26results about How to "Reduce direct exposure" patented technology

The invention provides thiamethoxam water dispersible granules and a production process thereof, and belongs to the technical field of pesticide preparation. The production process comprises the following steps: modifying methyl methacrylate; preparing an anti-ultraviolet carrier; loading eugenol; and preparing the water dispersible granules. The water dispersible granule is prepared by mixing the uvioresistant carrier loaded with eugenol with thiamethoxam, the dispersing agent, the wetting agent, the disintegrating agent and the binder, when eugenol and thiamethoxam are combined for use, the pest killing effect can be synergistically enhanced, and in addition, eugenol can bypass the resistance mechanism of pests to thiamethoxam, so that the pest killing effect is improved. Even if pests have certain tolerance to neurotoxicity of thiamethoxam, eugenol can still play a role by destroying cell membrane structures and respiratory systems of the pests, so that the resistance of the pests is broken, and the overall insecticidal effect of the prepared water dispersible granule is enhanced.

The invention discloses a photovoltaic adhesive film with low shrinkage and a preparation method thereof, and belongs to the technical field of photovoltaic film adhesive preparation. The photovoltaic adhesive film with low shrinkage is composed of the following components in parts by weight: 15-18 parts of ethylene-acrylic acid copolymer, 35-42 parts of ethylene-vinyl acetate copolymer, 1.5-1.8 parts of cross-linking agent, 0.7-1.3 parts of silane coupling agent, 1.1-2.7 parts of composite light stabilizer, 1.2-2.4 parts of composite modifier, wherein the composite light stabilizer is prepared by morpholine dichloride, N-butyl-2,2,6,6-tetramethyl-4-piperidinamine, N-(4-aminophenyl) maleimide and tetrakis (3-mercaptobutyric acid) pentaerythritol ester, and the composite modifier is prepared by dimethylaminoethyl methacrylate, azobisisoheptonitrile, 4-cyano-4-(thiobenzoylthio) valeric acid. The prepared photovoltaic adhesive film has low shrinkage, excellent aging resistance and mechanical properties.

This invention belongs to the field of reaction chamber technology, specifically relating to an ultraviolet optical cavity reaction chamber module for an air treatment device. The cavity body defines an internal chamber and has an inlet opening and an outlet opening, which are arranged in series with an external airflow passage. One or more internal surfaces of the cavity body are reflective surfaces, the shape of which causes the internal geometry of the cavity body to form an optical cavity. This invention allows light emitted from a region inside the cavity to be repeatedly reflected on an elliptical surface, and to be reflected multiple times within the cavity before reaching the inlet or outlet opening. Simultaneously, the geometric discontinuities at the internal seams minimize the impact on overall optical performance. This invention reduces direct exposure to ultraviolet radiation from the outside of the module and converts intercepted photons into an additional air purification mechanism. Furthermore, the photocatalytic layer does not significantly reduce the reflectivity of the main optical cavity walls.

The invention discloses a lamp chamber assembly and a lamp chamber optical system thereof, and belongs to the technical field of gas discharge lamps, the lamp chamber assembly comprises a laser, a concave lens, a reflector, a dichroscope and a reflective bowl, the concave lens expands a laser beam and irradiates the reflector, the optical center of the concave lens coincides with a reference optical axis, and the reflector turns the laser beam by 90 degrees and reflects the laser beam; the reflected laser beam is set as a reflecting light axis, the reflecting mirror reflects the laser beam to the dichroscope, the dichroscope refracts the laser beam and then irradiates the reflecting bowl, and the dichroscope and the reflecting bowl are located on the reflecting light axis; the center of the reflector is provided with a hole, and the laser beam irradiated at the hole passes through the hole, so that the laser beam reflected to the dichroscope forms a hollow beam. According to the invention, the hole is formed in the reflector to guide the laser beam, so that the reflected laser beam forms a hollow beam, direct irradiation on the cooling cap on the anode end is reduced, and the temperature of the cooling cap and the anode end is reduced.

