547results about "Energy efficient lighting" patented technology

The invention discloses a multi-layer insulation space power equipment pile head warning lamp capable of being installed without power outage and an installation method, and aims to solve the problems that an existing insulation protective cover is fast in aging, poor in insulation, not firm in fixation and incapable of being installed without power outage, and the multi-layer insulation space power equipment pile head warning lamp comprises a cover body, a left sliding block, a right sliding block and two sets of turnover type locking mechanisms. According to the cover body, an inner layer plate, an outer layer plate and a connecting plate form a double-layer structure, a left sliding way and a right sliding way are formed, a sliding block adopts a double-layer insulation design and is matched with a one-way ratchet structure to achieve self-locking, two sets of overturning type locking mechanisms complete mechanical locking of a notch, a pressing rod is driven to operate through an insulating rod during installation, power failure is not needed, and installation is convenient. Fixing is completed through the three steps of positioning, locking and sliding block closing, the protective cover is arranged in a suspended mode, the insulation distance is increased, insulation is stable, wind resistance is high, aging is slow, warning can be achieved, and the protective cover is suitable for protection of various power equipment heads and excellent in practicability.

The invention provides europium-doped silicate green fluorescent powder as well as a preparation method and application thereof, and belongs to the technical field of luminescent materials. The green fluorescent powder can generate narrow-spectrum green light with the peak value located at 532 nm under excitation of 450 nm blue light, the full width at half maximum is 46 nm, a white light LED device prepared based on the fluorescent powder has a 110% NTSC color gamut, and it is indicated that the green fluorescent powder has excellent application value in backlight display. The saturation threshold value of the fluorescent powder reaches 21.6 W / mm < 2 > under the excitation of 450nm blue laser, and the lumen at the moment reaches 1157.9 lm. The green fluorescent powder disclosed by the invention has the advantages of high luminous efficiency, narrow full width at half maximum, high light saturation threshold under blue laser excitation, high lumen efficiency and the like, and has application feasibility in the aspect of laser display.

The invention is applicable to the technical field of photoelectricity, and provides a single-matrix white-light rare earth lead-free perovskite nanocrystal, a preparation method and application, and the single-matrix white-light rare earth lead-free perovskite nanocrystal is Eu < 3 + > ion doped Cs3TbCl6 nanocrystal. The rare earth ion Eu < 3 + > is doped into the Cs3TbCl6 nanocrystal, full-spectrum white light emission of blue light (matrix self-limiting state exciton emission), green light (Tb < 3 + > ion emission) and red light (Eu < 3 + > ion emission) is obtained, excellent thermal stability and environmental stability are achieved, and the nanocrystal material also shows excitation light dependent color adjustable emission (blue light, green light, red light and white light) and has good application prospects. The nanocrystal prepared based on a solution method can be applied to large-area flexible photoelectric devices; the fluorescent conversion layer can be used as a fluorescent conversion layer of a white light emitting diode with a high color rendering index, and can also be applied to anti-counterfeiting and information encryption.

The invention belongs to the technical field of fluorescent polymer materials, and particularly discloses bifuran polyamide with high quantum yield and capable of emitting yellow-green wavelength light as well as a preparation method and application of the bifuran polyamide. The method comprises the following steps: dissolving a bifuranoyl chloride monomer in an organic solvent to obtain an organic phase; adding an alkaline aqueous solution into the organic phase to form a phase interface, then adding a diamine monomer, and stirring to carry out an interfacial polymerization reaction; and after the reaction is finished, filtering, precipitating, washing and drying to obtain the bifuran polyamide. The bifuran polyamide is prepared by regulating and controlling the main chain structure and chain rigidity and flexibility of the polymer through a diamine monomer with a specific molecular structure, the emission wavelength of the amorphous bifuran polyamide can reach 540-552 nm under exciting light of 480 nm, red shift is performed to 565-568 nm after crystallization, long-wavelength yellow-green light emission, high-quantum-yield light emission and good biocompatibility are achieved, and the bifuran polyamide can be applied to the field of organic light emitting devices, such as organic light emitting devices, organic light emitting devices, organic light emitting devices, organic light emitting devices, organic light emitting devices, organic light emitting devices, organic light emitting devices and the like. The application of the bio-based polyamide in the field of biological imaging is expanded.

