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174results about How to "Simplify the manufacturing process" patented technology

Snake bone joint, flexible joint assembly, surgical operation arm and surgical robot

The invention discloses a snake bone joint, a flexible joint assembly, a surgical operation arm and a surgical robot. The snake bone joint comprises two snake bone bases which can rotate based on respective pivots, the two pivots are parallel and have a constant distance, and the snake bone joint further comprises a first limiting structure and a second limiting structure which are arranged between the two snake bone bases. The first limiting structure comprises a first protrusion and a first groove which make contact with each other, the first protrusion is arranged on one snake bone base part, and the first groove is formed in the other snake bone base part. The second limiting structure comprises a second bulge and a second groove which are in contact with each other, the second bulge is arranged on one snake bone base part, and the second groove is arranged on the other snake bone base part; the pivot of one snake bone base is a first pivot, and the vertical distance between the first protrusion and the first pivot is larger than the vertical distance between the second protrusion and the first pivot. Therefore, the snake bone joint has the advantages of being high in bending precision and high in load deformation resistance.
Owner:MAIDER MEDICAL IND EQUIP

Sulfuric acid decomposition reactor

PendingCN119425535AUniform temperatureImprove temperature distributionChemical/physical processesHeater RodSulfuric acid
The invention discloses a sulfuric acid decomposition reactor, which comprises a metal inner shell filled with a heat conduction material layer; a heated part of the heat exchange type reaction assembly is inserted into the metal inner shell and is wrapped by the heat conduction material layer; and the heating end of the electric heating rod is inserted into the metal inner shell and is wrapped by the heat conduction material layer. The electric heating rod is used for heating, uniform temperature in the metal inner shell is guaranteed through the heat conduction material layer, a high-temperature gas loop is not needed, equipment operation and manufacturing are simplified, the requirement for sealing performance is lowered, equipment reliability is improved, temperature distribution in the metal inner shell is improved through the use of the heat conduction material layer, and the service life of the equipment is prolonged. And the decomposition efficiency is improved.
Owner:CHINERGY CO LTD

Antifouling agent, micro-nano mesoporous material and marine antifouling composition

The invention discloses an antifouling agent, a micro-nano mesoporous material and a marine antifouling composition. A preparation method of the micro-nano mesoporous material comprises the following steps: S1, sequentially carrying out hydrothermal acid etching, cleaning, roasting and cooling on a micro-nano mesoporous material matrix for later use; s2, dissolving a DCOIT-like derivative and halogenated fatty alcohol in a solvent, heating and refluxing, dropwise adding a mixed solution of diisocyanate and a catalyst, and continuously carrying out heat preservation reaction; and S3, grinding and bulking the micro-nano mesoporous material modified matrix prepared in the step S1 to fully release agglomerated fiber bundles, ultrasonically dispersing the fiber bundles in a solvent, adding the dispersed fiber bundles into a system in the step S2, carrying out a heating reaction, purifying, drying, grinding, and storing. Activated silicon hydroxyl enriched in a micro-nano mesoporous material modified matrix is covalently linked with degradable terminal isocyanate (R-NCO) in quaternized DCOIT derivatives, and the method has the properties of high efficiency, broad spectrum, low toxicity and long-acting effect.
Owner:POWERCHINA ZHONGNAN ENG

Injection mold for hard air inlet pipe of automobile engine

The utility model relates to an injection mold for an air inlet hard pipe of an automobile engine, which comprises a movable mold assembly and a fixed mold assembly which are matched with each other and are respectively arranged front and back, and the movable mold assembly comprises a movable module, a movable core block embedded in the rear side of the movable module, a feeding block fixed on the front side of the movable module and a panel fixed on the front side of the feeding block; the fixed mold assembly comprises a fixed mold block matched with the movable mold block, a fixed core block embedded in the front side of the fixed mold block and matched with the movable core block, a seat block arranged behind the fixed core block, and an ejection mechanism arranged between the seat block and the fixed core block; a first inner core forming module and a second inner core forming module which are matched with each other are arranged between the movable module and the fixed module; according to the injection mold, the demolding difficulty is reduced, and the structural complexity of the injection mold is reduced, so that the manufacturing and assembling processes are simplified.
Owner:NINGBO YONGJIN AUTO PARTS CO LTD

