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41 results about "Exposed point" patented technology
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In mathematics, an exposed point of a convex set C is a point x∈C at which some continuous linear functional attains its strict maximum over C. Such a functional is then said to expose x. Note that there can be many exposing functionals for x. The set of exposed points of C is usually denoted exp(C). A stronger notion is that of strongly exposed point of C which is an exposed point x∈C such that some exposing functional f of x attains its strong maximum over C at x, i.e. for each sequence (xₙ)⊂C we have the following implication: f(xₙ)→maxf(C)⟹|xₙ-x|→0.
Integrated filter connector
InactiveUS7393245B2Eliminate connectionReducing the potential for RF ingressElectrically conductive connectionsTwo pole connectionsCoaxial cableExposed point
Owner:PPC BROADBAND INC
Method for determining attitude of rock mass structural plane based on measurement coordinates
The invention provides a method for determining the attitude of a rock mass structural plane based on measurement coordinates, which belongs to the technical field of design and construction of the constructional engineering infrastructures and aims at solving the frequent problems that tools such as a geological compass are incapable of directly measuring the attitude of the geological structural planes on site in engineering application. The method for determining the attitude of the rock mass structural plane based on measurement coordinates comprises the following steps: a. selecting a plurality of exposed points on the rock mass structural plane, and measuring the three-dimensional coordinate values of the exposed points, wherein at least three exposed points which are non-collinear are selected; b. orderly performing three-point combination on the measured exposed points according to a space order to form a plurality of planes; c. calculating the normal, the tendency and the dip angles of all the three-point planes; d. determining the attitude of the rock mass structural plane by use of the normal, the tendency and the dip angles of all the three-point planes. The method for determining the attitude of the rock mass structural plane based on the measurement coordinates is applicable to the measurement of the attitudes of the structural planes.
Owner:POWERCHINA CHENGDU ENG
Integrated filter connector
ActiveUS7278887B1Eliminate connectionReducing the potential for RF ingressTwo pole connectionsCoupling for high frequencyExposed pointCoaxial cable
An integrated filter connector apparatus that performs the functions of a coaxial cable connector component combined with the functions of an in-line signal conditioning component. The apparatus eliminates at least one exposed point of connection between a separate coaxial cable connector component and an in-line signal conditioning component. Elimination of such a point of connection likely reduces RF ingress into a signal path and likely reduces interference with a signal traveling through the signal path. Embodiments of the connector apparatus provide various types of connector interfaces.
Owner:PPC BROADBAND INC
Ellipse expanding and imaging method and device for seismic data processing under true earth surface condition
ActiveCN101900831AThe results are objective and trueZero offset time profile is goodSeismic signal processingOffset distanceExposed point
The invention discloses ellipse expanding and imaging method and device for seismic data processing under a true earth surface condition, belonging to the technical field of reflected seismic data processing in seismic prospecting. The method comprises the following steps of: calculating to obtain the position coordinates of an exposed point of the normal of the reflection point on a shot detection line according to the position coordinates of a shot point, the position coordinates of a wave detection point and the position coordinates of a reflection point; calculating to obtain the position coordinates of an imaging position point according to a preset datum plane and the normal equation of the reflection point; calculating to obtain a time correcting value between the exposed point and the imaging position point according to the position coordinates of the exposed point and the position coordinates of the imaging position point, or the position coordinates of the reflection point, the position coordinates of the imaging position point and the normal two-way travel time between the reflection point and the exposed point; and carrying out ellipse expanding and tangential interference superposition to obtain a time section with a zero offset distance according to the time correcting value between the exposed point and the imaging position point. The invention solves the problem of imaging with complicated earth surfaces and complicated structures.
Owner:恒泰艾普集团股份有限公司
Method for preventing oil from bleeding from solder resist ink plug hole
ActiveCN103079362AAvoid oilyImprove qualityNon-metallic protective coating applicationPrinted element electric connection formationResistExposed point
The invention discloses a method for preventing oil from bleeding from a solder resist ink plug hole. The method comprises the following steps of: manufacturing single-surface and double-side windowing via hole plugging aluminum sheets and non-windowing plug hole aluminum sheets; plugging single-surface and double-side windowing via holes of a PCB (Printed Circuit Board); when the single-surface windowing via hole is plugged, displaying exposed point films on one surface where the windowing via holes are not windowed; and then plugging non-windowing via holes. According to the method disclosed by the invention, solder resist ink is printed after the plugging is carried out in graded times, so that the problem of oil bleeding in the plugging process of single-side windowing, double-side windowing and non-windowing PCB is effectively solved; and the quality and service performance of products are improved.
