riveted with the lower part of the stiffening beam; the upright column is riveted with the stiffening beam; the upper part of the stiffening beam is riveted with the top cap horizontal beam through a large corner; and the top cap longitudinal beam is riveted with the top cap horizontal beam through the medium corner. The car frame connecting structure is made of aluminium alloys or magnesium alloys. The invention achieves the effect on reducing weight approximate to a half under the conditions of same or similar strength of steels by adopting the car frame connecting structure made of the aluminium alloys or the magnesium alloys, thereby greatly reducing the weight of a car body without reducing the strength; and in addition, the invention has the advantages of reduced manufacturing and operating cost, long service life and more energy saving and environmental protection, prevents the stress concentration caused by adopting a welding mode through riveting connection and has firm connection without generating cracks.
Owner:北京绿程锦绣能源科技有限公司
Tobacco box
The invention provides a tobacco box. The tobacco box comprises an upper box body and a lower box body, the upper box body is provided with a first opening end and a second opening end which are oppositely arranged, the lower box body is provided with a third opening end, and the second opening end and the third opening end are hermetically and fixedly connected to form the tobacco box. The upper box body and the lower box body are molding parts, the tobacco box is 700 cm by 700 cm by 700 to 1300 cm by 1300 cm by 1300 cm and is applicable to the fields of automatic production lines and storage and transport and the like; the tobacco box is manufactured by molding, industrial batch production is easy to realize, production cost can be reduced, and the tobacco box has high functional expansibility.
Owner:青岛冠宇工业设备有限公司 +1
Holographic projection box and imaging method and interaction method thereof
InactiveCN106154697AGood viewing effectGood imaging effectProjectorsCharacter and pattern recognitionLight sourceTablet computer
The invention discloses a holographic projection box and an imaging method and an interaction method thereof. The holographic projection box comprises a box body, an imaging film arranged in the box body, and a support cover plate arranged on the top surface of the box body. An opening used for watching imaging pictures is arranged in one side of the box body. A tablet computer is arranged on the support cover plate, and an opening through which a screen of the tablet computer projects the images is arranged in the support cover plate. The tablet computer provides a light source for the imaging film through the opening. A plurality of background plates are arranged in the box body. The imaging method comprises the steps of: combining the holographic projection box and the tablet computer, imaging the images or video of the tablet computer on the background plates in the box body through the imaging film, and forming a stereo picture. The interaction method comprises the steps of: identifying a card through a scanning function of a preposition pick-up head of the tablet computer, and cooperating with an APP application program to realize the data interaction. According to the invention, the imaging and film-watching effects are good, and the operation is convenient and flexible.
Owner:SHENZHEN ZHONGSHU CREATIVE CULTURE & MEDIA TECH CO LTD
Rolling mill with speed measuring and pressure regulating structure
ActiveCN104275349AGuaranteed tensionPreventing Problems Affecting CoilsMeasuring devicesTension/compression control deviceWork rollHigh probability
The invention relates to a rolling mill with a speed measuring and pressure regulating structure, and aims to solve the problems of high probability of distortion in speed measurement and insufficient tension of the rolling mill existing in the prior art. The rolling mill comprises a working roll set, wherein deflector rolls are symmetrically arranged on the two sides of the working roll set; strip steel penetrates through the working roll set and is arranged on the deflector rolls; a first tension roll and a second tension roll are arranged on the side, towards the working roll set, of each deflector roll side by side from outside to inside; the first tension rolls and the second tension rolls are positioned on the lower part of the strip steel; one end of a rotating shaft of each first tension roll is provided with a section of extension shaft; an encoder is arranged on each extension shaft; a pressure roll is arranged between each first tension roll and the corresponding second tension roll, is pressed on the upper surface of the strip steel and is provided with a tension regulating structure. The rolling mill has the advantages that acquired speed signals are truer and are more unlikely to distort by arranging the encoders on the first tension rolls, and the tension on the strip steel can be kept by arranging the tension regulating mechanisms to prevent the problem of influence on steel coiling by steel lamination due to tension loss.
