17 results about "Thermal wind" patented technology

The invention discloses a blade state monitoring device for a wind driven generator and the wind driven generator, and relates to the field of data monitoring, and the blade state monitoring device comprises a device integration multi-mode sensor module, a self-cleaning deicing module, a lightning stroke monitoring module, an edge calculation module, an anti-typhoon monitoring module, an energy supply module and a communication gateway module. Strain, vibration and temperature sensors are arranged at the root, the tip and the surface of the blade, and an icing detector is arranged at the front edge. And deicing is realized through hot air injection and the nano coating. And a lightning sensor and ultraviolet imaging are used for positioning lightning stroke. And an AI chip is arranged in the edge computing node to diagnose damage. The fiber grating sensor monitors typhoon strain. The solar film and the miniature wind driven generator supply power. And the communication module supports LoRaWAN and Beidou short messages. And the far-end intelligent diagnosis module predicts the service life through machine learning and provides maintenance suggestions. The system has the advantages that the blade state is accurately monitored in real time through the integrated multi-mode sensor and module technology, operation safety is guaranteed, the service life of equipment is prolonged, and efficient utilization of clean energy is facilitated.

The application relates to the technical field of air conditioners, and discloses a control method for an air conditioner, which comprises the following steps: obtaining the current environmental temperature of a space associated with the air conditioner when the air conditioner is running in a refrigeration mode; and controlling the rotating speed of a flow guide device to adjust the heat exchange efficiency in a target time period by adjusting the mixing speed of natural wind and heat exchange wind when the absolute value of the difference between the environmental temperature and a temperature threshold is less than a critical threshold. The target time period represents the time period during which the environmental temperature is updated from the current environmental temperature to the temperature threshold. When the difference between the current environmental temperature and the target temperature is small, the heat exchange efficiency of the heat exchange terminal is improved to reduce the power consumption of the air conditioner. The application further discloses a control device for the air conditioner, the air conditioner and a storage medium.

The invention provides a wind field inversion method and system based on multi-source fusion and physical collaborative modeling, and belongs to the technical field of atmospheric science and remote sensing, and the method comprises the steps: obtaining and carrying out the time-space alignment of a GNSS radio occultation refractive index profile, a GNSS reflection measurement sea surface wind vector, a foundation GNSS zenith total delay, a radar wind profile and mobile platform observation data; constructing a standardized observation vector; the observation vector is input into a physical information neural network, a loss function comprises a data fitting item and a physical constraint item composed of a heat-to-wind relation, a mass continuity equation and a vortex equation, and observation data and an atmospheric physical rule are fitted at the same time; dynamically adjusting the fusion weight of each observation source based on the weather type identification result; and finally, outputting a three-dimensional wind field with uncertainty quantization and derivative products. According to the invention, high-precision, high-resolution and physically credible three-dimensional wind field inversion is realized, and the inversion robustness and application value under complex weather conditions are significantly improved.

The application discloses a thermal type wind speed and direction sensor based on thermistors and thermoelectric piles and a working method thereof. The sensor structure comprises a thermistor, a thermoelectric pile, a heating resistor, a silicon substrate and a measurement and control IC. The heating resistor is square and located at the center of the substrate. Four thermistors and a thermoelectric pile parallel to the side edges of the heating resistor are distributed on the four sides of the heating resistor. The four parallel thermistors are connected to form a Wheatstone full-bridge temperature measurement structure, and the two parallel thermoelectric piles are connected to form a thermoelectric pile temperature measurement structure. The measurement and control IC is distributed at the four corners of the substrate and connected to the temperature measurement structure formed by the heating resistor, the thermoelectric pile and the thermistor, and is used for driving the detection structure and processing the output signal thereof. The application adopts a CMOS process, and the thermistor and the thermoelectric pile structure are redundant to each other, so that the wind speed and direction detection precision can be improved.

