257 results about "Light driven" patented technology

The invention relates to the technical field of aerostats, solves the technical problem that a traditional CD-ROM device control design method is large in application range limitation, and particularly relates to a control method of a floating device and an autonomously-moving floating device.The control method comprises the steps that an independent air chamber is filled with low-density air, and the floating device autonomously floats in air; and establishing a control equation for controlling the autonomous movement of the floating device by controlling the illumination intensity, placing the floating device floating in the air in the illumination area, and autonomously controlling the floating device to advance according to the preset direction based on the control equation. The optical drive control system is simplified by utilizing the deformation characteristic of the liquid crystal elastomer, so that the light weight of the floating device is realized, fuel and a controller do not need to be carried, and long-time autonomous flight can be realized by utilizing photo-thermal energy so as to adapt to complex and changeable application scenes.

The invention relates to a degradable surgical suture capable of self-constricting under the driving of near-infrared light and accelerating wound healing as well as a preparation method and application of the degradable surgical suture, and the degradable surgical suture capable of self-constricting under the driving of the near-infrared light is developed by virtue of a photo-thermal conversion effect of polydopamine on the basis of a thermal response characteristic of a shape memory material. And on the basis, a thermal control drug release system is endowed to the suture line to synergistically accelerate the wound healing process, and various suture problems confronted by the internal wound of the body are solved.

The invention belongs to the technical field of soft robots, and discloses a lockable driver based on artificial muscles and a driving method of the lockable driver. The driver comprises an artificial muscle bundle, a locking device and a flexible connector, the artificial muscle bundle is formed by weaving a plurality of CD-ROM liquid crystal elastomer fibers in a chain shape, and 30%-50% of reversible contraction deformation can be generated under illumination; the locking device is of a layer blocking variable stiffness structure, and millisecond soft-hard state switching is achieved through vacuum negative pressure. During driving, light initiates phase change shrinkage of the liquid crystal elastomer, and then the locking device is vacuumized to fix deformation; and the flexible state can be recovered by charging positive pressure when the pressure is released. The problems that a traditional flexible driver is high in standby energy consumption and poor in load capacity are solved, the high deformation capacity and the lockable rigidity are achieved, and the flexible driver can be widely applied to the fields of exoskeletons, rehabilitation instruments and the like.

The invention discloses application of a carbon nitride photocatalyst based on multiple asymmetric active sites in hydrogen peroxide production. A sulfur-doped carbon nitride nanotube is synthesized through a thermal polymerization method, and then the photocatalytic material S-CNT-Zn with zinc monatomic loaded on the sulfur-doped carbon nitride nanotube is synthesized through an impregnation-calcination method. The preparation process is simple, and the preparation flow is simple. The carbon nitride photocatalyst with multiple asymmetric active sites can break the symmetry of a carbon nitride material, form gradient charge distribution, realize multi-path charge transfer and promote migration and separation of carriers. And the zinc monatomic as an oxygen adsorption site can promote the adsorption of oxygen and reduce the formation energy barrier of the intermediate. When visible light drives oxygen reduction to synthesize hydrogen peroxide, the carbon nitride photocatalyst with multiple asymmetric active sites keeps the stability of the catalyst and higher hydrogen peroxide yield, so that clean, stable and efficient photocatalytic reduction of oxygen to synthesize hydrogen peroxide is realized.

The invention relates to a light driving control system and method based on a 48V system and electronic equipment, and relates to the field of vehicle control. The system comprises a power supply module, an information acquisition module, a central processing module, a communication module and an execution module, the power supply module is used for reducing 48V voltage input by a whole vehicle to obtain preset voltage, and the information acquisition module is used for receiving a light control instruction of the whole vehicle and acquiring a working state of a lamp; the central processing module processes collected data and issues an instruction to the execution module, the communication module achieves information interaction with the whole vehicle and the load lamp, and the execution module provides power supply and drive control for the external load lamp. The system can solve the challenges of a traditional 12V system in the aspects of power output, energy loss, line load and the like, reduces the current intensity, line loss and heat productivity through a 48V system, prolongs the service life of a lamp and a controller, improves the autonomous controllability and the supply chain stability through a domestic chip scheme, and reduces the system cost.

