855results about How to "Guaranteed fit" patented technology

The invention relates to the technical field of driving assistance, and provides a multi-dimensional pixel fusion method for environmental perception and a storage medium, and the method comprises the steps: carrying out the coordinate unification and time sequence alignment of the detection data of all sensors based on the different types of obstacle data collected by different sensors, the image and the radar data are subjected to pixel-level real-time'time-space alignment and synchronization 'and are output in a'multi-dimensional pixel' format through splicing and fusion. And multi-mode accurate sensing information of the target and the environment is provided for an automatic driving system, including comprehensive sensing of visual data of the sensor for sensing the target and the environment, 4D millimeter-wave radar data and infrared radiation data, so that accurate recognition of target obstacles in various driving scenes is realized, and the driving safety is improved.

The invention discloses an alloy die casting ultrasonic flaw detection device which comprises an operation table and an ultrasonic flaw detection host, the ultrasonic flaw detection host is fixed on the operation table, a flaw detection assembly is arranged above the operation table, and the flaw detection assembly comprises a movable frame, a mounting frame, an inclined plate, a detection probe, a ball, a cross rod and a second spring. And a mounting frame is arranged on the front side of the movable frame. According to the ultrasonic flaw detection device for the alloy die casting, in the using process of the device, when a movable frame moves downwards to drive an ejector block to move downwards to make contact with a workpiece, a coating roller makes contact with the workpiece at the moment, and the ejector block is stressed to move relative to a fixed frame and cooperates with the effects of a piston, a cylinder, a one-way air inlet valve, a one-way air outlet valve and a guide pipe; according to the coupling agent coating device, air in the cylinder can enter the coupling agent storage barrel, a coupling agent in the coupling agent storage barrel can be discharged to the coating roller under the action of air pressure, and the coating roller rolls through downward movement of the device, so that the coating effect of the coupling agent can be realized, and detection is facilitated.

The invention belongs to the technical field of underwater vehicle testing, and particularly relates to a testing device for simulating an actual ocean service environment and a using method of the testing device. The experimental device comprises a box body, a bottom plate detachably installed on the box body, a plurality of simulation areas arranged on the bottom plate or the side wall of the box body, a wave making mechanism and a water depth pressure simulation mechanism installed on the side wall of the box body, a sea wind simulation mechanism installed on the box body, a first illumination module and a plurality of first visual capture modules. The wave making mechanism, the water depth pressure simulation mechanism and the sea wind simulation mechanism are arranged to form an ocean service environment, a plurality of simulation areas are arranged on the bottom plate or the side wall of the box body, and the height of the multiple three-dimensional lifting columns relative to the polygonal sinking surface is adjusted through the corresponding telescopic driving mechanisms to simulate the ocean seabed landform. Different working environments are provided for a test object, and the problems that in the prior art, due to the fact that the difference between the simulated marine environment and the actual environment is large, appearance optimization design cannot be carried out, and service performance cannot be comprehensively evaluated are solved.

The invention discloses a classroom teaching behavior analysis method and system based on semantic understanding, and relates to the technical field of education assistance, and the method comprises the steps: configuring the audio proportion of each teaching link according to the audio data importance and link properties of the teaching links, and considering the teaching properties and the audio data importance, the audio proportions under different teaching links are standardized, and a reliable basis is provided for follow-up teaching behavior analysis. Audio separation in a multi-audio mixed signal segment is carried out through ICA processing parameters and an ICA method, and two text types of a double-object language text and a single-object language text are identified through timestamps between independent language texts and semantic coherence indexes. According to the double-object language text, the single-object language text, the audio proportion and other voice contents, the classroom teaching quality of classroom teaching is analyzed, other voice contents, dialogues and uniqueness are analyzed to accurately analyze the situation of classroom teaching behaviors, and the adaptability and precision of classroom teaching behavior analysis are improved.

