180results about How to "Adjust light intensity" patented technology

The invention provides a novel photo-bioreactor system for culturing microalgae, and a method for culturing the microalgae by using the photo-bioreactor system. The method adopts different photo-bioreactors at different stages for culturing the microalgae, and the design of the photo-bioreactor of each stage reasonably takes the optimal culture condition of the microalgae at the stage into consideration so as to achieve the high-density culture and the product rapid accumulation of the microalgae, so a novel process and novel devices for the scale cultivation of the microalgae are provided.

The invention discloses a lighting control method and device. The method and the device are applied to a lighting control area which comprises at least one sub area, and is provided with at least one lighting device, at least one light intensity detection device and at least one active object state detection device. The method comprises the steps that the light intensity value of each sub area is acquired; the active state of each active object and the sub area of the active object are acquired; whether the active state of each active object changes is determined; when the fact that the active state of one or more active objects changes is determined, the new active state of each active object and the new sub area of the active object are determined; according to the preset corresponding relationship between the active state and a lighting intensity demand, the lighting intensity demand of each sub area is determined; and according to the lighting intensity demands and the light intensity values, the illumination intensity of the lighting device of the lighting control area is determined. The lighting control method and device can automatically adjust the light intensity according to the light intensity demands of different environments. The light control efficiency is improved. Resources are saved.

A head-mounted display is provided with a main body which is connected with a remote manipulator and is provided with an optical visualization unit. The optical visualization unit comprises a display element which is used for displaying virtual images, a housing which is used for containing the display element, a polarization element which is arranged in the front of the housing and used for adjusting the ambient light intensity of the display element, and a front cover element which is used for covering the front surface of the housing. The polarization element can shift between a perspective mode and a non-perspective mode under the control of the user.

The invention discloses a household greenhouse. The household greenhouse comprises a planting bed, a groove is formed in the lower side of the planting bed, first threaded rods are arranged on four corners inside the groove, rotating rods are arranged at the lower ends of the first threaded rods, first threaded cavities with openings formed in the upper ends are formed inside the rotating rods, the lower ends of the first threaded rods are arranged inside the first threaded cavities, rotating handles are arranged on the outer sides of the rotating rods, rotating bases are arranged at the lower ends of the rotating rods, wheel frames are arranged on the lower sides of the rotating bases, universal wheels are installed on the wheel frames, sliding grooves are formed in the left end and the right end of the lower side of the planting bed, supporting plates are arranged inside the sliding grooves, a plurality of fixing holes are formed in the supporting plates, the supporting plates penetrate through the fixing holes through bolts and are connected with the planting bed, a planting groove is formed in the upper side of the planting bed, supporting columns are arranged on four corners of the upper side of the planting bed, and a greenhouse top comprises a first glass plate and a second glass plate. The household greenhouse is simple in structure, convenient to use, suitable for a household, convenient to move, good in planting effect and high in automatic degree.

The invention discloses an intelligent control illumination method and device. At least one illuminance transducer is arranged in an illumination control area after division of subareas, and at least one motion sensor is arranged in the illumination control area. The method comprises the following steps of obtaining motion information of a user in the illumination control area, which is detected by the motion sensor; determining an illumination intensity demand corresponding to the obtained motion information in a corresponding relation between the preset motion information and the illumination intensity demand; obtaining an illumination intensity value of each subarea, which is detected by the illumination transducer; determining a target optimization function which conforms to a constraint condition according to the illumination intensity demand and the illumination intensity value; and solving the target optimization function and adjusting the illumination intensity of the illumination control area according to a result obtained by solution. According to the method and the device, the illumination intensity can be adjusted according to the demands for the illumination intensity under the different environments, the illumination control efficiency is improved and the resources are saved.

The invention discloses an intelligent greenhouse. The intelligent greenhouse comprises a first layer of greenhouse frame, a second layer of greenhouse frame, a solar panel, a light supplementing device, a fresh air device, a sensing device, a fertilization device, a regulating device, a storage battery and a control terminal. The first layer of greenhouse shed is an outer-layer greenhouse frame of the intelligent greenhouse. The second layer of greenhouse shed is an inner-layer greenhouse frame of the intelligent greenhouse. The solar panel is arranged on the top of the first layer of greenhouse shed. The light supplementing device is arranged in the intelligent greenhouse. The fresh air device is arranged in the intelligent greenhouse. The sensing device is arranged in the intelligent greenhouse. The fertilization device is arranged outside the intelligent greenhouse. The regulating device comprises an acquisition device, a processing device, a communication device and a storage device. The storage battery is connected with an external power source. An LED lamp is connected with the storage battery through a wire. The solar panel, the fresh air device and the fertilization device are connected with the storage battery. The control terminal is connected with the output end of the processing device through the communication device. The intelligent greenhouse has the advantages that the heat preservation effect is better, and multiple pieces of environmental data can be monitored at the same time.

