721 results about "Light at night" patented technology

The invention provides an unmanned vehicle navigation driving method based on a cloud server. A device according to the method comprises three modules, namely the cloud database, an on-vehicle terminal and a ground GPS base station. In the unmanned vehicle, a destination is input through the on-vehicle terminal of the vehicle. Furthermore the destination information, position information and vehicle condition information of the vehicle are transmitted to the cloud database. The cloud database integrates all related information for performing calculation planning, and transmits an optimal driving plan to a vehicle system for execution by a vehicle control system. Furthermore, surrounding environment information is acquired in real time in vehicle driving and is uploaded to the cloud database, thereby realizing real-time synchronous updating of the cloud database and ensuring high reliability and high real-time performance of cloud data. The unmanned vehicle navigation driving method can supply detailed map information for the vehicle on special conditions of rainy or snowy weather, insufficient light at night, covered road surface or covered sign plate, etc.

The present invention provides a device for inhibiting melatonin suppressing light from reaching the retina. The device having means for selectively blocking light having a wavelength capable of suppressing melatonin production in a human.

The invention relates to a self-power generation type street lamp utilizing potential energy for power generation, the street lamp comprises a gravitational potential energy power generation device or an elastic potential energy power generation device for power generation at night, a natural energy power supply device, a street lamp component and a control circuit, wherein the gravitational potential energy power generation device or the elastic potential energy power generation device is arranged in a hollow street lamp upright post and realizes power generation at night through gravitational potential energy or elastic potential energy; the natural energy power supply device is connected with the gravitational potential energy power generation device or the elastic potential energy power generation device and provides power for rising a heavy object of the gravitational potential energy power generation device; the street lamp component is connected with the control circuit and emits light at night by utilizing electrical energy produced by the potential energy power generation device; and the control circuit is arranged on the street lamp component, and the gravitational potential energy power generation device is started to carry out power generation through light control or timing control. The self-power generation type street lamp leads the heavy object and an elastic object to produce the potential energy for carrying out power generation through wind energy or solar energy, thereby effectively utilizing resources, saving power resources of a public power grid and being conductive to protecting the environment.

The invention discloses a luminous waterproof fabric. The luminous waterproof fabric comprises a fabric layer, wherein the outer surface of the fabric layer is covered with a luminous coating layer; and the outer surface of the luminous coating layer is also compounded with a thin film. The luminous waterproof fabric disclosed by the invention can emit light at night, and also has a good waterproof effect, a windproof effect and high heat retention performance; rain water or dew cannot permeate a formed waterproof layer, so that the luminous effect is relatively lasting; and the luminous waterproof fabric can be made into a raincoat, an outdoor tent, a sport suit and decorative cloth and the like.

The invention discloses a noctilucent powder paint which is mainly prepared from the following raw materials in parts by weight: 50-90 parts of film forming agent, 10-30 parts of curing agent, 0.01-0.03 part of defoaming agent, 0.4-1.0 part of flatting agent, 0.4-1.0 part of titanium dioxide, 5-10 parts of glass beads and 8-10 parts of alkaline earth metal aluminate. In the invention, the formula of the paint is optimized, different additives are matched mutually, and the alkaline earth metal aluminate is used as the luminous material, thus the paint can emit light and reflect light at night, the luminous time is more than 12 hours, the luminous intensity can reach 1000mcd / m<2>, the paint can reflect light in the existence of weak light, and the application range of the paint can be expanded.

The invention relates to a residential district night light environment detection system based on a remote vehicle-mounted platform. The system comprises a lifting mechanism arranged on an inspection vehicle, a rotary tripod head arranged on the top of the lifting mechanism, an image acquisition unit arranged on the rotary tripod head, a vehicle-mounted front-end operational state acquisition unit arranged on the front end of the inspection vehicle, a vehicle-mounted control unit and vehicle-mounted antenna arranged on the inspection vehicle, a remote-control computer unit and a control antenna, wherein the vehicle-mounted control unit receives the control signals sent by the remote-control computer unit through the vehicle-mounted antenna and the control antenna and controls the devices respectively; the inspection vehicle realizes various movements; the lifting mechanism ascends or descends automatically; the rotary tripod head realizes free rotation; the image acquisition unit transmits image data to a remote computer; and the vehicle-mounted front-end operational state acquisition unit collects the illuminance near the ground continuously and instantly to transmit to the computer. The system of the invention can accurately and fast measure a plurality of detection indexes such as illuminance, brightness, chrominance and flare, realize remote-control measurement and avoid the threat of vehicles on roads to the security of human, because the light at night is dark.

