139 results about "Wind strength" patented technology

The invention relates to a building indoor environment adjusting control system, in particular to a climate sensing control device for a glass structure building. The device comprises a wind sensing device arranged outside the building, a light sensing device arranged outside the building, a rainwater sensing device arranged outside the building, a temperature sensing device arranged inside the building, a window opening and closing motor installed on a window for driving the window to be opened and closed, a roller blind motor arranged on the window for driving a roller blind to be rolled and unrolled, and a master controller connected with the wind sensing device, the light sensing device, the rainwater sensing device, the temperature sensing device, the window opening and closing motor and the roller blind motor. The wind sensing device is adopted on the building for sensing the outside wind strength, window opening and closing control can be automatically carried out, the working state of the roller blind motor is controlled, influences of outside strong wind, rainwater and sunlight on the indoor environment are avoided, and a user can use the device more comfortably.

Systems and methods are provided that involve obtaining emissivity and reflectivity by the ratio of the radiance temperature versus the sea level temperature as observed by a satellite, and may further calculate two reflectivity values observed or simulated by the vertical or horizontal polarized channels of microwave, and then estimate a surface roughness. Further, illustrative implementations may involve obtaining the regression relation expression between the surface roughness and the wind strength and then detecting the sea-surface wind, using the information observed by the satellite again. As such, the sea-surface wind information can be obtained through satellite observation, and the information can be utilized for preventive activities against disaster including typhoon, the energy industry including wind power and the fishery in quasi-real time.

The invention discloses a winding state evaluation method in the condition of a transformer external fault. According to the method, current flows through a transformer winding conducting wire, the magnitude of the electromagnetic force is proportional to the square of passing current, in the condition of high fault current, the electromagnetic force born by a winding is hundred times of that in a normal condition, winding formation happens when winding strength is insufficient, elastic deformation is partly recovered after fault elimination, however the cumulative effect of the winding deformation causes a large accident in the next fault condition. According to the method, the collected current data of two sides of a transformer before and in the fault is used, an appropriate numerical algorithm is utilized, the values of leakage inductance of the transformer before and in the fault are identified and obtained, the deviation of winding leakage inductance in each time in the fault is calculated and analyzed, the tendency chart of the deviation is made with time as a horizontal ordinate, and the shock to the transformer winding by the fault and the state of the winding are evaluated according to the deviation tendency chart.

The invention discloses RTP pipe winding equipment and a winding method of the RTP pipe winding equipment, aims to provide the RTP pipe winding equipment which is tight in winding and high in winding strength and the winding method of the winding equipment and belongs to the technical field of pipe machining equipment. According to the technical scheme, the RTP pipe winding equipment is characterized by comprising a main rack and a lateral rack, wherein the main rack is provided with a rotating seat and a main motor for driving the rotating seat to rotate; the center of the rotating seat and the lateral rack are both provided with conveying pipes for conveying pipes; the rotating seat is uniformly provided with at least two installation platforms around the rotation axis, and the installation platforms are provided with strip winding devices; each strip winding device comprises a strip spool and a servo motor, wherein the strip spool is rotatably arranged on the corresponding installation platform, and the servo motor drives the strip spool to rotate; material outlets of the installation platforms are provided with guide wheels and die orifice preheating devices, the installation platforms are further provided with air blowing and heating devices, and air outlets of the air blowing and heating devices are formed at the intersecting positions of strips and pipes; and the discharging end of the rotating seat is further provided with a first short wave heater winding around the peripheries of the pipes.

The invention provides a method for detecting the characteristics of a video object in a finite complex background by studying color-based and gradient-based background models. The method comprises the following steps: 1, taking a background scene graph, conducting continuous training on a background sample image to obtain a color-based background model of mixed Gaussian distribution. If the background model conforms to the mixed Gaussian distribution, the gradient distribution functions of various combinations need to be calculated, and if a certain pixel belongs to any gradient distribution, the background model is supposed to conform to the gradient background model; 2, calculating the gradient distribution functions of each image to be detected, and establishing a color- and gradient-based background model; and 3, updating the parameters and weight of Gaussian distribution according to the ambient changes, such as illumination, wind strength and the like, and further updating thecolor-based models and the color- and gradient- based models. Compared with the prior art, the invention has the characteristics of background disturbance resistance and adaption to changes in environmental illumination.

