26 results about "Black paint" patented technology

The invention relates to the technical field of visual detection, and particularly discloses a multi-light-source visual imaging device and method for a high-reflection bearing ring, and the device comprises a fixed disc which is fixedly disposed at the bottom of the inner side of a detection machine body, limiting mechanisms which are disposed at the top of the fixed disc and are distributed in an annular array, and a detection mechanism which is disposed at the top of the inner side of the detection machine body. The limiting mechanism is matched with the detection mechanism to perform visual imaging on the bearing ring so as to detect the bearing ring, the detection mechanism comprises a first barrel, and the lower end of the outer wall of the first barrel is fixedly sleeved with a telescopic sleeve. The inner wall of the bearing ring can be fully collected by the optical lens, and the soft coating nozzle coats the lens with black paint from the outer side of the lens so as to adjust the coating area and reduce the diameter of the lens, so that the bearing rings with different sizes can be imaged and used conveniently, the lens does not need to be replaced frequently, and the detection efficiency is improved.

METHOD AND PROCESS FOR VACUUM PLATING FOR BONDING PLASTICS The invention provides a method and process for vacuum plating for bonding plastics. By uniformly applying a semi-transparent primer to the back of the plastic substrate, the invention improves adhesion and cohesion between the vacuum plating and the substrate, preventing the plating from detaching or puckering during prolonged use. By using an opaque black paint as a chrome- or aluminized-type vacuum plating, the invention effectively prevents light leakage. The interposition of the semi-transparent primer between the plastic substrate and the vacuum plating enhances adhesion and cohesion, as well as resistance to hot and humid environments.Adding a protective varnish to the back increases the reliability of the bond while eliminating traces of the glue layer. Figure to be published with the abbreviation: Figure 1.

The invention belongs to the technical field of insulated switch equipment, and discloses a compact C-GIS gas insulated switchgear based on an optimized heat dissipation structure and a method. According to the method, in the material and pretreatment stage, a 10 * 60mm copper bar is adopted, and silver plating is completed only by delimiting areas at the two ends of the 10 * 60mm copper bar, so that the procedure of baking black paint is omitted; in the assembly process, according to the updated process file, the installation of the top cooling fin and the back cooling fin is omitted, and the assembly work of the internal cooling frame and the threaded holes for fixing the internal cooling frame is omitted; and after final assembly, whether the overall temperature rise of the compact C-GIS gas-insulated switchgear based on the optimized heat dissipation structure reaches the standard or not is directly verified through a standard temperature rise test or equivalent infrared detection. According to the invention, unnecessary heat dissipation parts (such as a back heat dissipation plate and an internal heat dissipation frame) are canceled, so that the complexity of the cabinet body structure is reduced.

The application discloses a method for manufacturing a large-heat-exchange-capacity low-flow-resistance low-temperature helium cabin, which comprises radiation red copper plates, red copper cooling coil pipes and a helium cabin support, the interior of the radiation red copper plate of the helium cabin is sprayed with special low-temperature black paint to make the internal emissivity greater than 0.92, and the radiation efficiency is greatly improved, the red copper cooling coil pipe adopts three-branch flow parallel cooling of the radiation red copper plate of the helium cabin, the temperature rise of the cooling helium flow is reduced, and the temperature difference of the whole helium cabin is very small, the low-temperature freezing red copper pipe bending process of the special equipment is adopted to ensure that the cooling coil pipe is not concave and wrinkled, the cooling helium flow resistance meets the requirements, the optimized low-temperature tin soldering welding process and the use of red copper pressing sheets and special aluminum foils greatly improve the heat transfer area and ensure the heat transfer efficiency.

The application relates to the paint field and particularly discloses a one-coat high-gloss black paint for an electrostatic spraying process and a preparation method thereof; the one-coat high-gloss black paint for the electrostatic spraying process comprises the following raw materials in parts by weight: 20-30 parts of polyester resin, 30-40 parts of acrylic resin, 15-20 parts of amino resin, 1-3 parts of leveling wetting agent, 18-22 parts of diluent, 1-3 parts of ultraviolet absorber, 1-3 parts of light stabilizer and 2-4 parts of color paste; the amino resin is modified by alkyd resin; the one-coat high-gloss black paint prepared by the application can be suitable for electrostatic spraying, meanwhile, the paint film surface has good gloss and flatness, the pinhole and orange peel phenomena are reduced, and the one-coat high-gloss black paint has better chemical resistance compared with a two-coat process.