The solar street lamp comprises a lamp pole, a through hole is formed in the lower end of the lamp pole, an installation mechanism is arranged at the bottom of the lamp pole, a base plate is arranged at the bottom of the installation mechanism, an embedded screw rod is arranged in the through hole and connected with the installation mechanism, and the lower end of the embedded screw rod penetrates through the base plate through the through hole. A lamp holder is arranged at the upper end of one side of the lamp pole through a supporting mechanism, a lighting lamp is arranged at the end, away from the lamp pole, of the lamp holder, an upper traction plate is arranged at the top of the lamp holder, the bottom of the upper end of the upper traction plate is fixed to the top of the lamp pole through a connecting mechanism, a solar cell panel is arranged at the top of the upper traction plate, and a control box is arranged at the top of the supporting mechanism. By arranging a series of structures, the supporting strength and the wind resistance stability of the lamp holder structure are improved through the lamp holder supporting and bearing installation, the bearing support of the triangular structure below the lamp holder and the traction support of the triangular structure above the lamp holder, and the firmness and the wind resistance of lamp post installation are improved through the embedded screws.

This utility model discloses a plug-in type solar-powered multifunctional courtyard light pole, including a light pole body and a lighting fixture. The light pole body has mounting positions arranged in a circular array around its perimeter, and solar panels are plugged into these positions via a plug-in structure to accommodate multi-faceted lighting at different times of day. The lighting fixture is mounted on top of the light pole body via a connecting flange, providing nighttime illumination. This utility model concentrates solar panels onto the light pole in a plug-in manner, adapting to multi-faceted lighting at different times of day, enhancing photoelectric conversion efficiency, and is suitable for urban secondary roads, park trails, residential areas, campuses, etc.

According to an embodiment of the present application, provided is a method for controlling a plurality of street lights through a first control operation based on the travel speed of a moving object and a second control operation based on traffic volume. The first control operation in the method comprises: a step in which a first street light detects at least one moving object that approaches within a predetermined detection range and the travel speed of the moving object; a step in which a lighting area size and a lighting duration in the travel direction of the moving object are determined from the first street light according to the detected speed of the moving object; a step in which a lighting activation signal is transmitted to one or more second street lights, successively arranged spaced apart from the first street light in the travel direction, according to the determined size of the lighting area; and a step in which the second street light is lit by controlling the brightness of the second street lights and the lighting duration on the basis of the lighting activation signal. The second control operation in the method comprises: a step in which the first street light detects the number of moving objects traveling in a predetermined travel section on the basis of a wireless communication connection; a step in which the current traffic volume of the travel section is determined according to the number of moving objects; and a step in which, when the current traffic volume is equal to or greater than a predetermined reference value, the first control operation is stopped for a plurality of third street lights in the travel section including the first street light, and the third street lights are kept lit at a constant brightness.

The utility model provides a solar street lamp with an adjustable irradiation angle, which comprises a street lamp frame assembly, and the street lamp frame assembly comprises a lamp post, a lifting rack and a solar panel. An angle adjusting wheel rotates to drive an angle adjusting belt to rotate forwards and backwards, then an angle adjusting rotating shaft is driven to rotate in a rotating groove, the effect of driving angle adjustment of the street lamp body is achieved, a lifting gear is made to complete lifting adjustment along a lifting rack to assist angle adjustment of the street lamp body, and therefore the effect of adjusting the irradiation angle can be achieved; the street lamp frame assembly and the street lamp base assembly are additionally arranged, the outer side of a lifting base is shielded by an organ cover and ascends and retracts along with a lantern ring, the outer end of an angle adjusting wheel is covered by a housing, an angle adjusting belt is guided and conveyed through a sealing ring, and therefore the service life of parts can be prolonged.

