18results about How to "Reduce light pollution" patented technology

The invention relates to the technical field of street lamp illumination management, and particularly discloses a street lamp illumination management system based on wireless networking. Comprising a street lamp end and a street lamp illumination management platform. According to the invention, the external environment influence state of each street lamp corresponding to the target urban road region is judged and analyzed, and the regional traffic state of each street lamp corresponding to the target urban road region is judged and analyzed; and performing comprehensive analysis processing on the external environment influence grade judgment signal and the area flow state grade judgment signal of each street lamp corresponding to the target urban road area, thereby realizing comprehensive analysis on the brightness regulation and control demand state of each street lamp corresponding to the target urban road area. And a foundation is laid for optimal regulation and control of the street lamp brightness, regulation and control of the street lamp illumination brightness are more targeted and adaptive to a certain degree, and the traffic efficiency and safety of a road are improved.

The invention relates to the technical field of constructional engineering environment monitoring, in particular to a constructional engineering environment monitoring method and system. The method comprises the following steps: performing feature extraction on a particulate matter real-time spectrum to obtain a particulate matter real-time feature spectrum; performing spectrum color conversion effect simulation on the particulate matter real-time characteristic spectrum, and performing scattering glare view angle analysis to obtain scattering glare view angle data; carrying out medium influence weight judgment according to the scattering glare view angle data to obtain particulate matter glare influence weight data; performing convolution calculation on the particulate matter glare influence weight data, and performing logic learning to obtain particulate matter glare view angle logic data; and carrying out automatic identification firmware design based on the particulate matter glare view angle logic data to obtain particulate matter glare view angle identification firmware. According to the invention, the construction engineering environment monitoring technology is optimized, so that the construction engineering environment monitoring technology is more perfect.

The invention relates to a glass, cellular board and grating combined curtain wall structure. The curtain wall structure comprises a stand column, a blocking board, a glass board, a cellular board, a first grating and an overhanging piece. Overhanging pieces are vertically and fixedly connected to the outer end faces of the stand columns at intervals; the blocking plate and the glass plate are installed on the two adjacent stand columns. A heat-insulating filling area is formed among the blocking plate, the upright post and the wall body and is used for arranging a heat-insulating material; the outer end of the overhanging piece penetrates out of the space between the blocking plate and the glass plate and extends to the outer side of the honeycomb curtain wall area and the outer side of the glass curtain wall area; the cellular board is distributed on the outer side of the blocking board, and the left and right ends of the cellular board are fixedly connected with the outer ends of the left and right adjacent overhanging pieces respectively; the first grating is vertically fixed on the overhanging piece and is positioned between the honeycomb curtain wall area and the glass curtain wall area; and a wind pressure slow release area is formed among the honeycomb plate, the first grating and the blocking plate. The problems that an existing curtain wall is serious in light pollution, poor in heat preservation effect, poor in wind pressure resistance and single in visual effect can be solved.

A vehicle end junction box of a light rail vehicle relates to the technical field of light rail vehicles, combines a high pressure box and a low pressure box into a whole to reduce space, and can achieve the purpose of effectively reducing light pollution. In the light rail vehicle end junction box, the box body is made of an aluminum alloy material and the surface is subjected to paint spraying treatment, and the box cover is made of a stainless steel material and the surface is subjected to wire drawing treatment; the box body is divided into two junction box cavities which are separated by a partition plate, and the partition plate is used for achieving an anti-interference effect; meanwhile, the low-voltage connector and the high-voltage connector are connected with wires in a vehicle by using a terminal strip in the box body; wherein the low-voltage low-current terminal row adopts a quick wiring structure, and a lead is directly inserted into a wiring hole after being crimped with a pre-insulated terminal; the low-voltage large-current terminal row and the high-voltage terminal row adopt a stud wiring mode, and the copper pipe terminal is connected to the terminal row through the lead in a pressing mode and is connected to the terminal row through the socket spanner.

