117 results about "Light Cell" patented technology

The invention discloses a photovoltaic power generation support with an angle adaptive adjustment function, and belongs to the technical field of solar photovoltaic power generation. Comprising a support, a mounting frame and a photovoltaic panel, a rotating frame and a fixing rod are arranged at the top end of the support, and double-shaft adjustment is achieved through an electric scissor jack on the support frame and a turnover adjusting mechanism between a T-shaped adjusting frame and the mounting frame. Four groups of silicon photocells are arranged at the top end of the photovoltaic panel up, down, left and right to serve as photosensitive sensor assemblies, and after signals are transmitted to a controller, first and second servo motors (integrated speed reducers) are driven to control overturning and pitching actions respectively. During working, the silicon photocell collects light intensity difference in real time, the controller calculates solar azimuth deviation, the adjusting mechanism adjusts the pitch angle and the azimuth angle of the photovoltaic panel in a linkage mode, and a'detection-adjustment-feedback 'closed loop is formed. Through double-shaft self-adaptive adjustment, the light energy receiving efficiency is improved, and the silicon photocell array is high in anti-interference capacity, high in driving precision, compact in mechanical structure, low in cost and suitable for photovoltaic systems of different scales.

The utility model relates to the technical field of fluorescence detection instruments, in particular to a double-channel portable fluorescence detector. Comprising a lithium battery, a transformer, an electromagnetic relay, a constant current driving module, a cross light path module, a current-voltage conversion board and an analog-to-digital converter, and the lithium battery supplies power to an internal circuit of the detector; the transformer intelligently converts the power supply voltage of the lithium battery; the electromagnetic relay is connected with the constant-current driving module and drives the LED light source to be lightened in a pulse mode. The cross light path module comprises an LED light source, a silicon photocell and a light filter, and the LED light source and the silicon photocell are fixed through a buckle; the current-voltage conversion plate is connected with the silicon photocell, converts a photocurrent signal into a voltage signal, amplifies the voltage signal and inputs the amplified voltage signal into the analog-to-digital converter; the analog-to-digital converter converts the received voltage signal into a digital signal. According to the cross-shaped light path, double-channel fluorescence detection under double excitation wavelengths can be achieved, the detection flexibility is greatly improved, and the application range is greatly widened.

The invention relates to a stacked optical MOS solid-state relay with a ceramic packaging structure, and belongs to the technical field of solid-state relays. Comprising a ceramic tube shell, a light emitting diode chip, a photocell chip and an MOS chip which are packaged in an inner cavity of the ceramic tube shell, and an input pin and an output pin which are fixed on the outer wall of the ceramic tube shell. Wherein the MOS chip is welded and fixed at the bottom of an inner cavity of the ceramic tube shell, the photocell chip is fixed above the MOS chip through insulation paste, and the light-emitting diode chip is fixed right above a photosensitive area of the photocell chip. The light emitting diode chip is connected with the input pin through the first metal conduction band, and the MOS chip is connected with the output pin through the second metal conduction band. According to the invention, the size of the optical MOS solid state relay can be reduced by more than 50% through the structural optimization of the ceramic tube shell and the stacked structure of the internal chip.

The invention discloses a hollow glass thermoelectric integrated device for a photovoltaic curtain wall, and belongs to the technical field of photovoltaic equipment. The photovoltaic thermoelectric assembly is mounted in the outer frame; and the sealing sliding frame is connected to the interior of the outer frame in a sealed and sliding mode, a glass plate is installed in the sealing sliding frame in a sealed mode, a sealed hollow cavity is defined by the sealing sliding frame, the glass plate, the photovoltaic thermoelectric assembly and the outer frame, and a plurality of telescopic rod installation sleeve frames are fixedly connected to the interior of the outer frame. The micro electric telescopic rod and the sealing sliding frame are arranged to drive the hollow cavity to stretch out and draw back, the hollow cavity expands at high temperature, the heat insulation layer is formed while the volume is increased and the pressure is reduced, the influence of external high temperature on the efficiency of the silicon photocell is reduced, and the heat conduction is enhanced and the waste heat utilization rate is improved while the volume is shrunk at low temperature to prevent negative pressure; meanwhile, when the drying agent is regenerated, the hollow cavity is firstly driven to expand and depressurize, so that nitrogen in the drying box can be reduced.

