80results about How to "Many models" patented technology

The invention relates to a method for producing n-alkane solvent oil from Fischer-Tropsch synthetic oil. According to the method, low-temperature Fischer-Tropsch synthetic light oil is adopted as a raw material, and is processed through upgrading and distillation separation processes with a fractionation tower, hydro-finishing, a degassing tower, a C6 / C7 cutting tower, a C5 / C6 cut tower, a C10 / C11 cutting tower, a C8 / C9 cutting tower, a C7 / C8 cutting tower, a C9 / C10 cutting tower, a C13 / C14 cutting tower, and a C17 / C18 cutting tower; such that various types of solvent oils such as n-pentane-rich, #6, #120, #140, #200, #D30, #D40, #D65, #D100 and #D120 solvent oils can be obtained. Compared to prior arts, all products produced with the method are n-alkane solvent oils. The method has the advantages of simple process flow, more produced solvent oil types, high solvent oil quality, and the like.

The invention relates to a root acclimation method of a camellia from soil culture to water culture. The core of the invention is characterized in that: the camellia is put in a water culture environment which is oxygenized timely for root acclimation in earlier stage of water culture till the camellia under acclimation send up water roots which adapt to the water culture environment, and therefore, the camellia that is cultured in soil is finally acclimated to completely adapt to the water culture environment to grow normally. The root acclimation method of the camellia has little stimulation to the camellia, and avoids a second adaptation process of the camellia after acclimation in clear water and then being transplanted in a nutrient solution environment, and can save labor force and cost.

The invention relates to an unmanned aerial vehicle monitoring system and a monitoring method thereof. The unmanned aerial vehicle monitoring method comprises the following steps: step 1, acquiring animage in a scanning area; step 2, forming a three-dimensional vision to determine whether a suspicious object exists in the image or not through a first camera and a second camera; step 3, if yes, calculating the standard position of the suspicious target, and tracking and shooting the suspicious target. A plurality of servo holders are arranged in the area to be detected, the first camera and the second camera are arranged on the two side end faces of each servo holder, after the unmanned aerial vehicle is found, the unmanned aerial vehicle is tracked and monitored through binocular vision according to the position information, the finding, identifying and disposing of the low-altitude low-speed small targets can be realized, the unmanned aerial vehicle is detected through the two cameras, the concept that the unmanned aerial vehicle is detected by radar is changed, and the detection cost of the unmanned aerial vehicle is reduced.

The invention relates to the technical field of piezoelectric ceramic power generation, and provides a piezoelectric ceramic power generation method and device. The device comprises an elastic piezoelectric ceramic piece, a driving mechanism and a switching device, wherein when an external acting force is applied to the driving mechanism, the driving mechanism transfers the external acting force to the switching device; when the force applied to the switching device is less than a first preset force, the switching device does not act or is deformed within a preset range; when the force appliedto the switching device is more than the first preset force, the switching device acts quickly to impact the elastic piezoelectric ceramic piece, and thus the elastic piezoelectric ceramic piece generates electric energy. According to the device and method provided by the invention, the switching device with a first state and a second state is used, the effect of setting the driving threshold forthe external acting force is achieved, the corresponding quick deformation speed is also transferred to the elastic piezoelectric ceramic piece, and thus the more power is generated.

The invention relates to a fire-fighting early-warning monitoring and intelligent management system based on an internet. The system integrates functions of eight kinds of software, comprising telephone networking early-warning software, wire video monitoring early-warning software, wireless video monitoring early-warning software, mobile video monitoring early-warning software, satellite video monitoring early-warning software, video on demand software, video session software, live video software, and the like, and the functions can be used independently or integratedly by users. The system can perform large-area networking management on fire alarm systems in buildings, and can realize effective monitoring and quick alarm. The system guarantees the normal operation of the fire alarm systems and fire safety facilities, improves the reliability of the fire alarm systems, and reduces the rate of false alarm. Moreover, through the equipment operating data and alarm information of the fire early-warning monitoring intelligent alarm system based on the internet, the developing process of intelligence and networking of city fire management is accelerated, and thus, the integral technology level and the comprehensive capability of fire prevention and reduction are enhanced.