The utility model discloses a multifunctional landscape anti-collision guardrail which comprises a steel base and a steel beam top plate which are vertically connected, and is provided with an anti-collision guardrail steel stand column, a metal transverse pipe and a protective metal plate. The protective metal plate bottom surface connecting plate is connected with the steel base top plate through self-tapping screws; the protective metal plate upstream plate is connected with the end of the steel stand column through the groove of the steel stand column; the protective metal plate side face connecting plate is connected with the steel stand column web through a self-tapping screw. Gaps between the metal transverse pipes are filled with the protective metal plates, and the landscape effect of the anti-collision handrail is improved; the protective metal plate can effectively prevent water splashes caused by vehicles from splashing to the position below the viaduct, and safety measures are provided for passing of vehicles and pedestrians below the viaduct. Through installation of the protective metal plates, splashing of water spots of vehicles can be effectively reduced, lamplight pollution of the vehicles at night can be effectively reduced, lamplight dizziness of opposite traffic flow is prevented, and meanwhile the landscape effect of the anti-collision handrail is improved.

The invention discloses a traffic early warning system based on an intelligent street lamp, and relates to the technical field of traffic. According to the method, traffic data of each road in the subordinate operation area of each smart street lamp is monitored and collected, and then the traffic behavior representation value of each road in the subordinate operation area of each smart street lamp is obtained through analysis, so that the illumination demand of each road can be predicted and planned more accurately, unnecessary energy consumption is reduced, and the energy consumption is reduced. The method provides data support for the system to adjust the light mode of the intersection, finally adjusts the light mode of the intelligent street lamp according to the traffic behavior representation value of each road of the subordinate operation area of each intelligent street lamp, and carries out early warning prompt on an intersection display screen, thereby facilitating the reduction of the risk of traffic accidents, improving the safety of pedestrians and vehicles, and improving the safety of the system. The lighting condition can be accurately mastered, the traffic mobility is improved, and the traffic safety and the living quality of residents can be effectively improved.

The invention discloses high-reliability solid propellant 3D printing curing equipment. The high-reliability solid propellant 3D printing curing equipment comprises a solid propellant 3D printing nozzle structure, an ultraviolet lamp and a printing platform; the high-reliability solid propellant 3D printing nozzle structure comprises a plunger, a charging barrel, a rubber sealing gasket, a nozzle and a nozzle light shield. When solid propellant printing is carried out, the plunger extrudes solid propellant slurry in the charging barrel to be extruded out of the nozzle, the photocuring equipment irradiates the printed slurry to carry out photocuring shaping, and the light shield is installed at the joint of the nozzle, so that the solid propellant is prevented from being cured near a discharging hole of the nozzle to form blockage. The method is wide in application scene, and the solid propellant can be uniformly, efficiently and stably cured and formed.

The utility model discloses a light-emitting diode (LED) lamp chamber of a microscope, which comprises a lamp chamber shell, a lamp is arranged in the lamp chamber shell, the lamp adopts an LED lamp, an illumination structure capable of optimizing the illumination effect is arranged on the lamp chamber shell, and the LED lamp is combined with the illumination structure, so that the optimization of the illumination effect and the reduction of energy consumption are realized. The LED lamp chamber utilizes the optical amplification principle of a microscope to accurately control light rays emitted by the LED light source, so that the lighting effect is optimized, and the light energy utilization rate is improved. Compared with traditional lighting equipment, the LED lamp chamber has higher brightness, lower energy consumption and longer service life, and energy consumption and light pollution can be effectively reduced.

The invention discloses a display screen for inhibiting LED light pollution and a control method thereof, and relates to the technical field of display control. The method comprises the following steps: acquiring environmental parameters of the position of the LED display screen, and estimating the visibility of the LED display screen according to the environmental parameters; according to the visibility, determining a target wavelength of the LED display screen; according to the target wavelength and preset highest brightness, determining a display brightness range of the LED display screen, the highest brightness being less than or equal to a brightness threshold value causing light pollution to human eyes; and determining target brightness according to the display brightness range and the environmental parameters, and adjusting the LED display screen according to the target brightness and the target wavelength. By implementing the technical scheme provided by the invention, the display effect of the LED display screen can be ensured while the light pollution is reduced.

