70 results about "Light damage" patented technology

The invention discloses a pupil adaptive red light regulation and control method and system based on EC film and light source collaboration, and the method comprises the steps: obtaining a visible light image of the eyes of a user through an image collection module, and extracting a real-time pupil state parameter through an image processing module; meanwhile, the ambient light sensing module obtains ambient light intensity data. The cooperative control unit receives the parameters and generates a luminous flux control instruction set containing a first control instruction and a second control instruction based on a safety evaluation model. The first control instruction drives the electrochromic film assembly to change the light transmittance of the red light, and the second control instruction adjusts the luminous intensity of the red light source. Through cooperative control of optical attenuation of the electrochromic film and luminous intensity of the light source, the luminous flux entering the retina can be accurately regulated and controlled in real time according to dynamic changes of pupils, the problem of potential retina light damage risk caused by using a light source with fixed intensity is effectively solved, and the safety of red light irradiation application is remarkably improved.

The invention relates to the technical field of facility agriculture and environment control, and discloses an intelligent illumination control system for greenhouse plant growth. In order to solve the problems that an existing light supplementing strategy lacks physiological feedback, light damage is easily caused, and shutdown is caused by sensor faults, the system comprises a multi-mode sensing assembly, a central processing unit and a dynamic spectrum execution assembly. The system collects crop non-photochemical quenching coefficients (NPQ) and environmental factors in real time, and dynamically calculates light saturation points by using a multi-factor coupling model; when the NPQ exceeds a threshold value, the spectrum ratio is automatically adjusted to inhibit light stress; three-dimensional canopy scanning is combined to realize gridding differentiation light supplement; when the sensor fails, virtual parameters are reconstructed based on the temperature trend to maintain fault-tolerant operation; in addition, the system estimates stomatal conductance according to air humidity and matrix conductivity, and dynamically corrects target light intensity to avoid aggravation of water deficit; accurate light supply according to needs is achieved, the photosynthetic efficiency and the system reliability are remarkably improved, and the system is suitable for plant factories and multi-span greenhouses.

The present application relates to a kind of long stem ilex ginseng new use in skin care product and active composition and skin care product, product is emulsion, cream, water agent, spray, gel and other skin care products, the components of emulsion include: active composition, humectant, emollient, emulsifier, thickening agent and deionized water, the mass percentage content of active composition in skin care product is 0.005%-0.1%, active composition includes long stem ilex ginseng and wujin ginseng, the mass ratio of long stem ilex ginseng and wujin ginseng is 5:1-1:1, long stem ilex ginseng has at least one of the following effects: (1) UVB light damage pre-protection to skin;(2) after UVB light damage repair to skin;(3) up-regulate the trichohyalin gene expression in skin cell.The long stem ilex ginseng of the present application has the effects of UVB light damage pre-protection to skin, after UVB light damage repair to skin and up-regulating the trichohyalin gene expression in skin cell to repair skin barrier.

The application discloses a kind of multi-photon fiber array endoscopic imaging device and method based on hollow spiral scanning, belong to biological imaging technical field.The device includes laser collimation and beam expansion module, pulse chirp module, beam switching module, endoscopic detection module and fluorescence acquisition module.The beam switching module contains optical switch and at least two low group velocity dispersion single-mode fiber array;Endoscopic detection module drives fiber array to perform hollow spiral scanning by resonant driver, its track starting point is not located at the origin of field of view, to avoid central dense sampling.The method switches fiber by optical switch, so that each fiber performs spatial non-overlapping hollow spiral scanning, collects multi-photon signals such as fluorescence, second harmonic and fluorescence lifetime, and completes the central cavity by image reconstruction and fusion, to obtain complete field of view imaging result.The application significantly reduces the central region light damage, improves the uniformity of imaging resolution, and the fused image is based on physical sampling to ensure authenticity and reliability, with high system stability.

