144results about How to "Practical and strong" patented technology

The invention relates to a control parameter setting method for a steam turbine speed governing system. The control parameter setting method comprises the following steps: (1) building a mathematical model and a transfer function of the steam turbine speed governing system provided with a stand-alone infinitely great system in a power network model; (2) when the control parameters Ki and Kp change within the range of 0-10, unceasingly working out the numerical solutions of the characteristic roots of the transfer function of the system under the given parameters, and the expression of the characteristic root is s=A+Bj; (3) working out the value of the characteristic parameter Xi of each group of the characteristic roots, and obtaining the minimum value of Xi; (4) drawing the tendency chart of the minimum value of the characteristic parameter Xi of each group varying along with the control parameters Ki and Kp; (5) judging whether the system is stabilized on the basis of the positive or negative values of the characteristic parameter Xi, acquiring the value range of the control parameters that stabilize the system, and conducting fine adjustment by adopting the cut-and-try method to set up the optimal control parameter that is veritably practical to a machine set. The control parameter setting method has significance on further normalizing the parameter arrangement of a steam turbine control system and reducing the low-frequency oscillation of the system.

The invention relates to a data-based urban sewage pumping station system modeling method. The conventional modeling for a drainage pipeline network pumping station model has high complexity. The method comprises the following steps: firstly, establishing a predicting model for a drainage pipeline network pumping station; secondly, preprocessing original data acquired by an SCADA system; thirdly, determining a model set type and identifying a model structure and a model parameter; and finally, performing online dynamic modification on the model parameter. The method of the invention breaks through a constraint that mechanism characteristics are required to be understood completely in the conventional modeling, the modeling time is relatively short and the obtained model structure is relatively simple.

The present invention relates to a compound topical medicine for curing ulcerative stomatitis. It is characterized by that in the matrix carrier of said compound topical medicine are contained the following effective active components (wt%): antibacterial medicine 0.1-5%, local anesthetic medicine 0.05-5% and cortical hormone anti-inflammatory medicine 0.01-0.5. Said compound topical medicine can simultaneously stop pain, relieve inflammation and prevent secondary infection, and its therapeutic effect is obvious.

The invention discloses a method for finishing a flame retardant cotton fabric. The method comprises the following steps: (1) using desizing liquid for desizing treatment; (2) using flame retardant finishing liquid for immersion bath treatment; (3) carrying out press-rolling treatment; (4) drying; (5) putting the dried cotton fabric in distilled water, and adjusting the pH value with acid; (6) carrying out soaping and water washing respectively; and (7) carrying out press-rolling, and drying. The crosslinking agent polyhydroxymethyl melamine is not used in the process, thus greatly reducing the released amount of formaldehyde; the baking flow is not needed in the process, thus not only conforming to the national energy conservation and emission reduction policy, but also obviously improving the impacts on the whiteness, handfeel, mechanical performance and the like of the fabric; and the flame retardant finishing process has a short flow and moderate operation conditions, is safe and reliable and has an excellent flame retardant finishing effect.

The invention relates to a multiphase online sampling device and a multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke). The method comprises the following steps: controlling inlet flow by adjusting the opening degree of an inlet adjusting valve by an inlet flowmeter; separating dust (catalyst) carried by the high-temperature hydrocarbon gas (smoke) (under the temperature of 280-900 DEG C) by a gas-solid separator and placing into a visual bunker at the lower part; guiding oil gas (smoke) after being purified into a condenser for performing heat exchange; adjusting the volume of cooling water entering the condenser by a thermometer at an outlet of the condenser, so as to realize the adjustable temperature at an oil gas (smoke) outlet; dividing the oil gas (smoke) after being condensed into be at gas and liquid two phases and separating in a gas-liquid separator; guiding the liquid phase to enter the bottom of the gas-liquid separator and guiding the gas phase to enter a torch or a low-pressure gas pipeline discharging sampling device; and arranging the flowmeter and a sampling port in front of a gas-phase discharging device, so as to realize the phase-phase sampling and metering. The device and the method can be used for sampling the running condition of the device in real time, the operation is simple and the practicability is strong.