The utility model discloses a dual-system controlled photovoltaic illuminating lamp which comprises an outer frame, a solar cell panel is arranged in the outer frame, a metal plate bottom shell is arranged at the bottom of the solar cell panel, the metal plate bottom shell is fixedly connected with the outer frame, one side of the metal plate bottom shell is provided with a battery bin, and the other side of the metal plate bottom shell is fixedly connected with the outer frame. A battery is arranged in the battery bin, a lamp panel is arranged on the side, away from the battery bin, of the metal plate bottom shell, and LED lamp beads are arranged on the two sides of the lamp panel at equal intervals. The utility model relates to the technical field of photovoltaic illuminating lamps, and solves the technical problems in the prior art that most of solar street lamps adopt single-system illumination control, the damage of a single-system illumination circuit in long-time use can cause the street lamps not to work normally, inconvenience is brought to night illumination, the night illumination range is reduced, and the service life of the street lamps is prolonged. The danger coefficient of night travel is increased, the maintenance frequency and cost of the street lamp are high, and the stability and the service life of the solar street lamp are affected.

The utility model discloses a kind of garden LED landscape lamps with waterproof and moisture-removing structure, comprising: landscape lamp holder, waterproof top cover is fixedly arranged at one end of landscape lamp holder upper side, lamp holder sealing ring is embedded between landscape lamp holder and waterproof top cover, transparent acrylic plate is fixedly arranged at one end of waterproof top cover upper side;In the utility model, lamp holder sealing ring arranged between landscape lamp holder and waterproof top cover can play better sealing effect, lampshade sealing ring is embedded on the connecting ring in top cover, and solar photovoltaic panel is located below lampshade sealing ring after being adhered, and transparent acrylic plate is adhered on the outside of lampshade sealing ring upper side, and fixed screw is fixedly installed in inner ring through hole, sealing ring through hole two and photovoltaic panel through hole, first, lampshade sealing ring can play better sealing effect, and through transparent acrylic plate, sealing effect can be further improved, and also play better protection effect without affecting solar photovoltaic panel lighting effect.

In an embodiment an optoelectronic component includes an active layer sequence configured to emit electromagnetic radiation of a primary wavelength and a ceramic converter element arranged in a beam path of the active layer sequence and configured to convert the primary wavelength at least partly into a secondary wavelength, wherein the ceramic converter element includes a quantum efficiency of at least 90%, a phosphor and a metal oxide powder, wherein the phosphor includes a doped garnet, wherein the ceramic converter element includes Ce and / or Gd doped Y3Al5O12 embedded in a matrix chosen from undoped Y3Al5O12 or undoped Y3Al5O12 and Al2O3, or Ce and / or Gd doped Lu3Al5O12 embedded in a matrix chosen from undoped Lu3Al5O12 or undoped Lu3Al5O12 and Al2O3, and wherein the phosphor and the metal oxide powder are free of second phases.

The present application belongs to the technical field of luminescent materials, and relates to a cerium metal-organic framework for white light emission and a preparation method and application thereof, to solve the problems that traditional white light LED needs to utilize multiple metal composites or multiple matrix composites and be sintered at high temperature to obtain multi-color fluorescent powder, and needs to be matched with corresponding LED chips to emit white light, and the corresponding preparation conditions are complex and the cost is high. 4,4'-(1H-pyrazole-1,3-diyl)dibenzoic acid is added into N,N-dimethylformamide; cerium salt is added into water; then the above two solutions are mixed and nitric acid is added, and hydrothermal reaction is carried out to obtain the cerium metal-organic framework material for white light emission. The preparation method disclosed by the present application is simple and has a high yield (>=82%). The prepared cerium metal-organic framework material can realize full-spectrum white light emission of a single matrix and a single metal ion, and the luminescent color coordinate value is close to the white light emission region (0.33, 0.33).

The utility model discloses a lamp arm type metal plate solar street lamp which comprises a lamp post, a lamp body and a solar module, the solar module is fixed to the top of the lamp post, and the lamp body is fixed to the lamp post through a lamp arm fixedly connected with the lamp body and located at the bottom of the solar module. The lamp body comprises a lamp shell, a lamp cover and a light-emitting module arranged in the lamp shell, the lamp arm, the lamp shell and the lamp cover are all made by adopting a sheet metal process, the rear end of the lamp shell is provided with a mounting hole for the front end part of the lamp arm to enter, the lamp shell is internally provided with a locking mechanism fixed with the lamp shell, and the locking mechanism is connected with the lamp body. The locking mechanism locks the front end portion of the lamp arm, and the lamp cover completely covers and seals the lamp shell. According to the lamp arm type metal plate solar street lamp, the lamp arm and the lamp shell are manufactured through the metal plate technology, the light-emitting module is supported through the lamp shell of a light structure, materials used for the lamp body and the lamp arm can be greatly reduced, and then the total weight of the street lamp is reduced.

