68results about How to "Sufficient light intensity" patented technology

To provide an auto light system which allows the driver to confirm the head light beam direction and range easily and to switch the light state easily in the auto light system for controlling the head light beam direction and range. The auto light system comprises a light control means 4 for controlling the light 6 of the vehicle, a manual light operating means 8 for operating manually the light 6, said manual light operating means 8 operated in response to the output signal from the light control means 4, and a display means 7 for displaying the control state of the light 6 controlled by the light control means 4.

The invention discloses a forest fire pre-warning method and system based on deep learning and belongs to the field of firefighting safety. The method comprises: S1, allowing an unmanned aerial vehicle to sense, in real time, temperature and humidity information of a driving area, taking a forest image of the driving area, transmitting the forest image to a ground station; synchronously transmitting locational information to the ground station; S2, judging fire pre-warning according to the temperature and humidity information, and transmitting a fire pre-warning signal to the ground station; S3, allowing the ground station to receive the fire pre-warning signal, and using a deep learning algorithm to process the forest image to obtain whether a fire is about to occur or whether fire results are present; S4, transmitting fire information to a forest management center. The temperature and humidity information is sensed and subjected to comparison; visual judgment is made on chances for afire to occur; if chances for the fire to occur are great, the forest image is processed via the deep learning algorithm; fire pre-occurrence and post-occurrence conditions can be precisely recognized; it is convenient for relevant personnel to accurately acquire fire conditions in the first place.

The present invention relates to a light emitting apparatus comprising at least one light emitting device and a support mechanism. The light emitting device includes a transparent substrate which light can pass through; at least one LED chip emitting light omni-directionally is disposed on one surface of the substrate, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. The support mechanism is coupled to the light emitting device; a first angle is formed between the substrate and the support mechanism. According to the present invention, the light emitting apparatus using LED chips can provide sufficient lighting intensity and uniform lighting performance.

An LED illumination device 1 for vehicle use includes an LED lamp 10, a circuit 5 for supplying a current to the LED lamp from a power supply mounted on the vehicle, and a current control unit 7 for controlling the current supplied to the LED lamp 10 so as to be inversely proportional to the environmental temperature of the LED lamp 10. In this manner, in the current supply circuit, an LED chip 11 is coupled to the collector of a common-emitter type transistor 15. The current control unit includes a PTC thermistor 21 and the PTC thermistor 21 is coupled to the base of the transistor 15, whereby a current supplied to the base is made small when the temperature of the PTC thermistor 21 becomes high. The PTC thermistor 21 is placed in a circumstance where the temperature thereof becomes same as the environmental temperature of the LED chip 11 at the time where the LED chip 11 is in an OFF state.

The invention provides easy handling and low cost-support equipment for measuring optical nerve-activity which is less stressful for subjects or doctors and the like. The support equipment, which provides light stimulation for subject eyes with its main body 10 fixed to the subject-head region and measures the subject optical nerve-activity, comprises a thin walled-main body 10 with a plurality of optical fibers 11 joined in the width direction; light emission regions 13a, 13b at least one of which is positioned in the main body aligned to the subject eye-position(s) and composed of a plurality of light leak parts 11c formed in peripheral surfaces of the optical fibers 11; and a connector 12a for connecting with a light emission device 12 providing light for each of the plurality of optical fibers.

Illumination unit for the generation of optical sectional images in transparent media, particularly in the eye is disclosed. In the arrangement according to the invention, the low-divergence beams emitted by a laser serving as illumination source are imaged on or in the eye under examination by a reflection element which is controllable in a defined manner and beam deflection elements present in the beam path. The optical sectional images resulting in and on the eye can be observed and / or recorded, further processed and evaluated with an image processing unit in a known manner. In the solution according to the invention, a sectional image is generated by the deliberate periodic beam deflection of a particularly fine laser beam with high depth of focus, which sectional image remains sharp through the entire dimension of the object to be examined and makes possible an improved evaluation. The intensity of the laser beam bundle can be varied in such a way that it is sufficient for observation and documentation, but so that the diameter of the beam bundle is fine enough for a high detail resolution.