The invention discloses wire drawing equipment for manufacturing a rare earth aluminum alloy cable, and relates to the technical field of wire and cable manufacturing, the wire drawing equipment comprises a wire drawing assembly, a traction assembly and a cable, the traction assembly is used for providing traction force for the cable, and the wire drawing assembly is used for conducting wire drawing processing on the cable; the oxygen discharging mechanism is arranged on the side face of the wire drawing assembly and comprises a preheating bin communicating with the left side of the wire drawing assembly and a nitrogen making machine used for generating nitrogen, a heating coil is fixedly connected to the interior of the preheating bin, a controller is fixedly connected to the lower portion of the left side of the wire drawing assembly, and the heating coil is electrically connected to the controller. The controller is used for controlling the heating coil to heat the cable, a nitrogen input pipe is arranged on the lower surface of the preheating bin, the nitrogen input pipe is fixedly connected with the nitrogen making machine, a second rotating shaft is rotationally connected to the inner wall of the side end of the preheating bin, direct exposure of oxygen and the surface of the cable is reduced, and the oxidation phenomenon in the cable preheating process can be effectively reduced.

The utility model relates to the technical field of printing equipment, in particular to a three-dimensional printer. The three-dimensional printer comprises an ink jet head, a curing device, a printing platform and a protection assembly, the protection assembly is located between the ink jet head and the curing device, the ink jet head, the curing device and the protection assembly are movably arranged in the horizontal direction relative to the printing platform and located above the printing platform, and the ink jet head is movably arranged in the height direction relative to the printing platform. The protection assembly comprises a protection part and is characterized in that when the ink jet head moves within a first height range in the height direction relative to the printing platform, the lower end face of the protection part makes contact with the printing platform. The protection assembly is located between the ink jet head and the curing device, and the lower end face of the protection part of the protection assembly makes contact with the printing platform, so that the situation that light rays emitted by the curing device directly irradiate or are reflected to the surface of a nozzle of the ink jet head by other objects can be reduced; therefore, reduction of printing precision can be avoided, and parts of the three-dimensional printer are prevented from being damaged.

The invention discloses a spot welding machine with a cooling function, and relates to the technical field of welding, the spot welding machine comprises a spot welding machine main body of a rectangular frame structure, and the top end of the spot welding machine main body is fixedly connected with a plurality of welding cylinders which are used for controlling an electrode to move up and down and completing pressing and loosening operation in the spot welding process; the inner wall of the spot welding machine body is fixedly connected with a machining table used for providing a stable supporting face for a machined workpiece and optimizing the layout and positioning mode of the workpiece on the machining table, and the bottom end of the welding air cylinder is fixedly connected with a welding head used for directly providing current and pressure and making contact with and melting metal. Arc friction track mechanisms are arranged on the two sides of the welding air cylinder, an arc strike welding mechanism is arranged in the center of the upper end of the machining table, splashing shielding mechanisms are arranged on the two sides of the upper end of the machining table, and an outer friction disc and an inner friction disc are matched with each other, so that the arc friction track mechanisms move along an arc track; and heat distribution of a welding area can be more uniform.

The invention discloses a preparation method of a simulation tree with an infrared stealth camouflage characteristic, and belongs to the technical field of infrared camouflage. The preparation method is used for solving the technical problems that in the prior art, a camouflage tree for military camouflage is poor in water resistance and acid-resistant color fastness, and the infrared stealth camouflage characteristic of a simulation tree needs to be further improved, and the preparation method of the simulation tree with the infrared stealth camouflage characteristic is provided. Comprising the following steps: heating and melting infrared simulation resin imitating the color of bark, and then coating the infrared simulation resin on the outer part of a simulation tree skeleton to form a simulation coating layer with the thickness of 20-30mm on the outer part of the simulation tree skeleton. By preparing the simulation tree skeleton coated with the glass fiber and coating the simulation tree skeleton with the infrared simulation resin, the highly similar simulation tree is prepared, the water-resistant and acid-resistant color fastness of the simulation tree is improved, the moisture absorption performance of the simulation tree is also improved, the transpiration of green vegetation leaves is simulated, and the simulation tree skeleton can be used as a simulation tree. The target is fused into the natural environment, and the infrared stealth effect is improved.