Owner:星河电路(福建)有限公司 +1
Ceramic membrane condensation treatment recycling method for smoke waste heat and water of power plant
ActiveCN104014243AEfficient use ofSimple processUltrafiltrationVapor condensationRecovery methodExposed point
The invention relates to a ceramic membrane condensation treatment recycling method for smoke waste heat and water of a power plant. The method comprises the following steps: treating smoke with a great amount of vapor in the power plant through a ceramic membrane separation device, recycling vapor and heat of the vapor permeating a membrane through a membrane condensation technology, bringing out recycled water through circulating water on the permeation side, and heating the circulating water on the permeation side by recycled heat; and discharging gas, which does not permeate the membrane, into the atmosphere, wherein the ceramic membrane in the ceramic membrane separation device is a hydrophilic ceramic nano filter membrane. By the ceramic membrane condensation treatment recycling method, the process flow is simplified, and the problem of corrosion of exposed points can be avoided; the energy recycling rate can reach 18 percent, the water recycling rate also reaches 12 percent, and a water resource is effectively utilized.
Owner:NANJING UNIV OF TECH
Supercapacitor-based X-ray machine power supply device
The invention relates to a supercapacitor-based X-ray machine power supply device, belonging to the technical field of medical apparatuses. The supercapacitor-based X-ray machine power supply device is characterized in that a grid is divided into two paths, one path is connected with a charger 2 to charge a supercapacitor group 1 and provide power for a main inverter power supply, the other path is directly connected with a rectification filter circuit 3 to supply power for the main inverter power supply, and one of the two paths is selected by a control circuit 5 and a switch circuit 4 to supply power. When an X-ray machine exposes point sheet or shoots sheets in the large amount, the supercapacitor group is selected to supply power for the main inverter power supply. The supercapacitor-based X-ray machine power supply device disclosed by the invention has the advantages of simple and reliable control method, convenience for operating, high efficiency, low production hardness and low cost.
Owner:NANJING PERLOVE RADIAL VIDEO EQUIP
Anticorrosion smoke waste heat recycling device of heat pipe structure
ActiveCN103216805ASolving Corrosion ProblemsRealize the purpose of energy saving and efficiency increaseIndirect heat exchangersSteam generation using hot heat carriersExposed pointProcess engineering
The invention discloses an anticorrosion smoke waste heat recycling device of a heat pipe structure, which relates to the heat pipe technology. The anticorrosion smoke waste heat recycling device consists of a primary vapor generator, a secondary vapor generator, a vapor collection bag, an ascending pipe and a descending pipe, and is used for producing saturated vapor; and the heat exchanging pipe of the primary vapor generator is of a bushing structure, and a plurality of bushing-type heat exchanging pipes form a heat pipe bundle. Supercooling water in the bushing-type inner pipe of the primary vapor generator exchanges heat with a wall with higher temperature, so that the heat conduction is reinforced, the system structure is more compact, and the weight is reduced. The anticorrosion smoke waste heat recycling device overcomes the defects of the traditional heat pipe heat exchanger adopting an unthreaded pipe that the specific area is small and the filling quantity of the working medium is large; and the temperature of the wall of a heat pipe is higher than the acid exposed point of the smoke waste heat fluid, so that the corrosion potential danger is eliminated. The anticorrosion smoke waste heat recycling device can be used for a waste heat recycling system with larger smoke quantity and the temperature of about 270 DEG C, can be typically used for recovering the waste heat of sulfur-contained smoke in the coking area and can realize the energy conservation and synergism.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Preparation method for noble metal modified titanium anode materials
InactiveCN102505127AReduce consumptionImprove activation etching efficiencyLiquid/solution decomposition chemical coatingElectrodesOrganic solventExposed point
The invention relates to a preparation method for noble metal modified titanium anode materials, belonging to the technical field of high-performance electrode materials. The preparation method for noble metal modified titanium anode materials comprises the following steps of: taking noble metal organic complex as a precursor; atomizing the precursor into atomizing flow after being dissolved in organic solvent; depositing the precursor on the surface of a titanium sheet; thermally decomposing and cooling under the existence of inertia gas; repeating three continuous steps of depositing, thermally decomposing and cooling for at least once; and carrying out aftertreatment, so as to obtain the noble metal modified titanium anode materials. The titanium anode prepared by the method has high yield and less surface exposed point; the noble metal and pure titanium base material have high binding force; and the whole coating has better homogeneity and uniformity. Experiments show that the titanium anode prepared by the method has better electrochemical performance and long service life.