The invention discloses a map generation method and device, a medium, equipment and a computer program product, and the method comprises the steps: receiving a target image for generating a map, and obtaining a three-dimensional model corresponding to the target image; rendering the three-dimensional model based on a plurality of preset rendering angles to obtain a rendering normal view of the three-dimensional model at each rendering angle; generating a normal feature and a physical rendering feature corresponding to the three-dimensional model at each rendering angle based on the rendering normal view, the target image and an image generation model; the vertexes of the three-dimensional model are updated based on a target normal view corresponding to the normal features, an updated target three-dimensional model is obtained, and the vertexes corresponding to the target normal view are the same as the vertexes corresponding to the target three-dimensional model; and generating a target UV map corresponding to the target three-dimensional model based on the target three-dimensional model and a target view corresponding to the physical rendering feature.

The invention relates to the technical field of electric quantity metering, and discloses an electric quantity metering system which comprises a box body and an electric quantity metering device, a box cover is hinged to the position, close to the front face, of the top of the box body through a hinge, and a fixing mechanism is arranged at the top of the box body. A box cover is opened, an electric quantity metering device is placed at the bottom of the inner wall of a box body, then a screw rod is rotated, a second hinge frame moves upwards, one end of a first hinge frame is driven to move downwards, the other end of the first hinge frame moves towards the left side and the right side in opposite directions, and the two first hinge frames are further driven to move towards the surfaces of first guide rods in opposite directions; the second hinge rod drives a sliding block to move downwards, so that a pressing plate and a heat dissipation gasket are driven to move downwards, the top of the electric quantity metering device is pressed, the electric quantity metering device is compacted and fixed, the fixing mode is convenient, the operation time is short, and the practicability is high. And the heat dissipation gasket can effectively carry out heat dissipation treatment on the electric quantity metering device.

The utility model discloses a portable moving support which comprises a U-shaped plate used for placing household appliances, a connecting rod attached to the inner side of the U-shaped plate and capable of relatively sliding along the U-shaped plate, a wrench assembly used for driving the connecting rod to move and a plurality of moving assemblies evenly distributed on the U-shaped plate and the connecting rod at intervals and used for lifting and moving the household appliances. The connecting rod comprises a slender rod and a connecting lug located on the slender rod and used for being connected with the moving assembly. The moving assembly comprises a left folding plate, a right folding plate and a rolling wheel, wherein the left end of the left folding plate is hinged to the connecting lug, and the left folding plate can slide along with the connecting rod; the right end of the right folding plate is hinged to the U-shaped plate; the rolling wheel is coaxially hinged to the right end of the left folding plate and the left end of the right folding plate. Wherein the width of the slender rod is smaller than that of the left folding plate and the right folding plate. The connecting rod used for driving the moving assembly to lift is the slender rod, and the slender rod is simple in structure, convenient to manufacture, light and convenient to carry.

The invention relates to the technical field of circuit board welding, in particular to a circuit board fixing device for PCB welding, which comprises a main body board, and an adjustable polishing and welding mechanism for drilling and welding a circuit board at any radian is arranged at the upper end of the main body board. The adjustable grinding and welding mechanism comprises two first limiting grooves symmetrically formed in the upper end of the main body plate, a second fixing body is fixedly connected to the transmission shaft end of the third motor, a first rotating shaft is fixedly connected to the side face of the second fixing body, and the end of the first rotating shaft and a second connecting plate are rotationally arranged. A clamping and fixing mechanism for clamping and adjusting the flexible circuit board is arranged at the upper end of the main body plate; supporting bodies at the telescopic ends of fourth electric telescopic rods are the same as the mounting radian of the circuit board, then a first motor drives a roller to tighten the circuit board, it is guaranteed that the circuit board can be completely attached to the upper ends of the multiple supporting bodies, and it is guaranteed that drilling and electronic element welding can be conducted on the circuit board according to the radian during mounting.