The invention relates to a non-radioactive environment-friendly energy-accumulation luminous pervious concrete pavement which structurally comprises a soil matrix, a base layer, a reinforced pervious concrete structure layer, a luminous pervious concrete surface layer and a protection layer from bottom to top. The pavement disclosed by the invention has a good ornamental value in daytime, can absorb and storage light energy, can emit light at night to play a role in illumination and indication, has a favorable decoration property and a good energy saving effect and can be widely applied to sidewalks on two sides of courtyards, public areas, scenic spots and driving roads.

The invention discloses a visible light response solar battery, comprising transparent opposite electrodes, electrolyte, dye sensitizer, semiconductor material film and transparent conductive glass stacked in turn between transparent glass, where the transparent glass is coated with a 1-100 mum thick film layer of rare-earth light storage material which is rare-earth containing oxide, sulfide, or oxysulfide with long afterglow performance. And the ligh storage rare-earth functional material can store part of solar energy and emits visible light at night to make the solar battery absorb part of the emitted visible light at night to continue operating, and simultaneously the unabsorbed visible light emitted by the light storage material can be used to decorate and illuminate. And the invention can fully absorb UV and visible light from sunlight, improving photoelectric converting efficiency of the solar battery. If the solar battery and glass are combined and used in buildings or street lamps, they can play the role of saving energy and decorating.

The invention belongs to the technical field of electronic surveillance, and relates to a surveillance camera filtering system and method. According to the system and the method disclosed by the invention, a light filter is switched into an infrared light filter in the daytime, and infrared light can be filtered so as to solve the color cast problem caused by the infrared light in the day time; at night, since visible light brings severe interference to a driver at night, a visible light white-light lamp is forbidden to use for snapshotting, the light filter is switched into an all-pass light filter to allow as much light as possible to enter the surveillance camera; meanwhile, the white-light lamp which emits infrared light and ultraviolet light is used, clearer images can be snapshotted since the infrared light and the ultraviolet light have an obvious light filling effect under a condition of dark light at night, and a license number or specific surveillance characteristics can be better extracted.

The invention discloses a laser-vision linked night invasion detection device, which realizes the detection and identification of invasion events by laser detection and active vision technology at night. The invention relates to invasion detection technology in security protection, in particular to optoelectronic and visual information processing technology-based invasion detection. The technical problems needing to be solved are to detect and identify the invasion events of pedestrians or vehicles in an environment with poor light at night, and prevent false alarms. In the device, a modulated laser beam is used as a detection light source and is matched with a photoelectric signal collector, a photoelectric signal amplifier and a photoelectric signal processor to form a front-end unit; and a camera provided with active illumination and an embedded image processor are used as a rear-end response processing unit. When the invasion events occur in a detection area, a laser photoelectric signal is interrupted to trigger an active vision system so as to realize linkage and improve the reliability of the invasion detection. The laser-vision linked night invasion detection device can be used for anti-invasion security detection around residential areas, storerooms, airports and other important places.

The invention discloses an adaptive fault indicator, which comprises a sensor unit, a sampling unit, a control unit, a display unit, a fault signal output unit and a communication unit, wherein the sensor unit and the sampling unit output detection signals to a signal conditioning unit; the signal conditioning unit outputs voltage, current and grounding signals of user lines to the control unit; the control unit judges fault occurrence, type, time and storage and reset of fault information, and outputs fault signals to the display unit, the fault signal output unit and the communication unit respectively; and an action cylinder for turning the indicator is luminous at night. The adaptive fault indicator has the advantages of realizing reliable identification of grounding fault and short-circuit fault, turning the indication fault and lighting at night to indicate the fault. When communicating with a master station of a system, the adaptive fault indicator can report fault data in realtime for the master station system to intensively acquire and accurately and quickly judge the specific position of the fault, thereby implementing coordination action with an automatic fault isolation device, facilitating fault removable in time to recover power supply, improving the power supply reliability and reducing the workload of maintainers.

