280results about How to "Simple processing technology" patented technology

The invention relates to the field of milling, in particular to a modeling method and system for a morphology model of a milling surface, and the method comprises the steps of data collection, data preprocessing, feature extraction, model construction and model verification and optimization. According to the modeling method and system, various actual factors in milling are fully considered, including tool abrasion, cutting force vibration, workpiece material non-uniformity and the like, the fitting degree of the model and the actual milling surface appearance is improved, and the microscopic geometrical characteristics of the machining surface can be reflected more accurately; a machine learning algorithm is adopted to construct a model, so that a complex milling process parameter combination relationship can be flexibly processed, the applicability and accuracy of the model under different milling process parameters are improved, and accurate evaluation of part performance and optimization of a machining process are facilitated; the system is complete in structure, all the modules are clear in division of labor, and the construction, verification and optimization process of the morphology model of the milling surface can be efficiently achieved.

The invention provides a saw chain machining method and system combined with visual inspection, and relates to the technical field of machining data processing.The method comprises the steps that real-time machining process information is obtained through intelligent sensing equipment; dynamically acquiring a real-time saw chain image set through intelligent image acquisition equipment; a preset modeling strategy is introduced to analyze the first image and construct a three-dimensional model; analyzing a comparison result of the three-dimensional model and a predetermined three-dimensional model to obtain a real-time processing anomaly index; when the real-time processing abnormity index reaches a preset abnormity index threshold, a processing abnormity early warning signal is sent out; and calling a predetermined processing regulation and control mechanism, and carrying out dynamic processing regulation and control on the real-time processing technology information. The technical problems that in the prior art, due to the fact that a saw chain is complex in structure and prone to being affected by various factors, the machining precision is unstable, and the product quality is affected can be solved, the problems in the machining process are dynamically adjusted through real-time monitoring and anomaly detection, and the machining precision and the product quality of the saw chain are improved.

The invention relates to the technical field of steel pipe safety production, in particular to a seamless steel pipe production detection system and method based on a bent shell screw drill, and the system comprises a production process detection module, a steel pipe quality detection module and a quality detection platform, the production process detection module is used for processing to obtain a seamless steel tube production process abnormal evaluation value; the steel pipe quality detection module is used for processing to obtain a seamless steel pipe surface quality evaluation value and a seamless steel pipe internal quality evaluation value; according to the seamless steel pipe production detection system based on the bent shell screw drill and the production method, the abnormities in the production process of the seamless steel pipe, the number of early warning times and the surface quality and the internal quality of the seamless steel pipe are comprehensively analyzed; quality control can be carried out more effectively, production parameters are adjusted in time, defects are reduced, and therefore the product quality is improved.

The invention relates to the technical field of cynomorium songaricum identification, in particular to a method for rapidly identifying cynomorium songaricum of different processing modes and host plants based on an electronic tongue technology. The method comprises the following steps: weighing 1.0 g of a sample, adding 10mL of water, dissolving, filtering after 30min, repeating for three times, merging filtrate, obtaining a test solution, and detecting by using an electronic tongue; statistical analysis; the method has the beneficial effects or advantages of rapid and accurate quality identification, non-destructive detection, diversified processing modes and host plant identification, promotion of healthy development of the cynomorium songaricum industry, improvement of intelligent and automatic levels and the like. Due to the advantages, the method has wide application prospects and market potential in the field of cynomorium songaricum quality identification.

The utility model discloses an automatic indexing, automatic positioning and clamping mechanism of a crankshaft connecting rod neck lathe. The transposition gear speed changing box rotates clockwise along the swing center shaft under the action of the transposition oil cylinder till the transposition gear is meshed with the chuck gear, the transposition gear is driven by the servo motor through the speed reducer to transmit rotation to the chuck gear, and indexing transposition of the crankshaft is completed. Before the main shaft is started, the transposition gear is separated from the chuck gear under the action of the transposition oil cylinder. Compared with the prior art, the automatic indexing, automatic positioning and clamping mechanism of the crankshaft connecting rod neck lathe has the advantages of being simple in structure, convenient to operate, good in flexibility, high in efficiency and low in cost, obviously improving the machining technology of crankshaft connecting rod necks, further improving the machining quality and being favored and praised by crankshaft machining factories.