The invention belongs to the technical field of wafer processing equipment, and discloses wafer drying equipment which comprises a centrifugal cavity, a wafer bearing device is arranged in the centrifugal cavity, and the wafer bearing device comprises a wind shaft and a wafer bearing frame connected to the wind shaft; the wafer bearing frame comprises a plurality of wafer bearing layers arranged in the axial direction of the wind shaft, and each wafer bearing layer comprises a plurality of wafer bearing positions arranged in the circumferential direction of the wind shaft; the axis of the wind shaft is collinear with the rotating axis of the centrifugal cavity; a hot air channel is formed in the air shaft and comprises an axial air scattering channel and a radial air scattering channel, the axial air scattering channel extends in the axial direction of the air shaft, and the radial air scattering channel extends in the radial direction of the air shaft and communicates with the axial air scattering channel; and a plurality of radial air dispersing channels are arranged along the axial direction of the air shaft. By the adoption of the structure, centrifugal drying and hot air type drying are achieved at the same time, so that the wafer drying efficiency is effectively improved, and secondary carrying pollution is fundamentally avoided.

The invention discloses an air conditioner and a control method and device thereof, a storage medium and a computer program product. The method comprises the steps that in a heating mode, whether the air conditioner needs to enter a defrosting mode of the air conditioner or not is determined; if yes, the first four-way valve is controlled to reverse, the second four-way valve is controlled not to reverse, the control switch is switched off, the opening degree of the indoor throttling device is the preset maximum opening degree, the air gear of the indoor fan is the preset lowest air gear, and the outdoor fan is stopped; if not, the first four-way valve is controlled not to reverse, the second four-way valve is controlled not to reverse, the control switch is switched on, the opening degree of the indoor throttling device is the preset maximum opening degree, the air gear of the indoor fan is the air gear set by the user, and the outdoor fan operates. According to the scheme, the control switch is arranged on the pipeline where the valve port, leading to the outdoor heat exchanger, of the four-way valve is located, after the air conditioner enters the defrosting mode, the control switch is controlled to be switched off, the four-way valve is controlled not to reverse, hot air is blown out indoors during defrosting, the defrosting temperature drop is small, and the comfort of a user is improved.

The invention belongs to the technical field of resource utilization, and particularly discloses siloxane modified wind power blade recycled powder as well as a modification method and application thereof, and the modification method comprises the following steps: carrying out mechanical crushing treatment on wind power blade waste; adding a silane coupling agent into the ethanol-deionized water mixed solution to obtain a pre-hydrolysate; adding a catalyst into the treated recycled powder pre-hydrolysate, continuously stirring for 10 minutes to promote the completion of the condensation reaction, and finally forming a stable and compact silane coating layer; and after the reaction is finished, carrying out solid-liquid separation, and drying the obtained solid with hot air at 60-80 DEG C for 6-12 hours to obtain the surface-modified wind power blade powder. According to the siloxane modified wind power blade recycled powder and the modification method and application thereof, the modification method has the advantages of being simple and convenient in process, low in energy consumption, high in adaptability, excellent in enhancement effect and the like, and the modification method is suitable for industrial popularization of a wind power composite material green recycling technology.

The invention discloses a thermal wind speed sensor temperature compensation circuit and method based on digital potentiometers, and the method comprises the steps: calibrating the gear of the digital potentiometers at different environment temperature points through employing a double-digital-potentiometer cooperative control strategy, carrying out the one-time calibration of a potentiometer W1 according to the upper and lower limits of a working temperature interval, the potentiometer W2 is used for accurately adjusting the heating power at different environment temperatures, so that an ideal set temperature difference is maintained between the two temperature measuring resistors; each environment temperature point and the corresponding digital potentiometer gear are stored in a temperature compensation database; and subsequently, setting a corresponding digital potentiometer gear according to the environment temperature and the calibration information. According to the method, the information of the hot air sensor sample is obtained through the calibration process which can be executed on a large scale, random temperature drift caused by sensor process deviation is effectively inhibited by modifying the potentiometer gear in real time, and it is ensured that different sensor samples can obtain high-resolution and consistent measurement results in a wide temperature range.