This utility model proposes a curved luminous screen for vehicle instrument panels, including an instrument body, which comprises an instrument shell, a mounting plate, and an OLED self-emissive screen. The mounting plate has a mounting cavity, and a control component is disposed between the mounting plate and the instrument shell. A glass cover is disposed on the mounting plate. The OLED self-emissive screen includes a liquid crystal display module, which comprises a polarizing film, a glass encapsulation layer, a low-temperature polycrystalline silicon layer, and a graphite sheet layer arranged sequentially. The use of an OLED self-emissive screen in the vehicle instrument panel only requires power to the illuminated pixels, resulting in 40%-50% lower power consumption than LCD. This is particularly suitable for extending the range of new energy vehicles. Furthermore, the self-emissive nature of OLED pixels allows for a contrast ratio of up to one million to one, with near-pure black, reducing light pollution, especially during nighttime driving, and improving the readability of instrument information. OLED covers the DCI-P3 wide color gamut, with superior color saturation and reproduction compared to LCD, making warning icons, navigation maps, and other details on the instrument panel clearer.

The invention discloses an ultraviolet phototherapy device for dermatology department, which comprises a box body, the middle end of the left side of the box body is fixedly connected with a working box, the top of the outer surface of the working box is fixedly provided with a driving motor, and the output end of the driving motor is fixedly provided with an adjusting screw rod. Through the arrangement of the driving motor, the adjusting screw rod, the L-shaped rotating rod, the working box, a connecting plate, a moving rod, a second piston, a conveying cylinder, a first one-way valve, a box body, a second one-way valve and a flow guide box, the effect of storing water in the water collecting box is achieved; under the cooperation effect of an adjusting screw rod, a transverse plate, a pressurizing cylinder, a first piston, a vertical rod, a protective cover and an ultraviolet lamp tube, the effective ultraviolet phototherapy effect on a patient is achieved, and meanwhile under the cooperation effect of the transverse plate, the pressurizing cylinder, the first piston, a protective air bag strip and a sponge blocking strip, the patient can be effectively treated; and a gap between the protective cover and the skin of the patient can be blocked.

The utility model discloses a limit pin for preventing point discharge, which comprises a pin component, a locking head and a locking structure, the locking head is provided with an inserting hole, and one end of the locking head, which is far away from the pin component, is of a first spherical structure. The spherical structure is free of sharp edges and corners, electric field distribution at the position of an electric power fitting is improved, overhigh electric field intensity is prevented, a concentrated electric field at the head of an existing cotter pin is evenly distributed to a larger area, local electric field intensity is reduced, and noise pollution, light pollution and electric quantity loss caused by point discharge are reduced. When the pin assembly is inserted into the inserting hole in the axial direction, the locking structure can enable the pin assembly and the locking head to be locked or unlocked, locking is achieved, and the structure is convenient to mount and dismount.

The utility model relates to the technical field of glass manufacturing, and discloses an observation window for a glass processing hot bending machine, a sealing ring is mounted at the bottom of a mounting groove, glass is mounted in the mounting groove and abuts against the outer side of the sealing ring, a first pressing ring is sleeved at one end of a cylinder, and a second pressing ring is sleeved at the other end of the cylinder. One end of the first pressing ring abuts against the outer side of the glass, an observation opening is formed in one side of the first pressing ring, the air inlet pipe penetrates through the outer side of the barrel, and the heat insulation cotton is fixedly connected to the outer side of the barrel in a sleeving mode. According to the utility model, through the arrangement of the high-temperature baffle assembly, heat radiation on the glass lens can be effectively reduced, and meanwhile, harmful light pollution is reduced. The air inlet pipe is arranged on one side of the glass lens, graphite dust in the lens can be effectively blown and swept, the dust is prevented from contaminating the glass and hindering observation of operators, part of heat on the inner side of the glass can be taken away through continuous air flow blowing and sweeping, and the temperature of the glass is prevented from being too high.