The application discloses a two-dimensional rotation light path switching device with stray light suppression. An elevation switching motor drives a switching mirror to switch relative to a horizontal plane between 0 and 135 degrees. An azimuth switching motor drives the switching mirror to switch relative to a main frame installation bottom surface between 0 and 90 degrees. Elevation limit switch assemblies and elevation limit magnet assemblies are arranged at two limit positions of the elevation switching. Azimuth limit switch assemblies and azimuth limit magnet assemblies are arranged at two limit positions of the azimuth switching. When the switching mirror is located at 0 degrees in elevation and 0 degrees in azimuth, the switching mirror is in a light path switching-out state, the back of the switching mirror faces the main light path, and black paint on the back of the switching mirror suppresses stray light of the main light path. When the switching mirror is located at 135 degrees in elevation and 90 degrees in azimuth, the switching mirror is in a light path switching-in state, incident light is reflected by the switching mirror without passing through the main light path. The application does not cause shielding and stray light suppression of off-axis reflection of the main light path, and has high repeated positioning accuracy.

The invention relates to the technical field of pigments, and particularly discloses a near-infrared high-reflection black coating based on perovskite type metal composite oxide and a preparation method. The near-infrared high-reflection black coating comprises a coating component and a functional pigment and filler component, wherein the weight ratio of the coating component to the functional pigment and filler component is (50-90): (10-50); the coating component comprises the following components in parts by weight: 50-90 parts of coating resin, 0.1-0.5 part of a flatting agent, 0.1-2 parts of an anti-settling agent and 30-70 parts of a diluent; the functional pigment and filler component comprises perovskite type metal composite oxide. According to the application, the near-infrared reflectivity of the black perovskite-based coating can be improved, and the cost can be reduced.

Disclosed are a lighting grill assembly for a vehicle and a method of manufacturing the same, the lighting grill assembly for a vehicle a grill cover, a black paint portion painted using a black paint on a rear surface of the grill cover, and the black paint portion forming a light transmitting portion through which light passes by removing a part of the painted black paint, an inner lens spaced apart from the rear surface of the grill cover in a rearward direction, and a metal layer is deposited on a surface of the inner lens, and a light source configured to radiate light from a rear of the inner lens.

The light-emitting marker lamp comprises a base, a light source plate is connected to the upper portion of the base, a light guide cover is arranged above the light source plate, a light shading cover is embedded in the upper surface of the light guide cover, and the area, located outside the light shading cover, of the light-emitting face of the light guide cover is a light-emitting area. The circumference of the light guide cover is coated with a high-reflection white paint layer, and the thickness from the light emitting face of the light guide cover to the top face of the base clamping block is about 12.1 mm. Compared with a traditional scheme, the thickness is reduced by 6-12 mm, the occupied longitudinal space is reduced, and it is possible that a light-emitting marker lamp is installed on the steering wheel; the high-reflection white paint layer is coated on the circumference of the light guide cover, the problem of brightness difference between the circumference and the middle area of the light guide cover is solved, the black paint layer is coated on the non-luminous area of the light guide cover, light leakage is prevented under the combined action of the black paint layer and the high-reflection white paint layer, it is guaranteed that the light guide cover has a good visual boundary when the light source plate is lightened, and optical uniformity is improved.

The invention discloses a method for improving orange peel of an aluminum alloy hub through thermal electrostatic spraying, and belongs to the technical field of metal surface treatment. The invention aims to solve the problems of prominent orange peel defects, contradiction between coating hardness and adhesive force and the like during coating of bright black aluminum alloy hubs. The method comprises the following steps: raising the dehydration heating temperature to 150 DEG C and canceling forced cooling, so that a workpiece is subjected to thermal electrostatic spraying of high-leveling orange-peel-resistant black powder at 65-80 DEG C; then black paint and high-solid-content bright paint are sequentially sprayed, and the black paint and the high-solid-content bright paint are solidified together after being fused on the interface; and the surface layer bright paint is subjected to suspended cup type electrostatic spraying so as to realize super-thick uniform coating. Meanwhile, a universal protection plug with a conical head is adopted in the center cap groove, and reliable sealing is achieved through linear contact. According to the invention, the orange peel problem can be obviously improved, the coating has high hardness and excellent adhesive force, the process is simplified, the cost is reduced, and the method is particularly suitable for coating production of high-end bright black aluminum alloy hubs.

The present invention provides an anti-reflective black paint composition having a favorable anti-reflective property, particularly in the infrared region used in LiDAR devices and the like, and having excellent adhesion to a housing of the above-mentioned devices mainly composed of aluminum. Provided is an anti-reflective black paint composition containing: a solvent; an epoxy resin; a cationic thermal reaction initiator; a black pigment; and a silica filler, wherein the silica filler includes an air layer therein, and when made into a cured dry paint coat, a reflectance for light having a wavelength of 1,500 nm is 2.5% or less in total light reflectance measurement at an angle of incidence of 8°.

