248results about How to "Ensure controllability" patented technology

The invention discloses a three-dimensional scene re-coloring optimization method based on Gaussian splashing and deep learning, and the method comprises the following steps: S1, constructing a multi-view data set of a given scene, and generating an initial point cloud; s2, based on the initial point cloud, extracting a representative color set from all input pixels, generating a palette and taking the palette as initial setting; s3, rendering a multi-view result picture by using the palette and a Gaussian splash algorithm, calculating a loss function, and generating an optimized Gaussian radiation field through back propagation optimization parameters; and S4, re-rendering the scene and generating a re-coloring result based on the optimized Gaussian radiation field and the palette color modified by the user. According to the method, the Gaussian splash algorithm and the deep learning technology are combined, efficient re-coloring optimization of the three-dimensional scene is achieved, and the method has the advantages of being visual in editing, accurate in illumination expression and real in rendering.

The invention relates to the technical field of image processing, and discloses a graphite composite insulation board production process control method and system and a storage medium. The control method comprises the following steps: carrying out characteristic analysis and proportion optimization on raw materials to obtain pretreated raw materials; and monitoring the reaction state of the pretreated raw material, regulating process parameters, and generating a modified raw material. And performing formula optimization and performance prediction based on the material parameters of the modified raw material to obtain an optimized formula material. And forming process parameters of the optimized formula material are analyzed, a forming process is regulated and controlled, and a forming material is generated. And the curing process is optimized through the state parameters of the forming material, and a cured product is formed. And finally, evaluating the quality according to the detection data of the cured product, and generating a production control scheme. By establishing a multi-dimensional data acquisition and processing system, intelligent control over the whole production process is achieved, and therefore the stability and consistency of product quality are improved.

The invention discloses a rainy day target detection method based on paired image data generation and knowledge distillation, and belongs to the technical field of automatic driving target detection. The method comprises the following steps: acquiring a real image of a road scene and a semantic segmentation mask; inputting the semantic segmentation mask and the weather condition text information into a trained improved diffusion model to obtain a road scene generation image under a rainy day condition; introducing a CoT module and an ODConv module into the target detection model for optimization, and then improving the target detection model by adopting a dynamic weighted aggregation loss function to obtain an optimized target detection model; performing knowledge distillation to obtain a rainy day target detection enhancement model; and performing target detection by using the rainy day target detection enhancement model. The method provided by the invention is excellent in performance in a rainy day scene, has good generalization ability, can provide higher-precision target detection in various complex scenes, and effectively improves the detection accuracy and stability.

The invention discloses a knowledge-guided visual simulation method for a railway bridge construction process, belongs to the field of railway bridge construction, and solves the problems that the railway bridge construction process in the prior art relates to many elements, is difficult in relation capture, is not clear in behavior state description, is continuously iterated and updated along with the promotion of the construction process, is complex in environment change, and is poor in reliability. And the incidence relation between the bridge main body model and the visual simulation environment is difficult to establish. The method comprises the following steps: acquiring railway bridge construction data including GIS data, field data and construction data; constructing an entity-process-behavior three-domain associated railroad bridge construction scene knowledge graph based on the obtained railroad bridge construction data; and performing knowledge-guided dynamic visual simulation of the railway bridge construction process based on the railway bridge construction scene knowledge graph. The method is used for visual simulation of the railway bridge construction process.

The invention provides a hydraulic fracturing pressure relief method for a multi-layer thick and hard top plate of an extra-thick coal seam. The method comprises the steps that the rock stratum occurrence of the multi-layer thick and hard top plate is obtained through a top plate drilling method; based on a rock mechanics experiment method and a roof peeping method, the stability of the multi-layer thick and hard roof is evaluated, and a fracturing target layer in the multi-layer thick and hard roof is judged; directional drill holes are formed in the fracturing target layer according to the rock stratum occurrence; the fractured target layer is subjected to fracture forming in the directional drilling process through abrasive jet and staged fracturing; and the crack expansion range of the fractured target layer is monitored in real time based on the in-hole micro-seismic monitoring method, and fracturing construction parameters are dynamically adjusted according to the crack expansion range. According to the hydraulic fracturing pressure relief method for the multi-layer thick and hard roof of the extra-thick coal seam, by means of rock stratum testing before fracturing, determination of fracturing construction key parameters and monitoring after fracturing, the good pressure relief effect of the multi-layer thick and hard roof is guaranteed, and effective prevention and control of strong mine pressure disasters of the multi-layer thick and hard roof are achieved.

