23results about How to "Avoid spot" patented technology

The light-emitting lamp box of the multi-aluminum-profile combined structure comprises an outer frame, a support is fixed to the back of the outer frame, the bottom of the support is connected with a base, and a detachable picture box body is arranged in the outer frame; the picture box body comprises a box door and a box body shell, the box door comprises a box cover door and a canvas door, one side of the box cover door is rotationally connected with one side of the box body shell through a stainless steel row chain, and one side of the canvas door is rotationally connected with one side of the box cover door through another stainless steel row chain; the rotating directions of the box cover door and the canvas door are opposite; the box body shell comprises a plurality of LED lamps irradiating forwards, a cam lock is arranged on the other side of the box body shell, a lock catch groove matched with the cam lock is arranged on the other side of the box cover door, and opening and closing of the box cover door are achieved by rotating the cam lock. A replaceable picture is arranged in the canvas door, and the middle position of the box cover door is of a transparent structure through which the replaceable picture can be seen. According to the invention, the convenience of picture replacement, the high efficiency of repair and maintenance and the flexibility of assembly type production are integrated.

The application relates to the technical field of cloth printing and dyeing, and particularly relates to a dye recovery type industrial textile cloth printing and dyeing device. The device comprises a printing and dyeing shell, a fixed frame fixedly connected in the printing and dyeing shell, a sliding frame slidingly connected to the fixed frame, a fixed rod fixedly connected to one side of the sliding frame, two limiting blocks slidingly connected to one side of the fixed frame, a sliding rod slidingly connected to one side of the fixed frame, two guide rollers rotatably connected to one side of the fixed frame and one side of the sliding frame, two sliding blocks slidingly connected to the fixed frame and the sliding frame, and extrusion rollers rotatably connected between the two sliding blocks on the same side. The two extrusion rollers reciprocally move to reciprocally extrude the cloth, remove the tiny bubbles in the cloth, make the dyeing liquid completely immerse in the cloth, prevent the dyed cloth from having color difference or spots, and ensure the appearance quality of the final dyed cloth.

The utility model discloses a projection lamp with an adjustable light-emitting angle, which comprises a shell, a light-emitting lens is arranged at the front end of the shell, an adjusting switch is arranged at the tail end of the shell, and a radiator is arranged in the shell; a lamp panel is arranged at the front end of the radiator and faces the light emitting lens; the rear end of the radiator is connected with one end of the transmission structure, and the other end of the transmission structure is connected with the adjusting switch. When the adjusting switch is turned on or turned off, the radiator generates displacement relative to the light emitting lens. According to the projection lamp with the adjustable light-emitting angle, through mechanical and optical design, the light-emitting angle can be continuously adjusted within the range of 30-110 degrees so as to meet the lighting requirements of different environments and application scenes.

The license plate lamp comprises a lampshade, a light source body and a lampshade panel, the light source body is arranged in the lampshade, the lampshade panel is arranged at one end of the lampshade, the lampshade panel is provided with a diverging part and a reflecting part, the diverging part corresponds to the light source body so as to diverge light transmitted by the light source body, and the reflecting part is arranged at the other end of the lampshade. The reflecting part is arranged on at least one side of the diverging part so as to reflect light transmitted by the light source body. According to the license plate lamp, the lampshade panel is arranged at one end of the lampshade, and the diffusion part and the reflection part are arranged on the lampshade panel, so that light transmitted by the light source body can be diffused through the diffusion area and reflected through the reflection area, light spots can be avoided, the light distribution requirement can be met, and the lighting effect of the license plate lamp on a license plate can be improved.

This invention provides a dual-cylinder fully automatic switching pressure-stabilizing melt filter, comprising a body with a first and second filter cylinder arranged horizontally on the left and right sides, each filter cylinder containing a filter cartridge; a melt inlet and a melt outlet are respectively located at the front and rear ends of the body, corresponding to automatic feed switching valves and automatic discharge switching valves, used to control the entry of melt into different filter cylinders and the discharge of filtered melt; both filter cylinders are connected to exhaust valves to discharge gas from the cylinders. This invention, by employing a dual-cylinder fully automatic switching pressure-stabilizing melt filter, enables filter replacement without stopping production, significantly improving production efficiency; the discharge of gas from the filter cylinders through the first and second exhaust valves ensures the normal operation of the corresponding filter cylinders before use and during switching, making it a crucial component for achieving stable filtration and smooth switching.