The utility model provides an automatic calibration detection device for a servo encoder, which belongs to the technical field of encoder calibration and comprises a bearing platform and a control module, a calibration platform is arranged above the bearing platform, and a driving mechanism and a calibrated motor mounting mechanism are arranged between the bearing platform and the calibration platform. The control module comprises an FPGA (Field Programmable Gate Array) microprocessor, a power supply module and a driver control module, and the FPGA microprocessor is connected with an encoder of a motor to be calibrated through a signal interface of the encoder to be calibrated; and the driving module is respectively connected with a rotary driver and a high-precision encoder of the driving mechanism through a driver UVW interface and a driver encoder interface of the servo driver. According to the device, MTA and MTB code channel signals are acquired through electric signals, whether a code disc code channel is aligned with a photocell or not is judged, and the reliability and the consistency of the servo motor are improved.

The invention discloses an unmanned aerial vehicle endurance energy supply system and method based on optical fibers, and belongs to the technical field of power transmission line unmanned aerial vehicle inspection. The system comprises a ground laser source, an optical fiber link and an unmanned aerial vehicle library arranged on a power transmission tower; the ground laser source generates laser, the laser is sent to the unmanned aerial vehicle garage through the optical fiber link, and the unmanned aerial vehicle garage converts the laser into electric energy for charging the unmanned aerial vehicle; unmanned aerial vehicle inspection data is sent to a ground laser source from an unmanned aerial vehicle library through an optical fiber link, and the ground laser source collects the inspection data to a main station; the optical fiber link comprises a multimode optical fiber with a set core diameter and a beam splitter, one end of the multimode optical fiber with the set core diameter is connected with a coupler of the ground laser source, the other end of the multimode optical fiber with the set core diameter is connected with the beam splitter, and the output of the beam splitter directly faces the packaged photocell. The optical fiber is used as an energy transmission medium, energy is sent to the unmanned aerial vehicle hangar along with an optical fiber link, and light energy is converted into electric energy in the unmanned aerial vehicle hangar.

The invention provides an energy-information collaborative optimization system and optimization method.The optimization system comprises a reverse communication module, a collaborative control unit, a pump laser and an optical phase conjugation module which are connected in sequence, and the reverse communication module is connected with a receiving end of an optical fiber energy-information co-transmission system; the optical phase conjugation module is used for acquiring output electric power of a receiving end photocell and a communication performance index for representing communication quality, and is arranged at a midpoint position of an optical fiber link; the cooperative control unit is used for reading the output electric power of the photocell and the communication performance index acquired by the reverse communication module and dynamically adjusting the output of the pump laser based on the output electric power of the photocell and the communication performance index, so that the phase conjugation efficiency of the optical phase conjugation module is changed; therefore, the value of the comprehensive performance function is maximized. According to the energy-information collaborative optimization system and optimization method, collaborative optimization of communication quality and energy transmission efficiency can be realized.

The invention discloses a high-voltage 1064nm InGaAs laser battery, an epitaxial structure of the laser battery comprises a substrate, and a GaAs buffer layer, an AlGaAs tunneling junction, an AlGaInAs gradient layer, an (N-1)-junction GaInAs sub battery, an (N-1)-th GaInP window layer, an Nth-junction GaInAs sub battery, an Nth GaInP window layer and a GaInAs cap layer which are arranged on the substrate in sequence, and the GaAs buffer layer, the AlGaAs tunneling junction, the AlGaInAs gradient layer, the (N-1)-th GaInAs sub battery, the Nth GaInP window layer, the Nth GaInP window layer and the GaInAs cap layer are arranged between the first GaInAs sub battery and the (N-1)-th GaInAs sub battery. A GaInP window layer and an AlGaInAs tunnel junction are arranged between two adjacent GaInAs sub-cells from bottom to top, and when N is greater than or equal to 9, the open-circuit voltage of the laser cell can reach more than 7V. According to the invention, the AlGaInAs buffer layer with the gradient In component is adopted, and the 1064nm laser cell with the GaInAs material grown on the GaAs substrate is superior to a multi-junction 808nm laser cell.

The invention discloses a laser battery test system, which is used for measuring the photoelectric conversion efficiency of a laser battery under a high-power laser irradiation condition, and comprises a laser power test device and a laser battery test device, the laser power test device comprises a laser light barrier and an optical power meter, and is used for calculating the laser power; the laser battery testing device comprises a laser battery substrate, a first adapter plate, a cooling heat dissipation plate and a battery management system and is used for tracking the maximum output power of a laser battery. And the photoelectric conversion efficiency of the laser battery is the ratio of the maximum output power of the laser battery to the laser power. According to the invention, the problem of high-power laser power measurement is solved, the laminar flow path of the cooling heat dissipation plate is utilized to efficiently cool the temperature, the performance of the laser battery is prevented from being reduced, and the advantages are obvious.