Owner:杭州富阳立利冷轧有限公司
Device for assembling and pressing wood
InactiveCN101518916AReduce spacingIncrease spacingWood compressionWood veneer joiningEngineeringMechanical engineering
Owner:刘丽阁 +1
Gob-side entry retaining roadside support system and construction method thereof
ActiveCN106677804AAchieve recyclingGood removal effectUnderground chambersTunnel liningSupporting systemGeometric stability
The invention relates to a gob-side entry retaining roadside support system and a construction method thereof. A rhombic steel bar net is arranged on one side of a gob, an air drum cloth is laid on the inner side of the rhombic steel bar net, light aggregate concrete is adopted to perform guniting treatment on the air drum cloth and the rhombic steel bar net, a windtight light aggregate concrete spray layer is formed on the side of the gob, the thickness of the light aggregate concrete spray layer is 200-500 mm, and the other side of the light aggregate concrete spray layer is close to a steel tube concrete pier stud supporting device. A steel tube concrete pier stud is formed by filling an empty steel tube with concrete; through a restraint effect of a steel tube casing, internal concrete is in a three-dimensional stressed state, the geometrical stability of the steel tube wall is enhanced, and the bearing capacity of the steel tube concrete pier stud is improved. According to the gob-side entry retaining roadside support system, a top plate can be supported in high strength, coal mining efficiency is effectively improved, and an operation environment in a roadway is improved; the steel tube concrete pier stud can be recycled through a special thrust device, and the roadway retained cost is reduced.
Owner:SHANDONG JIANZHU UNIV
Plate drilling equipment for rural basic buildings
InactiveCN110421189ANot easy to distortSmooth rotationFeeding apparatusBoring/drilling componentsDrive shaftEngineering
The invention relates to the technical field of auxiliary devices, in particular to plate drilling equipment for rural basic buildings. According to the plate drilling equipment for the rural basic buildings, the drilling positions of a drill bit can be conveniently moved according to the plate drilling needs, so that the use limitation is reduced, and the practicability is improved. The plate drilling equipment for the rural basic buildings comprises an arched cross beam, a bottom plate, two side plates, a motor, a transmission shaft, a drill bit, a sliding rod, a sliding block, a connectingcolumn, a handle, a driving frame, a sleeve spring, a telescopic pipe, a driven threaded column, an annular magnet plate and two connecting frames, wherein rotating grooves are transversely formed inthe left side and the right side of the arched cross beam; ball groups are rotatably fixed in the two rotating grooves; an iron plate is arranged on the driving frame; a positioning ring is fixedly arranged on the right side of the driven threaded column in a sleeving mode; and one ends of the two connecting frames are respectively arranged on the left side and the right side of the bottom end ofthe connecting column, and the other ends of the two connecting frames are respectively connected with the left side and the right side of the motor.
Owner:江苏盐西高新科技园投资有限公司
Wastewater treatment equipment for meat processing
PendingCN109928547AEasy to limitNot easy to distortWaste water treatment from animal processingMultistage water/sewage treatmentDrive shaftWastewater
The invention relates to the technical field of wastewater dosing accessory devices, in particular to wastewater treatment equipment for meat processing. The wastewater treatment equipment comprises two sets of side plates and a working box; a working cavity is formed in the working box, the top end of the working box is provided with a maintenance opening in a communicating mode, and a maintenance cover is mounted at the maintenance opening in a screwed mode; the upper part of the front side of the working box is provided with a feeding inlet in a communicating mode, and a feeding cover is mounted at the feeding inlet in a screwed mode; the bottom end of the working box is provided with an unloading opening in a communicating mode, and an unloading cover is mounted at the unloading opening in a screwed mode; the wastewater treatment equipment further comprises a motor, a transmission shaft, stirring blades, a sliding rod, a sliding block, a connecting column, a handle, a driving frame, a sleeve spring, a retractable pipe and a driven threaded column; rotating grooves are transversely formed in the left side and the right side of the working box correspondingly, and first bearing sets are rotatably fixed into the two sets of rotating grooves correspondingly; the wastewater treatment equipment further comprises an annular magnet plate, and an iron plate is arranged on the driving frame; and a positioning ring fixedly sleeves the right end of the driven threaded column, and the transmission shaft is arranged to be an electric telescopic rod.
Owner:山东贝特尔环保科技有限公司
Current transformer
ActiveCN103219140ANot easy to saturateNot easy to distortTransformersTransformers/inductances coils/windings/connectionsRC time constantWave shape
The invention discloses a current transformer which comprises an iron core, primary winding and secondary winding. At least one air gap arranged along a magnetic field line cutting direction is arranged on the iron core, and the sectional area of the iron core is 0.5cm<2> to 3.5cm<2>. The number of turns of the primary winding is 1 turn to 25 turns, and the sectional area of coils of the primary winding is 0.5mm<2> to 4mm<2>. The number of turns of the secondary winding is 10001 turns to 30000 turns, and the diameter range of the coils of the secondary winding is 0.05mm to 0.3mm. The current transformer has the advantages that when a primary current rises to 20 times to 6o times of a rated current, the current transformer can accurately transform direct current components with decay time constant of 20ms to 200ms, and can truly reflect a nonperiodic decay state, output waveforms of the current transformer are difficult to be saturate and are not distorted, and the trailing phenomenon generated by secondary waveforms after fault removal can be further eliminated.
