402results about How to "Reduce risk of shedding" patented technology

The invention provides a high strength wood-plastic coated coextruded composite material. The material is composed of a core layer and a coating layer. The coating layer coats the surface of the core layer through a co-extrusion technology, biomass powder in the core layer is improved to a biomass fiber material, because of a large length-diameter ratio, the biomass fiber material not only plays a "filling" role in a wood-plastic composite material, but also plays a "reinforcing" role, greatly improves the mechanical properties of the composite material, especially improves the impact resistance, creep resistance and other properties, thereby broadening the application scope of the wood-plastic composite material. In addition, the coating layer involved in the invention preferably contains ethylene-methyl acrylate copolymer resin, ethylene-vinyl alcohol copolymer resin and high strength fiber, thus being conducive to further enhancing the mechanical properties of the composite material and the binding force with the core layer.

The invention discloses a bearing retainer ring installation device. The bearing retainer ring installation device comprises a machine frame and a control system. The machine frame sequentially comprises a conveying disc, a conveying station, a shifting fork transferring station, a bearing containing station, a first assembly station, a turning station, a second assembly station and a discharging station. The bearing retainer ring installation device has the advantages that the installation device is suitable for installing retainer rings of irregular structures, installation is accurate and firm, and two end faces of a bearing can be assembled at the same time.

The invention provides an intelligent helmet and intelligent helmet system, wherein the intelligent helmet comprises a helmet body, a pressure sensor, a tether, a tension sensor, a detector, and an alarm device. The helmet body is used for protecting a head of an operator from the impact of an external object. The pressure sensor is arranged inside the helmet body and used for sensing the pressure of the head of the operator from the helmet body. The tether is connected to the helmet body and used for tying the jaws of operators to prevent the intelligent helmet from falling off. The tension sensor is connected to the tether and used for sensing and outputting the tension that the tether bears. The detector is connected to the pressure sensor and the tension sensor, and used for outputting an alarm command when detecting that the pressure is not zero and the tension is zero. The alarm device is connected to the detector and used for sending an alerting signal when the alarm command is received. The intelligent helmet and intelligent helmet system has the advantages of various functions, being safe and reliable, and being easy for the operator to use.

The invention discloses an oil coating and nano ceramic fiber composite diaphragm, which is composed of macromolecule polymer material, nano ceramic fiber, binder, dispersant, pore-forming agent and organic solvent, wherein the mass ratio of each component is: macromolecule polymer material 1-20, nano ceramic fiber 2-40, bind 1.5-8, dispersant 0.05-1.5, pore-forming agent 0.05-5 and organic solvent 60-95. As that nano ceramic fiber is uniformly dispersed and stacked in the composite membrane, the in-plane tensile strength of the membrane is improved, the mechanical performance and the thermalstability of the membrane are improved, and the safety of the battery is enhanced.

The application discloses an anti-CMAS double-layer structure protective coating comprising a micro-nano structural layer and a compact layer that is connected with the micro-nano structural layer, wherein the surface of the micro-nano structural layer has a micro-nano structure that comprises a micron-sized convex structure and a nano-sized convex structure provided on the micron-sized convex structure, and the coating material of the anti-CMAS double-layer structure protective coating is one or two of yttrium aluminium garnet and rare-earth modified yttrium aluminium garnet. The applicationalso discloses a preparation method of the anti-CMAS double-layer structure protective coating by using PS-PVD technology, and further discloses a thermal barrier coating multi-layer structure havingthe anti-CMAS double-layer structure protective coating.

The invention provides a TFT liquid crystal display assembly method and system based on a six-axis manipulator platform, and relates to the technical field of automobile combination instrument assembly. The method and system are used for solving the problems that in the assembly process of an existing automobile combination instrument, more stations are needed, and a big error is generated in artificial assembly. According to the TFT liquid crystal display assembly method and system based on the six-axis manipulator platform, an automobile combination instrument without a liquid crystal display and the liquid crystal display are positioned separately, the connection ends are connected in an inserted mode, whether the inserting connection depth is in place or not is determined, and finally the connected liquid crystal display is embedded into an installation groove. According to the method and system, the efficiency is high, the gluing effect is good, the inserting connection error is reduced, the cable fall-off risk is reduced, the production efficiency is improved, the finished product rate is increased, and the method and system are suitable for a liquid crystal display assembly technique.

The invention discloses an adhesion device of a car wall reinforcing rib of an elevator car, comprising a carriage, a plurality of driving transmission rollers which can be rotationally arranged on the carriage and are used for horizontally conveying the reinforcing rib, a disc-shaped double-sided tape which can be arranged above the driving transmission rollers on the carriage and rotate around the self axis, a guiding device which is arranged on the carriage and can guide the disc-shaped double-sided tape to move so that the tape is in alignment with or moves to a position at which the reinforcing rib is to be adhered, a driven pressure roller which is arranged above the driving transmission rollers and can compact the tape on the reinforcing rib above the driving transmission rollers, and a cutting device capable of cutting the tape on the tail end of the reinforcing rib. The adhesion device of the car wall reinforcing rib of the elevator car realizes the automatic adhesion of the tape, so that the production efficiency is improved and the labor intensity is reduced; and simultaneously, due to the device, the double-sided tape can be stably and reliably adhered on the reinforcing rib, so that the product quality is improved, the possible risk that the reinforcing rib falls off is greatly reduced, and the personal safety of a passenger is ensured.

