197 results about "Light induced" patented technology

An electronic device includes a light sensing system and an at least partially translucent housing member positioned over at least the light sensing system. The housing member has an interior surface and an at least partially translucent exterior surface, wherein the interior surface includes multiple facets configured to direct light impinging on a translucent portion of the exterior surface toward the light sensing system. The facets are configured to create a prismatic effect, such as the effect produced by a Fresnel lens, that directs light toward the light sensing system. The light sensing system optionally includes a light sensor and / or a light guide. Where the electronic device is a lighting control device, the electronic device further includes a processor coupled to the light sensing system and operable to generate lighting control signals responsive to receipt of light sensing signals from the light sensing system.

This invention discloses an online multi-band photosensitive decoupling method for monitoring the forming process of micro-optical components. This method allows for online monitoring and correction of forming process parameters, controlling the forming scale of the micro-surface topology of optical components and diagnosing the operating conditions of equipment. The method includes the following steps: selecting process parameters based on desired height; acquiring multi-band illuminance curves of light during the processing from multiple angles online and extracting feature values ​​through decoupling; combining the correlation between photosensitive feature values ​​and process parameters from past experience data; predicting processing parameters in real time, including hot-pressing temperature, hot-pressing pressure, and holding time; characterizing the surface stress of micro-forming using thermal melting compression theory; and finally, correcting equipment conditions and controlling the micro-forming scale through a feedback control algorithm. This method enables efficient online prediction and diagnosis of multiple parameters in the micro-optical component forming process and solves the time-varying problem in the micro-optical component manufacturing process.

The invention relates to the technical field of marine aquaculture, in particular to marine intelligent purse seine aquaculture management equipment which comprises an automatic bait casting system, a water quality detection module, an underwater inspection module, an intelligent sensing module, a photovoltaic power supply system, a light inducing device and an informatization center control module. Through real-time monitoring and intelligent early warning, the risk of sudden change of water quality is reduced, accurate feeding is realized through combination of an automatic bait casting system and fish shoal behaviors, the bait utilization rate is improved, resource waste is reduced, the fish shoal state and the purse seine safety can be dynamically monitored through an underwater patrol module, management timeliness and visibility are enhanced, and the system is suitable for popularization and application. A photovoltaic power supply system and low-power-consumption equipment are adopted, the long-time stable operation capacity is achieved, and the device adapts to the complex open sea environment.

The invention discloses an intelligent ring system and a light interference suppression method thereof, and the system comprises a ring housing which is a circular ring with a ring cavity; the flexible printed circuit board is used for loading various electronic and non-electronic elements required by the ring system, and the flexible printed circuit board is arranged in the ring shell and is encapsulated and fixed through epoxy resin; the light-emitting module is composed of one or more wavelength light-emitting diodes, and the light-emitting module is coupled to the flexible printed circuit board; the light sensing module is composed of photodiodes, is coupled to the flexible printed circuit board and is matched with the light emitting module to complete PPG signal acquisition; the method has the beneficial effects that the optical crosstalk inside / outside the finger ring can be effectively inhibited, so that the quality of a finger PPG signal is optimized, the dependence on a signal processing algorithm is reduced, and finally the calculation accuracy of physiological indexes such as HR, SpO2, HRV and the like is improved.

The invention provides a preparation method and application of a near-infrared light induction type silk fibroin nano preparation, and belongs to the technical field of medical preparations. And dropwise adding an ICG solution into the silk fibroin nano-particle solution, and then adding a ferric trichloride solution for reaction to obtain a precipitate, namely the near-infrared light induction type silk fibroin nano-preparation. The nano preparation prepared by the method disclosed by the invention can realize synergistic interaction of two treatment mechanisms, and the anti-tumor effect is remarkably improved.

The utility model discloses an oil acid value detection sensor, and belongs to the technical field of oil detection, and the oil acid value detection sensor comprises a base, a shell and an acid value detection assembly. The base is connected with external equipment; the shell is arranged on the surface of the base, a main channel, a detection channel and two shunt channels are arranged in the shell, the main channel is flush with the detection channel, the two ends of each shunt channel are communicated with the main channel and the detection channel respectively, and the sectional area of the main channel is larger than that of each shunt channel; the sectional area of the shunting channel is larger than that of the detection channel; the acid value detection assembly comprises a light emitting module, a light filtering membrane and a light sensing module, the light emitting module is arranged on the surface of the shell and located on one side of the detection channel, the light sensing module is arranged on the surface of the shell, located on the other side of the detection channel and aligned with the light source, and the light filtering membrane is arranged between the detection channel and the light sensing module. According to the invention, the accuracy of acid value detection can be improved.