Owner:NANJING JIANGBEI AUTOMATION TECH
Material guard bar piling equipment used for building construction
The invention relates to piling equipment, in particular to material guard bar piling equipment used for building construction. The material guard bar piling equipment used for building construction is time-saving and labor-saving and piles can be vertically piled into the ground. The material guard bar piling equipment used for building construction includes a supporting plate, wheels, a mountingframe, a guiding plate, fixed pulleys, springs, an iron ball and the like. A storing groove is formed in the middle of the front side of the supporting plate. The wheels are arranged on the left portion and the right portion of the lower side of the supporting plate symmetrically. The middle of the upper side of the supporting plate is provided with the mounting frame. The guiding plate is arranged between the middles of the inner sides of the left wall and the right wall of the mounting frame. A guiding hole is formed in the middle of the guiding plate. According to the material guard bar piling equipment used for building construction, the effects that time-saving and labor-saving are achieved and the timber piles can be vertically piled into the ground are achieved, and the timber piles are not prone to being deflected when being piled into the ground by placing the timber piles into the storing groove and the guiding hole from the bottom to top.
Owner:魏超军
Current pulse circuit embedded with nerve stimulator
ActiveCN102727995AStable current outputEasy to controlArtificial respirationElectrical currentNerve stimulators
The invention discloses a current pulse circuit embedded with a nerve stimulator. The current pulse circuit comprises a microprocessor, a first inductor, a first diode, a second resistor, a fifth resistor, a filter capacitor, a boost-buck DC-DC (direct-current-direct-current) chip, a first circuit output terminal and a second circuit output terminal, wherein the first circuit output terminal is grounded through the second resistor and the fifth resistor; the boost-buck DC-DC chip comprises an error amplifier, a PWM (pulse-width modulation) comparator, a switching tube, an SR trigger and an oscillator; the common terminal of the second resistor and the fifth resistor is connected into the first inverting input terminal of the error amplifier; the non-inverting input and output terminals of the error amplifier are respectively connected with reference voltage and the inverting input terminal of the PWM comparator; the oscillation output of the oscillator is connected with the non-inverting input terminal of the PWM comparator; the oscillator outputs a switching signal to the terminal S of the SR trigger; the output terminal of the PWM comparator is connected with the terminal R of the SR trigger; and the output terminal Q of the SR trigger is connected with the control terminal of the switching tube.
Owner:CHANGZHOU RUISHENAN MEDICAL DEVICES
Express box
PendingCN110053876ANot easy to distortEffective protectionPackage recyclingContainers to prevent mechanical damageEngineeringAirbag deployment
The invention discloses an express box which comprises a box body with an upper opening and an upper cover. A hollow support and an inflatable air bag around the support are movably arranged in the box body, and a channel for the inflatable air bag to expand inwards is formed in the support. The express box has the advantages of good shock absorption and buffering effect, high reliability and reusability.
Owner:覃宏浩
DCDC primary side feedback voltage detection setting circuit and method
PendingCN109980947AAccuracy is not affectedReduce parasitic capacitanceDc-dc conversionTransformers testingAnti jammingReference current
The invention provides a DCDC primary side feedback voltage detection setting circuit. The circuit comprises a voltage stabilization reference current generation circuit, a sampling current generationcircuit, a matched resistance pair, a duty ratio modulation circuit and a power switch NMO. The invention further provides a DCDC primary side feedback voltage detection setting method. According tothe circuit and the method, the problems of high no-load and bad anti-jamming capability caused by stray capacitance are avoided, and the problem of influencing the output voltage precision of switchpower supplies does not exist.
