62results about How to "Reduce complex process" patented technology

The present invention provides an optical interconnection assembly. The optical interconnection assembly comprises a PCB board, an IC chip with the PCB board as a carrier and a heat sink adhere to transition blocks and a VCSEL chip. The transition block includes a single-channel gold-plated layer and a multi-channel gold-plated layer, the single-channel gold-plated layer includes a whole top face gold-plated layer and a whole side face gold-plated layer connected with the whole top face gold-plated layer, and the multi-channel gold-plated layer includes multi-channel top face gold-plated layers which have top faces arranged at intervals and multi-channel side face gold-plated layers which are respectively connected with the multi-channel top face gold-plated layers with sides arranged at intervals; and the top of the heat sink is provided with a concave part, and when the transition blocks of the single-channel gold-plated layer or the multi-channel gold-plated layer is selected, two transitions on the range may be held, wherein the top face gold-plated layers on the transition blocks are connected with the IC chip through golden wires and the side face gold-plated layers on the transition blocks are connected with the VCSEL chip through the golden wires. According to the invention, the technical problem is solved that gold-plated layers are used for replacing a soft circuit or a lens conduction bending optical path, so that the manufacture is convenient, the cost is low and the yield of the products is improved.

The invention discloses a device for measuring the normal vector of a free surface at any point, including a longitudinal driving device, a longitudinal guide rail, a fixed frame, a hole making device, a longitudinal slide table, a transverse driving device, a rotating cylinder, a linear laser sensor, a transverse slide table and a transverse guide rail. The top end of the fixed frame is fixedly connected with the longitudinal driving device. The longitudinal guide rail is fixedly connected inside the fixed frame. The longitudinal guide rail is connected in a sliding manner with the matching longitudinal slide table. The hole making device is installed at the bottom end of the longitudinal slide table. The output end of the longitudinal driving device is fixedly connected with the top endof the longitudinal slide table. The bottom end of the fixed frame is fixedly connected with the transverse guide rail. The right side of the bottom end of the fixed frame is fixedly connected with the transverse driving device. The complex process of surface fitting is omitted. The problem that the precision of measurement of the normal vector will be affected when there is an interference factorsuch as a crossbeam or a step near a point to be measured for the mainstream rectangular surface patch method at present can be solved.

The invention belongs to the technical field of lithium ion battery cathode materials, and specifically relates to a preparation method of a lithium ion battery high-nickel cathode material. An oxidizing agent is added into precursor alkaline slurry prepared through a coprecipitation method for precursor pre-oxidation, then the pre-oxidized precursor is converted into a polycrystalline mixture byadjusting a drying process, and then the polycrystalline mixture and a lithium source are mixed in air or a low-oxygen-concentration mixed atmosphere to be sintered at a time to obtain a target product. According to the preparation method disclosed by the invention, alkali liquor can be recycled to realize precursor pre-oxidation, the sintering time and temperature are shortened, the residual alkali value is reduced, and the crystallinity of the material is improved. In the calcining process, oxygen demand is low, safety is good, and the method is more suitable for industrial large-scale production.

The invention relates to a preparation method for a magnetic microsphere type alumina carrier. The invention is characterized in that spinel ferrite magnetic core is roasted at the high temperature, ground into ferrite powder, processed with acid, then washed, dried, and dispersed into alumina sol, and then shaped into the magnetic microsphere type aluminum oxide carrier by an oil column.

The invention relates to a method for preparing a grease composition containing 1, 3-dioleic acid-2-palmitic acid triglyceride (OPO). According to the method, an industrial conventional product ST52 palm stearin of grease is taken as a raw material and subjected to sn-1, 3 directed ester exchange reaction with greatly excessive oleic acid mixture in the presence of enzymic preparations in batch, and separation and purification are performed to obtain the grease composition containing the OPO and recyclable fatty acid mixture.

The invention discloses a beam bar anchoring sleeve pre-embedded in a thin wall and a construction method of the beam bar anchoring sleeve pre-embedded in the thin wall. The beam bar anchoring sleeve comprises a unilateral thread sleeve body and a bilateral thread sleeve body. One side of the unilateral thread sleeve body is provided with an anchoring end plate. The sum of the length of the unilateral thread sleeve body and the thickness of the anchoring end plate is the same as the thickness of the concrete thin wall. The anchoring end plate is located on the side, opposite to the concrete thin wall, of a concrete beam. The bilateral thread sleeve body is located in the concrete thin wall. The length of the bilateral thread sleeve body is the same as the thickness of the concrete thin wall. The center position of the bilateral thread sleeve body is the same as the center position of concrete beam main bars on the two sides of the concrete thin wall. According to the beam bar anchoring sleeve, the anchoring end plate and the sleeve are welded into an anchoring whole, the defect that in a conventional construction process, when a beam bar is pre-embedded, two-end thread machining cannot be conducted due to an excessively short steel bar is overcome, the anchoring problem of a horizontal structural beam subsequently constructed in the thin wall is solved, and the beam bar anchoring sleeve can be widely applied to the process that nodes are pre-embedded in a beam bar when a shear wall is not synchronous with the concrete beam in the construction process.

