31results about How to "Reduce utility power usage" patented technology

The invention relates to an improved bridge monitoring device. The device comprises a supporting rod, an assembling frame, and a monitor; a base is arranged at the bottom of the supporting rod; the assembling frame is fixedly disposed at the upper part of the left side of the supporting rod; the monitor is fixedly mounted at the bottom of the left side of the assembling frame through a connectingarm; a mounting cavity is formed in the top end surface of the assembling frame; first sliding cavities are formed at the upper sides of the front side inner wall and the rear side inner wall of the mounting cavity respectively; drawing-pulling slots communicated with the first sliding cavities are correspondingly formed in the left side inner wall and right side inner wall of the mounting cavity;passage grooves are formed at the external side of each drawing-pulling slot, wherein the passage grooves are corresponding to each other in an anterior-posterior direction; first rotation cabins communicated with the the tails of the bottom extension ends of the passage grooves are formed at the tails of the bottom extension ends of the passage grooves; a guided conveying rod is movably mountedin the first sliding cavities between the front side and rear side of the mounting cavity; pull ropes are fixedly mounted in the first sliding cavities outside the guided conveying rod; the pull ropessequentially extend into the passage grooves and the first rotation cabins and are fixedly connected with winding cylinders in the first rotation cabins; and a first rotating rod is fixedly mounted between the front winding cylinder and the rear winding cylinder.

The invention relates to a variable temperature control method for real-time consumption of photovoltaic power generation in a data center. By reading the real-time photovoltaic output value, the electric power reference value of the cooling equipment is adjusted, and then the cooling equipment of the data center is regulated through droop control and proportional integral control, so that Power consumption instantly matches photovoltaic power generation, realizes local consumption, stores in the data center computer room in the form of cold energy, reduces the temperature of the data center computer room or when the photovoltaic power generation is greatly reduced, appropriately increases the temperature of the data center computer room, and makes reasonable use of storage The function of cooling energy, thereby improving the utilization rate of renewable energy and reducing the consumption of city electricity. The invention comprehensively considers the random fluctuation characteristics of photovoltaic power generation and the flexible load characteristics of the cooling system of the data center, and fully exerts the controllability of the demand side load. Powered green data center with good technical economy.

The invention discloses an environmentally friendly municipal construction fence with an automatic alarming function. The environmentally friendly municipal construction fence with the automatic alarming function comprises a strip-shaped supporting frame, wherein an automatic alarming and intercepting mechanism is arranged in the strip-shaped supporting frame; a fixing mechanism is arranged on thelower surface of the strip-shaped supporting frame; and connecting mechanisms are separately arranged on left and right opposite side surfaces of the strip-shaped supporting frame. The environmentally friendly municipal construction fence with the automatic alarming function has the beneficial effects that the fence is convenient to use and good in warning effect, natural energy is utilized fully, use of an electric supply is reduced, the fences are connected conveniently, and the intercepting effect is good.

The invention provides ground user terminal equipment for a communication satellite. The user terminal equipment comprises an upper computer and a lower computer arranged at the bottom of the upper computer, and a steering wheel is rotatably matched and connected between the upper computer and the lower computer; a slot is arranged in the left side end surface of the lower computer, and a permanent magnet is fixedly arranged in the right side inner wall of the slot; a fixed communication terminal is plugged and installed in the slot; sheet iron opposite to the permanent magnet is arranged at the right side end surface of the stationary user terminal, an upright is fixedly arranged at the center of the bottom end surface of the lower computer, a base is fixedly arranged at the bottom end surface of the upright, multiple groups of through holes penetrating the up and down are formed in the base, a sunken slot is arranged in the top end surface of the lower computer, and an inner ring gear is fixedly arranged in the sunken slot.

The invention discloses an energy-saving steamer which comprises a steamer box. A push rod is arranged at the top of the left end face of the steamer shell and connected with the steamer box through a hinging shaft in a downwards rotatable fit manner, one end, away from the the steamer shell, of the push rod is connected with a handheld rod, two open holes are formed in the top of the steamer box in a left-right equal manner, a rotating pin is arranged on the outer side of each open hole, a cover shell capable of rotating laterally and used for matching the corresponding open hole is arranged on each rotating pin, a sleeve extending upwards is arranged at the midpoint of the rear end face of the steamer shell, a sliding connection rod is penetratingly arranged in the sleeve, a fastening nail matched with the sliding connection rod is arranged at a position, close to the top, of the sleeve, an illumination plate is arranged at the top of the sliding connection rod, a storage battery is arranged at the bottom of the right side of the steamer shell. The energy-saving steamer is simple in structure, low in cost and suitable for popularization and use.

The invention discloses an energy-saving crop grain conveyer. The energy-saving crop grain conveyer comprises a strip-shaped bearing base, and an energy-saving grain conveying mechanism is arranged onthe upper surface of the strip-shaped bearing base; and a moving mechanism is arranged on the side surface of the strip-shaped bearing base. The energy-saving crop grain conveyer has the beneficial effects that natural energy is conveniently absorbed, mains supply is reduced, when not utilized, the energy-saving crop grain conveyer is conveniently folded and placed, the occupied space is decreased, moving is convenient, and the conveying effect is good.

The invention discloses a three-motor-combined frequency converter full-load aging test device. The three-motor-combined frequency converter full-load aging test device comprises an incoming wire breaker, an energy feedback unit, an industrial computer, tested frequency converters, first tested motors, second tested motors, test-accompanying electric generators and test-accompanying frequency converters. The incoming wire breaker is electrically connected with a mains supply. The incoming wire breaker is electrically connected with the tested frequency converters and the energy feedback unit respectively. The tested frequency converters are electrically connected with the corresponding first tested motors and the corresponding second tested motors respectively. The first tested motors and the second tested motors are connected in the axial direction. The second tested motors are connected with the test-accompanying electric generators in the axial direction. The test-accompanying electric generators are electrically connected with the test-accompanying frequency converters. The test-accompanying frequency converters are electrically connected with the energy feedback unit. The tested frequency converters and the test-accompanying frequency converters are electrically connected with the industrial computer. Since the three-motor-combined frequency converter full-load aging test device is equipped with the motors in different combinations, the three-motor-combined frequency converter full-load aging test device can be used for testing frequency converters at various power sections, thereby saving cost; the device conducts feedback to a power grid through the energy feedback unit, thereby lowering energy consumption.