The invention belongs to the technical field of optical drive catalytic materials, and discloses a preparation method of a foamed ceramic-metal organic framework composite catalytic material and application of the foamed ceramic-metal organic framework composite catalytic material in photo-thermal catalytic elimination of nitro compounds. According to the invention, photo-thermal catalytic MOFs are loaded on foamed ceramic, and a floatable integrated photocatalytic material is formed through in-situ self-assembly and is used for solar-driven nitro-compound thermal elimination. MOFs have high specific surface area, high porosity, good light absorption and high photo-thermal conversion efficiency; the foamed ceramic has the characteristics of strong adsorbability, good heat conduction, light weight, adjustable size and the like. The combination of the two overcomes the problems of difficult recovery, more residues and low efficiency of the traditional powder catalyst and the high cost, high energy consumption, high-temperature danger and the like of the traditional photo-thermal catalysis, and shows huge application potential. The method can be used for treating organic wastewater containing toxic nitro compounds (such as trinitrotoluene, dinitrobenzene, nitrochlorobenzene and the like), and a new thought is provided for wastewater treatment in the fields of explosives, medicines, pesticides, dyes and the like.

The invention relates to the technical field of LED lamp driver board welding, and discloses a welding device for processing and producing LED filament lamp driver boards, comprising a conveyor belt, wherein the outer surface of the conveyor belt is provided with an equipment main body, and the equipment main body further comprises: two feeding devices, which are arranged on the front end and rear end surfaces of the conveyor belt, and the feeding devices are used to deliver welding rods as needed when the conveyor belt conveys the lamp driver board and subsequent components are turned on for welding, so as to ensure that the equipment main body can normally weld the LED filament with the LED lamp driver board and ensure the normal operation of the device; a processing device, which is arranged on the top of the conveyor belt, and the processing device is used to cooperate with the conveyor belt to pre-treat the welding surface of the LED lamp driver board to avoid the presence of debris on its surface affecting the welding quality of the LED lamp driver board and the LED filament. The device has the advantages of improving the welding quality of the LED lamp driver board and the LED filament, improving its welding efficiency, and being convenient for users to use.

The invention provides a CD-ROM integrated laminated packaging structure, a preparation method thereof and a lamp panel, the laminated packaging structure comprises a packaging carrier plate, an LED chip and a driving chip, the packaging carrier plate comprises a first metal layer, a first insulating layer, a second metal layer, a second insulating layer and a third metal layer which are stacked in sequence; the LED chip is arranged on one side, deviating from the first insulating layer, of the first metal layer, and the LED chip is electrically connected with the third metal layer through the first metal layer; the driving chip is arranged on one side, deviating from the first insulating layer, of the second metal layer, and the driving chip is electrically connected with the third metal layer through the second metal layer; wherein the third metal layer is used for being electrically connected with the printed circuit board. According to the LED lamp panel, the number of partitions of the lamp panel can be increased, a finer picture effect is achieved, meanwhile, the driving circuit is transferred into the packaging carrier plate, the plane wiring difficulty of the printed circuit board is effectively reduced, the length difference of the driving circuit between the driving chip and the LED chip is improved, and the light emitting quality is improved.