The invention discloses a grinding wheel dressing mechanism with a position-adjustable dresser. The grinding wheel dressing mechanism comprises a dresser mounting seat. The dresser mounting seat comprises a top plate. A dresser regulating seat is supported on the dresser mounting seat and provided with strip-shaped holes, each strip-shaped hole is penetratingly connected with a first bolt, a dresser regulator is fixed on the dresser mounting seat through the first bolts, an opening is formed in the top plate of the dresser mounting seat, and the dresser capable of moving or swinging in a position where the opening is formed is arranged in the position of the opening of the top plate. The dresser comprises a vertically-arranged driving motor which is supported by the dresser regulating seat and connected with a dressing-wheel main shaft device, and the other end of the dressing-wheel main shaft device penetrates the top plate from a position of the opening to be connected with the dressing wheel. The grinding wheel dressing mechanism is reasonable in structural design, large in regulation range of the dresser, large in the amount of types of grinding wheels capable of being dressed, high in regulating precision, large in machinable range and good in dressing effect.

The invention belongs to the technical field of turbine vibration fault diagnosis, and relates to turbine vibration fault diagnosis adopting deep learning, namely a turbine vibration fault diagnosis method based on a deep learning artificial neural network. The invention discloses a turbine vibration fault diagnosis method based on a deep learning artificial neural network. Parameter characteristics and connection among parameters when the turboset system vibrates are comprehensively considered. Data are preprocessed through multivariate analysis, so that an independence relation among variousdata is established, redundant data are reduced, a basic feature table is constructed, then deep learning artificial neural network training is carried out, and the trained deep learning artificial neural network is obtained to diagnose the vibration fault of the steam turbine. The method is based on the deep learning artificial neural network, and is characterized in that the deep learning artificial neural network is used, so that the construction of a calculation model is avoided, and meanwhile, the dimension reduction is carried out by using multivariate analysis during data preprocessing.

The invention discloses a method for determining environment information on the basis of a three-dimensional heat source environment model with low cost. The method utilizes a two-dimensional laser radar to carry out modeling on environment under the assistance of a steering engine, an environment model is fused with heat source information obtained by a thermal imager, and finally, the three-dimensional heat source environment model with spatial information and heat source information is constructed. The model is constructed in a point cloud form, and a greedy projection triangulation algorithm is used for carrying out triangularization to enhance a real effect. By use of the method for carrying out real-time modeling on the heat source environment on a premise of low cost, modeling accuracy can be regulated according to requirements, and the three-dimensional heat source model of the environment is obtained.

The invention provides a wireless charging method and related equipment. The method comprises the following steps that: under the condition that charging equipment successfully shakes hands with external terminal equipment, a driving assembly is controlled to drive a second magnet to move to a target position, a distance between the second magnet at the target position and a first magnet on the terminal equipment is smaller than a preset distance; at the target position, the second magnet is controlled to work with first power, and the second magnet working with the first power is used for theadsorption and alignment of the charging equipment and the terminal equipment; and after the charging equipment and the terminal equipment are adsorbed to each other and aligned with each other, thesecond charging coil of the charging equipment transmits electric energy to the first charging coil of the terminal equipment, so that the battery of the terminal equipment can be charged. Therefore,with the movable second magnet adpted, the charging equipment can charge terminal equipment of different types and sizes, and the types of the terminal equipment are effectively enriched.

The invention discloses an ash smearing device and a construction method in large-area ground flatness control of an ash smearing device. The ash smearing device comprises ash cakes and a scraping lever. The ash cakes are symmetrically arranged on ground base layers of the left side and the right side of the ground to be cast, and multiple ash cakes of the left side and the right side of the ground to be cast are arranged at intervals in a concrete casting direction. The ash cakes of either of the left side and the right side are provided with an angle iron guide rail, and the scraping lever is arranged between two angle steel guide rails. The construction method comprises the following steps that a level controlling line is confirmed, the ground base layer is cleaned, the ash cakes are set, the angle steel guide rails are placed, and concrete casting is performed. The ash smearing device and the construction method in large-area ground flatness control of the ash smearing device solve the technical problem that in a traditional ash smearing project, even if the flatness of the upper surfaces of the ash cakes can be ensured, when casting bottom ash is cast by exceeding the thickness of the ash cakes and the lever is scraped, the requirement for flatness of the large-area ground can still not be met.

