66results about How to "Realize photoelectric conversion" patented technology

The invention relates to a solar cell and aims at providing an energy storage type solar cell. The energy storage type solar cell takes a non-woven fabric made from polypropylene fibers or an anion exchange membrane as a dissepiment, takes an alkaline solution as electrolyte and takes a mixture of cobalt hydroxide loaded on foamed nickel and carbon black as a positive pole; a negative pole of the energy storage type solar cell is in a pressed multi-layer structure sequentially including a conductive glass, a TiO2 layer coated on the surface of the conductive glass with a binding agent, a hydrogen storage metal (loaded on the foamed nickel)-TiO2 mixture layer and the foamed nickel from outside to inside; and the mixture loaded on the positive pole and the foamed nickel of the negative pole are respectively opposite to the dissepiment. The invention not only realizes the photoelectric conversion of solar energy, but also stores the solar energy in real time, is easy to miniaturize, has easy miniaturization and low cost without pollution and carbon emission and is environmental friendly; in addition, a solar cell power generation device is easy to miniaturize due to the intensification of a power generation function and a power storage function.

The invention discloses a method for preparing a bimetallic co-doped two-dimensional nanoelectrode material which is free of precious metal doping, low in cost, easy to prepare and high in photoelectrochemical activity, and belongs to the technical field of novel nano functional materials and green energy. According to the method, an iron and manganese co-doped titanium dioxide nanosheet material is compounded on an iron and manganese co-intercalated molybdenum disulfide nanosheet in an in-situ mode, and a two-dimensional nano composite FeMn-TiO2/MoS2 with an iron and manganese co-doped titanium dioxide nano diamond compounded on molybdenum disulfide in an in-situ mode is obtained. Prepared FeMn-TiO2/MoS2 can be applied to the fields of solar photovoltaic cell preparation, photoelectrochemical sensor construction, photocatalysis water decomposition hydrogen manufacturing, photocatalytic organic pollutant degrading and the like.

The invention discloses a solar light-emitting diode (LED) voice-controlled corridor lighting system which comprises an LED lamp, a voice-controlled unit, a delay control unit, a singlechip and a power supply unit, wherein the LED lamp is used for lighting in a corridor; the voice-controlled unit is used for turning on the LED lamp and comprises a voice acquisition device and a tone discrimination device; the delay control unit is used for delaying after the LED lamp is turned on by the voice-controlled unit; the singlechip is electrically connected with the voice-controlled unit and the delay control unit respectively; the power supply unit is used for supplying power to the LED lamp, the voice-controlled unit, the delay control unit and the singlechip and comprises a solar cell panel, a charging circuit, a storage battery and a conversion circuit which are sequentially connected; the tone discrimination device is provided with a tone feature library of pre-extracted voices of corridor users; the voice acquisition device is used for sending the acquired voice to the singlechip for tone feature extraction; and the singlechip is used for comparing the extracted tone feature with the tone feature of the tone feature library and sending discrimination information to the LED lamp through the delay control unit. The solar LED voice-controlled corridor lighting system has the advantages of safety for the corridor users, energy saving and environmental friendliness.

The invention relates to a solar battery, and aims at providing a solar battery for staggered power generating in situ. The battery takes non-woven fabrics manufactured by an anion-exchange membrane or polypropylene fibre as a septum and takes aqueous alkali as electrolyte; the battery takes a conducting polymer modified carbon-based cobalt hydroxide catalyst loaded on an electrode matrix as an anode and takes a water splitting hydrogen storage material as a cathode. The water splitting hydrogen storage material includes a titanic type hydrogen storage alloy as a matrix and a membrane adhered on the surface of the matrix and consisting of anatase titan TiO2 and transition metal particles through mixing. The solar battery for staggered power generating in situ realizes the photoelectric conversion, but also can store power energy, and can implement staggered power generating in situ. Meanwhile, the solar battery for staggered power generating in situ changes the current situation that the traditional solar battery can only implement energy conversion, but can not implement energy storage, expands the application scope of the solar battery, and is one revolution for solar battery technology.