The invention discloses an integrated light guide type car lamp lightening optical system which comprises a light source module, a fixing support, a light guide module and a decoration frame, the decoration frame is arranged on the fixing support, the light guide module is located between the fixing support and the decoration frame, and the light guide module comprises a set of light guide plates arranged side by side; the adjacent light guide plates are matched and connected through the light guide plate flanges to form an integral light guide module structure; the light source module corresponds to one end of the light guide plate, and the transparent light-emitting area on the decorative frame corresponds to the light guide plate. The number of LED lamp beads is greatly reduced, and the light source cost is reduced; the light emitting end of the light guide plate is sprayed with black paint to shield stray light, the fixing support reflects light to assist light supplement, the brightness uniformity of a light emitting area is effectively improved, and the problems of uneven brightness, stray light interference and the like are solved. And a plurality of light guides are integrally formed through the middle flanging connecting parts and are mounted as a single part, so that the mold cost is reduced, and the assembly efficiency and consistency are improved.

This invention belongs to the field of silicon steel processing technology for rotors, specifically relating to a laser shock treatment method for silicon steel used in high-speed motor rotors. The method involves placing a punched, non-oriented silicon steel rotor sheet at a laser shock station; covering the surface of the silicon steel sheet with an absorption layer, which is either a finished insulating coating of silicon steel or a combination of one or more of the following: a finished insulating coating of silicon steel and black tape, black paint, or aluminum foil; turning on a stream of clean water to cover the surface of the silicon steel sheet, or covering the surface with a layer of transparent tempered glass to form a constraint layer; using single-sided, alternating single-sided, or simultaneous double-sided laser shock processing on areas prone to stress concentration, such as the rotor magnetic bridge; cleaning the surface of the silicon steel sheet after the shock processing, ensuring that the dimensional change in the thickness direction of the silicon steel sheet does not exceed 0.5%, and increasing the yield strength by 35-250 MPa. This invention employs localized laser shock processing on the surface of non-oriented silicon steel used in high-speed motor rotors, significantly improving the yield strength without changing the silicon steel composition or manufacturing process.

The application provides a light guide structure, a vehicle lamp structure and a vehicle. The light guide structure comprises a body and an LED. The LED is used for providing light. An incident port is arranged on the body. The light can enter the body from the incident port. The incident port is located at an end or a middle of the body. One or more end faces of the body are closed structures and are coated with a paint surface. The closed structure further has a light-transmitting part. The light-transmitting part continuously or discontinuously extends on the paint surface. The light-transmitting part does not have a paint surface at the extending position. The application coats the one or more end faces of the body with black paint, solves the problem of bright spots in the lamp due to the fact that the light guide end cannot be shaded because of insufficient space, and achieves the effect of transferring part of the energy to the outside. The light-transmitting part avoids the phenomenon that all the light is absorbed by the black paint and high temperature is generated. The light-transmitting part solves the problem that the end face coated with black paint may be carbonized due to overheating.

METHOD AND PROCESS FOR VACUUM PLATING FOR BONDING PLASTICS The invention provides a method and process for vacuum plating for bonding plastics. By uniformly applying a semi-transparent primer to the back of the plastic substrate, the invention improves adhesion and cohesion between the vacuum plating and the substrate, preventing the plating from detaching or puckering during prolonged use. By using an opaque black paint as a chrome- or aluminized-type vacuum plating, the invention effectively prevents light leakage. The interposition of the semi-transparent primer between the plastic substrate and the vacuum plating enhances adhesion and cohesion, as well as resistance to hot and humid environments.Adding a protective varnish to the back increases the reliability of the bond while eliminating traces of the glue layer. Figure to be published with the abbreviation: Figure 1.

The present disclosure provides an LED panel processing device, which can accurately remove black paint in the area above LED lamp beads in the LED panel by using a laser, solve the problem of brightness reduction caused by the blocking of LED lamp beads by black paint, and make the black color of the LED panel consistent, thereby ensuring the brightness and contrast of the LED panel.