Relay

The invention discloses a relay which comprises a contact assembly and an arc extinguishing assembly. The contact assembly comprises two contact parts, one contact part is provided with a first static contact and a first leading-out piece, the first static contact is arranged on the first leading-out piece, and the other contact part is provided with a first movable contact used for making contact with or being separated from the first static contact. The arc extinguishing assembly comprises a magnetic conductive piece and a permanent magnet, the magnetic conductive piece is connected with the first leading-out piece, and the permanent magnet is arranged on the side, facing the first movable contact and the first static contact, of the magnetic conductive piece, located around the first movable contact and the first static contact and used for extinguishing electric arcs generated between the first movable contact and the first static contact.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD

Drag chain wiring device of elevator

The utility model provides a drag chain routing device of an elevator, which belongs to the technical field of elevators and comprises a support, a first side plate and an electric / pneumatic wire harness, the support comprises a transverse part, a vertical part arranged below the transverse part and a shaft part arranged on the vertical part, and a chain wheel and at least one drag chain wheel are sequentially and rotatably arranged on the shaft part along one end. The chain wheel and the drag chain wheel are fixed relative to the axial position of the shaft part, a chain is assembled on the chain wheel, a drag chain is arranged on the drag chain wheel, the drag chain is hollow, the electric / pneumatic wire harness is arranged in the drag chain, and the drag chain wheel rotates along with the chain wheel to enable the electric / pneumatic wire harness to move along with the drag chain; according to the utility model, extra bearings and other auxiliary parts required by a traditional wiring chuck are reduced, so that the total number of parts is reduced, the manufacturing process is simplified, the material cost and the processing cost are directly reduced, and meanwhile, the production and assembly time is reduced due to simpler assembly, so that the production cost is further reduced.
Owner:ZHEJIANG CANAAN TECH

Back contact battery and manufacturing method thereof, photovoltaic module

The present invention discloses a back contact cell and a manufacturing method thereof, and a photovoltaic module, which relate to the technical field of solar cells and are used to simultaneously prevent leakage at the lateral interface and the longitudinal interface of the first doped semiconductor layer and the second doped semiconductor layer. The back contact cell comprises: a silicon substrate, a first passivation layer, a first doped semiconductor layer, a second passivation layer, a second doped semiconductor layer and an insulating layer. The first passivation layer and the first doped semiconductor layer are sequentially stacked on the backlight surface of the silicon substrate. The second passivation layer and the second doped semiconductor layer are sequentially stacked on the backlight surface. The stacked second passivation layer and the second doped semiconductor layer cover a partial area of ​​the stacked first passivation layer and the first doped semiconductor layer, and the conductivity types of the second doped semiconductor layer and the first doped semiconductor layer are opposite. The insulating layer is at least located between the second passivation layer and the first doped semiconductor layer, and is used to separate the second passivation layer and the first doped semiconductor layer.
Owner:LONGI GREEN ENERGY TECH CO LTD

Battery end cover and battery

The utility model relates to the field of battery structures, in particular to a battery end cover and a battery. The battery end cover is mounted at an opening in one side of the battery shell and comprises a first cover plate; a tab connecting part is arranged on the inner side of the first cover plate, the tab connecting part is connected with a first tab at the end part of a battery cell so as to enable the first cover plate to be electrified, and the electrified polarity of the first cover plate is the same as that of the first tab. According to the battery end cover provided by the invention, a collector plate and a pole structure in the prior art are omitted, the occupation of the space of a battery shell is reduced, and the space utilization rate is improved; and the number of parts of the device is small, the manufacturing process is simple, and the production and manufacturing cost of the battery is reduced.
Owner:JIANGSU PYLON BATTERY CO LTD

Physical information machine learning design method for multi-component composite high-thermal-conductivity filler