The utility model discloses a post-processing device for release paper production, which comprises a base, a first guide frame, a second guide frame, a vibration generator, an air distribution pipe and an air heater, the first guide frame and the second guide frame are arranged on the base in a front-and-back spaced mode, supports located between the first guide frame and the second guide frame are arranged on the base in a spaced mode, and the vibration generator is connected with the air distribution pipe. Guide sleeves are arranged at the tops of the supports respectively, guide columns extending upwards are vertically arranged in the guide sleeves, a floating plate is arranged at the tops of the guide columns, a roller is arranged on the floating plate, the vibration generator is arranged on the floating plate, an elastic supporting body is arranged between the guide sleeves and the floating plate, and the air distribution pipe is suspended above the roller. Air nozzles pointing downwards are arranged at the bottom of the air distribution pipe at intervals. According to the post-processing device for release paper production, a release agent can be dried, bubbles are removed, and meanwhile, the problem that the release agent is locally lost in the release paper can be solved.

The invention provides a secondary battery and a preparation method thereof. The secondary battery comprises a battery cell, the battery cell comprises a positive electrode, a negative electrode, a diaphragm and electrolyte, the negative electrode comprises a negative electrode material coating, and the negative electrode material coating is obtained from negative electrode slurry; the negative electrode slurry comprises 2-5 parts by weight of a surfactant, 80-100 parts by weight of a solvent, 0.5-1.5 parts by weight of a dispersant, 0.6-1.2 parts by weight of a conductive agent, 96-98 parts by weight of a negative electrode active material and 1-2.5 parts by weight of a binder, the surfactant is an anionic surfactant, the solvent comprises water and an organic solvent, the mass ratio of the water to the organic solvent is 1: 10-1: 2, the boiling point of the second solvent is 110-210 DEG C, and the boiling point of the second solvent is 110-210 DEG C; and the surface tension of the second solvent is 20-50 dyn / cm. And the viscosity of the slurry is improved to a proper range by introducing the surfactant, so that the cracking problem of the slurry in the coating process is improved while the'thick edge 'is eliminated.

The invention discloses an obstetrical data analysis and management system based on cloud computing processing, and relates to the technical field of obstetrical data analysis and management, a data acquisition module is used for acquiring and recording current detection data of a pregnant woman and a fetus, a calculation and analysis module is used for calculating and outputting a fetus weight estimated value TE, a pregnant woman weight gain value YT and a nutrition adjustment value TQ, and the fetus weight estimated value TE, the pregnant woman weight gain value YT and the nutrition adjustment value TQ are analyzed. The regular spot check evaluation unit is used for regularly carrying out spot check on the pregnant woman subjected to current recent antenatal care, and carrying out updating calculation on a fetus weight growth reference value delta TT and a pregnant woman weight growth reference value delta YL of each week in different pregnancy periods according to age groups; large-scale data sets are efficiently processed by means of the high-performance computing power of the cloud computing platform and a computing formula, the working efficiency of obstetrical data analysis is improved, flexible adjustment is performed according to parameters corresponding to different pregnant woman age groups and pregnant periods, the corresponding parameters have a regular updating mechanism and a formed feedback mechanism, and the accuracy of the pregnant woman data analysis is improved. And the fitness and the accuracy of analysis data are ensured.

The invention relates to the technical field of agricultural machinery, and particularly discloses a saline-alkali farmland planting ridging and film mulching device which comprises a connecting unit, a film releasing unit and a film mulching unit. The reliable connection of the mounting rack and the first connecting bracket with a traction machine ensures that the device can advance according to a preset track in the ridging and film covering process, so that the accuracy and continuity of operation are ensured; in addition, soil can be turned over before ridging and film mulching through a soil turning assembly fixed to a fixing plate, the soil structure is improved, the soil is looser, growth of crop roots and permeation of water and nutrients are facilitated, and through cooperation of all the components, the yield of crops is improved. The key problems of stability, sealing performance, adaptability and the like in the film material conveying and film covering process are effectively solved, efficient and reliable technical support is provided for saline-alkali soil crop planting, and improvement of the agricultural production benefits of saline-alkali soil and improvement of the ecological environment are facilitated.

