30results about How to "No increase in consumption" patented technology

The invention discloses a grinding device for sapphire wafers. The grinding device for sapphire wafers comprises a pulp stock barrel, a peristaltic pump and a grinder, wherein a pulp stock trough is arranged on the grinder, and pulp stock enters into the grinder through the peristaltic pump and the pulp stock trough. The grinding method for the sapphire wafers comprises the following steps: 1, preparing the pulp stock: putting in raw materials by levels and layers; 2, controlling pulp stock flows: putting pulp stock accurately; 3, correcting the flatness of the surface of a grinding lower plate: repeatedly measuring by using a long gauge, a short gauge and a dial gauge, and correcting; 4, distributing powder on the surface of a grinding plate; and 5, grinding both sides of each wafer: firstly carrying out light pressing grinding. The grinding method provided by the invention is characterized in that raw material ratio of the pulp stock is optimized, the pulp stock supplying flow is more accurate, the conveying is more even, before normal grinding, light pressing grinding is performed firstly, the problem of wafer breakage during a grinding process can be prevented for the greatest possible, the wafer breakage rate is lowered, the merit factor of grinding is improved, the removing rate during grinding is stable, the problems of over grinding and low removing rate cannot be caused, and the efficiency is relatively high.

The invention discloses a cable with high current-carrying capacity. The cable provided by the invention comprises more than one conductor and a sheath (5), wherein the more than one conductor is enamel-cover stranded conductor (1); and an insulating layer (2) is arranged on the surface of the more than one enamel-cover stranded conductor (1) and covers the surface. By adopting the technical scheme, under the condition that the cross-sectional area of the conductors is not increased, the surface area of the conductors is increased; and the conductors are decomposed into a plurality of independent parts and each independent part of the conductors has an insulation system, thus increasing the surface area of the conductors actually, reducing skin effects, improving the current-carrying capacity, keeping the material consumption unchanged, and being easy to realize technically.

The invention relates to a start control system and method of a wind generating unit. The real-time wind speed of the environment in which the wind generating unit works and the real-time rotating speed of a generator shaft are monitored in real time, so that a target pitch angle of blades is determined, a pitch angle of the blades is adjusted to the target pitch angle, the start torque of the blades can be increased, a wind wheel is driven to accelerate to reach paralleling rotating speed, and electric generation is started. Due to the fact that the target pitch angle is determined in real time according to the real-time external environment and the state of the wind generating unit and continuously adjusted, the wind generating unit can adapt to environment changes and self-state changes and can react rapidly in time. Particularly, when the wind speed of the environment in which the wind generating unit works is low and the rotating speed of the blades cannot reach rotating speed needed by paralleling electric generation, the pitch angle of the blades is adjusted to the target pitch angle, the start torque of the blades is increased, the start wind speed of the wind generating unit is lowered, then, the electric generating efficiency of the wind generating unit at the low wind speed is improved, and the manufacturing cost and energy consumption of the unit are not increased.

The invention belongs to the field of terminal equipment, and provides a receiver IQ imbalance compensation method and device. The method comprises the steps: calculating a pre-calibration parameter and carrying out the pre-calibration when a receiver is subjected to factory calibration, so as to compensate the initial IQ imbalance; and when the receiver is in a use state, performing fine calibration based on the pre-calibration parameter and the fine calibration parameter to compensate the current IQ imbalance. The IQ imbalance compensation of the receiver is carried out in a mode of combining pre-calibration compensation and fine calibration compensation, the accuracy of compensation is ensured under the condition that the receiving precision is improved, and resources are saved at the same time.

The invention provides an IQ imbalance correction method and device, and a receiver; the method comprises the steps: carrying out the first IQ imbalance parameter estimation in a time domain according to a received first pilot signal during initial synchronization, and obtaining a first imbalance parameter; and during normal service receiving, carrying out first correction of IQ imbalance on the received signal in the time domain according to the first imbalance parameter. According to the invention, the IQ imbalance compensation of the receiver is carried out by combining the coarse correction and the fine correction, so that the receiving precision is improved, and no extra spectrum resource consumption is increased.

The invention discloses a fragrant finishing process for a home textile. The process comprises the following steps of: (1) preparing an aid, wherein the aid is an aqueous solution of 15 to 20 g/l of nano high-temperature resistant slow-release fragrant finishing agent, 10 to 15 g/l of softening agent and 5 to 10 g/l of adhesive; and (2) soaking the home textile into the prepared aid, rolling at the rolling rate of 80 to 100 percent, and drying at the temperature of 175 DEG C, wherein the operation speed is 35 meters per minute. Preferably, the softening agent is organic silicon softening agent, and the adhesive is low-temperature formaldehyde-free adhesive. By the process, perfuming treatment, softening, setting and finishing can be simultaneously finished, so the production efficiency is improved; environment-friendly raw materials are adopted in the production process, so energy consumption is not increased, and the process has the advantages of energy conservation, environment friendliness and low production cost; and the prepared finished product has soft handfeel and lasting fragrance.