The invention discloses an intelligent control system for high beams of a vehicle and belongs to the field of vehicle active safety. The system comprises a road condition camera shooting detection processing module and a high beam control module. The road condition camera shooting detection processing module comprises a camera shooting module, a data caching module, a logic control module, an MCU processor, a temperature detection module, a 3.3 V power module, a 2.8 V power module and a control signal output drive module. The high beam control module comprises a double-voltage output power module, a signal input module, an output level switching module, a high beam control output module and a beam control MCU processor. By the adoption of the system, the influence factors of ambient light to a driver are integrated, a high beam controller is independent of a vehicle-mounted center control system, manual switching switch signals of steering column headlamps are sent to the high beam controller to serve as safety auxiliary signals, the reliability of a high beam control system is improved, and the intelligent control system for the high beams is suitable for transforming headlamps of various vehicles to be low in cost and high in practicality.

An enlargement and contraction system of image digit comprises image transducer, image pretreatment unit, control unit of image enlargement and contraction, enlargement and contraction unit of display image, image display unit, enlargement and contraction unit of compressed image and image compression storage. It is featured as using display image pantograph to enlarge or contract image from image enlargement and contraction controller then outputting it to display unit, using enlargement and contraction unit of compressed image to enlarge or contract image from said controller then outputting it to said storage.

The invention belongs to the field of three-dimensional parking equipment, in particular to multiple-entry-exit type horizontal circulation intelligent three-dimensional parking equipment. The two ends of one side of a main frame are provided with an inner guiding rail and an outer guiding rail correspondingly. A supporting wheel guiding rail is arranged between the inner guiding rail A and the outer guiding rail B. One end of the top of a vehicle loading platform is provided with two supporting wheels. The supporting wheels move along the supporting wheel guiding rail, the inner guiding railand the outer guiding rail. A transmission mechanism comprises a chain. The chain is fixedly provided with a vehicle loading plate connecting plate. The vehicle loading plate connecting plate is connected with a bearing of the vehicle loading platform. The invention provides the multiple-entry-exit type horizontal circulation intelligent three-dimensional parking equipment which can realize horizontal circulating garage floor installation, realize multiple-entry-exit design, and exchanges arc paths between the upper and lower layers, adopts a closed-loop guiding device, and ensures the stability of equipment operation.

The invention relates to a method for controlling an illuminative high-power LED, in particular to a method for managing a plurality of single-LEDs in groups. The method comprises the steps of: carrying out current sharing control and leading a group of single-LEDs with current greater than that of other groups of single-LEDs to distribute current to other groups of single-LEDs. The method for controlling the illuminative high-power LED can regulate work current in a unified manner, keep constant state and equal distribution of the work current, and guarantee uniformity between electrical parameter and temperature coefficient of the single-LED so as to effectively enhance stability and service life of the illuminative high-power LED.

The invention discloses a pair of bionic glasses with an eye fatigue avoiding function. The bionic glasses comprise a glasses frame, wherein an eyeglass is arranged under the glasses frame, the middle part of the glasses frame is provided with a speed reduction motor, a residual light shielding frame is arranged on the eyeglass, one side of the residual light shielding frame is fixedly provided with a connecting element, the connecting element and an output shaft of the speed reduction motor are in inserted and fixed connection, the eyeglass is completely lighttight, and the eyeglass and the residual light shielding frame are embedded and fixedly connected. The connecting element is in an L shape, the residual light shielding frame is in a U shape, and the speed reduction motor drives the residual light shielding frame and drives the eyeglass to horizontally turn once every 3 to 30 minutes. The bionic glasses have the advantages that the structure is simple, and the use is convenient; the left eye and the right eye of a user can take turns to have a rest when the user is in a work or study state; the eye fatigue is effectively avoided; and the occurrence rate of eye diseases is reduced.

