75results about How to "Give full play to ability" patented technology

The invention relates to a shear hysteretic damper, which comprises an upper rigid connecting plate and a lower rigid connecting plate which are connected with a building structure, a hysteretic energy-consuming web plate, and a flange plate, wherein the rigid connecting plates and the flange plate are fixedly connected to the hysteretic energy-consuming web plate. At least one side of the hysteretic energy-consuming web plate is provided with transverse stiffening ribs or/and longitudinal stiffening ribs. The flexibility-fineness ratio parameter of the hysteretic energy-consuming web plate is between 0.2 and 0.5, the plate thickness ratio of the flange plate to the web plate is not less than 4, the rigidness ratio of the stiffening ribs is not less than 3.0, and the shape factor is between 0.5 and 1.5. The hysteretic energy-consuming web plate is made of rolled steel the yield strength of which is not more than 235MPa, the flange plate and the rigid connecting plates are made of the rolled steel the yield strength of which is not less than 235MPa, and the stiffening ribs are made of the rolled steel the yield strength of which is not less than 235MPa. The shear hysteretic damper has the advantages of simple structure, stable performance, low manufacture and maintenance cost, small space occupation ratio, easy space distribution, replacement after an earthquake and the like.

The invention provides a method for optimizing system performance by dynamically tracking an IO processing path of a storage system, which comprises the following steps: sending a read and write request to the storage system through a network by using a server; tracking an IO request in each device; introducing an IO request inspection mechanism into the process of processing the request by the storage system; setting an IO processing identification for each process module; computing the response time of each processing node; computing the total processing time of the whole IO request through the formula and recording in a blog mode; accurately positioning the error through the time of processing the IO request and improving, wherein the time for processing the IO request is displayed in the blog; fully developing the system capacity through changing system resources distributed to each user and service programs; and meeting the requirements of the users by using possibly less resources and achieving the purpose of serving various users.

The embodiment of the invention provides an electronic expansion valve control method and device and a refrigerating/heating system. The opening degree of an electronic expansion valve of an economizer is adjusted according to the operating load of a compressor and the system state including the superheat degree of the economizer, pressure of an air inlet of a pressure cavity of the compressor, pressure of an exhaust port of the compressor, pressure of an air suction port of the compressor and currents of the compressor, and accordingly, the probability that the compressor operates out of range is lowered, capacity of the economizer is brought into full play, the capacity and energy efficiency of a whole machine are promoted, and operational reliability of the compressor and the whole machine are improved.

The invention discloses a method for aggregating multiple network interface cards in virtualized environment. The traditional bonding technology is not suitable for a virtualized platform. A multi-network interface card aggregating technology adopted by the method is developed for the virtualized environment. An ip (Internet Protocol) address of a virtual machine and an mac (Media Access Control)address of a network interface card are bonded together, and the mac address of each network interface card is dynamically set so that a network flow runs out or comes in from different network interface cards. The invention can fully utilize multiple network interface cards, dynamically distribute needed network resources to each client virtual machine as required, ensure the load balance of multiple network interface cards, achieve the effect of simultaneously using multiple network interface cards by one client virtual machine and more favorably provide network bandwidth guarantee for the client virtual machines.

The invention relates to an ecological air purification system having a case body, an air outlet, a fan and plants. The case body is dual-layer structured having an inner chamber, an outer chamber, and a nutrient solution container, the nutrient solution container is fixed at the upper part of the inner chamber where plant culturing medium is arranged; the outer chamber is an air circulation pathway set outside having a circulation chamber, sterilizing chamber, and an exhausting chamber, a fan is set in the exhausting chamber, the air outlet is arranged at the side wall of the exhausting chamber. The present invention discloses a method for purifying air by the purification method. The invention can purify air by making use of the leaf part of plants, and also can give full play to abilities of the plants and greatly improve the ability of plants to treat toxic substances, thereby changing the impression that the efficiency of plants purifying air is comparatively low. The invention has advantages such as high air purifying efficiency, littler pollution, and convenient maintenance.

It is possible to provide a vehicle control device and a vehicle control method which can perform an appropriate travel control while sufficiently exhibiting capability of a control system. A feedback control of a vehicle travel is performed according to a preset travel target. In the feedback control, a travel target is regenerated if a control deviation exceeds a preset value such as when a vehicle travel trace is deviated, a tire friction circle is exceeded, or a vehicle acceleration or a jerk exceeds a preset value. This enables a travel control while sufficiently exhibiting the capability of the control system until the control deviation exceeds the preset value. When the control deviation exceeds the preset value, the travel target is regenerated so as to perform a travel control appropriate for a travel environment.