Owner:文广 +4
Pressing plate and insulator adaptive anti-thunder device
Owner:STATE GRID CORP OF CHINA +1
Pipeline positioning device and method
The invention discloses a pipeline positioning device and a pipeline positioning method. The pipeline positioning device comprises a host, a sound signal generating device and a pickup device; the sound signal generating device is installed at the exposed point where a pipeline is exposed to the ground and is used for making the pipeline produce a sound signal; the pickup device is connected withthe host; and the pickup device is used for acquiring the sound signal produced by the pipeline on the ground, and transmitting the sound signal to the host. According to the pipeline positioning device, the sound signal is produced by the pipeline to be positioned through the sound signal generating device; the sound signal produced by the pipeline is acquired by the pickup device; the sound signal is transmitted to the host; the sound signal is analyzed and processed through the host; the frequency spectrum and the numerical value of the sound signal are displayed; and the pipeline is positioned by comparing the frequency spectrums and the numerical values of the sound signals at different detecting points. According to the pipeline positioning device, the pipeline is accurately positioned on the ground.
Owner:湖南普奇地质勘探设备研究院(普通合伙)
Metal pipeline detecting system and method based on time-domain electromagnetic method
PendingCN108363106AStrong responseHigh measurement accuracyElectric/magnetic detectionAcoustic wave reradiationExposed pointProximal point
The invention discloses a metal pipeline detecting system based on a time-domain electromagnetic method. The metal pipeline detecting system has a proximal connecting point, a distal connecting point,a transmitter, a transmitting connecting line, a measuring machine and a receiving device. The system has a rectangular detecting area of which the short side is perpendicular to the approximate direction of a target pipeline, and of which the long side is parallel to the approximate direction of the target pipeline. The proximal connecting point is located at an exposed point of the target pipeline and corresponds to a vertex of the rectangular detecting area. The distal connecting point is located at a vertex of the rectangular detecting area adjacent to the proximal connecting point. The transmitting connecting line is disposed on the side of the detecting area. The receiving device is connected to the measuring machine through a mounting frame. The measuring machine and the transmitter are timed and set parameters before detection. The system has the advantages that the to-be-detected section of the target pipeline is directly put in the transmission loop in order to guarantee that an excitation field source is applied to the target pipeline to the utmost extent, a response signal is stronger and the side electromagnetic interference can be reduced, and the to-be-detected pipeline can be precisely positioned, orientated and continuously tracked.
Owner:安徽晟北辰地质勘测设计有限公司
Wool, cotton and cotton polyester interweaving weft knitting double-faced pile fabric and manufacturing method thereof
The invention relates to a wool, cotton and cotton polyester interweaving weft knitting double-faced pile fabric. According to the fabric, pure-cotton silvalin is adopted as looped pile inner yarn, wool is adopted as middle connection yarn, cotton polyester silvalin is adopted as surface layer yarn, the pure-cotton silvalin, the wool and the cotton polyester silvalin are woven on a single-face circular weft knitting fleece machine to form a stitched looped pile fabric, in the weaving process, the wool middle connection yarn generates wool exposed points on the outer surface of the cotton polyester fiber surface layer, and the wool exposed points account for 30-33% of the area of the cotton polyester fiber surface layer; the looped pile inner yarn is napped, the wool exposed points are sanded to obtain the weft knitting double-faced pile fabric with the pure-cotton gigging inner layer, the wool connection layer, the cotton polyester surface layer and the wool felt layer, wherein the pure-cotton silvalin accounts for 52-57%, the wool accounts for 7-22% and the cotton polyester silvalin accounts for 22-27%. The fabric has the advantages of being fine in suede, high in wool touch, soft and full in hand touch, good in heat retention property, good in breathability, good in mold holding nature, capable of resisting static electricity and low in price.