The utility model provides a kind of wind turbine blade unmanned aerial vehicle deicing device, belong to wind turbine blade deicing technical field, for solving the problem of low efficiency of existing deicing method, easy to affect blade performance. Wind turbine blade unmanned aerial vehicle deicing device includes: unmanned aerial vehicle;Deicing mechanism located below the unmanned aerial vehicle;Wherein, the deicing mechanism includes: mounting bracket, with the bottom fixed connection of unmanned aerial vehicle;Connecting plate, with the mounting bracket is connected;Hot air injection mechanism, the hot air injection mechanism is rotated and is connected with connecting plate by rotating mechanism. The device ice-melting process will not cause damage to fan blade, and deicing efficiency is high, energy consumption is low.

The invention discloses an anti-freezing fan ultrasonic wind measurement device and method, and particularly relates to the technical field of fan wind measurement, the anti-freezing fan ultrasonic wind measurement device comprises a wind measurement table, a supporting frame is fixedly mounted on one side of the wind measurement table, a fixing plate is fixedly connected to the top of the supporting frame, and an anti-freezing wind measurement mechanism is arranged at the top of the wind measurement table. A fan moving and fixing mechanism is arranged at the top of the fixing plate; the anti-freezing wind measuring mechanism comprises a protective shell. Through a pulse electromagnetic valve and a shutter air outlet driving mechanism, a cooperative working mode of heat storage, precise heating and pulse deicing is formed, when the environment temperature is reduced, a phase change material firstly stores heat of a heating pipe through liquid phase change of a solid knife, and when the temperature is reduced, heat is released through liquid-to-solid phase change, so that the heat storage efficiency is improved. The air outlet of the louver is driven to rotate by 15 degrees every 10 seconds by matching with local accurate heating of the graphene film, 360-degree annular pulse hot air is formed, and the problems that in the prior art, overall heating energy consumption is high, and local icing is caused are effectively solved.

The invention discloses a direct air cooling system based on wind-solar complementary power supply and a control method, and belongs to the technical field of energy conservation and consumption reduction of coal-fired units. According to the system, an inclination-angle-adjustable photovoltaic panel is laid on the inclined face of the outer side of an A-shaped support of an air cooling island, a vertical axis wind turbine is additionally installed in the central area of the air cooling island, and a flow guide cover type wind turbine is arranged; wind-solar power generation and air cooling island body space sharing is achieved, and wind-solar power generation is used for driving an air cooling system. A flow guide device which electrically swings up and down is arranged in the circumferential direction of each air cooling fan, the height and the inclination angle are dynamically adjusted based on flow field monitoring, and heat backflow caused by transverse air is restrained. According to the system, the wind-solar complementary power supply system, the flow guide device and the graded spraying device are integrated, intelligent regulation and control of the micro-grid are combined, energy self-sufficiency, airflow organization optimization and precise cooling of the air cooling system are achieved, the power utilization rate in a plant is effectively reduced, and the heat dissipation efficiency is improved; the device has the advantages of reducing energy consumption, reducing hot air backflow and improving spraying uniformity.

The invention discloses a demisting and windproof structure for a valley-crossing bridge, and relates to the technical field of bridge engineering and environment control, the structure is characterized in that a supporting frame is formed by steel stand columns, longitudinal steel beams and transverse steel beams, and a semi-closed shed tunnel system is formed by combining a first air guide plate, a second air guide plate, a shed roof glass curtain wall and side glass curtain walls; a wind speed sensor, a visibility sensor, a fan array and a heating element are integrated in the system to form an intelligent regulation and control network, meteorological data are monitored in real time, a control unit automatically triggers a first wind deflector, a second wind deflector and a roof glass curtain wall to be opened and closed, fan operation and a heating device, strong crosswind can be resisted, and fog can be blocked and eliminated; three modes of natural ventilation in sunny days, strong wind curtain wall closing and hot air demisting in foggy days are set, the innovative system has the advantages of visibility improvement, crosswind protection, energy conservation, environmental protection and structural aesthetics, and the all-weather traffic safety of the bridge in the mountainous area is remarkably improved through intelligent dynamic management.

