92results about How to "Control light intensity" patented technology

The invention discloses an automatic start-stop and exposure intensity control ultraviolet disinfection device. The disinfection device mainly comprises an electromagnetic flowmeter, a water quality instrument, an ultraviolet sterilizer, ultraviolet lamp tubes, a controller, a water inlet pipe, a sensor and a water outlet pipe. Water flows through the water inlet pipe to penetrate through the electromagnetic flowmeter and then flows into the ultraviolet sterilizer through the water quality instrument, the ultraviolet sterilizer includes the ultraviolet lamp tubes, the sensor is installed on the water outlet pipe, and the controller is connected with the electromagnetic flowmeter and the sensor through leads. The disinfection device can achieve automatic ultraviolet sterilizer starting and stopping functions when water flows and stops, meanwhile can also control ultraviolet light exposure intensity according to water flow and water quality characteristics, accordingly can more intelligently water disinfection and can further play an energy-saving effect.

The invention relates to a traffic monitoring camera light-supplementary lamp, belonging to the field of a traffic monitoring camera device. The traffic monitoring camera light-supplementary lamp is provided with a shell; a circuit control module is arranged in the shell; the circuit control module is electrically connected with a flash lamp tube which is installed on a reflector mirror; an upper cover is fixed on the shell; the traffic monitoring camera light-supplementary lamp is characterized in that the reflector mirror and the flash lamp tube form an elongated light-emitting body capable of emitting elongated lights; and a convex lens is fixed at the end part of the shell at the front part of the elongated light-emitting body capable of emitting elongated lights. The traffic monitoring camera light-supplementary lamp has the following beneficial effects: the spot size in a lamplight illuminated area can be controlled, and more importantly, the light intensities of the spot at different position can be controlled; even if a photographed object has different intensities of light reflection at different positions, an overall clear picture of the photographed object can be obtained.

A method is provided for controlling an ink feed of an offset printing press having a control computer and at least one inking unit controlled by the control computer. The control computer calculates an ink layer thickness necessary for the color through the use of spectral reflectance values and, in order to set the calculated ink layer thickness, performs necessary setting operations on the inking unit. A printing press having an apparatus for carrying out the method is also provided.

The invention discloses a parameter-adjustable LED intelligent plant light supply system, which is used for providing lighting conditions required for the normal growth of a plant, and acquiring the information about the temperature, the humidity and the illumination intensity of a surrounding environment. According to the parameter-adjustable LED intelligent plant light supply system, an ARM processor STM32F103VE serves as a control core; the light quality, the light intensity, the light period and the working mode of an LED light source are modulated by adopting a time control and PWM mode. The parameter-adjustable LED intelligent plant light supply system comprises a master control module (1), an LED driving module (2), an LED lamp group (3), an environment detection module (4), a pre-warning module (5) and an interaction module (6). The system has the characteristics of high response speed, easiness in maintenance, flexibility in deployment, and has certain popularization and application values.

The invention discloses an endoscope imaging method and an endoscope imaging system. The endoscope imaging method comprises the following steps of illumination, visible light and fluorescence collection, image signal collection and image processing. Visible light reflected by a human subject and excited fluorescence are collected through two sensors located at the front end of an endoscope tube, corresponding image signals are generated, and then the image signals are transmitted to the rear end to be processed to obtain a final endoscope image. Compared with the prior art that visible light and fluorescence are transmitted to the rear end through a light path and then collected and processed, the endoscope of the invention solves the problem that the precision is reduced due to light pathpropagation, the imaging precision is improved, and the light path cost and the light path occupied space are also saved; in addition, the visible light and the fluorescence can be focused and collected respectively due to the design of independent light paths of the visible light and the fluorescence, so that the visible light image and the fluorescence image are consistent in definition; and the endoscope imaging system is binocular stereoscopic vision, and can obtain three-dimensional information to compensate fluorescence brightness of different depth areas.

The invention provides an intelligent aromatherapy device and an intelligent control system. The intelligent aromatherapy device comprises a power source component, an atomizing component and an air blowing component, and further comprises an intelligent control component, a water exhaustion prompting component and a light source component, the intelligent control component is used for being connected with and controlling the power source component, the atomizing component and the air blowing component, the water exhaustion prompting component realizes a water level monitoring function, and the light source component realizes a lighting function. The intelligent control system comprises the intelligent aromatherapy device, an intelligent terminal and a gateway, and further comprises a cloud side which receives running data, fed back to the intelligent aromatherapy device, by the gateway and stores and analyzes the running data. The intelligent control component can control the atomizing component, the air blowing component and the light source component and can adjust color and light intensity of the light source component to realize energy-saving effect. In addition, data which are analyzed and calculated out by the cloud side are acquired through the intelligent terminal, a user can be helped to improve bad living habits so as to improve living quality.