The utility model relates to the technical field of photoelectric sensors, in particular to a groove type photoelectric sensor with a collision monitoring function, which comprises a shell, and a circuit board is arranged in an inner cavity of the shell. An accelerometer sensor used for monitoring the motion state of the linear module in real time, a microprocessor used for receiving signals of the accelerometer sensor and processing and analyzing the signals and an alarm used for sending out alarm signals are integrated on the circuit board, and a pair of transmitting and receiving diodes used for detection is arranged on the circuit board. According to the utility model, the accelerometer sensor, the microprocessor and the alarm are integrated in the groove-type photoelectric sensor, so that the microprocessor can process and analyze monitoring signals of the accelerometer sensor, and when the analyzed signals reach a threshold value, the microprocessor can permanently store acceleration values and give an alarm through the alarm; the problem that early-stage light damage of the linear module is not easy to find is avoided, it can be guaranteed that maintenance personnel conduct maintenance in time through alarm information, and the service life of the linear module is greatly prolonged.

The utility model relates to the technical field of preserving fluid bottles, in particular to a preserving fluid bottle for islet cells, which comprises a bottle body, a bottle cap is screwed at the top end of the bottle body, a plug is integrally formed on the surface of the bottle cap, a rubber cover is fixed inside the plug, an elastic band ring is fixed at one end of the rubber cover, and after the rubber cover is turned outwards and sleeved on the outer side of the bottle body, the elastic band ring is fixed at the other end of the rubber cover. The elastic band ring is positioned below the bottle body; the preserving fluid bottle for the islet cells has the advantages that due to the design of the rubber cover, the rubber cover can be contained between the chock plug and the baffle when the preserving fluid bottle is not used, the rubber cover can be turned outwards to be arranged on the outer side of the bottle body in a sleeving mode, the shading effect is achieved, and the islet cells are protected against light damage. After the rubber cover is turned outwards and arranged on the outer side of the bottle body in a sleeving mode, the anti-collision capacity of the bottle body can be improved, and the bottle body is prevented from being damaged due to collision in the transportation or storage process. Due to the design of the elastic band ring, the rubber cover can be firmly fixed to the bottle body and is not prone to falling off, and meanwhile a user can conveniently take down or sleeve the rubber cover at any time according to needs.

The utility model discloses a can replace fish float of tail light, including middle shell, the inner bottom wall fixedly connected with the lamp stand of middle shell, the inner wall fixedly connected with button cell of lamp stand, the top fixedly connected with the light source of lamp stand, the inner bottom wall fixedly connected with the cylindrical seat of middle shell, the inner wall fixedly connected with first magnet piece of cylindrical seat, the outer surface fixedly connected with the clamping point of cylindrical seat, the inner top wall fixedly connected with second magnet piece of lamp stand, the inner wall of lamp stand is seted up and has the lock catch groove, this can replace fish float of tail light, when replacing whole lamp stand, rotates the lamp stand, rotates along the lock catch groove, rotates the clamping point to the lock catch groove export place, then lifts the lamp stand and makes first magnet piece and second magnet piece separate, can take down whole lamp stand to when tail light appears damage, and fisherman does not need to replace whole fish float, only needs to replace tail light damage part, avoids causing resource waste, reduces use cost.

The application belongs to the field of photodynamic therapy, and specifically discloses a vitamin K co-crystal material for photodynamic therapy and a preparation method thereof. The vitamin K co-crystal material takes vitamin K as an electron acceptor, and the two carbonyl groups at the para positions of the vitamin K quinoid six-membered ring make the vitamin K exhibit electron deficiency, form an organic charge transfer complex with the electron acceptor, and self-assemble to form a co-crystal, so that the absorption spectrum of the system is widened, a wider wave band of light is more effectively utilized, the photodynamic therapy response wavelength of the vitamin K is adjusted from the ultraviolet region to the visible region and the near infrared region, the problem of low penetration depth and light damage caused by photodynamic therapy using light in the ultraviolet region is avoided, and the vitamin K has excellent photodynamic performance and good application prospects in surface sterilization and disinfection, treatment of body surface infection, and directional cancer treatment based on visible light or near infrared light.

