605results about How to "Suitable for use" patented technology

The invention discloses hip cream as well as a preparation method and application thereof, and belongs to the technical field of infant care products. The hip cream comprises a phase A, a phase B and a phase C, wherein the phase A comprises caprylic capric triglyceride, olive oil, camellia-seed oil, cera alba, sunflower seed oil and white ozocerite; a phase B: trihydroxy stearin; a phase C: VE acetate, folium artemisiae argyi essential oil, Roman chamomile, tea tree oil and double purple oil; and phase D: simmondsia chinensis seed oil. According to the invention, by optimizing the components and dosage in the hip cream, the prepared hip cream has good anti-inflammatory, soothing, moisturizing and skin repairing effects, the problems of red buttocks of newborns and skin ulceration, water loss, chapping, desquamation and the like caused by the red buttocks of the newborns are reduced, and meanwhile, the use of medicaments such as erythromycin ointment and the like is reduced. Meanwhile, the surface of the paper diaper can be coated with the hip cream to obtain the paper diaper containing the hip cream coating, the repairing and other effects of the hip cream are utilized, meanwhile, the paper diaper containing the hip cream has better soft feeling and smooth feeling, and damage caused by friction of the paper diaper is reduced.

The invention discloses a method for preparing tegorasone pyroglutamate, and the prepared tegorasone pyroglutamate product has the advantages of reduced residual solvent content, good stability, and facilitation of the improvement of the product quality and the guarantee of the medication safety. The preparation method is simple and rapid in preparation process, beneficial to saving of production cost and suitable for industrial production.

The invention discloses a whitening composition containing oxyresveratrol microcapsules as well as a preparation method and application of the whitening composition, and relates to the technical field of cosmetics. The invention provides a whitening composition. The whitening composition is prepared from the following components in parts by weight: 1 to 20 parts of oxyresveratrol microcapsules, 0.01 to 2 parts of gentiana rigescens extract, 0.1 to 10 parts of verbascos extract and 0.01 to 1 part of lupin extract, wherein the oxidized resveratrol microcapsule comprises a core material, a wall material, carrier oil and an emulsifier, and the weight ratio of the core material to the wall material to the carrier oil to the emulsifier is 1: (1-6): (1-8): (0.05-0.2). According to the oxidized resveratrol micro-capsule with the specific structure, active ingredients can penetrate into the deep layer of skin more deeply through a slow release mechanism, and by matching with other components, visible whitening and repairing effects can be achieved within a short time, and discomfort caused by a powerful whitening agent is reduced.

The invention relates to a nickel-based alloy composite plate and a preparation method thereof, and belongs to the technical field of alloy preparation. The alloy reinforcing agent is prepared under the sintering condition of high-temperature reducing gas protection by mixing the lanthanum element and the nanometer aluminum oxide, the granularity can be refined in the smelting process by adding the alloy reinforcing agent, and the wear resistance, hardness, strength and oxidation resistance of the alloy are effectively improved. Nickel is used as a matrix, an alloy reinforcing agent and elements such as molybdenum, copper, boron and hafnium are added, meanwhile, a mixture of potassium chloride and magnesium fluoride is used as a fluxing agent, uniform mixing and reaction of alloy components are promoted, and the nickel-based alloy smelted through step-by-step heating in vacuum has high hardness and strength and good abrasion resistance, corrosion resistance and high temperature resistance; and the stainless steel substrate and the nickel-based alloy plate are tightly combined through welding treatment, and the nickel-based alloy composite plate is suitable for manufacturing a vacuum chamber.