The invention belongs to the technical field of tea processing, particularly relates to an oolong tea indoor sun-drying processing technique and aims to provide an oolong tea processing technique adopting indoor sun-drying. The technique includes steps: picking fresh leaves; indoors sun-drying; shaking and airing; frying; removing red edges and spreading to retain moisture; rolling and fermenting for the second time; drying. The technique is characterized in that according to the indoor sun-drying processing technique, a bamboo mat needs to be set up at a position of 0.5-1 m higher than the ground according to daily yield, a sunshade net of 75-80% in sunshade rate needs to be set up at a position of 2 m above the bamboo mat, the tea leaves are spread on the bamboo mat according to leaf spreading quantity, the tea leaves need to be slightly turned and stirred by hands every other 12-15 min in the process of sun-drying, and the tea leaves are moved into a room for spreading and airing for 40-50 min when weight reduction rate of the lea leaves is 4-5% through sun-drying. The processing technique is clean, sanitary, simple, convenient and efficient, and tea leaves obtained by the technique are uniform in tea color.

A projection type video reproducing apparatus includes a video display element that visualizes a video signal, a video display element drive circuit that drives the video display element, a high-speed response light source that applies projection light onto the video display element, a light source drive circuit that turns the light source on, and a video signal conversion portion. The video signal conversion portion executes: a peak detection process for detecting peak values of luminance of the video signal at intervals of a unit time; a conversion coefficient calculation process for calculating a conversion coefficient based on a ratio of each detected peak value to an upper limit of the luminance or based on a difference between each detected peak value and an upper limit of the luminance; a video signal conversion process for converting the luminance value of the video signal in the unit time based on the conversion coefficient so as to increase the luminance value and supplying the luminance value to the video display element drive circuit; and a light intensity control process for setting a control value based on the conversion coefficient to reduce the light intensity of the light source and controlling the light source drive circuit in accordance with the control value.

The invention discloses a standardized planting method for peppers. The method includes the following steps: performing sterilization, seed soaking and pregermination treatments on seeds; replacing top soil with corn grown soil, using organic base fertilizer 1200 kg/mu, turning over the soil to make ridges with the ridge width of 100 cm-110 cm, the ridge-platform height of 10 cm-15 cm and the ridge-platform width of 60 cm-70 cm, and ditching around the field to drain; planting the germinated pepper buds with white roots into nutrient soil for vegetables to grow seedlings; using large ridges to compactly plant peppers in a double-row mode, planting sweet marjoram at the middle position between every two ridges, the plant spacing of peppers is 25-30 cm, the row spacing of the peppers on the same ridge is 50-55 cm and the plant spacing of sweet marjoram is 25-30 cm; using super phosphorus fertilizer before anthesis, and using potassium fertilizer at the initial stage of setting fruit; daily managing; performing drip irrigation, and covering the plants by the adoption of small tunnel-type sunshade nets during the period of strong sunlight or rainstorm weather; picking fruits after fruit coloring. The method solves the problems that during the planting of peppers, favorable natural ecological conditions are inefficiently used to control propagation of diseases and insect pests, and modern agricultural technology is unused to reasonably control the soil oxygen content, the water content and light intensity.

The invention discloses a method for quickly determining the light intensity and temperature adaptation range of plants. The method comprises, based on treatment of different temperatures and different light intensities on detached leaves and subsequent dark recovery for a certain time, dynamically monitoring the Fv/Fm fluorescent parameters of the leaves; determining the temperature range of irreversible optical damage of the plants by drawing an Fv/Fm fluorescent kinetic curve under treatment conditions and analyzing the descending ratio of Fv/Fm after samples are processed and the rising ratio of Fv/Fm after the samples are restored. The method for quickly determining the light intensity and temperature adaptation range of the plants avoids damage to growth of the plants and facilitates parallel detection of optical damage and restoration conditions of the leaves of the plants under different temperatures and different light intensities and further determines the light intensity and temperature adaptation range of the plant and judges the resistance differences of different plants. The invention also discloses a device for achieving the method for quickly determining the light intensity and temperature adaptation range of the plants. The device for achieving the method for quickly determining the light intensity and temperature adaptation range of the plants achieve control to light intensity by changing the distance between a light source and the samples to achieve continuous light intensity control and meanwhile to guarantee constantly unchanged light quality when changing the light intensity.