The invention discloses an organic semiconductor material containing fluorene, anthracene and thiophene bithiophene, a preparation method thereof and an application thereof. The organic semiconductor material is a substance with the following general formula: the preparation method comprises the following steps of: reacting 2,7-dibromo-9,9-dialkyl fluoryl, n-butyllithium and 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxolane borane or bis(pinacolato)diboron to obtain an intermediate product at -70 to -85 DEG C under the condition without water and oxygen; and (2) carrying out Suzuki reaction onthe intermediate product and 9,10-dibromoanthracene or derivative as well as thieno[3,2-b] thiophene or derivative under the condition without oxygen so as to obtain the final product. The product has the advantages of good light and heat stability, good film forming property and high photoelectric conversion efficiency. The preparation method has the advantages of simple route and low technical requirement. The material disclosed by the invention is applied to the aspects like organic solar cell devices, organic field effect transistors, organic electroluminescent devices and the like.

The invention discloses an ultra broadband spectrum light-sensitive material, and the material contains Eu-Sb-Te ternary telluride crystals or Eu-Bi-Te ternary telluride crystals. The invention also discloses a photoelectric detector employing the material, and the detector comprises a light sensing unit which can carry out photoelectric conversion. Two ends of the light sensing unit are respectively provided with a metal electrode, and the material of the light sensing unit contains the former ultra broadband spectrum light-sensitive material. According to the invention, the ultra broadband spectrum light-sensitive can achieve the photoelectric conversion in the ranges of ultraviolet, visible, infrared and terahertz bands, and is wide in application range of temperature. The photoelectric detector can achieve the light detection in the ranges of ultraviolet, visible, infrared and terahertz bands, and the working temperature section is from 77K to 400K. In addition, the photoelectric detector is simple in structure, facilitates large-scale integration through combining with the crystal growth technology and the film preparation technology, is convenient to make, and remarkably reduces the preparation cost under the condition that the performance of the detector is effectively improved.

The invention discloses a preparation method of a two-dimensional nano electrode material which is free of noble metal doping, low in cost, easy to prepare and high in electrooptic activity, and belongs to the technical field of novel nano functional materials and green energy. The method comprises the steps that a copper doped titanium dioxide nanosheet material is composited in situ on a molybdenum disulfide nanosheet of a copper intercalation layer, and the two-dimensional nano composite material Cu-TiO2/MoS2 is obtained by in-situ compositing molybdenum disulfide with copper doped titanium dioxide nano blocks through a one-pot method. The prepared Cu-TiO2/MoS2 can be applied to the fields of solar energy photovoltaic cell preparation, photoelectrochemistry sensor construction, photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants and the like.

An intelligent urban heating monitoring system disclosed by the present invention comprises heating pipelines and a control center, solenoid valves are arranged on the heating pipelines, the monitoring sensors and the GPS positioning module which are in paired arrangement are arranged on the heating pipelines, and the monitoring sensors send the monitoring information to the control center via a sensor processor and a sensor wireless communication module. By using the system of the application, the monitoring sensors and the GPS positioning modules obtain the monitoring information in the heating pipelines, and a wireless communication module transmits the monitoring information to the control center, so that the working condition of the urban heating system can be grasped moment by moment. When a heating pipeline leaks, the workers can discover timely and control the solenoid valve to close immediately, thereby cutting off the hot water flow at a leakage point and avoiding the energy waste. Compared with the conventional artificial inspection, the intelligent urban heating monitoring system enables the monitoring efficiency to improved substantially, and is good in monitoring effect and strong in practicality.

The invention discloses a light-heat-electricity driven efficient air water taking device coupled with meteorological environment prediction, and belongs to the technical field of air water taking. The light-heat-electricity driven efficient air water taking device comprises an adsorbent bed, a condenser, an optical assembly, a photovoltaic power generation device, a compressor, a solar heat collector, a detector, a purification device for non-condensable gas, a microprocessor, a power regulator, a control mechanism and a temperature and humidity sensor. The optical assembly provides electricenergy for the compressor in a light condensation and light splitting mode for condensation by the condenser. The optical assembly is used for absorbing solar energy, and non-condensable gas in watervapor generated through desorption is rapidly purified and conducted water-taking through the detector and the purification device. The temperature and humidity sensor and the control mechanism can control the temperature and humidity of air in the light-heat-electricity driven efficient air water taking device. According to the light-heat-electricity driven efficient air water taking device withthe meteorological environment prediction, the whole device is combined with the meteorological environment, the solar heat collection efficiency is met, photoelectric conversion is achieved, and theproblem of water vapor condensation of the non-condensable gas is solved.