Owner:苏州源特半导体科技有限公司
Dimming control circuit and control method thereof
The invention discloses a dimming control circuit and a control method thereof, and the dimming control circuit comprises: an excitation conversion circuit which generates an excitation signal; an isolation circuit which comprises a primary side winding and a secondary side winding, wherein the primary side winding of the isolation circuit is connected with the excitation conversion circuit, receives the excitation signal and transmits the excitation signal to the secondary side winding of the isolation circuit; and a rectifying circuit, wherein the input end of the rectifying circuit is connected with the secondary winding of the isolating circuit, the output end of the rectifying circuit is connected with the dimmer, and the excitation conversion circuit comprises an excitation module, the excitation module comprises a power supply voltage and a first current source, a first end of a primary winding of the isolation circuit receives the power supply voltage, and the first current source is connected between a second end of the primary winding of the isolation circuit and a first grounding end to generate an excitation signal. The constant current source is adopted to generate theexcitation signal, power can be stably supplied to the dimmer, and the circuit is simple in structure and low in cost.
Owner:HANGZHOU SILAN MICROELECTRONICS
Method and system for measuring tire
InactiveCN105719286ANot easy to distortSolve can not give tire movementImage enhancementImage analysisSteering wheel
The invention provides a method and a system for measuring a tire. The method comprises steps of by detecting positions of a target installed on a tire of an automobile, once the position of the target on the tire of the automobile is in a shooting region, acquiring a moving image of the tire; judging feature points of the image, carrying out further analysis according to the feature points of the image and turning to measure the angle of the tire of the automobile, thereby achieving effects that angle measurement can be carried out on the tire of the automobile with no need for stopping operation of forward and backward pushing of the automobile or left and right turning of a steering wheel during a moving process of the automobile; and then, during the measuring process of the tire, requiring images without a stop, extracting feature points for analysis so that obtained data is not liable to distort, and carrying out all-directional measurement on movement and all angles of the tire of the automobile.
Owner:深圳市三杰宜科技有限公司
Ground heater device
InactiveCN101055100ATemperature balanceAvoid crackingLighting and heating apparatusHot-water central heatingEngineeringThermal efficiency
The invention relates to a geothermal equipment which comprises upper heating layer, lower heating layer, heating groove, heat conductive rod and heat conductive pipe. The heat conductive pipe is tiled in the heating groove of the heating layer, and the heat conductive rod is extruded by the heating pipe and under the same and is disposed between two heating layers. Woodiness floor or ceramic tile floor are paved on the upper heating layer as the equipment is used. The invention has simple structure, and can heat floor uniformly thereby increasing thermal efficient and saving energy.
Owner:李书新
ABS composition and preparation method thereof
InactiveCN109517327AImprove adsorption capacityLarge specific surface areaElastomerIn situ polymerization
The invention relates to an ABS composition and a preparation method thereof. The ABS composition is prepared from the following raw materials in parts by weight: 98-102 parts of ABS resin, 5-50 partsof mesoporous masterbatch, 10-30 parts of a flame retardant, 1-10 parts of a flexibilizer and 0.1-2 parts of a processing aid. The mesoporous masterbatch is prepared from 50-99 parts of a vinyl aromatic hydrocarbon monomer, 1-50 parts of an unsaturated nitrile monomer, 1-40 parts of a solvent, 1-30 parts of a grafted elastomer, 0.001-0.1 part of an initiator, 0.01-0.08 part of a chain transfer agent and 5-20 parts of a mesoporous material through in-situ polymerization. The ABS composition has good flame retardance and mechanical properties.
Owner:GUANGDONG ALDEX NEW MATERIAL CO LTD
Combined mounting bracket
InactiveCN105151172AOptimize the overall designGood integrity and consistencyAcoustic signalPropulsion coolingVehicle frameLoudspeaker
The invention discloses a combined mounting bracket. The combined mounting bracket comprises a connecting part, a heat radiator mounting part and a loudspeaker mounting part, wherein the connecting part is connected with a frame of the motorcycle; the heat radiator mounting part is used for mounting a heat radiator; the loudspeaker mounting part is used for mounting a loudspeaker; the heat radiator mounting part is a mounting block; a heat radiator mounting hole for mounting the heat radiator is formed in the mounting block; the connecting part is at least one connecting support lug arranged on the mounting block; a frame mounting hole used for mounting the combined mounting bracket on the frame of the motorcycle is formed in the connecting support lug; one end of the connecting support lug is arranged on the front surface of the mounting block; the other end of the connecting support lug extends to a direction far away from the front surface of the mounting block; the loudspeaker mounting part is formed by bending one side end of the mounting block; and a loudspeaker mounting hole used for mounting the loudspeaker is formed in the mounting part. The combined mounting bracket disclosed by the invention can be used for simultaneously mounting both the heat radiator and the loudspeaker.
