36results about How to "Reduce start-up energy consumption" patented technology

The overall hydraulic electric forklift electric system comprises the accumulator source, key switch, generator, audio-optical system, featuring in the accumulator as the energy source being divided by DC-DC potential transformer and low voltage electric source in two branches, with the low voltage source contacting the audio optical system through the said key switch, a controller mainly used for controlling the generator, the steering extender through turning on the switch and linking with the said controller, the high voltage electric power contacting the said controller and controlling the main contact to access the said generator, with the said controller connected with accelerator and micro stroke switch. It is a level free speed adjusting system made of the controller, generator, accelerator, with the traveling system running freely, stable, reliable from low speed to high speed, without energy waste.

The invention discloses an air source heat pump coupled superconductive pipe solar module seawater temperature control system and method, and relates to the field of seawater culture equipment. The system comprises a temperature control water tank, a heat supply source, an electric control valve, a conduit and a plurality of heat exchangers, the temperature control water tank is respectively connected with the heat supply source and heat exchangers through the conduit and the electric control valve to form a thermal cycle pipeline and a cold circulation pipeline, the temperature control watertank comprises a hot water tank and a cold water tank, and the heat supply source comprises an air source heat pump and a solar heat collector, and the conduit comprises a heat conducting pipe, a cooling pipe and a heat exchange pipe; according to the invention, by controlling the on and off of the electric control valve, the real-time conversion and seamless connection of the cold and hot circulation are achieved, and different requirements on breeding cold water, warm water and hot water for breeding farms such as fish, shellfish and crustaceans farms at the same stage are met.

The invention provides a rotary plunger type straw granulator. The rotary plunger type straw granulator comprises a first rolling mold, a second rolling mold, a charge bin, a discharge bin, a connecting rod, a starting mechanism and an auxiliary starting mechanism, wherein the first rolling mold and the second rolling mold are respectively provided with material extruding heads and molding holes which are arrayed in a staggered manner; the material extruding heads on the first rolling mold stretch into the molding holes of the second rolling mold; the material extruding heads on the second rolling mold stretch into the molding holes of the first rolling mold; compression holes are formed in the heads of the molding holes; the inner diameters of the compression holes are greater than or equal to the outer diameters of the material extruding heads and are gradually decreased; a cutter is arranged in the discharge bin; the connecting rod is arranged between the same side end surfaces of the first rolling mold and the second rolling mold. According to the rotary plunger type straw granulator, the auxiliary starting mechanism is arranged and can be used when the straw granulator needs to be restarted after accidental shutdown; the starting power can be greatly reduced, and the straw granulator is short in starting time, low in energy consumption, and easy and convenient to operate.

The invention relates to a clothes dryer and a control method. The clothes dryer is provided with a steam generator, and the gas outlet of the steam generator is respectively connected with an outer cylinder and a sprayer arranged above the evaporator through pipelines, so that the steam Controlled flow to outer cylinder and / or evaporator. In the initial working stage of the clothes dryer of the present invention, all the steam generated by the steam generator flows to the evaporator of the clothes dryer, and the steam transfers heat to the evaporator, so that after the evaporator is heated, the heat is released through the condenser under the action of the compressor. Thereby, the overall working efficiency of the heat pump system is accelerated, thereby increasing the heating speed of the clothes dryer. During the normal steam treatment process of the clothes dryer of the present invention, the unvaporized water automatically flows into the sprayer arranged above the evaporator under the action of gravity, so as to spray the evaporator and clean the evaporator. Attached lint, and sterilize the evaporator and its surrounding components. Simultaneously, the present invention has simple structure, remarkable effect, and is suitable for popularization and use.