To provide an optical sensor capable of performing highly accurate optical sensing of a scene.SOLUTION: The optical sensor includes a unit D1 including x blocks 11, for example, three (x = 3) blocks a, b, and c, each having a plurality of pixels 12 arranged in a first direction 11A in a plan view. The pixels 12 are arranged at a pixel pitch D1 in the first direction P1. The three blocks a, b, and c are arranged side by side in a second direction D1 orthogonal to the first direction D2, and are arranged to be shifted from each other by P1 / 3 in the first direction D1. For example, the light receiving elements 11A and 10b each including the units 10a corresponding to the number of stages of the TDI are arranged so as to partially overlap each other in the D1 in the first direction, and the optical sensing is performed using the blocks a and b in which the positional deviation of the pixels 12 is minimized. In addition, by increasing the size of each of the light receiving elements 10a and 10b in the second direction D2, inclination at the time of mounting, poor connection, and the like are suppressed.SELECTED DRAWING: Figure 10

This invention discloses an energy-saving control method for elevator light curtains and a low-power wireless communication light curtain, relating to the field of elevator control technology. The energy-saving control method for elevator light curtains includes: Step 1, establishing an energy-saving control environment, which includes: a camera, a light-sensing module, a controller, and a central control center. The central control center is used to regulate the operating status of each elevator. Step 2, establishing control logic, which includes: the central control center being configured to: if the current time is within a preset low-traffic period, acquire video data fed back by the camera; identify and analyze the number of people, their positions, and the items they are carrying in the elevator based on the video data; adjust the light curtain monitoring range based on the identification results; and output a light curtain adjustment control command to the corresponding controller. The controller is configured to: if it receives a light curtain adjustment control command, control the opening and closing of the corresponding number of transmitters; acquire monitoring signals fed back by the receiver; and control the elevator control system response based on the monitoring signals. This application has the effect of reducing energy consumption.

The invention discloses a display device and a display device control method.The display device comprises a display module, a control module, a gesture sensing module and a light sensing module, and the light sensing module is used for detecting the brightness of ambient light and generating an ambient light brightness signal; the control module is used for adjusting working parameters of the gesture sensing module according to the ambient light brightness signal; the gesture sensing module is used for sensing an instruction gesture made by a user and generating a corresponding sensing signal; and the control module is also used for generating a corresponding control signal according to the sensing signal and controlling the display module to display through the control signal. Therefore, the display device can be controlled by identifying the gesture of the user, so that diversified requirements in different scenes are met, the operation convenience is improved, the working parameters of the gesture sensing module are dynamically adjusted according to the ambient light brightness condition, the accuracy and reliability of instruction gesture identification can be improved, and the energy loss is reduced.

The invention discloses a wavelength selective photoresponse strontium-based metal organic framework eutectic material as well as a preparation method and application thereof. A metal node of the material is strontium ions, N, N '-bis (5-isophthalic acid) naphthalimide is used as a ligand, anthracene and a derivative thereof are used as objects, N, N-dimethylformamide is used as a solvent, and the material is obtained through solvothermal reaction. The material is composed of an electron donor (D) and an electron acceptor (A), and is a strontium-based MOF eutectic with an infinitely extended pi stacked A-D-D-A configuration. The MOF eutectic material has lattice characteristics of a tetragonal crystal system, a space group is I 41 / a, and cell parameters are a = b = 28.42240 (10), c = 13.71600 (10), and alpha = beta = gamma = 90 degrees. Sr-NDI at An has unique wavelength selective photoresponse property: ultraviolet light triggers [4 + 4] dimerization of an object anthracene, red light excites [4 + 2] reaction of anthracene and singlet oxygen, and near-infrared light induces generation of free radicals.