The invention relates to a new type ink bag and sprayer combination device. The device comprises ink bags, a sprayer, and a sprayer cover; a plurality of ink bags are correspondingly assembled on the sprayer through the sprayer cover; the upper end of the sprayer cover is provided with a connecting slot corresponding to an ink outlet of the ink bag, the bottom of the connecting slot is provided with an ink guiding hole extending to the lower end surface of the sprayer cover; and the oil guiding hole is correspondingly connected with an ink inlet end of the sprayer. The compatibility of the ink bag and the sprayer is improved through the rotary connection of the ink bag and the sprayer via the sprayer cover, so that the ink bag type capable of being matched with the sprayer is more; the upper end of the sprayer cover is connected with the ink bag through the connecting slot and the ink guiding opening, the lower end is provided with a connecting slot corresponding to the ink inlet end of the sprayer; and the device is simple in structure, convenient for installation, tight in connection and capable of effectively solving the problem of untight connection of the ink bag and the sprayer, and improves the printing quality.

The invention relates to a manufacturing method for an elevator sill. The manufacturing method comprises the following steps of: (1) forming an elevator door chute via rolling in the middle of a stainless steel strap material to serve as a sill body; and (2) longitudinally bending two sides of the sill body downwards to form a first side arm and a second side arm via cold bending rolling, and respectively bending the lower ends of the first side arm and the second side arm inwards and extending the lower ends to form a first bottom bracket and a second bottom bracket, wherein the lower end faces of the first bottom bracket and the second bottom bracket are in the same surface, and the top surface of at least one of the bottom brackets is pushed against the bottom surface of the door chute. According to the method, the sill body and the part served as a bracket are arranged integrally, thus the obtained sill not only has high intensity, but also has attractive, simple and generous appearance and practicability. Additionally, by using the method provided by the invention, the shape of the second side arm can be designed conveniently to meet the requirements of different occasions inpractical application, and the types of the elevator sills are enriched.

The invention provides a screw of a screw vacuum pump, and belongs to the technical field of vacuum pumps. The problem that the screw of the existing screw vacuum pump cannot meet the specific process conditions at present is solved. The number of turns of the upper spiral groove of a suction part, in the screw of the screw vacuum pump, is 0.75-1.25; when the number of turns of the upper spiral groove of a compression transition part is 1, the number of turns of the upper spiral groove of an exhaust part is more than 3; when the number of turns of the upper spiral groove of the compression transition part is more than 1, the number of turns of the upper spiral groove of the exhaust part is 1.75-4. The screw of the screw vacuum pump has the advantages that the vacuum pump is high in ultimate vacuum, is stable in performance while the manufacturing cost is almost not increased, and then more types of screw vacuum pumps are available with a more widespread application domain. In the screw vacuum pump adopting the pitch variable screw provided by the invention, the compression ability is optimized by appropriately increasing the number of turns of the spiral groove as wound, the exhaust efficiency of the exhaust part is improved, the excessive compression phenomenon because the air in the exhaust part cannot be exhausted is alleviated, and then the unit energy consumption is reduced effectively.

A PMAC-based painting robot control system comprises an upper stage and a lower stage. A host computer is a PC. A slave computer is a PMAC card. The system is mainly composed of the PC and a multi-axis motion control card (PMAC), and is equipped with an AC servo motor, a servo driver, and an encoder so as to form a modular control system. The system has the upper and lower stage open features, is simple and diverse in programming, has a large number of modes, and can compensate the deficiencies of a single mode in the open control system. Further, the system is relatively simple in structure and low in cost, has a great advantage in the price compared with a foreign painting robot, and is easier to generalize and popularize.

