94results about How to "Prevent snow" patented technology

A goggle clip (10) that may be used to rotatably or pivotally secure a strap (12) to a goggle (14) with a concealed hinge. The clip (10) broadly comprises a main body (24) located outside a shroud (20) of the goggle (14) and secured to the strap (12), an axle (26) located inside the shroud (20), and a forwardly extending skirt (30) that substantially conforms to the shroud (20). The skirt (30) preferably maintains close proximity to the shroud (20) during rotation of the clip (10). Thus, the skirt (30) forms an aerodynamic seal with the shroud (20), thereby diverting airflow away from the hinge and preventing wind, dust, dirt, and other contaminants from interfering with the hinge's operation. Furthermore, the skirt (30) and the location of the axle (26) conceal the hinge, thereby providing a more aesthetically appealing goggle (14).

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.

A lighting device with a stable high light intensity can effectively dissipate heat generated by an LED so that the light emission efficiency does not deteriorate while the inside temperature distribution can be maintained in an even state. The lighting device can also be configured to prevent snow from adhering onto an outer lens by allowing an outer surface temperature of the lighting device to rise during actuation of the device. The lighting device can also be configured to improve light utilization efficiency. The lighting device can include a semiconductor light emitting device as a light source and can include structure(s) that guides the emission light to a projection lens. The semiconductor light emitting device can be configured to emit light in a reverse or opposed direction with respect to an illumination direction for the lighting device. A projection lens can be disposed in front of the semiconductor light emitting device. An elliptic reflector can be configured to reflect light from the semiconductor light emitting device and to direct the light to the projection lens. A lens holder can be made of metal and the semiconductor light emitting device and the projection lens can be disposed on the lens holder.

A seat cushion for use on all terrain vehicles and snowmobiles made of a single piece of molded foam having a skin covering a foam core, a front portion with a curved leading edge to fit against a gas tank filler spout, outer edges hinged to bend over a vehicle seat, straps connected to the outer edges to secure the cushion to a vehicle frame or housing and an air circulating and water drainage system formed on central areas of the cushion and with foam cushion areas formed between grooves of the air circulating and water drainage system to support the bones of the buttocks of a user seated on the cushion.

An improved cover made of opaque, reflective, snow-and-ice-repellent material that shields windshields, windshield wipers, and air intake manifolds of vehicles from the accumulation of snow, ice, and frost; and it also prevents the sun's rays from penetrating the interior of vehicles through windshields.

The invention discloses a surface cleaning device for a solar cell module. The surface cleaning device comprises a frame, a strut rail, racks, a gantry rail, a portal frame, a motor and a plurality of brush wheels, wherein the strut rail, the racks and the gantry rail are respectively fixedly connected to the frame; the feet ends of the portal frame are movably connected to the gantry rail through travelling wheels; supporting wheels are arranged on the lateral surface of the portal frame; the supporting wheels and the strut rail are in movable pressure welding; the supporting wheels and the travelling wheels are pulleys; the plurality of brush wheels are rotatably connected to a shaft hole of the portal frame through brush shafts; each brush shaft is fixedly connected to a brush gear; a shell of the motor is fixedly connected to the portal frame; an output shaft of the motor is fixedly connected to a motor gear; the motor gear and each brush gear are respectively engaged with the corresponding rack; teeth of each rack are arranged at the bottom surface of each rack; a reserve power supply is arranged on the frame; travel switches are arranged on the frame or the portal frame; the motor is provided with a control unit; signal output ends of the travel switches are communicated with a motor control unit signal through a signal line.

The invention relates to a snow melting or deicing system and a snow melting or deicing method for a satellite antenna. The snow melting or deicing system comprises heaters, a rain or snow sensor, a controller, temperature sensors, a temperature acquisition box and a power supply module; a thermal insulation plate is arranged on the back of a reflection surface of the satellite antenna, and the thermal insulation plate and the back of the reflection surface of the satellite antenna form a closed space; the heaters are uniformly arranged in the closed space along the circumference of the satellite antenna, and the sector where each heater is located is a heating channel; the temperature sensors are arranged in the heating channels, and the rain or snow sensor is arranged at the edge of the main reflection surface of the satellite antenna; the heaters and the rain or snow sensor are all connected with the controller, the temperature sensors are connected with the temperature acquisition box, the temperature acquisition box is connected with the controller, and the power supply module supplies power to the controller. By adopting the intelligent control technology, once rain or snow is detected, the system runs automatically, and raining or snowing is ended, the system stops automatically. The system and the method have the characteristics of simple control, high efficiency, good snow melting effect and the like.

The invention belongs to the field of power maintenance and particularly relates to a device for preventing accumulated snow on a cable. The device comprises a windward drum sleeving the cable, two end covers, two circular sliding rings and a plurality of long connecting rods connected between the two sliding rings, wherein the two end covers are fixedly arranged at two ends of the windward drum;and the two circular sliding rings are arranged at two ends of an inner wall of the windward drum. The device is capable of making the accumulated snow on fan blades fall off in the rotating process and simultaneously scraping away the accumulated snow on the cable in the movement process of the windward drum; and the rotating and moving speeds of the windward drum can be increased under the action of wind, so that the snow removal efficiency is improved.