The invention provides an infrared laser day-and-night gun collimation device. A low-illuminance infrared extending CCD is used as an imaging detector, and an aperture adjusting mechanism is designed behind an objective lens so that the gun collimation device has a large dynamic response range, and can normally work under strong illuminance in daytime and faint light at night; in addition, a semiconductor infrared laser light source is additionally arranged, which can realize the gun collimation device can normally work under a completely dark condition, thereby ensuring that the gun collimation device can normally work under various conditions in daytime and at night. Electronic graduation is utilized so that adjustment and locking are convenient, and the collimation precision can be ensured. In addition, by utilizing wire video output and wireless video output, synchronous observation for a command center and a shooter can be realized, command and control are convenient, and the utilization efficiency of the gun collimation device is improved.

The invention discloses a method and a device for light supplementary by combining the natural light in daytime and artificial supplementary light at night in a barton. The method comprises the following steps: breeding chickens in the barton allowing natural light to enter, and mounting an LED lamp A or an LED lamp B or mounting both the LED lamps A and B for light supplementary in the barton; wherein the color temperature of the LED lamp A is 6,172 K, the dominant wavelength of the LED lamp A is 492.5 nm, and the peak wavelength of the LED lamp A is 450.5 nm, the color temperature of the LED lamp B is 1,831 K, the dominant wavelength of the LED lamp B is 588.3 nm, and the peak wavelength of the LED lamp B is 591.1 nm; the lamps for light supplementary can also be the LED lamps which have similar spectrum with the LED lamp A or the LED lamp B; in daytime, the chickens receive the natural light penetrating through a window in the barton or are sent out of the barton to receive illumination; and at night, the chickens receive artificial supplementary light to enable the average light intensity of the contact surface of chicken claws to be 5-30 Lux. During the whole breeding process, the LED lamp A or the LED lamp B is used, or the LED lamp A is firstly used before the chickens are of 40-day-age and then the LED lamp B is used. The switch of each LED lamp is controlled by a hand switch, an autotimer or a controller. The method and the device disclosed by the invention are applicable to breeding of yellow feather broilers in large-scale bartons.

The invention belongs to the field of floor processing, in particular to a processing technique of noctilucent glazing floors. The processing technique is good in decoration and comprises the following steps of (1) processing a floor slab; (2) coating noctilucent primer on the floor slab processed in the step (1) to obtain a first floor slab; (3) coating elastic primer, wear-resisting primer and hardening primer on the first floor slab processed in the step (2) to obtain a second floor slab; and (4) coating glazing paint on the second floor slab processed in the step (3) to obtain the noctilucent glazing floors. The glazing paint is coated outside the noctilucent primer of the processed floors to enable the floors to give out full and soft light at night, simultaneously friction losses or oxidation of the noctilucent primer can be well avoided, weather resistance of the noctilucent primer is strengthened, and lighting service life of the noctilucent primer is prolonged. The glazing paint is applied to the surface of the floors, glossiness, abrasive resistance and fire resistance of the floors are strengthened, flame retardant efficiency of the floors is good, strength is high, and deformation caused by external temperature and humidity is not easy to cause.

The invention relates to a gradual change photochromic and electrochromic polarized spectacle lens and a production method thereof. The spectacle lens comprises a photochromic resin lens (1), a gradual change front polarized film (2), a liquid crystal box (3), a gradual change back polarized film (4), and a transparent resin lens (5). The production method of the spectacle lens comprises the following steps: placing the photochromic resin lens, the gradual change front polarized film, the liquid crystal box, the gradual change back polarized film and a resin protection lens in a glass die in sequence; applying UV photosensitive adhesive in the intervals among all layers; tightly clamping with a die and irradiating with ultraviolet light for 10 to 20 minutes; dissembling from the die after photosensitive adhesive is completely solidified, polishing edges; and obtaining finished lens with standard optical parameters, no impairment and no bubbles after examination. By adopting the invention, the lens has the double functions of sheltering from sunshine in day time and sheltering from glaring light at night. The transmittance of the lens is larger than or equal to 95%. The transmittance raises from 20% to 80% gradually from top to bottom on the film surface.