A physical information machine learning design method of a multi-component composite high-thermal-conductivity filler belongs to the technical field of composite high-thermal-conductivity filler design, and comprises the following steps: S1, establishing a material intrinsic attribute data set; s2, establishing a three-dimensional space closest packing model; s3, setting boundary constraint conditions; s4, optimizing a machine learning algorithm; and S5, carrying out proportion conversion. According to the method, an existing machine learning technology is utilized, a comprehensive data set is constructed, a machine learning algorithm is applied, the porosity is reduced and heat conduction paths are increased through accurate material particle size matching, and different three-dimensional space closest packing theoretical models are correspondingly selected according to material intrinsic attributes; therefore, on the basis of optimizing the stacking structure of the optimal filler of the heat-conducting polymer composite material, forming an efficient heat-conducting path and keeping the processing performance of the heat-conducting polymer composite material, the design and manufacturing processes are simplified, the production efficiency is improved, and powerful technical support is provided for effective heat dissipation and reliable and stable work of electronic equipment.
Owner:SHANGHAI BORON MOMENT NEW MATERIAL TECH CO LTD

Welding equipment for stainless steel rocket storage tank

The invention provides welding equipment for a stainless steel rocket storage tank. The welding equipment comprises a supporting base, a scalloped segment rotating supporting assembly, a scalloped segment inner tube, a top cover inner tube and a lifting shaft. The scalloped segment rotary supporting assembly is arranged on the supporting base so as to support the scalloped segment inner tube and the bottom of the scalloped segment; the scalloped segment inner tube is provided with a molded surface matched with the inner side face of a scalloped segment, and the inner side face of the scalloped segment is supported so as to weld a longitudinal seam of the scalloped segment. The lifting shaft is arranged in the middle of the supporting base, the top cover inner tube is fixedly arranged on the lifting shaft, and the top cover inner tube is used for supporting a top cover so as to weld a scalloped segment ring and the top cover. The welding equipment can improve the welding seam performance, and can simplify the manufacturing process of the elliptical head.
Owner:BEIJING LANDSPACETECH CO LTD

Force value protection member and ablation handle

The invention provides a force value protection component and an ablation handle, and relates to the field of force value protection. The force value protection component comprises a force conduction part, a limiting part and a pulling force generation part. The force conduction part is fixedly connected with the limiting part; the limiting part is in contact with the tension generation part; the force conduction part is configured to conduct the tension to the protected object and conduct the counter-acting force of the tension to the limiting part; and the limiting part is configured to limit the displacement of the force conduction part, so that the protected object is not subjected to the pulling force any more under the condition that the preset external force value is reached. By using the force value protection component provided by the embodiment of the invention, the target object can be protected in time when the external force borne by the target object reaches the preset external force value, and the target object is prevented from being further damaged by the external force. When the force value protection component provided by the invention is applied to the ablation handle, excessive expansion of the net basket caused by misoperation can be effectively prevented, so that the risk of vascular injury is reduced.
Owner:SHANGHAI GOLDEN LEAF MED TEC CO LTD

Traditional Chinese medicine compound extracted plant beverage and preparation method thereof

The invention discloses a traditional Chinese medicine compound extracted plant beverage which comprises the following raw materials in parts by weight: 20-30 parts of a traditional Chinese medicine compound extracting solution, 40-60 parts of composite concentrated fruit juice, 2-4 parts of a preservative, 0.2-0.5 part of a stabilizer and the balance of water, totaling 500 parts, the solid content of the traditional Chinese medicine compound extracting solution is 25-35%, and the traditional Chinese medicine compound extracting solution is prepared by extracting, filtering and concentrating radix astragali, fructus lycii, rhizoma dioscoreae, poria cocos, fructus crataegi and flos chrysanthemi; the solid content of the composite concentrated fruit juice is 30-40%, the composite concentrated fruit juice is prepared by pulping, filtering and concentrating blueberries, lemons, kiwi fruits and grapefruits, and the composite concentrated fruit juice contains a natural antioxidant. In addition, the invention further discloses a preparation method of the traditional Chinese medicine compound extracted plant beverage, and the traditional Chinese medicine compound extracted plant beverage not only is good in taste, but also has a remarkable fatigue relieving function and has a wide market application prospect.
Owner:SHAOYANG UNIV