The invention discloses a flexible LED display panel and an electronic device, As that flexible LED display panel is provided with a bonding reinforcement structure, the stress generated by the firstelectrode structure arranged on the flexible substrate when being bent is reduced, the bonding force between the first electrode structure and the bonding reinforcement structure is enhanced, and thebonding stability of the LED unit is further improved. By adopting the flexible LED display panel, the risk of the LED unit falling off is reduced, and the display effect and the service life of the electronic device are improved.

The invention discloses a light emitting diode and a manufacturing method thereof. In some embodiments, the light emitting diode comprises: a light emitting epitaxial layer which comprises a first semiconductor layer, a light emitting layer and a second semiconductor layer in order from top to bottom, and the upper surface of which is provided with a first electrode zone including a welding pad zone and an extension zone; an insulating layer formed on the extension zone of the first semiconductor layer; a transparent conductive layer formed on the surface of the first semiconductor layer and covering the insulating layer; a protective layer formed on the surface of the transparent conductive layer, forming a first opening in the extension zone, exposing a part of the surface of the transparent conductive layer of the extension zone; a first electrode formed on the protective layer, and including a pad portion and an extension portion, wherein the extension portion is electrically connected to the transparent conductive layer of the extension zone through the first opening.

The invention discloses a left auricle occluder assembly capable of repeated contracting and releasing and an intervention method thereof. The assembly comprises a step-type saccule and an occluding amplatzer, a left auricle opening plugging part of the saccule is used for completely plugging a left auricle opening, and a left atrium anchoring part of the saccule is used for being connected to theleft atrium wall in a clamped mode and preventing the occluder from moving. The occluding amplatzer is released in the pericardium, and the rod part of the occluding amplatzer is connected and fixedto the saccule, so that the left auricle is squeezed and sealed between the saccule and the occluding amplatzer. According to the left auricle occluder assembly capable of repeated contracting and releasing and the intervention method, the left auricle opening is plugged by means of the saccule, the surface of the saccule is smooth, and the saccule is coated with anticoagulant coating; various types of left auricles can be blocked by means of the occluder assembly, thrombus formation can be prevented, and it is unnecessary to use an anticoagulant drug after operation.

The present invention provides a Ni-mh battery positive electrode paste smelting and mixing process. Dry powder materials, a binder, a dispersing agent and deionized water are weighed in proportion, the dry powder materials are arranged in a smelting and mixing vessel for low-speed uniform mixing, the deionized water is added into the smelting and mixing vessel at twice, the mixture is subjected to stirring and paste scrapping, the binder and the dispersing agent are added into the smelting and mixing vessel in order for respective uniform stirring, and finally, the smelting and mixing vesselis subjected to vacuum supply while stirring to prepare a Ni-mh battery positive electrode paste, the amount of the deionized water added in the first time is 68-84% of the amount required by the deionized water, the amount of the deionized water added in the second time is the rest of the amount of the deionized water. The Ni-mh battery positive electrode paste smelting and mixing process is simple and feasible, can reduce the smelting and mixing time and is good in paste uniformity.

The invention provides a semiconductor junction temperature test device and a test method thereof, relates to the electronic device test field and especially relates to the semiconductor junction temperature test device and the test method thereof, and provides the semiconductor junction temperature test device and the test method thereof, which can directly measure the semiconductor junction temperature, are small in error of the measured junction temperature and can truly reflect real performance of a semiconductor diode. The test device comprises a diode mounting place and a constant current source, wherein the diode mounting place is connected with the constant current source. The test device also comprises a semiconductor characteristic tester. The semiconductor characteristic tester is connected in parallel to the two ends of the diode mounting place; and the diode mounting place is provided with a diode. The diode mounting place comprises an insulated base. The base is provided with a pair of clamp places; and wiring ends of the diode are clamped in the clamp places correspondingly. The semiconductor junction temperature test device and the test method thereof have the advantages of being capable of directly measuring the semiconductor junction temperature, being small in error of the measured junction temperature and being capable of truly reflecting the real performance of the semiconductor diode.

The invention discloses a loudspeaker module, comprising a shell and a loudspeaker single body housed in the shell, wherein the shell comprises a first shell and a second shell; the loudspeaker single body comprises a concentrating flux plate and a magnet arranged on the concentrating flux plate; the concentrating flux plate is arranged adjacent to the second shell; an opening is arranged at the place of the second shell corresponding to the concentrating flux plate, the concentrating flux plate of the loudspeaker single body is extended outwardly along the opening; and a gel guiding groove is arranged at the border position of the concentrating flux plate adjacent to the second shell and filled with gel; the gel is used for fixing the concentrating flux plate and the second shell; a gap is arranged between the gel guiding groove and the second shell, and the gel permeates through the loudspeaker module along the gap; the gel permeating through the loudspeaker module is used for fixing the magnet and the second shell. The loudspeaker module of the invention is high in reliability.

