42results about How to "Reasonable principle" patented technology

The method includes steps: parsing object to be tested, picking up tested information from the object tested; displaying the picked test information, receiving test information input from user; generating test case based on the picked test information and the inputted test information; combining the test case and object to be tested creates testing target codes; running the testing target codes implements test for robustness of software product. The invention also related to device for testing robustness of software product. The invention can realizes automatic generation and automatic extraction for test information of tested object.

The invention belongs to the technical field of sand mixing equipment and relates to a continuous clay sand mixer. A new and old sand bin, a bentonite bin and a pulverized coal bin are arranged above a comprehensive charging hole, a moisture detector connected with a PLC control unit in an electric information mode is arranged under the new and old sand bin, and online detection of moisture of new and old sand before sand mixing can be achieved; after a human-machine control interface presets raw material parameters, the PLC control unit is used for analysis and calculation to control operation of a water pump frequency converter, a bentonite spiral feeding frequency converter and a pulverized coal spiral feeding frequency converter, and water, bentonite and pulverized coal are continuously added to a mixing cage in real time in an online and quantified mode; a return bin with a discharging mechanism is arranged under the mixing cage, so that mixed moulding sand is conveyed to the next production link; the mixer is simple in structure, reasonable in design, scientific in principle, simple in operation, high in sand mixing efficiency, good in sand mixing effect and good in finished product performance, the production efficiency is improved, and production cost is lowered.

The invention relates to an air filter for breathing and a filter element thereof, belonging to the field of health protection. By adopting the bionic principle simulating the nasal cavity of human body, the filter element is formed by stacking a filtering layer and a liquid absorbing layer at intervals, and is positioned between an air inlet channel and an air outlet channel which are arranged inside a shell of a filtering component; and the liquid absorbing layer of the filter element extends into filtrate inside a liquid storage cavity, and the air outlet channel of the filtering component is connected with a breathing mask. The air filter has good filtering effect and convenient use, is suitable for staff working in the environment of dust, smoke and waste gas, and can be taken as fire control preparation article for standby application.

The preparation method of guanidine carbonate includes the following steps: melting, dissolving, filtering, dewatering and crystallizing so as to obtain the invented product with high purity. Its quality if good, and its purity can be up to 99.9%.

The invention relates to an experimental method for simulating falling down of a power grid, which is mainly used for simulating the fall-down situation of the power grid, so as to detect the running conditions of an electric generator, a converter and other equipment in wind energy field when the power grid falls down. The experimental equipment adopted by the invention comprises a first transformer, a second transformer, a switch and an alternating current power supply; the secondary edge of the first transformer comprises a first winding and a second winding, the second winding is connected with the secondary edge of the second transformer in series; the primary edge of the second transformer is connected with the switch; and the alternating current power supply in parallel. The experimental method disclosed by the invention includes both the normal situation and fall-down situation of simulating the power grid. The theory of the invention is correct and feasible; the invention does not need to be transported to the site to wait for the happening of short circuit or falling down or other faults of the power grid when detecting electric generators, converters and other equipments in wind energy field, thereby saving product delivery time.

The invention discloses a method for measuring iron / calcium ratio in an iron-calcium core-spun yarn, which comprises the following steps: preparing standard solutions which comprise a calcium standard solution and an EDTA (ethylene diamine tetraacetic acid) standard solution, and calculating the concentration C of the EDTA standard solution; separating iron powder and calcium particles in the iron-calcium powder with a magnet, and adding water and the EDTA standard solution into the separated iron powder to prepare a sample solution; and titrating the sample solution with the calcium standard solution, and calculating the iron / calcium ratio in the iron-calcium core-spun yarn according to the concentration of the calcium standard solution and the concentration C of the EDTA standard solution. The technical scheme disclosed by the invention can be used for accurately measuring the iron / calcium ratio in the iron-calcium core-spun yarn, and is simple to operate.