The invention provides hyperbranched polyhydroxy polyester resin as well as a preparation method and application thereof in preparation of an acrylic resin coating, and relates to the technical field of polymer coating compositions. According to the hyperbranched polyhydroxy polyester resin, pentaerythritol is adopted as a core, succinic anhydride, tetramethyl cyclobutanediol and trimellitic anhydride are sequentially connected to a hyperbranched molecular structure in a comonomer form through a continuous esterification reaction method, and the hyperbranched polyhydroxy polyester resin is prepared. In the preparation process of the hyperbranched polyhydroxy polyester resin, the reaction process can be controlled only through an acid value, meanwhile, polyester with a hyperbranched structure is synthesized by adopting a one-pot method, and the hyperbranched polyhydroxy polyester resin has the technical advantages that the synthetic resin step is simple, and a separation process is not needed. The hyperbranched polyhydroxy polyester resin can be widely applied to the preparation process of an acrylic resin coating.

The invention discloses a polysilsesquioxane / polyether-ether-ketone composite membrane, a preparation method thereof and application of the polysilsesquioxane / polyether-ether-ketone composite membrane in organic mixed solvent separation, and aims to solve the problem of large-area deposition of a defect-free polysilsesquioxane hybrid membrane on a polymer substrate in the prior art. According to the present invention, the 1, 2-bis (triethoxysilyl) ethane polysilsesquioxane precursor is adopted as the raw material to prepare the membrane material, the new membrane preparation method is provided, the processing process is designed and optimized from the aspects of the simplicity and convenience of the membrane preparation process, the industrialization of the membrane separation technology, the improvement of the membrane preparation efficiency and the like, the membrane preparation efficiency is improved, and the certain separation performance is provided; the method has an excellent effect on separation and recovery of methanol / toluene and methanol / dimethyl carbonate.

The invention discloses a compound combination optimization processing method for modified asphalt, and relates to the technical field of compound optimizing.The method comprises the steps that an asphalt mixed sample is determined, and a modified asphalt testing model is established; aiming at the first composite modification characteristic set, obtaining a first modification test simulation result; aiming at the second composite modification characteristic set, obtaining a second modification test simulation result; a third composite modification characteristic set is introduced, and the modification performance evaluation result of the semi-open graded asphalt mixing processing technology is predicted; and adjusting the compound ratio in the compound combination processing technology, and determining an optimized processing parameter set for processing control. The invention solves the technical problem of low performance and quality of the modified asphalt caused by unreasonable compound combination and unreasonable processing technology parameters in the processing process of the modified asphalt in the prior art, and achieves the technical effects of optimizing the processing technology of the modified asphalt and improving the performance and quality of the asphalt.

The invention provides a glycyrrhizic acid coated cryptotanshinone nano-micelle as well as a preparation method and application thereof, and relates to the technical field of skin care products. According to the glycyrrhizic acid-coated cryptotanshinone nano-micelle, glycyrrhizic acid is used as a carrier for carrying cryptotanshinone, and glycyrrhizic acid and cryptotanshinone cooperate with each other to jointly play antibacterial, anti-inflammatory and anti-lipid secretion roles, so that the glycyrrhizic acid-coated cryptotanshinone nano-micelle has an obvious synergistic effect; meanwhile, through preparation of the nano-micelle, the problems that existing cryptotanshinone is poor in water solubility and stability and difficult to apply to a water system cosmetic formula are effectively relieved. In addition, detection verifies that compared with single use of cryptotanshinone, the glycyrrhizic acid coated cryptotanshinone nano-micelle can effectively reduce the toxicity of cryptotanshinone to keratinocytes, can intervene in various main pathogenesis of acne, and has antibacterial, acne-removing and repairing effects.