A multipurpose three-in-one quick dismantlement structure of a streetlamp comprises an upper cover, a lamp holder and a fixing component. The upper cover is provided with a shell and a cover body, the shell is mounted at the top end of a streetlamp post, and the cover body forwards extends from the shell. The lamp holder is provided with a light source seat and a power socket, the front end of the power socket is connected with the rear end of the power socket, and the power socket can be plugged into the shell to be electrically connected with the shell, is provided with a luminous part and is positioned below the cover body. The fixing component is disposed between the shell and the power socket, and when the power socket is placed in the shell, the fixing component is detachably connected to the power socket and the shell, so that the power socket keeps being positioned in the shell; when the fixing component is disconnected from the power socket and the shell, the shell can move out of the power socket, and accordingly the lamp holder can be replaced.

A modular coverage system for covering an area of desired shape and size with the purpose of heating the said area in order to prevent snow accumulation or to melt down accumulated snow or for decoration, protection and comfort, comprising a plurality of generally planar surface units suitable to be laid out adjacent to each other that may be made with different decorative patterns. In snow melting systems electric conducting and heating means are located inside the surface unit. Along the outline of the surface unit recessed docking station means are provided in the areas that are designed to be adjacent to the outline of a neighboring surface unit. Each docking station means comprises electrical connection means and one or more mechanical engagement means. Units are interconnected by removable integral connecting plates with electrical connection means and mechanical engagement means inserted from above and received in the docking station areas. A removable docking station cover panel is used to cover docking station means that remain unattached, and keep them watertight. An electrical docking station cover panel with electrical connection means may be attached to a docking station means in a surface unit positioned at any convenient location within the snow melting system to connect the snow melting system to a power source. The electric means in the surface units are connected in a parallel circuit such that electricity supply persists in the event of failure in one of the surface units. The modular coverage system may be made without electrical and heating means to be used for decorative and protective purposes.

The invention relates to an automatic umbrella, in particular to a vehicle-mounted automatic umbrella, which is also called as a movable carriage shed. The vehicle-mounted automatic umbrella comprises a vehicle-mounted umbrella box, an umbrella framework transmission mechanism, an umbrella framework lifting mechanism, a sunscreen mechanism and an umbrella vane windproof device, wherein the umbrella framework transmission mechanism, the umbrella framework lifting mechanism, the sunscreen mechanism and the umbrella vane windproof device are arranged in the vehicle-mounted umbrella box; the vehicle-mounted umbrella box comprises an umbrella box body and an umbrella box cover, and is characterized in that the umbrella box cover is a part of a vehicle roof outer shell and is in sealing joint with other parts of the vehicle roof outer shell. When the umbrella box cover is open, the umbrella box body is in sealing joint with other parts of the vehicle roof outer shell; the umbrella framework lifting mechanism is fixedly hinged in the umbrella box body; the umbrella framework transmission mechanism, the sunscreen mechanism and the umbrella vane windproof device are arranged above the umbrella framework lifting mechanism and are fixed on an umbrella cover pad of the umbrella box cover through an upper press cover of a plane thrust bearing. The invention has the advantages of small size, wide shading area, convenient use, attractive appearance, no addition of wind resistance, reduction of energy consumption for reducing temperature and environmental protection.

The invention provides a self-cleaning sun tracking device and a solar sun tracking method of a compound photovoltaic assembly. A vertical rotating motor and a horizontal rotating motor are controlled through an intelligent controller. The intelligent controller and an MTTP of an inverter mutually acquire signal. No sensor is required for making the compound photovoltaic assembly perpendicular with sunlight irradiation direction, and a purpose of obtaining optimal power generating efficiency of the compound photovoltaic assembly is effectively realized. Furthermore large-angle rotation can be realized so that the light receiving surface of the compound photovoltaic assembly is overturned for facing the ground, thereby preventing problems of dirt and snow accumulation in winter, facilitating surface cleaning and quickly improving power generating efficiency. The self-cleaning sun tracking device and the solar sun tracking method are applied in the application field of the self-cleaning sun tracking device of the photovoltaic assembly.

The invention discloses a hydrophobic coating. The hydrophobic coating comprises, by mass, from 25 to 45% of teflon resin emulsion, from 5 to 35% of titanium dioxide, from 10 to 40% of water and from 5 to 20% of additive. The additive comprises, by mass, from 0.3 to 0.7% of wetting agent, from 0.3 to 1% of dispersing agent, from 2 to 6% of antifreezing agent, from 0.1 to 0.6% of thickener, from 2 to 10% of coalescing agent, from 0.1 to 0.7% of defoaming agent and from 0.2 to 0.5% of bactericide. The coating can effectively avoid snow accumulation and freezing generated on the surface of an article under sleet and cold weather conditions. The invention further discloses a preparation method of the hydrophobic coating. The preparation method is simple and pollution-free, and the hydrophobic coating can be applied to an antenna housing and an antenna system and has an excellent development prospect.

