1021results about How to "Increase wind speed" patented technology

The invention provides a combined wind power prediction method suitable for a distributed wind power plant. The method comprises the following steps: step 1, acquiring data and pre-processing; step 2, utilizing a training sample set and a prediction sample set which are normalized to build a wind speed prediction model based on a radial basis function neural network and predict the wind speed and variation trend of distribution fans at the next moment; step 3, building a distributed wind power plant area CFD (computational fluid dynamics) model and externally deducing the prediction wind speed of each fan in the plant area according to factors such as the terrain, coarseness and wake current influence of a distributed wind field; step 4, acquiring the power data of an SCADA (supervisory control and data acquisition) system fan of the distributed wind field; and step 5, adopting correlation coefficients. The invention firstly provides a double-layer combined neural network to respectively predict the wind speed and power. Models are respectively built through adopting appropriate efficient neural network types, and improved particle swarm optimization with ideas of 'improvement', 'variation' and 'elimination' is additionally added to optimize the neural network, so that the speed and precision of modeling can be effectively improved, and the decoupling between wind speed and power is realized.

Wind turbine with a rotor blade relatively insensitive to turbulence because it is more slender than prior blades and is nevertheless able to generate sufficient lift by virtue of the fact that flow enhancing elements such as vortex generators combat flow separation. The slenderness is defined by the chord numbers C and D of which C is defined as C=Ncrclrλ2 / R2, in which N is the number of blades, cr is the local chord, cl the lift coefficient, r the radial position, λ the tip speed ratio and R the rotor radius. Subsequently, the chord should be less than what follows from the equation C=M in which M=−1.19+9.74Cp−21.01Cp2+17.50Cp3 and Cp is the power coefficient. This wind turbine is subject to about 2-12% less operational loads and to about 5-40% reduced survival wind speed loads compared to classical designs.

The invention discloses a heat pump drying system for drying clothes by using a roller and a control method of the heat pump drying system. The system comprises a heat pump system for drying the clothes, and an air inlet and an air outlet which are communicated with the roller for accommodating the clothes respectively, wherein the heat pump system comprises a compressor, a condenser, a throttling device and an evaporator which are connected with one another in turn through a refrigerant circulating pipeline to form a circulating system; the heat pump system, the air inlet and the air outlet are integrated through an upper cover plate and a lower cover plate; an air deflector, the evaporator, the condenser and an air supply fan are arranged between the air inlet and the air outlet in turn to form an air circuit; the compressor is sealed in closed space by the upper cover plate and the lower cover plate; and the air supply fan is a direct-current fan with a controllable rotating speed, and the rotating speeds at different drying stages are correspondingly controlled to reduce the load of the compressor. The heat pump drying system has the characteristics of saving energy and shortening drying time.

A recreational blanket configured to maintain positional stability when superposed on a suitable support structure during periods of increased wind velocity. The recreational blanket further includes a body that is configured in a substantially planar manner. A plurality of compartments integrally formed with the body are configured to receive material therein in order to increase the weight of the recreational blanket. The compartments are proximate the peripheral edge of the body. The recreational blanket further includes a storage container configured to receive objects therein that is substantially water resistant.

A structure for sheltering and optimizing highway systems includes an arcuate structure extending over a highway and a cover over the structure to create an enclosure. The enclosure protects the highway and users of the highway from rain, snow and sun while the surrounding scenery remains visible to drivers. A number of different additions optimize use of the highway. For example, a plurality of solar panels are layered on the cover and wind turbines are used to create usable energy, an air current generation system reduces wind resistance on vehicles to increase gas mileage, and an elevated rail system transports many persons great distances along the highway.

The invention relates to an intelligent condensation-preventing environment regulating and controlling device. The device comprises a case, a semiconductor refrigeration chipset (7), a cold end radiator (14), a cold end condensation fan (5), a hot end and cold end heat insulation device (9), and a hot end cooling device. The semiconductor refrigeration chipset (7) is arranged in the case, and electrode plates at the two ends of the semiconductor refrigeration chipset produce a temperature difference to form a cold end and a hot end when the semiconductor refrigeration chipset is powered on; the cold end of the semiconductor refrigeration chipset is provided with the cold end radiator, the cold end condensation fan installed in the case rotates and produces negative air pressure to suck air and then blow the air to the cold end radiator; the hot end of the condensation semiconductor refrigeration chipset is provided with the hot end cooling device which discharges heat produced at the hot end of the semiconductor refrigeration chipset; the hot end and cold end heat insulation device separates the hot end and the cold end of the semiconductor refrigeration chipset in the case so as to facilitate dehumidification. Further, the invention further provides an intelligent condensation-preventing environment regulating and controlling system, air inside the controlled environment cannot meet the condition for producing condensation, and therefore the condensation is well prevented from being produced.