A method and an arrangement for warning road users of potential danger areas caused by a vehicle that is or is intended to be carrying out a driving maneuver use a control device that retrieves the steering angle of the vehicle by at least one steering angle sensor, retrieves the direction of travel from a driving speed selector and, from the steering angle and the direction of travel, cyclically determines a future road space that will be occupied within a specifiable time and speed in the event of maintaining the steering angle using a steering model of the vehicle accessible by the control device. The information thus obtained about the future occupied road space is used to control at least one projection device such that at least a part of the future occupied road space is made visible by a light projection onto the surface of the ground surrounding the vehicle.

A surface inspection system for projecting a laser beam to a surface of a substrate and for detecting a foreign object by detecting scattered reflection light of the laser beam, comprising a light source unit having a plurality of light emitting sources for emitting the laser beams, and a projecting optical system for projecting the laser beam from each of the light emitting sources to the surface of the substrate.

The invention provides a light control-based energy-saving system and method for a classroom. The light control-based energy-saving system comprises a central processor, a human body detection module, a photosensitive circuit module, a key module and a setting module, wherein the central processor is connected with the human body detection module, the photosensitive circuit module, the key module and the setting module respectively; a classroom lighting mode is set into a general mode, a self-study energy-saving mode and a class slide show mode; on and off of lighting equipment are controlled in the general mode according to the intensity, of ambient light in the classroom, obtained by the photosensitive circuit module and the personnel distribution obtained by the human body detection module; on and off of the lighting equipment are controlled in the self-study energy-saving mode according to the personnel distribution obtained by the human body detection module; and all pieces of lighting equipment are closed in the class slide show mode. According to the light control-based energy-saving system and method for the classroom provided by the invention, different lighting strategies are customized according to different lighting modes, so that subjective power waste caused by no intention is avoided.

The invention discloses a tea garden planting method. The tea garden planting method comprises the steps as follows: reserving one row of old tea trees and removing the next row of the old tea trees during digging in a tea garden, replanting the tea trees in the row which is removed by digging, and selecting seedling plants which have the heights of not less than 20 cm and grow for at least two years in land for tree nursery as the new planted tea trees; removing the reserved old tea trees by digging after the new planted tea trees grow for three years; and selecting Foxiang No.2 or Foxiang No.3 as the variety of the new planted tea trees, mainly planting the tea trees in the tea garden, additionally planting shade trees, and controlling the shading degree of the tea trees to be 25-30%, wherein the shade trees are Chinese birch trees or camphor trees or fir trees. According to the tea garden planting method, the ecological environment is improved through configuration of the tea garden and the plant diversity by utilizing the biological diversity principle and the method when the basic garden appearance of the tea garden is guaranteed, so that the animal diversity in a system is regulated to improve the stability of the tea garden system.

The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.

A laser radar apparatus that includes a rotating mirror is provided. The rotating mirror has a reflective area that reflects outgoing laser light. A flat reflective surface that forms a flat planar shape is formed in a center portion of the reflective area. A sloped reflective surface is formed in a peripheral portion of the center portion of the reflective area, the sloped reflective surface spreading the outgoing laser light incident on the peripheral portion to a periphery of an optical axis of outgoing laser light emitted from the flat reflective surface.

An explosion-proof lamp comprises a light source component and a bracket. The light source component comprises an illumination lamp, a lamp housing and a lampshade. The lampshade comprises a lampshade body in a transparent panel structure. One side of the lampshade body is provided with a plurality of parallel linear light condensing strips in identical structures. Each of the linear light condensing strips comprises an arc-shaped light condensing surface. The linear light condensing strips are integrated with the lampshade body and form a Fresnel lens. The other side of the lampshade body faces to the illumination lamp. The bracket comprises a framework and a universal ball joint; and at least two groups of light source components are provided. A plurality of light source components for illumination is provided, a single light source component employs a low power illumination lamp, the lampshade is employed to increase the light intensity of the illumination lamp, and the irradiation areas of the plurality of light source components are complementary, thereby the low power and the low heat productivity of each single illumination lamp is ensured under the premise of ensuring enough light intensity and wider irradiation area; and accordingly the explosion-proof lamp is of excellent explosion-proof performance when it is applied in a dangerous zone.