The invention relates to the technical field of wind power deicing equipment, in particular to deicing maintenance equipment for wind power and a using method of the deicing maintenance equipment. During use, the wind driven generator is controlled and adjusted, one blade is kept in a vertical state to hover, meanwhile, an existing rope is wound through a winding roller, then equipment can be stably placed at the top of the wind driven generator through a bottom frame, and then the wind driven generator is driven to rotate by rotating a limiting pipe; the outer surface of a reserved anchor bolt at the top of the wind driven generator can be sleeved with a connecting ring, then a limiting pipe is rotated reversely, the limiting pipe can be matched with a connecting frame, a clamping piece, a second limiting bolt, a first limiting bolt and a limiting strip to pull and limit the placement position of a bottom frame, and the bottom frame can be stably placed at the top of the wind driven generator; and the rotating motor is matched with the linkage shaft and the rotating worm to drive the two external thread pipes to rotate synchronously.

This invention is a multi-source fusion method for ballistic wind identification. It includes the following steps: (1) constructing a wind field model I using the thermal wind formula; (2) analyzing historical data using SPSS to construct a wind field model II; (3) constructing a wind field model III based on Extreme Learning Machine (ELM) using a data-driven approach; (4) using the wind direction and speed data obtained from the wind field models in steps (1) to (3), along with the actual wind direction and speed, as a new dataset, performing normalization preprocessing, and then proceeding to step (5); (5) based on the Stacking concept, using a recurrent neural network (ELM) to learn the multi-source data preprocessed in step (4), establishing the final wind field model, and identifying ballistic wind. This invention is low-cost, and the multi-model fusion approach effectively avoids the impact of noise in historical data on identification accuracy. The obtained meteorological wind data is more suitable for artillery operations in both the time and spatial domains.

The utility model relates to the technical field of atmospheric turbulence simulation, and concretely provides an atmospheric turbulence simulation device, aims at solving the problem that the speed of hot air rising and cold air descending cannot be effectively adjusted in the prior art, and meanwhile, atmospheric turbulence under the set wind speed cannot be simulated. For this purpose, the utility model provides an atmospheric turbulence simulation device, which comprises: a box body, two opposite sides of the box body are respectively provided with lenses, the two lenses can be sequentially penetrated by laser, the box body is further provided with a cold air outlet and a hot air outlet, cold air and hot air can converge in the box body to form turbulence, a hot air mechanism, which is in communication with the hot air outlet, can generate hot air and blow the hot air into the box body, and a cold air mechanism, which is in communication with the cold air outlet, can generate cold air and blow the cold air into the box body. Controllable cold air flow and hot air flow can be directly injected into the box body, and atmospheric turbulence phenomena under different wind speed conditions can be accurately simulated.

The application provides an indoor unit size guide linkage device and an air conditioner, which comprises a linkage member, a wind baffle, and a small guide installation position. The linkage member comprises a first driving end, a second driving end, and the small guide installation position. The small guide installation position is arranged between the first driving end and the second driving end. The wind baffle is connected to the first driving end. The wind baffle is connected to the small guide installation position and is used for guiding wind. The indoor unit is provided with a small guide driving motor. The small guide driving motor is connected to the second driving end and can drive the linkage member and the wind baffle to rotate around the second driving end. The application solves the technical problem that the wind baffle driven by a single motor cannot rotate in multiple directions, which leads to insufficient flexibility of air outlet guiding of the air conditioner, cannot effectively avoid cold air or hot air directly blowing to the human body, and affects the uniform distribution of indoor temperature and the comfortable experience of the user.