The invention provides a novel plant cultivation box. The novel plant cultivation box comprises a transparent box body, wherein a shading device is arranged on the transparent box body; partition plates are arranged in the transparent box body; a cultivation groove is formed in each partition plate; an irrigation device, a lighting device and a temperature regulating device are arranged in the transparent box body. According to the novel plant cultivation box, the space can be effectively utilized, the cultivation area is increased, natural light is effectively utilized by the transparent box body, the illumination intensity is regulated by the shading device and the lighting device, the normal growth of plants is guaranteed, the temperature in the transparent box body is regulated by the temperature regulating device, the growth of the plants at an appropriate temperature is guaranteed, and the irrigation efficiency is greatly improved by the irrigation device.

The invention relates to the technical field of electronic communication, in particular to an environment optimizing method and system. The method comprises the steps of opening a program and operating a ventilation system in the room at a first rate, scanning whether or not there is a user in the room, scanning face contour of the user, comparing the scanned characteristics of the user with stored data in a database and judging whether or not the database stores the user information, displaying a health report of the user, according to the health report of the user, and controlling the operation of the ventilation system in the room to make the first rate convert into a second rate. By introducing outdoor purified air, the environment optimizing method and system are capable of obviously improving the indoor particulate matter pollution level, reducing harm caused by indoor pollution to the human body, having a significant effect on indoor air cleansing maintenance, increasing indoor oxygen atom content concentration and optimizing the family environment, automatically adjusting according to health reports of people, completely solving the problem of family environment and the environment optimizing system is convenient to use.

The embodiment of present invention provides a backlight assembly, mobile terminal and control method, the backlight assembly includes a back light source, which includes a first light cell with blue ray and a second light cell with preset color ray, wherein the preset color ray is a color ray excluding the blue ray; and a first control module connected with the first light cell, which is applied to regulate the electrical current value of the first light cell; or a second control module connected with the first light cell and the second light cell, which is applied to regulate the total value of the electrical current of the first light cell and the second light cell. By separating the first light cell with blue ray from the second light cell with other preset color ray, the value of the electrical current of the first cell is adjusted to control the light intensity of the blue ray in the backlight source, under the precondition that the penetration rate of the display panel board and the light spectrum of the backlight source are not altered, the adjustment of the blue ray of the backlight source is achieved, the harm of blue ray radiation is reduced, and the influence to display result and picture quality is lowered.

The invention discloses an LED plant growth lamp capable of adaptively regulating and controlling an illumination spectrum. The lamp comprises a base, side plates, a supporting plate, a plant growth lamp mechanism and an adjusting mechanism; an adjusting mechanism is fixedly mounted at the top of the base; the supporting plate is fixedly mounted on the adjusting mechanism; two sliding rails are symmetrically arranged at the top of the supporting plate. According to the lamp, the height horizontal position of the sunshine lamp or the far-red light lamp is adjusted; meanwhile, the sunlight lampor the far-red light lamp is adjusted by a certain angle; a plurality of sunshine lamps or far-red light lamps are turned off or turned on through a controller; the full-spectrum sunlight lamp for controlling the illumination intensity and the far-red light lamp for controlling the light quality are arranged, and the light intensity and the light quality are regulated and controlled through the switches of the multiple lamps, so that the growth requirements of different plants are met, and the growth of the plants is optimal.

The invention discloses a multi-layer openable type cattle shed environment adjusting system, and belongs to the technical field of cattle feeding. The problems that the temperature environment of an existing cattle shed is poor in controllability, it is not safe to arrange a ventilating or heating device on the side wall of the cattle shed or in the cattle shed, and meanwhile the occupied area of the cattle shed is increased are solved. A first steel framework is arranged on the top of the cattle shed and fixedly connected with the top end of the side wall of the cattle shed, and a lifting mechanism is arranged in the side wall of the cattle shed and used for driving two quarter-spherical heat insulation plates to rise and be folded together to form a hemispherical structure or driving the heat insulation plates to be turned to fall into the interlayer of the side wall. By means of the multi-layer structure, the temperature, humidity and illumination intensity of the cattle shed are collected and controlled; by controlling the lifting mechanism to lift up and put down the two quarter-spherical heat insulation plates, the ventilation and heat insulation of the cattle shed are preliminarily controlled; meanwhile, the temperature in the cattle shed is regulated through a heating layer, and heated air flow is blown into the cattle shed through a fan. The system is suitable for the technical field of cattle feeding.