The invention provides a hand-held spray head and belongs to the field of health spray equipment. The hand-held spray head comprises a spray head body. The spray head body is of a hollow structure and internally provided with a pipe which penetrates through the two ends of the spray head body, and the two ends of the pipe are provided with a water inlet and a water outlet respectively; the spray head body is internally provided with a heating device, the heating device comprises a power supply mechanism and an electric heating wire, the electric heating wire is sleeved with an electric heating tube, and the electric heating tube is located in the pipe; the outer side of the spray head body is provided with a pressing switch, the pipe is internally provided with a blocking piece which blocks the water inlet and the water outlet, and the blocking piece is connected with the pressing switch; the pressing switch is further connected with a first contact point electrically connected with the power supply mechanism, the electric heating wire is electrically connected with the power supply mechanism as well, and a second contact point is arranged on the electric heating wire. Compared with a mode of cleaning only through paper towel, the handheld spray head has a better cleaning effect, invisible germs can be cleaned up, and guarantee is brought to the health of a user.

The invention relates to a clamp used for universal steel submerged-arc welding. The clamp comprises a bottom plate. The right side of the bottom plate is fixedly connected with an air cylinder. A support rod is fixed to the left side of the bottom plate. An L-shaped plate is installed at the upper end of the support rod in a hinged mode. A push rod of the air cylinder is connected to the other end of the L-shaped plate in a hinged mode. A post is arranged at the end, close to the air cylinder, of the L-shaped plate and distributed in the direction parallel to the long side of the L-shaped plate. The post is sleeved with a clamping sleeve in a matched mode. The clamp used for universal steel submerged-arc welding is simple in structure, flexible to adjust, wide in applicable universal steel range, extensive in model, and capable of being applicable to other profiles besides universal steel; and the profile clamping efficiency and clamping convenience degree are greatly improved, and the enterprise profitability and industrial competitiveness can be further improved.

The invention discloses a waste acid recovery apparatus, which comprises a waste acid tank, a flow meter, a pressure gauge, an electric control cabinet, a manual valve, a transmission cable and at least two automatic valves, wherein the waste acid tank is connected with a waste acid inlet of a treatment tank sequentially by a waste acid pump and a first security filter, a water tank is connected with a water inlet of the treatment tank sequentially by a water pump and a second security filter, a recovered acid outlet of the treatment tank is connected with a recovered acid tank, a wastewater outlet of the treatment tank is connected with a wastewater tank, multiple treatment tanks with different sizes are provided, and a corresponding amount of waste acid treating resin is arranged in each model of treatment tank. The waste acid recovery apparatus disclosed by the invention can carry out effective recovery and regeneration on waste acids, the treatment amount of waste acids is large, and the recovery rate is high; and the apparatus is small in occupied land, more in model, less in investment cost, and less in used control parts, at least two three-way automatic valves can be used, the apparatus can serve to small and medium-sized enterprises in a vehicle-mounted mode, and the design of the apparatus can be adjusted according to the requirements of resource recovery of enterprises.

The invention relates to a sine crank mechanism of a preloaded bearing. According to the mechanism, noise and abrasion can be reduced, and the output precision can be improved. The mechanism comprises a driving rotating disc, an output connecting rod, a frame upper cover plate, a first bearing, a second bearing, a crank cantilever, a frame lower cover plate, guide rails, a connecting part and a base. The mechanism is characterized in that the first bearing and the second bearing are coaxially mounted on the crank cantilever, and the crank cantilever is fixed to the driving rotating disc through nuts; a frame is formed by fixing the frame upper cover plate and the frame lower cover plate to connecting parts through the bolts, and the frame is in sliding connection with the guide rails through the connecting parts; and the output connecting rod is fixed to the frame upper cover plate, and the guide rails are fixed to the base. The mechanism solves the problems that in the revolving process of the mechanism, the crank cantilever strikes the frame to generate noise and abrasion, and consequently, the output sine motion precision is low.

The invention provides an output voltage feedback circuit of a switching converter. The output voltage feedback circuit comprises a diode D5 and a Zener diode ZD1;an anode of the diode D5 is connectedwith a positive terminal of the output voltage, and an anode of the Zener diode ZD1 is used as an output end of the output voltage feedback circuit and is used to be connected with an FB pin of a control chip; a temperature compensation circuit is included; the temperature compensation circuit includes a compensation device complementary to the temperature variation characteristic of the Zener diode ZD1; and the temperature compensation circuit is serially connected between the diode D5 and the Zener diode ZD1, i.e., one end of the temperature compensation circuit is connected to a cathode ofthe diode D5, and the other end of the temperature compensation circuit is connected to a cathode of the Zener diode ZD1. Compared with the conventional voltage stabilization feedback circuits, the solution of the invention has more stable voltage precision in a high temperature environment.