The invention discloses a marine seawater desalination device, and relates to the technical field of seawater treatment devices.The marine seawater desalination device comprises a pretreatment tank, a seawater temporary storage bin, a distillation bin, a condenser and a fresh water collection bin, the pretreatment tank communicates with a water inlet pipe and a first water conveying pipe, and a water suction pump is arranged on the water inlet pipe and used for sucking seawater into the pretreatment bin; a water filtering device for filtering seawater is arranged in the pretreatment tank, the first water conveying pipe is communicated with a seawater temporary storage bin, the seawater temporary storage bin is communicated with the distillation bin through a second water conveying pipe, a water supply pump is arranged on the second water conveying pipe, and a heating module for heating seawater is arranged in the distillation bin; the top of the distillation bin is communicated with a steam pipeline, the steam pipeline is communicated with a condenser and is used for condensing steam, the condenser is communicated with a fresh water pipeline, and the fresh water pipeline is communicated with a fresh water collecting bin. The sea water desalination device realizes efficient sea water desalination, reduces the occupied area of equipment, and is more suitable for ships.

The high-temperature-rise combustion chamber comprises a sudden expansion diffuser, a cartridge receiver, a combined air atomizing nozzle and a flame tube and can solve the problems that in the prior art, a high-temperature-rise combustion chamber of a small and medium-sized turbojet engine is low in fuel oil supply pressure and fuel oil flow is increased, so that fuel oil atomization is poor, the combustion efficiency is low, and the combustion efficiency is low. And the service life of the flame tube is difficult to meet the requirement due to great reduction of the cooling air quantity and increase of the cooling air temperature. An overall layout form of fuel oil radial grading and axial grading is innovatively adopted, and swirlers used for assisting fuel oil atomization all adopt a beveling hole mode; space compound angles are innovatively adopted for cooling holes in the flame tube, and the overall layout form of different sizes and different hole pitches is adopted in different areas. Fuel oil atomization quality and efficient combustion under various working conditions can be improved, the service life of the flame tube is prolonged, and meanwhile the machining process of the swirler is simplified due to the fact that the swirler adopts an inclined hole mode.

The invention discloses blending equipment for gasoline engine oil, and relates to the technical field of gasoline engine oil production, the blending equipment comprises a blending tank, the top of the blending tank is provided with a mounting frame, the middle of the mounting frame is vertically and rotatably connected with a driving shaft, the lower end of the driving shaft extends into the blending tank, and the driving shaft is connected with stirring blades; the power assembly is mounted on the mounting frame and is used for driving the driving shaft to rotate; the pneumatic stirring assembly is mounted in the blending tank and is used for stirring and mixing the raw materials by utilizing gas; through cooperative arrangement of the stirring blades, the pneumatic stirring assembly and the driving assembly, the double-blending function of mechanical stirring and pulse pneumatic blending can be achieved, the production efficiency of traditional mechanical stirring and blending equipment can be improved, support of air compression equipment, pulse control devices, control programs and the like is not needed, the equipment cost is low, and the practicability is high. The device is more suitable for small and medium-sized enterprises.

The utility model provides a fast folding electric scooter seat structure which comprises a movable base and a seat plate frame, and the movable base and the seat plate frame are rotationally connected through two sets of linkage assemblies arranged in parallel. The linkage assembly comprises a connecting plate, a front supporting rod, a rear supporting rod and a limiting plate. A limiting plate is fixed to the top end of the movable base. A connecting plate is fixed to the bottom end of the seat plate frame. A front supporting rod and a rear supporting rod are rotationally connected between the limiting plate and the connecting plate; a supporting rod is fixed on the side part of each rear supporting rod; the two sides of the seat plate frame are rotationally connected with supports, and the other ends of the supports are rotationally connected with armrest plates; and the side parts of the armrest plates and the seat plate frame are rotationally connected with a backrest frame, and the backrest frame is matched and connected with a support rod. The folding structure is adopted, the size is small during folding storage, and carrying is convenient; in addition, when the scooter seat structure is folded and unfolded, only simple rotating operation is needed, operation is simple, and the scooter seat structure is suitable for old people to use.