The main transmission and conversion mechanism for automatic die cutting and thermoprinting machine includes pedestal, movable platform, four upper shaft seats connected to the movable platform and four toggle rod upper shafts, and features that between the four toggle rod upper shafts and the pedestal one combination of four conjugated cams and one lower toggle rod transmission mechanism are installed. The present invention has smart design of converting the rotation of conjugated cams into vertical straight line motion to make the platform obtain sufficient staying time in the highest point and the lowest point and fast ascent and descent speed and to meet the special technological requirement for pressing and gold stamping. The present invention has simple and compact structure, high processing quality, high production efficiency and wide application foreground.

The invention relates to a mounting bracket capable of being regulated in multiple directions for a spray head of an ink-jet printing machine. The mounting bracket comprises a bracket base, a horizontal lead screw pair, a perpendicular lead screw pair, a spray head connecting plate and a hinge clamping device, wherein a bracket carriage is inserted into the bracket base; the horizontal lead screw pair is arranged on the bracket carriage; the horizontal lead screw pair comprises a horizontal lead screw, a horizontal lead screw base, a horizontal carriage and a horizontal hand wheel; the horizontal hand wheel drives the horizontal lead screw and drives the horizontal carriage to move front and back; the perpendicular lead screw pair is arranged on the horizontal carriage; the perpendicular lead screw pair comprises a perpendicular lead screw, a perpendicular lead screw base, a perpendicular carriage and a perpendicular hand wheel; the perpendicular hand wheel drives the perpendicular lead screw and drives the perpendicular carriage to move up and down; and the hinge clamping device is arranged on the perpendicular carriage and is detachably connected with the spray head connecting plate. The mounting bracket is reasonable in structure, is simple to operate, is accurate in spraying positioning, is quick in regulating direction and is low in production cost.

The invention discloses a single-gantry automatic rotation lifting appliance, belonging to the technical field of automobile body lifting appliances. The single-gantry automatic rotation lifting appliance comprises a lifting appliance moving-conveying device which is arranged on a rail, wherein a balancing device is fixedly connected below the lifting appliance moving-conveying device; a rotating ring is connected below the balancing device in a matching manner; the rotating ring is provided with a synchronous belt with racks, and a positioning locking mechanism; the rotating ring freely rotates relative to the balancing device under the meshing action between the racks on the synchronous belt and synchronous gears on the balancing device. The single-gantry automatic rotation lifting appliance has the advantages that the structure is simple, the installation and use are convenient, and the stability and safety of the lifting appliance in the rotation process are effectively guaranteed by means of arranging a centralizing wheel, a circular rail supporting wheel, a synchronous belt pressing wheel, a rolling wheel and a guiding wheel in a balancing frame.

Provided is a film laminating machine used to laminate on a substrate. The machine is characterized in that the film laminating machine comprises an optical detector, before and after film laminating of a substrate, the optical detector detects microparticles on the substrate and bubbles on the substrate after film laminating. The optical detector is used to detect dust adhering condition on the substrate before film laminating, and detect bubble generating condition after the substrate is laminated with a film, so as to find out bad substrates in time, and achieve effect of improving total yield of substrate film laminating.

The invention relates to the field of pretreatment of a titanium concentrate, in particular to a titanium concentrate detection method and a green pellet detection method and provides a method for testing pelletizing performance of titanium concentrate as well as the titanium concentrate detection method and the green pellet detection method which are used for pelletizing material selection and have the advantages of high operability, high practicability and the like. The titanium concentrate detection method comprises steps as follows: a, particle size detection of the titanium concentrate: the titanium concentrate is weighed, and the particle size control range of pelletizing materials is 70%-98% of -200 meshes and 32%-85% of -325 meshes; b, wetting rate detection of the titanium concentrate: the titanium concentrate is added to a measuring cylinder, water is added to the measuring cylinder, the immersion volume in water is observed, a ratio of the immersion volume in water to time is taken as the wetting rate of the titanium concentrate, and the wetting rate of the pelletizing materials is controlled in a range of 2.5 mL/min-8.5 mL/min. The titanium concentrate detection method and the green pellet detection method have the characteristics of high operability, high practicability and the like and are particularly suitable for an industrial pellet production process.

