5results about How to "Resistant to bending" patented technology

The utility model provides a photovoltaic assembly panel and a photovoltaic assembly, and belongs to the technical field of photovoltaic assemblies, a weight reduction cavity is arranged in the panel, and the weight reduction cavity penetrates through two opposite side surfaces of the panel. According to the utility model, the weight reduction cavity is arranged in the panel to reduce the weight of the panel, so that the self weight of the photovoltaic module can be reduced, the problem that the photovoltaic module is bent downwards due to the heavy weight of the panel is avoided, and the power reduction of the module due to the bending of the photovoltaic module can be further avoided; and the problem that the service life is shortened due to hidden crack defects caused by bending is solved. The weight reduction cavity is arranged in the panel, so that the panel has bending resistance, and the bending resistance of the photovoltaic module is enhanced; the weight reduction cavity is formed in the panel, refraction can be generated when sunlight irradiates, the light absorption capacity of the assembly is improved, and therefore the power of the assembly is improved; and the weight reduction cavity is arranged in the panel, so that the transportation cost and the installation difficulty of the photovoltaic module can be reduced.

This utility model relates to the field of building engineering technology, specifically a fireproof and heat-insulating curtain wall for building engineering, including a curtain wall body, a sealing plate, and a support plate. Each curtain wall body has a fixing plate at its top, and long bolts pass through pre-drilled openings at the top of the fixing plates. Sealing plates and support plates are respectively provided at the top and bottom between two sets of curtain wall bodies. A fireproof layer and a reinforcing layer are respectively provided between the two sets of curtain wall bodies. Bolts are installed and tightened at the bottom front side of each curtain wall body through pre-drilled openings. By inserting a concave locking block between two sets of slots, inserting a plug-in post wrapped with an anti-slip plate into the plug-in hole, and then pressing the two ends of the locking block into the slot, the two sets of curtain wall bodies can be quickly spliced ​​and installed, improving installation efficiency and thus practicality. The sealing layer between the two sets of curtain wall bodies can seal the joint gaps, further improving the sealing performance.

The application relates to a replaceable optical fiber monitoring cable and a replacement method thereof, and belongs to the technical field of optical fiber monitoring. Step one: when the optical fiber in the monitoring cable needs to be replaced, a part of the outer tube, the stainless steel wire layer and the inner tube at one end of the monitoring unit in the monitoring cable are peeled off in sequence, so that one end of the optical fiber unit to be replaced is exposed; step two: aramid yarn at one end of the exposed optical fiber unit to be replaced is peeled off, and the peeled aramid yarn and aramid yarn in the optical fiber unit to be installed are uniformly wound together, and the two are integrated; step three: the other end of the optical fiber unit to be replaced is uniformly pulled out, and the optical fiber unit to be replaced is uniformly wound on the take-up frame at a constant speed; the optical fiber unit to be installed is uniformly released through the pay-off frame at a constant speed, the optical fiber unit to be installed is pulled and introduced into the monitoring cable, and the replacement of the optical fiber is realized. The application can quickly replace the optical fiber, saves time and effort, and ensures that online monitoring can be continuously carried out during the use of the overhead cable.

The invention relates to a method for preparing a patterned molybdenum dioxide thin film through laser induction and a flexible electronic device, and belongs to the technical field of functional material preparation and processing, precursor ink containing molybdenum trioxide nanoparticles, polyvinylpyrrolidone and isopropanol is prepared, a substrate is coated with the precursor ink to form a precursor thin film, and the patterned molybdenum dioxide thin film is prepared. And after drying and curing, carrying out laser direct writing reduction sintering on the precursor film, and reducing and sintering into molybdenum dioxide by utilizing a photothermal effect generated by surface plasmon resonance. The invention aims to overcome the dependence of a traditional process on a high-temperature vacuum environment, and provides a method for efficiently preparing a molybdenum dioxide film with high conductivity and biocompatibility in an environment atmosphere in a patterning manner, and a multifunctional flexible electronic device is constructed based on the film.

The utility model provides a kind of organic silicon light-transmitting leather, organic silicon light-transmitting leather is used for attaching to target object, it includes 3D mesh material layer, base layer, light-transmitting organic silicon layer that are sequentially arranged, and pattern layer is set on light-transmitting organic silicon layer or base layer, pattern layer is set on the side of light-transmitting organic silicon layer or base layer close to target object, and the material of base layer is TPU or PET.In the utility model, transparent organic silicon layer and base layer both have the nature of light transmission, pattern layer can be formed into different patterns, and part of light can be blocked, so that different patterns can be observed by light from the outside.