This invention discloses a frustum-shaped flexible photoelectric energy conversion module, comprising an optical fiber connector, a housing, and a photovoltaic cell. The optical fiber connector is fixedly disposed on the top of the housing. A frustum-shaped cavity is formed within the housing, and the photovoltaic cell is fixed within the cavity. The photovoltaic cell is a three-dimensional flexible energy transfer chip comprising multiple sub-cells connected in series. Each sub-cell comprises multiple arrayed nanowires with a radial PIN structure. A wire interface is provided on the housing. The input end of the photovoltaic cell is connected to an external input device via the optical fiber connector, and the output end of the photovoltaic cell passes through the wire interface and is connected to a power-consuming device. In this invention, the use of a nanowire array structure for the sub-cells increases the specific surface area, expands the longitudinal absorption area, saves projected area, reduces volume, and improves heat dissipation. Simultaneously, the nanoarray structure can significantly improve the light-harvesting capability and charge separation efficiency of the cell.

The invention provides a photovoltaic-thermoelectric laminated laser cell based on low-thermal-conductivity nanocrystalline embedding and a preparation method thereof. The laser cell is sequentially provided with a conductive substrate, an electron transport layer, a cesium-lead-bromine-based optical active layer, a carbon electrode layer, heat-conducting glue and a thermoelectric module from top to bottom, and the cesium-lead-bromine-based optical active layer contains modified nanocrystals with low thermal conductivity. According to the photovoltaic-thermoelectric laminated laser cell embedded based on the low-thermal-conductivity nanocrystals, when laser is subjected to high-intensity irradiation, a thermoelectric part in the laminated laser cell enables the photovoltaic cell to work in a better temperature region by reducing the working temperature of the photovoltaic cell; and the embedding of the low-thermal-conductivity nanocrystalline further reduces the working temperature of the photovoltaic module and isolates more heat in the thermoelectric module so as to generate more electric energy, so that the photoelectric conversion efficiency of the whole power generation device is improved, the working stability of the laminated laser battery is enhanced, and the service life of the laminated laser battery is prolonged.

The invention provides an optical fiber energy and signal co-transmission system and method, and the system comprises a dual-wavelength laser source, a co-fiber transmission optical fiber, and a sensor node which comprises a wavelength division multiplexer, a photocell, a super capacitor and a node central processing chip. The dual-wavelength laser source is arranged on a transformer substation side and is used for emitting composite light of energy light and communication light; the composite light is transmitted and separated through the common-fiber transmission optical fiber and the wavelength division multiplexer respectively; the photocell is used for converting energy light into electric energy and storing the electric energy in the super capacitor; and the node central processing chip is used for receiving the separated communication light and responding to a corresponding signal instruction, and is also used for detecting the voltage at the two ends of the super capacitor and adjusting the working mode of the sensor node according to the voltage. According to the optical fiber energy and signal co-transmission system and method, the problems of difficult energy supply and limited communication distance of a remote node of the traditional power Internet of Things are solved, and the integration level and reliability of the system are improved.

The utility model provides a split type encoder without a bearing, comprising a main body, the main body is provided with a through hole, a cavity and a mounting channel, and any one of the cavity and the mounting channel is communicated with the through hole; the code disc is arranged in the cavity; the first end of the code disc shaft is connected with the code disc, the second end of the code disc shaft is located in the through hole, and the code disc shaft is provided with a matching opening; and the preassembling piece is detachably arranged in the mounting channel, the preassembling piece is provided with a limiting part, and based on the fact that the preassembling piece is arranged in the mounting channel, one part of the preassembling piece is inserted into the matching opening, and the outer wall of the code disc shaft is matched with the limiting part. According to the split type encoder, accurate positioning of the code disc in the cavity is achieved, the problem that the code disc or the photocell is damaged due to interference between the code disc and the photocell and interference between the code disc and the circuit board can be effectively avoided, and the performance of the split type encoder is ensured.

An LED display device (1) comprises: an LED display layer (10) that has surfaces (10A, 10B) positioned on mutually opposite sides in the thickness direction, the LED display layer (10) including a plurality of LED elements (11) disposed along one of the surfaces; a photovoltaic layer (20) that is disposed side by side with one of the surfaces of the LED display layer (10); and a battery unit (30) that is electrically connected to the LED display layer (10) and the photovoltaic layer (20), the battery unit (30) including a plurality of batteries (31). Power generated in the photovoltaic layer (20) is stored in the battery unit (30), and the LED display layer (10) is driven by the power stored in the battery unit (30).