The invention relates to a high-stability electrode for electrochemical lithium extraction and a preparation method thereof, belongs to the technical field of lithium resource extraction, and is used for solving at least one of the problems of poor cycling stability, low current density, low current efficiency and the like of an electrode prepared by an existing method. According to the electrode, the surface of the active material is coated with the solid electrolyte, the coating layer can effectively avoid direct contact between brine and the active material, side reaction is prevented, and therefore the cycle stability of the electrode is improved. The solid electrolyte layer has the effect of transmitting lithium ions, so that foreign ions can be intercepted, and the selectivity of the electrode to the lithium ions is improved. The active material is also coated with an organic conductive polymer, the electronic conductivity of the active material can be effectively improved by the organic conductive polymer layer, the charge transfer impedance of the active material is reduced, and high-current-density lithium extraction is realized.

The invention discloses a double-control EPB anti-lock control method and system based on indirect tire pressure monitoring, and belongs to the field of automobile anti-lock braking. The double-control EPB anti-lock control method comprises the following steps that S1, wheel speed signals of wheels are collected; s2, the wheel radius and the tire pressure deviation ratio are calculated based on the collected wheel speed, whether emergency braking is started or not is judged according to the tire pressure deviation ratio, if not, the step S1 is executed, and if yes, the vehicle speed is compensated, and the locking degree of each wheel is calculated based on the wheel radius; s3, initial holding force is applied to the left rear wheel and the right rear wheel; s4, according to the slip rate and the enclasping degree of the left rear wheel and the right rear wheel, the enclasping force of the left EPB caliper and the enclasping force of the right EPB caliper are dynamically adjusted; and S5, braking is finished. By the adoption of the double-control EPB anti-lock control method and system based on indirect tire pressure monitoring, when the tire pressure of the automobile is under-pressure, the automobile speed is compensated, and rear wheel anti-lock is achieved through emergency braking.

The invention discloses a flow meter detection device based on a volumetric method, and belongs to the technical field of meter detection. The measuring mechanism comprises an oil inlet pipe, a flow meter body, an inflow pipe, measuring tanks, an overflow mechanism, an outer sleeve, a piston disc, an extending sleeve, a follow-up rod, a pressing block, a lateral sleeve, a transverse rod and a fixing mechanism, one end of the oil inlet pipe is connected to the oil tank, the other end of the oil inlet pipe is connected to the inflow pipe, the inflow pipe is connected to the side walls of the two measuring tanks, and the overflow mechanism is connected to the outer sleeve. The flow meter body is installed on an oil inlet pipe, the overflow mechanism is installed on an oil tank, the outer sleeve is coaxially installed on a measuring tank, the influence of gas pressure is avoided through the design of an air inlet hole, convenient manual control is provided through the combination of a follow-up rod and a pressing block, and the multi-stage positioning function is achieved through the cooperation of a lateral sleeve and a transverse rod. By means of the multi-structural design, the measurement accuracy and repeatability of flow measurement are remarkably improved.

The invention discloses a multi-area coverage inspection system using an unmanned aerial vehicle cluster, and particularly relates to the technical field of unmanned aerial vehicle cluster inspection. The system comprises an inspection area division module, an unmanned aerial vehicle cluster setting module, a road surface damage monitoring module, a traffic sign monitoring module, a monitoring response module, a working state judgment module, an inspection display early warning module and a database. According to the invention, the unmanned aerial vehicle cluster multi-area inspection is adopted, in a cluster mode, a plurality of unmanned aerial vehicles can work cooperatively, large-range and multi-area efficient inspection is realized through cooperative flight and division and cooperation, the inspection speed and precision are greatly improved, and the labor cost and the safety risk are reduced at the same time. According to the method, the inspection areas of the expressway are divided, the inspection speed and precision are improved in a targeted manner, the inspection precision of the risk area is ensured, and the inspection efficiency of the general area is improved.