The invention discloses a wind power plant control method and device and a wind power generation system. The wind power plant control method comprises the steps of detecting voltage and current of a grid-connected point of a wind power plant, and calculating reactive power of the grid-connected point; receiving a grid dispatching signal, and calculating ideal reactive power of the wind power plantbased on the grid dispatching signal; calculating the reactive power difference between the ideal reactive power and the reactive power; monitoring current wind speed information of a wind turbine generator system and operation information of the wind turbine generator system, and obtaining the output margin of the wind turbine generator system; and allocating reactive power required to be provided or absorbed to the wind turbine generator system according to the reactive power difference and the output margin, and sending an instruction used for indicating the wind turbine generator system to generate the allocated reactive power to the wind turbine generator system. The wind power plant control method can significantly improve voltage fluctuations and frequency changes of the grid-connected point, and can meet stability requirements of grid connection. The wind power plant control method greatly reduces the compensation work of reactive compensation equipment and the like, reduces the energy loss and reduces the equipment cost.

The invention discloses a variable-frequency water pump control method applicable to a variable-frequency heat-pump water heater. The variable-frequency water pump control method particularly comprises the following stepsofstartingthe dynamic monitoring mode during the stable operation of a heat-pump water heater, and monitoring the water inlet temperature T1, the water outlet temperature T2 and the water flow rate Q at a heat exchanger on the water side in real time in the dynamic monitoring mode, wherein the temperature-difference absolute value delta T between the water inlet temperature T1and the water outlet temperature T2 is calculated and determined only when the water flow rate Q monitored in real time is higher than the predetermined minimum water flow rate Qmin, the temperature-difference absolute value delta T calculated and determined in real time is compared with the upshift temperature value Ta and the downshift temperature value Tb at the current capacity shift of a variable-frequency water pump for judgment, and then the capacity shift of the variable-frequency water pump is correspondingly adjusted based on the judgment result.

The invention relates to a tilting directional microporous end surface mechanical sealing structure comprising a dynamic ring and a static ring which are sealed mechanically, one side of the end surface of the dynamic ring and the static ring is a high-voltage side, namely, an upstream part, and the other side thereof is a low-voltage side, namely, a downstream part; the end surface of the dynamicring or the static ring is provided with a microporous ring belt which is arranged on the upstream part of the end surface; the downstream part of the microporous ring belt is provided with a continuous ring-shaped sealing dam; and a long shaft of the micropore forms a tilting angle with the diameter of the sealing end surface passing through the center of the micropore. The tilting directional micropore end surface mechanical sealing structure has the beneficial effects of: greatly improving hydrodynamic effect of the microporous end surface, leading the sealing to have good starting-stopping effect under low-voltage condition, being capable of being applied in a liquid medium and a gas medium by setting the depth of the micropore, being capable of fully exerting the capabilities and advantages of microporous solid particles, realizing no contact, wear resistance and no leakage of sealing, prolonging the service life and improving the sealing reliability.

The invention discloses a method for preparing iron oxide red from a titanium dioxide byproduct ferrous sulfate, a product and application of the product, and belongs to the technical field of magnetic materials. The method comprises the following steps: S101, purification and impurity removal; S102, oxidation synthesis; and S103, roasting, crushing and screening, wherein a silicon removal agent adopted for purification and impurity removal is a compound of polyferric sulfate, cationic guar gum and sodium alginate. According to the invention, by reasonably matching a plurality of inorganic andorganic high-molecular polymers, the coagulating sedimentation effect, the electric neutralization capability and the bridge frame adsorption effect of the silicon removal agent are fully exerted, the silicon impurity in ferrous sulfate is effectively removed, the feeding speed of a ferrous sulfate solution and an alkaline solution is accurately controlled in the oxidation synthesis process, hydrated iron oxide precipitate which is good in consistency, easy to filter and wash and high in activity is obtained, and an iron oxide red product high in purity and good in performance is successfullyprepared by further setting a reasonable roasting system.

The invention provides a pure electric vehicle speed control method and a pure electric vehicle speed control system. Signals input by a driver through a pedal and a steering wheel, outer side motor feedback rotation speed signals and inner side motor feedback rotation speed signals are received through a vehicle control unit, a maximum torque Tmax (n1) of an outer side motor is determined according to the outer side motor feedback rotation speed signals, and a maximum torque Tmax (n2) of an inner side motor is determined according to the inner side motor feedback rotation speed signals; followingly, an outer side motor target torque T1 and an inner side motor target torque T2 are obtained through the signals; a vehicle dynamical model obtains a straight travel average vehicle speed v and a vehicle yaw velocity w through the outer side motor target torque signal T1, the inner side motor target torque signal T2, vehicle outer side drive rolling resistance Fr1, vehicle inner side drive rolling resistance Fr2 and vehicle steering resisting moment Mz; and the obtained straight travel average vehicle speed v and the vehicle yaw velocity w are obtained by reference to pavement load variations, and the capability of an electric drive system can also be brought into full play to be enabled to work in an optima state.

The invention provides a matching method and system for a transmitting capability of a STA (Station) and an AP (Wireless Access Point). The method and the system are applied to a WLAN network. The method comprises the steps of obtaining parameters of the STA and the parameters of each candidate AP which will be accessed by the STA; calculating a bandwidth utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating a spectrum resource utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating comprehensive transmission capability matching degree of each candidate AP which will be accessed by the STA according to the bandwidth utilization rates and the spectrum resource utilization rates; and selecting the candidate AP with the highest comprehensive transmission capability matching degree as the accessing AP of the STA. According to the method and the system, the matching degree of the STA and the AP is ensured, so that the resource utilization degree of the whole WLAN network is improved, and the throughput and the maximum accessing number of users of the network are improved.