The invention discloses a haematococcus culture method based on a flexible LED array and a photobioreactor, and relates to the field of bioengineering, and the method comprises the following steps: preparing an SE culture medium according to the growth requirements of haematococcus; pumping the SE culture medium into the sterilized and cooled photobioreactor to a working volume through a sterile pipeline; the photobioreactor is started, sterile air with set flow is introduced, and mild stirring is carried out. According to the invention, the flexible LED array is adopted to surround the transparent reaction inner cavity, so that three-dimensional light distribution is realized, illumination dead angles are eliminated, and the light receiving uniformity of cells is greatly improved; an OD680-target light intensity linear curve is fitted through a pre-experiment, a reactor controller and an LED driving module are combined, light intensity automatic linear adjustment is achieved, light damage is avoided, and the photosynthetic efficiency is greatly improved compared with a traditional rigid LED. The photobioreactor realizes integrated control of illumination and ventilation, reduces manual operation, reduces pollution risk, is stable in product content among batches, and meets the requirements of industrial large-scale production.

The invention belongs to the technical field of photosensitive materials, and particularly relates to an aggregation-induced emission type photosensitizer as well as a preparation method and application thereof. The aggregation-induced emission type photosensitizer provided by the invention has a structure as shown in any one of formulas I-III. The aggregation-induced emission (AIE) photosensitizer has large Stokes shift, can emit light in a near infrared region I (NIR-I), and is beneficial to penetrating deep biological tissues and reducing light damage to the biological tissues; meanwhile, the AIE type photosensitizer has relatively strong I type active oxygen generation capability, and is expected to be used as a photosensitizer for photodynamic therapy. Formula I, Formula II and Formula III.

The application discloses a retinal light damage box experimental device for observing mouse visual dynamic response, which comprises a reflecting box body, a box cover hinged to one side of the top end of the reflecting box body, the box cover being matched with the reflecting box body, a light irradiation assembly fixedly connected to one side of the box cover close to the inside of the reflecting box body, the inner wall of the reflecting box body being used for reflecting the light emitted by the light irradiation assembly, the light irradiation assembly being electrically connected with a control system, a frequency adjusting assembly fixedly connected to the middle of the bottom end of the reflecting box body, the frequency adjusting assembly being covered on a placing table, the frequency adjusting assembly being correspondingly arranged on the inner wall of the reflecting box body, and a placing assembly fixedly connected to the middle of the top end of the placing table, the experimental mouse being placed in the placing assembly, the light irradiation assembly and the frequency adjusting assembly being correspondingly arranged on the placing assembly. The application realizes dynamic observation of the light damage condition of the experimental animal, avoids repeated experiments, shortens the experimental period and improves the experimental efficiency.

The invention relates to a silicon photodiode wide-spectrum strong light damage real-time detection device, and belongs to the field of optical detector performance detection. The device comprises a wide-spectrum strong light measurement performance detection part and a wide-spectrum strong light tolerance performance detection part, the wide-spectrum strong light measurement performance detection part is mainly used for real-time detection of the wide-spectrum strong light measurement performance of the silicon photodiode, and the wide-spectrum strong light tolerance performance detection part is mainly used for real-time detection of the wide-spectrum strong light tolerance performance of the silicon photodiode. The two parts take respective detected silicon photodiodes as wide-spectrum strong light detectors, and acquire real-time output current of the respective detected silicon photodiodes through respective operational amplifiers, shunt resistors, anti-phase input end resistors and bridging resistors; and thus, the real-time wide-spectrum strong light measurement performance and the wide-spectrum strong light tolerance performance of the silicon photodiode can be obtained. The device has the characteristics of high timeliness for detecting the limit performance of the silicon photodiode, simplicity, intuition, convenience in use and high reliability.

This utility model discloses a luminescent fishing rod section, comprising a section body, a light source device, and an optical fiber body. The section body includes an opaque section and a transparent section, and has a cavity. The light source device is disposed in the cavity and has a light-emitting part. The optical fiber body includes a smooth section and a rough section integrally formed and connected. By placing the light source device in the cavity, the light emitted by the light-emitting part is emitted from left to right in the cavity. With the left end of the smooth section close to the light-emitting part and the rough section located inside the transparent section, the optical fiber guides the light emitted by the light-emitting part to the rough section. The roughness scatters the light through the transparent section, allowing anglers to observe fish bites based on the light scattered by the rough section. This design, which eliminates the need for a glow stick, significantly improves the rod's ability to indicate fish bites and avoids damage to the delicate rod tip. Furthermore, the smooth section is less likely to scatter the light emitted by the light-emitting part, reducing light damage and resulting in a better luminescent effect on the fishing rod.