The utility model discloses a perch culture water filtering equipment convenient to temperature control belongs to the fishpond technical field, it includes a pair of base, and the base is fixedly connected with the rectangle shell in, the rectangle shell is inside and is seted up with the first sliding slot, the first sliding slot is rotatably connected with the threaded rod in, and the sliding block is threadedly connected on the threaded rod, the utility model discloses a solar panel of setting up can fold, and the solar panel provides the electric energy for the fan under water, when the sunlight direct water surface in the daytime, the solar panel unfolds, hides the water surface, reduces the direct sunlight of sunlight to the water body, prevents the temperature of water body from rising, simultaneously, the fan under water starts working simultaneously, through the agitation water body, the water temperature is balanced, prevents the water temperature difference from being too big, maintains the stable fish survival environment, when the solar panel folds and closes, the fan under water also will follow stop moving, like this is green low carbon energy -conserving emission reduction, guarantees the stability of water temperature again, provides a suitable growth environment for fish.

The utility model discloses an anti-yellowing luggage, which relates to the technical field of luggage, and comprises an isolation plate, the top of the isolation plate is provided with a storage box, the bottom of the storage box is fixedly connected with a waterproof box, and the outer side of the isolation plate and the outer side of the waterproof box are respectively provided with an anti-oxidation coating; the top of the isolation plate is fixedly connected with an annularly-distributed extension plate, a guide groove aligned with the extension plate is formed in the storage box, the extension plate is slidably connected to the interior of the guide groove, the rear side of the storage box is fixedly connected with a mounting block of a U-shaped structure, and guide grooves are formed in the two longitudinal ends of the mounting block. According to the anti-yellowing luggage, the outer sides of the storage box and the waterproof box are coated with the anti-oxidation coatings, ultraviolet rays are effectively reflected, direct exposure of materials is reduced, the anti-aging performance of the luggage is improved, the space between the storage box and the isolation plate can be flexibly adjusted through sliding fit of the guide rods, the limiting grooves and the extension plates, and the storage flexibility is improved.

The utility model provides a perfuming machine installed in an automobile center control saddle storage pocket, and relates to the field of perfuming machines, the perfuming machine comprises a perfuming machine shell mechanism, the perfuming machine shell mechanism comprises a bottom shell, a perfuming outlet, a perfuming rod positioning port and an upper shell, a perfuming rod stabilizing mechanism is arranged in the perfuming machine shell mechanism, and the perfuming rod stabilizing mechanism is connected with the perfuming machine shell mechanism. The fragrance rod stabilizing mechanism comprises a fixed shell, a fragrance dispersing groove, a fragrance dispersing fan, a mounting block, a clamping groove, a quick-release shell, a triangular clamping block and a hollow groove, and the fragrance rod mechanism is arranged in the fragrance rod stabilizing mechanism; the fragrance rod mechanism comprises a protective shell, a limiting groove, a positioning block, a fragrance rod storage shell, a positioning groove, a positioning groove, a protective cover, a limiting block and a positioning protruding block. According to the utility model, splicing and dismounting of the fixed shell and the quick-dismounting shell are facilitated, then the fragrance rod storage shell is dismounted from the interior of the protective shell, and the protective cover is dismounted from one end of the fragrance rod storage shell, so that replacement of the fragrance rod is facilitated.

The utility model discloses a kind of building roof anti-seepage structures, including the waterproof layer being arranged on surface layer, the heat preservation and exchange structure being arranged on waterproof layer and the anti-seepage structure being arranged on the heat preservation and exchange structure;The heat preservation and exchange structure includes the foamed cement layer being arranged on surface layer, the capillary network being embedded in the bottom of foamed cement layer and being arranged on surface layer, the phase change layer being embedded in foamed cement layer;The anti-seepage structure includes the anti-cracking mortar layer being sequentially arranged from bottom to top, cement mortar screed, waterproof roll material and waterproof protective surface layer, and the cement mortar screed is arranged on foamed cement layer.The utility model is simple in structure, absorbs or emits heat through heat preservation and exchange structure, reduces heat accumulation or promotes heat emission, to reduce the cracking caused by thermal stress;Through anti-seepage structure to roof top carries out waterproofing and anti-cracking, adapt to external harsh environment, to realize building roof anti-seepage, improve service life.