Perovskite precursor and preparation method thereof

The invention belongs to the technical field of perovskite batteries, and particularly relates to a perovskite precursor and a preparation method thereof. According to the invention, the perovskite precursor is prepared into an emulsion form, Ge < 4 + > is adopted to prepare the perovskite precursor, and the silicon dioxide nano oxide, the additive and the stabilizer are introduced into the emulsion precursor, so that the moisture resistance and hydrophobicity of the perovskite thin film are improved, and tiny liquid drops in the emulsion are used as a template for perovskite crystal growth, so that the perovskite thin film is prepared. The size and form of perovskite crystals are controlled, the silicon dioxide nano oxide can passivate defect states on the surface of perovskite and reduce recombination of electron-hole pairs, and a precursor in the emulsion is also beneficial to passivating surface defects in the curing process, reducing defect state density and improving device performance. The device prepared by using the perovskite precursor prepared by the invention has good photoelectric property and stability.
Owner:GUANGXI DONGLAN NEW MATERIALS CO LTD +2

Manufacturing method and application of three-layer anti-icing / deicing product with surface micro-nano structure

The invention discloses a manufacturing method and application of a three-layer anti-icing / deicing product with a surface micro-nano structure. The manufacturing method of the product comprises the following steps: manufacturing a template with a microstructure array on the surface, and fixing the template in a mold cavity; spraying the nano carbon material dispersion liquid on the surface of the template microstructure array to form a coating; the product is manufactured by compression molding or injection molding. The surface of the manufactured product is of a micro-nano structure, and the product is divided into a carbon material surface layer, a high polymer material / nano carbon material mixed layer and a high polymer material layer in the thickness direction. The micro-nano structure on the surface endows the surface with super-hydrophobic and low-adhesion characteristics; the surface micro-nano structure has the light trapping characteristic, more incident sunlight is absorbed by the surface layer and converted into heat energy, heat conduction is conducted through the surface layer and the mixed layer, the surface layer and the mixed layer have high conductivity, and therefore the surface temperature can be rapidly and evenly increased under the photo-thermal condition and the electric heating condition. Articles can be applied to active and passive ice prevention / removal.
Owner:SOUTH CHINA UNIV OF TECH

Motor stator winding, stator and motor

The present invention provides a motor stator winding, a stator and a motor, including a multi-phase winding, any one of which includes a plurality of coil groups connected in sequence, and the plurality of coil groups are arranged in sequence along the circumference of the stator core; any one of the coil groups includes a first conductor group, a second conductor group, a third conductor group and a fourth conductor group, the first conductor group is arranged in the radial innermost layer or outermost layer of the stator core, the fourth conductor group is arranged in the radial innermost layer or outermost layer of the stator core, and the first conductor group and the fourth conductor group are arranged in different radial layers of the stator core; along the radial direction of the stator core, except for the innermost layer and the outermost layer, the remaining layers of the stator core where the first conductor group and the fourth conductor group are located are all provided with the third conductor group; along the radial direction of the stator core, each layer where the second conductor group is located is provided with the second conductor group. The beneficial effect of the present invention is that the winding structure adopts a completely symmetrical structure in the magnetic circuit, eliminating the loop current problem caused by the asymmetric structure.
Owner:BORGWARNER POWERDRIVE SYST (TIANJIN) CO CHINA

BATTERY PACK

ActiveDE602019070293T2Improve coupling strengthstably maintain couplingVent arrangementsSecondary cells servicing/maintenance
A battery pack includes: a battery cell; a circuit board configured to collect state information about the battery cell; and a connection line configured to transmit the state information about the battery cell to the circuit board and including a link line and a board connection pad, wherein the link line extends from a side of the battery cell toward the circuit board, and the board connection pad extends from a first end portion, to which the link line is connected, and is coupled to the circuit board while facing the circuit board, wherein the board connection pad includes: outer soldering portions formed in an outer region of the board connection pad and concave toward the outside of the board connection pad; a gas discharge hole formed in a closed loop shape in an inner region of the board connection pad; and an inner soldering portion formed along the gas discharge hole. According to the present disclosure, the electrical connection between the connection line and the circuit board may be stably maintained with high reliability for transmitting state information about the battery cell, and manufacturing costs may be reduced by simplifying manufacturing processes.
Owner:SAMSUNG SDI CO LTD

