57results about How to "Omit processing" patented technology

The invention provides a novel light emitting diode (LED) encapsulation structure which directly adopts a silicon dice substrate as both a surface mounting bracket and a radiation channel of an integrated structure support of an LED chip; a front electrode connecting layer is arranged on the front surface of the silicon dice substrate; the front electrode connecting layer on the front surface of the silicon dice substrate is connected with an electrode metal bonding pad at the back of the silicon dice substrate through a lead of a silicon groove side-wall or a lead of a through-hole of the silicon dice substrate; and at least one LED chip is welded directly by flip-chip on the front electrode connecting layer of the silicon dice substrate with an optical source through a metal bump. The invention also provides a method for manufacturing the LED encapsulation structure. The invention avoids steps of die bonding and gold-wire welding and enhances the connection reliability of chips and especially the connection reliability of multi-chip modules; and the invention leads the encapsulation of high-power LED and especially the encapsulation of multi-chip module to be miniaturized and also leads power-supply drive and circuits of LED protection and the like to be integrated on the silicon dice so as to provide a systematic and integrated encapsulation proposal for high-power LED illumination.

The invention relates to a birotor for a continuous mixing extruding granulating set, in particular to a rotor for a continuous mixing extruder; each rotor is provided with a feeding section and a mixing section; the mixing section consists of positive multi-edge screw and negative multi-edge screw; an integral structural rotor greatly improves the rigidness of the rotor and simultaneously omits the processing of a core shaft. The feeding section adopts engaged multiple threads or semi-engaged multiple threads to carry out compulsory feeding on materials; the mixing section consists of a positive section of multi-edge screw and a negative section of multi-edge screw; the positive section pushes the materials forwards; while the negative section leads the materials to move backwards and to be ceaselessly extruded, cut, dispersed, mixed and pushed in a plurality of relatively independent mixing spaces. The birotor of the invention has extremely high mixing and plasticizing actions; the ratio of long diameter is usually smaller than 12; the birotor of the invention can be broadly applied to a continuous mixing extruding granulating system for the materials with thermoplasticity or high viscosity or for pasty materials.

The invention discloses a method used for preparing probiotic preparations by using vitamin B2 fermentation liquid waste. The method comprises following step: 1) the pH value of the vitamin B2 fermentation liquid waste is adjusted; 2) probiotic strain is added into the vitamin B2 fermentation liquid waste for fermentation, and fermentation is stopped when the pH value of the fermentation broth reaches 5 or the amount of probiotic or spore reaches a certain value; 3)the fermentation broth is subjected to centrifugal separation so as to collect probiotic or spore; and 4) probiotic or spore is subjected to vacuum drying so as to obtain the finished products. According to the method used for preparing probiotic preparations by using vitamin B2 fermentation liquid waste, probiotic strain is inoculated directly, processes of preparation and high-temperature disinfection of medium are avoided, technological process is shortened, discharge is not increased, work efficiency is increased, production cost is reduced, labor and raw materials are reduced, and energy saving and emission reduction are realized. The probiotic preparations prepared by using the method can be added into forage so as to realize disease prevention and treatment, and increase utilization rate of forage; and is capable of taking place of antibiotic.

The invention relates to a processing technique of valve parts in a ball valve with a hard seal structure. The processing technique is characterized by comprising the following work procedures of: firstly, turning a channel hole; secondly, boring an upper valve shaft hole and a lower valve shaft hole; thirdly, boring two lateral surfaces and a process spigot; fourthly, drilling and taping process threaded holes on two lateral surfaces; fifthly, planning a key groove; sixthly, roughly processing a spherical surface and a surfacing groove; seventhly, surfacing a hard alloy material in the surfacing groove; and eighthly, finishing the spherical surface. According to the invention, due to the adoption of the processing technique, processing work procedures of boring process threaded holes on the upper end face, the lower end face and two end faces at the valve shaft holes are omitted; the time of shifted clamping is saved and the processing period of the part is enabled to be shortened by 2-3 days; when the spherical surface is finished, the processing track of a cutter comprises a single soft surface and a hard surface; and for two processing surfaces, cutters with different hardnesses can be adopted so as to reduce the impact to the cutters and a machine tool, prolong the service lives of the cutters and ensure the processing finish of the spherical surface. Compared with the prior art, the processing technique has the characteristic that tooling equipment dispenses with a positioning disk and a positioning sleeve, thereby saving the manufacturing expense of a mould.

A flexible tape is prepared for setting a contact roller and counting unit of contact roller as well as counting display unit in tape box, fitting tap belt closely on contact roller, making surface of contact roller move in the same linear speed when tape belt is moved, using contact roller counting-unit to record movement of contact roller and presenting recorded movement to user by counting display unit.