The invention discloses an indoor illumination intensity control method and a controller, wherein the controller comprises a communication module, a processing module and a control module, wherein the communication module is used for receiving illumination intensity information collected by a plurality of illumination intensity sensors and used for transmitting the illumination intensity information generated by the processing module to a plurality of illumination equipment so as to control the illumination intensity of the plurality of illumination equipment; the processing module is connected with the communication module and used for receiving a plurality of illumination intensity information transmitted by the communication module, generating the illumination intensity control information of the plurality of illumination equipment according to an illumination intensity control and the plurality of illumination intensity information, and transmitting the illumination intensity control information to the communication module; and the control module is connected with the communication module and the processing module and is used for controlling information interaction between the communication module and the processing module. According to the invention, relations between the plurality of illumination equipment can be controlled and coordinated, and the illumination intensity can be adjusted to satisfy indoor illumination requirements.

The invention discloses an adjustable LED street lamp light source which comprises a packaging substrate, a chipset mounted on the packaging substrate, a dimming device comprising a threaded sleeve and a rotary drum which are matched, a lens group comprising a concave lens and a convex lens, and a fluorescent tube, wherein the concave lens is arranged on the threaded sleeve, the convex lens is arranged at the front end of the rotary drum, and the fluorescent tube is arranged between the chipset and the lens and filled with a liquid fluorescent material. The invention solves the technical problem and provides the LED street lamp light source capable of adjusting the light-focusing degree. According to the adjustable LED street lamp light source disclosed by the invention, the lens group matched with and controlled by the dimming device is adopted, so that focal length match among various lenses of the lens group is achieved, further, light type of the light source can be adjusted and controlled, and the controllability of the LED street lamp light source is improved effectively.

The invention discloses an environmental quality monitoring system for a hospital ward. The system comprises a monitoring terminal, a master control module and an air monitoring module. The master control module is connected with the monitoring terminal through a CAN bus. The system further comprises a light intensity monitoring module, a noise monitoring module and an analog-digital conversion module. The light intensity monitoring module is in signal connection with the master control module and used for monitoring the intensity of light in the ward. The noise monitoring module is in signalconnection with the master control module and used for monitoring the magnitude of sound in the ward. The analog-digital conversion module is used for converting electric signals of the air monitoringmodule, the light intensity monitoring module and the noise monitoring module into digital signals and is in signal connection with the monitoring terminal and the master control module. According tothe environmental quality monitoring system for the hospital ward, through omni-bearing monitoring of air environments, noise and illumination intensity, the environment of a patient during rehabilitation is guaranteed, treatment is promoted, nursing work of medical staff is promoted, and the system is a good helper of the medical staff.

The invention aims to provide a patch type white LED light curing and packaging device and application thereof. The packaging device comprises a conveying belt and a light source box, wherein the conveying belt is mounted on a machine table and controlled by an electric cabinet and a conveying belt speed regulating motor, and the light source box is mounted above the conveying belt; a UV-LED light source is mounted in the light source box, and a UV light sensor and a temperature sensor are also mounted in the light source box. The high-power deep ultraviolet (UVC) LED light source is adopted and is matched with the absorption wavelength of a photoinitiator in a curing adhesive, so that the packaging device has the advantages of being low in heating, high in efficiency, long in service life, large in irradiation area and uniform in irradiation. The illumination intensity can be adjusted by adjusting LED operating current. The packaging device can keep the independent stability of curing temperature, curing time and curing light intensity, and the optical performance consistency of packaged products is improved. By optimization of light curing adhesive components and ratio, the stability of luminous flux is improved, and the light attenuation is reduced.

The invention relates to sinningia speciosa tissue culture propagation and a tuber storage and re-propagation method for sinningia speciosa, wherein the sinningia speciosa tissue culture propagation comprises the steps: culturing a stock plant, selecting and disinfecting an explant, carrying out induced differentiation under the conditions that the culture temperature is 26+/-2 DEG C, the illumination culture time is 11-13 hours per day, and the illumination intensity is 2500-5000lx; carrying out subculture expanding propagation in a 500ml triangular flask; transplanting tissue seedlings, setting the tissue seedlings to obtain sinningia speciosa tissue culture nursery stocks; storing and re-propagating the tissue culture seedlings: namely, culturing propagation-expanded flask seedlings in the 500ml triangular flask under the conditions that the culture temperature is 16-28 DEG C, the illumination intensity is 500-1500lx and the illumination time is 11-12 hours per day, heading in the flask, carrying out tuber subculture storing; and reviving a tuber in the flask and carrying out subculture expanding propagation of the revived tuber in a next period.