The invention provides a CD-ROM integrated packaging device, a lamp panel and a display device.The packaging device comprises a packaging substrate, a light-emitting element and a driving element, the packaging substrate is provided with a first surface and a second surface which are opposite, and the light-emitting element is electrically connected with the packaging substrate; the driving element is electrically connected with the packaging substrate; wherein the light-emitting element and the driving element are arranged on the side, deviating from the first surface, of the second surface, the orthographic projection of the driving element on the second surface and the orthographic projection of the light-emitting element on the second surface are not overlapped, and the distance between the surface, deviating from the packaging substrate, of the light-emitting element and the first surface is smaller than the distance between the driving element and the first surface. According to the packaging substrate and the display device, under the condition that the production and manufacturing cost is considered, the yield can be improved, the influence of the driving element on side face light emitting of the light-emitting chip is reduced, the optical uniformity of the lamp panel is improved, and the display quality is improved.

1. The name of this design product: top case of external optical drive. 2. Purpose of this design product: This design product is used as an external optical drive for reading optical discs, SD cards, CF cards and USB interface expansion. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. Other circumstances that require explanation: This design is a partial design. The partial design for which protection is requested is the top cover of the external optical drive shown by the solid line in the view. The appearance expressed by the dotted line in the view is not requested to be protected.

The invention relates to the technical field of water equipment, and discloses a CD-ROM floating pleasure boat and a control method. The power driving system comprises a power piece and paddles, the power piece is installed at the tail of the ship body through a fixing structure, the power driving system is rotationally connected with the fixing structure, and the paddles are installed on the power piece and configured to drive the power piece to rotate when the power piece is in an illumination state. The power piece drives the paddles to rotate to drive the ship body to move; establishing a light-heat-force-motion coupling model of the power driving system; determining a mapping relation between the illumination intensity and the motion state of the ship body through a coupling model; the control over the motion state of the ship body is achieved by adjusting the illumination intensity acting on the power driving system. The technical bottlenecks that a traditional CD-ROM device needs to be externally connected with a power source and a controller, the structure is complex, and adaptability is poor are solved.

The invention discloses a condensation brine desalination system for a greenhouse. The condensation brine desalination system comprises a condensation system, a heat storage system, a heat supply system, a power supply system, a water supplementing system and the greenhouse. When the system works, the compound paraboloid condenser gathers sunlight, then the sunlight is transmitted in a wave band mode through the frequency division glass, low-wave-band light drives photovoltaic power generation, and high-wave-band light is used for saline water interface evaporation; water vapor generated in the salt water desalination process is condensed by the condensing device to generate fresh water, and then the fresh water is introduced into the greenhouse, so that proper humidity and temperature in the greenhouse can be maintained while the fresh water required by irrigation is obtained; the condensation device recovers condensation heat, the condensation heat is stored through the heat storage system, and heat is supplied to the greenhouse through the buried pipe when the temperature is low at night. When sunlight is insufficient, the storage battery supplies power to the LED lamp in a light supplementing mode, and photosynthesis of plants is guaranteed. The system is suitable for regions lacking fresh water resources but sufficient in saline water and brackish water, and has the characteristics of self-sufficiency, high scale adaptability, low energy consumption and the like.

A lighting apparatus includes a fan, a light device, an integrated housing, a main controller, a fan controller, a light controller and a converter. The integrated housing is used for disposing the fan and the light device. The converter converts an external AC power to a direct current. The fan controller is coupled to the converter for generating a fan driving current to the fan according to a fan control signal from the main controller. The light controller is coupled to the converter for generating a light driving current to the light device according to a light control signal. The main controller receives a wireless main control signal from a wall switch operated by a user. The main controller generates the fan control signal and the light control signal based on the wireless main control signal.

A bidirectional colorful light triggered by power-line pulse signals connected in series and parallel includes a bidirectional luminous light string triggered by power-line pulse signals, a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch. The bidirectional luminous light string triggered by power-line pulse signals comprises a plurality of bidirectional light sources, which comprises a light module triggered by power-line pulse signals and a reverse light module. The light module triggered by power-line pulse signals comprises an LED colorful light group and an LED driver that drives the LED colorful light group based on power-line pulse signals loaded on power lines of the bidirectional luminous light string triggered by power-line pulse signals. This invention achieves a bidirectional colorful light driven by power-line pulse signals through the control of the second and fourth controllable switches, simplifying the control circuit.

