12results about How to "Reduce wind loads" patented technology

The application relates to an openable landscape bench for collecting rainwater, and belongs to the technical field of garden landscape facilities. The landscape bench comprises a circular ring type seat surface, the inside of the circular ring type seat surface is fixedly connected with a hollow main support column, the top end of the hollow main support column is fixedly connected with a central umbrella rib base, the outer periphery of the central umbrella rib base is fixedly connected with an inverted umbrella type roof, and the outer periphery edge of the inverted umbrella type roof is fixedly connected with a plurality of annular frames. The application has the beneficial effect that in the rainy season, the inverted umbrella type roof is an umbrella surface structure that is inclined to the center as a whole, rainwater can be concentrated and flowed into the central umbrella rib base under the action of gravity, and gradually flowed into a storage assembly along a water collecting pipe in the hollow main support column, so that the collection and storage functions of the landscape bench are realized. The structure has the functions of sun-shading, rain-shielding and efficient water collection, improves the practicability and maintenance convenience of the device, and greatly improves the land use efficiency and landscape coordination of public space.

This invention discloses a wind-resistant reinforced intelligent utility pole, which relates to the field of power construction technology. A connecting base is positioned on the upper side of the utility pole and remains fixed thereto. The lighting fixture is fixedly connected to an external support rod, which in turn is fixedly connected to a mounting frame. The mounting frame is inserted from the top of the utility pole, allowing it to mate snugly with the connecting base. A threaded connection exists between the mounting frame and the connecting base, improving installation efficiency and supporting the lighting mechanism. A rotating device is positioned on an annular groove. When the utility pole encounters strong winds, the wind force acts on the rotating device, causing it to rotate and reducing the frontal wind force and wind load. Furthermore, when the utility pole is installed on the adjustment device, the pole aligns the external plate with the U-shaped plate. The external plate and the U-shaped plate are then plugged in and threaded together, enhancing the fixation effect between components.

The application discloses a photovoltaic power generation system and relates to the photovoltaic power generation field.The device comprises a plurality of photovoltaic component module units and a plurality of fixed counterweight blocks; wherein the photovoltaic component module unit comprises a wedge-shaped groove and a connecting frame.The photovoltaic component is fixed to the notch position at the bottom of the wedge-shaped groove, the photovoltaic component module units are fixedly connected through the connecting frames, the photovoltaic component arrangement is formed, a fixed counterweight block is arranged between two adjacent photovoltaic component module units, and the photovoltaic component arrangement is pressed above the lower platform through the fixed counterweight block.The structure of the device simplifies the photovoltaic system component, reduces the installation workload, and improves the power generation efficiency.

The utility model discloses a wind power energy storage windproof device for a mobile ocean platform, which is characterized in that an impeller is arranged in a windproof area of the ocean platform, and wind power data of the windproof area of the ocean platform is detected by a wind power detection component; the controller judges and outputs a current operation mode according to the wind power data, a pre-stored wind power operation rule and an obtained operation instruction, when the external wind power is small, the impeller is in a power generation mode, the controller controls the impeller to sequentially drive the reduction gearbox and the direct-current generator to generate power, and then the power is stored in the storage battery; the impeller is in a windproof mode, the controller controls the storage battery and drives the impeller to rotate through the impeller motor, and hedging and collision are carried out on natural wind, so that the wind load acting on the windproof area of the ocean platform is reduced, the force of wind power on the platform under the severe sea condition is effectively reduced, and the safety coefficient is improved.

The application discloses a kind of single-blade card paddle working condition under wheel hub system limit load control method and system, this method is when wind turbine generator set normal operation detects whether blade is in card paddle state, when detecting card paddle failure, shutdown action is carried out, wind turbine generator set first enters load dynamic balance control mode, then calculates the current yaw error in shutdown process, yaw control is carried out to wind turbine generator set based on yaw error, so that wind turbine generator set is far away from directly facing wind direction, reduce the wind load of wind turbine generator set, and then reduce generator speed, when the load of wheel hub system of wind turbine generator set is less than preset threshold, wind turbine generator set carries out unified variable pitch rate feathering control, so that the load of wheel hub system meets design requirement, improve the safety of unit, and then reduce the design cost of wheel hub system.

The invention discloses a modular photovoltaic shed power station rapid assembling and supporting device, and belongs to the field of photovoltaic power stations, the modular photovoltaic shed power station rapid assembling and supporting device comprises a bottom plate, an electric rotating disc is arranged at the upper end of the bottom plate, a mounting seat is fixedly connected to the upper end of the electric rotating disc, a mounting rod is rotatably connected to the upper end of the mounting seat, and the outer wall of the mounting rod is fixedly connected to a mounting frame; a photovoltaic panel is arranged in the mounting frame; the upper end of the electric rotating disc is fixedly connected with a fixing plate, and the outer wall of the fixing plate is fixedly connected with a motor. According to the invention, the motor drives the gear and gear block linkage mechanism, thereby achieving the automatic adjustment of the inclination angle of the photovoltaic panel, and effectively improving the sun tracking precision and power generation efficiency. Meanwhile, a pure mechanical wind power induction and disconnection protection mechanism is utilized, a driving part is automatically separated in strong wind, the photovoltaic panel is prevented from being located at a high-risk windward angle, power generation optimization and passive safety protection functions are achieved, extra energy consumption is not needed, and the structure is simple and reliable.