The invention provides a pyraclostrobin thioneb water dispersible granule and a preparation process thereof, and belongs to the technical field of pesticide preparations. The preparation process comprises the following steps: loading pyraclostrobin thioneb on modified tungsten trioxide nanoflowers; the micro-capsule of the tungsten trioxide nanoflower loaded with the pyraclostrobin metiram is flexible; preparing a polymer binder; preparing a nano auxiliary agent; and preparing the water dispersible granules. Pyraclostrobin thioneb is loaded by tungsten trioxide nanoflowers, and the tungsten trioxide nanoflowers have unique optical performance, can absorb and scatter light rays such as ultraviolet rays and reduce direct irradiation of the light rays to pyraclostrobin thioneb, so that decomposition and failure caused by photolysis of the pyraclostrobin thioneb are reduced, the validity period and the lasting period of the pesticide are prolonged, and the pesticide is safe and environmentally friendly. Meanwhile, the slow release speed of pyraclostrobin thioneb can be adjusted after modification of polyethylene glycol and lauryl sodium sulfate, so that the pesticide can continuously exert the pesticide effect on the surfaces of crops.

The utility model discloses an anti-interference total station, which comprises a total station and a transparent protective cover, the total station is arranged in the transparent protective cover, the outer top of the transparent protective cover is provided with a shielding structure, and the outer left and right sides of the protective cover are provided with rainwater removing structures. The transparent protective cover arranged on the outer side of the total station can effectively prevent rainwater and external dust from being in direct contact with the total station, so that electronic elements and a lens in the equipment are prevented from being eroded and damaged by the rainwater, and the service life of the equipment can be prolonged; in addition, the maintenance and replacement cost caused by equipment damage can be avoided, the interference of sunlight to the sight line of the total station can be effectively reduced through the sunlight shielding structure arranged on the protective cover, so that the influence of the sunlight on the sight line is reduced, the measurement precision is improved, and the sunlight shielding structure can play a role in protecting the observation equipment.

The invention relates to the technical field of power equipment, and discloses an energy-saving transformer protection system which comprises a transformer, cooling fins are arranged on the transformer and used for cooling of the transformer, a protection frame sleeves the cooling fins, and the inner side wall of the protection frame is concave and used for wrapping the corners of the cooling fins. The protective frame is made of a heat conduction material and is in close contact with the radiating fins; the protective frame is provided with a sun shield used for shielding the heat dissipation fins, the top of the sun shield is arranged to be an inclined face and used for discharging dust on the top of the sun shield, the protective frame is arranged and arranged on the heat dissipation fins in a sleeving mode, protection is formed at the corners of the heat dissipation fins, and therefore the probability that anti-rust paint on the surfaces of the heat dissipation fins falls off can be reduced, and the service life of the heat dissipation fins is prolonged. The heat dissipation effect of the heat dissipation fins is guaranteed, and meanwhile the maintenance cost of the transformer is reduced.

The invention discloses a modified ceramic masterbatch and a preparation method thereof. The modified ceramic masterbatch is composed of the following components in parts by weight: 90-100 parts of a ceramic matrix, 3-5 parts of an active ingredient, 0.8-1.2 parts of polyvinyl alcohol, and 0.3-0.7 parts of silicon dioxide nanoparticles. The modified ceramic masterbatch enhances the mechanical strength and antibacterial properties of the material by fusing a high-performance ceramic matrix with active ingredients, such as cephaladin and silver nanoparticles, using polyvinyl alcohol as a dispersant and silicon dioxide nanoparticles as a flux. Precise sintering processes and plasma spraying technologies further improve the compactness and surface activity of the masterbatch, ensure the effective release of the active ingredients, and enable it to show a wide range of application potentials in the fields of medical treatment, biomedicine, and environmental purification.

This utility model discloses an adjustable tilt sleeping pad for a baby bassinet stroller, comprising a support plate fixedly connected to the inner cavity of the baby bassinet; a movable support plate is rotatably connected to the rear side of the support plate; a sponge sleeping pad is fixedly connected to the top of both the support plate and the movable support plate; a support rod is rotatably connected to the inner cavity of the movable support plate; connecting grooves are fixedly connected to the left and right sides of the surface of the support rod; connecting rods are slidably connected to the inner cavities of both connecting grooves; a round rod is welded between the two connecting rods; a U-shaped corner is fixedly connected to the inner cavity of the baby bassinet; and a positioning structure is provided in the inner cavity of the baby bassinet. This utility model allows the connecting rods to slide within the inner cavities of the connecting grooves, and then uses the positioning structure to fix the connecting grooves and connecting rods, thereby supporting and fixing the movable support plate, thus achieving the purpose of providing auxiliary support when the baby is sitting upright in the baby bassinet stroller.