The present invention relates to a projection device in which a projection lens has undergone arrangements at its exit surface, and more particularly side areas of this exit surface. The arrangements are intended to divert certain light rays emitted by a light source of the light in order to illuminate overhead lights without interfering with the homogeneity of the light beam of said light. The arrangements made may consist of protuberances in the form of serrations.

The invention discloses a shelf assembly and a refrigerator with the shelf assembly. The shelf assembly comprises two electric conductive pieces, a shelf, an LED lamp bar and two electrifying assemblies. The two electric conductive pieces are connected with the positive pole and the negative pole of a power source respectively, and respectively provided with at least one electric conductive bar, the shelf comprises a glass plate and a back decoration bar, a first containing groove for containing the rear end of the glass plate is formed in the front end of the back decoration bar, a containing cavity is formed in the back decoration bar, a plurality of lamp holes are formed in the front side wall of the containing cavity, the LED lamp bar is provided with a plurality of LED lamps and contained in the containing cavity, the two ends of the LED lamp bar extend to form a positive pole power line and a negative pole power line respectively, the two electrifying assemblies are connected to the two ends of the LED lamp bar and connected with the positive pole power line and the negative pole power line respectively, and the positive pole power line and the negative pole power line are electrically connected with the two electric conductive bars at the corresponding positions respectively through the electrifying assemblies. According to the shelf assembly, the whole area of the shelf can be illuminated, the structure is simple, and installation is convenient to achieve.

A method for analyzing samples includes the steps of introducing samples labeled with fluorophores into a first end of each of a plurality of electrophoresis lanes including a separation medium, a second end of each of the electrophoresis lanes being disposed in an optical cell filled with a buffer solution, applying an electric field to the electrophoresis lanes to separate the samples labeled with the fluorophores and cause the separated samples labeled with the fluorophores to migrate through the electrophoresis lanes into the buffer solution in the optical cell, exciting, with light from a light source, the fluorophores labeling the separated samples in the buffer solution in the optical cell to emit fluorescence in the buffer solution in the optical cell, and detecting, with a photodetector, the fluorescence emitted by the fluorophores labeling the separated samples in the buffer solution in the optical cell. The light source is selected from the group consisting of a He-Ne laser which emits light having a wavelength of 594 nm, a He-Ne laser which emits light having a wavelength of 632.8 nm, a YAG laser which emits light having a wavelength of 532 nm, and a semiconductor laser which emits light having a wavelength of 670 nm.

This invention provides a method capable of fabricating, by simple manufacturing processes, a color conversion layer which realizes high-efficiency color conversion characteristics without greatly increasing the film thickness of the color conversion layer. Further, this invention provides a color conversion layer manufactured by this method, and an organic EL element which includes this color conversion layer. By means of a method in which a polymer material having a weight-average molecular weight in a specific range is brought into contact with a color conversion material layer, and the polymer material is caused to intrude into the color conversion layer by a diffusion phenomenon, concentration quenching in the color conversion layer can be suppressed, and the fluorescence quantum yield can be increased.

A monocular light source positioning device includes a support member which held on the head of a user to hold an elongated readily bendable but self supporting element having a light source effective to stimulate a photo-endocrine response attached at a free end thereof positioned over or in front of only one eye of the person to provide a method of stimulating a photoendocrine response without interfering with the principal field of view of the user.

The invention discloses an LED (light emitting diode) lamp which comprises a baseplate, wherein the baseplate is provided with an LED assembly, the surface of the LED assembly covers a transparent heat conductor, and the periphery of the LED assembly is provided with a retaining wall; the LED assembly is also connected with a transparent lamp shade, the transparent lamp shade is provided with a reflecting aperture, and the baseplate and the transparent lamp shade form a seal cavity chamber; and the LED assembly is arranged in the seal cavity chamber, the transparent lamp shade is provided with a phosphor powder mixture, and the phosphor powder mixture is not contacted with the LED assembly. According to the invention, a spotlight transparent lamp shade can effectively lead an irradiate ray light beam of the LED lamp to concentrate, the penetrating power is strong and the illumination intensity is enough, thereby realizing spotlight effects of different angles; and a light expanding transparent lamp shade can effectively lead the rays of the LED lamp to irradiate in an angle greater than 270 degrees, the irradiation is uniform, and a glare problem is solved.