The invention discloses an integrated insulator. The integrated insulator includes an insulator, a bolt, a spring seat, a contact spring and a pull bar, wherein the lower end of the bolt is a screw with an external thread, and the upper end of the bolt is a polygonal head; a first groove is formed in the polygonal head of the bolt; the lower end of the insulator is received in the first groove; the upper end surface of the insulator is provided with a second groove; the spring seat is fixed in the second groove; the spring seat is provided with a spring mounting hole; the contact spring is installed in the spring mounting hole, and the lower end of the contact spring is fixed at the bottom of the spring mounting hole; and movement of the lower end of the pull bar is limited in the spring mounting hole and is fixedly connected to the upper end of the contact spring. The integrated insulator fixes the contact spring and the pull bar by means of cooperation of the lock nut and the insulator, and satisfies the characteristic that the insulator is small in size. The axial positioning of the pull bar and the bolt is to utilize mutual cooperation between the pull bar, the spring and the spring seat, so as to satisfy the coaxiality of the pull bar and the bolt, and the number of parts and the complex machining processes of the parts are reduced.

The invention discloses a preparation and trimming method of a laser near-net forming structured diamond excircle grinding wheel. The preparation and trimming method comprises the following steps thatdiamond and metal bonding agent powder are mixed in a material mixing bottle according to a certain mass fraction ratio, are subjected to ball grinding, are screened by a screening mesh, and are putinto a drying box for drying; a segment with a bright and clean to-be-machined metal matrix is obtained; diamond grinding material mixed powder obtained after drying is added into a powder feeding device; the segment with the bright and clean to-be-machined metal matrix is subjected to laser near-neat forming machining of a diamond grinding tool according to certain laser technology parameters andscanning paths, and the obtained segment is reinstalled in the excircle grinding wheel; the excircle grinding wheel is subjected to sharpening treatment; and the excircle grinding wheel after the sharpening treatment is trimmed by combination of a steel block and an oilstone. The machining time is saved, the machining cost is reduced, a required grinding wheel structure can be flexibly machined out, relative distribution positions of diamond grinding particles are effectively controlled, the flowability of cutting scraps is improved, cutting force is reduced, and the cutting temperature is lowered.

The invention discloses a composite biological preservative fresh keeping agent based on epsilon-polylysine-containing fermentation liquid. Each 100ml of the composite biological preservative fresh keeping agent comprises an epsilon-polylysine-containing microbial fermentation supernatant with the addition quantity meeting the following requirements that the content of epsilon-polylysine is 0.05-0.3g, the content of L-malic acid is 0.5-2g, the cotnent of L-lactamic acid is 0.05-0.5g, the content of natamycin is 0.05-0.3g and the balance of water. According to the composite biological preservative fresh keeping agent based on epsilon-polylysine-containing fermentation liquid, the epsilon-polylysine-containing microbial fermentation supernatant is directly used for preparation, and a complextechnology for separation and extraction of a biological preservative namely epsilon-polylysine is omitted, so that the cost of the biological preservative is greatly reduced. The method is simple and easy to operate. Experiment proves that the made composite biological fresh keeping agent is better in bacterial effect than a contrast group of directly adding pure epsilon-polylysine.

The invention discloses a tank body, a composite hydraulic module unit and a heat pump system, wherein the tank body comprises a top cover, a base plate and side plates; the base plate and the top cover are arranged oppositely; the lower ends of the side plates are matched and connected with the base plate in an insertion manner; the upper ends of the side plates are connected with the top cover through clamping hooks; or the upper ends of the side plates are matched with the top cover in an insertion manner; and the lower ends of the side plates are connected with the base plate through the clamping hooks. According to the tank body disclosed by the invention, one end of each side plate is matched and connected with the base plate (or the top cover) in an insertion manner; the other end of each side plate is connected with the top cover (or the base plate) through the corresponding clamping hook; thus, when a worker needs to maintain a component inside the tank body, the worker can implement dismounting of the side plates by firstly opening the clamping hooks and subsequently lifting up (or pulling down) the side plates, or implement mounting of the side plates, and thus a complexprocess for dismounting screws is canceled, and the overall dismounting process is more convenient.

The invention relates to a medical combined operation drill bit; the operation drill bit is a rod-shaped body, wherein a spherical drill bit is arranged at one end of the rod-shaped body, and a connection handle is arranged at the other end of the rod-shaped body; two different types of cutting edges are arranged on the spherical drill bit and are positioned in different areas of the spherical drill bit and along the axial direction of the rod-shaped body; a first edge area is arranged at the front part of the spherical drill bit and occupies 1/5 to 4/5 of the spherical drill bit; a second edge area is arranged at the rear part of the spherical drill bit and occupies 2/3 to 4/5 of the spherical drill bit; a grinding edge or a cutting edge is arranged on the first edge area; and a cutting edge or a grinding edge is arranged on the second edge area. The medical combined operation drill bit can be used not only for punching osseous tissues in operations but also for cutting and polishing osseous tissues in operations, solves the problem that operation drill bits with simplex functions are replaced repeatedly during operations, saves a great amount of time wasted for replacement of drill bits, protects adjacent important nerves and blood vessels and effectively reduces clinical risks.