The invention provides a low-denier nylon fabric and hydrophobic oil-proof functional finishing liquid and method, and belongs to the technical field of textile chemistry and dyeing and finishing engineering.The finishing liquid is prepared from, by weight, 4-7 parts of a C6 waterproof agent, 0.2-1.4 parts of a cross-linking agent, 1-4 parts of an anti-tearing agent, 1-4 parts of a softener and 100 parts of water. The low-denier nylon fabric is subjected to hydrophobic and oil-proof modification by adopting the C6 waterproof agent, and the cross-linking agent, the anti-tear agent and the softener are introduced in the finishing process to form a mixed working solution, so that the low-denier nylon fabric has better hydrophobic, oil-proof and anti-fouling effects, the dosage of the waterproof agent is reduced, the water repellency and the washing resistance are improved, and the fabric is more durable. The hand feeling and the mechanical property of the fabric after water repellent finishing are improved.

The shower display screen comprises a bottom shell, a panel and a control panel, the bottom shell and the panel are combined in a covering mode to form an electric appliance cavity used for installing the control panel, a light-emitting part electrically connected with the control panel is arranged on the control panel, and the light-emitting part is arranged on the side, opposite to the panel, of the control panel. A light transmission gap for light rays to pass through is formed between the control panel and the inner side wall of the bottom shell, a light reflecting inclined face used for reflecting the light rays generated by the light emitting part towards the light transmission gap is arranged at the position, corresponding to the lower portion of the light emitting part, of the bottom shell, and a light transmitting area is formed at the position, corresponding to the upper portion of the light transmission gap, of the panel. Light rays generated by the light-emitting part can sequentially pass through the light-reflecting inclined surface and the light-transmitting gap and then are projected to the light-transmitting area of the panel, so that the projection distance of the light-emitting part is increased, light spots on the panel are avoided, the overall light-emitting effect of the display screen is soft, and the display screen is attractive and comfortable for a user.

The present invention provides an endoscope which can prevent the generation of light spots caused by illumination light reflected in a nozzle and obtain a good observation image. The endoscope (10) is provided with an observation window (34), illumination windows (44, 46) arranged around the observation window (34), and a nozzle (40) having a fluid injection port (52) opening toward the observation window (34) on the front end surface (28) of the front end body (30) of the insertion part (12), the nozzle (40) having an irradiated surface irradiated with the illumination light emitted from the illumination window (46), at least a part of the irradiated surface includes a scattering suppression portion (58A) composed of a mirror surface, and the scattering suppression portion (58A) reflects the illumination light in a direction different from that of the observation window (34).

The utility model relates to the technical field of file data detection, disclose a kind of digital file data detection scanning device, including pedestal, the upper end surface of the pedestal is equipped with the covering component for covering the upper end detection environment of pedestal, scanning component for detecting scanning is installed in the covering component, the upper end surface of the pedestal is equipped with the fixed component for fixing file paper. The utility model is covered with covering box in covering component cooperation pedestal, realize the shielding of file paper, avoid the reflection of writing on paper file caused by direct sunlight, ensure scanning definition and color fidelity, can reduce the work load of scanning component photosensitive element, improve scanning efficiency and prolong hardware life, and in the process of covering box descending, under the cooperation of cleaning component, thereby wiping the surface of paper file, the dust of using clean broom to wipe file surface can effectively improve scanning quality, avoid dust particles to cause image blur or spot.

The utility model relates to lamp product technical field especially discloses a single light groove multidirectional light emitting type lamp shell, including the casing, the casing is equipped with the accommodating cavity for accommodating external lamp strip, the casing is equipped with the light through port being linked with accommodating cavity, the light through port penetrates the two groups of wall bodies of casing adjacent, the area of the light through port on the wall body is greater than or equal to the area of the wall body half, and the external lamp strip emits light rays to multiple directions via the light through port. The utility model discloses the light through port penetrates the two groups of wall bodies of casing adjacent, makes the light emitted by the lamp strip can pass through the light through port and emit to multiple directions simultaneously, realizes multidirectional light emitting through single light groove structure, improves the uniformity and stereoscopic sense of illumination, reduces the demand of multiple lamps and lanterns arrangement.