The invention discloses a safe outdoor billboard, belonging to the field of billboards, comprising a base, a vertical rod is fixedly connected to the base, a base plate is slidably connected to the vertical rod, and the side of the base board is away from the sliding sleeve A billboard surface is connected, a turntable is slidably connected to the base, and the turntable is rotatably sleeved on the pole, a hydraulic driver is fixedly connected to the turntable, and a hydraulic push rod is connected to the driving end of the hydraulic driver. The end of the push rod away from the hydraulic driver is fixedly connected to the base plate, the base is fixedly supported by a drive motor through a support plate, and the drive end of the drive motor is connected to a connecting shaft. The safe outdoor billboard of the present invention can effectively prevent the wind force from directly blowing to the billboard surface, greatly reduce the wind force received by the billboard, and effectively prevent unsafe phenomena such as toppling and breaking of the billboard.

The invention relates to a convenient-observing stable-structure movable traffic signal lamp which comprises a base, a supporting column, a reinforcing mechanism, a processor and four display mechanisms. The reinforcing mechanism comprises a collar, a moving assembly and a reinforcing assembly. The reinforcing assembly comprises a connecting rod, a first cylinder and a supporting block. The display mechanism comprises a connecting block display board, a transverse board, a first baffle board, an adjusting assembly, a light blocking assembly and three signal lamps. The convenient-observing stable-structure movable traffic signal lamp can perform auxiliary supporting on the supporting column through the reinforcing mechanism, thereby preventing an offset of equipment on the condition of overhigh wind strength. Compared with an existing reinforcing mechanism, the reinforcing mechanism can adjust a reinforcing position through a wind power direction. Furthermore, in the display mechanism,a light blocking range can be controlled through adjusting the positions and angles of the first baffle board and a second baffle board, thereby preventing radiation of strong light on the signal lamp. Direct observation by the people is facilitated through controlling light quantity, and furthermore practicability of the equipment is improved.

The invention discloses an automatic hair drier, and belongs to the technical field of hairdressing supplies. The automatic hair drier comprises a hair drier body (1) which is connected with a power supply through a power line (2). The hair drier body further comprises an inductive switch, a controller (4), a humidity sensor (5) and a temperature sensor (6). The inductive sensor is placed on the surface of the hair drier body, the controller, the humidity sensor and the temperature sensor are respectively placed inside the hair drier body, and the inductive switch, the controller, the humidity sensor and the temperature sensor are respectively connected with the power supply. The automatic hair drier has the advantages that when a person picks up the automatic hair drier by hands, the automatic hair drier starts to work and induces the humidity of hair and the room temperature, wind strength, warm air and cold air are adjusted through the controller, operating is simple and convenient, after being used, the automatic hair drier is turned off automatically when the hands leave, and safety and energy conservation are achieved.

The invention discloses a full automatic reel-to-reel screen process press. The full automatic reel-to-reel screen process press comprises a coil stock placing device, a printing device, a drying device and a winding device, the coil stock placing device comprises a double-shaft device and a negative pressure drum which are arranged on the coil stock placing device; the printing device comprises a drum half-negative-pressure concave-convex guiding and left-right adjusting and clamping device which is arranged on a printer frame and is fixed with a damp sucker, an electric-eye tracking socket and a negative pressure drum film-drawing device; the drying device comprises a thermostat, the inner top part of the thermostat is provided with a hot air box, the bottom part of the thermostat is relatively provided with a suction box device, a guide left-right adjusting and limiting mechanism and a position monitoring device, and a thermostat conveyor belt is provided with adsorption holes; the coil stock placing device comprises a double-shaft device which is arranged on a winder frame and a drum half-negative-pressure concave-convex guiding and left-right adjusting and locating device. According to the full automatic reel-to-reel screen process press provided by the invention, an adsorption drying and hanging type tension-free drying system and a suction locating mechanism can be adopted to control wind strength, stabilize a traveling film and monitor the position of the film, is precise to register, balanced in tension, is free from stretching, and is not in contact with a surface.

The present invention discloses early warning method for disease incidence in artificial aquiculturing of yellow croaker. The early warning method includes measuring water transparency X1 and temperature X2 at 1-3 pm; measuring the daily average wind strength X3; calculating Y1=1.546X1+0.07X2X3-11.922, Y2=1.284X1+0.072X2X3-10.067, Y3=1.568X1+0.108X2X3-16.921 and Y4=1.981X1+0.076X2X3-17.062; comparing Y1, Y2, Y3 and Y4, and selecting the maximum to predict the disease incidence probability in the third day based on preset criterion. The present invention makes it possible to prevent and treat diseases of yellow croaker timely and effectively.