To provide an induction heating flaw detection method and an induction heating flaw detection device capable of easily discriminating a flaw even if blackbody treatment is incomplete.SOLUTION: An induction heating flaw detection method includes an application step of applying a black body paint, a heating step of heating a surface of a conductive material by changing a relative position between the conductive material and an induction heating unit, an extraction step of extracting a high temperature portion by acquiring a surface temperature of the conductive material after the heating is finished by a radiation thermometer, a tracking step of tracking the high temperature portion, and a determination step of determining whether the high temperature portion is a flaw or a noise based on a temporal temperature change of the high temperature portion. The induction heating flaw detector includes an application unit that applies black body paint, an induction heating unit that heats a surface of a conductive material by changing a relative position with the conductive material, an extraction unit that extracts a high temperature portion by acquiring a surface temperature of the conductive material after heating by a radiation thermometer, a tracking unit that tracks the high temperature portion, and a determination unit that determines whether the high temperature portion is a flaw or a noise based on a temporal temperature change of the high temperature portion.SELECTED DRAWING: Figure 6

The invention provides a calibration device and method for calibrating an extraterrestrial space radiation heat flow measurement device. The calibration device comprises a vacuum chamber; the cylindrical infrared simulator is arranged in the vacuum chamber and is used for simulating an infrared radiation source; the inner surface of the cylindrical infrared simulator is sprayed with black paint, and the outer surface is coated with a multilayer heat insulation assembly after being pasted with a heating sheet and a temperature sensor. The solar radiation simulator is used for simulating solar radiation; the solar radiation simulator comprises a solar simulator and a curved surface collimating mirror, and solar radiation rays emitted by the solar simulator are reflected by the curved surface collimating mirror and then axially enter the cylindrical infrared simulator in parallel with the cylindrical infrared simulator; the heat flow measuring device array is arranged at one end of the cylindrical infrared simulator, and a heat flow receiving surface of the heat flow measuring device array is perpendicular to the axial direction of the cylindrical infrared simulator; and the calibration module is used for receiving the infrared radiation of the cylindrical infrared simulator and the solar radiation of the solar radiation simulator and then calibrating each heat flow measurement device in the heat flow measurement device array.

According to the primer-color-integrated traditional black paint and the primer-free 2C1B coating process applied to the automobile exterior bumper, a primer production section in an original coating process flow is canceled, meanwhile, colored paint air gun spraying is canceled in a colored paint production section, and a material piece enters a flame chamber after passing through a piece feeding area, pretreatment and a water cutting drying furnace; after flame treatment, the workpiece directly enters a colored paint spraying room, only colored paint electrostatic gun spraying is carried out, electrostatic gun high voltage is closed, colored paint adopted for colored paint electrostatic gun spraying is ground color integrated traditional black paint which is researched and designed, and then the workpiece enters a workpiece discharging area after passing through a leveling area, a varnish spraying area, a leveling area and a varnish drying furnace. According to the process, original 3C1B is converted into 2C1B, primer section spraying and colored paint section air gun spraying are omitted, the coating process steps are effectively shortened, the single-piece coating manufacturing cost is effectively reduced, and the terminal product competitiveness is enhanced.

The invention relates to the technical field of automobile part production, in particular to a novel automobile spoiler production process. The invention provides a complete process scheme of step-by-step injection molding, precise coating, two-time gluing and pressing and integrated assembly aiming at the assembly requirements of a three-layer plate structure spoiler (an upper-layer outer plate automobile body color paint piece, a lower-layer inner plate highlight black paint piece and a middle-layer framework texture piece) and the defects of a traditional metal insert injection molding process. The core comprises two times of positioning gluing and targeted pressing (the partition heat source design of a male die / female die pressing machine) of an upper-layer outer plate and a middle-layer framework as well as the middle-layer framework and a lower-layer inner plate, meanwhile, the structure of the middle-layer framework is optimized, a metal insert is omitted, and the buckle strength is enhanced through local gluing. The process solves the problems of infirm bonding of three layers of plates, dimensional deviation and multiple injection molding defects of metal inserts, ensures the appearance quality and the functional performance of the spoiler, saves labor hours, reduces the comprehensive cost, and improves the production efficiency and the product consistency.

The invention discloses a method for evaluating the thermal insulation performance of an electric heating chopping board integrated with an induction cooker assembly. The method comprises the following steps: (1) placing the electric heating chopping board on a wood board without light black paint indoors; (2) indoor environment temperature and environment relative humidity are adjusted; (3) uniformly arranging a plurality of thermocouples for measuring temperature on the thermal insulation surface of the periphery of the electric heating chopping board to form a plurality of measuring points; (4) starting to electrify and heat the electric heating chopping board until the temperature of all the measuring points on the thermal insulation surface reaches a thermal stable state; (5) measuring the temperature of each measuring point through a thermocouple; (6) calculating the temperature uniformity of the heat preservation surface; and (7) evaluating the thermal insulation performance of the electric heating chopping board through the calculated temperature uniformity. The evaluation method evaluates the thermal insulation performance of the electric heating chopping board from the temperature uniformity of the thermal insulation surface, and is convenient to operate, high in reproducibility and reliable in test result.