The invention relates to the technical field of microelectronic devices, and provides a flexible self-supporting vertical optical waveguide array and a preparation method and application thereof. According to the flexible self-supporting vertical optical waveguide array and the preparation method thereof, an ultraviolet-curable SU-8 polymer is used as an optical waveguide material, a vertical optical waveguide array is prepared on a substrate by using simple coating, photoetching and ICP etching processes, then a flexible supporting layer is prepared, and the substrate is removed, so that the flexible self-supporting vertical optical waveguide array is obtained. The flexible self-supporting vertical optical waveguide array provided by the invention can solve the photoelectric crosstalk problem of an image sensor, improves the detection sensitivity in a weak light environment, has excellent flexibility, and can realize conformal fitting with the surface of the image sensor; moreover, the flexible self-supporting vertical optical waveguide array does not depend on the pixel size of the image sensor, the preparation process is independent of the preparation process of the image sensor, the universality is high, and the flexibility is good.

The invention discloses a power cable ethylene propylene rubber insulating rubber material, and relates to a power cable insulating rubber material. The problem that an existing ethylene propylene rubber insulating material is low in modulus and tensile strength is solved. The power cable ethylene propylene rubber insulation sizing material comprises the following components in parts by weight: ethylene propylene rubber 2470, ethylene-vinyl acetate copolymer, ethylene propylene rubber 4044, dicumyl peroxide, high-density paraffin oil, low-density paraffin oil, microcrystalline wax, white carbon black, superfine talcum powder, modified calcined clay, vinyl trimethoxy silane, 2-thiol benzimidazole, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, a coupling agent, a coupling agent and an antioxidant. The catalyst is prepared from the following raw materials: a 1, 2, 4-trimethyl-1, 2-dihydroquinoline polymer, dicumyl peroxide and zinc oxide. The power cable ethylene propylene rubber insulation rubber material is simple in formula, improves the flame retardant property of the insulation material, reduces the cost of the insulation material, has the characteristics of excellent electrical performance, good processing technology and the like, also has good mechanical and physical properties, and promotes the popularization and application of ethylene propylene rubber insulation middle and high voltage power cables.

The invention discloses a diode packaging quality analysis and detection method, and relates to the technical field of semiconductor detection, and the method comprises the steps: building a data set; collecting production raw materials, process steps, process parameters and product performance parameters of different types of diodes; processing the data set; establishing a relational expression among the production raw materials, the process steps, the process parameters and the product performance parameters; establishing and training a model; selecting features with large correlation degree with the performance parameters to perform cross training on the model until the performance of the model meets a preset requirement; verifying the model; generating a prediction performance parameter; comparing the obtained actual performance parameters with the predicted performance parameters to generate an optimization scheme; and optimizing the production process by using an optimization scheme until the production requirements are met. The identification accuracy of the model is determined according to the detection and verification result, the large model is utilized to reduce the cost of subsequent detection and inspection, and meanwhile, the processing technology can be optimized to improve the final product quality.

The present invention relates to a lightweight shock-absorbing popcorn sole, comprising a sole body formed by combining expanded thermoplastic particles, and also comprising a tubular support embedded in the sole body, wherein the outer wall of the tubular support is fixed in the sole body, and the inner cavity of the tubular support runs through from the inner side of the sole body to the outer side. After adopting the technical solution of the present invention, by arranging the tubular support in the popcorn sole, the supporting performance of the sole body can be improved while retaining the performance of the traditional popcorn sole. The inner cavity of the tubular support runs through from the inner side of the sole body to the outer side, and a shock-absorbing hole structure is formed in the sole body, which can reduce the weight of the sole body on the one hand, and can also provide a certain shock-absorbing space on the other hand, thereby improving the shock-absorbing performance of the sole body. The present invention also proposes a method for making the sole, which has the advantages of simple processing technology and convenient processing.