The invention discloses a lithium ion battery and with high safety performance and a battery module. The lithium ion battery comprises an anti-explosion shell, an anti-explosion cap cover for sealingthe anti-explosion shell; an anti-explosion nicking is arranged at the bottom of the anti-explosion shell the anti-explosion cap cover comprises a top cover, an anti-explosion sheet, an insulation washer, a pore plate and a sealing ring; the pore plate is free from arranging the through hole; and an opening is formed on the insulation washer. Through the above arrangement, when a cell is exploded,the explosive blast wave is propagated to two ends to break through the anti-explosion nicking at the bottom of the battery shell with strong pressure, thereby preventing the explosion pressure fromleaking in advance; the pressure relief by opening two ends at the same time can be realized, thereby preventing the cell from upwardly ejecting, and preventing the ejected object from melting througha steel casing slot rolling, and preventing the high-temperature substance from ejecting to the peripheral adjacent cells. By comprehensively solving the chamber explosion, hole fusion and a large amount of cell ejection, the path of thermal diffusion of the monomer cell is blocked, and the safety performance of the high-nickel lithium ion battery is greatly improved.

The invention discloses a four-wheeled spraying trolley with adjustable height. Wheels are connected upwards with respective vertical supporting legs through wheel forks, and the upper ends of the vertical supporting legs are fixedly connected to four corner points of a frame respectively; each vertical supporting leg comprises a bottom section, a middle section and an upper section, wherein the bottom of each bottom section leg is connected to the corresponding wheel fork, the bottom section leg and the middle section leg are inserted and connected in a fastened mode through nut matching, the middle section leg and the upper section leg are inserted and connected in a fastened mode through nut matching, the bottom section leg and the upper section leg are inserted and connected in a fastened mode through nut matching, and the middle section legs are detachable legs which can be omitted or installed in the installing process of the four-wheeled spraying trolley. The four-wheeled spraying trolley has the advantages that compared with a common spraying trolley, the supporting legs of the walking wheels of the spraying trolley are arranged to be the structure with adjustable height, so that the four-wheeled spraying trolley is used for spraying pesticide to short crops as well as high crops like corn by adjusting the wheel legs to lift the frame. The four-wheeled spraying trolley with adjustable height has the advantages of being simple in structure and high in practicability.

The invention discloses an drill clamping device of a minimally invasive spine surgery robot, and relates to an drill clamping device of a robot, and the drill clamping device aims to solve the problems that operation time for total laminectomy cervical vertebra for decompression is long, labor intensity is great and operation difficulty is very great in the prior art. The drill clamping device comprises a V block joint, an drill clamping base, a locking end, two V block joint bolts and four locking end fixing bolts, wherein the drill clamping base is a cylindrical barrel; a first circular hole, a second circular hole, a third circular hole and a tapered hole are sequentially processed in the inner wall of the drill clamping base from top to bottom; the locking end is a ring-shaped body; the V block joint is fixedly mounted on the side wall, close to the top end, of the drill clamping base through the two V block joint bolts; an drill is inserted into the tapered hole, the third circular hole, the second circular hole and the first circular hole from bottom to top; the locking end sleeves the drill; and the locking end is fixedly mounted at the bottom end of the drill clamping base through the four locking end fixing bolts. The drill clamping device disclosed by the invention is used for the field of operation robots.

The invention discloses a method for controlling the content of N in bearing steel GCr15. The new technology of high-carbon and low-temperature tapping is adopted in the key tapping step; in the refining process, carbon powder is uniformly spread and added into a ladle furnace by a shovel, foaming slag is formed, and electrode submerged-arc heating is carried out; vacuum treatment and continuous casting protective casting are adopted. According to the method, N absorption is stopped and controlled in each processes of smelting of the bearing steel GCr15, the operation is simple, the energy is saved, the environment is protected, the cost is lowered, the cost performance and the market competitiveness of products are improved, and finally the content of N in the bearing steel GCr15 can be controlled to be smaller than or equal to 0.0050%.