The invention discloses a blackboard assembly convenient for angle adjustment. The blackboard assembly convenient for angle adjustment comprises a frame, a support shaft, a blackboard body and an adjustment mechanism, wherein the frame comprises a first border, a second border, a third border and a fourth border which are sequentially arranged, and the first border and the third border are oppositely arranged, and are both vertically arranged; the second border and the fourth border are oppositely arranged, the second border is arranged above the fourth border, and the second border and the fourth border are both horizontally arranged; the support shaft and the first border are arranged in parallel, the first end of the support shaft is rotationally connected with the second border, and the second end of the support shaft is rotationally connected with the fourth border; the blackboard body is arranged at the inner side of the frame, a length direction of the blackboard body is parallel to a length direction of the second border, and the blackboard body is rotationally connected with the support shaft; and the adjustment mechanism is used for driving the blackboard body to rotate by taking the support shaft as a centre. The blackboard assembly convenient for angle adjustment, which is disclosed by the invention, avoids light-reflecting interference, and improves a teaching effect.

Provided is an intelligent flowerpot with a light compensation function utilizing Internet of Things. The intelligent flowerpot utilizes the technology of Internet of Things and gains access to the Internet through a wireless communication module, obtains data of weather conditions from a weather forecast interface provided by the State Meteorological Administration and transmits data to a controller. The controller can control a height-adjustable LED light-supplementing lamp board according to the weather conditions so that the light-supplementing function of the flowerpot is fulfilled. The intelligent flowerpot with the light compensation function utilizing Internet of Things comprises a flowerpot body (1), the controller (2), the wireless communication module (3), the LED light-supplementing lamp board (4), a telescopic lamp rack (5) and a power supply module (6). The intelligent flowerpot with the light compensation function utilizing Internet of Things is simple in design, low in manufacture cost and high in practical value.

The invention discloses a photosynthesis experiment device for teaching, which comprises an experiment box, the top of the experiment box is movably connected with a sealing cover, the bottom of the inner wall of the experiment box is movably connected with a plant potted plant, and the right side of the inner wall of the experiment box is A carbon dioxide detector is fixedly connected, and an oxygen detector is fixedly connected to the right side of the inner wall of the test box and positioned at the top of the carbon dioxide detector, and a light sensor is fixedly connected to the right side of the inner wall of the test box and positioned at the top of the oxygen detector, The right side of the inner wall of the experiment box and the top of the light sensor are fixedly connected with a lighting lamp, and the right side of the experiment box is fixedly connected with electric wires. Through the cooperation of carbon dioxide detector, oxygen detector, light sensor and lighting lamp, the invention solves the problem that the traditional experimental device cannot allow students to observe the changes of photosynthesis under different light intensities, thereby affecting the teaching efficiency.

The invention discloses an optical microscopic imaging method and device, and belongs to the field of optical microscopic imaging. The optical microscopic imaging method specifically comprises the steps that a display screen sequentially displays a strip image sequence; sequentially displayed strip images form a moving illumination strip on a sample surface through an objective lens; a sample areailluminated or excited by the moving illumination strip is imaged to a detector through the objective lens; and image sequences obtained by imaging are superimposed to obtain complete image of the sample. The optical microscopic imaging device comprises a small display screen, a lens, a filter, a splitter, an objective lens and a surface array detector. In the imaging process, the width of an illumination area and the width of a detection area are simultaneously limited, the illumination process and the detection process are synchronized, a line scanning and confocal imaging mode is formed, and the restraining ability of small microscope imaging for out-of-focus signals is improved; and the small display screen is utilized, thereby not requiring the application of a mechanical scanning element, being convenient for the miniaturization and integration of a microscope system, and being applicable to performing living body in-situ microscopic imaging on the biological process.

The invention relates to the technical field of illumination adjustment, and discloses an LED lamp capable of adjusting the illumination intensity. The LED lamp comprises a bottom plate; a stand column is arranged in the middle of the upper surface of the bottom plate; a fixed rod is arranged in the middle of the stand column; a lamp cap is arranged at the right end of the fixed rod; a circuit board is arranged in the middle of the upper surface of the lamp cap; a first light transmitting hole is formed in the upper part of the right side wall of the lamp cap; the first light transmitting holeis clamped with an illumination intensity sensor; a driving motor is arranged on the right side of the lamp cap; an output shaft of the driving motor is fixedly connected with a first bevel gear; thefirst bevel gear is in meshed connection with a second bevel gear; the second bevel gear is fixedly connected with the upper end of a rotating shaft; and a light shielding plate is arranged at the lower end of the rotating shaft. According to the LED lamp capable of adjusting the illumination intensity, the illumination intensity sensor is arranged for sensing the light intensity in the externalenvironment, so that the illumination intensity of the LED lamp can be automatically adjusted; and the light shielding plate can be driven by the driving motor to rotate for changing a corresponding light filter plate at the lower portion of a second light transmitting hole, so that the color of light can be changed.