The invention relates to a precisely controlled intelligent four-rotor unmanned aerial vehicle. The precisely controlled intelligent four-rotor unmanned aerial vehicle comprises a deflection measuring mechanism and a plurality of flight units; the deflection measuring mechanism comprises a light reflecting plate and a deflection measuring assembly; the deflection measuring assembly comprises a driving unit, a moving block, a hinge block, a rotating rod, a sleeve and a first photoelectric sensor; each flight unit comprises an auxiliary speed measurement unit on a side rod and a speed reducing unit on a first driving shaft; each auxiliary speed measurement unit comprises a supporting rod, a resistance rod, a transverse rod and a second photoelectric sensor; according to the precisely controlled intelligent four-rotor unmanned aerial vehicle, the inclination degree of an unmanned aerial vehicle is accurately controlled through the deflection measuring mechanism, the rotating speed of the first driving shaft in each flight unit is detected through the corresponding auxiliary speed measurement unit, and a speed is reduced to different degrees by utilizing the speed reducing unit, so that each flight unit is regulated to keep the unmanned aerial vehicle horizontal; the wind strength in each direction is detected through a wind detecting unit; the rotating speed of paddles in each flight unit is regulated again; therefore, precise operation of the unmanned aerial vehicle is realized.

The invention discloses a cooling apparatus used for a computer host. The cooling apparatus comprises a host case body; support legs are arranged at the lower end of the host case body; a controller is arranged on the outer side wall of the host case body; first round holes are formed in a support plate at same intervals; a cooling fan and two L-shaped brackets are arranged at the upper end of thebottom in the host case body; the cooling fan is located between the two L-shaped brackets; the L-shaped brackets are both provided with lifting apparatuses; second round holes are formed in the bottom end of the host case body; and a temperature sensor is arranged at the upper end in the host case body. The cooling apparatus can effectively perform cooling through the cooling fan at the lower part, so that heat flows to the second round holes from the first round holes; the controller can obtain the temperature in the host case body in real time through the temperature sensor, so that the wind strength of the cooling fan can be conveniently adjusted and good cooling is achieved; and the cooling apparatus is convenient in operation and suitable for popularization.

The invention discloses a miniature fan. The miniature fan comprises a shell body, and a motor installed inside the shell body. The miniature fan further comprises fan blades arranged outside the shell body and made of soft materials. Due to the fact that the fan blades are arranged outside the shell body, the fan blades cannot be stopped in the rotation process, and therefore compared with other fans provided with the fan blades provided with protection nets or other protection structures, the miniature fan improves the wind strength. Meanwhile, the size of the fan blades can be set at will, and therefore the requirements of users are met. In addition, due to the fact that the fan blades are made of the soft materials, even when the fan blades rotate, the users can not be hurt when touching the fan blades.

The invention discloses a heat dissipation and ventilation system used for a communication machine room. The system mainly comprises a roof, a bottom plate and four wallboards. Water scraping mechanisms are arranged in left and right wallboards correspondingly. In damp weather, water drops condensing on the wallboard wall surfaces can be collected and stored through the water scraping mechanisms,a ventilation mechanism is arranged in the bottom plate and works to communicate with spaces, storing water, of the water scraping mechanisms, during ventilation, airflow passes through the water andis transmitted into the room, and accordingly, ventilation and cooling are achieved; a cut-off mechanism capable of stopping ventilation is further arranged inside the wallboard on the right side; andby means of the device, in damp weather, the water drops condensing on the wall surfaces are removed and collected, the situation that the water drops flow to the indoor floor and accumulate, and consequentially, the working safety of indoor electric appliances is affected is avoided, an exhaust port of the device can be automatically controlled to open and close according to the wind strength ingale and heavy rain weather, and the situation that gale and heavy rain enable rainwater to enter the room through the exhaust port, and consequentially, working of the indoor electric appliances isaffected is avoided.

The invention relates to the technical field of billboards, and in particular to an adjustable windproof billboard device. The adjustable windproof billboard device comprises a frame (2) which is arranged on a bracket (4), wherein unit plates (1) are arranged on the frame (2) in a hinged mode; and the parts, close to the bottom ends and/or the top ends of the unit plates (1), of the frame are provided with rotating mechanisms (3). According to the billboard which is composed of the plurality of rotary unit plates provided by the invention, rotating angles of the unit plates can be changed in accordance with wind strength, so that wind can run through from a gap between every two unit plates, wind pressure on the unit plates can be reduced, and subsequently, stability of the billboard is enhanced.

Herein, a control method for a fan having constant wind strength is disclosed for solving a problem that wind strength cannot be fixed. The method includes: 1) a constant speed step, in which a controller drives a motor to work according to a preset duty ratio and determines whether the work current of the motor is less than a target current or not, if true, performing the constant speed step, or if false, setting a work rotation speed and carrying out a torsion step; 2) the torsion step, wherein the controller acquires a traget duty ratio according to the first rotation speed, a second rotation speed, the work rotation speed, a first duty ratio and a second duty ratio, and drives the motor according to the torsion step to determine whether the rotation speed of hte motor is less than the second rotation speed, if true, setting the work speed as the rotation speed of the motor, and performing the torsion step, and if false, performing the constant speed step. By means of the technical scheme, the problems can be actually solved.