The invention discloses a drying unit of a nitrogen-source heat pump, comprising a drying box, a control system and an outdoor condenser, wherein the drying box comprises a box body, a heat pump chamber and a drying chamber; and the heat pump chamber and the drying chamber are arranged in the box body. The drying unit forms drying gas adjusting equipment with a nitrogen source, heat-pump equipment and a nitrogen device form a nitrogen heat-pump combining device so as to construct a closed circulation loop which adopts nitrogen as a medium to dry materials and effectively control the content of nitrogen in the drying chamber; and high-viscosity glass cement is used for sealing internal and external gaps of a drying room, a ventilating channel is modified, and a baffle, an arc-shaped air guide plate and an air uniformizing plate are added to enable the gas drying medium to be uniformly distributed in the drying chamber under certain air speed. The drying unit disclosed by the invention has the beneficial effects that the heat pump and a nitrogen combining device are used, the advantages of no pollution and low energy consumption of the heat pump can be fully utilized, the materials are dried under the condition of adopting nitrogen as a drying medium, the oxidation of the materials is prevented, the nutritional ingredients of the materials are retained, and the quality of dried products is improved.

An aerial platform comprising a kite providing a level of directional stability when elevated by the wind, and an inflated balloon attached above the kite with a cord. The payload is attached to the kite. The physical separation of the balloon from the kite isolates the payload from shocks generated by the balloon. Additional isolation is provided by use of an elastic attachment cord. Electric power is supplied to the aerial platform by means of an optical fiber receiving optical power from a ground-based source, and conversion of the optical power to electrical power on board the platform. In order to provide a strong tether line, the optical fiber is plaited with a jacket braided from high tensile strength fibers. An aerial laser transmitter is described using a ground based laser source transmitting laser power through an optical fiber to an aerial platform for transmission from the platform.

The invention discloses a high-light-concentration solar-energy and hot-airflow wind / solar coupled generating system, comprising a turbine generator, turbine fan blades, a secondary-stage turbine wind generator, a third-stage turbine wind generator, a plurality of vertical-axis wind generator, a vertical-axis wind turbine, a high-light-concentration heat collecting lens, a diversion-tower inner-wall panel heat retainer, a serpentine-tube type heat collector, a Fresnel light concentrator, a high-light-concentration gallium arsenide photovoltaic cell system and a film photovoltaic cell system. The high-light-concentration solar-energy and hot-airflow wind / solar coupled generating system has the advantages that the high-light-concentration heat collection efficiency is higher than air temperature of a conventional chimney-type heat-power-generating heat collecting shed, after a high-temperature hot airflow enters the diversion tower, air speed is improved by 5-10m / S, and the generated power of turbines is improved by 30% for work application; the height of the diversion tower is reduced by more than 60%; the air negative pressure is increased, the air density is decreased, and a hot-airflow chimney effect is enhanced; the turbines are coupled with the vertical-axis generator to make up the motive power compensation caused by air speed reduction at night; the vertical-axis wind turbine drives the turbine generator to simultaneously or alternatively and independently drive the turbine generator to rotate for power generation through a gear; and thus, the all-weather continuous power generation is realized.

Wind turbine with a rotor blade relatively insensitive to turbulence because it is more slender than prior blades and is nevertheless able to generate sufficient lift by virtue of the fact that flow enhancing elements such as vortex generators combat flow separation. The slenderness is defined by the chord numbers C and D of which C is defined as C=Ncrclrλ2 / R2, in which N is the number of blades, cr is the local chord, cl the lift coefficient, r the radial position, λ the tip speed ratio and R the rotor radius. Subsequently, the chord should be less than what follows from the equation C=M in which M=−1.19+9.74Cp−21.01Cp2+17.50Cp3 and Cp is the power coefficient. This wind turbine is subject to about 2-12% less operational loads and to about 5-40% reduced survival wind speed loads compared to classical designs.

The invention discloses a wind fin plate for improving the pneumatic performance of a bridge. The wind fin plate is arranged on an accessory structure of a main structure at a certain included angle; the wind fin plate can be designed in an equal section along the extending direction of the main structure or is divided into a plurality of sections to be arranged on the main structure at intervals; the main structure can be a girder of the bridge and the accessory structure can be a web plate of the bridge, wherein the girder of the bridge is a steel box girder or concrete box girder, and the web plate is a straight web plate or an inclined web plate; and the main structure also can be a bridge tower and the accessory structure also can be a tower column wall plate. The wind fin plate can greatly improve the pneumatic performance of the bridge, improve flutter stability and galloping stability, and effectively reduce or inhibit vortex-induced vibration so as to improve the wind resistance of the bridge; and the wind fin plate can be widely applied to members such as girders and bridge towers of bridges.