Owner:ANSHAN SHUNFENG TECH CO LTD
Electrophoretic coating technology of neodymium iron boron products
InactiveCN105624766AImprove flatnessAverage thicknessElectrophoretic coatingsExposed pointElectrophoresis
The invention discloses an electrophoretic coating technology of neodymium iron boron products. The electrophoretic coating technology of the neodymium iron boron products comprises the following steps that firstly, the neodymium iron boron products are soaked in a pre-dip solution; and then, the neodymium iron boron products obtained after pre-dipping are subject to electrophoretic coating. According to the electrophoretic coating technology of the neodymium iron boron products, before the products enter an electrophoresis tank, the products are soaked in the prepared pre-dip solution firstly, then, electrophoretic operation is carried out, a paint film bonding force of an electrophoretic coating is high, flatness is good, the number of exposed points is small, the thickness of the coating is uniform, and the electrophoretic first-pass yield is greatly improved.
Owner:SINO MAGNETICS TECH
Circuit board
InactiveCN103857182APoor contactImprove reliabilityPrinted circuit assemblingFinal product manufactureExposed pointEngineering
Owner:SAMSUNG DISPLAY CO LTD
Transanal endoscopic surgery device
InactiveCN103565482ASolve space problemsSolve the problem of poor surgical field exposureSurgeryDilatorsExposed pointTransanal surgery
A transanal endoscopic surgery device comprises a rectum expander and an endoscopic surgery platform. The rectum expander and the endoscopic surgery platform are connected through elastic joints. The rectum expander is composed of an upper ring, spokes, a lower ring and side protrusions. The endoscopic surgery platform is composed of an operation panel and the elastic joints. The operation panel of the endoscopic surgery platform is provided with an instrument channel ring and an auxiliary operation window, wherein an endoscopic surgery instrument enters and exits through the instrument channel ring. According to the transanal endoscopic surgery device, the rectum expander can meet the requirements of the rectum anal tube anatomy mechanics, the shortages that existing rectum anal tube transanal surgery is small in surgery space, poor in surgery sight exposed point and prone to falling off are overcome, operation of the rectum anal tube transanal surgery is simplified, the endoscope technology and surgery attraction are combined, and therefore the endoscopic surgery device is easy to popularize and apply.
Owner:THE PEOPLES HOSPITAL OF GUANGXI ZHUANG AUTONOMOUS REGION
Bus integrated assembly for low-voltage power distribution cabinet
InactiveCN106329324AImprove securityImprove cooling effectBus-bar/wiring layoutsCooling bus-bar installationsExposed pointBusbar
The invention provides a bus integrated assembly for a low-voltage power distribution cabinet. The bus integrated assembly comprises multiple bus integrated unit assemblies which are integrated together, wherein each bus integrated unit assembly comprises a substrate; a left convex edge and a right convex edge are arranged on the left and right sides of the front surface of the substrate; multiple alternate insulating strips parallel to the convex edges are arranged between the two convex edges; accommodating grooves are formed between the alternate insulating strips and the convex edges, and between adjacent alternate insulating strips; branch bars are arranged in the accommodating grooves; the lower ends of the branch bars extend out of the substrate for a fixed distance to form wiring ends; for main busbars perpendicular to the branch bars are arranged on the back surface of the substrate; the four main busbars are mutually isolated through insulating lug bosses; the upper ends of the branch bars are connected with the corresponding main busbars through fixed bolts; and an expansion connecting mechanism is arranged on the two convex edges. According to the bus integrated assembly, a branch bus and a circuit breaker are connected by screws, and a connecting point is visible; and the bus has no any exposure point, so that the bus integrated assembly is extremely high in safety and can be optionally combined into a unit.