The utility model belongs to data storage technical field especially, it is a kind of extensible blue light disc library, it includes base, this disc library still includes: first electric push rod, it is set to four, four first electric push rod bottom end are fixedly installed in the top of base;Pressing plate, the bottom of pressing plate is fixedly installed with the output shaft of four first electric push rod respectively;Optical drive warehouse body, it is set to multiple, multiple optical drive warehouse body is all set in the top of base, and multiple optical drive warehouse body is sequentially stacked from below to above;Supporting assembly, it is set to four, supporting assembly is set on base, and supporting assembly is used to brake and move base, the utility model discloses by setting multiple optical drive warehouse body as detachable split type structure, high expandability, improve use convenience and applicability, while separate optical drive warehouse body is easy to disassemble, to make subsequent maintenance convenient, it is easy to operate, and practicality is strong.

The present invention relates to the field of aerostat technology, resolving the technical issues of traditional optical drive control design methods, which have significant limitations on their scope of application. In particular, the invention relates to a control method for an aerostat and an autonomously moving aerostat. The control method includes filling an independent air chamber with a low-density gas, causing the aerostat to float autonomously in the air; establishing a control equation for controlling the autonomous motion of the aerostat by controlling light intensity; placing the aerostat floating in the air within an illuminated area; and autonomously controlling the aerostat to advance in a predetermined direction based on the control equation. The present invention utilizes the deformation properties of liquid crystal elastomers to simplify the optical drive control system, thereby achieving a lightweight aerostat without the need for fuel or a controller. The aerostat can utilize photothermal energy to achieve long-term autonomous flight, adapting to complex and diverse application scenarios.

The invention relates to the technical field of environmental governance, and discloses a visible light driven organic pollutant degradation system and method.The visible light driven organic pollutant degradation system comprises a light source system, a photocatalytic reactor, a catalyst and a control system, the light source system adopts a visible light source such as an LED lamp or a halogen lamp, and the light source system further comprises a reflector and a lens; the photocatalytic reactor is made of a transparent material, such as glass or quartz, a plurality of catalyst carriers are arranged in the photocatalytic reactor, the photocatalytic reactor is further provided with a feeding hole and a discharging hole, and a catalyst adopts a photocatalytic material with visible light response, such as titanium dioxide doped with nitrogen or carbon; the light source system, the photocatalytic reactor, the catalyst and the control system are integrated, the photocatalytic material responding to visible light is utilized, organic pollutants can be efficiently degraded under visible light irradiation, the practicability and generalization performance of the photocatalytic technology are improved, the cost of a visible light source is low, the photocatalytic material can be repeatedly used, and the operation cost is reduced.

The invention provides a CD-ROM integrated light-emitting device detection device and a detection method thereof.The CD-ROM integrated light-emitting device comprises a carrier plate, an LED chip, a driving chip and a plurality of pins, the detection device comprises a workbench, a visual mechanism, a probe mechanism and an integrating sphere, the workbench comprises a transparent bearing plate, and when the CD-ROM integrated light-emitting device is borne on the transparent bearing plate, the LED chip is driven by the probe mechanism to rotate; the LED chip is positioned on one side, close to the transparent bearing plate, of the carrier plate; the visual mechanism is arranged above the transparent bearing plate and is used for acquiring image information; the probe mechanism is used for electrically connecting a probe with a pin in the CD-ROM integrated light-emitting device according to the image information so as to carry out an electrical test on the CD-ROM integrated light-emitting device; the integrating sphere is arranged below the transparent bearing plate and used for receiving emergent light of the LED chip so as to carry out optical testing on the CD-ROM integrated light-emitting device, and the detection equipment and the detection method of the CD-ROM integrated light-emitting device have the advantage of being high in photoelectric testing efficiency.