The invention discloses a novel construction process for an EPS (expandable polystyrene) geotechnical block of an onshore wind power plant. The process comprises the following steps of placing and fixing a pin in the center of the bottom surface of a foundation pit, then placing a cut EPS block in the center of the bottom surface of the foundation pit, and laying fine aggregate concrete around thebottom of the EPS block; pouring a cushion layer and maintaining the cushion layer; correspondingly carrying out different connection fitting mounting modes on a foundation ring and a pre-stressed anchor bolt type foundation due to different connection modes of the foundation and a tower cylinder; and laying a template, binding steel bars around the block, carrying out encryption, laying a pipeline, pouring concrete, carrying out maintenance, and filling soil for burying after the maintenance is completed. Compared with a traditional onshore fan construction process, the novel construction process for the EPS block has the advantages that the prefabrication, laying and welding work of an original foundation ring support is innovated, and a cushion layer construction mold and a construction mode are improved, so that the construction precision and efficiency are guaranteed.

The embodiment of the invention discloses a smooth rectangular soldering tin sheet preparation system and a preparation method. The preparation system comprises a pushing and extruding mechanism, a heating device, a rectangular hole mold and a shearing mechanism which are sequentially arranged from left to right, wherein a feeding port for placing a tin column for micro-softening is formed in the portion, on the pushing and extruding mechanism side, of the heating device, the rectangular hole mold is fixed to the heating device, a discharging port is formed in the side, on the shearing mechanism, of the rectangular hole die, the discharging port is communicated with the feeding port; the pushing and extruding mechanism comprises an extruding shaft for extruding the tin column from the heating device to the rectangular hole die, wherein a feeding mechanism for guiding a formed rectangular tin welding wire to the shearing mechanism is further arranged between the heating device and the shearing mechanism. According to the invention, a tin material is heated to a micro-softening stage, extrusion forming is carried out by the pushing mechanism and the rectangular hole mold, and in addition, automatic cutting and connecting production is carried out by combining the shearing mechanism, so that a phenomenon of uneven appearance of a soldering tin sheet caused by the existing production mode is improved, and the piece placing stability of SMT equipment during production is improved.

The invention relates to the technical field of electronic device manufacturing and particularly relates to an electronic device and a method for inlaying a decoration component in the electronic device. The electronic device comprises a shell, a function part and the decoration component. The function part is mounted in the shell. The function part comprises a function area, a containing space and a limiting part. The function area is used for operating the electronic device. The containing space is located outside of the function area and comprises an opening. The containing space is communicated with the outside world through the opening. The decoration component is contained in the containing space. The limiting part is located outside of the opening and is used for compressing the decoration component. According to the scheme, a metal card tray is eliminated, a complicated technology of processing the metal card tray is eliminated, and the processing cost is saved.

The invention discloses a low-temperature environment-friendly method for preparing an in-plane porous few-layer graphene material. The method comprises the following steps: mixing a carbon source, a grinding agent and grinding balls, and grinding with a ball mill; the carbon source is a transition metal organic compound; the grinding agent is a cubic structure crystal with water solubility; under a protective atmosphere, carrying out heating carbonization treatment on the obtained material; adding an acid solution into the obtained material, and washing off metal; and washing and drying the obtained material to obtain the in-plane porous few-layer graphene. The preparation method is simple and easy to implement, small in pollution, low in cost and high in efficiency, the prepared few-layer graphene has a rich in-plane porous structure, the number of layers is 2-20, the specific surface area is 50-1000 m < 2 >/g, the pore diameter is 1-40 nm, and the few-layer graphene can be applied to the fields of conductive agents, catalyst carriers, batteries, supercapacitors, high-performance transistors, sensors and the like.

The invention relates to the technical field of coatings, in particular to an anticorrosion light reflecting coating. The anticorrosion light reflecting coating comprises, by weight, 30-35 parts of rosin resin, 25-30 parts of polyamide resin, 20-25 parts of ethylene glycol ethyl ether acetate, 10-15 parts of zinc borate, 6-9 parts of polybenzimidazole, 9-13 parts of ultraviolet light absorbers, 2-6 parts of nickel oxide, 3-7 parts of manganese oxide, 1-4 parts of magnesium oxide, 9-14 parts of organic pigments and 2-5 parts of plant insect-resistant bacteriostatic agents. The anticorrosion light reflecting coating can absorb ultraviolet rays to reflect light and change color, is better in durability and low in manufacturing cost and takes pure-natural plant raw materials as corrosion inhibitors, so that the coating is free from toxicity, environmentally friendly and safe to use.