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638results 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

Remanufacturing repair method for generating high-entropy effect in situ through synergistic effect of multiple laser beams

The invention provides a remanufacturing repair method for generating a high-entropy effect in situ under the synergistic effect of multiple laser beams. When the surface of the damaged TiAl alloy blade is repaired, firstly, a first laser beam A is used for preheating a TiAl alloy in the repairing advancing direction, so that the TiAl alloy is molten to form a molten pool D rich in Ti and Al elements; secondly, a second beam of laser B is used for heating and melting Mo, Nb and Ta mixed powder sent out by the laser cladding head, and a molten pool E rich in Mo, Nb and Ta elements is formed; and along with advancing of the laser B in the repairing direction, the molten pool D and the molten pool E are combined to form a molten pool F rich in Mo, Nb, Ta, Ti and Al elements. And then a third beam of laser C is used for making a spiral line according to a preset route to swing and heat the molten pool F, and the stirring effect is achieved, so that the five elements of Mo, Nb, Ta, Ti and Al are evenly distributed in the molten pool, and the high-entropy effect after element mixing is enhanced. And finally, after the molten pool F is cooled, the MoNbTaTiAl high-entropy alloy coating is formed on the surface of the TiAl alloy. According to the method, the high-entropy effect is generated in situ through the additional elements and the matrix elements, and high-quality repairing of the surface of the TiAl alloy blade can be achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Iron-based nanocrystalline soft magnetic composite material and preparation method thereof

The invention provides an iron-based nanocrystalline soft magnetic composite material and a preparation method, and the iron-based nanocrystalline soft magnetic composite material is prepared by sequentially carrying out low-temperature destressing heat treatment, medium-temperature nucleation heat treatment and high-temperature crystal nucleus growth heat treatment on an iron-based soft magnetic composite material green body, the iron-based soft magnetic composite material green body is prepared by mixing iron-based amorphous magnetic powder, an insulating material and an organic binder and carrying out cold pressing, and the iron-based amorphous magnetic powder is Fe-based amorphous alloy containing Cu. The method has the advantages that through a multi-stage heat treatment mode, fine nanocrystalline can be separated out in an amorphous matrix of magnetic powder, aging decomposition failure of an insulating layer can be reduced, meanwhile, internal stress of the composite material can be fully released, and therefore the iron-based nanocrystalline soft magnetic composite material high in magnetic conductivity and low in loss can be obtained.
Owner:TIZ ADVANCED ALLOY TECH CO LTD

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

Composite T-shaped stiffened wallboard co-bonding forming method capable of eliminating edge wrinkles

PendingCN119388798Aincrease opennessGuarantee internal qualityWeight reductionHeat transmissionStringer
The invention discloses a composite material T-shaped stiffened wallboard co-bonding forming method capable of eliminating edge wrinkles, and the method comprises the following steps: co-bonding of a T-shaped stringer and a stiffened skin wallboard, bag making and vacuumizing, hot pressing and curing, and demolding. Edge wrinkles of the T-shaped stringer on the stiffened skin wallboard are effectively eliminated, vacuum hot-pressing curing forming is adopted, the curing pressure in the T-shaped stringer forming process is more uniform, and the risk of wrinkles of the skin gluing face of the T-shaped stringer and the stiffened skin wallboard is reduced. According to the T-shaped stringer, uniform conduction of tank pressure is facilitated, heat transfer in the curing process is more uniform, and the internal quality of the T-shaped stringer made of the composite material is easy to guarantee, so that the thickness of the T-shaped stringer made of the composite material is not affected while the internal quality of the T-shaped stringer is not affected, the manufacturing cost of the T-shaped stringer made of the composite material is reduced, and the manufacturing process is simplified.
Owner:SPACE SEAHAWKS ZHENJIANG SPECIAL MATERIAL 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

Photovoltaic module with edge creepage area and preparation method thereof

The invention discloses a photovoltaic module with an edge creepage area and a preparation method thereof. The method comprises the following steps: providing upper glass, a battery piece, lower glass, a welding strip, a confluence plate and a confluence groove; a slot is formed in any end surface of the confluence groove; the battery piece is pasted on the upper glass, the lower glass is pasted on the battery piece, and one end of the battery piece is connected with the welding strip; the welding strip is bent by 90 degrees relative to the battery piece, so that part of the structure of the welding strip extends upwards along the lower glass and is perpendicular to the battery piece; arranging a bus board on a partial structure of the welding strip, and electrically connecting the battery piece with a bus bar on the bus board through the welding strip; inserting a part of the structure of the welding strip into the slot of the confluence groove, so that the welding strip and the confluence plate are sealed in the confluence groove, and the part of the structure of the confluence groove is arranged on the lower glass; the photovoltaic module can be connected with external equipment through the confluence groove; and filling a packaging adhesive layer between the welding strip and the glass under the condition that the welding strip is not contacted with the confluence groove to complete the preparation of the photovoltaic module.
Owner:FAR EAST HENG FAI FACADE (ZHUHAI) LTD +1