The utility model relates to the field of nail feeding, in particular to a nail feeding device and a coir mat gun. The nail pushing mechanism comprises a nail pushing main body and a nail pushing assembly, the nail pushing assembly is arranged on the nail pushing main body, the nail pushing assembly comprises a nail pushing elastic piece and a nail pushing block, and the nail pushing elastic piece abuts against the nail pushing block; the nail carrying mechanism comprises a nail carrying main body and a nail discharging assembly, a nail groove is defined by the nail pushing main body and the nail carrying main body, and the nail pushing block is arranged in the nail groove; the nail pushing main body and the nail carrying main body are connected in a sliding manner so as to close or open the nail groove; the nail outlet assembly comprises a gun nozzle and a gun nozzle panel, and the nail carrying body, the gun nozzle and the gun nozzle panel are sequentially connected. The gun nozzle is provided with a nail outlet channel, and a nailing channel is defined between the gun nozzle and the gun nozzle panel; the nail pushing block is driven by the nail pushing elastic piece to push nails in the nail groove to the nailing channel. The nail pushing device is stable in nail pushing, simple in operation and low in cost.

The invention discloses a preparation method of a hard carbon sodium battery negative electrode material, and relates to a preparation method of a negative electrode material. The method comprises the following steps: 1, pre-oxidation treatment; 2, preparing an asphalt / binder mixture; 3, heat treatment; 4, rough grinding; 5, carbonizing; and 6, crushing. Asphalt which is low in cost and stable in supply is used as a raw material, surface oxygen-containing functional groups are enhanced through surface oxidation, then resin is added to serve as a binder to enable the asphalt to form a cross-linked structure, a large number of irregular closed-pore structures exist in a generated hard carbon structure through high-temperature carbonization, the sodium storage performance of the material is improved, meanwhile, the specific surface area is reduced, and the specific surface area is increased. Therefore, side reactions are reduced, the first efficiency is improved, and the high-performance sodium battery negative electrode material with the reversible capacity higher than 300mAh / g and the first efficiency higher than 90% is obtained. The hard carbon sodium battery negative electrode material can be obtained.

The invention belongs to the technical field of sewage treatment, and particularly relates to a system and a method for disinfecting island rainwater by ultraviolet, ozone and microbubbles. Starting with an ultraviolet and ozone combined disinfection technology, the process technology is further improved, and a microbubble technology is introduced as an auxiliary aeration means. Due to the fact that a large number of active oxygen species are generated through combination of ultraviolet rays and ozone, due to the existence of microbubbles, the mass transfer efficiency of ozone can be improved, and the sterilization effect can be enhanced by increasing the yield of active free radicals. The method has a relatively high removal effect on pathogenic bacteria in water, the addition of ozone avoids the defect of incomplete ultraviolet disinfection, the addition of microbubbles can increase the yield of active oxygen species in water, and the overall disinfection effect is improved. In addition, the method for generating ozone by irradiating oxygen with ultraviolet rays saves the cost and management energy of equipment such as an ozone generator and an ozone eliminator, so that the equipment required by the technology is small in size and can be suitable for the island environment.

The utility model provides a rotor used for a permanent magnet synchronous motor. The rotor comprises a rotor frame and permanent magnets. The rotor frame is constructed to be a hollow cylinder, the rotor frame is provided with a plurality of interval grooves in the circumferential direction, and the rotor frame is divided into a plurality of rotor frame sub-parts by the interval grooves; the permanent magnets are arranged in the interval grooves; wherein the rotor frame is integrally cast through a pouring gate, the rotor frame sub-part is provided with a pouring gate stub bar corresponding to the pouring gate, the pouring gate stub bar is located on the end face of the rotor frame, and the pouring gate stub bar is closer to the outer circumference of the rotor frame than the inner circumference of the rotor frame. In addition, the utility model also relates to a permanent magnet synchronous motor comprising the rotor and a mold for casting the rotor.