The invention discloses a reflective composite material well cover and a preparation method thereof. The reflective composite material well cover comprises the following components in percentage by mass: 15 to 60 percent of polypropylene, 20 to 60 percent of enhanced masterbatch, 5 to 40 percent of filling masterbatch, 3 to 20 percent of flexibilizer, 0.1 to 10 percent of reflective material, 0.1 to 1 percent of antioxygen and 0 to 3 percent of other aids. In the invention, the well cover prepared by using cheap and easily-available thermoplastic resin as substrate materials and by specific production process has the advantages of high strength, high compact resistance, high corrosion resistance, simple process, low cost and the like, and has a function of reflecting light at night.

The invention relates to the video field, in particular to the content analysis of the video and the object detection field. The purpose of the invention is to solve problem that the moving object segmentation is easily affected by illumination changes in the application of video monitoring, such as abrupt change of solar illumination in daytime, automobile light at night, a great amount of falsealarm can be generated by using the traditional method. Two key technologies are utilized in the invention for realizing the above purpose. One key technology is to take a space-time video block as abasic process unit, thus apparent spatial information and time motion information are simultaneously utilized to carry out background modeling and prospective detection segmentation. The other key technology is to effectively capture background modeling by utilizing online sub-space learning method. The method can be used in the systems for processing and analyzing the video content, which need tocarry out background modeling and prospective detection, such as video monitoring system.

The invention relates to a multifunctional ecological isolation pier which comprises a plant growing tank and a tail gas degradation tank base. Plant growing holes are formed in the plant growing tank. A cavity is formed inside the plant growing tank and filled with plant growing soil. The plant growing holes communicate with the cavity in the plant growing tank. Flowers are planted on the plant growing soil in the plant growing holes. Clamping grooves are formed in the two sides of a tail gas degradation tank. Transparent resin plates are embedded and inserted in the clamping grooves. A cavity is formed inside the tail gas degradation tank and filled with artificial noctilucent stone and a titanium dioxide package. The base is provided with water permeable holes and a bottom groove. The multifunctional ecological isolation pier has the beneficial effects that (1) the isolation pier is made from active powder concrete, thereby having high strength, high toughness and impact resistance; (2) through the assembled structure, the isolation pier is convenient to transport and install; (3) by adoption of the flowers, titanium dioxide powder, kieselguhr and ceramic grains, the isolation pier has the functions of impurity filtering-out, landscaping and tail gas degradation; and (4) by using the artificial noctilucent stone, the isolation pier can emit light at night, thereby achieving the traffic lighting effect.

A luminescence glass technology product and a production method thereof are provided, which relate to a glass technology product and a production method thereof and mainly solve the problem that the current technology product cannot give off light at night or when the light is dark. The glass of the glass technology product is provided with luminescent powder. The production method is that a blowing bar is dipped with a little of glass melt to blow vesicles; the surface of the vesicles is evenly dipped with luminescent powder, put into a heating furnace to be heated to flash melting status; then the surface of the vesicles is dipped with glass melt and blown into the luminescence glass technology product in a mould. The invention has the advantages that: the luminescent powder in the glass can give off light at night or when the light is dark after being irradiated by strong light or during the day, thus improving the beauty and visual effect, giving people feeling of enjoying a piece of art. Especially in entertainment places such as bars, cabarets, the invention can give people some fun and pleasure, thereby having high practical value.