The utility model relates to the technical field of solid mercury core columns, and discloses an energy-saving lamp solid mercury core column with a groove, which comprises a connecting block, the top surface of the connecting block is in threaded connection with an inserting bolt, the surface of the inserting bolt is in threaded connection with a top plate, a circular groove is arranged in the middle of the top surface of the top plate, and a conducting rod is arranged in the circular groove. Stabilizing rings are fixedly installed on the outer surface of the conducting rod at equal intervals, mercury core columns are fixedly installed on the top face of the connecting block, a clamping groove is formed in the outer surface of the connecting block in a clamped mode, a mounting groove is formed in the bottom of the connecting block, an electronic element is arranged in the mounting groove, a maintenance plate is fixedly installed at the bottom of the electronic element, and a conducting block is fixedly connected to the bottom of the maintenance plate. According to the energy-saving lamp solid mercury core column with the groove, through mutual cooperative use of the top plate, the conducting rod and the stabilizing ring, the conducting rod and the stabilizing ring reinforce the mercury core column in the process of using the mercury core column by a person, and therefore the stability of the mercury core column is improved.

The application discloses a novel solar street lamp battery assembly packaging device, which comprises a supporting frame, a hot plate, a roller rotating mechanism and a second rotating shaft, the roller rotating mechanism comprises a first rotating shaft, a chuck and a crank handle, the roller rotating mechanism is arranged on the right side of the hot plate, and the first rotating shaft is arranged on the roller rotating mechanism. A novel street lamp battery assembly packaging device is designed, the packaging device is simple in structure, can stably adhere the battery assembly on the street lamp roller, solves the packaging blank of the novel cylindrical battery assembly street lamp in the prior art, is favorable for the rapid production and processing of the novel street lamp, the whole device is provided with a damping assembly, winding film is arranged after the battery assembly is adhered, the stability of the battery assembly is ensured during the packaging process, the battery assembly is fixed by the winding film during the initial adhering process, and therefore, the packaging effect of the battery assembly is ensured, so that the battery assembly is stably and uniformly packaged on the street lamp roller.

The present application relates to a kind of urban expressway tunnel adaptive light reduction shed, the light reduction shed is set in the tunnel portal area and is divided into approach section, drive-in section, middle section and end section, the light reduction shed includes support structure, adaptive light reduction system, light reduction shed entrance transition system and visual guidance system, the support structure includes arc-shaped arch beam, longitudinal beam, load-bearing column, guardrail, cross bar and vertical rod;The guardrail is set on both sides of the tunnel, the upper portion of the guardrail is provided with cross bar, the vertical rod is evenly spaced between the guardrail and cross bar, the load-bearing column is set on both sides of the tunnel and is located on the cross bar, and the load-bearing column is evenly spaced along the tunnel and is provided with multiple ones.The light reduction shed can adjust the light environment inside the light reduction shed according to the external light condition, and adaptive adjustment is realized.The strip-shaped hollow hole at the top of the light reduction shed can form a transverse strip-shaped light shadow on the ground, combined with the inclined linear profile mark inside the guardrail on both sides, the speed and slope sense of the driver can be improved.

The utility model relates to a solar street lamp which comprises a street lamp body (10), a solar panel unit (20) and a storage battery assembly (30), the solar panel unit (20) is arranged at the top of the street lamp body (10), and the solar panel unit (20) is electrically connected with the storage battery assembly (30). The street lamp body (10) comprises a lamp pole (11), a mounting arm (12) and a lamp cap (13), and the mounting arm (12) extends along the periphery of the top of the lamp pole (11). The solar panel unit (20) comprises a plurality of solar panels (40), the plurality of solar panels (40) are detachably arranged on the mounting arm (12), and each solar panel (40) is electrically connected with the storage battery assembly (30). The lamp holder (13) is arranged on the side portion of the upper end of the lamp pole (11), the lamp holder (13) is located below the installation arm (12), and the lamp holder (13) is electrically connected with the storage battery assembly (30).