Owner:浙江央可智控科技股份有限公司
Automatically rebounding split head
An automatically rebounding split head is used for supporting an upper-layer reinforcement net piece in a concrete board on a lower-layer reinforcement net piece. The split head comprises a first supporting arm and a second supporting arm, the first supporting arm and the second supporting arm respectively comprise opposite first end and second end; the first end of the first supporting arm is mutually connected with the first end of the second supporting arm, so as to form a clamping slot; the second end of the first supporting arm is provided with a first supporting foot, the second end of the second supporting arm is provided with a second supporting foot, an included angle between the first supporting foot and the first supporting arm and an included angle between the second supporting foot and the second supporting arm are 20-45 degrees, and the first supporting foot and the second supporting foot are propped against the lower-layer reinforcement net piece, so that the first supporting arm and the second supporting arm support a second reinforcement. The automatically rebounding split head can safely and stably support the upper-layer reinforcement net piece in the concrete board, and after the split head is trodden down in a concrete pouring process, the split head can further automatically rebound; no exposed point exists in the subsequent concrete pouring process.
Owner:ANHUI WATER RESOURCES DEV
Direct-buried gate valve
InactiveCN101338833ASmall shapeReduce the possibility of being corrodedPressure relieving devices on sealing facesSlide valveExposed pointDistribution system
The present invention provides a direct buried gate valve, which comprises a valve body and a valve cover that are connected with each other; wherein, the valve body is provided with valve body ports; the valve cover is provided with a counterbore; a fastener is arranged in the counterbore and connects the valve body with the valve cover. The head of the fastener is lower than the outer surface of the valve cover and is hidden in the counterbore of the valve cover; a discharge pipe is fixed on the outside of each valve body port. The direct buried gate valve is widely applicable to fuel gas distribution systems, the valve body and the valve cover adopt an integrated connecting structure, the bolt is hidden in the integrated connecting structure, thereby, not only the shape of the valve becomes smaller, but also the number of exposed points is reduced, and moreover, the fastener cannot be easily eroded after the valve is directly buried. Meanwhile, since the two firm discharge pipes are arranged on the valve body to replace the pipeline discharge function, the technical problem of the unreliability of the arrangement of the discharge pipes on a pipeline is effectively resolved.
Owner:SUZHOU GAS EQUIP & VALVES MFG
Thermal type gas mass-flow meter internally provided with rectifier
The invention provides a thermal type gas mass-flow meter internally provided with a rectifier. The thermal type gas mass-flow meter comprises a flow meter pipeline, a flow measuring part and the rectifier. The thermal type gas mass-flow meter is characterized in that the rectifier is arranged in the front end of the flow meter pipeline, the flow meter pipeline and the rectifier are connected into a whole, and the distance between the rectifier and the flow measuring part is 3-5 times of the diameter of the flow meter pipeline. The thermal type gas mass-flow meter has the advantages that the thermal type gas mass-flow meter is directly installed, and the influence of a straight pipe section of the flow meter pipeline on the flow meter does not need to be considered; the rectifier and the flow meter pipeline are designed in an integrated mode, exposed points of the pipeline are effectively reduced, labor cost is reduced, installation time is saved, and high cost performance is achieved.
Owner:CHANGZHOU CHENTONG TELECOMM EQUIP FACTORY
A ceramic membrane condensation treatment and recovery method for waste heat and water of flue gas in power plant
ActiveCN104014243BEfficient use ofSimple processUltrafiltrationVapor condensationRecovery methodExposed point
The invention relates to a ceramic membrane condensation treatment recycling method for smoke waste heat and water of a power plant. The method comprises the following steps: treating smoke with a great amount of vapor in the power plant through a ceramic membrane separation device, recycling vapor and heat of the vapor permeating a membrane through a membrane condensation technology, bringing out recycled water through circulating water on the permeation side, and heating the circulating water on the permeation side by recycled heat; and discharging gas, which does not permeate the membrane, into the atmosphere, wherein the ceramic membrane in the ceramic membrane separation device is a hydrophilic ceramic nano filter membrane. By the ceramic membrane condensation treatment recycling method, the process flow is simplified, and the problem of corrosion of exposed points can be avoided; the energy recycling rate can reach 18 percent, the water recycling rate also reaches 12 percent, and a water resource is effectively utilized.