The invention mainly provides high-efficiency suction tube packaging equipment which mainly comprises a workbench, material grabbing equipment, encapsulating equipment and conveying equipment, wherein a power supply switch and a speed regulating button are arranged on the side surface of the workbench; a master control module is arranged below the workbench; a packaging box is arranged at the lower right of the workbench; a material-dropping funnel is arranged on the workbench; a first material grabbing mechanical hand is arranged below the material-dropping funnel; suction nozzles are arranged at the periphery of the first material grabbing mechanical hand; one side of the first material grabbing mechanical hand is provided with a packaging film machine; one end of the packaging film machine is provided with a pressure cutter; one end of the pressure cutter is provided with an encapsulating device; one side of the encapsulating device is provided with a second material grabbing mechanical hand; clamping jaws are arranged at the periphery of the second material grabbing mechanical hand; finished product suction tubes are clamped by the clamping jaws; a conveyor belt is arranged at the right sides of the clamping jaws; the two ends of the conveyor belt are provided with a first power motor and a second power motor; and the conveyor belt is used for conveying finished product suction tubes to the other end of the conveyor belt, so that the finished product suction tubes drop into the packaging box.

The invention discloses a bathroom mobile phone containing box capable of preventing neglected taking. A through hole is formed in the upper side of a box body, two through holes are formed in the upper portion and the lower portion of a baffle respectively, and the baffle is fixedly connected to the right side position of the box body. A spring bolt hole is formed in the left side of the box body, a shaft sleeve is located on a backboard of the box body, and a through hole is formed in the front side of the box body. Two round rods serve as guide rods, the left end faces of the guide rods are connected to a left vertical plate, a right vertical plate is located at the right of the left vertical plate, and the two guide rods penetrate through the right vertical plate and are connected with the baffle. The guide rods are sleeved with push springs, the left ends of the push springs are tightly attached to the right vertical plate, and check heads are located at the upper end of the right vertical plate. A spring bolt penetrates through the spring bolt hole, and the guide rods penetrate through the through holes in the baffle. A rotary knob is connected to the front end of a rotating shaft, and a lug is connected to the rotating shaft. The rotating shaft penetrates through the through hole of the box body and is inserted into the shaft sleeve hole. A through hole is formed in the bottom of the box body of the containing box, the lower end of a bolt is in a wedged shape, and the upper face of the bolt is connected with a movable plate. The push springs are arranged below the movable plate, and the bolt penetrates through the bottom hole in the containing box. The bathroom mobile phone containing box capable of preventing neglected taking is reasonable, reliable and practical in theory, convenient and safe to use, and simple and practical in structure, and the using way of a door lock is similar to that of an existing door lock.

The invention discloses a flat sample unsaturated soil triaxial test-based volume measurement device and a measurement method thereof. The measurement device comprises a horizontal transverse transparent calibrated scale, a horizontal longitudinal transparent calibrated scale, a vertical transparent calibrated scale, a supporting pole, a horizontal transverse steel needle and a horizontal longitudinal steel needle. The invention has the following advantages: the device and the method are suitable for unsaturated soil; the device is aimed at flat small samples, thickness of which is less than thickness of conventional triaxial samples; soil-water characteristic curve test time is greatly shortened; by ingenious utilization of the physical law that a convex mirror has an amplifying effect, a pressure chamber cover and confining pressure water form a convex mirror, a person watches the orthographic reading of an end of the steel needle projected on the scale, the orthographic projection on the scale is clear for distinguishing, and the reading is accurate; according to the trapezoid median line theory, diameter of a sample is calculated through the reading of the steel needle on the transparent calibrated scale, errors caused by installation of the steel needle are eliminated by the calculation method, and the result is more accurate; and the device has reasonable principle, has high measurement precision and is simple and economical.

The invention discloses a hyper-spectral end member extraction preprocessing method based on space-spectrum combination. The method comprises: step one, carrying out multidimensional Gaussian filtering on an original hyper-spectral image to obtain a series of new hyper-spectral images; step one, carrying out spatial homogeneity calculation on the new hyper-spectral images to obtain a spatial homogeneity index corresponding to each pixel in the new hyper-spectral images; step three, processing the original hyper-spectral image by using an unsupervised clustering method and carrying out pre classification on the image to enable one class to be one cluster; step four, for each cluster, determining sub sets of the pixels based on the homogeneity indexes of the pixels and determining an extremecluster; step five, selecting the clusters, carrying out end member extraction on the pixels in the sub sets and extracting one end member pixel for each cluster to obtain one group of end member abundance graphs; and step six, completing image identification and classification based on the end member abundance graphs.