The invention discloses an excimer lamp voltage closed-loop control method, device and equipment and a storage medium. The core comprises a current peak detection unit, a peak voltage observer and a closed-loop control unit. Wherein the current peak value detection unit is used for acquiring a current peak value flowing through the excimer lamp in a working period; the peak voltage observer estimates the peak voltage of the excimer lamp in the period in real time to realize accurate observation of the voltage state; and the closed-loop control unit realizes indifference tracking control of the given peak voltage and the estimated peak voltage through a control algorithm according to the given peak voltage and the estimated peak voltage of the excimer lamp, and dynamically adjusts output. The closed-loop control method can effectively restrain interference of parameter changes such as external environment temperature and load fluctuation on peak voltage of the excimer lamp, discharge efficiency reduction caused by voltage deviation is avoided, it is ensured that the excimer lamp is always stably in a high-efficiency discharge state in the full work period, and equipment operation reliability and energy utilization efficiency are improved.

The invention discloses a preparation method and application of high-fluorescence quantum yield perovskite fluorescent powder based on amino acid, and belongs to the technical field of luminescent materials and display, the preparation method is used for preparing the perovskite fluorescent powder, and the preparation method comprises the following steps: dissolving potassium bromide in deionized water, then adding lead bromide, and carrying out ultrasonic dissolution to obtain a first solution; dissolving cesium bromide in another deionized water to obtain a second solution; mixing the first solution and the second solution, and standing to obtain a mixed solution; dropwise adding the mixed solution into absolute ethyl alcohol, and stirring to obtain a precursor solution; adding amino acid into the precursor solution, and stirring to obtain a precursor reaction suspension; and centrifuging the suspension, collecting the precipitate, centrifugally washing the precipitate with absolute ethyl alcohol, and drying the washed precipitate to obtain the perovskite fluorescent powder. The invention provides a green synthesis method of a water-ethanol system, which is combined with an amino acid synergistic passivation effect to realize low-cost preparation and improvement of luminous efficiency.

The utility model relates to the technical field of solar LED lamp equipment, in particular to a solar outdoor candle lamp. Comprising a base and an auxiliary mechanism, the auxiliary mechanism comprises a mounting table, an integrated control circuit board, an operation switch, a solar wafer, a battery pack, a transparent protective cover, a limiting ring, an adjusting device and a light emitting device, the device is placed outdoors in the daytime, sunlight irradiates on the solar wafer, and the solar wafer absorbs solar energy; the integrated control circuit board converts solar energy into electric energy, the battery pack stores and releases the electric energy, the light-emitting device emits light under the action of the electric energy to achieve illumination when used at night, the transparent protective cover serves as the appearance modeling of the lamp and can be arranged into different sizes and shapes according to needs, and further the using height of the lamp can be adjusted through the adjusting device. Therefore, the problems that an existing outdoor lamp is high in cost due to the fact that electric energy of a power grid is utilized, energy waste is easily caused, the appearance of a lamp body is single, and the modern diversity requirement cannot be met can be solved.

The application discloses a kind of Mn 4+ Activated fluorine (oxygen) oxide red fluorescent material and its preparation method;The application uses organic-inorganic hybrid fluoride manganese salt material as Mn 4+ Source preparation Mn 4+ Activated fluorine (oxygen) oxide red fluorescent material.The application uses organic-inorganic hybrid fluoride manganese salt material instead of all-inorganic fluoride manganese salt, manganese salt and permanganate as Mn 4+ Source, for preparing Mn 4+ Activated fluorine (oxygen) oxide red fluorescent material, significantly improve the luminescent efficiency of Mn 4+ Activated fluorine (oxygen) oxide red fluorescent material.