The invention discloses a protecting dike for protecting coast important facilities or regions and provides a height-adjustable firm and reliable protecting dike, on the basis of principles of changing wind wave advancing direction, gradually reducing wave height or wind strength from top to bottom, and the like, mainly used for protecting coast important facilities or regions under extreme weather conditions of typhoon, tsunami and the like. The protecting dike is low in negative influences on shipping, illumination, landscape, air circulation and the like and has advantages of simplicity inconstruction, moderate manufacturing cost and the like.

The invention discloses an outdoor all-weather sensitive automatic withdrawing dryer which comprises a mechanical platform, a controller and a driving mechanism, wherein a plurality of drying rods which can be stretched out or withdrawn from the front end of the mechanical platform are arranged in the mechanical platform; a rotating shaft is arranged at the rear end of the mechanical platform; the mechanical platform can rotate around the rotating shaft; a sensor is further arranged at the front end of the mechanical platform and is used for detecting light intensity, humidity and wind strength outside a room, and used for transmitting the detection result to a controller; the controller is used for determining the weather condition according to the detection result; if the detection result exceeds a preset index, the controller determines that the weather is in a bad condition, and controls the driving mechanism to drive the drying rods to be withdrawn and drive the mechanical platform to rotate back to the room. As the outdoor weather condition is detected in real time, clothes can be automatically withdrawn in a severe weather environment, then people going out or working at offices can fully focus on living or work, and completely new comfortable living can be provided for people.

The invention discloses a quick drying device for artistic works. The quick drying device for the artistic works comprises a supporting frame, an electric heating wire and a clamp, wherein a first motor is arranged at the middle position of the supporting frame, a bellows is fixed to the upper end of the first motor, the electric heating wire is arranged above the bellows, a baffle is fixed to theupper part of the electric heating wire, and the clamp is connected to the left end of a sliding block. The quick drying device is provided with the baffle, the electric heating wire and a fan bladeon the same vertical plane, so that the wind generated by the fan blade during working is blown upwards through the electric heating wire, cool wind can be changed into hot wind under the action of the electric heating wire, so that the drying efficiency is higher; meanwhile, the baffle is arranged above the electric heating wire, so that a buffering role is played, stronger wind is dispersed by ventilation holes, the wind strength is softened, and a second motor is arranged, so that a rotating rod is driven to rotate, and the artistic works are driven to rotate; and when the artistic works are dried, the paper is heated evenly, and folding of the paper caused by uneven heating is avoided.

The invention discloses a wind direction division-based railway crosswind early warning system and a crosswind strength calculation method. The system includes a data collection unit, a quality control unit, a detection unit, and an alarm unit. The data collection unit collects wind speed and direction data. A positioning module obtains a geographic position of a current station and invokes a topographic feature database, and then sends data to the data quality control unit. The data quality control unit compares and analyzes the data with a numerical interval of a meteorological element thathas appeared in history of the station and meteorological data of a neighboring station, and deletes invalid data and corrects erroneous data, and data calculated by the data quality control unit is finally transmitted to the detection unit and compared with a preset threshold. Finally, a control instruction is delivered to the alarm unit. The system provided in the invention can assist in surveying and mapping meteorological history data and improve a crosswind early warning capability and accuracy rate.

The invention discloses an easy-peeling-type flame-retardant thermal insulation cable which comprises a cable core, a shielding layer arranged at the periphery of the cable core, a flame-retardant thermal insulation layer and an insulating outer sheath layer, wherein talcum powder serving as a filling material which can be adhered to and peeled off from the insulating outer sheath layer is arranged between the flame-retardant thermal insulation layer and the insulating outer sheath layer. The talcum powder arranged between the flame-retardant thermal insulation layer and the insulating outer sheath layer is taken as the filling material, so that the adhesive force between the flame-retardant thermal insulation layer and the insulating outer sheath layer is greatly decreased. Thus, the insulating outer sheath layer can be peeled off from the cable core easily if necessary. Therefore, the peeling workload is greatly lowered and the construction efficiency is improved. Meanwhile, the winding strength of the cable is enhanced by the addition of the talcum powder layer, so that the deformation is decreased. In addition, the cable core can be protected by the flame-retardant thermal insulation layer after the insulating outer sheath layer is peeled off, so that the cable is prevented from being damaged when used in severe environments such as underground coal mines. As a result, the security coefficients of equipment and working personnel are improved.