The invention belongs to the technical field of optical fiber temperature measurement, and discloses a passive device temperature measurement light path feedback device and a feedback method, which can perform light detection on whether a passive device temperature measurement light path optical fiber is abnormally interrupted or not, can block incidence of ambient light through a shell assembly with a closed light transmission channel, improves the accuracy of detection feedback, and improves the detection accuracy of the passive device temperature measurement light path. The light output by the optical fiber can be subjected to diffuse reflection through the inner wall of the channel subjected to texturing treatment, the light can be detected by a light sensing device, the response speed is increased, the light intensity of the light subjected to diffuse reflection is reduced, the problem that the light sensing device is burnt down due to direct incidence of high-power light can be avoided, and the service life of the light sensing device is prolonged. And meanwhile, the light emitted by the optical fiber is propagated in the light propagation channel in a diffuse reflection manner, so that the requirement on the notch of the section of the end part of the optical fiber is not high, the process requirement is reduced, and the time is saved.

A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a capacitance integrating conversion circuit, and a processing circuit; N is a positive integer; wherein the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide photocurrents generated by the light sensing circuits to a capacitance integrating amplifying circuit in a time division manner, and to control a conversion parameter of the capacitance integrating amplifying circuit; the capacitance integrating conversion circuit is configured to perform integrating conversion on the photocurrent according to the conversion parameter and an integration time, to obtain an analog output voltage; the processing circuit is configured to obtain characteristics of the light signal according to the analog output voltage. In the present disclosure, the current integration method is adopted by the capacitance integration conversion circuit, and the photocurrent is converted according to the integration time, so that the number and area of the photodiodes connected in parallel in the light sensing circuit can be reduced by increasing the integration time, the space and cost are reduced.

The application relates to a light-sensing detection structure and a mobile lighting device. The light-sensing detection structure comprises a head part bin, a metal substrate arranged in the head part bin, a lens, a light-shielding bowl and a light sensor. The metal substrate, the lens and the light sensor are fixed in the head part bin, and the metal substrate is located between the lens and the light sensor. The light-shielding bowl is fixed on the metal substrate and located between the metal substrate and the lens. In the light-sensing detection structure, a light inlet hole is arranged outside the projection of the light-shielding bowl on the metal substrate along a light inlet direction, and the light sensor senses external brightness through the light inlet hole. The light-shielding bowl can resist outgoing light and prevent the outgoing light from escaping and entering the light inlet hole. The incident light can enter the light inlet hole through the gap outside the light-shielding bowl and be received and detected by the light sensor. Since the light-sensing detection structure does not have other obstacles to block the outgoing light, the light-sensing detection structure has the advantages of large light flux and high light emission rate in cooperation with the irradiation of the light emitter, can irradiate a complete light spot around, and has a better lighting effect.

The invention relates to the technical field of vehicle lighting, in particular to an electric vehicle photoinduction self-adaptive headlight system which comprises a deceleration state recognition module, an illumination trend judgment module, a charge state division module, a lighting power setting module and an output control execution module. According to the method, a deceleration state identification result is established by synchronously analyzing a current change direction and a brake signal state, a continuous sampling illuminance change rate is introduced to construct a trend judgment index, a low-illuminance approaching trend is judged in combination with an illumination decline intensity and a continuous period, and then the real-time charge state of a battery is collected and affiliated to a grading label; a target output power and an adjusting rhythm are set by matching a power regulation and control strategy, a linearly or non-linearly increasing lightening power sequence is set under different electric quantity conditions, a power control result is converted into a PWM instruction to be dynamically output to a headlight driving circuit, and self-adaptive adjustment of the brightness of the headlight of the electric vehicle under the conditions of illumination decreasing and electric quantity changing is achieved.

The invention discloses a photoacoustic stimulated Raman gas detection system and method based on hollow-core optical fiber self-seed injection enhancement, and belongs to the technical field of laser spectrum trace gas detection, the system comprises a light source and beam splitting module, a hollow-core optical fiber seed generation module, a light delay module and a short optical path power amplification module; the main laser beam is split into a first light beam and strong pump light after entering the beam splitter; in the hollow-core optical fiber seed generation module, a first light beam passes through a fifth reflecting mirror, a hollow-core optical fiber seed generation unit, a sixth reflecting mirror and an optical filter, and weak seed light is output; the strong pump light is synchronized with the weak seed light output from the optical filter after entering the optical delay module; in the short-optical-path power amplification module, weak seed light and strong pump light output by the light delay module are combined at a dichroscope and are strictly coaxial, and then are focused by a convex lens and enter a short-optical-path Raman frequency shifter. According to the invention, the oscillation starting threshold of the Raman frequency shifter is greatly reduced by utilizing seed light-induced stimulated radiation.