The invention relates to the field of cosmetics, in particular to the field of A61K8, in particular to a multi-effect skin-care liposome whitening composition and a preparation method thereof. The multi-effect skin-care lipidosome whitening composition is prepared from the following raw materials: a whitening functional component, polyhydric alcohols, an emulsifier, a plant extract, lipidoids and deionized water, wherein the whitening functional component is prepared from glabridin, tranexamic acid, nicotinamide, acetylchitosamine, diglucosyl gallic acid, ectoin and ergothioneine. The multiple-effect skin-care liposome whitening composition has the effects of inhibiting the activity of tyrosinase, improving the DPPH clearance rate, inhibiting hyaluronidase and the like, and it is guaranteed that the product has excellent whitening and skin-care effects.

The invention discloses a thin-wall sheath cable and a rapid forming process thereof, and the thin-wall sheath cable comprises a cable core, an insulating layer wrapping the cable core, and a sheath at the outermost layer. Wherein the cable core is formed by twisting a plurality of copper single wires; the insulating layer is made of a flame-retardant cross-linked polyethylene material; the sheath is made of a modified nylon material. Printing marks of the thin-wall sheath cable body are arranged on the insulating surface, the insulating layer and the sheath are extruded in a segmented mode, and the cable is formed at a time. The thin-wall sheath cable has the characteristics of flame retardance, environmental protection, wear resistance, small outer diameter, light weight, fast heat dissipation, large relative current-carrying capacity, easiness in pipe penetrating construction and the like.

The invention discloses a cleaning composition specially researched for sensitive skin and a preparation method of the cleaning composition, and particularly belongs to the field of face cleaning and nursing. The cleaning composition comprises the following components: glycerol, a stabilizer, a skin conditioning component, sodium cocoyl glycinate dry powder, disodium cocoyl glutamate, a sodium cocoyl glycinate solution and a betaine type surfactant, according to the cleaning composition, on the premise that fatty acid is not added, through reasonable matching of the sodium cocoyl glycinate dry powder, the sodium cocoyl glycinate solution, the disodium cocoyl glutamate and the betaine type surfactant, the effects of being rich in foam, soft, dense, mild and non-irritating are achieved, and the cleaning composition is suitable for sensitive skin to use.

The invention provides an outer membrane vesicle composition for protecting infection of group B meningococcus. The outer membrane vesicle composition consists of lipopolysaccharide modified outer membrane vesicles of group B meningococcus and outer membrane vesicles of group B meningococcus for expressing recombinant protein. Compared with the outer membrane vesicle of a single strain, the outer membrane vesicle composition provided by the invention has a better effect of protecting group B meningococcus infection, and is more suitable for being used as a vaccine.

The invention relates to the technical field of high-speed cable shielding materials, and discloses a manufacturing method of rolled copper foil for high-speed cable shielding. The method comprises the following steps: preparing a copper plate; performing multi-pass cold rolling on the copper plate to form an elongated grain structure oriented along the rolling direction; performing controlled annealing on the cold-rolled copper foil to recover plasticity and inhibit complete recrystallization; the target thickness is obtained through finish rolling; carrying out finishing rolling on at least one surface of the copper foil by adopting a mirror surface working roller so as to reduce the surface roughness; and performing surface smoothing or passivating treatment to inhibit oxidation and performance degradation. Therefore, the obtained rolled copper foil has good ductility, structural stability and high-frequency performance.

The invention discloses an ultra-thick solvent-free epoxy coating for an offshore steel pipe pile as well as a preparation method and application of the ultra-thick solvent-free epoxy coating. The ultra-thick solvent-free epoxy coating is prepared from a component A and a component B, the component A comprises the following components in percentage by mass: 20-25% of epoxy resin, 20-25% of silicon branched modified epoxy resin, 2-5% of a reactive diluent, 10-20% of calcium carbonate, 10-20% of natural barium sulfate, 2-5% of graphene, 10-15% of glass flakes, 5-10% of silica powder, 5-10% of zinc phosphate, 0.8-2% of a thixotropic agent and 0.2-0.3% of a flatting agent; and the component B comprises 15-30% of a curing agent, 15-25% of talcum powder, 15-25% of natural barium sulfate, 10-15% of titanium dioxide, 5-10% of zinc phosphate and 0.2-0.3% of a leveling agent. According to the present invention, the adhesion, the salt resistance, the wear resistance and the aging resistance of the epoxy coating can be improved, and the epoxy coating can be used for the anti-corrosion coating of the offshore steel pipe pile close to or in contact with seawater.