The invention discloses a luminous paint for jet-printed advertisements, which consists of the following components in part by weight: 2 to 4 parts of toluene diisocynate; 6 to 8 parts of rare earth luminescent powder; 35 to 40 parts of acrylic resin, 0.1 to 0.2 part of organic argil; 5 to 10 parts of methylbenzene; 4 to 5 parts of butyl acetate; 2 to 8 parts of propylene glycol; 2 to 8 parts of n-butyl alcohol; 0.2 to 0.4 part of dioctyl phthalate; and 0.4 to 0.6 part of fatty acid polyglycol ester. The components are uniformly mixed, are milled in a ball mill for 1 to 2 hours and are then dispersed in a high-speed dispersion machine for 10 to 20 minutes, and thereby the luminous paint for jet-printed advertisements is prepared. The cost of the luminous paint for jet-printed advertisements is low, and the luminous paint for jet-printed advertisements can emit light at night.

The invention discloses a noctilucent environment-friendly PVC (Polyvinyl Chloride) coated fabric. The noctilucent environment-friendly PVC coated fabric is composed of high-strength dacron cloth and a coating layer, wherein the coating layer is coated on the high-strength dacron cloth, and the coating layer and the high-strength dacron cloth are heated and dried to be formed. The coating layer comprises the following components in parts by weight: 70-90 parts of PCV paste resin, 100 parts of a packing material, 50-80 parts of a plasticizer, 0.5-1.5 parts of a mildew preventive, 0.5-1.5 parts of a stabilizer and 5-10 parts of a halogen-free frame retardant. The packing material comprises the following components in parts by weight: 20-50 of photoinduced energy storage noctilucent powder, 25-40 of white carbon black and 25-40 of aluminium hydroxide. According to the noctilucent environment-friendly PVC coated fabric, the photoinduced energy storage noctilucent powder is used as the component of the packing material, so that the coating layer can give out light at night or in dark and is safe and reliable, and energy sources are saved. The prepared product is green and environment-friendly due to the application of various non-toxic environment-friendly preparations, and the phenomenon that workers are poisoned is avoided.

The invention discloses a light-transmitting light-storing self-luminous surface layer material used for water permeable roads in a sponge city and a preparation method of the surface layer material.The surface layer material is characterized by being prepared by mixing of the following raw materials: 30 parts by weight of a transparent resin A component, 10 parts by weight of a transparent resinB component, 20-60 parts by weight of luminous powder, and 200-800 parts by weight of waste glass recycled sand; and the transparent resin A and B components form a low-viscosity epoxy resin glue. The preparation method comprises the following steps: the raw materials are mixed uniformly under stirring according to the above ratios, forming is performed, curing is performed, and demoulding is performed, so that the surface layer material is obtained. The light-transmitting light-storing self-luminous surface layer material provided by the invention is used as a surface layer of water permeable concrete, a water permeable pavement brick or a water permeable pavement panel for the construction of the water permeable roads in the sponge city, has good bonding performance, mechanical properties and water permeability, and satisfies the load and water permeable requirements of the roads in the sponge city; and the surface layer material can transmit light and store light under conditions of sufficient sunlight, and is luminous automatically under conditions of no light at night, has better decorative and warning effects, and can partially replace street lamps for lighting, thereby reducing energy consumption of road lighting.

The invention discloses a self-luminous reflecting film and a preparation method thereof. The self-luminous reflecting film comprises a substrate, a reflecting layer, a reflecting-light storing layer and a surface layer sequentially from bottom to top, wherein as for the reflecting-light storing layer, ink is applied to a reflecting material die in a micro prism array structure and with a metal coating, after solidification through irradiation of an ultraviolet lamp, the reflecting-light storing layer is prepared after stripping from the die, and the reflecting-light storing layer has a thickness of 0.1 to 1 mm. The prepared light storing film can reflect light in a condition of light at night, a safety warning role is played, the light storing film can emit light in a condition with no light or weak light, the time duration can reach more than 12 h, energy loss can be greatly reduced, the energy-saving role is played, and besides, the preparation method is simple, the production cost is low, and popularization is facilitated.