Disclosed are systems and method that generally relate to the capture of wind energy by small wind turbines mounted on buildings with gabled roofs. Wind energy harnessing system for gabled roof buildings having a roof ridge including a low silhouette visually appealing enclosure mounted along the roof ridge of a building and extending down both sides of the roof forming the ridge. The enclosure includes airflow guides defined by columns extending down a length of both sides of the building roof forming sidewalls and a roof formed of pivoting louvers above the columns. A paddle-wheel type wind turbine consists of a multiple-bladed cylindrical shaft that contacts the wind and provides rotational work mounted within the enclosure and a generator connected to the wind turbine for converting the rotational work from the wind turbine to electrical energy. The enclosure for the wind turbine functions to capture wind and directs the airflow via the airflow guides before it reaches the ridge.

The invention discloses a fan which comprises a base, an air outlet element and an airflow generation device, wherein an air inlet cavity is formed in the base, and air inlets communicated with the air inlet cavity are formed in the base; the air outlet element is arranged on the base, an air outlet cavity communicated with the air inlet cavity is formed in the air outlet element, and a plurality of slits extending in the length direction of the air outlet element are formed in the air outlet element so as to form a plurality of air outlets communicated with the air outlet cavity; the airflow generation device is arranged in the air inlet cavity, absorbs outside air into the air inlet cavity and guides the air to the air outlet cavity. According to the fan, exposure of fan blades can be avoided, and the fan has the advantages of use safety, easiness in cleaning, large air volume, high air speed and the like.

The invention discloses a manual coal-mine-tunneling ventilation-air-cylinder air outlet control device. The manual coal-mine-tunneling ventilation-air-cylinder air outlet control device comprises a support, a hardness air cylinder and a guiding rail. The hardness air cylinder penetrates through the support, the guiding rail is arranged above the support, hanging cables are connected to the top of the guiding rail, a sleeve is fixed to the top of the support, a sliding block is fixed on the sleeve and matched with the guiding rail, a universal joint is arranged between the top of the hardness air cylinder and the support, a rotating piece of the universal joint extends into the sleeve, a swinging piece of the universal joint is fixed to the top of the hardness air cylinder, a plurality of blades are arranged on an outlet in the hardness air cylinder and form a circular-truncated-cone-type structure, the small end of the circular-truncated-cone-type structure is close to the hardness air cylinder, a blade opening-and-closing mechanism is arranged on the hardness air cylinder, and a turning adjusting rod is fixed to the bottom of the hardness air cylinder. The manual coal-mine-tunneling ventilation-air-cylinder air outlet control device is convenient to install and use and high in safe reliability, the problems that as the local ventilator power is continuously improved, and the diameter of the air cylinder is increased, circulation air is caused, the local air speed of a working area is super high, and the working condition is poor are solved, and an air-flowing field in a roadway can be reasonably controlled.

The invention discloses a loudspeaker sound generation hole dedusting method and device and terminal equipment. The method comprises the steps that pre-stored dedusting audio is read, then the dedusting audio is played through a loudspeaker and the sound generation hole of the loudspeaker is enabled to have the maximum air speed so that the dust deposited on the position of dust screen cloth can be blown away by airflow of the sound generation hole, the manual cleaning process can be avoided for the user, and the technical problem of inconvenient operation of the dedusting mode for the sound generation hole of the loudspeaker in the prior art can be solved.

The invention relates to an air conditioner control method, an air conditioner control system and an air conditioner. The air conditioner control system comprises an infrared array sensor, an air conditioner height acquiring module, a sensor field-of-view acquiring module and a central processing module, the infrared array sensor is used for acquiring temperature image data of current environment, the air conditioner height acquiring module is used for acquiring a vertical height H between the air conditioner and the ground, the sensor field-of-view acquiring module is used for acquiring field-of-view data of the infrared array sensor, the central processing module is used for extracting heat source position information in the temperature image data, calculating a horizontal distance D and a heat source height L between a heat source and the air conditioner according to the heat source position information, the vertical height H of the air conditioner and the field-of-view data of the infrared array sensor and controlling running state of an air outgoing mechanism of the air conditioner according to the horizontal distance D and the heat source height L. Cost is not increased, control is simple, and air supply control aiming at limited areas can be realized.

The invention relates to the technical field of air conditioners, in particular to a control method of an air conditioner. The control method of the air conditioner aims to solve the problems that anexisting air conditioner is high in energy consumption and poor in comfort when an electric heater is used for auxiliary heating. Therefore, the control method of the air conditioner comprises the following steps that the indoor environment temperature and the set temperature are obtained in heating mode; the size of the indoor environment temperature and the first temperature threshold value is compared, and / or the difference between the set temperature and the indoor environment temperature and the preset difference value are compared; according to the comparison result, the wind speed of anair supply fan and / or or the opening degree of a throttling element are selectively adjusted. By means of the control mode, the opening frequency and time of the air conditioner electric heater can be strictly controlled, compared with the prior art, the air conditioner has the advantages that the auxiliary heating of the electric heater can be started less, and the electricity consumption cost of a user is reduced while the comfort of the user is ensured.