The invention provides an intelligent accompanying shopping cart for old people, and relates to the technical field of artificial intelligence robots. The system specifically comprises a shopping cart for old people, and a high-definition camera, an upper computer, a lower computer, a power supply and a motor which are arranged on the shopping cart. The intelligent shopping cart comprehensively adopts a computer vision technology, a Bluetooth positioning technology and an artificial intelligence algorithm, not only has the functions of loading, bearing and transporting of a traditional shopping cart, but also can automatically accompany old people to walk and automatically avoid obstacles, does not need to be pushed and pulled by the old people, has a guiding function, can guide the old people home without getting lost, and is convenient to use. The multifunctional shopping cart has the advantages that the multifunctional shopping cart is simple in structure and convenient to use, has the safety anti-theft function, prevents the shopping cart or articles in the cart from being stolen, further has the auxiliary functions of being chargeable, foldable, capable of being switched to be pushed and pulled manually, capable of serving as a rest seat and the like, provides convenient, safe and comfortable going-out and shopping experience for old people, is an innovative product for scientific old people aiding, and has high practical value and social significance.

The invention discloses an airway foreign matter obstruction first-aid negative pressure suction device in the technical field of medical instruments, which comprises a first driving box and a second driving box, a winch assembly is arranged in the first driving box, a first twisted rope is arranged between the winch assembly and the second driving box, a transmission assembly is arranged in the second driving box, and the first twisted rope is rotatably connected with the transmission assembly. The side, away from the first twisted rope, of the transmission assembly is provided with a hammering assembly used for hammering the chest and abdomen, one side of the first driving box is fixedly connected with a face first-aid box, a second twisted rope is arranged between the face first-aid box and the winch assembly, and the end, away from the winch assembly, of the second twisted rope is fixedly connected with a hook. A telescopic box assembly is arranged on the side, close to the first driving box, in the face first-aid box, a hanging hole is fixedly connected to the telescopic box assembly, and the hook is fixedly connected with the hanging hole. The negative pressure suction device is automatically operated and worn, and the hammering assembly is combined to conduct auxiliary impact on the chest and abdomen, so that the effect that a person sucks the foreign matter in the airway in a self-rescue mode is achieved.

The utility model discloses a mute dust removal device for an air port of a fresh air fan, which belongs to the field of mute dust removal devices and comprises an air feeder body, an air exhaust pipeline is fixedly connected to one side of the air feeder body, an air supply pipeline is fixedly connected to the other side of the air feeder body, and a mute dust removal mechanism is movably mounted on the air exhaust pipeline and the air supply pipeline. According to the silent dust removal mechanism, a movable plate is sealed in a filter box through a first sealing ring and a second sealing ring, a filter plate on the upper portion of the movable plate is located in the filter box and filters inlet air, and when a large amount of dust is accumulated on the filter plate on the upper portion, the movable plate is pulled upwards out of the filter box; according to the fresh air ventilator, the movable plate is arranged, the filter plate below the movable plate is moved into the filter box, the filter plate on the upper portion is cleaned, the filter plate on the movable plate is more convenient to clean, work of the fresh air ventilator is not affected, noise reduction and noise pollution reduction are conducted on the air supply pipeline and the air exhaust pipeline through half-ring-shaped silencing cotton in a silencing ring, and the fresh air ventilator is more suitable for use.