The invention relates to a rigid/flexible pastable smart window capable of being transformed among a light-emitting state, a light-transmissive state, a light-blocking state and a reflective state anda preparation method thereof and belongs to the technical field of electroluminescence. The smart window is of a five-layer structure, the first layer is a first transparent substrate with a first transparent electrode, wherein the first transparent electrode serves as an anode of an electroluminescent device layer; the second layer is the electroluminescent device layer; the third layer is an intermediate transparent common-electrode layer and serves as a cathode of the electroluminescent device layer and the anode of an electrochromic device layer; the fourth layer is the electrochromic device layer; the fifth layer is a second transparent substrate with a second transparent electrode, and the second transparent electrode serves as a cathode of the electrochromic device layer. The smartwindow can integrate many functions such as natural light transmission, heat preservation, thermal insulation, indoor lighting and privacy protection and is expected to replace existing conventionalindoor facilities such as curtains, wall lamps and make-up mirrors. On the one hand, the light intensity of an area can be adjusted well; on the other hand, the temperature of the area can be controlled, and the effects of saving energy and protecting the environment are achieved.

The invention discloses a flower exhibition device. The device comprises a containing box, a containing plate, all-transparent glass, a rotating plate, a rotating shaft and a fixed plate; anti-skid supporting legs are welded at the lower end of the containing box, the containing plate is welded to the lower end in the containing box, one side of the upper end of the containing box is provided witha motor installing box, and a rotating motor is installed in the motor installing box; a motor rotating shaft is arranged at the output end of the rotating motor, and a motor rotating disc is arranged at the top of the motor rotating shaft; a rotating shaft is installed at the middle position of the top of the containing box, and a rotating plate is installed at the lower end of the outer side ofthe rotating shaft; the fixed plate is arranged at the upper end of the outer side of the rotating shaft, and six fixed light baffles are arranged in the fixed plate; a mounting ring is installed atthe outer end of the rotating plate, and six rotating light baffles are installed in the mounting ring. According to the device, the shading rate at the upper end can be controlled, so that the lightrange and the illumination intensity are effectively controlled, and plants grow more vigorously.

An data recording apparatus comprises a laser diode (LD) applying light to a recording medium to record data, a front monitor diode (LMD) detecting the intensity of light emitted from the laser diode (LD), a switch (7) for switching to said lowpass filter (2) in the operating state during the time period over which a signal of 14T mark is recorded, a lowpass filter (2) inputted a signal which is outputted from a front monitor diode (FMD), and a sampling/holding unit (3) sampling the output signal outputted from the lowpass filter (2). The intensity of light emitted from the laser diode (LD) based on the output signal sampled by the sampling/holding unit (3).

The invention discloses a soil microorganism fumigation apparatus and an application thereof. A fumigation apparatus body is covered by a shading outer cover and includes a fumigation sealed chamber, a fumigation soil sample cup body apparatus, a temperature control assembly and a fumigation heating assembly. The fumigation apparatus body is communicated with a vacuum pump through a gas pipeline to form the system apparatus. Compared with conventional methods and devices, the soil microorganism fumigation apparatus is ensured in air impermeability; the heating and heat-insulating apparatus can ensure a temperature controlling requirement in fumigation cultivation, so that an operation of placing the fumigation apparatus in a emperature-constant cultivation box is omitted; and the shading outer cover can ensure a dark-light cultivation condition, so that an operation of placing the fumigation apparatus in a dark box is omitted, thereby reducing labor intensity and cost, improving the efficiency of the fumigation cultivation of soil microorganisms and simplifying a cultivation process. By means of proper selection of the number of the fumigation heating assemblies, through an active fumigation process, the contact area of soil to chloroform is fully increased and steam flux is increased, so that the efficiency of the fumigation is increased and the time of the fumigation is reduced.