The invention discloses a garbage screening machine with a flail knife crushing function. The garbage screening machine comprises a rack body, a rotary roller screen and a crushing rotary shaft, wherein supporting wheels are arranged on a bottom side plate of the rack body; the rotary roller screen is placed above the supporting wheels; a working cavity is formed in the middle of the rotary roller screen; the crushing rotary shaft penetrates into the working cavity of the rotary roller screen; the rotation direction of the crushing rotary shaft is opposite to that of the rotary roller screen; a flail knife assembly is arranged on the crushing rotary shaft; crushing blades are arranged on the flail knife assembly; two ends of the crushing rotary shaft are respectively provided with a rotary shaft seat; the rotary shaft seats are assembled on the rack body. The garbage screening machine adopts a dual-action mode of opposite shaft screen rotation, is high in material crushing capacity and good in crushing effect, adopts a flail knife crushing mode and adopts a principle of inertial kinematics in physics; the rotary roller screen is independently adopted, and screen holes in the rotary roller screen can be prevented from being blocked; by arranging a water spraying pipe, double effects of cleaning the wall surface of the rotary roller screen and cleaning materials are achieved; the viscosity of the materials is reduced, and the materials are convenient to crush.

The invention discloses a differential type mold locking pressure relief oil way for a two-plate injection molding machine. The differential type mold locking pressure relief oil way comprises a cartridge valve, two two-position two-way electromagnetic directional valves and an oil tank, wherein a bottom working oil port of the cartridge valve communicates with a mold locking cavity, a side edge working oil port of the cartridge valve communicates with a mold breaking cavity to form a main channel oil way, when mold locking acts and an electromagnet of a second two-position two-way electromagnetic directional valve is electrified, a pilot port of the cartridge valve reaches a side working oil port of the cartridge valve through a first damper, a third damper, a fourth damper and a fifth damper, and a bottom working oil port of the cartridge valve reaches the side working oil port of the cartridge valve through a second damper, the fourth damper and the fifth damper, the cartridge valve is slowly opened to realize differential mold locking pressure relief, and during mold breaking action, when the electromagnet of the first two-position two-way electromagnetic directional valve is electrified, the pilot port of the cartridge valve reaches the oil tank through the first damper, so that the cartridge valve is quickly opened to realize differential mold breaking. The differential type mold locking pressure relief oil way has the advantages that the mold locking and pressure relief process is stable, the mold breaking action is considered, and the oil cleanliness is good.

The invention belongs to the technical field of mechanical engineering and discloses an installing technology of a brake pulley of a double tilting angle compensation coupling; the invention essentially comprises the coupling and the brake pulley, the brake pulley is installed on a hub which is arranged on a half coupling at one side of two couplings with double tilting angle compensation function. When the brake pulley brakes, the technology can ensure that the radial compensation function of the coupling is not restricted. The technology has reasonable mechanism principle and simple processing, can greatly improve the stressing state of the equipment coupled, the coupling and a brake, prolong the service life of equipment and improve the reliability as well, thus the new installing technology of the brake pulley on the coupling has high popularization value.

The present invention relates to a preparation method of trichloromethyl chloroformate and its special-purpose equipment. It includes the following steps: placing methyl chlorocarbonate in an enamel reactor still; under the double catalytic action of liught and phosphorus pentachloride and under the conditino of that the reactor still temp. is 50-80 deg.C continuously introducing chlorine gas into the reactor still in speed of 8-15 kg / hr. to make chlorination reaction to produce trichloromethyl chloroformate and hydrogen chloride; reaction time is 48-70 hr., detecting specific weight of material d1(35 deg.C)=1.61-1.62, after the reaction reaches to end point, stopping introduction of chlorine gas, cooling and discharging to obtain the invented finished product trichloromethyl chloroformate whose purity is greater than or equal to 98%.

The present invention relates to chemical product and is especially the preparation process of guanidyl thiocyanate. The technological process includes the following steps: melting, dissolving, filtering, dewatering and crystallization, and can obtain high-purity guanidyl thiocyanate. The technological process is simple, practical and reasonable, and the guanidyl thiocyanate product has high quality and high purity over 99%.