The invention discloses a silicon nitride crystal based on a physical vapor transport method and a preparation method thereof, and the preparation method comprises the following steps: laying silicon nitride powder as a raw material at the bottom of a graphite crucible, fixing a seed crystal on a top cover of the crucible, placing the device in single crystal growth equipment, vacuumizing, heating to 1000-1300 DEG C, filling nitrogen to 800-1000 mbar, and preserving heat for 1-3 hours, the method comprises the following steps of: heating to the temperature of between 1,600 and 2,000 DEG C, inhibiting the decomposition of silicon nitride, continuously heating to the temperature of between 1,600 and 2,000 DEG C, adjusting the air pressure in equipment to 100 to 300 mbar, and promoting the silicon nitride to be decomposed into silicon steam and nitrogen. And controlling the temperature of a seed crystal area to be 1500-1700 DEG C and the axial temperature gradient to be 10-50 DEG C / cm, so that Si and N substances in a gas phase are crystallized on the surface of the seed crystal to generate a silicon nitride crystal. And after the crystal grows, filling inert gas and slowly cooling to room temperature to finally prepare the complete silicon nitride crystal. The preparation method disclosed by the invention is accurate in process and high in crystal quality, and the prepared silicon nitride crystal has the particle size of more than 500 microns and the purity of more than 5N, and is suitable for the field of application of high-end materials.

The invention discloses a jerusalem artichoke extraction device for diabetic medicinal material production, and relates to the technical field of mixing equipment.The jerusalem artichoke extraction device comprises a workbench, a support is fixedly installed on the top face of the workbench, a stirring barrel is fixedly installed on the top face of the support, and stirring blades are rotationally connected into the stirring barrel; a driving motor is fixedly mounted on one side of the stirring barrel on the top surface of the bracket; an output shaft of the driving motor is connected with the side wall of the stirring blade; and the feeding port is formed in the top face of the stirring barrel, a photoelectric sensor is fixedly installed on the inner wall of the feeding port, a cover plate is installed on the outer surface of the feeding port in a sliding mode, and a plurality of observation windows are formed in the outer surface of the stirring barrel. Not only is the production efficiency improved, but also the production cost is reduced.

This invention provides a resource recovery device system for lithium precipitation mother liquor. Through the coordinated use of a pretreatment unit, conditioning unit, extraction unit, washing unit, back-extraction unit, and raffinate post-treatment unit connected in sequence, it achieves maximum recovery and utilization of lithium ions in the lithium precipitation mother liquor, reduces lithium resource waste, ensures the greenness, stability, and controllability of the extraction process, and results in a high-lithium liquid product with low metal impurity ion content and high lithium extraction rate, while the raffinate meets discharge standards. The resource recovery device system has a simple structure, low operation difficulty, and low manufacturing cost.

The present application relates to the technical field of bamboo fiber composite material, in particular to a purification preparation method of bamboo fiber reinforced natural polymer composite material. The bamboo raw material is crushed and treated by steam explosion to obtain primary bamboo fiber; the primary bamboo fiber is sequentially subjected to organic solvent dewaxing treatment and oxidation system selective delignification treatment to obtain purified bamboo fiber; the purified bamboo fiber is treated in a tannin acid solution to form a polyphenol interface layer on the surface thereof; and a solution containing polyvalent metal ions is added to the treated bamboo fiber to form a coordination cross-linking interface layer on the surface of the bamboo fiber. The present application constructs a stable interface layer between the fiber and the natural polymer matrix. The interface layer can effectively transfer stress, significantly improve the tensile strength, bending strength and shear strength of the composite material, and solve the problem of weak interface and easy delamination of traditional natural composite materials.

The invention relates to the technical field of high-speed aircraft health management, and particularly discloses an interpretable aircraft state sensing and predicting system and method. The method comprises the following steps: constructing and training a lightweight anomaly diagnosis network with an expansion perception layer; aircraft dynamics, kinematics and fault mechanism formulas are used as soft constraints to be embedded into the future state estimation network; an SHAP interpretation framework is used for sorting the importance of the input features, and a network structure is optimized accordingly; and finally, accurate diagnosis of abnormal types and positions and rapid prediction of aircraft states at a plurality of moments in the future are realized. According to the method, by introducing three innovation points of an expansion perception layer, physical information embedding and feature importance sorting, the diagnosis accuracy and the model interpretability are remarkably improved, and the high-performance calculation requirement in a scene with limited calculation power is met.