The utility model discloses a special device for automatic laser welding of an ultrathin metal drum, which belongs to the technical field of welding equipment and comprises a workbench, a laser welding component and a clamp component, the clamp component comprises a first fixing plate, a first driving motor, a first half die, a second half die, a middle plate, a cylinder component and a second fixing plate, a first groove is formed in the first half die, a second groove is formed in the second half die, the metal barrel blank comprises a first half blank and a second half blank, the first groove is used for containing the first half blank, and the second groove is used for containing the second half blank. According to the die, the two half dies and the two grooves are arranged, and the two grooves have a good fixing effect on a blank, so that the blank is prevented from sliding; the clamp assembly clamps a metal barrel blank, the laser welding assembly performs automatic laser welding, the welding efficiency is high, the welding effect is good, and the product percent of pass is high.

The utility model relates to a vibration test fixture, the vibration test fixture comprises a bottom plate, a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly are arranged on the bottom plate, the limiting direction of the first clamping assembly is in the horizontal direction, and the limiting direction of the second clamping assembly is in the vertical direction. The first clamping assembly comprises two oppositely-arranged first clamping parts, and the distance between the two first clamping parts can be adjusted. According to the vibration test fixture provided by the invention, the first clamping assembly can be used for limiting the battery pack in the two horizontal directions so as to carry out a vibration test, the structure arrangement is simplified, and the distance between the two first clamping parts can be adjusted, so that the vibration test fixture can better adapt to battery packs of different specifications; the battery pack can be attached when being fixed, and a gap is prevented from being generated between the battery pack fixing device and the battery pack.

The utility model discloses a suspension type center transmission mud scraper, which relates to the technical field of mud scrapers, and comprises a mounting rack, a movable sleeve is movably arranged in the middle of the bottom end of the mounting rack through a bearing, a mud scraping arm is fixedly arranged at the bottom end of the movable sleeve, a mud scraping plate is fixedly arranged on the lower surface of the mud scraping arm, and the mud scraping plate is fixedly arranged on the lower surface of the mud scraping arm. Two movable arms are movably arranged in the middle of the upper surface of the mud scraping arm through pin shafts, and a side scraping plate is arranged at one end of each movable arm. The movable sleeve is arranged below the mounting frame, the mud scraping arm and the mud scraping plate are arranged at the bottom end of the movable sleeve, the supporting arm is arranged above the mud scraping arm, the side scraping plate is arranged at one end of the supporting arm, mud scraping treatment on the inner wall of the sedimentation tank can be achieved through the side scraping plate, and the inner wall of the sedimentation tank can be scraped by adjusting the position of the supporting arm. The height of the side scraping plate can be adjusted, so that the device can scrape mud at different positions of the inner wall of the sedimentation tank.

The utility model discloses an automobile shell temperature sensor, which relates to the technical field of sensors and comprises an aluminum alloy conduction component connected with an automobile shell, and the aluminum alloy conduction component is provided with a fitting piece and a fixing part. An embedding hole is formed in one end of the attaching piece; the fitting piece and the fixing part are integrally arranged, and the fixing part is hollow and is communicated with the embedding hole; according to the automobile front bumper, the bolts are arranged in the through holes, the attaching piece can be tightly fixed to the automobile front bumper, and therefore the situation that the attaching piece falls off in the long-distance running process is avoided; the wire is tightened and fixed through the tightening opening above the fixing part, so that the fixing effect of the wire and the fixing part is improved, and the connecting capacity is improved; the clamping grooves are tightly attached and fixed to the protruding points on the front bumper, so that the attaching effect of the sensor probe and the front bumper can be guaranteed, and sensing and obtaining of the temperature of the front bumper by the sensor probe are improved.