The invention discloses an intelligent aluminum alloy bar concrete structure, and a manufacturing and construction method thereof. A skeleton of the concrete structure consists of aluminum alloy bars, and the aluminum alloy bars contain intelligent aluminum alloy bars. Each aluminum alloy bar is formed as follows: a groove is formed in aluminum alloy, a fiber grating sensor is placed in the groove, and the inner wall of the groove and the fiber grating sensor are coated with protective layers. The intelligent aluminum alloy bar concrete structure provided by the invention is lightweight, high-strength and corrosion-resistant, improves the durability of the concrete structure, can monitor the stress and safety health of the concrete structure in real time and perform early warning, and has high strain measuring precision and is low in cost.

The present invention discloses a linear array camera with a high frame rate based on an area array image sensor and an implementation method thereof. The linear array camera with a high frame rate comprises: an area array image sensor, a microcontroller, a collection timing sequence generation module, a window cutting module, an image cache module, an image stitching module and an interface module. The resolution ratio of a linear array industrial camera is not influenced by the resolution ratio of a linear scanning image sensor, and rich area scanning sensors can be suitable for a linear array industrial camera. The area scanning sensors with low cost are rich in models to reduce the cost of the linear array industrial camera. The linear array camera with a high frame rate based on the area array image sensor and the implementation method thereof can effectively replace the separator scheme of a linear array camera+a cable+an image collection card with a high cost.

The invention discloses an ultralow-loss low-end ideal diode. The ultralow-loss low-end ideal diode comprises a combinational logic control circuit and a first NMOS transistor. The combinational logiccontrol circuit comprises a second NMOS transistor, a third NMOS transistor, a first resistor and a second resistor. The drain electrode of the first NMOS tube is connected with the source electrodeof the second NMOS tube and the negative electrode of the power supply, the source electrode of the first NMOS tube is electrically connected with the source electrode of the third NMOS tube, the gridelectrode of the first NMOS tube is electrically connected with the drain electrode of the third NMOS tube, the grid electrode of the second NMOS tube is connected with the drain electrode of the second NMOS tube and the grid electrode of the third NMOS tube, the drain electrode of the second NMOS tube is connected with the positive electrode of the power supply through the first resistor, the drain electrode of the third NMOS tube is connected with the positive electrode of the power supply through the second resistor, and the load is connected between the positive electrode of the power supply and the source electrode of the first NMOS tube. The anti-backflow circuit has an anti-backflow function, can protect a preceding-stage circuit, and is very low in loss, simple in circuit and highin practicability.

The present invention provides an artificial straight blood vessel for over-turning anastomosis. The artificial straight blood vessel for over-turning anastomosis consists of an annular line anastomosis section, a vertical line connecting section and an annular line extension section, the vertical line connecting section is respectively connected with the annular line anastomosis section and the annular line extension section, the annular line anastomosis section is turned over outwards, two sections of blood vessels of the annular line anastomosis section and the vertical line connection section are tightly jointed after being turned over, and the whole shape of the artificial blood vessel is in a turned-over cuff shape. The artificial blood vessel is woven by adopting a polyurethane material, and an inside and an outside of the blood vessel both contain albumin coatings. The artificial blood vessel is simple to manufacture, non-magnetic, not narrow inside, good in longitudinal line expansion, complete in models, and suitable for people of various body types, and especially contains small diameter models. The artificial straight blood vessel can continuously suture a plurality ofstitches, realizes fast and efficient suturing, is not easy to cause anastomotic stenosis and convenient to complete a blood vessel replacement operation, has good hemostasis and compression effects,obviously reduces a bleeding incidence rate of anastomotic stoma, ensures anastomotic quality, and has simple and convenient operation and exact effects.