The utility model discloses integrated landfill leachate treatment equipment, which relates to the technical field of integrated landfill leachate treatment equipment and comprises a treatment box, fixing frames are arranged on the left side and the right side of the treatment box, a connecting frame is arranged at the upper end of the treatment box, and an air cylinder is arranged between the connecting frame and the fixing frames. A connecting rod is arranged at the lower end of the connecting frame, a pressing plate is arranged at the lower end of the connecting rod, a handle is arranged on the right side of the treatment box, four groups of universal wheels are symmetrically arranged on the outer surface of the lower end of the treatment box, a reaction liquid tank is arranged on the left side of the treatment box, and a mounting frame is arranged between the reaction liquid tank and the treatment box; and a visual window is arranged in the reaction liquid tank. According to the integrated landfill leachate treatment equipment disclosed by the utility model, seepage of leachate can be accelerated, namely, the treatment efficiency of the leachate can be improved, and meanwhile, the condition that the treated leachate is overlow in discharge rate, overflows from the upper end of the treatment box and is polluted again is prevented.

The invention relates to the field of liquid coiled materials, and particularly discloses an exposed modified asphalt waterproof coating as well as a preparation method and application thereof. The modified asphalt waterproof coating is prepared from the following raw materials in parts by weight: 30-35 parts of compound functional emulsion; 25 to 30 parts of emulsified asphalt; 0.2 to 0.4 part of a defoaming agent; 0.3 to 0.5 part of a dispersant; 0.2 to 0.4 part of a multifunctional auxiliary agent; 20 to 30 parts of heavy calcium carbonate; 10 to 12 parts of glass beads; 2-4 parts of a silane coupling agent; 3-5 parts of an ultraviolet light absorber; and 2-3 parts of a light stabilizer. The exposed modified asphalt waterproof coating disclosed by the invention has relatively good aging resistance, also has good heat insulation and noise reduction performance and flame retardance, can be widely applied to building surfaces exposed to sunlight for a long time, and is relatively high in safety.

The invention belongs to the technical field of traditional Chinese medicines, mainly relates to a preparation method of a traditional Chinese medicine composition, and particularly relates to a traditional Chinese medicine composition, a preparation method and application of the traditional Chinese medicine composition in hair loss preventing, dandruff removing and itching relieving shampoo. The traditional Chinese medicine composition is obtained by fermenting a traditional Chinese medicine mixture. The traditional Chinese medicine mixture comprises the following components in parts by weight: 40-60 parts of polygonum multiflorum, 15-25 parts of ginseng, 25-35 parts of poria cocos, 10-20 parts of mint and 50-60 parts of egg white; in the method, a compound strain is selected for fermentation, and the compound strain comprises lactobacillus acidophilus CICC-6082 and lactobacillus crispatus CICC-25191. The traditional Chinese medicine composition has the efficacy of preventing alopecia and also has the efficacy of removing dandruff, relieving itching and resisting allergy.

The high-frequency sound wave fish driving device comprises a main body structure and a modular buoy structure arranged below the main body structure, the main body structure comprises a main frame body, the main frame body is connected with the modular buoy structure through a fastening bolt, and a solar cell panel and a mainframe box are arranged on the main frame body; a controller, a plurality of connectors and a fixing rod are arranged on the mainframe box, a cross is arranged at the bottom of the fixing rod, driving propellers are arranged at the ends of the cross, the connectors are connected with a waterproof plug, and the waterproof plug is connected with a high-frequency generator through an extension line. With the adoption of the structure, the modular buoy structure can be flexibly combined and adjusted and is suitable for carrying fish driving equipment with different powers; the driving mode is divided into two fixed-point cruising modes, the fish driving requirement of the tail water area can be met more easily, and the automatic fish driving efficiency is greatly improved; the operation and maintenance efficiency of hydropower station equipment is improved, fish resources are protected, and the comprehensive ecological and environment-friendly benefits of a hydropower hub are improved.