Integrated negative electrode binder for silicon-based negative electrode, negative electrode plate and lithium battery

The invention relates to an integrated negative electrode binder for a silicon-based negative electrode, a negative electrode plate and a lithium battery. Wherein the integrated negative electrode binder for the silicon-based negative electrode comprises a polymer and a conductive material; the polymer comprises a polyacrylic acid copolymer modified by a hydrophilic block and a hydrophobic block, the weight-average molecular weight of the polymer is 600,000-800,000, the number-average molecular weight of the polymer is 300,000-500,000, and the polydispersity of the polymer is 1.2-2.5. The silicon negative electrode has the advantages that the mechanical performance of the silicon negative electrode can be improved, the stress generated in the volume expansion of the silicon particles is dissipated, so that the silicon particles are prevented from being broken, and the adhesion to the conductive carbon material is good.
Owner:SHENZHEN HAODYNE TECH CO LTD

Metal foreign matter detection method for wireless charging system

The invention discloses a metal foreign matter detection method for a wireless charging system, and belongs to the technical field of metal foreign matter detection.The metal foreign matter detection method comprises the steps that a detection coil array is constructed, metal foreign matter detection is conducted on the wireless charging system through the detection coil array, and detection coil units forming the detection coil array are numbered; the inductance value of the detection coil unit is converted into voltage at the two ends of the resistor easier to detect, whether the metal foreign matter exists or not is judged by detecting the voltage, the position and size of the metal foreign matter are determined based on the number, and the specific type of the metal foreign matter is judged according to the power frequency variation when the voltage at the two ends of the resistor is detected to be zero again. By determining the position, the size and the type of the metal foreign matter in the wireless charging system, the recognition precision of the metal foreign matter is greatly improved, targeted measures can be conveniently taken according to detected specific information, and stable operation of the wireless charging system is guaranteed.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO

Panda type polarization maintaining optical fiber and preparation method thereof

The invention belongs to the technical field of optical fibers, and discloses a panda type polarization maintaining optical fiber and a preparation method thereof. According to the panda type polarization maintaining optical fiber, the stress areas are symmetrically distributed on the two sides of the fiber core at intervals, the whole stress areas are wrapped by the inner wrapping layer, and the grinding performance and the mechanical performance of the optical fiber can be improved by combining fiber core fluorine-doped viscosity matching, stress area diameter and stress area gradual change design; therefore, the optical fiber has better birefringence performance, full-temperature performance, reliability and deformation resistance. Meanwhile, the polarization-maintaining mother rod is prepared through the PCVD large rod technology, the fiber core, the inner cladding and the outer cladding are integrally formed, the stress area can be completely wrapped by the inner cladding through the technology, the preparation procedure of the panda type polarization-maintaining optical fiber can be greatly simplified, and the performance of the optical fiber can be improved.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD

Power divider

The invention provides a power divider, which comprises a ceramic substrate, a magnetic core, an impedance capacitor and an isolation resistor, and is characterized in that an input end electrode, a first output end electrode, a second output end electrode and a grounding end electrode are arranged on the outer surface of the ceramic substrate; the magnetic core is arranged on the outer surface of one side of the ceramic base body in the thickness direction, the magnetic core is in a square ring shape, a power distribution winding is wound on the magnetic core, and the power distribution winding is configured to distribute an input signal of the input end electrode to the first output end electrode and the second output end electrode; the impedance capacitor is arranged on the outer surface of the ceramic substrate, one end of the impedance capacitor is connected with the input end electrode, and the other end is connected with the grounding end electrode; the isolation resistor is arranged on the outer surface of the ceramic substrate, and the isolation resistor is connected between the first output end electrode and the second output end electrode. The power divider can achieve the purposes of small size, wide frequency band and high reliability.
Owner:SHENZHEN ZHENHUA FU ELECTRONICS

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

Anti-crack mortar for assembly type light partition board and preparation method of anti-crack mortar