The invention discloses a self-adaptive power street lamp adjusting system based on wind-solar complementation, and relates to the technical field of intelligent electric lighting, and the system comprises a wind-solar complementation power supply module which generates power through photovoltaic power and wind power and predicts output; the SOH online monitoring module is used for collecting data of the storage battery and evaluating the health state; the dynamic balance control module adjusts charging and discharging according to wind and light output and the state of the storage battery; the energy storage module receives electric energy and charges and discharges according to instructions; the self-adaptive lighting module adjusts the power of the street lamp according to the environment to realize intelligent lighting; by constructing a system integrating wind-solar complementary power supply, SOH online monitoring, dynamic balance control and a self-adaptive lighting module, efficient utilization of clean energy and intelligent management of street lamps are achieved, the system guarantees energy through wind-solar complementary power generation, the state of a storage battery is accurately evaluated, charging, discharging and lighting power are dynamically adjusted, and the system is suitable for large-scale popularization and application. The energy utilization efficiency and the system stability are improved, the maintenance cost is reduced, the system safety is enhanced, and the service life of the system is prolonged.

The utility model discloses an outdoor bulb lamp which comprises a lamp holder, the lamp holder is fixedly connected with a light-transmitting lampshade, an installation plate is fixedly installed on the lamp holder and right faces the light-transmitting lampshade, an LED lamp panel is fixedly installed on the installation plate and right faces the light-transmitting lampshade, and a plurality of LED lamp beads are fixedly installed on the LED lamp panel. A battery assembly and a circuit board are fixedly installed in the lamp holder, a switch is installed on the lamp holder, and the circuit board is electrically connected with the battery assembly, the LED lamp panel and the switch. A lifting handle is rotationally installed on the outer side of the lamp holder, limiting plates are upwards and fixedly installed on the two sides of the lifting handle, a limiting area is formed between the two limiting plates, the two limiting plates are rotationally connected with a hook, and the hook can rotate into the limiting area. The outdoor bulb lamp has the advantages of being capable of containing the hook, simple in structure and convenient to use.

The utility model relates to a lamp, and provides a novel solar decorative lamp holder which comprises a lamp holder body, a circuit board, a positive plate, a negative plate, a solar photovoltaic module, a storage battery and a switch, the lamp holder body comprises a holder body, the solar photovoltaic module is arranged on the upper surface of the holder body, and a containing cavity is formed in the holder body. The circuit board, the positive plate, the negative plate, the switch and the storage battery are assembled and then installed in a containing cavity of the base body, the switch partially penetrates out of the surface of the base body, the solar photovoltaic assembly is electrically connected with the storage battery to charge the storage battery, the storage battery supplies power to the circuit board, the decoration parts are provided with light-emitting sources respectively, and the light-emitting sources are arranged on the decoration parts. The upper surface of the base body is provided with installation holes which extend into the containing cavity of the base body and are matched with the decoration parts in number, and the ends, inserted into the installation holes, of the decoration parts provided with the light-emitting sources are electrically connected with the circuit board through detachable electric connection devices respectively. The problems that an existing lamp is single in structure and poor in decoration effect are solved.

The invention discloses a Mn < 4 + >-doped rubidium lithium fluorogallate monocrystal red-light-emitting material as well as a preparation method and application thereof. The Mn < 4 + >-doped rubidium lithium fluorogallate single-crystal red-light-emitting material is a single-crystal material, and the crystal grain size is 0.01-2 mm. The chemical formula of the material is Rb2LiGaF6: xMn < 4 + >, wherein x is equal to 0.5-9%. A fluoride single-crystal red light material is prepared by adopting a saturated solution crystallization method, and the Mn < 4 + > doped rubidium lithium fluorogallate single-crystal red light material, a yellow light emitting material or a green light emitting material and a blue light InGaN chip are combined and packaged to obtain a white light LED device. The Mn < 4 + >-doped rubidium lithium fluorogallate monocrystal red light material prepared by the invention can be efficiently activated by purple light and blue light, the strongest excitation wavelength is 467 nm, red fluorescence with high brightness and high color purity is emitted, the color purity is 99.9%, the strongest emission wavelength is 627 nm, the full width at half maximum is 11.3 nm, the color coordinate x is greater than 0.7, and the fluorescence lifetime is 3.44 ms. The fluorescent material can be used for a wide-color-gamut display device, reaches 109.7% NTSC, and is superior to a commercial K2SiF6: Mn < 4 + > packaged device.