The present application discloses a driving method of a display device and a display device. The display device includes multiple scan lines, multiple data lines, and multiple LED lights driven by the multiple scan lines and multiple data lines. The multiple LED lights are arranged in multiple rows and columns. An anode of each LED is connected to the respective scan line. A cathode of each LED is connected to the respective data line. The driving method includes: obtaining a compensated display grayscale corresponding to an LED in an instant row based on a display grayscale of an LED in the previous row, a display grayscale of the LED in the instant row, and a display grayscale compensation table; obtaining corresponding driving parameters according to the compensated display grayscale corresponding to the LED in the instant row; and controlling the LED in the instant row to display according to the driving parameters.

The invention provides an adjustable full-spectrum solar sun-chasing system and a control method. The system comprises a Fresnel lens condensation unit, a vacuum glass heat collection tube and a photovoltaic power generation unit which are arranged along a light path, the Fresnel lens condensation unit is focused on the vacuum glass heat collecting tube, the rotating axis of the rotating support is the central axis of the vacuum glass heat collecting tube, and the vacuum glass heat collecting tube is connected with a frequency division fluid storage heat exchange unit. A photoresistor sensor and a light incident angle sensor are arranged on the side face of the Fresnel lens condensation unit in parallel, the rotating support is connected with a light following driving device, and the photoresistor sensor and the light incident angle sensor are connected with the input end of a light following control system. The control signal input ends of the light driving device and the focal length adjustment driving device are connected with the output end of the light control system; the Fresnel lens condensation unit is connected with the focal length adjustment driving device; light loss caused by shortening of the focal length of the lens is avoided, heat collection capacity and generating capacity of the system are increased, and overall efficiency of the system is improved.

The invention provides an augmented reality device and a fill-in light control circuit and a camera module thereof, the fill-in light control circuit is composed of a control circuit, a signal modulation circuit and a fill-in light driving circuit, the control circuit respectively outputs a first PWM signal and a second PWM signal of a first frequency and a second frequency, the second PWM signal drives a camera to expose, and the signal modulation circuit is connected with the control circuit. The first PWM signal and the second PWM signal are output to the light supplement lamp driving circuit after being subjected to signal superposition modulation, so that a light supplement lamp driving signal with a corresponding size is output to the light supplement lamp, and the light supplement lamp performs light supplement work in a camera exposure time period and does not perform light supplement work in a camera non-exposure time period through signal superposition modulation. And the overall power consumption of the camera module and the augmented reality equipment is reduced.

The present invention relates to the technical field of light-driven structure design, which solves the technical problem that traditional burst structures stop after a single burst and need to rely on manual or electrical signal triggering to reset, making it difficult to achieve continuous autonomous action. In particular, it relates to a self-excited burst light-driven structure and its self-control method, and the light-driven structure includes a protective shell, a control component, and a fixing part. The liquid crystal elastomer sheet in the composite sheet has a photothermal response characteristic, and when subjected to external photothermal stimulation, it will shrink and deform, driving the free end of the composite sheet to bend to one side and enter the non-illuminated area, and then dissipate heat to recover and re-enter the illuminated area to achieve a self-sustaining process. The present invention can maintain an autonomous, multiple, and continuous burst process under constant light stimulation, and has the advantages of simple structure, sensitive response, and energy self-sustaining. It provides a new solution for the development of efficient and autonomous light-driven burst devices, showing greater research value and application potential.

The application discloses a method for directly decomposing magnesium-based hydride by light driving. The method is realized by a photolysis device, and the photolysis device comprises a reaction container, a light source, a buffer container and a water container. The light source is arranged on the oblique upper side of the reaction container, so that the magnesium-based hydride in the reaction container is decomposed and releases hydrogen under the irradiation of the light source. A hydrogen outlet is arranged on one side of the reaction container. One end of the buffer container filled with water is connected with the hydrogen outlet, and the other end is connected with the water container. The generated hydrogen amount is calculated through the water container. The method specifically comprises the following steps: after solid-phase ball milling treatment of the magnesium-based hydride, the ball-milled magnesium-based hydride is loaded in the reaction container of the photolysis device, and reacts under the irradiation of the light source of the photolysis device to directly decompose and obtain hydrogen. The method has the advantages of higher hydrogen production, greenness and controllable reaction.