The invention discloses a preparation method of an optical absorbent, thermal control black paint and a spaceflight thermal control coating, and relates to the technical field of new materials. The optical absorbent is prepared into a carbon nanotube coating structure with silicon dioxide as a core. And a core-shell composite structure with a stable interface coupling effect is constructed. According to the structure, an effective optical and thermal synergistic channel is formed at an interface between a polar group on the surface of silicon dioxide and a carbon nanotube defect site or an introduced functional group through an intermolecular acting force between the polar group and the carbon nanotube defect site. In the thermal control black paint, vinyl organic silicon resin with high phenyl content is selected, and the refractive index of the vinyl organic silicon resin is matched with that of a carbon nanotube shell layer, so that the light scattering loss of an interface between a binder and an absorbent can be remarkably reduced, and the efficient absorption of the coating on a solar spectrum is guaranteed; through the microstructure effect of the core-shell absorbent, the interface matching effect of the resin matrix and the network construction effect of the addition curing reaction, a mutually reinforced chemical and physical synergistic system is formed.

This invention belongs to the field of coating technology, and relates to a scratch-resistant, antibacterial, matte black coating for use on plastic substrates, its preparation method, and its application. The coating comprises the following components by weight: 40-60 parts acrylic resin; 2-5 parts carbon black; 0-10 parts nano-modified lignin (not 0 parts); 1-10 parts nano-matte powder; 1-5 parts dispersant; 0.1-1 part leveling agent; 0.1-1 part anti-settling agent; and 5-30 parts solvent. Compared with existing technologies, this invention, by adding a small amount of nano-modified lignin to the formulation to prepare a matte black coating, when applied to the surface of plastic products, can effectively improve the scratch resistance of the paint film, provide highly effective antibacterial properties, and thus greatly extend the product's service life.

The present invention relates to a vacuum plating process and a vacuum plating method for application to plastic, wherein the uniform application of a translucent primer to the back of the plastic substrate improves the adhesion and bond between the vacuum plating layer and the substrate, thereby ensuring that the coating does not detach or blister as easily during prolonged use, wherein the paint used in the vacuum plating with a chrome plating layer or paint with an aluminum plating layer is an opaque black paint that effectively prevents the occurrence of light leakage, and wherein the provision of a translucent primer layer between the vacuum plating layer and the plastic substrate improves the adhesion and bond between the coating obtained by vacuum plating and the substrate.This makes it resistant to high temperature and humidity environments. Applying a back-side protective lacquer to the reverse side increases the bond reliability after bonding and eliminates visible traces of the adhesive layer caused by high temperature and humidity environments, thus solving the prior art problem that, after bonding parts to the surface of electronic components, adhesive traces remain visible and cannot be removed due to prolonged exposure to high temperatures or sunlight in the vehicle.

This invention provides an aerospace thermal control black paint, its raw material composition, preparation method, and applications. The raw material composition comprises 45 wt%–55 wt% of a composite filler and 55 wt%–45 wt% of a binder; the composite filler includes a primary absorber and a synergistic emissive; the primary absorber includes a first carbon material and a surface-modified second carbon material, the first carbon material being carbon black, and the second carbon material including carbon nanotubes and / or graphene; the synergistic emissive includes nano-silicon carbide; and the binder includes a SiCNO-based ceramic precursor. This thermal control black paint exhibits high solar absorptivity, high infrared emissivity, excellent space stability, low contamination, and good process adaptability.

The purpose of the present disclosure is to provide a black coating composition, a coated article, and a method for forming a low-gloss coating film, the black coating composition having air spray workability and being capable of obtaining a low-gloss coating film having low gloss and high blackness. A black coating composition according to an embodiment of the present invention is a black coating composition containing a black pigment, a dispersion medium, and a resin, the black pigment comprises a black organic pigment; the dispersion medium comprises: a good dispersion medium which is easily wetted with the black organic pigment; and a poor dispersion medium that is more difficult to wet the black organic pigment than the good dispersion medium; the boiling point of the good dispersion medium is lower than that of the poor dispersion medium; the content of the good dispersion medium is 50 parts by mass or more relative to 100 parts by mass of the black organic pigment; the content of the black organic pigment is 60 parts by mass or more with respect to 100 parts by mass of the resin.