A dipping type film-separating apparatus comprises a flow producing device having a plurality of film cartridges arranged at a predetermined spacing, for producing flows of one direction along the film faces of the film cartridges, and wall members on the two sides of the passages of the one-direction flows formed between the adjoining film cartridges. These film cartridges can be mounted on and demounted from the other direction substantially orthogonal to the one-direction flows and substantially orthogonal to the arranging direction of the film cartridges.

The invention discloses a malachite green detection method and detection device and a probe manufacturing method. The detection method includes the following steps: S1, preparing polymer material imprinted with malachite green template molecules; S2, grinding the polymer material into polymer powder; S3, eluting the template molecules on the polymer powder; S4. gluing the polymer powder, of whichthe template molecules are eluted, to a surface of an extraction substrate to form a solid-phase microextraction probe; S5, applying a to-be-detected sample to the solid-phase microextraction probe; and S6, using the solid-phase microextraction probe and a mass spectrometer in combination to carry out detection about malachite green on the to-be-detected sample. The detection method can effectively improve template molecule elution efficiency in a probe manufacturing process, reduces interference of the template molecules with the to-be-detected target substance, effectively improves binding efficiency of the probe and an eluent during detection, and improves elution efficiency and detection efficiency of the to-be-detected target substance during mass spectrometry detection.

The invention discloses an air conditioner power supply self-adaptation control device. The air conditioner power supply self-adaptation control device comprises a mains supply unit, a battery unit, a switching unit and a first processor; the first input end of the switching unit is used for collecting a mains supply signal, the second input end of the switching unit is used for collecting a battery power supplying signal, the output end of the switching unit is used for outputting the mains supply signal or the battery power supplying signal to an air conditioner power supply circuit, and the control end of the switching unit is used for receiving a switching action control signal; the first processor is used for determining whether the mains supply signal belongs to a set threshold value range or not so as to enable the switching unit to be switched in a first working state or a second working state. The invention further discloses an air conditioner adopting the air conditioner power supply self-adaptation control device. By adopting the air conditioner power supply self-adaptation control device, multiple times of manual operation of a user is not needed in the whole running process, an optimum scheme beneficial for air conditioner running can be formed, the capacity of a battery pack can be fully achieved, and the advantages of being high in automation degree and good in user experience are achieved.

The invention discloses a hot rolled steel plate with yield strength of 290 MPa for a longitudinal profile welded pipe and primarily solves the technical problem that the product performance of an existing hot rolled steel plate with yield strength of 290 MPa for a pipeline cannot meet petroleum and gas welded tube manufacturing enterprises. The hot rolled steel plate with yield strength of 290 MPa for the longitudinal profile welded pipe comprises the chemical components in percent by weight: 0.06-0.08% of C, 0.07-0.12% of Si, 0.60-0.70% of Mn, less than or equal to 0.018% of P, less than orequal to 0.005% of S, less than or equal to 0.0060% of N, 0.010-0.045% of Al, 0.010-0.020% of Ti, 0.010-0.020% of Nb and the balance iron and inevitable impurities. According to the hot rolled steel plate, the percentage elongation after fracture A50 mm is 35-60% and the impact energy value Akv at 5 DEG C below zero is greater than or equal to 70 J.

The invention provides a power adjusting system of a plunger type duplex tilting tray variable pump. The system comprises a pressure sensing transmitter set, the plunger type duplex tilting tray variable pump, a power adjusting module, a computer host controller and an engine. A measurement numerical value of the pressure sensing transmitter set is transmitted to the computer host controller; the computer host controller adjusts the plunger type duplex tilting tray variable pump through the power adjusting module; the computer host controller comprises a three-dimensional dot-matrix type MCU constant power controller composed of a single chip microcomputer; curvilinear coordinate parameters with lattice parameters composed of three-dimensional arrays are searched according to numerical numbers, collected by the pressure sensing transmitter set, of pressure output by the plunger type duplex tilting tray variable pump, then the power adjusting module is controlled to adjust flow output by the plunger type duplex tilting tray variable pump, so that power, absorbed by the plunger type duplex tilting tray variable pump, of the engine keeps constant, the plunger type duplex tilting tray variable pump is adjusted in a mode approaching to a real constant power curve in the practical work process, the capacity of the engine can be played fully, the flow of the plunger type duplex tilting tray variable pump when a system overflows can be lowered greatly, power loss is reduced and fuel oil is saved.

The invention provides an adaptive load adjustment device comprising a smart controller, a total load electrical parameter setting value, a total load electrical measured value, a random load, a controllable load and its power set value and measured value, a random load balance degree set value and a compensation balance module. Through the comparison of the set value and the measured value, the load and compensation balance module are controlled to balance the three-phase active power, equalize the actual power and set power, and optimize the power supply system load matching, thereby meeting the user requirements. The adaptive load adjustment device is simple in circuit, low in cost, and high in reliability.