Owner:NANJING TECH UNIV
Method and device for expansion imaging of parameters under virtual terrain surface conditions in seismic data processing
The invention discloses a method and device for expansion imaging of parameters under virtual terrain surface conditions in seismic data processing, which belongs to the technical field of reflection seismic data processing in seismic exploration. The method comprises the following steps: obtaining an included angle formed by an upgoing wave and a downgoing wave according to the coordinates of a shot point, a demodulator probe and a reflecting point; obtaining the coordinates of the exposed point of a normal line according to the included angle formed by the upgoing wave and the downgoing wave, the downgoing wave and the upgoing wave based on the conversion of a bipolar cylindrical coordinate system; calculating imaging distance and time correction according to the coordinate of the shot point, the coordinate of the exposed point, the coordinate of the reflecting point and the speed of the seismic wave at the reflecting point; calculating imaging time according to the imaging distance, the time correction, the distance between the reflecting point and the demodulator probe and the distance between the shot point and the demodulator probe; and obtaining an underground image according to the imaging distance and the imaging time through the imaging method based on the horizontal terrain surface. The invention can improve the accuracy for obtaining the underground image of the virtual terrain surface.
Owner:恒泰艾普集团股份有限公司
Pressure plate insulator adapted lightning protection equipment
The invention relates to a pressing plate and insulator adaptive anti-thunder device. The pressing plate and insulator adaptive anti-thunder device comprises an insulator. The top end of the insulator is provided with a puncturing pressing plate, and one side of the puncturing pressing plate is provided with a metal connecting plate. The two ends of the metal connecting plate are provided with holes. One side of the metal connecting plate presses the puncturing pressing plate through a hole, and the other side of the metal connecting plate is provided with a conductive bolt. The lower end of the insulator is fixedly provided with a three-hole metal connecting plate. The far end of the three-hole metal connecting plate is provided with an insulation connecting plate, and the metal part in the middle of the insulation connecting plate is pressed by a fuse wire. The other end of the fuse wire presses the metal part in the middle of the three-hole metal connecting plate. The puncturing pressing plate is internally provided with a puncturing part, the angle between the three-hole metal connecting plate and the insulation connecting plate is 60 degrees, and the angle between the conductive bolt and the insulation connecting plate ranges from 15 degrees to 30 degrees. According to the pressing plate insulator adaptive anti-thunder device, the anti-thunder capability of an insulation wire is improved, the number of exposed points on a circuit is reduced, the stability of power grid operation is improved, and a new insulation anti-thunder element is achieved through the design improvement.
Owner:STATE GRID CORP OF CHINA +1
Wool, cotton and cotton-polyester interwoven weft-knitted double-faced fleece fabric and manufacturing method
The invention relates to a wool, cotton and cotton polyester interweaving weft knitting double-faced pile fabric. According to the fabric, pure-cotton silvalin is adopted as looped pile inner yarn, wool is adopted as middle connection yarn, cotton polyester silvalin is adopted as surface layer yarn, the pure-cotton silvalin, the wool and the cotton polyester silvalin are woven on a single-face circular weft knitting fleece machine to form a stitched looped pile fabric, in the weaving process, the wool middle connection yarn generates wool exposed points on the outer surface of the cotton polyester fiber surface layer, and the wool exposed points account for 30-33% of the area of the cotton polyester fiber surface layer; the looped pile inner yarn is napped, the wool exposed points are sanded to obtain the weft knitting double-faced pile fabric with the pure-cotton gigging inner layer, the wool connection layer, the cotton polyester surface layer and the wool felt layer, wherein the pure-cotton silvalin accounts for 52-57%, the wool accounts for 7-22% and the cotton polyester silvalin accounts for 22-27%. The fabric has the advantages of being fine in suede, high in wool touch, soft and full in hand touch, good in heat retention property, good in breathability, good in mold holding nature, capable of resisting static electricity and low in price.