The utility model discloses an oil detection sensor, and belongs to the technical field of oil detection, and the oil detection sensor comprises a base, a shell and a detection assembly. The base is connected with external equipment; the shell is arranged on the surface of the base, a main channel, a detection channel and two shunt channels are arranged in the shell, the main channel is flush with the detection channel, the number of the shunt channels is two, the two ends of the two shunt channels are communicated with the main channel and the detection channel respectively, and a detection window is formed in the detection channel; the detection assembly comprises a dispersion module, a light sensing module and a moving module, the dispersion module is arranged in the shell, located on one side of the detection window and used for dispersing white light into spectrums with different wavelengths, the moving module is arranged in the shell and located on the other side of the detection window, and the light sensing module is arranged at the moving end of the moving module; and the detector is used for receiving spectrums emitted from the detection window. The oil composition detection efficiency can be improved, and the oil composition detection cost can be reduced.

The utility model provides a bus station, which comprises a photovoltaic array, an energy storage device, an intelligent sensing device and a lighting device, and is characterized in that the photovoltaic array is used for converting solar energy into electric energy and storing the electric energy in the energy storage device; the intelligent sensing device is used for controlling on-off and brightness of the lighting device, the intelligent sensing device comprises at least one of a light sensing switch and an infrared sensing switch, and the light sensing switch is used for controlling on-off of the lighting device according to surrounding illumination brightness; the infrared induction switch is used for inducting whether a person is near the bus station or not and adjusting the brightness of the lighting device according to the inducted result. In this way, the problems of high electrical load and resource waste of the bus station are solved, and the brightness of the lighting device can be intelligently adjusted, so that effective management and distribution of electric power are ensured, the problem of resource waste is effectively solved, and the resource utilization rate is improved.

The invention relates to the technical field of landscape lamp intelligent control, in particular to a landscape lamp intelligent control method and system based on light sensing and timing, and the method comprises the steps: obtaining a seasonal illumination intensity grade group, obtaining a current illumination value sequence, determining a current seasonal illumination intensity grade, carrying out the fault detection of a light sensing unit, and obtaining fault detection data; if fault data exists in the fault detection data, obtaining the state of the landscape lamp, and if non-fault data exists in the fault detection data, extracting a second illumination intensity grade and a fourth illumination intensity grade from the illumination intensity grades in the current season, and determining a target sunrise and sunset interval; landscape lamp intelligent control based on light induction and timing is completed based on the landscape lamp turn-on state or the landscape lamp turn-off state. The intelligent level of the landscape lamp can be improved.

An electronic device includes a light sensing system and an at least partially translucent housing member positioned over at least the light sensing system. The housing member has an interior surface and an at least partially translucent exterior surface, wherein the interior surface includes multiple facets configured to direct light impinging on a translucent portion of the exterior surface toward the light sensing system. The facets are configured to create a prismatic effect, such as the effect produced by a Fresnel lens, that directs light toward the light sensing system. The light sensing system optionally includes a light sensor and / or a light guide. Where the electronic device is a lighting control device, the electronic device further includes a processor coupled to the light sensing system and operable to generate lighting control signals responsive to receipt of light sensing signals from the light sensing system.

The invention provides a positioning measurement auxiliary calibration disc and a control method thereof, and the positioning measurement auxiliary calibration disc comprises a disc surface levelness detection module which detects the disc surface levelness of the positioning measurement auxiliary calibration disc through a suspension balance levelness detection device, and obtains disc surface levelness detection information; the calibration disc leveling control module is used for controlling the calibration disc horizontal adjusting device to adjust the disc surface levelness of the positioning measurement auxiliary calibration disc according to the disc surface levelness detection information; the laser point disc surface sensing module is used for sensing laser points of a laser irradiation disc surface through a disc surface light sensing array and acquiring laser point sensing information; and the positioning monitoring auxiliary calibration module judges and corrects the irradiation positioning deviation of the laser point according to the laser point sensing information and the coordinate value of the monitoring laser point in the chessboard coordinate system, and performs laser point monitoring accurate positioning auxiliary calibration.