The utility model relates to a mammary gland pressure bandage which comprises a bandage body provided with shoulder straps, a movable pad is arranged on the inner side face of the bandage body, elastic bands are fixed to the upper end and the lower end of the movable pad respectively, a fixing piece is arranged at the other end of each elastic band, and a fixing strip is arranged on the front side face of the bandage body. The fixing piece is fixed to the fixing strip and can be adjusted on the fixing strip in a left-right displacement mode, a liner is arranged on the rear side face of the movable pad, and an interlayer detachably connected to the movable pad is arranged on the side face, away from the movable pad, of the liner so as to fix the liner. The utility model has the advantage that the gasket is convenient to replace.

The utility model discloses pressure maintaining equipment for a steering wheel, and relates to the technical field of pressure maintaining of the steering wheel. According to the pressure maintaining equipment for the steering wheel, in the field steering wheel leather manual operation, the steering wheel can be placed on the machining table, a locking cylinder and the steering wheel are connected in a sleeving mode through the matching of a positioning supporting base and a steering wheel middle structure, positioning is conducted through a plurality of positioning columns, and then the direction of the steering wheel is adjusted; the locking cylinder is locked with the steering wheel through the clamping blocks on the two sides, so that the tensioning cylinder is utilized to drive the locking cylinder to move and apply downward pulling force to the steering wheel, and the jacking cylinders on the two sides push the inverted-L-shaped seat to move upwards and apply upward jacking force to the groove in the back face of the steering wheel; the steering wheel pressure maintaining device is simple in structure, pressure maintaining of a steering wheel is achieved, the shape-preventing seats on the two sides can press leather, the leather attaching effect is guaranteed, efficiency is effectively improved, and the labor intensity of workers is reduced.

The invention discloses a sludge curing agent stirring and conveying device, and belongs to the field of sludge treatment.The sludge curing agent stirring and conveying device comprises a stirring bin, an upper cover is fixedly connected to the upper surface of the stirring bin, a closing valve is fixedly connected to the lower surface of the stirring bin, and a spiral conveying barrel is fixedly connected to the bottom of the closing valve; a second driving motor is fixedly connected to one side of the spiral conveying barrel, a discharging opening is connected to the outer surface of the spiral conveying barrel, and a first driving motor is fixedly connected to the middle of the upper surface of the upper cover. The swing ring can swing left and right while moving, residual materials are swept in different directions, the attaching sweeping assembly can sweep adherends on the side wall of the stirring bin more thoroughly, the swing ring swings back and forth, the materials adhering to the attaching sweeping assembly can be thrown off, and the attaching sweeping assembly is more convenient to use. Relative neatness of the attaching and cleaning assembly is guaranteed, residues in the attaching and cleaning assembly are reduced, and pollution to follow-up materials caused by waste of residual materials is avoided.

The invention relates to the technical field of medical instruments, and discloses a carotid artery micro-net woven stent. The stent comprises a stent main body divided into a stent middle part and a stent end part, the stent main body comprises a first stent, a second stent and a plurality of connecting structures, and the first stent and the second stent are both in a hollow pipe shape and are connected with each other through the connecting structures; the first support and the second support are connected at multiple positions through a plurality of connecting structures, so that movement of the first support and the second support can be limited, and the connecting structures comprise the first connecting structure and the second connecting structure. The two different connecting structures are arranged on the stent body, so that the requirement for different slippage degrees of the ends and the middle is met, layers of the intravascular stent are attached during use, the structural integrity of the stent is kept, the stent is tightly attached to a blood vessel, and good supporting and effective covering are achieved.