The invention provides a light response type curcumin antibacterial preservative film and a preparation method and application thereof, the preservative film is of a double-layer composite structure, an inner layer is a light response antibacterial layer which takes polyethyleneimine modified sodium alginate as a base material, is covalently grafted with curcumin through an amido bond and is uniformly dispersed with graphite-like phase carbon nitride (g-C3N4); and the outer layer is a protective barrier layer which takes polyhydroxyalkanoate as a base material and is loaded with nano SiO2 and VE / hydroxypropyl-beta-cyclodextrin inclusion compound. The preparation of the antibacterial film can solve the problem that curcumin is easy to migrate and lose, the efficient antibacterial effect is realized by utilizing the light synergistic effect of g-C3N4 and curcumin, and meanwhile, the outer layer film effectively prevents the damage of illumination to fruits and vegetables while ensuring the light triggering efficiency of the inner layer by scattering strong light and scavenging free radicals. The film has long-acting antibacterial, antioxidant and physical barrier functions, and is suitable for high-quality preservation of foods such as fruits, vegetables and the like.

The invention provides a dazzle light removing method. The method comprises the steps that a night light emitting model containing a dominant light source and a non-dominant light source is established through radiation transmission analysis; the method comprises the following steps: acquiring HDR night scene dazzle light damaged image data, and preprocessing and normalizing the data to obtain standardized data; aiming at input data, an unsupervised exposure guide label generation method is adopted, and a dazzle light area around a dominant light source and a non-dominant light source is positioned based on modulus imaging constraint; introducing a Uform network guided by an exposure label, combining with an exposure guide mask attention mechanism, and jointly optimizing a dazzle light and background decomposition and reconstruction process through exposure guide loss; based on a pseudo-label guided light source recovery method, decoupling a dominant overlapped light source under the constraint of exposure and connectivity, and retaining a non-dominant light source; and fusing the non-glare background reconstruction result and the light source reconstruction result to obtain output image data which is free of glare and contains an ideal light source. The method has the advantages of breaking through light source and dazzle light marking dependence, improving the reconstruction precision of the overlapped light source and the weak light source, enhancing the supervised learning ability and effectively removing night dazzle light artifacts.

The invention provides a cosmetic composition for broad-spectrum UV protection and beautifying light-reversal light damage repair and application of the cosmetic composition, and belongs to the technical field of cosmetics. The cosmetic composition comprises a photoactivating enzyme repair factor, a hedychium coronarium root extract and a white water lily flower extract, and the composition also comprises a QUERCARE royalin. The light activating enzyme repair factor, the hedychium coronarium root extract and the white water lily flower extract are compounded, so that light injury recovery is accelerated, the efficiency of a sunscreen product is improved, after-sun adverse reactions are reduced, the sunscreen composition has soothing and whitening effects, the phogenin not only absorbs ultraviolet rays, but also converts the ultraviolet rays into beautifying light, light for skin injury is converted into light beneficial to skin from the source, and the skin care effect is improved. The anti-inflammatory and soothing effects are achieved, collagen degradation is reduced, DNA damage and mutation are inhibited, cell nucleus aging is reduced, and grease secretion is inhibited. The cosmetic composition disclosed by the invention is suitable for a skin care product with high sunscreen requirement and light aging resistance, and has instant protection and long-term repair functions.

The invention relates to the technical field of medicine, in particular to a recombinant human XVII type collagen / silibinin nanoemulsion and a preparation method and application thereof, and the nanoemulsion is prepared from the following components in percentage by weight: 0.2%-1.5% of recombinant human XVII type collagen, 0.5% of silibinin, 1%-10% of lecithin, 1%-10% of glycerol, 3%-15% of Tween 80, 2%-8% of PEG400 and the balance of pure water. The prepared nano-emulsion is uniform in size and high in stability, irritation is effectively reduced, skin light damage can be remarkably repaired, the synergistic effect of oxidation resistance and barrier repair is achieved, UVB-induced oxidative stress, inflammatory response and skin structure damage are inhibited in multiple ways, and the nano-emulsion has a good prospect in application of skin UVB light damage repair.