The utility model relates to the technical field of guide light tubes, and discloses a self-adaptively adjustable guide light tube, which comprises a supporting base body, a limiting connecting box, a fixed connecting seat, a fixed connecting lampshade, a light induction lamp, a guide lamp tube, a first motor, a rotating line wheel, a stretching line and a limiting mounting component, a limiting connecting box is fixedly connected to the top of the supporting base body, fixed connecting bases are fixedly connected to the front face and the back of the limiting connecting box, a fixed connecting lampshade is arranged at the bottom of the supporting base body, a lamplight induction lamp is arranged on the front face of the fixed connecting lampshade, and a guide lamp tube is arranged in the fixed connecting lampshade. The limiting installation assembly is arranged in the supporting base body. A first motor is started to drive a stretching line to move under the action of a first limiting wheel and a second limiting wheel, the height of a fixedly-connected lampshade is adjusted under the gravity action of the fixedly-connected lampshade, the lampshade is disassembled after being adjusted to the proper height, convenience is brought to disassembly, and the illumination effect is improved.

The utility model relates to the technical field of advertising devices, in particular to an outdoor solar integrated advertising brightening device which comprises an installation frame, a lamplight area, a photovoltaic panel area, a controller and a storage battery are arranged on the installation frame, a lamp body is arranged in the lamplight area, the photovoltaic panel area is provided with a photovoltaic panel used for photovoltaic power generation, and the controller is connected with the controller. The photovoltaic panel is made of a black monocrystalline silicon wafer; the controller is a light induction controller and is electrically connected with the photovoltaic panel, the storage battery and the lamp body. The device is reasonable in structure, safe, reliable, energy-saving and environment-friendly, reduces stay wires, and meets the requirements of urban automatic quantification.

Disclosed in the present invention are a particle accommodating device, and a particle contactless processing apparatus and a light sensing structure thereof. The particle accommodating device is used for accommodating a liquid specimen that contains a plurality of particles. The accommodating device comprises a light sensing structure and a mating structure spaced apart from the light sensing structure. The light sensing structure comprises a substrate, an electrode layer and a photoelectric layer which are formed on the substrate, and an insulator formed on the photoelectric layer. The insulator comprises a charge-type track protruding from the photoelectric layer. The photoelectric layer is operable to generate a plurality of charges that are concentrated on the charge-type track, so that the charge density of the charge-type track is greater than that of the outer surface of the photoelectric layer, and thus the charge-type track can position at least one of the particles thereon by electrostatic adsorption. Thus, the particles are moved and positioned by means of the electrostatic adsorption, thereby achieving precise positioning of the particles.

The present application relates to a kind of fluorine-containing dihydronaphthalenone derivative and its preparation method and application, the fluorine-containing dihydronaphthalenone derivative obtained by visible light induced phosphine catalysis difluoroacetophenone derivative and the radical addition cyclization reaction of a variety of olefins in series compared with prior art, the preparation method of the present application has the advantages of high efficiency, short reaction time, high yield, mild condition etc., its structural motif is important in pharmaceutical and agrochemical products;The synthetic method for preparing fluorine-containing dihydronaphthalenone and its derivative of the present application is completely new, and the fluorine-containing dihydronaphthalenone compound synthesized is used in various organic synthesis reactions.

The utility model relates to the technical field of feeding devices, in particular to a feeding device and a film receiving machine, the feeding device comprises a material carrying table, baffles oppositely arranged on the material carrying table and a jacking mechanism connected with the material carrying table, a material storage space is formed between the jacking mechanism and the baffles, and the material storage space is used for storing film materials; a light sensing mechanism is arranged on the two opposite baffles, the light sensing mechanisms are arranged on the first side faces, facing the storage space, of the baffles, the feeding device further comprises an air blowing mechanism corresponding to the light sensing mechanisms, and the air blowing mechanism is arranged on the second side face adjacent to the first side face; the air blowing range of the air blowing mechanism is located 3 cm above and below the center line of the light sensing mechanism. The light sensing mechanism and the air blowing mechanism work cooperatively, the light sensing mechanism monitors descending of the film materials, the air blowing range of the air blowing mechanism is set to be 3 cm above and below the center line of the light sensing mechanism, the adhered film materials are separated, film material blockage or jamming is effectively avoided, and smooth supply of the film materials is guaranteed.