The invention discloses a power control method for cooperating with Internet of things energy acquisition nodes and belongs to the technical field of Internet of things. The method comprises steps of system scene analysis and problem resolution; system mathematics model establishment; optimal solution calculation on the basis of utilizing an optimization method. The method is applicable to a special scene, is on the basis of actual application, takes full consideration of an environmental protection scheme of renewable energy sources, integrates the energy acquisition technology, takes consideration of a system performance optimal problem under cause and effect restriction conditions on the condition that network performance is not influenced, realizes compromise between energy consumption and a network rate, more reasonably and fully utilizes the renewable energy sources and reduces energy consumption of the network. The method is advantaged in that algorithm design is reasonable, and the method is easy to realize.

The invention discloses a motor stator, which comprises a plurality of laminated iron cores provided with winding grooves. The motor stator is characterized in that the iron cores comprise iron core main bodies and iron core enclosing sheets, wherein the iron core main bodies are provided with strip-shaped grooves from the centers to the circumferential direction; the widths of the strip-shaped grooves are reduced at positions close to the circumferences; and the iron core enclosing sheets are inserted into positions, close to the circumferences, of the strip-shaped grooves of the iron core main bodies, and are limited on the iron core main bodies. Due to the adoption of the motor stator, convenience can be brought to winding, and the motor performance can be improved. The invention correspondingly provides a manufacturing method of the motor stator, and according to the method, the motor stator is easy to manufacture.

The invention discloses an active pixel swing extension method for a CMOS image sensor. The problem that the swing amplitude of the active pixel unit is limited due to threshold loss and other reasonsin the electric signal output process is solved. The method is characterized in that the lower pole plate of the sampling and holding capacitor is connected to a ground level or a low voltage duringsampling of the pixel unit and is connected to a power level or a high voltage during output of the pixel unit through a method of switching the lower pole plate of the sampling and holding capacitorby a switch, so that the swing amplitude of photoelectric signals on a column line is increased. In order to ensure the influence of the method on the filling factor of the pixel unit, switch switching and high and low voltage are realized outside an active pixel unit area array. The invention provides a programmable bootstrap swing lifting mechanism based on area array external voltage, providesa solution for a large-area-array large-full-well active pixel CMOS image sensor, guarantees the complete response of an active pixel circuit to full-well charges, improves the full-well capability ofthe CMOS image sensor, and enlarges the dynamic range of the CMOS image sensor.

The invention belongs to the technical field of reutilization of agricultural wastes and particularly relates to a novel process for comprehensively utilizing the agricultural wastes. The novel process comprises the following steps: adding acid into the agricultural wastes and hydrolyzing to obtain aldehyde gas and furfural residues; carrying out filter pressing on the furfural residues and primarily reducing the water content of the furfural residues to be 40%-45%; then drying the furfural residues and further dehydrating the furfural residues; when the water content of the furfural residues is reduced to be 15%-20%, adding fly ash to neutralize; after neutralizing, granulating to obtain biomass fuel; combusting the biomass fuel to be used for biomass power generation; meanwhile, taking solid wastes generated by combustion as raw materials of an organic fertilizer to be reutilized; after filtering and condensing the aldehyde gas, condensing to obtain liquid, namely raw aldehyde; carrying out deacidifying and dehydrating on the raw aldehyde to obtain crude aldehyde; refining the crude aldehyde to obtain finished aldehyde; and carrying out heat exchange on the uncondensed aldehyde gas to replace aldehyde gas heat energy to be used as a heat source for drying the furfural residues, wherein all the percentages are mass percentages.

The invention belongs to the field of batteries, and particularly relates to a lithium battery negative electrode material and a preparation method. The negative electrode material is prepared by graphitizing coal-based coke powder, and seen from the electron micrograph of the negative electrode material, the negative electrode material is of a layered crystal structure with pores, and the pore walls of the pores are provided with micropores. The negative electrode material has the beneficial effects that the coal-based coke powder is used as a raw material, the negative electrode material with holes is prepared through a graphitization process, micropores are formed in the hole walls of the holes, and the negative electrode material is large in first-time specific discharge capacity, small in first-time irreversible capacity and good in current charge and discharge performance and cycle performance.