12results about How to "Reduce light intensity" patented technology

The utility model discloses a kind of high space utilization and low dazzling lens, including lens body, several circles of lens ring are integrally formed on lens body, lens ring includes several sequentially connected lens parts, the light-out surface side of lens part is diamond convex structure, the light-in surface side of lens part is hemispherical groove structure.The lens body of the utility model integrally formed with several circles of lens ring, lens ring includes several sequentially connected lens parts, the light-out surface side of lens part is diamond convex structure, form shading angle between the diamond convex structure of adjacent two lens parts, diamond convex structure of adjacent lens part can be absorbed and reflected to large-angle light, so as to reduce the light intensity of large-angle light, make UGR reduce, realize low dazzling effect.

The utility model discloses a kind of microscopic automatic focusing device and electronic equipment based on laser spot, it is related to automatic focusing field.The microscopic automatic focusing device includes: one or more than two optical rotators, be set in objective lens group or between objective lens group and measured object, for once or multiple rotation polarization direction of all linear polarization detection light received by automatic focusing sensor, to distinguish from polarization direction of all or part objective lens group surface reflected light;First polarizer, set in the front side of automatic focusing sensor, only for eliminating all or part of the reflected light outside the linear polarization detection light.Based on the above setting, the polarization direction of linear polarization detection light is changed by optical rotator, so that it is different from the polarization direction of reflected light directly reflected from objective lens surface to automatic focusing sensor, based on this, all or part of reflected light is eliminated using first polarizer, reduce the stray light generated by internal lens of objective lens group reflection.

The invention relates to the technical field of ultraviolet crosslinking devices, and discloses a multiband ultraviolet crosslinking instrument which comprises a light source module which is composed of a plurality of UVA, UVB and UVC band LED lamp beads capable of being independently controlled and arranged to form an area light source; the sensor module comprises ultraviolet sensors corresponding to three wave bands of UVA, UVB and UVC respectively and is used for detecting the ultraviolet light intensity of each wave band in real time; the human-computer interface is used for receiving a feedback signal of the sensor module; the ultraviolet cross-linking instrument effectively solves the problems that an existing ultraviolet cross-linking instrument adopts a plurality of ultraviolet lamp tubes to irradiate experimental materials in a cavity, a power control mode is that the lamp tubes are detached and replaced with lamp tubes with different light source wavelengths to irradiate in different wave bands, the lamp tubes are not surface light sources, the lamp tubes can cause uneven irradiation in the cavity, and the irradiation efficiency is low. The ultraviolet light intensity received by each area on the surface of the sample is inconsistent, so that the problem of experimental errors caused by non-uniform illumination can be solved.

The application provides a preparation method of a mixed photoresist and a metal electrode, and relates to the technical field of light emission. The raw material of the mixed photoresist comprises a negative photoresist and a light-absorbing photoresist, and the volume ratio of the two is (2.5-3.5):1. The preparation method of the metal electrode comprises the following steps: using the negative photoresist to perform first coating on a surface with a set structure, so as to obtain a first photoresist layer; continuing to use the mixed photoresist to perform second coating, so as to obtain a second photoresist layer; exposing the double-layer photoresist layer, so as to obtain a double-layer photoresist layer with a set pattern; arranging a metal layer on the second photoresist layer with the set pattern; and stripping the double-layer photoresist layer under the metal layer, so as to obtain the metal electrode.

This utility model relates to the field of automotive lighting technology and discloses an integrated low beam and high luminous intensity ADB module, comprising: a high beam module, a first inner lens, and an outer lens arranged sequentially along the light transmission direction; the module also includes a low beam module and a second inner lens disposed directly above the low beam module, with a light-blocking plate disposed in the opposite direction of the light reflected from the second inner lens; the high beam module and the low beam module respectively have high beam LEDs and low beam LEDs, and by providing the first inner lens, which has an upper surface and a lower surface, the light can be collected as much as possible on the upper surface and concentrated on the lower surface to form a high-intensity illumination area, and the illumination of a specific area can be achieved by turning off the high beam LED group, reducing the light intensity for oncoming vehicles or pedestrians, thus taking into account both the illumination range and oncoming driving safety.

The utility model discloses an LED lamp which comprises a hanging rod, a glass cover and switching cylinders, the glass cover and the switching cylinders are arranged on the hanging rod in a sleeved mode, the switching cylinders are connected to the lower end of the glass cover, every two adjacent switching cylinders are connected through the switching cylinders, cavities are formed in the switching cylinders, and LED lamps are arranged on the side walls of the cavities. Compared with the prior art, the novel lamp string has the beneficial effects that the LED lamps are arranged in the adapter tube at the top end of the glass cover and are shielded by the cover plate, and compared with a traditional lamp string in which the LED lamps are directly distributed on lamp wires, the novel lamp string can reduce the light intensity and make the light softer.

The utility model relates to the technical field of coal preparation, in particular to a remote control system for a filter press of a coal preparation plant, which comprises a filter press field control cabinet and a centralized control system, the pressure filter field control cabinet comprises a touch screen and a field PLC (Programmable Logic Controller), the touch screen is in communication connection with the field PLC, the field PLC is electrically connected with electrical equipment for realizing normal work of the pressure filter, and the centralized control system comprises a lower PLC and an upper industrial computer which are arranged in a control room and are in communication connection with each other; the lower PLC is in communication connection with the field PLC; the system further comprises a black water detection device, the black water detection device comprises an illuminance sensor and an LED illuminating lamp, the illuminance sensor and the LED illuminating lamp are oppositely arranged on the two side faces of the filter press water receiving tank so that light beams emitted by the LED illuminating lamp can penetrate through water in the filter press water receiving tank and then irradiate the illuminance sensor, and the illuminance sensor is electrically connected with the lower PLC. An alarm threshold value can be set according to the condition that the illumination intensity, detected by the illumination sensor, of the LED illuminating lamp in the clean water state in the water receiving tank of the filter press is taken as the reference, the illumination intensity detected by the illumination sensor can be reduced along with the mixing of the clean water into materials, and when the illumination intensity is reduced to the alarm threshold value, the lower PLC can affirm that black water is generated; at the moment, an alarm can be given through the upper industrial computer, a shutdown instruction is sent to the field PLC, remote monitoring is achieved, the labor cost is reduced, and people are prevented from being hurt by high-pressure oil and high-pressure wind.