The invention relates to a dry type electrostatic processing device for haze. The electrostatic adsorption principle is utilized, adsorbing panels are arranged in a paired mode, by means of zigzag fold design of the adsorbing panels, an effective electric field at a bent position is strong, adsorption force is large, the effective adsorption area is large, dust removal efficiency is high, on-site electricity connecting is achieved, direct-current electricity with voltage below 36 V is obtained by means of rectification, voltage is low, safety is high, the dry type electrostatic processing device can be suitable for being installed and used in the people group environment, potential safety hazards are avoided, and the dry type electrostatic processing device can be applied to existing facilities such as street lamp poles, telegraph poles and advertising board stand columns for site electricity obtaining and installing.

The invention discloses a novel distribution cabinet arrester deterioration protection device which comprises an arrester and a compensating impedance element. One end of the arrester is connected with the compensating impedance element. The compensating impedance element is connected in parallel with a resistance increasing switch. The compensating impedance element is connected in parallel with the resistance increasing switch, and then is connected in series with a control unit. One end of the control unit is connected with a current transformer. The other end of a power supply transformer is connected with the compensating impedance element. The novel distribution cabinet arrester deterioration protection device provided by the invention has the advantages of reasonable principle, high operation reliability and perfect technical performance, is adaptable to the characteristics of Chinese power grids, matches the mechanism of failure damage of the arrester, can be promoted, is built with a variety of communication protocols, and is suitable for a variety of communication environments.

A widely adaptable zinc oxide arrester degradation protection device, including a arrester and a compensation impedance element, one end of the arrester is connected to the compensation impedance element, the compensation impedance element is connected in parallel with an increasing resistance switch, and the compensation impedance element is connected in parallel with the increasing resistance switch to control The units are connected in series, one end of the control unit is connected to the current transformer, and the other end of the power transformer is connected to the compensating impedance element; the advantages of the present invention are: reasonable principle, high operational reliability, adaptability to the characteristics of my country's power grid and lightning arrester The mechanism of failure and damage matches, the technical performance is perfect, and it can be popularized and used. It has built-in multiple communication protocols and is suitable for various communication environments.

The invention discloses a cell box for body heater and a control method of the cell box. The cell box comprises an outer shell, a control circuit and a charging cell which is electrically connected with the control circuit. The cell box is characterized in that the control circuit is provided with a charging connector, a discharging connector, a charging-discharging protecting chip, a voltage stabilization chip and a diode, after the charging connector is isolated through the diode, the charging connector is divided into two paths, one path charges the charging cell through the charging-discharging protecting chip, the other path carries out direct discharging through the discharging connector, and the charging connector and the discharging connector are arranged on the outer surface of the outer shell. According to the cell box, the charging connector, the discharging connector, the charging-discharging protecting chip, the voltage stabilization chip and the diode are added on the control circuit so that the cell box can carry out charging and discharging at the same time, above all, a charging socket and a discharging socket are arranged on the outer surface of the outer shell, a user can carry out inserting and using conveniently, operation is easy, and the circuit principle is simple and reasonable.

The invention belongs to the field of clothes dryers, and in particular relates to a control method of a quick clothes dryer and a quick clothes dryer. In the process of drying clothes, the moisture in the clothes is heated and evaporated, and the evaporation of water will take away a lot of heat, so that the temperature of the clothes is in a lower range. As the moisture in the clothes decreases, the temperature of the clothes gradually rises. When the water in the clothes is completely or almost completely evaporated, the temperature of the clothes will be close to the temperature of the drying air, indicating that the clothes have been dried. Compared with the temperature of the clothes and the gas temperature of the drying air to judge the dryness of the clothes, and compare the temperature of the clothes with the preset value, the control method is more reasonable, more accurate and more intelligent.

The invention relates to a preparation process of a filter cloth, in particular to a preparation process of a filter cloth used for filtering titanium dioxide. It has the following process flow: a. Select high-strength synthetic fiber filaments or synthetic fiber filaments; b. Splicing and twisting into threads, the splicing and twisting method is 5×7s or 5×8s; c. Weaving into cloth, the warp and weft density is (48~ 54)×(20~26) or (30 double warps)×(18~24) or (88~92)×(56~60) twill; d. After repairing and finishing, carry out shaping at a certain temperature, The setting times should be at least once, and the filter cloth should be coated again according to the production needs. The beneficial effect of the invention is that the principle is reasonable, the process is simple, and the cost is low, and the prepared titanium dioxide filter cloth has superior performance and long service life.