The utility model relates to the field of lamps, in particular to an LED lamp with a liftable light source, which comprises a support rod, a protective shell, a reel, a fixing piece, a pull rope, an outdoor lamp body, a fixing piece and the like. A protective shell is arranged at the top of the supporting rod, a reel is rotationally arranged in the supporting rod, a pull rope is wound in the reel, a plurality of fixing pieces are installed in the supporting rod, the pull rope penetrates through the fixing pieces in a sliding mode, an outdoor lamp body is arranged on the outer side of the supporting rod in a sliding mode, and the pull rope is connected with the outdoor lamp body from the top of the supporting rod. When the outdoor lamp body needs to move downwards from the top, the manual rocker is shaken, the manual rocker drives the volute spiral spring to rotate, the volute spiral spring drives the reel to rotate, the pull rope on the reel is loosened, the outdoor lamp body moves downwards along the supporting rod under the action of the gravity of the outdoor lamp body, and when the outdoor lamp body needs to move upwards, the manual rocker is reversely shaken. And the lifting effect is achieved.

The present invention discloses a red light NaGd2Ga2InTi2O 3+ :Sm 3+ phosphor and its preparation method. A red light NaGd2Ga2InTi2O 12 :Sm 3+ phosphor, whose chemical composition expression formula is: NaGd 2(1‑x) Ga2InTi2O 12 :2xSm 3+ , where: 0 < x ≤ 0.10. The present invention provides a red light NaGd2Ga2InTi2O 12 :Sm 3+ phosphor and its preparation method. This red light NaGd2Ga2InTi2O 12 :Sm 3+ phosphor can be efficiently excited by 400 - 410 nm near-ultraviolet light and 455 - 475 nm blue light, emits red light with the strongest main peak at 616 nm, and at the same time is accompanied by multi-peak narrow-band luminescence in the orange to deep red light region of 565 - 660 nm. The color coordinates are located at (0.59, 0.41), and the fluorescence lifetime is on the order of 1 millisecond.

The utility model discloses an outdoor solar lamp handicraft, which relates to the technical field of outdoor solar lamps and comprises a hanging basket, a bulb, a solar lamp holder and a lifting hook component, the solar lamp holder is mounted on the hanging basket, the bulb is arranged below the solar lamp holder and positioned in the hanging basket, and the lifting hook component is mounted on the solar lamp holder. A supporting column is held, a pressing block is pressed into the supporting column, the pressing block moves inwards and drives a spring to deform, the pressing block pushes a third connecting rod to the left side, a second connecting rod pulls a first connecting rod to swing rightwards under the action of a second rotating shaft, the first rotating shaft is driven to rotate, and a blocking rod swings leftwards; when the solar lamp is disassembled, the stop lever rotates into the hook part, sealing of the hook part is cancelled, the hook part can be separated from the hanging area and taken down, in the process, the stop lever can be pressed inwards by holding the supporting column during disassembly, the solar lamp can be disassembled conveniently and rapidly, maintenance and assembly work are greatly facilitated, and practicability is improved.

The invention relates to the technical field of luminescent material preparation, and discloses a rare earth ion activated non-ferrous metal-based fluorescent material and a preparation method thereof, the preparation method comprises the following steps: S1, preparing Eu < 3 + > doped Ga < 1.5 > YAl < 1.5 > B4O12 luminescent particles; s2, depositing a compact and defect-free SiO2 compact layer on the surface of the light-emitting particle through an ALD deposition technology, and then forming a SiO2 concave-convex layer on the outer side of the SiO2 compact layer; s3, soaking the luminous particles coated with SiO2 into a KH550 solution, and modifying SiO2 on the surface layer to obtain aminated luminous particles; s4, carboxylating the fiber particles; and S5, mixing the treated carboxylated fiber particles with the aminated luminous particles, and reacting at 60-70 DEG C for 3-5 hours, so that the carboxylated fiber particles and the aminated luminous particles are chemically combined to obtain the composite material. Efficient and stable compounding of the fiber particles and the light-emitting particles is achieved through mechanical interlocking and chemical bonding, and meanwhile the bonding performance of the light-emitting material and organic fibers is improved by means of the similar material characteristics of the fiber particles and the spinning fibers.