This invention relates to the field of seismic data processing technology, and discloses a method, apparatus, and device for smoothing seismic data. The method includes: acquiring seismic data to be processed; constructing an objective function based on the seismic data to be processed and the smoothed seismic data; and solving the objective function using an alternating multiplier algorithm to obtain the smoothed seismic data corresponding to the seismic data to be processed. The seismic data smoothing method disclosed in this application can eliminate abrupt changes in the drastically changing parts of the seismic data while maintaining the relatively stable parts, effectively ensuring the controllability of the seismic data smoothing result.

An AI-based iterative language expression training system and its usage method include the following steps: Constructing a language expression training task library, where each task unit contains first descriptive information (such as topic, keywords) and second descriptive information (such as standard examples, structural analysis); arranging the task units according to difficulty or logical order to form a training sequence; the user learns according to an iterative forward training method, starting from the first task unit and attempting to generate or express corresponding language content based on the first descriptive information; the system calls an AI language model (such as BERT, GPT) to evaluate the user-generated content in multiple dimensions (including logical coherence, semantic accuracy, and subjective emotional consistency); if the evaluation fails, the system pushes second descriptive information for the user to learn and reverts to the first task unit to start again; if the evaluation passes, the user proceeds to the next task unit until all forward training is completed; then, the training sequence is logically reversed, and iterative reverse training is performed, starting from the original last task unit, requiring the user to reverse-engineer or parse the first descriptive information based on the second descriptive information, also employing an iterative reinforcement mechanism of evaluation-learning-reverting. This invention significantly improves users' abilities and proficiency in language organization, logical expression, and creative writing through a closed loop of forward and reverse iterative training and AI intelligent evaluation.

This application relates to the field of industrial furnace temperature control technology, and discloses an energy-saving brazing furnace heating process temperature adaptive control method and system. The heating process of the brazing furnace is divided into at least three continuous temperature ranges, including a first temperature range, a second temperature range, and a transition temperature range. A first power control strategy and a first temperature fluctuation tolerance are configured for the first temperature range, and a second power control strategy and a second temperature fluctuation tolerance are configured for the second temperature range. The current temperature range of the brazing furnace is determined based on the current temperature. When it is determined that the brazing furnace is currently in the first temperature range, the first power control strategy is executed to output heating power, ensuring that the characteristic temperature is within the first temperature fluctuation tolerance. When it is determined that the brazing furnace is currently in the second temperature range, the second power control strategy is executed to output heating power, ensuring that the characteristic temperature is within the second temperature fluctuation tolerance. When it is determined that the brazing furnace is currently in the transition temperature range, a smooth switching logic is executed.

The application discloses an electrochemical luminescence measuring cell with a hook hand lifting mechanism and relates to the conveying technical field. The electrochemical luminescence measuring cell with the hook hand lifting mechanism comprises an outer box body, an electrochemical measuring cell mechanism and a reaction cup. Two sealing doors are movably arranged on one side of the outer box body. An adjusting mechanism is arranged at the bottom of the electrochemical measuring cell mechanism. The adjusting mechanism comprises a reversible motor one fixedly arranged on one side of the inner box body, a transmission shaft fixedly arranged at the output end of the reversible motor one, a brake one sleeved outside the transmission shaft, a support frame two and a brake two, and a positioning assembly arranged outside the support frame two. The support frame two is provided with the hook hand lifting mechanism at the top. The hook hand lifting mechanism is matched with the adjusting mechanism to clamp and fix a new reaction cup and then place the reaction cup on the top of the electrochemical measuring cell mechanism. The reaction cup can be automatically replaced, the safety of the experiment of the harmful substances escaping in the reaction process is ensured, the replacement speed of the reaction cup is ensured, and the safety hidden danger of the workers is reduced.

This utility model belongs to the field of sludge filtration technology and discloses a dynamic sludge filtration device, including a housing. A filtration unit and a discharge unit are connected to the outside of the housing via a rotating motor and a discharge motor, respectively. The filtration unit and discharge unit are located inside the housing. A water pumping unit is located at the top of the housing and connected to the water pumping unit via a filtration water pumping pipe. The discharge unit is located at the bottom of the filtration unit and the water pumping unit. This utility model can increase the sludge contact area and filtration area, allowing liquid to penetrate into the filter housing more quickly. Combined with the rotating water pumping component, the liquid is promptly extracted, improving the speed and efficiency of sludge dewatering and shortening the processing cycle. The rotating motor drives a rotating rod, which in turn causes the filter housing to rotate within the sludge. Dewatering is achieved using the principle of free liquid permeation. Compared to traditional methods that rely on strong external force for dewatering, this effectively reduces the moisture content of the filter cake and significantly reduces energy consumption.