The utility model relates to the technical field of photovoltaic power generation, in particular to a distributed photovoltaic power generation device which comprises a base, a windproof mechanism is arranged above the base, the windproof mechanism comprises a reinforcing groove formed in the surface of the base, and a connecting plate is arranged above the base. The bottom end of the connecting plate is fixedly connected with a reinforcing block which slides in the reinforcing groove, the top end of the connecting plate is fixedly connected with a windproof wall, the outer side of the windproof wall has radian, a clamping groove is formed in the inner side wall of the windproof wall, a wear-resistant shell is clamped in the clamping groove, and a filling plate is wrapped in the wear-resistant shell. The base is matched with the windproof mechanism, assemblies such as the windproof wall are supported through the connecting plate, connection between the connecting plate and the base is reinforced through matching of the reinforcing groove and the reinforcing block, and the windproof wall is further reinforced through matching of the wear-resistant shell and the supporting plate; and finally, the direction of wind blowing on the surface of the windproof wall is changed by utilizing the radian of the windproof wall, so that the wind load is reduced.

The invention discloses a photovoltaic support self-adaptive adjusting and reinforcing device, which relates to the technical field of photovoltaic power generation, and comprises a supporting seat, a detection mechanism arranged at the top of the supporting seat and used for detecting the external wind speed and the inclination degree of the supporting seat, and an inclination angle adjusting mechanism arranged at the top of the supporting seat and used for adjusting the inclination angle of the supporting seat. And the inclination angle adjusting mechanism is arranged in the supporting seat. According to the photovoltaic support self-adaptive adjusting and reinforcing device, the wind level is monitored in real time through the wind speed sensor, when the wind speed exceeds the critical value, the control center rapidly triggers the dip angle adjusting process, the switching mechanism is accurately connected with the power transmission link, the worm and worm gear speed reduction pair drives the lead screw to drive the traction rod to act, and the photovoltaic panel is adjusted to be in the horizontal state from the power generation dip angle; the windward area and the wind load are greatly reduced, and the self-locking characteristic of the worm and the worm gear and the mechanical locking of the electromagnetic brake are matched, so that the angle springback under strong wind and the gliding of the sliding piece can be effectively prevented.

This invention relates to the field of marine photovoltaic power generation technology, and provides a semi-submersible marine photovoltaic support structure, comprising several modular floating bodies. The advantages of this invention are: the steel pipes wrapped with glass fiber reinforced composite material improve the stability of the structure under earthquakes and waves; the use of glass fiber reinforced composite material significantly enhances its resistance to marine corrosion and effectively reduces the structure's self-weight, enabling it to float on the sea surface; and the modular floating bodies are connected to anchors on the seabed via anchor chains, ensuring a stable position of the device in the ocean. By rotating the photovoltaic panel components with three truss supports on the same plane, the tilt angle of the photovoltaic panel components can be adjusted. This not only optimizes power generation efficiency according to seasonal and solar radiation changes, but also allows the photovoltaic panel components to be adjusted to a horizontal position under extreme weather conditions such as typhoons, thereby significantly reducing wind load and improving the structure's disaster resistance.

The utility model discloses a fixing and mounting device, particularly discloses a fixing and mounting device for a peripheral curtain wall of a building, and belongs to the technical field of design and manufacturing of mounting process equipment for accessories of outer walls of buildings. The fixing and mounting device for the peripheral curtain wall of the building can effectively reduce and even avoid mounting gaps and greatly reduce wind load. The fixing and mounting device comprises a peripheral curtain wall and further comprises a connecting block, a connecting and mounting structure and a fixing and supporting base, the connecting block is detachably and fixedly mounted on the inner side face of the peripheral curtain wall, and the fixing and supporting base is detachably and fixedly mounted at the specified position of the wall face, where the peripheral curtain wall needs to be mounted, of a building. The connecting block and the fixed supporting base are detachably connected into a whole through a connecting and mounting structure; and the projections of the connecting block, the connecting mounting structure and the fixed supporting bottom which are sequentially arranged on the wall surface of the building are smaller than the projection of the peripheral curtain wall on the wall surface of the building at the corresponding position.

The application discloses a heat pump participating type hybrid cooling system for a wind turbine generator unit and a control method thereof, which comprises a nacelle cooling water circulating unit, a radiator cooling water circulating unit, a heat pump unit, a first cooling liquid reversing valve and a second cooling liquid reversing valve. The nacelle cooling water circulating unit is connected with the radiator cooling water circulating unit through the heat pump unit, and the forward and reverse operation of refrigerant is switched through the heat pump unit. The two ends of the nacelle cooling water circulating unit are connected with the two ends of the radiator cooling water circulating unit through the first cooling liquid reversing valve and the second cooling liquid reversing valve respectively, and the flow direction of the cooling liquid is controlled through the opening of the first cooling liquid reversing valve and the second cooling liquid reversing valve. The application can effectively compensate the heat dissipation performance of a natural wind cooling radiator under the condition of medium and low wind speed, improve the economy of the wind turbine generator unit, and realize effective preheating of the wind turbine generator unit through the characteristics that the heat pump can switch the forward and reverse operation.

This application relates to the field of prefabricated building technology, providing a prefabricated house structure including a subbase, foundation, prefabricated walls, and roof. The roof includes a top floor slab and a windproof device. The windproof device includes a shielding component, which comprises multiple sliding rods and multiple shielding parts. One end of each sliding rod is slidably mounted on the top floor slab, and the other end is slidably mounted on the prefabricated wall. Each shielding part is connected to two adjacent sliding rods. The windproof device has a windproof state where multiple sliding rods move multiple shielding parts to form an angle of retraction opposite to the incoming wind for wind protection, and a sun-exposed state where multiple sliding rods fold and retract the shielding parts. The prefabricated house structure provided by this application reduces wind load through the angle of retraction in the windproof state, thus improving the technical problem in related technologies where prefabricated house structures are difficult to adapt to wind loads from different wind directions during environmental changes, leading to house damage.