The invention relates to an energy-saving device for energy-storing auxiliary starting rotary machinery. A working revolving shaft on the rotary machinery is connected with a driving disk through a single-direction bearing; an electric push rod is connected below the driving disk; the electric push rod is connected with the driving disk in a location fit way; the front end of the working revolving shaft is fixedly connected with a right friction device; the right friction device is connected with a left friction device fixed at the right end of an operating shaft in a matching way; a scroll spring is arranged on the operating shaft; the central end of the scroll spring is fixed on the operating shaft; the outer end of the scroll spring is fixedly connected with the driving disk; the left end of the operating shaft is arranged on a bracket through the single-direction bearing; the bracket is fixedly connected to a slide block of a slider; the bracket is provided with an inner threaded hole, and is in transmission connection with a lead screw through the inner threaded hole; and the lead screw is connected with a servo motor. According to the energy-saving device, collected energy is used for pre-starting equipment, so that starting current is reduced, starting energy consumption is lowered, the equipment starting working condition is optimized, the service life of the equipment is prolonged, and the interference of motor during starting on a power grid is weakened.

The invention provides a rotary plunger type straw granulator. The rotary plunger type straw granulator comprises a first rolling die, a second rolling die, a charging chamber, discharging chambers, connecting rods and a mechanism, wherein material extruding heads and forming holes, which are of staggered arrangement, are formed in each of the first and second rolling dies, the material extruding heads on the first rolling die extend into the forming holes of the second rolling die, the material extruding heads on the second rolling die extend into the forming holes of the first rolling die, compression holes are formed in the heads of the forming holes, and the inside diameter of the compression holes is greater than or equal to the outside diameter of the material extruding heads and decreases gradually; cutters are arranged in the discharging chambers; the connecting rods are arranged between end faces of the same sides of the first and second rolling dies; the mechanism is used for increasing the extruding force of the material extruding heads. The rotary plunger type straw granulator has the beneficial effects that the work efficiency is high, the reactive power loss is low, and the like.

The invention discloses a starting method of a senseless permanent magnet synchronous motor, comprising the following steps: S10), after short-circuiting a motor winding, detecting a motor induced current by driving a sampling module of a controller; S20), determining whether the motor induced current is less than a predetermined value of induced current, if so, proceeding to step S30), or if not,proceeding to step S40); S30), performing open-loop start control; S40), determining whether the motor is in a forward or reverse rotation state, if in the forward rotation state, proceeding to stepS50), if not, proceeding to step S60); S50), performing forward rotation closed-loop vector start control; and S60), performing reverse rotation closed-loop vector start control. The starting method ensures the fast and low-current high-efficiency start when the permanent magnet synchronous motor is stationary or tends to be stationary, realizes fast closed-loop vector control under strong downwind or upwind conditions, reduces energy consumption, shortens start time, and makes motor start smooth.

The invention discloses a starting system of an extra-large power DC amplitude-voltage motor. The starting system comprises an armature, a logarithm voltage generator, a constant current generator, a self-adaptive time schedule controller, a diode, a capacitor, a resistor, an inductor, and a relay; the positive electrode of a power source is respectively connected with the cathode of the diode, the capacitor and the armature, wherein the anode of the diode is connected with the constant current generator, the other end of the capacitor is respectively connected with the inductor and the resistor, the other end of the inductor is connected with the anode of the diode, the other end of the armature is respectively connected with the resistor, the relay, the constant current generator and the logarithm voltage generator; one end of the relay is connected with the self-adaptive time schedule controller, and the other end of the relay and the self-adaptive time schedule controller are respectively connected with the negative electrode of the power source. Through the adoption of the logarithm voltage generator, the constant current generator and the self-adaptive time schedule controller, the starting process of the motor has the features of being small in starting current, large in torque and short in starting time, not only the motor can be frequently started, but also the starting energy consumption of the motor is reduced.

The invention provides a water circulating system using a spray-type steam generator. The water circulating system comprises the spray-type steam generator, a steam and water separator, a center circulating water tank, and a pressurizing device which is connected with the center circulating water tank and used for pressurizing water, wherein the spray-type steam generator comprises an upper header and a tube row which are arranged in a communicating manner from top to bottom, and a spraying device which is arranged inside the upper header; the spraying device is connected with the center circulating water tank and is used for supplying water in a spraying manner; the upper header is provided with a steam outlet and an interface; the tube row is connected with the upper header by the interface so as to be communicated with the inside of the upper header so that the water sprayed by the spraying device can be vaporized to generate steam when the tube row is heated. The system has the advantages of being safe, reliable, high in thermal efficiency, rapid in steam generation, high in automation degree and low in operating cost.