The present invention relates to a lifting scooter, which belongs to a small lifting and transporting machine. The technical solution adopted by the present invention is: it includes a mobile chassis, a lifting frame with scissor forks is arranged on the mobile chassis, a hydraulic cylinder is arranged inside the lifting frame to drive the scissor forks of the lifting frame, and the top of the lifting frame is a lifting platform, which is characterized in that the mobile chassis is provided with foot platforms on both sides of the lifting frame, and the lower part of the foot platform is provided with a pneumatic rod, and the lower part of the pneumatic rod is fixed on the mobile chassis. The lower part of the mobile chassis is provided with two groups of guide devices, and the guide device moves along a single group of guide rails laid on the ground. The advantages of the present invention are: it can move along the track, which is suitable for the transportation of assembly line parts in large-scale factories; the lifting platform can rotate, which is suitable for angle adjustment of equipment during installation and transportation; a foot platform is provided at the edge position to facilitate foot-operated transportation of equipment; it is electrically driven and suitable for factory use.

The utility model belongs to the technical field of agricultural product processing, and particularly relates to an agricultural product processing device which comprises a cleaning machine and two ultrasonic cleaning machines, one side of the cleaning machine is provided with a feeding port cabin door, the other side of the cleaning machine is provided with a discharging port, and the inner wall of the cleaning machine is rotatably connected with a rotary net cylinder. A plurality of material pushing net plates are fixedly connected to the side wall of the rotating net cylinder, a filtering box is fixedly connected to one side of the cleaning machine, a water inlet pipe is fixedly connected to one side of the filtering box, and a circulating water pump is installed at the bottom end of the filtering box; agricultural products are pushed in the cleaning machine through a plurality of material pushing net plates, so that continuous operation can be realized when the device cleans the agricultural products, the labor consumption is reduced, and the processing efficiency is improved; the two filter screens are driven by the rotary carrying disc to rotate and operate alternately, so that the filter screens in a non-working state can be cleaned by the push plate, timely cleaning and more efficient operation are realized, and the filter screens in the water source recovery system are prevented from being blocked by impurities.

The utility model relates to the technical field of road bridge construction, in particular to joint cutting equipment for municipal road bridge construction, which comprises a frame, wheels are fixedly connected to four corners of the lower end of the frame, a mounting frame is fixedly connected to the upper end of the frame in a penetrating manner, the mounting frame is of a U-shaped structure, and a joint cutting mechanism is fixedly connected to the inner wall of the mounting frame. The middle of the upper end of the frame is of a hollow structure, the right portion of the upper end of the frame is fixedly connected with two handles, the right portion of the lower end of the frame is fixedly connected with a dustproof curtain, the dustproof curtain is located between two wheels on the right portion of the lower end of the frame, and the joint cutting mechanism does not make contact with the frame. The joint cutting equipment for municipal road and bridge construction is simple in structure, low in manufacturing cost and suitable for being used by small enterprises.

The invention relates to the field of cosmetics, in particular to a whitening composition as well as a preparation method and application thereof. The whitening composition is prepared from the following components in percentage by mass: 0.1 to 1 percent of kava pepper leaf / root / stem extract, 0.5 to 2 percent of pelargonium graveolens flower / leaf / stem extract, 0.1 to 1 percent of terminalia chinensis fruit extract, a solvent and 0.1 to 3 percent of an auxiliary agent. The invention provides a whitening composition as well as a preparation method and application thereof, and aims to develop a whitening composition with a better effect by scientifically proportioning a plurality of natural plant extracts and functional components so as to meet diversified requirements of consumers on whitening products and promote further development and application of the whitening products.

The utility model provides an assembly type non-dismantling formwork system. The assembly type non-dismantling formwork system at least comprises a reinforcement cage 1, a pouring formwork 2 and a fixing hanging piece 3. Wherein the fixing hanging piece 3 is arranged on the pouring formwork 2, the pouring formwork 2 is hung on the reinforcement cage 1 through the fixing hanging piece 3, and compared with a traditional formwork, the pouring formwork 2 is hung on the reinforcement cage 1.