Heat insulation assembly, battery and electric device

The utility model provides a heat insulation assembly, a battery and a power utilization device. The heat insulation assembly comprises a heat insulation main body, a bonding layer and a separation layer, the heat insulation body is provided with connecting faces and side wall faces, the connecting faces are arranged in pairs and distributed at intervals in the first direction, and the side wall faces are connected between the connecting faces arranged in pairs. The bonding layer is arranged on the connecting surface and is connected with the heat insulation main body; the separating layer covers the side, away from the heat insulation body, of the bonding layer. Wherein the heat insulation main body is provided with a notch, the notch is formed by sinking the side wall face into the heat insulation main body, and the orthographic projection of the separation layer in the first direction covers the notch. According to the heat insulation assembly provided by the embodiment of the invention, the separation layer can be stripped conveniently.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Axial fluid bearing portion and method for assembling two axial foil bearing assemblies

The invention relates to an axial fluid bearing part (24) having two axial foil bearing assemblies, each having at least one bearing foil (26), which are assigned to two axially opposite housing end faces of two housing bodies radially in a housing circumferential surface of a receiving space. In order to optimize the axial fluid bearing portion (24), the axial foil bearing assemblies are each held at an axial distance from one another by means of at least one guide and / or holding geometry provided on the cover foil of the respective axial foil bearing assembly.
Owner:ROBERT BOSCH GMBH

Fire-resistant test piece and test method for wing integral fuel tank covering cap

The invention provides a fire-resistant test piece and a fire-resistant test method for an integral wing fuel tank opening cap, and belongs to the field of aircraft fuel tank tests.The test piece comprises a combined upper wall plate, the upper wall plate comprises an upper wall plate body, the upper wall plate body is provided with an opening and a first stringer, and the edge of the opening is provided with a second stringer, an opening area boss and a sunken feature area; the covering cap assembly is mounted at the opening and fixedly connected with the upper wall plate; the lower wall plate is of a flat plate structure, and two oil drainage openings are formed in the lower wall plate; the upper and lower edges of the wing beam and the wing rib are provided with edge strips which are turned outwards, the wing beam and the wing rib are fixedly connected with the upper wall plate and the lower wall plate through the edge strips, and the upper wall plate, the oil tank rib, the oil tank beam and the lower wall plate are fixedly connected to form a closed box section structure. The test piece structure form, the part number and the assembly relation are simplified, the part manufacturing and assembly procedures are simplified, and the manufacturing cost is reduced.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

Fan device and electronic equipment

The utility model provides a fan device, and aims to improve the heat dissipation performance and reliability of electronic equipment. The device comprises a cylindrical hub and a plurality of blades, wherein the blades are fixed on the outer surface of the hub through riveting structures. The riveting structure is composed of a convex hull and a riveting hole, the convex hull is provided with a cylindrical chamfer structure, is arranged on the riveting plate and is matched with the riveting hole in the hub, and stable connection is achieved. The blades and the hub can be machined separately and then assembled through a simple riveting process, and the method is suitable for various metal machining methods. By means of the design, connection between the blades and the hub is firmer and more reliable, and the impeller is particularly suitable for high-temperature and high-vibration environments. The fan blades and the hub which are made of metal materials have excellent heat conduction performance and durability. The fan device is suitable for various electronic devices needing efficient heat dissipation, such as notebook computers, tablet personal computers, smart phones and game devices.
Owner:KUNSHAN BENHECHANG ELECTRONIC TECH CO LTD

Magnetic anti-counterfeiting elements and magnetic anti-counterfeiting products

The invention provides a magnetic anti-counterfeiting element and a magnetic anti-counterfeiting product, belonging to the technical field of magnetic anti-counterfeiting, and relates to a magnetic anti-counterfeiting element for protecting valuable documents, etc. The magnetic anti-counterfeiting element comprises a first magnetic region and a second magnetic region that can be magnetically encoded, the first magnetic region is composed of a high-coercive force magnetic material with magnetic anisotropy, the second magnetic region is composed of a low-coercive force magnetic material with magnetic anisotropy, the magnetic materials in the first magnetic region and the second magnetic region have magnetic particles, wherein the main magnetic particles in the first magnetic region and the second magnetic region are regularly arranged to form anisotropic fields in different directions, and under different pre-magnetization modes, the magnetic anti-counterfeiting element has significant detection signal characteristics, which cannot be achieved by current conventional magnetic anti-counterfeiting elements, and has high anti-counterfeiting security.
Owner:ZHONGCHAO SPECIAL SECURITY TECH +1

A ship plate steel with high plasticity, impact toughness and excellent weldability and its production method.