The invention provides an electrode assembly and a secondary battery. The electrode assembly comprises a first pole piece, a second pole piece and a diaphragm, wherein the diaphragm separates the first pole piece from the second pole piece. The first pole piece comprises a first current collector and a first active substance layer, the first current collector comprises a first main body part and afirst tab, and the first tab extends from one end of the first main body part along the longitudinal direction; the first main body part comprises a first coating area and a first transition area, and the first transition area is arranged between the first tab and the first coating area; and the surface of the first coating area is coated with the first active substance layer, and the first transition area and the first tab are not coated with the first active substance layer. The second pole piece comprises a second current collector and a second active substance layer, the second current collector comprises a second main body part and a second tab, the second tab extends from one end of the second main body part along the longitudinal direction, and the second active substance layer iscoated on the surface of the second main body part. The edge, away from the first coating area, of the first transition area does not exceed the edge of the second active material layer.

The invention relates to a growing device of a lithium triborate (LBO) crystal. The growing device comprises a crucible and a convex part which is arranged on the inner bottom of the crucible. The invention also relates to a growing method of the LBO crystal. Growth of the LBO crystal is carried out by adopting the growing device. The growing device provided by the invention is simple in structure, simple and convenient to manufacture, and low in cost. By adopting the growing device and the growing method provided by the invention, large-caliber flat LBO single crystal can be directly grown, the cutting difficulty of a crystal apparatus is reduced, the utilization rate of the crystal is obviously improved, the processing link is reduced, the growth period of the crystal is shortened, and the manufacturing cost is reduced.

The invention discloses an automatic garment conveying wardrobe rotating mechanism. The mechanism comprises a sliding slot, rotating bins, an identifier, a motor, connecting rods and a belt. The sliding slot is internally movably provided with the belt, the outer wall of one side of the belt is provided with a rack, connecting rodsare fixed tothe lower surface of the belt,identification blocksarefixed tothe outer walls of the connecting rods, the rotating binsare fixed to four corners of the inner wall of the sliding slot, the rotating binsareinternally rotatably provided with gears, the lower surfaces of the rotating binsare fixed to motor protective covers, motorsare fixed inside the motor protective covers throughmotor holders, the identifier is mounted on an inner wall of one side ofthe sliding slot,an identifier probe is fixed tothe lower surface of the identifier, and a controller is fixed to the inner wall of one side of the sliding slot. According to themechanism, the identification blocks on the different connecting rods can be identified by setting the identifier to control the motor to stop rotating, the connecting rods withspecific clothes hanging are stopped on one side of the sliding slot, and the effect of providing convenience for people to take out is achieved.

The invention discloses high-compaction spherical lithium iron phosphate, a preparation method and a lithium ion battery containing the high-compaction spherical lithium iron phosphate. The method comprises the following steps that 1) a carbon source, iron salt, phosphate salt and lithium salt mixed aqueous solution is prepared, and sand grinding is carried out until D50 is equal to 0.5-1 microns,and D90 is equal to 1.2-2.3 microns; 2) obtained precursor slurry is dried and granulated in a pressure type spray drying device, and the particle size of granulation is controlled to be as follows:D50 is equal to 4-8 microns, and D90 is equal to 10-25 microns; and 3) sintering is carried out under the protection of inert gas so as to obtain the high-compaction spherical lithium iron phosphate.According to the high-compaction spherical lithium iron phosphate, the preparation method and the lithium ion battery containing the high-compaction spherical lithium iron phosphate, the high-compaction spherical lithium iron phosphate is good in ductility, the compaction density of a prepared pole piece is 2.45 g/cm<3> or above, the problems that in the prior art, lithium iron phosphate preparedthrough a crushing technology in the current market is not easy to disperse in the homogenizing process, the efficiency is low, the solid content is low, the energy consumption is high and the like can be solved, and meanwhile, the problems that the compaction density of common spherical lithium iron phosphate is relatively low, and the integrity of a coated carbon film in the prior art is poor and is liable to fall off can be solved.

The invention provides a medical balloon and a preparation method of the medical balloon. The medical balloon comprises an inner layer and an outer layer, wherein the outer layer at least partially covers the inner layer, the inner layer has a first friction coefficient, the outer layer has a second friction coefficient, and the second friction coefficient is greater than the first friction coefficient. For the medical balloon, the falling problem of a stent is solved by changing the physical attribute of the surface of the balloon, the passing outer diameter of the balloon is not increased, processing and forming are also convenient, meanwhile, the frictional resistance suffered by the stent is relatively high, falling seldom occurs, and the breakdown resistance is good. Particularly, theinner layer of the medical balloon is made of a first material, the outer layer is made of a second material, the hardness of the second material is smaller than the hardness of the first material, the lower the hardness is, the higher the friction coefficient is, therefore, the outer layer formed by the material with relatively low hardness is beneficial for improving the frictional resistance between the balloon and the stent, thus the falling problem of the stent can be avoided, in addition, the structure is simple, and the processing is convenient.