The application provides a preparation process of a high-conversion photovoltaic panel, and belongs to the technical field of photovoltaic panel preparation. The process solves the problem that the prior art does not have a process flow for small-scale trial processing of photovoltaic panels to trial-produce high-conversion photovoltaic panels. The preparation process of the high-conversion photovoltaic panel comprises the following steps: selecting a square metal back plate, an insulating plate and a photovoltaic cell plate, pasting the insulating plate on the metal back plate and pasting the photovoltaic cell plate on the insulating plate, and then pressing and fixing to form a photovoltaic panel base material, and then sequentially applying a polyvinyl butyral layer, a polyolefin layer, a polystyrene and polycarbonate polymer layer and an oxide layer on the surface of the photovoltaic panel base material. Compared with the prior art, the process adopted in the application is convenient to schedule, and the trial production can be more conveniently carried out during the processing process to obtain the trial production effect.

The invention provides a visible light communication, position awareness and energy collection integrated method based on OFDM, and relates to the technical field of visible light communication. The method comprises the following steps: at a sending end, performing OFDM modulation on user information to be sent to generate an OFDM signal, and sending the OFDM signal to a receiving end through a plurality of LEDs; at a receiving end, adopting a silicon photocell as a photoelectric detector to receive the OFDM signals sent by the plurality of LEDs to obtain received signals; at a receiving end, separating a direct-current component and an alternating-current component in a received signal by adopting an alternating-current and direct-current separation circuit, and performing energy collection on the separated direct-current component; at a receiving end, processing the separated AC component, extracting a positioning subcarrier and a communication subcarrier, performing OFDM demodulation on the communication subcarrier, recovering user information, and determining the position information of the user according to the light intensity information contained in the positioning subcarrier and the position information of the LED; in this way, communication, location awareness and energy harvesting functions can be provided for users at the same time.

The invention relates to an intelligent window power supply control system based on photovoltaic driving, which comprises a main power supply circuit, a standby power supply circuit and a load circuit, and is characterized in that the main power supply circuit comprises a photocell pack, a storage battery pack, a combined socket and a contactor, and the standby power supply circuit comprises a frequently-used power supply, a terminal strip, a fuse, a contact switch, an AC / DC converter and a rectifier diode; the load circuit and the AC / DC converter are arranged in parallel, the load circuit comprises a motor and a solid-state relay, power storage is provided for the storage battery pack through the photocell pack, natural resources are reasonably utilized, and the power consumption cost is saved; a load circuit is assembled on the standby power supply circuit, so that the problems that a power supply is easily influenced by weather factors, so that the circuit is unstable, and an intelligent window system based on photovoltaic driving is easily damaged are solved; the green power connection head of the first combined socket and the green power connection head of the second combined socket are connected with the storage battery pack in parallel and are arranged in a vacant mode, multiple groups of load circuits can be loaded in parallel, and each group of circuit works independently and does not influence each other.

The invention provides an illumination monitoring device for a plant leaf and a plant monitoring system, and belongs to the field of optical analysis, the illumination monitoring device comprises a mounting rack, a flexible circuit board and a plurality of photocells, the mounting rack comprises a deformation support arranged on the upper surface of a to-be-monitored leaf, and the deformation support comprises a plurality of first hinge shafts and a plurality of connecting pieces; the adjacent connecting pieces are hinged through a first hinge shaft, each first hinge shaft is perpendicular to a to-be-monitored blade, the connecting pieces are attached to the blade, and the connecting pieces are arranged on the to-be-monitored blade in a zigzag manner; the flexible circuit board is in a long strip shape and is arranged on the connecting pieces in a zigzag winding mode, and along with growth of the blade, the included angle between the connecting pieces is increased, and the distance between the two ends of the flexible circuit board is increased. The photocells are arranged on the flexible circuit board at intervals. Compared with the prior art, the technical problem that an existing illumination monitoring device cannot be directly attached to the surface of the blade, so that the blade cannot be accurately monitored for a long time is solved.