The invention belongs to the field of biotechnology, and particularly relates to a bacillus subtilis for producing chitosanase and application thereof. The chitosanase produced by the bacillus subtilis has high yield and strong enzyme activity, and has a different protein structure from ordinary chitosanase, and provides a new idea for in-depth study of chitosanase molecule mechanism. The ordinarychitosanase has good activity only when the ordinary chitosanase is in weakly alkaline to weakly acidic conditions, and the chitosanase found in the invention has better performance in weak alkaline,neutral, weakly acidic and relatively strong acidic conditions. At the same time, the chitosanase discovered in the invention can not only act on soluble chitosan but also on insoluble high-poly chitosan, omitting pre-treatment of chitosan degradation; final reaction products are dipolyglucosamine and tripolyglucosamine, the bacillus subtilis for producing the chitosanase is simple in composition, is convenient for subsequent further processing applications, and greatly saves production costs.

The invention relates to a cracking method machining technology of an engine connecting rod. A large-end hole machined in a connecting rod blank is a round hole; the connecting rod blank where the large-end hole is machined is separated into a connecting rod body and a connecting rod cover in a cracking manner; the joint faces of the connecting rod body and the connecting rod cover are cracking faces which are not subjected to cutting machining; and connecting and locating between the connecting rod body and the connecting rod cover are achieved through engagement of the joint faces of the connecting rod body and the connecting rod cover. A connecting rod cracking device for connecting rod cracking comprises a vertical rack and a workbench mounted on the vertical rack, and further comprises an upper machine head and a lower machine head. The upper machine head is provided with an upper wedge part and an upper cracking pushing force mechanism used for driving the corresponding wedge part to move up and down, and the lower machine head is provided with a lower wedge part and a lower cracking pushing force mechanism used for driving the corresponding wedge part to move up and down. Extrusion force formed by opposite movement of the upper edge part and the lower wedge part is used for achieving connecting rod cracking. By means of the method of the technology, the cracking difficulty is reduced, the quality of the connecting rod obtained after cracking is guaranteed, production procedures and manufacturing cost are reduced, and good economical benefits are achieved.

The invention discloses a rare earth sulfide colorant and a preparation method thereof. The chemical formula of the rare earth sulfide colorant is RE2-2xS3-3x.2y[REPO4], wherein RE is one or more of La, Ce, Pr, Nd and Sm, and the ratio of y to x is 0.001-0.65. The invention further discloses application of a phosphorous compound to the improvement of color brightness of the rare earth sulfide colorant.

The invention relates to an energy saving device for using waste heat of a power plant for urban centralized heat supply and an energy saving method of the energy saving device. According to the structure of the energy saving device, a steam exhaust opening of a power plant turbine is cooled through a power plant cooling system, a heat supply main heat exchanger is arranged on a heat supply primary network, and a heat source inlet of the heat supply main heat exchanger is connected with a steam extraction opening of the power plant turbine; the steam exhaust opening of the power plant turbine is connected with an inlet of a condenser; a hot water heat exchange channel is formed in the condenser, a primary network water return pipeline is connected with an inlet of the hot water heat exchange channel, and an outlet of the hot water heat exchange channel is connected with an inlet of the heat supply main heat exchanger through a heat supply main circulating pump; uncondensed waste steam of the condenser is cooled through the power plant cooling system. The energy saving device enables a steam condensing system of the power plant and an urban concentrated heat supply system to be combined in a high degree, a steam condensing device of the power plant is transformed, system waste heat which is originally exhausted to the atmosphere is recycled as much as possible, in this way, the comprehensive heat efficiency of the power plant is improved, power generation energy consumption is lowered, and part of the heat source problem of urban heat supply is solved.

Disclosed are a rolling-element bearing unit and a wheel bearing assembly including rolling-element bearing unit. The rolling-element bearing unit is especially used for a wheel bearing assembly of avehicle. The rolling-element bearing unit includes a rolling-element bearing with a bearing outer ring and a bearing inner ring, wherein a bearing interior is defined between the bearing outer ring and the bearing inner ring and rolling elements are arranged in the bearing interior. The bearing inner ring has a bearing inner ring surface facing the bearing interior and axial end surfaces includingaxial ends. The rolling-element bearing unit also includes a first seal assembly, which is fixed to the bearing outer ring through a retainer and supports a seal element that seals against the bearing inner ring surface or against a slip sleeve carried by the bearing inner ring, and the first seal assembly seals the bearing interior. The retainer is configured to be an angle metal plate element having an axially extending annular leg and a radially inwardly extending annular flange, the radially inwardly extending annular flange extending beyond the bearing inner ring surface.

The embodiment of the invention provides a method and system for processing repeated rapid operations. The method comprises the steps that on the basis that a new task is added into a task list, at least a current task is inquired, wherein the new task and the current task act on the same system resource; when the current task is consistent with the new task, the current task is executed continuously, and the current task in the task list is modified to be the new task. According to the method and system for processing the repeated rapid operations, on the basis that the new task is added into the task list, at least the current task is inquired, when the current task is consistent with the new task, the current task is executed continuously, the current task in the task list is modified to be the new task, and therefore processing on intermediate steps can be omitted, the processing efficiency is improved, and when the method and system are further embodied in a UI, the user experience can be improved.

The invention provides a marine platform air compressor fault diagnosis method and belongs to the technical field of marine engineering equipment fault diagnosis. According to the marine platform aircompressor fault diagnosis method, marine platform air compressor monitoring signals are firstly divided into three types of temperature signals, pressure signals and mechanical signals, and marine platform air compressor signal collection points are provided with data sensors correspondingly to collect working signals; linear filtering method Kalman filtering is used at a data processing stage torealize multi-sensor data fusion, and fused data are further divided into a training set, a verification set and a test set; and after logical construction is performed on a Rattan Bayesian classifier, likelihood probability control parameters are optimized by the training set data, the complete marine platform air compressor fault diagnosis method is finally obtained, and fault diagnosis can berealized after importing actually-measured data.

The invention provides a depth camera device used for a mobile communication device. The depth camera device comprises an infrared emitter module which is configured to emit infrared light in a first wavelength range; and an infrared camera module which is configured to obtain image light and generate a depth image. The infrared camera module comprises an imaging lens which is configured to capture the image light, a first antireflection film being formed on the surface of the imaging lens, wherein the first antireflection film is used for enhancing transmitting intensity of the light in the first wavelength range; and a black-and-white image sensor which is configured to be aligned with the imaging lens and receive the image light from the imaging lens directly without passing through any light filter, and the black-and-white image sensor responds to the full-waveband image light directly received from the imaging lens and generates electrical signals. The depth camera device can improve photosensitive performance of the image sensor on the infrared light, saves power consumption, accelerates data acquisition speed and simplifies processing flow.

The invention provides a mounting structure of an air valve seat ring, which is characterized by comprising an air cylinder cover, an air channel arranged in the air cylinder cover, and a pre-cast air valve seat ring which is pre-arranged at a jointing part of the air channel and an engine combustion room, wherein the air valve seat ring is made of a metal material and is commonly manufactured by a power metallurgy process.

The invention discloses a preparation method of a medicinal polyvinylpyrrolidone with high molecular weight, which belongs to the fields of medicine chemical industry and synthetic polymer technology. The method concretely the following steps: putting water, N-vinyl pyrrolidone (NVP) and initiator into a reaction vessel in order, stirring and heating, generating a polymerization of NVP, after the reaction ends, filtering the polymer fluid, drying and crushing, and obtaining the finished product. The invention has the beneficial effect that, adsorption and ultrafiltration or the like are not needed for refining the polymer fluid, therefore the energy consumption of drying added for greatly dilution of the high viscosity polymer fluid which is used for improving refining efficiency and yield is avoided, simultaneously a lot of waste water generated in adsorption, ultrafiltration and other refining methods is avoided, thereby saving the waste water treatment process matched thereof. The invention employs continuous low temperature drying and crushing, thereby substantially improving production efficiency and protecting the product quality.

The invention provides a siphon air-cooling tower-type solar thermal power generation device with an exhaust valve. The siphon air-cooling tower-type solar thermal power generation device is composed of a reflecting mirror array, a vertical tower, a tower-top heat collector, a steam turbine and a cylindrical condenser, wherein the bottom and the upper end of the cylindrical condenser respectively comprise an air inlet channel and an air outlet channel; an exhaust-steam condenser is arranged in the cylindrical condenser; and the air inlet channel, the interior of the cylindrical condenser and the air outlet channel constitute an air channel. The siphon air-cooling tower-type solar thermal power generation device is characterized by comprising an automatic valve at the top end of the exhaust-steam condenser. The siphon air-cooling tower-type solar thermal power generation device has the beneficial effects that the air inlet channel, the interior of the cylindrical condenser and the air outlet channel constitute the air channel and a siphon effect is used to realize forced air cooling. Compared with water cooling, the forced air cooling has the advantages of no need of power and cooling water, greatly reduced investment and site selection conditions, capabilities of saving operation cost and high reliability. The automatic valve is arranged at the top end of the exhaust-steam condenser, and the outer end of the automatic valve is communicated with a negative pressure source so as to remove noncondensable gas in the steam turbine. Four embodiments are presented with combination of attached drawings.

The invention provides phosphorus-doped porous graphene, a preparation method thereof and a method for catalyzing oxidation of benzylamine. The phosphorus-doped porous grapheme is prepared from the steps that templating agent and a dispersion containing organic carbon and a phosphorus source are mixed, solvent in the mixed solution is removed to obtain a mixture, the obtained mixture is calcined for 2-5 hours at the temperature of 200-700DEG C under an inert atmosphere protection, then the templating agent is removed by means of acid washing to obtain the phosphorus-doped porous graphene. The method for catalyzing oxidation of benzylamine comprises the following steps that the phosphorus-doped porous graphene or the mixture of the templating agent and the phosphorus-doped porous graphene are used as a catalyst and are reacted with benzylamine under the action of oxidizing agent to obtain N-benzylidenebutyramide. According to the phosphorus-doped porous graphene, the preparation method thereof and the method for catalyzing oxidation of benzylamine, the templating agent is used for controlling the morphology, meanwhile, the organic compounds containing carbon and phosphorus are used as a carbon source and a phosphorus source, and the phosphorus-doped porous graphene is synthesized directly by means of calcination, therefore, the preparation method has the advantages of being quick, convenient and fast, and being capable of being synthesized in one step, prone to large-scale production and so on.

In a forging mold, in a step of molding a pulley shaft of a continuously variable transmission in which a shaft portion, a conical pulley portion, and a parking gear disposed on a rear surface side ofthe conical pulley portion are integrally manufactured by forging, a tooth crest of the parking gear is filled with a material. A mold (100) comprising upper and lower molds (104, 106) is provided with a release space (120) which extends outward in the radial direction of a pulley section and through which flashes flow out. The release space (120) has a first space formed radially outward of thetooth crest of the parking gear and a second space formed radially outward of the tooth bottom of the parking gear, and the flow resistance of the flash of the first space is set to be greater than the flow resistance of the flash of the second space.

The embodiment of the invention belongs to a big data technology in the field of Internet, and relates to a data display method, which comprises the steps of obtaining at least three numerical valuesselected by a user for a to-be-displayed object, and each numerical value corresponding to an attribute label; receiving different levels of reference quantities set for each attribute tag by the user, the maximum reference quantity of each attribute tag being greater than or equal to the respective corresponding received maximum value; generating a radar map according to the at least three valuesand the reference quantities of different levels of each attribute tag, wherein the radar map comprises at least three coordinate axes which correspond to the at least three attribute tags, are basedon the same starting point and have the same included angle, each coordinate axis comprises marking points corresponding to different levels of reference quantities of the attribute tags, and the colors of the marking points of the levels of reference quantities of the attribute tags, the colors of the connecting lines and the diameters of the connecting lines are different from one another; anddisplaying the radar map through a display interface. The invention further provides a data display device, a computer device and a storage medium.

The invention discloses a system for recycling waste heat of a nuclear power plant. The system comprises a nuclear power plant steam condenser (1) and further comprises a heat pump system (2) and a heat use system (3). The cooling water output end of the steam condenser (1) is connected with the input end of the evaporation side of the heat pump system (2), and the cooling water input end of the steam condenser (1) is connected with the output end of the evaporation side of the heat pump system (2). The hot water supply input end of the heat use system (3) is connected with the output end of the condensation side of the heat pump system (2), and the hot water supply output end of the heat use system (3) is connected with the input end of the condensation side of the heat pump system (2). The heat pump system is directly connected with a cooling water way of the steam condenser, closed circulation of cooling water is achieved, on one hand, recycling of the heat is achieved, and on the other hand, output of the heat is reduced, and heat pollution to the environment is avoided.

The invention relates to a circular pipe forming method, in particular to a welding-free circular pipe forming method. The forming method includes forming a punch forming plate in one step by the aid of a punching machine; subjecting a one-step formed product to first-time punch forming by the aid of a first-time punch forming device; and then subjecting a first-time punch formed product to second-time punch forming by the aid of a second-time punch forming device. The welding-free circular pipe forming method has the advantages that the forming method is cost-saving (the circular pipe is substituted by a low carbon steel plate) and free of machining process, so that a die becomes simple in structure; welding is substituted by riveting process, so that production cost in manufacturing is lowered, sizes are kept constant, while thermal deformation in the welding is avoided; and besides, the welding-free circular pipe forming method is simple to operate and can improve efficiency.

A vehicle control system that comprises: an imaginary-line-establishing unit that, on the basis of the location of a gate, establishes an imaginary line on the near side of the gate; and a gate-passage control unit that, on the basis of the imaginary line established by the imaginary-line-establishing unit, performs vehicle control during passage through the gate.

A method for manufacturing a pulley shaft for a belt-type continuously variable transmission in which a shaft section, a conical pulley section, and a parking gear disposed on the rear surface side ofthe conical pulley section are integrally manufactured by forging, the parking gear section being filled with a material in a finish machining step in which the pulley section and the parking gear are formed. A preparation step for forming a conical pulley preparation section (14c) having an apex angle (theta1) smaller than the apex angle (theta3) of the cone of the pulley section (120) is performed before the finish machining step for forming the conical pulley section (120) and the parking gear (130).