The utility model relates to a section steel truss diagonal web member node structure. The section steel truss diagonal web member node structure comprises an H-shaped diagonal bracket, a bracket reinforcing plate, a chord member, a vertical web member and a reinforcing plate, the vertical web member is vertically arranged on the transversely arranged chord member, the H-shaped inclined bracket is obliquely connected between the vertical web member and the chord member, a stiffening plate is transversely arranged on the vertical web member, a stiffening plate is longitudinally arranged on the chord member, and bracket reinforcing plates are respectively arranged between the H-shaped inclined bracket and the vertical web member and between the H-shaped inclined bracket and the chord member. The truss node is optimized, and the machining efficiency is improved.

The invention provides a wafer bearing device, a wafer bearing method, wafer processing equipment and an upper computer, and the wafer bearing device comprises a wafer bearing platform, a central distance measurement unit, an edge distance measurement unit, an adsorption device, and a control unit. The central distance measuring unit is used for determining position information of a central area of the front face of a wafer borne by the wafer bearing table, the edge distance measuring unit is used for determining position information of an edge area of the back face of the wafer borne by the wafer bearing table, and the control unit is used for controlling the central distance measuring unit and the edge distance measuring unit based on central distance measuring results of the central distance measuring unit and edge distance measuring results of the edge distance measuring unit. And the central adsorption unit and / or the edge adsorption unit in the adsorption device are / is controlled to adjust the adsorption pressure and compensate the deformation of the wafer, so that the circle is ensured to be placed on the wafer bearing table in a flat posture, the subsequent wafer manufacturing process is facilitated, and the quality of the wafer process is improved.

A bidirectional air inlet three-dimensional flow fan driven by a coupler comprises a machine shell, an impeller is arranged in the center of the interior of the machine shell, the impeller is a three-dimensional flow impeller of a bidirectional air inlet structure, the impeller is fixed to a main shaft through a hub, the main shaft penetrates through the interior of the fan, and one end of the main shaft is connected with a motor through the coupler; the impeller comprises two front disc bodies, a shared rear disc body and a plurality of ternary twisted blades installed on the two sides of the rear disc body, the ternary twisted blade on any side is installed between the front disc body and the rear disc body, and the ternary twisted blades are evenly arranged on the two sides of the rear disc body in the circumferential direction at intervals and are in mirror symmetry. And the design molded line of the ternary twisted blade at the front disc body is deviated towards the rotating direction of the impeller compared with the design molded line at the rear disc body, so that the design molded line at the front disc body is not crossed with the design molded line at the rear disc body. The machining process of the blade is simpler, the production period and cost are reduced, and the air inflow of the fan is effectively increased through the design of bidirectional air inflow.

The invention relates to a miniaturized locking device for an indexing mechanism and the indexing mechanism, is suitable for three self-inertial measurement units, and solves the technical problems of incapability of independently locking an outer frame, easiness in unlocking clamping stagnation, lower precision, poorer stability and larger size and weight in the prior art. The locking device comprises a locking motor, a locking motor base and a locking pin. The locking motor base comprises a rotating cylinder, an inner boss and an input cavity; a worm is arranged in the input cavity, a turbine shaft is arranged in the rotating cylinder, and the worm and the turbine shaft are matched to form a turbine worm; a lead screw sleeved with a pin lock ejector block is arranged in the rotating cylinder, and the pin lock ejector block and the lead screw are matched to form a lead screw thread pair. The pin lock ejector block is sleeved with a dense ball frame. A guide through hole with a guide steel ball is formed in the dense ball frame, and the guide steel ball makes contact with the bottom of a sliding groove formed in the pin lock ejector block and the locking motor base. A taper hole is formed in the inner wall of the pin lock ejector block, and the taper hole is matched with the conical face of the locking pin and used for being matched with the locking pin to achieve shafting locking when the pin lock ejector block is pushed out.