The utility model discloses a kind of constant temperature device of gravure press ink, it is related to printing technical field, including the cooling assembly for communicating ink groove and ink storage tank, cooling assembly is used to carry out cooling treatment to the ink conveyed between both;The cooling assembly includes the cylinder with built-in cooling pipeline, cooling pipeline is used to generate cooling environment atmosphere inside cylinder, cylinder is connected with ink groove, ink storage tank respectively, to make the ink by ink storage tank into cylinder is cooled and is discharged to ink groove with cooling.This utility model connects ink groove and ink storage tank by cooling assembly, realizes the active cooling treatment to ink, this design not only can replace original conveying pipeline to ink groove play the function of feeding, and it has the cooling function to ink, can effectively control ink temperature, prevent viscosity change or printing quality problem caused by ink overheating, to ensure the stability and consistency of printing process.

The utility model relates to a kind of quick deployment low-power intelligent luminous water gauge for water conservancy monitoring, including display unit, power supply unit and signal acquisition unit, its technical key points are: display unit includes rectangular water gauge shell, anti-UV acrylic transparent panel, UV printing layer, acrylic laser dotting light guide plate, ESR reflective film, LED lamp strip, power supply unit includes the control module of being built into the rear portion of rectangular water gauge shell, and the electric core and wireless charging receiving module connected with control module, signal acquisition unit includes the non-contact liquid level sensor connected with control module, light sensor and control master switch, the non-contact liquid level sensor includes the upper limit body and lower limit body on the upper and lower ends of rectangular water gauge shell rear portion, light sensor and control master switch are fixed on the top surface of rectangular water gauge shell.This water gauge has the advantages of being able to be installed quickly, self-powered, and clearly and intuitively displayed, and can meet the actual needs of flood prevention emergency monitoring.

The present invention discloses a lamp with a light distribution function for an irradiated surface, comprising a lampshade and a metal halide lamp light source arranged in the lampshade, the lampshade being provided with a light outlet, a light distribution plate being provided at the light outlet, the light distribution plate being provided with an outward convex portion, and an inner concave surface being provided between the convex portion and the light distribution plate; the light emitted by the metal halide lamp light source can be actively distributed through the light distribution plate, that is, the light passing through the light distribution plate is compensated to the edge through the inner concave surface on the light distribution plate, so that the light on the irradiated surface is more uniform, and the convex portion provided at the same time further compensates for the phenomenon that the central part of the light distribution plate is closer to the light source and the side is darker. Since the thickness of the central part is greater than that of the side part, the light passing through the convex portion has more interference diffusion times, so that the light in the central part is scattered and diffused to the surroundings, so as to avoid the occurrence of light spots caused by the light intensity in the central part being much greater than that in the surroundings.

The application discloses a COF modified blue dye, a lens coating, a lens and a preparation method and application thereof, and belongs to the technical field of resin lenses. The preparation method of the COF modified blue dye comprises the following steps: step one, preparation of COF powder; and step two, preparation method of the COF modified blue dye: 1 part by weight of the COF powder is dispersed in 5-10 parts by weight of a 5-8 wt% HCl aqueous solution to obtain a COF dispersion liquid; 1-3 parts by weight of a blue dye is dissolved in 10-30 parts by weight of DMSO, and a blue dye dispersion liquid is obtained after uniform mixing; the COF dispersion liquid and the blue dye dispersion liquid are uniformly mixed, and then a polydimethylsiloxane stabilizer is added; and after freeze-drying and crushing, the COF modified blue dye is obtained. The lens coating obtained by the application has the advantages of uniform dispersion of the blue dye, excellent reflection of blue light, clear vision without distortion, no problems of spots and flow marks, high yield and suitability for industrial mass production.