The utility model discloses a wine cabinet integrating wine bottle storage and display, which relates to the technical field of wine cabinets, and comprises a wine cabinet main body, three layers of partition plates are arranged in the upper part of the wine cabinet main body, a plurality of groups of bases are arranged on the outer surfaces of the upper ends of the three groups of partition plates, and a connecting plate is arranged in each group of mounting groove; an arc-shaped side plate is arranged on one side of the upper end of each set of connecting plates, limiting pins are arranged on the two sides of the lower portion of each set of connecting plates, a reset spring is arranged below each set of connecting plates, a pressing plate is arranged in the base, and a rubber pad is bonded to the outer surface of the upper end of the pressing plate. According to the wine cabinet integrating wine bottle storage and display, a worker can conveniently fix the bottom of a wine bottle through the arranged base, the wine bottle in the wine cabinet body is protected through the arranged glass protection door, meanwhile, other people can conveniently watch the wine bottle, the illumination intensity can be effectively reduced through the arranged heat insulation film, and wine deterioration is prevented.

The utility model discloses a flexible wall washing lamp, which comprises a plurality of PCB (printed circuit board) lamp panels connected through metal leads, and each PCB lamp panel is provided with an LED (light-emitting diode) luminous source; each optical lens is arranged above each LED light emitting source and is fixed with the corresponding PCB lamp panel; the shading insulating coating layer wraps the plurality of PCB lamp panels and the plurality of optical lenses, and a waterproof perspective window is arranged at the position right opposite to each optical lens; and a plurality of light-transmitting anti-dazzle grid sheets, wherein each light-transmitting anti-dazzle grid sheet is embedded and fixed in one perspective window. The anti-dazzle LED lamp is simple in structure, easy to install, capable of being bent in multiple directions and capable of achieving the anti-dazzle effect.

The application provides a test device and method for testing the influence of photovoltaic on vegetation growth, and relates to the technical field of photovoltaic. A photovoltaic influence module has a photovoltaic vegetation planting area, and a natural control module has a control vegetation planting area; a photovoltaic simulation module includes a photovoltaic panel simulation piece and a thermal radiation simulation piece, the photovoltaic panel simulation piece is arranged above the photovoltaic vegetation planting area to simulate the photovoltaic panel shielding the photovoltaic vegetation planting area; the thermal radiation simulation piece is arranged in the photovoltaic vegetation planting area to simulate the thermal radiation of the photovoltaic vegetation planting area; a rainfall simulation module is used to spray irrigation water above the photovoltaic panel simulation piece above the photovoltaic vegetation planting area, so that the irrigation water can form the form of rainfall after being shielded by the photovoltaic panel; a control rainfall simulation module is used to simulate natural rainfall in the control vegetation planting area. The application reproduces the environment under the photovoltaic panel through the synergistic effect of the photovoltaic panel simulation piece, the thermal radiation simulation piece and the differential rainfall system.

The utility model relates to the technical field of electric power equipment protection, and discloses an insulation protection device for an electric power overhead line, which comprises an insulator, the left side and the right side of the outer wall of the insulator are respectively provided with an insulation cover, the tops of the adjacent sides of the two insulation covers are rotatably connected, the inner walls of the two insulation covers are respectively and fixedly connected with a support frame, and the support frames are fixedly connected with the insulator. Heat absorption cotton is fixedly connected to the outer wall of the supporting frame, reflecting plates are fixedly connected to the outer walls of the two insulating covers, waterproof layers are fixedly connected to the blocking outer walls of the two reflecting plates, and a dustproof plate is rotationally connected to the bottom of the insulating cover on the front side. According to the utility model, through cooperation of the insulating cover and the support frame, the heat absorbing cotton is stably supported, the heat absorbing cotton rapidly absorbs heat penetrating through the insulating cover, the reflecting plate reflects sunlight and reduces light intensity, and through cooperation of the insulating cover and the support frame, damage of sunlight exposure to the insulator is greatly relieved and stable performance of the insulator is comprehensively guaranteed.

The present application relates to the technical field of semiconductor manufacturing, in particular to a nanometer high-precision bonding mark measurement system, which mainly solves the technical problems of interference ghost interference, high system complexity and sensitivity to object table parameters in the existing nanometer high-precision bonding mark measurement system. The system comprises a transparent object table, a collimating light source, an imaging module and a processing module; the upper and lower surfaces of the optical window of the transparent object table are provided with an antireflection film; the collimating light source is arranged below the transparent object table to provide collimated light penetrating the optical window and the wafer pair; the imaging module collects the superimposed image of the alignment marks of the upper and lower wafers; and the processing module is used for determining the center positions of the upper and lower wafer marks and calculating the alignment deviation. The system suppresses the interference ghost caused by the multiple reflections of the transparent object table through the collimating light source, and the antireflection film suppresses the reflection loss, thereby improving the image contrast and positioning accuracy; at the same time, the optical path structure is simplified, and the system is not sensitive to the thickness of the transparent object table, thereby improving the system stability and production efficiency.