The invention provides a preparation method of a high-strength and high-plasticity Ti-15Zr alloy wire, which comprises the following steps: (1) weighing, mixing, pressing, welding and vacuum consumable smelting to obtain a cast ingot blank; (2) carrying out cogging forging and continuous rolling to obtain a wire blank; (3) heating to the alpha + beta two-phase region temperature for primary rounding and air cooling, cooling to the alpha-phase region temperature for secondary rounding, then heating to the alpha + beta two-phase region temperature for tertiary rounding and peeling to obtain a wire; and (4) multi-pass cold drawing and high-temperature short-time annealing are conducted, and the Ti-15Zr alloy wire is obtained. The invention further provides the high-strength and high-plasticity Ti-15Zr alloy wire, and the high-strength and high-plasticity Ti-15Zr alloy wire is prepared according to the preparation method of the high-strength and high-plasticity Ti-15Zr alloy wire. The machining process is simple, the production cost is low, the production efficiency is high, the performance of the titanium-zirconium alloy wire is good, and matching of high strength and good plasticity of the titanium-zirconium alloy wire in the cold machining process is achieved; belongs to the technical field of titanium-zirconium alloy wire preparation.

The embodiment of the invention provides a vacuum compression bed and a compression storage method. The vacuum compression bed comprises a horizontally-placed cuboid bed body and a bed head connected to one end of the bed body. The bed body and the bed head are made of foamed sponge; the size can be compressed before transportation, and transportation is convenient.

The invention provides a hydrophobic bipolar plate as well as a preparation method and application thereof, and relates to the technical field of fuel cells. The hydrophobic bipolar plate comprises a bipolar plate base material and a hydrophobic coating loaded on the bipolar plate base material, wherein a mastoid structure obtained by laser etching is arranged on one side, opposite to the hydrophobic coating, of the bipolar plate base material. According to the hydrophobic bipolar plate, water can be suspended between mastoids and cannot enter gaps of the mastoids, and rapid discharge of the water is promoted; meanwhile, as the contact area of moisture, airflow and the bipolar plate is small, moisture erosion and airflow scouring suffered by the hydrophobic coating are correspondingly reduced, the service life of the hydrophobic coating is prolonged, and the problems that the hydrophobic coating on the surface of the existing bipolar plate is easy to lose efficacy under the scouring of flow resistance, the surface microcosmic bulge structure of the bipolar plate is irregular, and the service life of the bipolar plate is prolonged are effectively solved. The hydrophobic effect is poor.

The application discloses a photovoltaic silicon monocrystal wafer group, a crystal column group, a photovoltaic cell and a photovoltaic module. The wafer group comprises rectangular silicon wafers cut from the middle of a base circle silicon wafer and axisymmetric non-rectangular polygonal silicon wafers symmetrically cut from the periphery of the rectangular silicon wafers. The cutting size of the rectangular silicon wafers is determined according to the distribution of vacancy-type point defect density C V and interstitial-type point defect density C I of the base circle silicon wafer and the distribution of minority carrier lifetime in different radial regions of the base circle silicon wafer, so that the rectangular silicon wafers are located in the region of C V ‑ C I ≥0, and the ratio d of the distance between the four corners of the rectangular silicon wafer and the minimum point of the minority carrier lifetime in the edge region of the base circle silicon wafer to the diameter of the base circle silicon wafer is 2%≤d≤8%. The method is based on the quality distribution rule of the silicon wafer to divide the silicon wafers into two types, and different cell processes are adopted to fully tap the potential of each type, so that the area utilization rate of the base circle silicon wafer is more than 90% while high-quality photovoltaic modules are obtained.

The invention discloses a cooling turbine rotor blade and belongs to the technical field of aero-engines, the cooling turbine rotor blade is mounted in a mortise of a turbine disc through a tenon, the rotor blade is provided with a cooling structure, the mounting angle of the lower section of the rotor blade at any height position is 50-60 degrees, and the number of the rotor blade is 40-45. By limiting the mounting angles of the sections of the rotor blades and the number of the blades, the whole rotor blades can be designed to be approximately linear, the twisting degree of the blades is small, the change of the whole height of the rotor blades is small, the design of a rotor blade cooling structure can be better facilitated, heat dissipation of the rotor blades in a high-temperature environment is guaranteed, and the service life of the rotor blades is prolonged. And meanwhile, the secondary flow loss of the rotor blade is reduced.