The utility model relates to the technical field of electronic product detection, and discloses a wireless signal shielding box, which comprises a main body, a cover plate and a top groove, the top groove is internally provided with a sealing assembly used for blocking a gap between the main body and the attaching face of the cover plate, the sealing assembly comprises an abutting body, a deformation groove, a notch and a contact rod, the abutting body is located in the top groove and elastically connected with the main body, and the top face of the abutting body is provided with the deformation groove and the notch which are communicated with each other; the top face of the abutting body forms a petal-shaped structure through the deformation groove and the notch and abuts against the inner side wall face of the main body, the abutting body is elastically connected with the main body, when the cover plate and the main body are closed to form the sealed box body, the abutting body can abut against the bottom face of the cover plate, and then the gap between the attaching face of the cover plate and the attaching face of the main body is made up. Therefore, the sealing performance of the whole box body is guaranteed, the probability that the detection precision is affected by a shielding gap caused by a gap formed between the cover plate and the main body is reduced, and the detection precision is guaranteed.

The invention relates to the technical field of numerical control system information processing, in particular to a curved surface numerical control machining information extraction method and device based on B-spline curved surface refactor.The method comprises the steps that after three-dimensional space position information of a curved surface machining cutter location point is obtained, cutter location point parameterization is carried out to determine B-spline curved surface parameters of a cutter positioning curved surface; determining a precision index according to the sum of squares of deviations of all cutter location points and the cutter positioning curved surface to calculate a regression matrix, determining a fairing energy index to calculate a fairing energy matrix, combining the two indexes to determine a comprehensive index, generating a curved surface reconstruction problem, solving the problem to obtain a reconstruction structure, and extracting curved surface numerical control machining information. Therefore, the problem that in the related technology, when a curved surface reconstruction algorithm processes disordered spatial discrete cutter location points, the requirements for rapidity, fairness and precision are generally difficult to consider is solved.

The invention belongs to the technical field of transformer processing, and particularly relates to a transformer winding coil drying, processing, pressing and compensating device which comprises a base, a winding mounting mechanism is arranged at the upper end of the base, the left side and the right side of the winding mounting mechanism are connected with two first rotating rods in a sleeving mode, and each first rotating rod is provided with two first guide blocks; the opposite close ends of the two first rotating rods are fixedly connected with the left end and the right end of a winding roller correspondingly, and the left end and the right end of the winding roller are in lap joint with the left side and the right side of a winding mounting mechanism correspondingly. According to the winding device, through mutual cooperation of the mounting frame, the mounting plate, the first T-shaped limiting rod, the pressing roller and the pressing spring, the pressing effect on a metal coil in the winding process can be achieved in the metal wire winding process, the fitting degree of the coil in the winding process is guaranteed, and therefore it is effectively avoided that gaps exist in the wound coil; and therefore, the winding fitting degree of the coil is relatively poor.

The invention relates to the technical field of medical instruments, and discloses a stomach cancer precise radiotherapy auxiliary positioning device and a use method thereof, the stomach cancer precise radiotherapy auxiliary positioning device comprises a base, the base is provided with a mounting seat, and the mounting seat is provided with a bed plate; the adjusting supporting assembly is used for supporting the patient's back according to the patient's back radian; the waist positioning assembly is used for fixing and supporting the waist of the patient; the foot support assembly is used for placing the feet of the patient. Through the arrangement of the adjusting supporting assembly, the multiple flexible blocks can support the back of the patient according to the shape of the back of the patient and keep the fit degree to the back of the patient, so that the effect of positioning the trunk of the patient is achieved, meanwhile, the comfort degree of the patient is guaranteed, and the device can be suitable for the patient with the bent back and humpback; the situation that the patient feels uncomfortable due to long-time supine, the body is twisted, and the treatment process is affected is avoided.

The utility model discloses a silk-screen printing scraper cleaning device which comprises a fixing seat, two fixing plates are fixed on the upper surface of the fixing seat, reinforcing connecting plates are inserted in the upper ends of the two fixing plates in a sliding mode, and tension adjusting plates are fixed at the top ends of the two reinforcing connecting plates. Supporting frames are fixed to the four end corners of the fixing base correspondingly, cleaning cloth strips are installed among the four supporting frames, and supporting rods are installed on the inner sides of the cleaning cloth strips. The silk-screen printing scraping plate is placed on the cleaning cloth strip, the silk-screen printing scraping plate is extruded downwards through the elastic bandage and the lower pressing plate, meanwhile, the electromagnet attracts the reinforcing connecting plate provided with the attraction magnet, the reinforcing connecting plate and the tension adjusting plate move downwards, and the cleaning cloth strip is pulled downwards; it is guaranteed that the cleaning cloth strip is attached to the outer surface of the silk-screen printing scraper, silk-screen printing scrapers of different shapes are wrapped and cleaned, and the cleaning efficiency of the silk-screen printing scrapers is improved.