The invention discloses anti-crack mortar for an assembly type light partition wall board. The anti-crack mortar is prepared from the following raw materials: Portland cement, redispersible latex powder, hydroxypropyl methyl cellulose ether, gypsum powder, fly ash, anti-crack fibers, water, polyphenyl granules, light mineral waste residues, a foaming agent, an early strength agent, a foam stabilizer, a waterproof agent, a water reducing agent, an accelerator and a reinforcing agent. The mortar can be used for manufacturing light partition boards or connecting two light wall materials, the manufacturing process of the wall materials produced by the mortar is simple, the wall materials are easy for later decoration, the problems of surface cracking, water seepage and easy moisture of a traditional wall board are solved, compared with the traditional wall board, the mortar has the advantages of light weight, combustion resistance, strong permeability release property and the like, the production process is pollution-free, and the mortar is suitable for large-scale popularization and application. The finished wall material is convenient to use in the building process and has high practical value.
Owner:GUANGXI UNIV FOR NATITIES

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

Cylindrical flow reactor for electrosynthesizing biofuel by adopting Colbe reaction

The invention relates to a cylindrical flow reactor for electrosynthesis of biofuel using Colbe reaction. Each reactor unit is composed of a central rod-shaped electrode and an outer tube electrode which are separated through electric insulation supporting objects located at the two ends of the reactor, the membrane-free cylindrical continuous flow reactor is characterized in that no membrane is arranged between the electrodes, and the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor by regulating disproportionation reaction in Kolbe, so that the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor, and the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor. According to the present invention, the bio-derived fatty acid is subjected to electrocatalytic conversion into the hydrocarbon (alkane / olefin) alcohol and aldehyde biofuel through the three paths of the dimerization condensation reaction and the Hough-Moest reaction, such that the by-product of the ester biodiesel is furthest reduced, and the cost is reduced due to the expandable cylindrical design.
Owner:CHIAUS DELTA REFUEL TECHNOLOGY (HAINAN) 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

Pump body structure and oral irrigator

The utility model relates to a pump body structure and a water pick, and the pump body structure (1) comprises a pump cover (100) which is provided with a water inlet channel (101) and a water outlet channel (102); the driving assembly (200) comprises a driving shaft (201); the pump body (300) comprises an elastic water storage cavity (301) and a first bracket (302); the elastic water storage cavity (301) is located between the pump cover (100) and the first support (302), one end of the first support (302) is connected with the elastic water storage cavity (301), the other end of the first support (302) is connected with the driving shaft (201), and the first support (302) is obliquely arranged relative to the driving shaft (201); the driving assembly (200) is used for driving the first support (302) to drive the elastic water storage cavity (301) to obliquely rotate around the driving shaft (201), and the elastic water storage cavity (301) generates first elastic deformation in the rotating process so that water can be guided in through the water inlet channel (101), or generates second elastic deformation in the rotating process so that water in the elastic water storage cavity (301) can be guided out through the water outlet channel (102).
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

A device and method for carbon-enhanced large-area adsorption mineralization of recycled concrete

The present invention discloses a large-area adsorption mineralization device and method for carbon-enhanced recycled concrete, including: a crushing and impurity removal part, including a primary impurity removal unit, a jaw crusher, and a secondary impurity removal unit sequentially installed on the ground, for removing impurities from waste concrete before and after crushing; a regeneration and strengthening part, for strengthening the concrete after crushing and impurity removal; a mobile transfer part, which is mainly composed of a transfer track on the ground, one end of which extends to the bottom of the discharge port at the bottom of the vertical mixing box, and the other end extends to the box of the processing and maintenance part, and at the same time, one side of the transfer track is also extended with a parallel monitoring track line and a return track line; a quality monitoring part, which is used to detect the performance indicators of the sample concrete. The present invention saves the cost of preparing high-performance recycled concrete and improves preparation efficiency and quality control by integrating the impurity removal, crushing, strengthening, processing, quality inspection, and return of carbon-enhanced recycled concrete into one device.
Owner:WUHAN CONSTRUCTION ENGINEERING GROUP CO LTD

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

Wiring terminal plugging structure and circuit breaker

The utility model belongs to the technical field of low-voltage electric appliances, and discloses a wiring terminal plug-in structure and a circuit breaker, and the wiring terminal plug-in structure comprises a static terminal and a moving terminal. The static terminal comprises a first shell and a wiring unit arranged in the first shell, two opposite sides of the first shell are respectively provided with a wiring port and a terminal socket, and the wiring unit is provided with an elastic wire clamping part and a contact cavity; the elastic wire clamping part is used for clamping an external lead passing through the wiring port and is in conductive contact with the external lead; the moving terminal can pass through the terminal jack and can be conductively plugged in the contact cavity. The wiring terminal plugging structure is of a two-section structure, so that the use space required by the wiring terminal plugging structure can be greatly reduced, the manufacturing process is simplified, and the production cost is reduced. The wiring unit of the static terminal can clamp the external lead on one hand and can be connected with the internal movable terminal on the other hand, the manufacturing process and required materials can be simplified, and the wiring efficiency can be improved in the mode that the wiring unit and the external lead are elastically clamped.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD