20results about How to "Avoid process problems" patented technology

The invention relates to the technical field of automobile parts, and particularly discloses an anti-oxidation corrosion-resistant automobile air-inlet grille and an electroplating process thereof.The anti-oxidation corrosion-resistant automobile air-inlet grille is prepared from phenoxy-terminated siloxane modified polycarbonate, ABS resin, a modified LDHs antioxidant, a compatilizer ABS-g-MAH and a lubricant ethylene bis stearamide through melt blending, extrusion granulation and injection molding. And a copper layer, a nickel-phosphorus layer and a cobalt-chromium layer are further electroplated and deposited on the automobile air-inlet grille, and the anti-oxidation and corrosion-resistant automobile air-inlet grille is formed.

The application relates to an LED light-emitting module, an LED packaging structure and a related manufacturing method, and relates to the technical field of semiconductor light emission. Each light-emitting diode chip is packaged in advance, a plurality of annular grooves are formed in the first packaging layer, each annular groove surrounds a corresponding light-emitting diode chip, a magnetic adsorption structure is formed in each annular groove, the magnetic adsorption structure is embedded into a plurality of second grooves, the peeling of the magnetic adsorption structure can be effectively avoided, the magnetic adsorption structure is magnetized, the above magnetic adsorption structure can realize the detachable connection of the light-emitting diode chip and the circuit substrate, the printing of solder and the reflow soldering process can be avoided, the manufacturing cost is greatly reduced, and since the light-emitting diode chip and the circuit substrate are detachably connected, the removal of a defective light-emitting diode chip is facilitated, and the repair of the light-emitting module can be smoothly realized.

The utility model relates to the technical field of three-way valves, and discloses a spherical ceramic three-way valve which comprises a valve body and an arranged ball valve. The lower portion of an inner cavity of the fixing ring plate is rotationally connected with a limiting concave plate, a limiting groove is formed in the top of the limiting concave plate, a rotating shaft is installed at the bottom of the limiting concave plate and connected with the ball valve, and a driving motor is installed over the fixing ring plate; the top of the second fixing base is connected with an annular rotating handle, the top of the second fixing base is connected with a second limiting protruding plate, and a second limiting protruding block is installed at the bottom of the second limiting protruding plate. According to the spherical ceramic three-way valve, a driving motor is separated from a fixing ring plate, a second fixing base is placed in an inner cavity of the fixing ring plate and then attached to a limiting concave plate, a second limiting convex plate is inserted into a limiting groove, an annular rotating handle drives the second limiting convex plate and a second limiting convex block to rotate in the fixing ring plate, and the second limiting convex block drives the limiting concave plate to rotate; and the rotating shaft drives the ball valve to rotate.

The invention relates to a composite foil manufacturing system and application thereof.The composite foil manufacturing system comprises an unwinding system which is of a winding and unwinding integrated structure and is used for unwinding a multi-layer composite material which comprises a functional base material, and at least one side surface of the multi-layer composite material comprises an adhesive layer and a release film; the foil generating system comprises a cathode roller and is at least used for generating a foil layer; the compounding system is used for compounding the functional base material, the adhesive layer and the foil layer to prepare a composite foil intermediate; the composite foil passing rollers are at least used for conveying; the passivation system comprises a first passivation device containing a first passivation solution, and is used for performing first passivation treatment on the composite foil intermediate, and during the first passivation treatment, the single-side foil layer is used as a liquid layer to be in contact with the first passivation solution, or is further used as an isolating layer to isolate the first passivation solution from the adhesive layer and the release film on the back side; and the winding system is at least used for winding the composite foil. The system is low in equipment cost, small in occupied area, capable of achieving integration of foil generation and compounding and improving the oxidation resistance of the composite foil, and wide in application prospect.

The invention discloses integrated wearable monitoring equipment and a manufacturing method thereof, and belongs to the technical field of wearable health monitoring. The device comprises a flexible substrate, a microfluidic sweat collection layer, an optical sensing unit, a temperature-sensitive color-changing layer and a flexible transparent packaging shell. The micro-fluidic layer is used for collecting and guiding sweat to a detection area in which a color developing reagent is preset; the temperature-sensitive color-changing layer is attached to the surface of the skin; and the optical sensing unit respectively realizes simultaneous monitoring of sweat components and body temperature by sensing color changes of the detection area and the temperature-sensitive layer. Ambient light is used for working, an external power supply is not needed, and true passive sensing is achieved; the two-parameter monitoring function is integrated into a single system through the optical principle, the structure is simplified, cost is low, wearing is comfortable, and the system is suitable for long-term and continuous non-invasive monitoring of the human health state.

The application relates to the technical field of plastic processing, and discloses a plastic melting uniformity analysis method and system. The method comprises the following steps: collecting fluctuation of a supply amount and material distribution data, obtaining a temperature deviation fluctuation interval and a material abnormal distribution graph; combining the temperature deviation and a dynamic disturbance frequency to judge a fluctuation type and generate temperature distribution abnormality prediction data; extracting key features from the temperature distribution abnormality prediction data to determine a plastic flow characteristic change trend; integrating dynamic characteristic data to evaluate the influence degree of a melting process on uniformity; quantifying a shear rate mutation response based on the influence degree to adjust a melting time fluctuation interval parameter; generating a uniformity distribution graph through multi-scenario simulation to determine a product quality quantization index; generating an adjustment strategy according to the index and iteratively optimizing the adjustment strategy to finally determine melting process control parameters. The application solves the problems of poor melting uniformity and control lag caused by disturbance coupling, and improves the stability of a plastic melting process and the consistency of product quality.

The waste discharging device and the stamping die device provided in the embodiments of the present disclosure include a main body provided with a waste outlet and a waste storage part. The waste storage part is communicated with one end of a waste output channel extending upward and downward through the waste outlet, and the other end of the waste output channel forms a waste inlet. A blocking piece is movably arranged above the waste storage part to form a storage space for storing waste between the waste storage part and the blocking piece. At least one sensor is arranged in sensing cooperation with the blocking piece to generate a trigger signal when the blocking piece is located at a preset position. A discharging mechanism is arranged corresponding to the waste storage part and is in communication connection with the sensor, and is configured to perform a cleaning action on the storage space in response to the trigger signal to remove the waste in the storage space. The discharge and cleaning of the waste can be completed without manual intervention, greatly reducing the downtime of the equipment caused by waste blockage or residue.

The application relates to the technical field of industrial manufacturing, and discloses a method and system for improving the completion parameters of understanding user input, which comprises the following steps: inputting an industrial standardized file, generating a semantic label, reasoning through the industrial standardized file and the semantic label, obtaining an optimized industrial standardized file, and obtaining an industrial rule set and a text parameter set input by a user. The application realizes accurate semantic label generation based on a WordNet synonym set, solves the polysemy ambiguity problem, calculates the similarity between a candidate parameter and a user conversation through an improved Levenshtein distance algorithm and a compensation mechanism, accurately captures the potential demand of the user, improves the consistency with the actual input intention of the user, multiplies the initial weight value, the click rate and the time decay factor to sort the candidate parameters, balances the instant production demand and the historical experience in the industrial scene, and significantly improves the accuracy, adaptability, efficiency and interpretability in four dimensions.

The present application relates to a system and method for drilling and grouting simultaneously while drilling in complex strata in a coal mine, belonging to the technical field of drilling in a coal mine, in which drilling fluid is used for drilling, and when serious hole collapse or fissure loss of drilling fluid is encountered, the drilling fluid is converted into grouting fluid on site, grouting is carried out, and a hole mouth pressure bearing device is matched to enable pressure operation, realizing drilling and grouting simultaneously, and the pressure operation can balance part of the stratum pressure / stratum collapse pressure, reducing the degree of hole collapse during drilling, thereby improving the hole completion rate and hole completion depth. Compared with the prior art, the present application uses pressure operation in the hole during drilling, realizes high-pressure grouting, improves the grouting reinforcement effect, can realize drilling and point grouting, can also realize multiple grouting, solves the hole collapse problem during directional drilling in complex strata in a coal mine, and no longer needs multiple reaming, multiple drilling and reaming, avoiding the defects and deficiencies of the existing grouting process.

This invention belongs to the field of electrode material technology, specifically relating to a multi-level nanostructure, dual-phase Co-Li4Ti5O 12 / TiO2 / C composite material, its preparation method, and its application. The composite material also contains the spinel phase Li4Ti5O. 12 The composite material is composed of anatase TiO2, doped with Co, and coated with a carbon layer. The preparation method of the composite material is as follows: Titanium, lithium, and cobalt sources are dissolved in anhydrous ethanol to obtain solution A; a carbon source is dissolved in water to obtain solution B; solution B is added dropwise to solution A; after the hydrothermal reaction is completed, the mixture is treated and calcined to obtain a multi-level nanostructured, two-phase interface composite material. The multi-level nanostructured, two-phase interface Co-Li4Ti5O2 composite material provided by this invention... 12 The preparation method of / TiO2 / C composite material is simple and low-cost. Applying the composite material to lithium-ion batteries can improve the chemical performance of the batteries and extend their lifespan.

The utility model belongs to the technical field of oxidation diffusion furnace, concretely relates to an oxidation diffusion furnace exhaust device, including oxidation diffusion furnace main part, the outlet port department of the top left side edge of oxidation diffusion furnace main part is fixed with the exhaust pipe, the outside fixed of exhaust pipe has the exhaust tank, the both ends outlet port department of exhaust tank all are fixed with the outlet pipe, the bottom of exhaust tank is fixed in the top of oxidation diffusion furnace main part through two symmetrical support rod fixed connection, the utility model discloses an oxidation diffusion furnace exhaust device, when needing to replace the filter screen of left side, can through starting servo motor drive second gear to carry out clockwise rotation, and transmission in first gear drives inverted L type rotating pipe to rotate one hundred and eighty degrees, and then the one end of inverted L type rotating pipe is aligned with the outlet round mouth of right side exhaust cover, thereby making the waste gas in the stove can be discharged from the right end outlet round mouth, right side exhaust cover and right side outlet pipe.

This invention discloses a 3D printing method and apparatus for the integrated molding of heterogeneous multi-component components, specifically relating to the fields of advanced manufacturing and intelligent microsystems technology. This invention overcomes the limitations of traditional multi-material 3D printing, which can only integrate electronic components and cannot embed drivers. It employs a dual-mode embedding method combining vacuum adsorption and pneumatic gripping, achieving integrated manufacturing of micro-drivers, electronic components, high-precision conductive lines, and structural substrates. By preparing wires through mask scraping, it solves the problems of low precision and difficulty in adapting to micro-circuits in direct writing, improving interconnect reliability and miniaturization level. The direct embedding of mature drivers avoids the polarization process and performance degradation issues required for direct printing of piezoelectric materials, ensuring stable and reliable driving performance. Through in-situ wire fabrication and a closed-loop printing process, it eliminates the risk of post-assembly errors and interconnect failures.

This invention relates to the field of polymer materials, and discloses a grafted modified polyethylene, its preparation method, and its applications. The grafted polyethylene comprises polyethylene molecular chains and vinyl side chains grafted onto the polyethylene molecular chains; wherein the vinyl content in the polyethylene is 5-10 / 1000C, and the crosslinking density of the polyethylene is less than or equal to 2.3 × 10⁻⁶. ‑4 mol / mL. Polyethylene contains a high content of crosslinkable vinyl double bonds while having a low degree of crosslinking. This allows for a significant improvement in crosslinking performance while greatly reducing the amount of crosslinking initiator required, thereby ensuring that the resulting cable possesses excellent heat resistance, electrical properties, and mechanical properties.

The application discloses a control method with steel signal threshold value matching and correction, relates to the field of steel production, and solves the technical problem that the existing abnormal steel signal causes production disorder. The method comprises the following steps: collecting rolling line steel passing torque mean value and rolling line no-load torque mean value; obtaining an optimal time interval; calculating the optimal steel signal triggering torque value by taking the rolling line steel passing torque mean value and the rolling line no-load torque mean value of the optimal time interval; setting the optimal threshold value of the steel signal rolling distance; if the optimal steel signal triggering torque value is greater than the optimal threshold value of the steel signal rolling distance, an abnormal early warning is given, and the next step is entered; otherwise, a normal state is maintained; and when the rolling mill appears abnormal early warning, the triggering torque threshold value is matched and adjusted. The application further discloses a control system with steel signal threshold value matching and correction. The application can avoid the occurrence of steel stacking and process accidents.

The application belongs to the technical field of metal recovery, and provides a gold electrolytic recovery method and device based on AI vision, which can transfer the pretreated gold ion-containing electrolytic mother liquor to an electrolytic cell provided with a deposition plate, deposit gold on the deposition area on the surface of the deposition plate, continuously collect images of the deposition area by a camera unit, calculate the dense gold layer coverage rate and deposition defect area ratio of the deposition area by using a detection model, realize dynamic adjustment of the electrolysis parameters, and stop electrolysis and complete the current deposition when the preset completion condition is met. The scheme realizes non-contact real-time quantitative detection of the state of the gold deposition layer during the electrolysis process, can dynamically adjust the electrolysis parameters based on the model detection coverage rate, and preferentially triggers the inhibition operation when the defect area exceeds the standard, ensures that the deposition process is carried out in an excellent state, improves the consistency of the deposition product, reduces the requirements for the experience and concentration of the operator, and reduces human errors.