An intraoral scanner includes a projector unit configured to emit light at least onto a dental object of a patient; an image sensor configured to acquire reflected light from at least the dental object; a battery for powering the intraoral scanner; a processor unit configured to process the reflected light into one or more 2D images and / or 3D images; a wireless interface configured to communicate with an external device the one or more 2D images and / or 3D images, a motion sensor configured to sense a motion of the intraoral scanner; a timer unit; and a power management unit configured to reduce the power consumption of the intraoral scanner based on a motion signal provided by the motion sensor and a timer signal provided by the timer unit.Buchanan

The invention discloses a solid-state relay circuit with a quick turn-off function in the technical field of integrated circuits, which comprises a photovoltaic generation chip, a light-emitting input module and a first photocell group, and is characterized in that the photovoltaic generation chip comprises a first photocell group; the light-emitting input module comprises a first input control pin INP and a second input control pin INN, and one end of the first input control pin INP is connected with the anode of the light-emitting diode D1. According to the invention, an independent second photocell group which is not limited to two sections is provided for a depletion transistor N1, the transistor N1 can be turned off, meanwhile, a first resistor is used for rapidly discharging a parasitic capacitor which is connected in series with a first photocell and a second photocell and a grid parasitic capacitor of the MOS transistor N1, and a diode D2 and a triode Q1 are arranged, so that the voltage of the transistor N1 is reduced. And the discharge current of the PVG chip can be further improved.

The utility model is suitable for wireless charging technical field provides a wireless charging device and door lock, the wireless charging device includes transmitting end and receiving end, and receiving end includes photocell, and transmitting end includes main casing, visible light beam emission part, charging light beam emission part and angle adjusting assembly. When charging work is carried out, can irradiate the charging light beam that charging light beam emission part emits on photocell, and photocell will convert the energy carried in charging light beam into electric energy. Visible light beam emission part is still provided with on main casing, and the visible light spot can be formed through visible light beam emission part, and the position of charging light spot can be indicated through visible light spot, so that people can clearly and intuitively determine the position of charging light spot, and when the position of charging light spot deviates, the emission angle of visible light beam emission part and charging light beam emission part is adjusted through angle adjusting assembly, so that the alignment of transmitting end and receiving end is more convenient.

The utility model relates to an electronic control system which can be integrated into a driver and is suitable for commercial or household LED technology public lighting. The system controls on, dimming and off of the lamp within specific time, and time change caused by seasonal change in one year is considered. A satellite real-time clock equipped with a GNSS (Global Navigation Satellite System) geolocation technology, a GPS (Global Positioning System) or other satellite receiving antennas can be selectively provided with a light sensor, so that the satellite real-time clock has autonomy and can track according to a program pre-loaded by a user. The system does not need to use external equipment, such as a photocell, an NEMA base, a modem, a control / monitoring center or an internet data network service, so that the system becomes an innovative technology with greater advantages, specific faults and implementation cost caused by no need of external accessories are reduced, and economic benefits and energy conservation are further maximized.

The invention discloses an amino acid composite material-based anti-terrestrial magnetic suspension garment and a preparation method thereof, the amino acid composite material-based anti-terrestrial magnetic suspension garment comprises a conductive substrate, a pulse wave electric energy adsorption layer, a palm reflection electric cake, a bioluminescence battery assembly and a crystal grain tube, the conductive substrate polystyrene is woven by amine fibers, and the surface resistivity of the conductive substrate is less than or equal to 102 omega.cm; the adsorption efficiency of the pulse wave electric energy adsorption layer is larger than or equal to 90%, the palm reflection electric cake is composed of a silicon carbide ceramic substrate and a silver nanowire electrode, the energy storage density of the palm reflection electric cake is larger than or equal to 50 mAh / g, and the grain tube is detachably connected with the conductive base body through correspondingly-arranged magnetic buckles. Polar amino acids are extracted from herbaceous plants, hexagonal crystal system crystalline compounds are generated in combination with metal salts, a conductive substrate is constructed, a biological fluorescent battery is integrated, fluorescence energy transfer is excited by ultraviolet light, charged particles are driven to vibrate to repel a geomagnetic field, and controllable suspension is achieved. The intelligent energy-saving helmet has the functions of energy self-supply and intelligent adjustment, and is comfortable to wear and high in environmental adaptability.

The application belongs to the technical field of wavelength selective radiators, and particularly relates to a wavelength selective radiator for a thermophotovoltaic system and a preparation method thereof. 12 The wavelength selective radiator for the thermophotovoltaic system is prepared by weighing Er2O3 and excess Al2O3 powders respectively, mixing, powdering, blank making, glue discharging, sintering, annealing and grinding. The wavelength selective radiator for the thermophotovoltaic system has high directional transparency, and the whole body can output effective photons that can be utilized, so that the whole material thermal excitation emission of millimeter level thickness is realized. The space volume utilization rate and radiation efficiency of the radiator are high, and the blocky ceramic device has a dense and fine microstructure, good integrity and thermal stability, and meets the long-term high-temperature use requirement.