This invention discloses a ship plate steel with high plasticity, excellent impact toughness, and excellent weldability, and its production method. The composition of the ship plate steel includes C, Si, Mn, Als, P, S, Re, and the balance Fe and impurities. The preparation method includes: heating the billet at a temperature of 1150–1250℃, a heating rate of 8–12 min / cm, and a furnace exit temperature in the range of 1170±30℃; rolling: the first-stage rolling temperature is ≥1050℃, the intermediate billet thickness is 3 times the thickness H of the finished steel plate, and the second-stage rolling temperature is ≤960℃. The final rolling temperature is 830±30℃; the red-hot temperature after rolling is determined according to the thickness H of the finished steel plate. When H≤16mm, the red-hot temperature after rolling is 620±40℃; when 16<H≤25mm, the red-hot temperature after rolling is 640±30℃. The maximum thickness of the finished steel plate obtained by this invention is 25mm, the yield strength ReH≥320MPa, the tensile strength Rm≥420MPa, the elongation A≥30%, the longitudinal impact energy KV2≥200J at 0℃, and the steel plate microstructure is ferrite + pearlite. It is an economical high-plasticity ship plate steel.
Owner:WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD

Anti-migration black pigment, high-reflection black packaging adhesive film and photovoltaic module

The invention relates to the technical field of photovoltaic materials, in particular to an anti-migration black pigment, a high-reflection black packaging adhesive film and a photovoltaic module. The anti-migration black pigment has a structural general formula as shown in a formula I, wherein R1 is at least one of R1, R2, R3, R4, R5, R6 and R7. The anti-migration black pigment disclosed by the invention is blue-phase black, and has excellent damp-heat resistance and migration resistance; when being used for a black packaging adhesive film, the black packaging adhesive film can be well matched with the color of a battery piece without adding other auxiliary pigments for color matching; and in a high-temperature and high-humidity environment, the color difference change value (delta E) of the color of the adhesive film is remarkably reduced, and the requirement that delta E is less than or equal to 2 in long-term use of the photovoltaic adhesive film is completely met.
Owner:JIANGSU LUSHAN PHOTOVOLTAIC TECH +1

High efficient preparation method of oxide cathode with exhaust activation synchronous sintering

The application discloses a kind of high-efficiency preparation methods for oxide cathode by exhaust activation synchronous sintering, comprising the following steps: S1.metal matrix powder and emitting material are mixed and ball milled, so that the emitting material is uniformly adhered to the surface of the metal matrix powder;S2.the mixed powder after ball milling is screened;S3.the metal matrix powder with emitting material adhered on the surface obtained by screening is placed in a pressing mold, a predetermined pressure is applied for pressing, and an emitter compact is obtained;S4.the emitter compact is assembled into a cathode cylinder and fixed, and a hot wire component is assembled, to obtain a pre-assembled cathode;S5.the pre-assembled cathode is placed in a vacuum environment, and the hot wire component is powered to heat for exhaust treatment and activation treatment, and simultaneously sinter the emitter compact into a metal sponge emitter with uniformly dispersed emitting material inside.The application greatly shortens the cathode preparation period, the emitting material is uniformly distributed, the matrix is firmly combined, and the production efficiency and product reliability are significantly improved.
Owner:KUNSHAN GUOLI HIGH POWER DEVICE IND TECH RES INST CO LTD