The invention relates to the technical field of solar energy utilization, in particular to a solar energy electric heat multistage utilization device based on a spectrum frequency division technology.The solar energy electric heat multistage utilization device based on the spectrum frequency division technology comprises a water storage tank, a heat pipe, a base, a vacuum heat collecting pipe, athin film solar cell panel and a distributed Bragg reflection mirror. The water storage tank and the thin film solar cell panel are arranged on the base; the distributed Bragg reflection mirror and the thin film solar cell panel are correspondingly arranged to form a spectrum response device; the distributed Bragg reflection mirror and the vacuum heat collecting pipe are correspondingly arranged to form a phase-change heat transfer device; the vacuum heat collecting pipe is connected to the heating pipe; and the heating pipe is connected to the water storage tank. The thin film solar cell panel is arranged on the base so as to be used as an optical spectrum frequency divider, and the distributed Bragg reflection mirror is beneficial to improving the spectral response of a solar cell, so that photoelectric conversion on a low-frequency solar energy is realized; and the vacuum heat collecting pipe absorbs a light with the wavelength being larger than an absorption range of the thin filmsolar cell panel so as to carry out photoelectric conversion, so that photoelectric conversion on a high-frequency solar energy is realized.

The invention relates to an energy-storage type cell and aims at providing the battery capable for using sunlight or electricity for charging. The battery takes a composite material of cobalt hydroxide and titanium dioxide as a positive electrode material and takes palladium or palladium-copper alloy as a negative electrode material, alkaline solution is added on the side of a positive electrode as cathode solution, acid solution is added on the side of a negative electrode as anode solution, cation exchange resin is taken as a diaphragm, the positive electrode and the negative electrode are isolated, the alkaline solution and the acid solution are also isolated, the alkaline solution is water solution of potassium hydroxide or sodium hydroxide, and the acid solution is water solution of hydrochloric acid or sulfuric acid. The charge way of the battery is expanded. The battery can not only be charged by using the traditional way and utilizing DC current, but also be charged by using the sunlight; the battery has no pollution and no carbon dioxide emissions, thereby being environment-friendly; the integration of power generation function and power storage function can lead a solar cell power generation device to be easy to realize miniaturization; and the battery can be extensively used in the fields of lighting, household appliances, meteorology, geology, petroleum, railway, aviation, traffic signals, special light sources in agriculture and animal husbandry and the like.

The invention discloses a signal receiving system and an ozone detecting laser radar. The signal receiving system receives ozone echo signals received by a plurality of split telescopes through combined optical fibers and processes the ozone echo signals transmitted by the combined optical fibers through a subsequent light path so that light signals can be converted into electric signals, there isno need to design a large number of coupling light paths, photoelectric detectors or collecting devices according to the number of the split telescopes in a combined telescope, and the aims of reducing the cost of a receiving light path of the combined telescope, improving the integrity of the receiving light path and reducing the adjusting difficulty are realized. In addition, a first signal processing module and a second signal processing module of the signal receiving system are symmetrical about of the axis of a chopper disk, and therefore the photoelectric conversion of Rayleigh echo signals or Raman echo signals can be realized by independently adjusting the light paths where the first signal processing module and the second signal processing module are located.

The invention provides a gas leakage detection method and system. The gas leakage detection method comprises the steps of: using an infrared lighting unit for irradiating infrared light waves to a target region to be imaged; performing coding modulation processing on infrared light waves reflected by the target region to be imaged; collecting and converting the coded infrared light waves, and sending the coded infrared light waves to a processing unit to generate an infrared image; collecting a visible light image of the target region to be imaged; registering and fusing the visible light image and the infrared image through using a processing unit; and positioning a gas leakage point of the target region to be imaged according to the information obtained by registration and fusion. According to the gas leakage detection method, intensity values of the coded and modulated infrared light waves are collected based on two single-pixel detectors and transmitted to the processing unit to generate the infrared image, the gas leakage point of the target region to be imaged can be accurately and rapidly positioned through using target information generated by registration and fusion of thevisible light image and the infrared image by the processing unit, and an alarm is given in time, so that loss and harm caused by gas leakage are avoided.