According to various embodiments, techniques and mechanisms are provided to improve striped lighting damage detection. In some implementations, a striped lighting tunnel is configured with cameras for capture of object or vehicle surface images when illuminated by striped lighting and when illuminated by uniform panel lighting. The vehicle surface images may be captured from a variety of perspectives. The vehicle surface images can be analyzed to generate vehicle object models or can be analyzed by using these vehicle object models. Damage may be determined using the vehicle surface images to identify the type, likelihood, and extent of damage.

The invention belongs to the technical field of biological materials, and particularly relates to a chloasma skin organ pathological model constructed on the basis of a 3D printing technology and a construction method and application of the chloasma skin organ pathological model. The model has a three-layer bionic structure, has high anatomical reducibility, can realize gradient positioning of melanocytes on a substrate layer, keeps long-term functions of the melanocytes, and breaks through the problem that a traditional model is difficult to maintain functions of the melanocytes; by adopting an endothelial cell co-printing technology and combining with a dynamic perfusion culture method, a microcirculation network with functionality is successfully established, a vascularization structure of chloasma skin is effectively simulated, the physiological simulation of the pathological model is improved, and the accuracy of the pathological model for simulating chloasma diseases is also greatly improved; in addition, the invention also develops a two-factor pathologic induction scheme, accurately simulates a light injury-hormone disorder synergistic pathogenic mechanism of chloasma, and solves the defect that a traditional model cannot fully show a complex pathogenic mechanism.

The invention discloses an azelaic acid oiling agent as well as a preparation method and application thereof. The preparation method of the azelaic acid oiling agent comprises the following steps: S1, mixing oleic acid and triglyceride, introducing mixed gas of ozone and oxygen under a stirring condition, and reacting at 20-30 DEG C for 8-14 hours to obtain an intermediate product; and S2, introducing oxygen into the intermediate product at 70-95 DEG C, and reacting for 6-10 hours to obtain the azelaic acid oiling agent. According to the preparation technology disclosed by the invention, mutual dissolution of azelaic acid and oil is realized, and the prepared azelaic acid oil agent has the effects of relieving inflammation and protecting a pigment barrier, can be used for preventing and repairing acute and chronic light injury, especially plateau light injury, and can be used for relieving inflammation and color sedimentation and promoting fading of inflammation and color sedimentation. The traditional Chinese medicine composition can also be used for treating and preventing acute and chronic dermatitis and eczema skin diseases, and helping to repair and prevent a physical barrier and a pigment barrier of the skin; the product is an oil agent, has moistening and moisturizing effects, is convenient to use, has no obvious irritation and has light side effects.

The present application relates to a kind of light damage repair composition of promoting skin's own resistance and its application, belong to cosmetic technical field.The light damage repair composition of promoting skin's own resistance provided in the present application includes Nannochloropsis oculata extract, buddleja extract, farnesol, each component synergistic effect, can realize the protection of ultraviolet light, blue light, has the effect of anti-photoaging, and can repair skin barrier, alleviate skin inflammation, improve redness, prevent excessive pigmentation, anti-aging tightness, improve skin state and the like function, with the effect of promoting skin's own resistance.

The application discloses a composition for skin repair, a skin conditioner and application, a light damage care agent and a sunscreen agent; the active ingredients of the composition for skin repair include chrysanthemum 0.5-2500 parts by mass, golden mushroom 0.1-500 parts by mass, olive 0.1-500 parts by mass and sophora 0.1-500 parts by mass; the composition can significantly improve the core efficacy activities of skin, such as antioxidation, anti-inflammation and anti-aging, resist the damage of ultraviolet light and the like to the skin, promote the regeneration of collagen and elastin, and realize the all-around anti-skin aging effect covering anti-photoaging; meanwhile, the composition is natural in component source, high in safety and excellent in biocompatibility, has no obvious side effects, has good compatibility and high stability among the active ingredients, and provides a functional active composition which is clear in functional activity, safe and reliable, and wide in adaptability for the field of skin repair.