The invention discloses ultrasonic continuous welding equipment for variable-thickness workpieces and a welding method of the ultrasonic continuous welding equipment. The ultrasonic continuous welding equipment comprises a workbench for clamping the workpieces, a pre-pressing mechanism, a welding head assembly and a consolidation mechanism, wherein the pre-pressing mechanism, the welding head assembly and the consolidation mechanism are sequentially arranged above the workbench in the Y direction and synchronously move in the X direction, the Y direction and the Z direction along with a back plate. The consolidation mechanism comprises a consolidation seat and a moving block which are arranged up and down, the consolidation seat and the moving block are combined with an upper rod and a lower rod to form a parallelogram structure inclining towards the welding head assembly, and the lower rod is assembled in a long hole of the consolidation seat in a sliding mode through a moving pin; the movable block is provided with a swing block through a first rotating piece, and the bottom surface of the swing block is provided with a consolidation block. The length direction of the long hole and the axial direction of the first rotating piece are both arranged in the Y-axis direction. The pre-pressing mechanism comprises a pre-pressing base, a swing arm is rotationally installed on the pre-pressing base and inclines towards the welding head assembly, and a pre-pressing roller is installed at the bottom end of the swing arm. Therefore, the distance problem is solved, the device is particularly suitable for welding of workpieces with variable thicknesses, the welding quality is greatly guaranteed, and the welding flexibility is guaranteed.

The utility model discloses a range hood with a smoke gathering plate, which is characterized in that the range hood comprises a range hood main body and the smoke gathering plate, the range hood main body is provided with a smoke collecting cavity, the side surface of the smoke collecting cavity is provided with a magnetic suction surface, and the smoke gathering plate is fixed on the magnetic suction surface of the smoke collecting cavity in a magnetic suction manner. The range hood is good in stability, the smoke gathering plate can be disassembled and assembled, no installation and positioning structure is reserved on the appearance surface, the range hood is matched with different kitchen decoration styles and cooking habits, a larger cooking space is reserved, and the best smoke gathering effect at the air inlet can be guaranteed.

The invention discloses a phased array system transmitting beam forming method based on a Riemann-Newton method, which converts a beam pattern matching error minimization problem under a constant modulus constraint into an unconstrained optimization problem under a complex circle manifold, and adopts a second-order Riemann-Newton method to solve. Therefore, it is ensured that the direction of each iteration update is always the descending direction of the target function, and the super-linear convergence speed is achieved. The method has better performance advantages in the aspects of main lobe fitting precision and sidelobe level reduction, and the convergence speed is higher.

The invention provides a response data generation method and device, electronic equipment, a storage medium and a computer program product, relates to the technical field of artificial intelligence, in particular to the technical field of natural language understanding and intelligent medical treatment, and can be applied to an intelligent dialogue scene. According to the specific implementation scheme, the method comprises the following steps: determining a prediction level of an uncertainty result possibly brought by responding to to-be-responded data; determining target knowledge data related to the to-be-answered data from a target medical knowledge base corresponding to the prediction level; according to the target knowledge data, medical response data for the to-be-responded data is generated through the selected target agent in the multiple agents, and different agents have different response modes. According to the method, the reliability and the accuracy of the target knowledge data are improved, and on the basis of ensuring the accuracy of the generated medical response data and the adaptation degree between the response mode and the user, the efficiency and the convenience of acquiring the medical related information by the user are improved.