A technology for preparing the cross-linked foam tube (or rod) includes such steps as pugging the foam plastics in roller mill or Banbury mixer, cooling, pulverizing, extruding out while granulating, injecting the particles into a mould set, and cross-linking while foaming. Said mould set is composed of a mould shell with moulding cavity, and a mould core.

The invention provides a screw of a screw vacuum pump, and belongs to the technical field of vacuum pumps. The problem that an existing screw of the screw vacuum pump can not meet specific technological conditions is solved. The number of circles of a spiral groove in an air intake part in the screw of the screw vacuum pump is 0.75-1.25. When the number of circles of a spiral groove in a compression transition part is 1, the number of circles of a spiral groove in an exhausting part is larger than 3. When the number of circles of the spiral groove in the compression transition part is larger than 1, the number of circles of the spiral groove in the exhausting part is 1.75-4. By means of the screw of the screw vacuum pump, the final vacuum degree of the vacuum pump is higher, the performance is more stable, the manufacturing cost is hardly increased, the screw vacuum pumps have more models, and the application range is wider. According to the screw vacuum pump adopting the variable-pitch screw, by properly increasing the number of winding circles of the spiral grooves, the compression capacity is optimized, the exhausting efficiency of the exhausting part is improved, the phenomenon that air of the exhausting part can not be exhausted and compression is excessive is relieved, and the unit energy consumption is further effectively lowered.

The invention discloses a multifunctional ceramic craft processing mechanism. The motor of the mechanism is connected with a belt pulley through a belt, and a machine frame, a guide rod, a blank pulling mechanism and a blank processing mechanism are sequentially connected with one another. The guide rod is positioned in the positioning hole of the machine frame. The blank pulling mechanism and the blank processing mechanism are positioned on the guide rod so as to achieve free and rotary switching. A power mechanism and a power transfer mechanism are fixed to the machine frame. After the adoption of the multifunctional ceramic craft processing mechanism, the shape accuracy of ceramic craft products can be improved, the manpower is lowered effectively, and the multifunctional ceramic craft processing mechanism is extensively applied to batch production of manual ceramic craft products.

The invention belongs to the field of railway tunnel maintenance and management, and discloses a tunnel maintenance platform. The tunnel maintenance platform comprises a chassis portion, a carriage portion, a lifter portion and an equipment portion. The chassis portion comprises a transmission system and a brake system. The transmission system is composed of a base plate, an electric motor and a rotating shaft, and wheel sets are respectively arranged at the two ends of the rotating shaft. The brake system is composed of a brake shoe, a brake pad, a brake rocking handle, a rotating sleeve and a brake hand wheel. The carriage portion is composed of a carriage frame, a carriage door, and a carriage body formed by combining the carriage frame and a carriage panel. The lifter portion is mainly composed of a platform, equipment, a motor and an electric cable, wherein the platform is a slab, a cable bearing column and a one-level folding platform body connected with one side of the slab in a rotating mode are arranged on the slab, and the one-level folding platform body is connected with the top end of the cable bearing column through a traction cable. The tunnel maintenance platform has the self-walking function and the self-lifting function and is provided with a multifunctional hydraulic rock drilling set, and therefore the labor intensity is lowered, the efficiency is improved, the quality is guaranteed, and the labor force input is reduced.

The invention discloses an artificial prosthesis and a preparation method thereof. The prosthesis is designed through three-dimensional software, a digital prosthesis model is obtained, and the digital prosthesis model has morphology parameters consistent with those of the designed prosthesis; the obtained digital prosthesis model is integrally printed and formed through a digital 3D printer, and a prosthesis blank is obtained; an adhesive on the prosthesis blank is removed, and the prosthesis blank is dried; the dried prosthesis blank obtained in the previous step is sintered, and a preformed prosthesis is obtained; and post-treatment is carried out on the preformed prosthesis, and the formed prosthesis is obtained. The artificial prosthesis follows the modern die-free digital additive manufacturing one-time forming concept, the batch production advantages of a traditional powder metallurgy technology, a traditional manufacturing process and the like are combined, one-time forming without a physical interface between an artificial joint prosthesis bone growing or bone ingrowth face and a base body is achieved, no die is needed, and the production efficiency is improved.