The invention relates to the technical field of lighting equipment, and particularly discloses a reflector which comprises a refraction cup, a shell and a light-transmitting plate, a grid array used for reflecting light is arranged on the inner wall of the refraction cup, the shell is detachably connected with the refraction cup, the light-transmitting plate is fixedly arranged at one end of the refraction cup, the light-transmitting plate is used for refracting the light, and the grid array is arranged on the inner wall of the refraction cup. And uniform light spots are formed. The lighting device has the effect that the problem that an existing lighting device is prone to generating a dazzle light phenomenon is solved.

This utility model relates to the field of electro-hydraulic proportional valve technology, specifically to a multi-directional electro-hydraulic proportional valve, including an electro-hydraulic proportional valve body. Two symmetrical fixing blocks are fixedly connected to the electro-hydraulic proportional valve body. A movable groove is formed on the side of each fixing block near the electro-hydraulic proportional valve body. A slider is slidably connected inside the movable groove. A protective frame is fixedly connected to the top of the slider. The protective frame has a U-shaped cross-section and is slidably connected to the surface of the electro-hydraulic proportional valve body. This allows a puller to slide into and out of the fixed groove, enabling the puller to fix and release the slider. This makes fixing the slider and protective frame easier and allows the protective frame and groove to more stably protect the plug of the electro-hydraulic proportional valve body. The protective plate and protective frame protect the plug of the electro-hydraulic proportional valve body, providing better protection when the valve body is not in use.

The utility model discloses a forest fire prevention water storage device with a water volume detection mechanism, which comprises a water storage tank and a cement pool, the water storage tank and the cement pool are both buried under the ground, the center of the inner wall of the bottom of the cement pool is provided with a water outlet, and the water outlet is communicated with the inside of the water storage tank through a sewer pipe. A water quantity detection control mechanism is arranged on one side of the water storage tank, and the cement pool is provided with a filtering water storage mechanism. The water storage tank and the cement pool are both buried under the ground, the occupied space of the water storage equipment can be saved, direct sunlight is reduced, evaporation of a water source is greatly reduced, water resources are saved, the water level sensor monitors the water amount in the water storage tank, when the external rainfall is small, stored water can be supplemented through tap water, and when the rainfall is abundant, the water can be saved. The cement pool can collect rainfall of the forest, and provides a water source for the water storage tank by filtering silt, so that water is automatically stored, and consumption of surface water resources is reduced.

The utility model discloses an anti-ultraviolet brocade cotton gray cloth, relates to the technical field of brocade cotton fabrics, and aims to solve the problem that the traditional brocade cotton gray cloth cannot give consideration to ultraviolet resistance and air permeability at the same time. According to the technical scheme, the brocade cotton gray cloth is characterized by comprising an anti-ultraviolet layer, a plurality of air holes distributed in an array mode are formed in the anti-ultraviolet layer, a plurality of shading strips are fixedly connected to the anti-ultraviolet layer, a plurality of ventilation grooves are formed in the shading strips, a circulation channel is provided for air to pass through the anti-ultraviolet layer through the grooves and the air holes, and the air permeability of the brocade cotton gray cloth is improved; the shading strips shield the air holes to reduce direct irradiation of ultraviolet rays penetrating through the air holes, and the arrangement of the breathable sections can also reduce the influence of the thickness of the supporting strips on the overall breathability of the fabric, so that the brocade cotton gray cloth has both breathability and ultraviolet resistance. According to the utility model, the stability of the overall anti-ultraviolet performance of the structure is enhanced by utilizing the characteristic of good light reflection of the nylon profiled fibers with the triangular cross sections.