The invention belongs to the technical field of handmade soap, and particularly relates to an antibacterial handmade soap formula of ganoderma lucidum enzymatic hydrolysate, which is prepared from the following raw materials in percentage by mass: 14-20% of ganoderma lucidum enzymatic hydrolysate, 50-65% of coconut oil, 3-7% of sodium hydroxide, 14-20% of distilled water, 1-3% of tea tree oil, 1-3% of unsaturated lipoglycerin and 0.1-0.3% of vitamin E, an extraction method of the lucid ganoderma enzyme dissolving solution comprises the following steps: putting raw material lucid ganoderma into a cleaning machine, cleaning, airing the cleaned lucid ganoderma, crushing into powder, putting pure water into the lucid ganoderma powder according to a ratio of 1: 10, and uniformly stirring. The composition can resist bacteria, moisten, repair and resist oxidation, the ganoderma lucidum enzymatic hydrolysate and the tea tree oil provide a natural antibacterial effect and prevent skin infection, the ganoderma lucidum polysaccharide and the ganoderma lucidum saponin promote collagen generation, balance skin color, resist oxidation and delay senescence, the composition does not contain synthetic perfume and preservatives, is suitable for sensitive skin, and adopts modern enzymolysis and sterilization technologies, so that the composition is safe and reliable. High efficiency and stability of products are ensured.

The invention discloses an efficient operation auxiliary device for an emergency communication command vehicle, and the device comprises a controlled device which comprises the emergency communication command vehicle and a vehicle-mounted device disposed on the emergency communication command vehicle. The vehicle-mounted equipment comprises emergency equipment and an emergency equipment auxiliary assembly; the emergency equipment comprises supporting legs, a lifting rod, a lodging mechanism and a satellite antenna, and the emergency equipment auxiliary assembly comprises a distribution box, an intelligent power socket, a computer, a storage battery, an emergency communication command vehicle engine and a vehicle-mounted generator. According to the efficient operation auxiliary device for the emergency communication command vehicle, after the emergency communication command vehicle arrives at a site, emergency equipment can be quickly unfolded and folded, and the unfolding and folding states of the emergency equipment can be monitored in real time, so that it is guaranteed that the emergency equipment is in a completely unfolded state or a completely folded state; therefore, the unfolding and folding speed of the emergency communication command vehicle under emergency rescue is improved.

The invention discloses a negative pressure phototherapy device which comprises an electric driving device, a light-emitting surface component, an absorbing layer, a negative pressure giving layer, a negative pressure pump component and a negative pressure pipeline. According to the light-emitting surface component, a planar optical waveguide component can be adopted to provide a surface light source, and a flexible OLED light-emitting panel can also be adopted to provide a surface light source. For a negative pressure phototherapy device adopting a planar optical waveguide component, the optical waveguide component is provided with a hole channel and is integrated with a negative pressure device, so that the wound can be cured synchronously by negative pressure and phototherapy, and meanwhile, the optical waveguide component can convert a point light source into an area light source so as to realize large-area treatment. According to the negative pressure phototherapy device adopting the flexible OLED light-emitting panel, due to the fact that the OLED light-emitting panel is provided with the hole channels and is integrated with the negative pressure device, the wound can be cured synchronously through negative pressure and phototherapy, and meanwhile the OLED light-emitting panel can provide an area light source so that large-area treatment can be achieved.

The invention relates to the technical field of LED wireless driving, and particularly discloses a dual-constant-voltage output communication-free wireless LED driver based on a reconfigurable rectifier, which comprises a direct-current voltage source UD, a high-frequency inverter H, a transmitting side compensation network, a receiving side compensation network, a special rectifier, a filter capacitor CF and an LED equivalent resistor RB. The LED driver has the beneficial effects that 1, the LED driver can realize switching of two constant voltage topologies by controlling the working states of two MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) switch tubes in the special rectifier, so that the driver can provide different power supply outputs for the LED lamp string according to actual environment requirements, and the LED lamp string works in different modes; and 2, the LED driver disclosed by the invention can realize zero phase angle operation in two constant voltage working modes, so that relatively high transmission efficiency is ensured.