The utility model provides a reflection gap film. The gap film sequentially comprises a high cut-off EVA layer, a high reflection PET layer, a UV glue structure layer and a fluorine coating from bottom to top. According to the reflection gap film provided by the utility model, the UV glue structure layer and the high-reflection PET layer are arranged, so that incident sunlight at the gaps of the battery pieces can be utilized, and the photoelectric conversion efficiency can be improved; by arranging the high-cut-off EVA layer, ultraviolet band light can be absorbed, and the problem of yellowing of the photovoltaic module is solved; an aluminum-based structure is not included, so that light pollution can be reduced, and the problems of power attenuation, local short circuit and the like caused by contact between the aluminum-based structure and a battery piece can be avoided; compared with mirror reflection of an aluminum base layer structure, the reflection gap film belongs to diffuse reflection, the anti-dazzle capacity is better, and light pollution can be reduced.

The utility model relates to lighting lamp technical field discloses an optical element and street lamp, including body, first light exit surface and second light exit surface, the body is provided with light source chamber, the first light exit surface is located the cavity wall of light source chamber, the first light exit surface, second light exit surface all rise to the direction of departing from light source chamber, the light of light source chamber in turn passes first light exit surface, second light exit surface and emits; the line of first light exit surface and first cross section intersection is first curve, the line of second light exit surface and first cross section intersection is second curve, first cross section passes light source chamber, and parallel to Y axis direction and Z axis direction, the perpendicular distance of first curve to second curve along first curve presents monotone change, and on the same first cross section, the curvature of first curve in first direction gradually increases, and the curvature of second curve in first direction gradually reduces. The utility model can promote the compatibility of street lamp, adapts to various types of road and various lamp arrangement mode.

This utility model discloses an ultra-wide-angle projection device below eye level, comprising a light source, a reflector, and a support. The reflector is mounted on a mounting surface and contains multiple reflective surfaces capable of primary reflection. Through specific reflective optical design and in conjunction with the unevenness of the ground or building surface, a portion of vertical illuminance is converted into horizontal illuminance, achieving both vertical and horizontal illumination for a three-dimensional lighting effect. This device can generate wide-angle, wide-range, and effective light distribution in multiple directions, including long distances, short distances, and both sides and edges, providing visually comfortable, highly uniform, and low-glare lighting while reducing environmental light pollution and decreasing the wattage and number of lamps. It is suitable for various indoor and outdoor applications, offering high energy efficiency and environmental friendliness.

The invention discloses a positioning tool clamp for heavy automobile accessory welding in the technical field of heavy automobile accessory welding, which comprises a bottom plate and a welding mechanism, and further comprises at least two supporting seats symmetrically distributed on the bottom plate and used for bearing two ends of angle steel, and at least one supporting seat can rotate; the attaching unit is located on the supporting base and can attach the inner wall of the placed angle steel; the first rotating shaft is fixed on the bottom plate and is coaxial with the rotation center of the supporting seat; the two ends of the telescopic baffle are fixedly connected with the first rotating shaft and the non-rotating supporting base respectively, one end of the second baffle is rotatably and fixedly connected, and the other end of the second baffle is rotatably connected with the first rotating shaft; the sliding groove is formed in the bottom plate, a guide shaft is connected into the sliding groove in a sliding mode, and the guide shaft is fixedly installed at the bottom of a supporting seat capable of rotating; the production quality of the tripod can be better guaranteed.

This utility model belongs to the field of infrared lighting technology, and particularly relates to a linear infrared lighting fixture. This utility model provides a linear infrared lighting fixture, including a housing and a lamp plate, with the lamp plate installed inside the housing. It also includes connecting blocks, a connecting plate, and a mounting plate. Connecting blocks are connected to both ends of the housing, and the connecting plate is rotatably connected to the connecting blocks. The connecting plate is detachably mounted on the mounting plate. This utility model overcomes the inconvenience of maintenance in traditional linear infrared lighting fixtures, significantly simplifying the maintenance process and improving maintenance efficiency. The connecting plate is connected to the connecting block via a hinged connection, and its angle adjustment function allows for flexible alignment with the working area, improving the applicability and working accuracy of the lighting fixture.