This invention relates to the field of electronic circuit technology, and more particularly to a method and system for measuring the dynamic threshold voltage of a field-effect transistor (FET). The method includes the following steps: generating a high-speed pulse signal with a preset rise time using a pulse signal generator; applying the high-speed pulse signal to the gate of the FET under test, while simultaneously acquiring the voltage waveform of the FET gate using an oscilloscope, denoted as the gate voltage waveform; and monitoring the current response of the FET drain in real time using a current probe, denoted as the drain current response, with the sampling rate of the drain current response synchronized with the sampling rate of the gate voltage waveform. This invention quantizes the channel setup delay in situ in terms of electrical characteristics, thereby redefining the threshold voltage based on the potential at the instant the channel formation is completed, eliminating the masking of transient characteristics by slow DC scanning.

The invention discloses a welding method of a tab area of a battery cell with a composite current collector and the battery cell, and the welding method of the tab area of the battery cell with the composite current collector comprises the following steps: alternately arranging metal foils among a plurality of laminated pole piece tab areas of the battery cell to form a welding area; and a metal nail penetrates through the tab area of the welding area and the metal foil and is riveted and welded. According to the welding method for the tab area of the battery cell with the composite current collector, provided by the embodiment of the invention, the metal foils are alternately arranged between the tab areas of the laminated pole pieces, so that the thickness of a welding mark in the tab area is effectively reduced. Meanwhile, the metal foil is used as a melting medium, the problem of resistance welding of the polymer layer is solved, the reliability of connection of the welding area is enhanced through riveting welding of the metal nail, roll welding and gluing processes are avoided, the process is simple, operation is convenient, and wide application is facilitated.

The present application relates to the field of dyeing and printing of textiles, and particularly relates to a parameter configuration method for bio-based nylon fabric digital jet printing sizing, which comprises the following steps: obtaining the moisture absorption, spreading, thermal response, safety threshold and equipment limit data of the bio-based nylon fabric and constructing an initial data set; constructing a material sensitivity index through multi-physical characteristic coupling calculation, combining a safety margin to construct a boundary risk index, and then coupling with the equipment parameters to obtain a safety correction coefficient; using the coefficient to smooth and dampen the correction of the output parameters of the conventional model, obtaining the safety parameters for execution, and completing the critical region configuration. The present application constructs a material sensitivity index through multi-physical field coupling to accurately predict the risk of material critical mutation, and combines the equipment operation parameters to form a safety correction coefficient to continuously correct the theoretical parameters, which overcomes the boundary distortion problem of the traditional model from the mechanism, effectively avoids the process fluctuation and fabric deformation, and significantly improves the printing quality stability.

This invention provides an online pH adjustment system for rice slurry, aiming to solve the problems of long pH adjustment time, high reagent consumption, and untimely reaction termination in existing technologies. Specifically, it includes a reaction tank, a transfer pump, a pre-installed automatic regulating valve, a flow meter, a pH adjustment unit, a mixing unit, and a closed-loop control unit. After the rice slurry is adjusted to the acceptable pH level by the pH adjustment unit, it is output to the next stage via the closed-loop control unit. Unacceptable slurry is returned to the reaction tank via the closed-loop control unit. This invention significantly improves the speed and accuracy of pH adjustment through a two-stage pH adjustment system and automatic control technology. The system can complete the pH adjustment of the material within 15-20 seconds and the pH adjustment of the entire reaction tank within 10 minutes, ensuring timely termination of the enzymatic hydrolysis reaction.

The application belongs to the field of semiconductor MEMS device processing, and particularly relates to a structure-assisted electromagnetic MEMS micromirror processing method, which improves the problems of high processing complexity and high processing cost existing in the prior art. By using the schemes of selective silicon-silicon bonding after local roughening, thick silicon MEMS processing technology based on conventional silicon-silicon bonding, fusion of high-precision laser cutting in the MEMS processing flow, increase of temporary support and heat dissipation structure and the like, the dependence of the MEMS micromirror processing process on the temporary bonding and debonding equipment and technology required for wafer processing can be reduced, the machine time occupation of the single crystal silicon dry etching equipment is reduced, the processing cost is controlled, the mutual compatibility of each single-step process in the process flow is improved, the processing can be realized only by using the combination of conventional equipment and its process, the complexity of the processing process is reduced, the processing cost is reduced, and the electromagnetic MEMS micromirror has good manufacturability.