The invention relates to the field of planting technology, in particular to a planting method for adding sweetness of tomato which includes the following content: during a fruiting period from tomato fruit setting to maturation, strictly controlling the following conditions: controlling a temperature of daytime in a range from 26 to 28 DEG C for 7 to 8 hours, and controlling a temperature of nighttime in a range from 16 to 19 DEG C for 7 to 8 hours; controlling a soil humidity in a range from 65 to 75%, and a air humidity in a range from 40 to 50%; maintaining a illumination intensity in a range from 5000 to 6000 lx, and illumination time for 9 to 10 hours; and during this time, applying mixed fertilizers and nutrient solution. Through stick controlling of temperature and humility and stabilization of day-night temperature difference, the accumulation of sugar is assured, through applying the mixed fertilizers and the nutrient solution, the highly-efficient and stable operation of photosynthesis is assured, and then the accumulation of sugar is improved, so that the planted tomato has a sweet taste, abundant nutrients, a good appearance, and stronger market competitiveness.

The invention provides pilose asiabell root airing equipment, which comprises an airing frame, an airing plate and a light reflecting device. The airing plate is in a net shape and is mounted on the airing frame; the light reflecting device comprises a bottom light-reflecting plate and a vertical light-reflecting plate, the bottom light-reflecting plate is located below the airing plate, the vertical light-reflecting plate is located on one side of the airing plate, and the vertical light-reflecting plate can be rotated and can move leftwards and rightwards. According to the pilose asiabell root airing equipment, by utilizing the light reflection principle, the upper face and the lower face of pilose asiabell roots are irradiated by sunlight simultaneously, the airing efficiency is improved, meanwhile, the illumination intensity is controlled, the high polysaccharide content of the pilose asiabell roots is kept, and disassembling and stacking can be conducted conveniently and quickly.

The invention provides a multifunctional sensing energy-saving lamp, and specifically relates to the technical field of lamp lighting. The multifunctional sensing energy-saving lamp comprises an infrared thermal imaging module, an infrared logic analysis module, a light sensor, a light logic analysis module, a time module, an audio play module, a controller, a variable resistor, an energy-saving lamp and a shell. The multifunctional sensing energy-saving lamp has the characteristics of infrared sensing sensitivity and no dead angle and can be prepared for judging appearance of human bodies and animals, erroneous turn-on of the sensing lamp is effectively reduced, and the brightness of the LED (Light Emitting Diode) energy-saving lamp can be changed according to the environment to meet multiple requirements of people for light. The energy-saving lamp and the music player are automatically turned on in a specific time period, thereby meeting multiple requirements of people for the sensing energy-saving lamp; and simultaneously, the energy-saving lamp can be conveniently detached and replaced.

The invention relates to a light source module, which comprises at least one light emitting unit and a light guide component, wherein the light guide component comprises a light guide body; the light guide body is an effective light emergence area which is defined together with the light emitting unit; the light guide body comprises a light incidence plane, a light emergence plane, a bottom surface, a rear end face and a first edge area; the light emitting unit is arranged on the light incidence plane and emits a light ray toward the light incidence plane; the light emergence plane is adjacent to one side of the light incidence plane; the bottom surface is opposite to the light emergence plane; an inclined angle is formed between the bottom surface and the light emergence plane; a plurality of light guide units having first set depths are arranged at a position, corresponding to the effective light emergence area, of the bottom surface; the rear end face is opposite to the light incidence plane and adjacent to the light emergence plane and the bottom surface; the first edge area is positioned between the effective light emergence area and the rear end face; and at least one first optical micro structure having a second set depth is arranged at the position, corresponding to the first edge area, of the bottom surface.

The invention discloses an intelligent conference system comprising a local server and a control center in signal connection with the local server. The control center is connected with a conference subsystem. The conference subsystem consists of a loudspeaker device and a display screen device that are connected with the control center; the loudspeaker device includes a loudspeaker host connectedto the control center, a plurality of microphones connected to the input terminal of the loudspeaker host, a sound console connected to the output terminal of the loudspeaker host, a power amplifier connected to the sound console, and sound equipment connected to the power amplifier; and the multiple microphones are provided with starting keys. When the starting key of one microphone is pressed down, other microphones can not be started. According to the intelligent conference system, the need of the modern enterprise conference is met.

The invention relates to a plant growth illumination control system and method; the plant growth illumination control system comprises a first detection assembly, a main controller and a first plant light supplement lamp connected with the main controller; the first detection assembly comprises a first illumination sensor and a first microcontroller connected with the first illumination sensor; the first microcontroller is connected with the main controller; the illumination sensor can detect the light intensity of a to-be-detected point, and can send the light intensity data to the microcontroller; the microcontroller sends the light intensity data to the main controller; the main controller controls the plant light supplement lamp to adjust the light intensity, thus controlling the light intensity of the to-be-detected point, ensuring the fastest photosynthesis rate, and preventing wastes.