A ski slope snow tiller having a frame connected to a tractor movable in a travelling direction; a shaft crosswise to the travelling direction and fitted with tools for working the snow cover; a casing surrounding the shaft; a mat towed over the surface of the snow cover, behind the casing; and a guard located at least over the casing and the mat, to prevent snow accumulating.

The invention discloses a roof satellite antenna cover snow removing device, and belongs to the technical field of satellite antenna cover auxiliary tools. The device comprises a satellite antenna body, a pedestal and a feed source part, wherein the pedestal and the feed source part are respectively disposed at two sides of the satellite antenna body. The device also comprises a heating skeleton,and the heating skeleton is disposed on the back surface of the satellite antenna body. The heating skeleton comprises a central sleeve which is matched with the satellite antenna body. The central sleeve is uniformly provided with a plurality of branch pipes in a peripheral direction, and each branch pipe is communicated with the central sleeve. Moreover, each branch pipe is matched with the backsurface of the satellite antenna body, and is provided with a plurality of exhaust holes. The central sleeve is connected with an air pipe, and the other end of the air pipe is connected with an electric heating fan which is used for supplying air to the air pipe. Moreover, the electric heating fan is connected with a control module which controls the electric heating fan, so as to achieve the automatic removing of the snow accumulated on the satellite antenna cover, and guarantee the normal use of the satellite antenna cover.

The invention discloses a vegetable greenhouse capable of melting snow. A radiator is arranged below a plastic film of the vegetable greenhouse to raise the temperature of the plastic film, in order to melt the snow on the plastic film and further avoid accumulation of too much snow; an earth wall is arranged on the shade side of the greenhouse; horizontal flues are respectively arranged from the middle part of the earth wall to the two ends of the greenhouse in the earth wall length direction and connected with smoke vents of heating furnaces arranged at the two ends of the greenhouse; a plurality of vertical flues are arranged on the horizontal flues; upper ends of the vertical flues penetrate through the earth wall and then are communicated with the radiator; the radiator is formed by arranging a master pipeline and branched pipelines, which are interconnected, in parallel; the smoke vent in the greenhouse length direction is communicated with an outlet of the radiator; the smoke in the heating furnaces passes through the horizontal flues and the vertical flues and then enters into the radiator, so as to heat the plastic film above the radiator and avoid snow accumulation.

The invention provides a self-locking deceleration support bearing for a photovoltaic support. The self-locking and deceleration characteristics are realized; the self-locking characteristic is that the large-scale single-shaft automatic tracking photovoltaic support is integrally locked in case of strong wind. The resonance phenomenon with large destructive power is eliminated; the photovoltaic support is protected; due to the deceleration characteristic, the photovoltaic support can be supported and rotated without a long and heavy rotating beam; accurate coaxial installation is not needed;the construction is easy; the foundation settlement photovoltaic support can still operate, the operation reliability is improved, a small speed reducer and a motor can be used for driving the large single-shaft automatic tracking photovoltaic support according to the deceleration characteristic, the manufacturing cost of the photovoltaic support and the power consumption of the motor are reduced,and the bearing has the advantages of being small in size, light in weight and low in manufacturing cost.

Provided in the invention is a photovoltaic assembly fixation system of a distributed photovoltaic power station. The fixation system is composed of a supporting device, a rotating device, a tilting device and a fixation device. The supporting device consists of a supporting rod, a turntable body and a fixed frame; the turntable body is installed at the upper end of the supporting rod movably; andthe fixed frame and the turntable body are connected by a pin shaft. A fixed flange is welded to the lower end of the supporting rod; and fixed bolts distributed circularly are arranged on the fixedflange. The rotating device includes a fixed sleeve connected with the supporting rod; a rotary motor is installed on a mounting plate arranged on the fixed sleeve and is connected with a rotating gear; the rotating gear is engaged with an arc rotating rack arranged at the turntable body; the turntable body is connected with a rotating shaft by a mounting flange; and the rotating shaft is installed inside the fixed sleeve. A rotating bearing is arranged between the rotating shaft and the fixed sleeve. Therefore, the maximum conversion efficiency of the solar energy by the photovoltaic assemblyas well as the unified and standard installation of the photovoltaic assembly is realized; the installation becomes simple and convenient; and the later-stage operation cost of the photovoltaic assembly is lowered.

The invention discloses a highway condition monitoring system in the technical field of highway condition monitoring. The highway condition monitoring system comprises a monitoring device and a display device; the monitoring device comprises a first support frame; the first support frame is provided with a pavement condition detector, a motor and a motor controller for controlling the operation ofthe motor; an output shaft of the motor is vertically and upwards arranged, the tail end of the output shaft is provided with a support frame, and the top end of the support frame is fixedly connected with a camera; the display device comprises a second support frame on which an LED display screen is mounted; and the LED display screen is connected with the pavement condition detector and the camera by using cables. The system can simultaneously detect abnormal conditions on pavements as well as pavement water accumulation, snow accumulation and icing degrees, and furthermore, coming and going vehicles are reminded, so that the occurrence rates of first accidents and subsequent accidents of the vehicles are greatly reduced.