PCB and preparation method thereof

The invention discloses a PCB (Printed Circuit Board) and a preparation method thereof. The PCB comprises an intermediate board, a first differential board, a first outer board, a second differential board and a second outer board, the first differential plate and the second differential plate are arranged on the two side faces of the middle plate respectively, the first outer plate is arranged on the side face, away from the middle plate, of the first differential plate, and the second outer plate is arranged on the side face, away from the middle plate, of the second differential plate. The first differential plate is provided with a first differential transmission line, and the second differential plate is provided with a second differential transmission line; the PCB further comprises open holes, and the open holes comprise round holes and arc-shaped holes; the first outer plate and the second outer plate are also sequentially provided with a copper layer and a nickel-gold layer; and the holes are filled with resin. A strong inductance structure is formed by the first differential transmission line, the second differential transmission line, the hole wall and the nickel-gold layer, the PCB can meet the choking effect under the condition that an external inductor is not needed, and meanwhile low cost and miniaturization can be achieved.
Owner:AKM ELECTRONICS INDAL PANYU

Homogeneous coated fiber material based on electrostatic-air jet coaxial spinning and preparation method thereof

The present invention discloses a homogeneous coating fiber material based on electrostatic-jet coaxial spinning and a preparation method thereof, wherein the homogeneous coating fiber material based on electrostatic-jet coaxial spinning includes a core layer located inside and a cortex layer arranged outside the core layer; the material of the core layer includes at least one of degradable polyurethane (BPU) and degradable polyester (BPE); the material of the cortex layer includes a water-soluble polymer matrix, a functional compound molecule, and a cross-linking agent; the functional compound molecule includes at least one compound molecule of anticoagulation, anticalcification, antioxidation, antiproliferation, and anti-infection. The present invention adopts homogeneous blending technology to prepare a spinning solution, and then spins a uniform skin-core structure fiber through a special electrostatic-jet coaxial spinning nozzle, and then soaks in a dilute solution of a green cross-linking agent, ultrasonically washes, pre-freezes, and vacuum freeze-dries to obtain a highly efficient functionalized fiber of the finely controlled coating.
Owner:SHANGHAI UNIV OF ENG SCI

Manufacturing method of energy storage cabin

The invention provides an energy storage cabin manufacturing method, and relates to the technical field of new energy storage equipment manufacturing. The welding holes are punched in the positions, corresponding to the reinforcing ribs and the bottom frame side bottom beams, of the end door inner sealing plate and the bottom frame outer bottom plate respectively, in the actual welding machining process, only the inner sealing plate and the bottom frame bottom plate need to be positioned and assembled according to the drawing requirement, the welding holes are subjected to spot welding, and then connection and fixation with internal workpieces can be achieved; and meanwhile, the design requirements for sealing performance, structural strength and attractive appearance of the energy storage cabin are met, the manufacturing process of such parts of the energy storage cabin is simplified, the method is convenient, the production efficiency is improved, redundant internal workpieces do not need to be welded, the machining cost is reduced, and resource waste is reduced.
Owner:JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP

Circuit board and chip package including same

A circuit board according to an embodiment includes: a first metal layer; and a second metal layer disposed on the first metal layer, in which the first metal layer includes an oxide layer formed by oxidizing a region of a predetermined depth from a lower surface of the first metal layer, the first metal layer and the second metal layer include a plurality of electrode patterns disposed on the oxide layer and spaced apart from each other, the oxide layer insulates the plurality of electrode patterns from each other.
Owner:LG INNOTEK CO LTD

Wearable composite sensor for strain and positioning

ActiveCN119618047AImprove signal resolutionReduce coupling interferenceElectric/magnetic position measurementsForce measurementLanternMetal electrodes
The invention belongs to the field of sensors, and particularly relates to a wearable composite sensor for strain and positioning, which comprises a strain identification module and a position identification module, when the position identification module is not subjected to external force, the sensitive layer and the metal electrode layer are not in contact with each other, and a conductive path is not generated; when the sensitive layer is subjected to pressure of interphalangeal joints through the lantern ring, the sensitive layer at the pressed part penetrates through the inert gas spacing layer to be in contact with the metal electrode layer, the first electrode and the output electrode form a conductive path, and a position signal is generated through the microstructure substrate; when a finger is bent, the strain sensing module transmits bending stress to the sensitive layer through the lantern ring, and when the sensitive layer is subjected to the bending stress, the resistance value between the first electrode and the second electrode changes to generate a strain signal. The sensor disclosed by the invention is simple in structure, simple in preparation process, high in identification accuracy and high in strain sensing sensitivity.
Owner:CHONGQING UNIV OF POSTS & TELECOMM