The invention relates to the field of cultivation equipment, and discloses a plant vertical cultivation device which comprises a supporting assembly, a plurality of cultivation assemblies and a distance adjusting device. The supporting assembly comprises a base, and at least one sliding rail is fixed to the base; each cultivation assembly comprises a cultivation barrel and a supporting table, thecultivation barrels are fixed to the supporting tables, the supporting tables of the multiple cultivation assemblies are arranged in the axial direction of the sliding rail in a sliding manner, the distance adjusting device comprises a telescopic driving device, a telescopic frame and a plurality of connecting rods, and the telescopic driving device is arranged on the base; and the telescopic direction of the telescopic frame is the same as the axial direction of the sliding rail, the telescopic driving device drives the telescopic frame to stretch out and draw back, and the connecting rods are connected with the supporting tables and the telescopic frame to drive the supporting tables to slide. By means of the plant vertical cultivation device, the density of plants can be adjusted, the light energy utilization rate is increased, melon aborting of melon and fruit plants is reduced, and economic benefits are increased.

The invention relates to a light-distribution LED street lamp. The light-distribution LED street lamp comprises a plurality of light distribution surfaces, wherein each light distribution surface is provided with a plurality of LED lamps; the light distribution surfaces constitute two light distribution groups; the light distribution surface of the first light distribution group and the forward horizontal line of the erection reference plane form an obtuse included angle, and the light distribution surface of the second light distribution group and the reverse horizontal line of the erection reference plane form an obtuse included angle; the divergence angle of each LED lamp installed on the light distribution surface increases as the obtuse included angle between the light distribution surface and the horizontal line of the erection reference plane increases; the whole lamp cap is in the structure of a plane and has a compact structure; and the thickness of the lamp cap is determined by the light distribution surface with the maximum angle of inclination. The lamp can be very thin, thereby reducing production cost and eliminating the phenomenon of light blocking of the LED lamps on the light distribution surfaces with different angles of inclination as well as the phenomenon of light absorption among adjacent LED lamps. The light-out rate reaches 90%. Thus, the light-distribution LED street lamp ensures sufficient intensity of illumination on the road surface far away from the light source, and realizes light distribution curves required by different illuminated areas. The light-distribution LED street lamp has the advantages of favorable light distribution effect, and uniform intensity of illumination in the illuminated area.

A projector including an illumination system, a light valve and a projection lens is provided. The illumination system is configured to provide an illumination beam, and includes a light source and a diffusion element. The light source is configured to provide an exciting beam. The diffusion element is located on a transmission path of the exciting beam, and configured to receive the exciting beam for outputting at least part of the illumination beam. The diffusion element includes at least one first diffusion region and at least one second diffusion region surrounding the first diffusion region. A haze of the first diffusion region is greater than a haze of the second diffusion region. The light valve is located on a transmission path of the illumination beam, and configured to convert the illumination beam into an image beam. The projection lens is located on a transmission path of the image beam.

The invention discloses an intelligent classroom light management system. The intelligent classroom light management system comprises a lamp partitioning module used for dividing a classroom into different regions, a classroom power customization module used for distinguishing electrical characteristics, an infrared detection module used for detecting human bodies through utilizing infrared detectors, a light sensing comparison module used for detecting light intensity through utilizing light sensors and a signal processing control module, wherein the signal processing control module is electrically connected with the lamp partitioning module, the infrared detection module and the light sensing comparison module, the classroom power customization module is in electrical signal connection with the infrared detection module, the infrared detection module is connected in series with the light sensing comparison module, and the infrared detection module and the light sensing comparison module are arranged at serial port input ends of the signal processing control module. The intelligent classroom light management system is advantaged in that use experience is improved, in a teaching mode, that the classroom has sufficient light intensity is guaranteed, in a self-study mode, the light source can be automatically assigned according to the number of people, and effective energy savingis achieved.