This invention generally relates to decorative spinners. More specifically, this invention relates to a spinner apparatus rotated about its vertical axis, either by wind blowing across its face or in a second embodiment, spun by a motor drive unit. The spinner apparatus consists of a number or set of letters or other decorative symbol or logo on or in a pad centered between concentric bands of tinted transparent material coated metal which are connected at the top and bottom and progressively radially displaced about their vertical axis as they approach the inner band. When the device is spun either by the wind blowing it or by an electric motor, the numbers, letters or symbols stand out and appear to be stationary in the line of sight of the viewer and the bands progressively rotated off the plane of the outside band and the center detail provide an interesting wind catching and light reflecting three dimensional shape. When the spinning apparatus is lighted at night it takes on an electric glow appearance and the light appears to move either from the center outward or from the outside inward depending on the direction of rotation.

The invention discloses an environment-friendly water-based self-luminous paint with good weather resistance, which is composed of the following raw materials: 10-50% of hydroxyl acrylic resin emulsion, 1-20% of light diffusing agent, 10-60% of long afterglow luminous powder, 0.1-5% of modified bentonite, 0.05-1% of water-based silicone defoamer, 0.05-1% of water-based silicone leveling agent, and 5-30% of isocyanate prepolymer. It has good adhesion and is suitable for the surface of metal, plastic, ceramics, wood, walls and other materials. It has the ability to absorb sunlight during the day and emits light naturally at night. It has high light transmittance, high luminous intensity, soft light and long afterglow time. The visual sensory effect is clear; the coating is sprayed on the surface of the material and has good weather resistance, and the service life is increased by more than 5 times.

The invention provides a touch delay gradually-brightening and gradually-dimming LED (Light-Emitting Diode) illuminating lamp. The touch delay gradually-brightening and gradually-dimming LED illuminating lamp is characterized by comprising a 12V direct-current power supply, a hand-touch signal pick-up monostable circuit and an LED illuminating lamp driving circuit, wherein the model of a time-base circuit IC1 in the hand-touch signal pick-up monostable circuit is NE555. The touch delay gradually-brightening and gradually-dimming LED illuminating lamp can directly replace a normal delay road lamp switch without alteration of an original illuminating circuit. When a person turns on the illuminating lamp, the illuminating lamp is lighted up, and automatically goes out after about 60 seconds (time can be set). The touch delay gradually-brightening and gradually-dimming LED illuminating lamp is suitable for places where short-time illumination is needed such as stairs, corridors and washrooms. The touch delay gradually-brightening and gradually-dimming LED illuminating lamp is different from a normal illuminating lamp in that the LED illuminating lamp goes on slowly when being turned on, and goes off slowly when being turned off. Through adoption of the working mode, human eyes are protected from being stimulated by strong light at night, and the physiological hygiene requirements of human eyes are met.

The invention discloses environment-friendly, waterproof, wearproof and fluorescent wallpaper which comprises a base layer and a pattern layer arranged on the base layer. The wallpaper is characterized in that an environmental protection material layer is arranged above the pattern layer, an adhesive layer is arranged above the environmental protection material layer, a waterproof layer is arranged above the adhesive layer, a fluorescent layer is arranged above the waterproof layer, a wearproof layer is arranged above the fluorescent layer, an adhesive sticker layer is arranged below the base layer, a release paper layer is arranged below the adhesive sticker layer, the environmental protection material layer adopts one of pine twigs, weeds and dried fruit materials, the wearproof layer is made of an epoxy resin material, the waterproof layer is made of a polyethylene material, the thickness of the fluorescent layer is 0.23 mm, and the thickness of the waterproof layer is 0.4mm. The environment-friendly, waterproof, wearproof and fluorescent wallpaper has long service life, better glossiness and high wear resistance, can give out light at night, resist water and remove bacteria, cannot produce spots and get mouldy and is beneficial to body health and indoor environment.

The invention discloses a photoelectric key door lock device which comprises a luminous key and a photoelectric door lock, wherein the luminous key emits a light signal containing a private key; the photoelectric door lock receives the light signal, decodes the private key contained in the light signal, and matches the private key with a private key stored in the photoelectric door lock; the door lock is opened under a condition of successful matching. Due to the photoelectric key door lock device, the shortcoming that a door lock battery is required to be replaced when a door is opened through a radio frequency card is overcome; the problem that the door is inconveniently opened by the key under a condition of no light at night is solved.