The application provides a disc-based multi-staining biochip detection method based on nanoparticle disturbance laser signal, which comprises the following steps: S1, determining staining substances of various to-be-detected organisms according to the concentration detection range of various to-be-detected organism solutions; S2, preparing a staining organism array of various to-be-detected organism solutions on a disc base to obtain a disc-based staining biochip; S3, scanning the disc-based staining biochip based on a blue light drive; and S4, analyzing the BIS error number at each logical position in the scanning result, and determining the concentration of the to-be-detected organism solution according to the BIS error number size. The application can realize the simultaneous detection of the concentrations of various organism solutions, and improves the detection efficiency.

The utility model belongs to the field of ocean engineering technology, concretely relates to a light drive offshore oil spill recovery device, including the float seat, the float seat is opened with the water inlet and the water outlet, the float seat bottom both sides symmetry are provided with the propeller, the float seat inside is provided with the collection mechanism, the float seat top fixed setting has the photovoltaic board mounting seat, the photovoltaic board mounting seat is installed with photovoltaic board and battery, the collection mechanism includes the oil collecting tank, the oil collecting tank is communicated with the oil-water separator through electric oil pump, the oil-water separator fixed mounting is in the float seat inside, is connected with the water outlet pipe and the oil outlet pipe, the water outlet pipe is communicated with the water outlet through the water pump, the utility model discloses adopt photovoltaic board as the main energy source, combines the battery system, provides the sustained stable electric power support for the whole device. This design reduces the dependence on traditional diesel generator or shore power supply, solves the energy supply problem when far away from the coast operation.

The invention discloses a preparation method of a melon-phase single crystal carbon nitride photocatalyst for visible light driven full water decomposition, and belongs to the technical field of photocatalytic material preparation. The preparation method comprises the following steps: firstly preparing prepolymerized melon phase carbon nitride, then reacting the prepolymerized melon phase carbon nitride with ternary eutectic point molten salt to synthesize partially deaminated melon phase carbon nitride, and then carrying out heat treatment on the partially deaminated melon phase carbon nitride under a vacuum condition, thereby synthesizing the single crystal melon with a triclinic crystal phase for the first time. The process is simple, the cost is low, the material is non-toxic and harmless, the actual production requirement is met, the obtained melon-phase single crystal carbon nitride can prolong the exciton diffusion length by means of high crystallinity, it can be ensured that the charge migration distance is smaller than the exciton diffusion length, and therefore bulk phase recombination is effectively inhibited, and therefore the melon-phase single crystal carbon nitride is used for visible light driven photocatalytic full decomposition of water for hydrogen production, and the hydrogen production efficiency is improved. The efficiency can be improved by nearly two orders of magnitude, and the method has great application potential.

The invention provides a vehicle light control device, an interaction lamp and a vehicle system, the vehicle light control device comprises a light driving module, the light driving module comprises M driving chips, and M is a positive integer; each output end of the time division multiplexing module is coupled with the positive electrode of a group of light emitting units, and each group of light emitting units at least comprises N light emitting units; each driving chip is coupled with the negative electrodes of the P groups of light-emitting units; wherein P represents the number of the output ends of the time division multiplexing module; wherein the light driving module and the time division multiplexing module are used for receiving a message of a vehicle controller, and controlling the light emitting state of the light emitting unit based on the message. Through the mode, the time division multiplexing module is combined with the light driving module to carry out time division control on the light emitting units, so that more light emitting units are controlled on the basis that the number of hardware is not changed.