The invention belongs to the technical field of organic synthesis, focuses on innovation of a preparation method of an organic germanium compound, and particularly provides a novel photochemical synthesis path of an alpha-germanium oxime compound. According to the method, germane hydride, olefin and tert-butyl nitrite are taken as starting raw materials, and under the condition that no photocatalyst is added, only an ultraviolet light source is utilized for irradiation, so that the germanium-based / oximido-based bifunctionalization reaction of olefin is successfully realized for the first time. The method has the advantages of environmental friendliness, mild conditions, simplicity and convenience in operation, high atom economy, wide substrate application range and the like. The method can be used for modifying the drug molecule derivative after germanium group / oximidation, opens up a way for constructing an organic germanium compound with potential biological activity and pharmacological action, and is expected to play an important role in the field of medicine research and development.

The application provides a display module and a display device. The display module comprises a display panel and a light sensing device. The display panel comprises a light sensing area, and a first type of transistor is arranged in the light sensing area and participates in the generation process of a light emitting driving electric signal. The light sensing device overlaps the light sensing area in a direction perpendicular to the plane where the display panel is located. A floating gap exists between the light sensing device and the display panel, and an insulating part is arranged in the floating gap. The design of arranging the insulating part in the floating gap is conducive to eliminating the tendency of static charge accumulation caused by the small gap. In addition, considering that the insulating part has good insulation performance, the insulating part can block the accumulation process of static charge in the floating gap, thereby avoiding the formation of a strong interference electric field between the display panel and the light sensing device, and further reducing the risk of interference of the first type of transistor from the source, thereby ensuring the display effect of the display panel.

The application relates to the technical field of sensors, in particular to a visual-tactile sensor based on a fiber array and a contact sensing method. The sensor comprises a base piece, an elastic body arranged on one side of the base piece, an image assembly arranged between the base piece and the elastic body, and a light sensing array. The sensor integrates the fiber array and the visualized elastic body in the same flexible structure, realizes high spatial resolution contact shape reconstruction, six-dimensional contact force estimation and micro sliding trend detection without significantly increasing the volume; the contact sensing method synchronously collects image information and fiber signals, extracts image spatial features and fiber time sequence features through a convolutional neural network, splices and fuses the features to output contact shape parameters, six-dimensional force / torque and sliding probability, and introduces a physical constraint loss function to impose monotonicity and consistency constraints on the prediction results, so that the contact sensing results conform to the physical law.

The utility model discloses a vehicle-mounted LCD display screen, relates to the display technical field, the vehicle-mounted LCD display screen comprises a mounting frame, a display screen body, a backboard and a light sensing module, the display screen body is fixedly arranged in the mounting frame; the back plate is arranged in the mounting frame, and a light hole is formed in the back plate; the light sensing module is installed on the display screen body and electrically connected with the display screen body, and the light sensing module corresponds to the light hole so as to sense the brightness change of the external environment. According to the technical scheme provided by the utility model, the problem that the brightness of the existing display screen cannot be automatically adjusted according to the external environment is solved.

The present invention discloses a detection device for a light-sensing LED bulb lamp, which includes an illuminance detection mechanism, a base, a horizontal track, a first lamp socket and a second lamp socket; the horizontal track and the illuminance detection mechanism are both arranged on the base, and the illuminance detection mechanism is used to detect the light intensity of the environment; the first lamp socket and the second lamp socket are both arranged on the horizontal track, and the first lamp socket and the second lamp socket are both movably connected to the horizontal track; the first lamp socket is used to fix the light-sensing LED bulb lamp, and a triggering light source is arranged on the second lamp socket. The present invention also provides a detection method for a light-sensing LED bulb lamp. By adopting the present invention, the problem that the traditional light-sensing bulb lamp is easily mis-triggered by the LED light emitted by itself can be solved, and at the same time, the induction illuminance value of the light-sensing LED bulb lamp can be quantitatively detected, thereby improving the reliability of the product.