The utility model relates to a car lamp optical cable light-emitting module which comprises a lamp support, a plurality of optical fiber strips are arranged on the lamp support through an embedded structure, a fixing support is arranged on one side of the lamp support, optical fiber light sources are arranged at the two ends of the fixing support, and the optical fiber light sources are electrically connected with the optical fiber strips. The fixing support is further provided with a control circuit board capable of controlling the light emitting effect of the optical fiber light sources, optical fiber strips are embedded in the lamp support and electrically connected with the optical fiber light sources at the two ends of the fixing support, efficient transmission and even distribution of light are achieved, and the problems that a strip-shaped lamp can generate spots and output is uneven are solved.

The invention belongs to the technical field of shadowless lighting, and discloses a vacuum environment shadowless lighting system which comprises an outer edge spotlight array lighting system, an integrated spray pipe support light source system is arranged at the bottom of the outer edge spotlight array lighting system, and a simulated lunar soil storage device is arranged at the bottom end of an experimental spray pipe. Through cooperation of the structure frame, the spray pipe fixedly-connected flange, the annular surface light source and other structures, the device can firmly connect the experiment spray pipe to the structure frame through the spray pipe fixedly-connected flange, it is ensured that the experiment spray pipe is fixed in the working process, and position deviation caused by vibration or other factors is avoided; an independent lens angle adjusting knob is arranged on each group of refraction lenses, the angles of the refraction lenses can be independently changed after the lens angle adjusting knobs are rotated, the refraction direction and the irradiation area of light rays are changed, it is ensured that the illumination area always covers the action range of a flow field of an experiment spray pipe, and the system is flexibly adjusted under different working conditions; and the requirements of different experiments and shooting are met.

The utility model provides a novel LED daytime running lamp which comprises a lampshade and a lamp shell, the lampshade and the lamp shell are connected in a sealed mode to form a cavity, a reflector assembly and a decoration frame are arranged in the cavity, and the decoration frame is located in front of the reflector assembly. The reflector assembly comprises a reflector of a side light-emitting structure, the reflector comprises an upper side face, a lower side face, a left side face, a right side face and a side light-emitting reflecting face, and strip-shaped patterns are arranged on the left side face, the right side face and the lower side face respectively. The lampshade is an integrated piece and comprises a main body protruding forwards and a first turned edge extending outwards, and the first turned edge is arranged at the bottom of the main body; the decorative frame is an integrated piece and comprises a frame body and a second turned edge, the second turned edge is arranged at the bottom of the frame body, when the decorative frame is arranged in the cavity, the frame body is located in the main body and used for shielding the peripheral side faces of the main body, and the second turned edge is located in front of the reflecting mirror and used for shielding the peripheral edges of the reflecting mirror; according to the utility model, the problems in the prior art can be effectively solved.

The utility model provides a kind of touch module, electronic paper display module and electronic paper display screen, this electronic paper display module includes electrophoretic display module, the touch module being set on the electrophoretic display module display face top, light guide plate, front light illumination device, is equipped with TP electrode on the touch module in the electrophoretic display module display area peripheral position, the TP electrode top near front light illumination device side is covered with the shelter for covering this TP electrode.The front light illumination effect of the utility model touch module, electronic paper display module and display screen, will not be affected by touch module and produce light spot and ghosting.

The invention relates to the technical field of textile fabric wrinkle removal, in particular to a textile fabric production wrinkle removal device which comprises a workbench, the top surface of the workbench is fixedly connected with a fabric winding device, the top surface of the workbench is fixedly connected with a fabric ironing cabin, and the surface of a side plate of the fabric ironing cabin is provided with a fabric opening; the wrinkle removing device for textile fabric production and the use method have the beneficial effects that the ironing roller is arranged in the fabric ironing cabin, the end of the output pipe of the steam generation device is fixedly connected with the interior of the cavity pipe, then the cavity pipe is arranged in the ironing roller, and the ironing roller is arranged in the ironing cabin; therefore, when the steam generating device is started, steam at the output end of the steam generating device enters the ironing roller, so that the interior of the ironing roller is heated, the problem that rolling and wrinkle removing are conducted at the same time in existing textile fabric processing production is solved, and the situation that spots appear on the fabric when the fabric is ironed by steam during wrinkle removing can be prevented; the flatness and the final yield of the finished textile fabric are improved.