This invention belongs to the field of orthodontic instrument technology, specifically a periodontal targeted near-infrared light bimaxillary therapy device that protects tooth crowns. It includes a protective brace and a bimaxillary irradiation device. The protective brace includes a maxillary protective brace and a mandibular protective brace, each comprising a lingual plate and a labial plate. The labial plate includes a cervical sleeve and a receiving groove. The bimaxillary irradiation device includes an outer irradiation plate, an inner irradiation plate, and a flexible occlusal plate. Near-infrared laser lamps are installed on the outer and inner irradiation plates. This invention achieves simultaneous irradiation of the labial and lingual periodontal tissues of both jaws, significantly improving orthodontic efficiency. It can simultaneously irradiate the entire periodontal area of ​​both jaws in a single treatment, eliminating the need for separate upper and lower jaw procedures, shortening treatment time, achieving simultaneous activation of all periodontal tissues, and improving tooth movement efficiency. The bimaxillary irradiation device uses precise lamp placement according to the periodontal ligament area, working in conjunction with the protective brace to fully cover the protective crown, synergistically avoiding thermal and light damage.

The invention discloses a display panel and a display device. The display panel provided by the invention comprises a silicon-based driving substrate, a glass substrate, a pixel definition layer, a light emitting unit and a light conversion layer. The glass substrate is in bonding connection with the silicon-based driving substrate, the glass substrate is provided with a conductive through hole penetrating through two opposite side surfaces of the glass substrate, and the conductive through hole is filled with a conductive part; the pixel definition layer protrudes out of the glass substrate and forms an opening area, and the conductive part is exposed through the opening area; the light-emitting units are at least partially arranged in the opening area, each light-emitting unit comprises a first electrode, a light-emitting layer and a second electrode which are stacked, and the first electrode is electrically connected with the conductive part; the light conversion layer is arranged on the side, away from the silicon-based driving substrate, of the glass substrate, the pixel definition layer covers the light conversion layer, the light conversion layer is used for receiving at least part of incident light beams, the incident light beams comprise invisible light, and the light conversion layer is used for converting the invisible light into visible light to be emitted. The risk that invisible light damages the display panel is reduced, and the service life is prolonged.

The present application relates to a kind of skin care compositions and its application in the preparation of cosmetics with antioxidant, firming anti-wrinkle and anti-aging, belong to the technical field of cosmetics.The skin care composition includes royal jelly extract, plum blossom extract, ergothioneine and hydroxyl pinacolyl retinoate.The royal jelly extract, plum blossom extract, ergothioneine and hydroxyl pinacolyl retinoate in a certain amount range Compounding can produce synergistic effect, so that skin care composition has strong DPPH free radical scavenging capacity, can efficiently neutralize skin excess active oxygen, alleviate oxidative stress damage, while effectively inhibiting elastase activity, slow down elastin degradation and loss, improve skin relaxation problem.Can also significantly improve the cell survival ability under UVB light damage, resist ultraviolet-induced photoaging, multi-dimensional synergistic play antioxidant, firming and anti-wrinkle and repair anti-aging effect.

This invention belongs to the field of pharmaceutical technology and discloses a tribulus terrestris saponin gel formulation for repairing acute photodamage to the skin, its preparation method, and its application. The tribulus terrestris saponin gel formulation comprises a therapeutically effective amount of tribulus terrestris saponin, a gel matrix, and a transdermal absorption enhancing system. The transdermal absorption enhancing system consists of a pH adjuster and a chemical penetration enhancer, wherein the pH value of the gel formulation is adjusted to 5.8–6.5. The preparation method includes steps such as blank gel preparation, drug and penetration enhancer solution preparation, mixing to form a gel, pH adjustment, and volume fixation. This formulation, through precise pH matching and synergistic application of an azone-ethanol penetration enhancing system, significantly improves the transdermal penetration efficiency and skin retention of tribulus terrestris saponin, improves symptoms such as erythema and desquamation caused by acute photodamage to the skin, exhibits high safety, demonstrates more sustained drug release behavior, and thus achieves superior cumulative concentration and long-lasting repair effect at the site of acute photodamage to the skin.