The invention provides a radiator and a photovoltaic system, and belongs to the technical field of thermal photoelectric isotope nuclear battery heat dissipation, the radiator comprises a cavity and a micro-channel shunting structure, the micro-channel shunting structure is arranged in the cavity, and the micro-channel shunting structure is used for uniformly distributing a coolant in the cavity. The radiator is internally provided with the micro flow channels, a coolant can be allocated to uniformly flow into the micro flow channels, and the radiator is high in radiating capacity and uniform in temperature distribution; heat dissipation can be provided for a high-power photovoltaic system, and it is ensured that a photocell works within a safe temperature.

The invention discloses a concentrating cell module and a preparation method thereof, and the concentrating cell module comprises a concentrating gallium arsenide solar cell, a buffer layer, a first silver-gold plating layer, a front copper foil, a substrate, a back copper foil, a nickel plating layer, a palladium plating layer and a gold plating layer, and the front copper foil and the back copper foil are respectively arranged on the front side and the back side of the substrate. A nickel plating layer, a palladium plating layer and a gold plating layer are sequentially plated on the back face of the back copper foil, a first silver-gold plating layer is plated on the front face of the front copper foil, a cell fixing area is preset on the front face of the front copper foil, a buffer layer is plated on the back face of the light-gathering gallium arsenide solar cell, and the buffer layer is a second silver-gold plating layer or a gold-tin plating layer. The light-gathering gallium arsenide solar cell is placed in the cell fixing area, the positive electrode of the light-gathering gallium arsenide solar cell is connected with the positive electrode of the front copper foil, and the negative electrode of the light-gathering gallium arsenide solar cell and the negative electrode of the front copper foil are conducted through resistance welding. According to the invention, the problem of poor heat dissipation performance of the light-condensing gallium arsenide solar cell in high-power light-condensing application can be effectively solved.

The invention discloses a photovoltaic power generation performance prediction device, which is arranged in a photovoltaic power generation field, and comprises a weather acquisition device, a dust retention degree acquisition module, a same-condition glass plate, a power supply module, a power supply module and a power supply module, the inclination angle and orientation of the photovoltaic panel are equal to the supporting angles and orientations of other photovoltaic panels in the photovoltaic power generation field; the first silicon photocell is fixed on one side of the partition plate at the first darkroom and is positioned above the partition plate opening; the second silicon photocell is arranged on one side of the same-condition glass plate facing the ground; the invention further discloses an implementation method of the photovoltaic power generation performance prediction device, according to the photovoltaic power generation performance prediction device, a silicon photocell is used for completing real-time testing of the dust density of the glass plate under the same condition, the problem that data cannot be collected in time is solved, and the photovoltaic power generation performance prediction device has the advantages that the real-time testing of the dust density of the glass plate under the same condition is achieved. The data can be timely fed back and collected and can participate in the prediction of the photovoltaic performance.

A light intensity measuring device for an ultraviolet disinfection chamber and a related method are provided. The light intensity measuring device for the ultraviolet disinfection chamber includes a base, a photocell array rotatably arranged at the base and configured to simultaneously measure the ultraviolet light intensity in the ultraviolet disinfection chamber at multiple points, and a supporting component arranged at the chamber top of the photocell array.

The invention discloses a portable low-energy ray detection device and a preparation method thereof, and belongs to the technical field of radiation monitoring. The device aims at solving the problems that a traditional X or gamma ray detector is large in size, high in cost, complex in operation and insufficient in low-energy ray detection sensitivity. According to the technical scheme, an optical fiber probe module is composed of an optical fiber core, a cylindrical aluminum foil mold and a composite scintillator layer, a Cs3Cu2I5: Mn < 2 + > 15% scintillator material and UV glue mixture is injected into an annular cavity of the mold and cured to absorb low-energy X or gamma rays and emit fluorescence, and the cylindrical aluminum foil mold serves as a reflecting layer; the optical fiber probe module is packaged through a 3D printing optical fiber cap, and the output end is coupled with the photocell to realize photoelectric conversion; the alarm circuit control module adopts a triode control circuit to drive a light emitting diode to emit light. The device is small in size, low in cost and suitable for real-time monitoring and alarming of low-energy rays in environments such as medical radiation departments and the like, and personnel safety is guaranteed.