The present invention relates to the technical field of dyeing of down fabrics, and in particular to a fabric dyeing device, comprising a casing, a weaving guide mechanism is arranged on the inner side of the casing, the weaving guide mechanism comprises a plurality of guide rollers, and the plurality of guide rollers are provided with down fabrics for guiding, and a down turning mechanism is movably arranged at the inner bottom end of the casing and below the down surface of the down fabric. The down turning mechanism arranged in the present invention can effectively turn and comb the down surface of the down fabric evenly when dyeing, thereby effectively improving the coloring rate of the down surface of the down fabric and making the dyeing more thorough; the anti-winding uniform mechanism arranged in the device can effectively blow out the down wound on the turning roller, and the inclined blowing box and scraper arranged at the same time can blow and scrape downward the excess dyeing liquid taken away when the down surface of the down fabric is removed from the dyeing liquid, thereby reducing the waste of dyeing liquid and eliminating the accumulation of dyes on the surface of the down fabric.

The utility model discloses a light supplementing camera for identifying tobacco shred sundries, which relates to the technical field of tobacco shred production equipment and comprises a mounting column, a lamp box sleeved on the mounting column and an industrial CCD (Charge Coupled Device) camera fixedly arranged below the mounting column, installation buckles are arranged on the periphery of the hollow portion in the lamp box, sliding rails are arranged on the four faces of the installation column, and the lamp box and the installation column are connected in a matched mode through the installation buckles and the sliding rails. A light supplementing lamp is arranged in the lamp box, and soft light cloth is connected to the lower portion of the lamp box in a nailing mode. A shaft seat plate is welded on the mounting column, four guide shafts are in threaded connection with four corners of the shaft seat plate, guide shaft supports are arranged at the tail ends of the guide shafts, and the guide shaft supports are mounted on the lamp box. By the adoption of the structure, uniform light is provided during the working period of the camera, and the problem that tobacco shred sundries are difficult to recognize and remove due to the fact that the color difference is large under different light is solved.

The utility model relates to the technical field of exhibition hall light assemblies, and discloses an exhibition hall light assembly which comprises a fixing plate. According to the exhibition hall light assembly, through the arrangement of the driving assembly and the damping assembly, when the exhibition hall light assembly is used, a person starts a servo motor B to drive a fixed disc and light filters to rotate, the person can conveniently select different light filters to adjust the color and color temperature of a spotlight, and the requirements of the person for different lighting effects are met; then the servo motor A drives the lifting plate and the spotlight to do lifting motion, a person can adjust the distance between the spotlight and the optical filter according to needs, light rays are more diffused after passing through the optical filter, a more uniform lighting effect is generated, the intensity difference of the light rays is reduced, obvious light spots or shadows are avoided, and the lighting effect is improved. And meanwhile, excessive scattering or loss of light rays can be avoided when the light rays penetrate through the light filter, the lighting efficiency of the lamplight assembly is improved, shaking of the spotlight can be avoided when the height is adjusted through matched use of a damping spring and a damping gasket, and the stability of the device is improved.

The utility model discloses a kind of curtain wall decorative lamps, including lamp shell, light source board, lampshade and adjusting mounting seat, light source cavity inside lamp shell is equipped with asymmetric light-reflecting inclined plane A and light-reflecting inclined plane B, cooperate with the light mixing inclined plane in lampshade, light efficient mixing and uniform light emission are realized jointly, effectively eliminate glare and mottle, light source board adopts double-row lamp pearl of staggered arrangement, each lamp pearl is equipped with flexible convex cover, further eliminate stray light, lamp body bottom connects multiple groups of anti-falling rope, guarantee high-altitude safety, its core is adjusting mounting seat adopts worm gear drive mechanism, by rotating knob, stepless fine adjustment of the pitch angle of lamp body can be realized, and using its inherent self-locking characteristic, ensure that angle adjustment is long-term stable after, windproof and anti-vibration, solve the difficult problem that traditional curtain wall lamp adjustment is complicated, easy to deviate.