The application discloses a kind of for electron irradiation accelerator beam under gas environment monitoring and processing method, it is related to electron irradiation accelerator technical field, including the following steps: ozone generated by electron beam irradiation is through shielding body upper side ventilation system first gas collection port, is transported to shielding body outer exhaust duct by exhaust duct in shielding body, most of probe is excluded from beam under high-dose irradiation environment, ensure stable operation, while ozone concentration and smoke state of the probe can be detected in beam under irradiation space.The application combines the design structure of shielding body and gas drainage method, realizes the real-time monitoring of electron beam irradiation space environment gas.According to the structural characteristics of shielding body, the ventilation and beam under environment detection system are integrated, the beam under gas environment detection problem is solved, the service life is prolonged, the irradiation accelerator operation stability is improved, the humidity is monitored by humidity sensor and the air supply amount is adjusted, the real-time monitoring is realized, and the pollution of harmful gas to irradiation space environment is reduced.

The cultural relic cabinet for the museum comprises a cabinet body, universal wheels are arranged at the bottom of the cabinet body, a first cavity is formed in the cabinet body, a damping assembly is arranged at the bottom of the first cavity, a box body is fixed to the upper portion of the damping assembly, a second cavity is formed in the box body, and a lifting assembly is fixed to the bottom of the second cavity. A rotating assembly is fixed to the top of the lifting assembly. A side groove is formed in the top of the first cavity, an electric sliding rail is fixed in the side groove, and a sliding plate transversely moving along the electric sliding rail is installed on the electric sliding rail. Damping and storage protection can be provided in the moving process of the cultural relic cabinet, the rotating and lifting functions can be achieved at the same time, and the display effect and the protection effect of the cultural relic cabinet are improved.

The utility model discloses a diffuse reflection ceiling lamp, which relates to the technical field of lamps, and comprises a lamp body and an extension part, the lamp body is provided with a reflection cavity, the reflection cavity is provided with an opening, a reflection plate is arranged in the inner wall of the reflection cavity, and the reflection surface of the reflection plate is an arc surface, so that light can be reflected along multiple directions, and the illumination range is increased; the extending parts are integrally formed on the lamp body and located on the two sides of the reflection cavity, light source plates are arranged on the sides, close to the openings, of the extending parts, diffusion plates are arranged between the light source plates and the reflection cavity, the diffusion plates can make light irradiated into the reflection cavity softer and more uniform, and the anti-dazzle effect is improved. The reflecting plate can reflect light rays and enable the light rays to be emitted out from the opening, the illumination function is achieved, direct irradiation of the light source plate is avoided, illumination light rays can be more uniform, glare is reduced, and the use experience is improved.

The utility model belongs to the technical field of distribution cabinets, and particularly discloses a distribution cabinet with a refrigeration structure, which comprises an equipment body, a protective frame is fixedly connected to the front side of the equipment body, a display screen and a control button of the equipment body are positioned in the protective frame, a moving groove extending to the outside of the protective frame is formed in the protective frame, and a storage box is arranged in the moving groove. According to the distribution cabinet with the refrigeration structure, a display screen and buttons of the equipment body can be protected through the protection plate and the protection frame, and the display screen and the buttons can be prevented from being damaged; the conditions that a display screen and buttons of the equipment body are directly exposed in the external environment, so that workers are likely to touch the display screen and the buttons of the equipment body by mistake, the temperature in the equipment body is adjusted, the refrigeration temperature of food placed in the equipment body is too high, and the food is damaged are reduced to a certain extent.

The invention relates to an urban bridge mid-division zone gap self-interpretation traffic safety facility design system, which comprises a longitudinal gap self-interpretation traffic safety device arranged in a mid-division zone on the upper layer of a viaduct and an indication guide device arranged on the lower layer of the viaduct, and is characterized in that the longitudinal gap self-interpretation traffic safety device comprises an anti-falling net and a self-interpretation anti-dazzle device; the anti-falling net and the self-interpretation anti-dazzle device are both fixedly arranged on a cross beam of the viaduct, the indicating and guiding device is arranged on the road surface under the viaduct, and the self-interpretation anti-dazzle device comprises shutter type shielding pieces, longitudinal ribs and transverse beams; the shutter type shielding sheet is fixedly arranged on a cross beam of the viaduct, the transverse beam is anchored on the side edge of the cross beam of the viaduct, and the longitudinal rib is anchored on the transverse beam. According to the invention, road surface projection points, lines and circles of sunlight with gaps in the middle are changed to be discontinuous, scattered and random, the driving interference to road surface drivers is reduced, a road surface indicating and guiding device is strengthened, the psychological expectation of the drivers is met, and easy and safe driving is realized.