The invention provides a cascade multilayer QLED device comprising a substrate, an anode, a first cavity transmission layer, a first quantum dot luminescent layer, a first electron transmission layer,a photoelectric conversion layer, a second cavity transmission layer, a second quantum dot luminescent layer, a second electron transmission layer and a cathode stacked in sequence; the photoelectricconversion layer is made of a photoelectric conversion material.

The invention discloses an ultra-broadband multi-channel photoelectric integrated detector for a microwave photonic system, which comprises a sequentially connected light detection conversion unit, a low-noise amplification unit and a microwave amplitude equalization unit. The optical detection conversion unit is used to detect and collect optical signals and convert them into microwave signals; the low noise amplification unit is used to amplify microwave signals; the microwave amplitude equalization unit is used to realize equalization of microwave signals. The present invention breaks through the existing independent light detection, photoelectric conversion and analog radio frequency processing, mainly realizes the integration of light detection, photoelectric conversion and analog radio frequency, and has the characteristics of photoelectric conversion frequency bandwidth, multi-channel, and miniaturization.

The invention provides a high-power light condensation solar photoelectric hydrogen conversion device. The high-power light condensation solar photoelectric hydrogen conversion device comprises a light condensation solar power generation module and an electrolytic hydrogen production module; a main output electrode of the light condensation solar power generation module is correspondingly connected with a main input electrode of the electrolytic hydrogen production module; and the light condensation solar power generation module includes at least one light condensation solar power generation module. The light condensation solar power generation module is directly connected with the electrolytic hydrogen production module for converting optical energy, electric energy and chemical energy. Compared with a traditional optical energy-electric energy-chemical energy-electric energy-optical energy conversion process, a chemical energy-electric energy conversion phase in middle is omitted, so that the loss of electric energy in the conversion phase is reduced, and the solar energy-optical energy conversion efficiency is improved. The device is low in cost and high in efficiency, can realize mass production of efficiency of converting photoelectric energy to hydrogen energy, and can serve as a hydrogen source device to be applied to equipment with hydrogen as energy.

The invention belongs to the field of network video surveillance, and particularly relates to a quantum-encryption-type video monitoring system used for intelligent ad hoc network communication. The system includes panoramic cloud platform and control systems and intelligent ad hoc network communication terminal equipment. The panoramic cloud platform and control systems are connected with the intelligent ad hoc network communication terminal equipment through network interfaces. The intelligent ad hoc network communication terminal equipment uses a wireless Mesh network to realize two-way communication with other intelligent ad hoc network communication terminal equipment and a monitoring center, and thus transmits panoramic video data through the wireless Mesh network. The intelligent adhoc network communication terminal equipment uses quantum keys for encryption, cooperates with the wireless Mesh network to realize double encryption, sets maximum values of connection point numbersand maximum values of data transmission traffic, and can carry out automatic re-connection when the connection point numbers or the data transmission traffic exceeds the maximum values. Panoramic video splicing systems are integrated in the intelligent ad hoc network communication terminal equipment, and collected panoramic video information can be processed and compressed.

The invention provides a photoelectric coupling device, which may include: a monochromatic light source for emitting monochromatic light; a monochromatic light detector used for receiving the monochromatic light; and a monochromatic light transmission medium, wherein at least one part of the monochromatic light transmission medium is located between the monochromatic light source and the monochromatic light detector, and the monochromatic light transmission medium is used for transmitting monochromatic light to the monochromatic light detector through the monochromatic light transmission medium, wherein the wavelength of the monochromatic light is smaller than that of the infrared rays. According to the invention, the upper limit of the working frequency of the photoelectric coupling device can be improved, and the user requirements can be better met.