The present invention relates to the technical field of electronic cigarettes, and discloses an electronic cigarette glass microporous atomization core, including an oil-passing layer, an electric heating plate and an oil-locking layer, wherein the oil-passing layer, the electric heating plate and the oil-locking layer are combined together, with a tiny inner cavity in the middle, and the inner parts of the oil-passing layer and the oil-locking layer are provided with glass micropores, the oil-passing layer is in direct contact with the oil smoke, and the smoke oil penetrates into the inner cavity through the oil-passing layer. The electronic cigarette glass microporous atomization core uses glass as a substrate, and a plurality of micropores are processed on the glass through laser-induced pore-forming technology, and the smoke oil passes through the micropores and is instantly atomized under high-temperature heating. Because the glass composition is simple, high-temperature resistant and stable, and the micropores are not easy to be blocked, the problems of easy blockage and odor in the current electronic cigarette atomization can be solved, and at the same time, the glass is not harmful to human health, thereby improving the quality of current electronic cigarette products; the glass cost is low, the processing technology is simple, and the overall cost is also low.

The utility model relates to the technical field of batteries, and discloses a battery top cover assembly, a battery and a power device. The battery top cover assembly comprises a cover plate and an insulating part, the cover plate is provided with a pole; the insulating part is of a flat plate structure, a first avoiding hole is formed in the position, corresponding to the pole, of the insulating part, one end of the pole penetrates through the first avoiding hole, and the pole is suitable for being conductively connected with a pole lug of a pole group; the peripheral edge of the insulating part is recessed from the peripheral edge of the cover plate to form a step structure. According to the battery top cover assembly provided by the utility model, the insulating part is of a flat plate structure, the structure is simple, the processing is easy, the battery top cover assembly can be quickly obtained only through die cutting, the processing technology is simple, and the cost is low. As the peripheral edge of the insulating part is sunken in the peripheral edge of the cover plate to form a step structure, when the cover plate and the shell of the battery are welded, the insulating part is prevented from being scalded and warped, or welding laser is prevented from leaking into the interior to sweep the insulating part, and the insulating part is prevented from being burnt.

The invention discloses a metal plate capable of releasing negative ions and a processing technology. The invention belongs to the technical field of metal plates. The metal plate can continuously and stably release negative ions, can effectively improve the surrounding air environment and improve the air quality, and can reduce dust adsorption and bacterium breeding when applied to the fields of indoor decoration and the like. The processing technology is simple and easy to operate, different base layer metal plates and negative ion release layer materials can be selected according to actual requirements, and the method is suitable for various production scales and application scenes; the metal plate has the unique advantages that the appearance of the metal plate is similar to that of a common metal plate, the metal plate can be widely applied to decorative materials in the fields of buildings, furniture, vehicles and the like, the original design style cannot be greatly influenced, and meanwhile, the negative ion release function is added.

The application discloses a high-temperature and high-pressure combustion chamber spectrum characteristic transmission device based on a special optical fiber probe head, which comprises an optical fiber probe head, a light guide optical fiber, a light emitting characteristic analysis device and a cooling liquid pump; the optical fiber probe head comprises high-transmittance optical glass, a metal cooling sleeve and an optical flange; the high-transmittance optical glass can transmit ultraviolet-visible light with a wavelength of 100-760 nm; the metal cooling sleeve comprises a cylindrical sleeve and a connecting cap; the cylindrical sleeve is coaxially arranged on the outer periphery of the high-transmittance optical glass and is sealingly arranged in a probe head mounting hole; the light guide optical fiber can collect the ultraviolet-visible light transmitted through the high-transmittance optical glass and is connected with the light emitting characteristic analysis device; and the cylindrical sleeve and the connecting cap are both provided with cooling channels connected with the cooling liquid pump. The application can analyze the chemical reaction light emitting characteristics in the high-temperature and high-pressure combustion chamber in real time, is especially suitable for monitoring the spontaneous radiation characteristics of OH*, CH* and C2* groups generated in the combustion process, and thus can determine the reaction region and the reaction heat release.