The invention relates to a fresh air purifying system with an intelligent automatic control function. The fresh air purifying system comprises an air inlet device, an air outlet device, an air channel, an air filtering device, a fresh air device and an intelligent control module. The air inlet device is provided with an air inlet and an axial flow fan. The air outlet device is provided with an air outlet and a centrifugal fan. The air inlet device and the air outlet device are connected through the air channel. The air filtering device is arranged in the air channel. The fresh air device is opposite to the air inlet, and comprises a multi-purpose air opening communicating with the outside and an air regulation plate rotationally arranged in the multi-purpose air opening. The intelligent control module is configured to enable the fresh air purifying system to operate in different modes according to received air quality information. The air purifying system can be utilized for lowering noise, dissipating heat and flexibly adjusting the fresh air amount between non-fresh air and pure fresh air, optimum indoor air quality parameters are automatically achieved and maintained in real time, and meanwhile electric energy is saved.

The invention discloses a power generation system with wind gathering power generation and ocean current power generation integrated into one. The power generation system comprises a floating body, wherein a wind gathering power generation unit and an ocean current power generation unit are arranged on the floating body. The floating body is a ship-shaped cavity, and the ocean current power generation unit is placed in the floating body. The ocean current power generation unit includes an ocean current inlet and a wake current outlet, wherein the ocean current inlet and the wake current outlet are formed at two ends of the floating body, and an ocean current speeding-up pipeline is connected between the ocean current inlet and the wake current outlet. A conflux bucket is arranged at the position of the ocean current inlet. An air compressor, a power transmission and transformation device, a water turbine and a motor are arranged in a float above the ocean current speeding-up pipeline. A leading-out terminal of the motor is connected with the power transmission and transformation device by means of a cable. A water bucket of the water turbine extends into the ocean current speeding-up pipeline. A floating cabin is arranged in the floating body below the ocean current speeding-up pipeline. The wind gathering power generation unit includes a tower body, and a wind gathering head is arranged at the upper end of the tower body. A wind gathering pipeline is arranged in the tower body. A draught fan and a motor are arranged at the lower end of the wind gathering pipeline. A leading-out terminal of the motor is connected with the power transmission and transformation device by means of the cable. The power generation system with the wind gathering power generation and the ocean current power generation integrated into one has the advantages of being easy to construct and low in construction cost.

A wind jet turbine with fan blades located on an inner and outer surface of a cylinder allowing wind or liquid to pass through the inner and outer blades and results in increased power generation efficiency in a first embodiment, a wind jet turbine is disclosed, comprising a first set of fan blades, a plurality of magnets that each has a magnetic field, a cylinder having an inside and outside surface that supports the first set of fan blades on the inside surface and coupled to the plurality of magnets, and at least one cable winding located apart from the magnets, such that the rotation of the cylinder results in the movement of the magnetic field across the at least one cable winding.

A turbomachine component, particularly a gas turbine engine component, has at least one part built in parts from a curved or planar panel, particularly a sheet metal, the part having a plurality of cooling channels via which a cooling fluid, particularly air, is guidable, wherein at least one of the plurality of cooling channels has a continuously tapered section. The at least one of the plurality of cooling channels has a single inlet port from a first surface of the panel and a single outlet port for the cooling fluid to another surface, particularly a surface opposite to the first surface, or to the first surface. Further the panel is built via laser sintering or laser melting or direct laser deposition. A gas turbine engine is equipped with such a component. A method of manufacturing includes incorporating cooling channels having a continuously tapered section.

A dryer with a modular blower assembly that allows easy assembly and field servicing through replacement of the blower assembly as a unit. The blower assembly generally includes unique motor mounts that allow a motor assembly to be secured within a housing without being directly fastened to other members.

The invention provides a belt-type temperature-variable type grain heat pump drying device which comprises at least three drying modules which are connected in sequence. Each drying module comprises a heat pump system, an air flue system connected with the heat pump system and a drying channel connected with an air supply opening and an air return opening of the air flue system. By means of the belt-type temperature-variable type grain heat pump drying device, the phenomenon of grain crack can be effectively prevented, quality of dried grains is improved, and the yield of the dried grains is raised; cooling is conducted directly after the grains are dried, and the defects that natural ventilation cooling time is long, and the grains absorb environmental moisture are overcome; time is saved, work efficiency is improved, the grains are dried in a layered manner in the drying channel, space can be effectively utilized, quality of the grains is improved, and the yield of the grains is raised.