The invention relates to the technical field of cosmetics, and particularly discloses a firming and anti-wrinkle composition applicable to sensitive skin and application of the firming and anti-wrinkle composition. Oxidized resveratrol-silk fibroin particles, osmanthus fragrans extracts, cherry flower extracts and stevia rebaudiana leaf extracts have a synergistic effect; the silk fibroin and polysaccharide and other components in the cherry flower extract and the stevia rebaudiana leaf extract act together, so that the hydration effect of the skin can be enhanced, and the physical barrier of the skin is helped to be repaired. Oxidized resveratrol-silk fibroin particles are reasonably compounded with other components, and a plurality of ways of inhibiting ROS (reactive oxygen species), reducing inflammatory response, repairing light damage, resisting oxidation and the like have a synergistic effect, so that the damage of ultraviolet rays to the skin is effectively prevented and relieved. Meanwhile, collagen synthesis is promoted, the skin barrier function is enhanced, and the photoaging process is delayed.

The present application relates to a kind of staphylococcus epidermidis outer vesicle and its preparation method and application, the preparation method of the staphylococcus epidermidis outer vesicle includes the following steps: S1, staphylococcus epidermidis CCSMS0776 is inoculated in TSB culture medium and is cultivated, obtains staphylococcus epidermidis CCSMS0776 culture;S2, staphylococcus epidermidis CCSMS0776 culture obtained in S1 step is centrifuged, and supernatant is collected to ultrafiltration, obtains concentrated solution;S3, the concentrated solution obtained in S2 step is centrifuged, and supernatant is filtered, and then the filtrate is carried out ultra-high speed centrifugation, and the collection precipitate is resuspended in PBS, obtains staphylococcus epidermidis outer vesicle.Compared with prior art, the bacterial outer vesicle prepared in the present application shows good anti-inflammatory and skin barrier repair effect, and has wide application prospect in the protection of light damage and the treatment of inflammatory skin diseases and soothing skin care product.

The invention belongs to the technical field of cosmetics, and particularly relates to a natural-source composition with ultraviolet absorption and ultraviolet conversion functions and application of the natural-source composition in cosmetics. The natural source composition provided by the invention comprises a honeysuckle flower extract, a butterflybush flower and leaf extract and a spirulina platensis extract, wherein the mass ratio of the honeysuckle flower extract to the butterflybush flower and leaf extract to the spirulina platensis extract is (5-30): (1-20): (0.01-10). The natural-source composition provided by the invention not only can effectively absorb UVC, UVB and UVA full-wave band ultraviolet light, but also can convert the ultraviolet light into red light beneficial to a human body, so that the effects of resisting inflammation, repairing, fading red light, resisting light damage and resisting light aging are achieved. The natural-source composition provided by the invention is applied to cosmetics and can play a role in sunscreen and synergism. Meanwhile, the composition provided by the invention is natural, green, high in safety, mild and non-irritant, and can be used for children and people with sensitive skin.

The utility model discloses an indicating device of a grounding control electrical cabinet. The indicating device comprises an MCU, an indicating lamp and a display screen. The MCU is connected to the indicating lamp through the driving and self-checking circuit; the MCU is connected to the display screen; the input end of the hardware filter circuit is used for receiving a switching value signal of the grounding control electrical cabinet, and the output end of the hardware filter circuit is connected to the MCU through the optical coupler isolation circuit. According to the utility model, the hardware filter circuit and the optical coupler isolation circuit are adopted to eliminate interference signals, thereby ensuring that the indicating lamp of the grounding control electrical cabinet can indicate correctly, and avoiding potential safety hazards; and meanwhile, the self-checking and driving circuit is adopted to carry out self-checking on the indicating lamp and upload the damage state of the indicating lamp to the display screen for displaying, so that when the indicating lamp is damaged, a worker can be timely notified to carry out maintenance, safety accidents caused by wrong indication due to the damage of the indicating lamp are avoided, and the safety of the grounding control electrical cabinet is improved.