An automated wash rig is disclosed for cleaning the interior of a freight container. The wash rig may be transported atop a mobile platform or carriage and inserted into the interior of the freight container. During the cleaning process, the wash rig may travel along the length of the floor of the freight container. Washers (e.g., spray nozzles) on the wash rig may be used to direct cleaning fluid at the surfaces of the interior of the freight container, while dryers (e.g., air knives) on the wash rig may be used to dry off those surfaces. As the wash rig traverses the entire length of the freight container, the entire interior of the freight container is washed and dried. The wash rig may also have ultraviolet (UV) lamps which can provide UV light to sanitize the interior of the freight container during this process.

The invention discloses a lamp shade assembly, a display device and an electric pressure cooker. The lamp shade assembly comprises a shade body (1) and an indicator lamp shade (2) arranged on the shade body (1), wherein the indicator lamp shade (2) extends from a first side of the shade body (1) to a second side opposite to the first side; the section area of the indicator lamp shade (2) from the first side to the second side is increased gradually; the indicator lamp shade (2) comprises a first hole formed in the first side of the shade body (1) and a strip-shaped hole formed in the second side of the shade body (1). According to the lamp shade assembly, the display device has a better display effect.

The invention discloses a method and a device for measuring the rotating speed of a table tennis ball. The method comprises the following steps of: constructing a coordinate system, setting an image acquisition range and acquiring an image; identifying a mark of a table tennis ball and acquiring a main direction of the mark; calculating an included angle alpha between the main direction and the xaxis of the coordinate system; obtaining an included angle beta between the main direction of the mark of the table tennis ball in the image and the x axis of the coordinate system after a time interval T; obtaining the rotating direction of the table tennis ball according to the angle difference between the included angle alpha and the included angle beta; and calculating the rotating speed omegaof the table tennis ball according to the angle difference and the time interval T. According to the invention, the characteristics of the table tennis ball in the small-range image are analyzed by setting the image acquisition range, so that the defects of large transmission data volume and low speed in the traditional high-speed vision field are overcome, and the rotating speed of the table tennis ball can be calculated in an extremely short time.

An electrophoresis apparatus includes an optical cell having an outlet for fluid and filled with a buffer solution, and a plurality of electrophoresis lanes, each including a separation medium, which separate samples labeled with fluorophores, one end of each of the electrophoresis lanes being disposed in the optical cell to enable the separated samples labeled with the fluorophores to migrate from the electrophoresis lanes into the buffer solution in the optical cell. There is also provided a vessel containing a buffer solution, the vessel being disposed so that a level of the buffer solution in the vessel is higher than the ends of the electrophoresis lanes disposed in the optical cell, a passage connecting the vessel with the optical cell, a light source which emits light which excites the fluorophores to emit fluorescence, and a photodetector which detects the fluorescence emitted by the fluorophores.

The invention discloses a method and device for adjusting the light intensity of a light supplement lamp based on a gray value and a refrigerator, and the method comprises the steps: training a relation curve E = f (delta G) between the gray value difference delta G of an ROI region of a shot image in the refrigerator and the light intensity E of the light supplement lamp to be subjected to light supplement, wherein, the gray value difference value delta G is a difference value between a gray value threshold value G0 and an actual gray value G1 of the ROI region; obtaining an actual gray value G1 of the ROI region of the image to be recognized, and calculating a gray value difference value delta G1 = G0-G1; according to the delta G1 and the relation curve E = f (delta G), calculating the light intensity E1 of the light supplementing lamp to be subjected to light supplementing, and adjusting the light intensity of the light supplementing lamp according to the E1. Compared with the prior art, the method for adjusting the light intensity of the light supplementing lamp based on the gray value has the advantages that the light intensity of the light supplementing lamp can be rapidly adjusted, lighting in a refrigerator is sufficient, the quality of a shot image is improved, the recognition rate of food materials in the shot image is increased, the recognition result can be rapidly fed back to a user, and the user experience feeling is improved.