Owner:力帆科技(集团)股份有限公司
LED interviewing lamp
InactiveCN101067477ABrightness adjustableBrightness observationBatteries circuit arrangementsPoint-like light sourceElectricityUniversal joint
The invention discloses a LED cover lamp with low electricity use, low temperature and convenience use. The invention includes the cover lamp and the hot shoe connector. The cover lamp includes the LED lamp, the LED integrated mounting card, the compress ring, the lamp shell, the inner charged battery, the controlling circuit board and the connecting seat. Many LED lamps are arrayed on the LED integrated mounting board which is also installed in the front of the lamp shell by the compress ring; the connecting seat is set on the back of the lamp shell; the connecting rod is connected with the connecting seat and the hot shoe connector by the universal joint. The invention can be connected to the camera or vidicon by the hot shoe connector; also it can be used by the connecting rod using hand.
Owner:珠海市聚网智能科技有限公司
Asymmetric half-bridge flyback drive circuit
PendingCN107276374AImprove consistencyEasy to set upEfficient power electronics conversionDc-dc conversionTransformerEngineering
The invention discloses an asymmetric half-bridge flyback drive circuit, and the circuit comprises a complementary PWM generator, two drive transformers, and a series asymmetric flyback circuit. The separation of the drive transformers enables on / off switching tubes of the circuit to be respectively controlled, thereby improving the quality of a drive signal, and reducing the false triggering caused by the level changes. The dead zone time between the switching tubes is mainly controlled by a complementary signal because of the separated winding, thereby enabling the impact on the dead zone from the drive transformers to be the minimum. In a wide-range and high-input-voltage switching power application, the circuit, compared with the prior art, enables the reliability of a product to be improved.
Owner:MORNSUN GUANGZHOU SCI & TECH
Device for assembling and pressing wood
InactiveCN101518916BImprove adaptabilityWide range of widthWood compressionWood veneer joiningEngineeringMechanical engineering
Owner:刘丽阁 +1
Casement window fixing hinge
Owner:LIP HING YEUNG S IND (SHENZHEN) CO LTD
Power distribution network line vectorization method and device based on neural network
ActiveCN111598123AImprove stabilityNot easy to distortData processing applicationsCharacter and pattern recognitionFeature vectorAlgorithm
The invention discloses a power distribution network line vectorization method and device based on a neural network, and the method comprises the steps: building a graph model based on the connectionrelation between a transmission line of a power distribution network and electrical equipment; based on the graph model, obtaining an injection feature vector, a line adjacency matrix and an injectionadjacency matrix respectively corresponding to a target transmission line; based on a neural network, performing feature embedding on the injection feature vector and the injection adjacency matrix at nodes of the graph model to obtain a first line feature vector of the target transmission line, wherein the first line feature vector comprises a connection relationship between the target transmission line and the injection; and updating the first line feature vector based on the line adjacency matrix to obtain a second line feature vector of the target transmission line. According to the invention, the feature information of the power distribution network can be accurately represented, so that the data analysis or fault prediction result of the power distribution network is improved.
Owner:EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH +1
Culture device for rice seedlings
ActiveCN108029544AGood for controlling the growing environmentBalanced nutritionAgriculture gas emission reductionCultivating equipmentsAdditive ingredientPaddy field
The invention discloses a culture device for rice seedlings, and relates to the technical field of rice culture devices. The device comprises a culture tank and a culture plate, wherein a limiting ring is arranged on the upper surface of the culture tank; a plurality of first through holes are formed in one surface of the culture tank; circular holes are formed in the circumferential side surfaceof the culture tank in a circular array mode; a plurality of cylinders are arranged on the inner surface of the culture tank, and a round sheet is fixed to the other surface of each cylinder; the peripheral side surface of the culture tank is in sliding fit with third through holes of the culture plate; the third through holes are formed in one surface of the culture plate in a rectangular array mode; a plurality of supports are fixed to one surface of the culture plate, and a plurality of limiting plates are fixed to one surface of the culture plate; the peripheral side surface of the cultureplate is in sliding fit with the inner surface of a box body; limiting holes are matched with second limiting holes of the box body through clamping pins. By means of the effects of the culture tank,the culture plate and the box body, the culture device has the advantages of being more balanced in nutritional ingredient and beneficial to controlling the growth environment of the rice seedlings,and the problems that nutrients of the soil may be not uniform and the growth environment of the rice seedlings in a paddy field is not easy to control are solved.
Owner:安徽国豪农业科技有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com