Owner:ANSHAN SHUNFENG TECH CO LTD
Intelligent and highly efficient heating system of exposed points of natural gas pressure regulating station
InactiveCN107368120AImprove work efficiencyRealize replacement and maintenanceTemperatue controlExposed pointEngineering
The invention discloses an intelligent and highly efficient heating system of exposed points of a natural gas pressure regulating station. The system comprises at least two heating heat sources, a natural gas transmission pipeline, a temperature adjusting air circulation pump, a temperature adjusting air circulation pipeline, an air booster pump, an air eddy current pipe and a control circuit. The heating heat sources are divided into at least two work groups. Two ends of each heating heat source in the corresponding work group communicate with the natural gas transmission pipeline through current collection pipes. The temperature adjusting air circulation pipeline communicates with each heating heat source through the temperature adjusting air circulation pump. The air inlet end of the air eddy current pipe communicates with the air booster pump, and the high temperature air inlet end and the low-temperature air outlet end communicate with each heating heat source through a current guide branch pipe. The air inlet end of the air booster pump communicates with the temperature adjusting air circulation pipeline. The system is simple in structure, highly universal and expandable, and high in heat exchange efficiency and comprehensive recycling rate of rest heat; the change and adjustment flexibility of devices are high; and stability and reliability of operation of heating devices are high.
Owner:四川凯德源科技有限公司
Composite plate
Owner:HUAQIAN ZHUBANG CONSTR CO LTD
Wet process forming method of filter in laminated medium
Owner:SHENZHEN ZHENHUA FU ELECTRONICS
Method for preventing oil from bleeding from solder resist ink plug hole
ActiveCN103079362BAvoid oilyImprove qualityNon-metallic protective coating applicationPrinted element electric connection formationResistExposed point
The invention discloses a method for preventing oil from bleeding from a solder resist ink plug hole. The method comprises the following steps of: manufacturing single-surface and double-side windowing via hole plugging aluminum sheets and non-windowing plug hole aluminum sheets; plugging single-surface and double-side windowing via holes of a PCB (Printed Circuit Board); when the single-surface windowing via hole is plugged, displaying exposed point films on one surface where the windowing via holes are not windowed; and then plugging non-windowing via holes. According to the method disclosed by the invention, solder resist ink is printed after the plugging is carried out in graded times, so that the problem of oil bleeding in the plugging process of single-side windowing, double-side windowing and non-windowing PCB is effectively solved; and the quality and service performance of products are improved.
Owner:星河电路(福建)有限公司 +1
Wire clamp mechanism
ActiveCN107123523BRealize the packageAchieve wrappingTransformers/inductances coils/windings/connectionsExposed pointTransformer
The invention provides a wire clamp mechanism, which comprises a wire clamp body, wherein the wire clamp body is provided with an accommodating cavity for accommodating a wire body; the wire clamp body comprises a first wire clamp body and a second wire clamp body for enclosing the accommodating cavity; and the first wire clamp body is adjustably arranged relative to the position of the second wire clamp body to open or close the accommodating cavity, thereby coating the wire body with the wire clamp body. According to the wire clamp mechanism, the problem of relatively low reliability of a mode of wrapping an exposed point of a bus of a transformer with a wire sheath of an insulated wire in the prior art is solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +1
Method and device for expansion imaging of parameters under virtual terrain surface conditions in seismic data processing
The invention discloses a method and device for expansion imaging of parameters under virtual terrain surface conditions in seismic data processing, which belongs to the technical field of reflection seismic data processing in seismic exploration. The method comprises the following steps: obtaining an included angle formed by an upgoing wave and a downgoing wave according to the coordinates of a shot point, a demodulator probe and a reflecting point; obtaining the coordinates of the exposed point of a normal line according to the included angle formed by the upgoing wave and the downgoing wave, the downgoing wave and the upgoing wave based on the conversion of a bipolar cylindrical coordinate system; calculating imaging distance and time correction according to the coordinate of the shot point, the coordinate of the exposed point, the coordinate of the reflecting point and the speed of the seismic wave at the reflecting point; calculating imaging time according to the imaging distance, the time correction, the distance between the reflecting point and the demodulator probe and the distance between the shot point and the demodulator probe; and obtaining an underground image according to the imaging distance and the imaging time through the imaging method based on the horizontal terrain surface. The invention can improve the accuracy for obtaining the underground image of the virtual terrain surface.
Owner:新锦动力集团股份有限公司
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