The method includes steps: parsing object to be tested, picking up tested information from the object tested; displaying the picked test information, receiving test information input from user; generating test case based on the picked test information and the inputted test information; combining the test case and object to be tested creates testing target codes; running the testing target codes implements test for robustness of software product. The invention also related to device for testing robustness of software product. The invention can realizes automatic generation and automatic extraction for test information of tested object.

The invention discloses a movable coating forming device and forming method. The movable coating forming device is used, and a coating forming machine box body is included; a coating box body is arranged above the right side of the coating forming machine box body; a coating storage cavity is formed in the coating box body; a work cavity is formed in the coating forming machine box body; a coatingspraying cavity is formed in the upper side of the work cavity; a material outlet cavity is formed in the left side of the work cavity; a sliding cavity is formed below the work cavity; a material inlet cavity is formed in the right side of the work cavity, and is provided with a workpiece inlet; a feeding conveying belt is arranged in the workpiece inlet, and is used for containing workpieces; ablocking door is arranged above the workpiece inlet; outer teeth are fixedly arranged on the left side face of the blocking door, and a blocking door containing cavity is formed in the blocking door;a first motor is fixedly installed at the bottom of the coating box body; a first gear is fixedly installed on an output shaft of the first motor; and the first gear is engaged with the outer teeth on the left side face of the blocking door.

The invention discloses a rubbish screening machine with a flail knife crushing function. The rubbish screening machine comprises a machine frame body, a rotating roller screen and a crushing rotary shaft, wherein supporting wheels are arranged on a bottom side plate of the machine frame body, and the rotating roller screen is arranged above the supporting wheels; the middle of the rotating rollerscreen is a working cavity, the crushing rotary shaft is arranged in the working cavity of the rotating roller screen in a penetrating manner, and the rotating direction of a rotating shaft for crushing and the rotating direction of the rotating roller screen are opposite; and the rotating shaft is provided with a flail knife assembly, crushing blades are arranged on the flail knife assembly in amatched manner, rotating shaft bases are arranged at the two ends of the rotating shaft for crushing, and the rotating shaft bases are assembled on the machine frame body. A double-action mode of opposite rotation of a shaft screen is high in the material crushing capacity, and the flail knife crushing mode adopts the principle of inertia operation in physics, so that the crushing effect is good;the rotating roller screen is independently arranged, and screen holes in the rotating roller screen can be prevented from being blocked; a water spraying pipe is arranged, and has a double effects of cleaning a wall surface of the rotating roller screen and cleaning materials, so that the viscosity of the materials is reduced, and the crushing is facilitated.

The invention belongs to the technical field of mechanical engineering and discloses an elastic bridge connection mechanism of a lifting bearing ring of a distributing device. The device mainly comprises the lifting bearing ring, a synchronous lifting part, an elastic rod and a linkage member, wherein the synchronous lifting part is connected with an external ring of the lifting bearing ring by the elastic rod and the linkage member, and a pulling rod is connected with an internal ring of the lifting bearing ring by a bridge. The invention has reasonable principle; and based on little change of the connection mechanism of the lifting bearing ring of the original distributing device, the forced condition of the transmission system of the whole distributing device is greatly improved, the safety and the reliability of the transmission system are improved, the impact in the running process of the equipment is reduced, the service life of the equipment is prolonged, and the elastic bridgeconnection mechanism of the lifting bearing ring can be popularized on a multi-point lifting lifting-ring type distributing device.

The invention belongs to the technical field of a new material cut-off tool, and relates to a preparation method of a ceramic viscose cut-off tool. The technique process includes slurry preparation, blank shaping and microwave sintering; the modling uniformity and compactness of a high-performance ceramic special-shaped cutter are guaranteed by the most advanced net size liquid casting in-situ consolidation forming technology; by means of microwave sintering technology, every performance index of the material is further improved, high precision, high energy property and long-term usability of the high-performance ceramic special-shaped cutter are guaranteed; the ceramic viscose cut-off tool with high intensity and good uniformity can be prepared by the sizing agent with high solid phase content and good mobility through the net size liquid casting in-situ consolidation forming technology and a microwave sintering device; after sintering, the tool can be used only after surface polishing, thereby avoiding the grinding process after sintering; the preparation method of the ceramic viscose cut-off tool is scientific and reasonable in principle, strong in operability, low in energy consumption, few in investment, high in yield rate, low in cost, and good in using environment.