The application discloses a kind of welding methods of high-strength steel shell and low-strength steel inner shell penetration pipe of jacketed pressure vessel, core step includes: precision pretreatment before welding: size and defect detection, homogenization modification and preheating are carried out to machining bevel; Sequential optimization welding: the sequence of "first inside then outside" and "sectional skip welding" is combined, and prior to pipe side (high-strength steel side) is carried out backing surfacing welding; Strict welding control: the combined process of tungsten argon arc welding backing and electrode arc welding filling is used, interlayer temperature, heat input and weld size are accurately controlled; Timely and effective post-welding treatment: high-temperature post-heat treatment is carried out immediately after welding, or according to the structure constraint degree, choose whole intermediate annealing.The application effectively decomposes and releases welding stress through systematic process combination, inhibits the generation of crack, and significantly improves the welding quality and reliability of jacketed vessel penetration pipe joint.

The application provides a chip burning method, a computer device and a computer readable storage medium. The chip burning method comprises the following steps: generating a plurality of different temporary keys; combining the plurality of temporary keys into a key sequence and storing the key sequence in a temporary key file; receiving an encrypted burning file from a second terminal; matching the temporary keys in the key sequence of the encrypted burning file with the temporary keys stored in a local key database one by one; when the temporary keys are successfully matched with the temporary keys in the local key database, downloading a decrypted program file to a burner, the program file is used for burning to a target chip, and then deleting the matched temporary key from the local key database. By generating a plurality of different temporary keys and storing the temporary keys in the local database, the number of burners that can be used at the same time is controlled by matching the temporary keys one by one and deleting the used keys immediately after successful matching, and the total burning quantity can be accurately controlled.

The invention provides an automatic operation and maintenance scheduling system and method in a cloud computing environment. The method comprises the following steps: predicting a load demand curve through historical load time sequence data and real-time load indexes of an online service cluster; generating an arbitration decision of resource operation and maintenance scheduling according to the simulated resource occupation contour of the online service cluster constructed by the load demand curve and the resource request queue corresponding to the offline task cluster; issuing a reserved resource permission to the second control ring by the arbitration decision, and injecting a virtual node resource view complementary with the reserved resource permission in time and space into the first control ring; and when the real-time load index triggers the first control ring to perform resource scaling operation, the first control ring executes instance scaling in a resource boundary limited by the virtual node resource view, and the second control ring starts and stops the offline task instance in the corresponding resource block according to the current reserved resource permission. According to the technical scheme provided by the invention, collaborative scheduling of operation and maintenance of the online service cluster and the offline task cluster can be realized under load fluctuation.

The invention relates to the technical field of pressure drop adjustment, in particular to a shelf calandria refrigerant pressure drop self-adaptive adjustment method and system, and the method comprises the steps: determining a plurality of target calandria groups based on a shelf calandria; executing the following operations on each target calandria group in the plurality of target calandria groups: determining a target pressure drop range based on the target calandria group; acquiring an initial pressure monitoring value set group based on the pressure monitoring unit and a target calandria group; acquiring an actual pressure drop based on the pressure difference analysis unit and the initial pressure monitoring value set group; a pre-built refrigerant valve is adjusted based on the flow adjusting unit, the actual pressure drop and the target pressure drop range, an updated valve is obtained, and an updated pressure drop is obtained based on the updated valve; and realizing pressure drop self-adaptive adjustment based on the updated pressure drop. According to the invention, accurate adjustment of the pressure drop of the refrigerant can be realized.

The invention discloses a method for determining an impurity compound I and an impurity compound II in a brexpiprazole key material, which uses a high performance liquid chromatograph and an ultraviolet detector, uses octadecyl silane bonded silica gel as a chromatographic column filler, uses a phosphoric acid solution as a mobile phase A, uses an acetonitrile-methanol mixed solution as a mobile phase B, and adopts a gradient elution method. And carrying out gradient elution to determine the content of the impurity compound I and the impurity compound II in the brexpiprazole key material. According to the method, the blank that a method for measuring the impurity compound I in the brexpiprazole key material does not exist at present and a method for measuring the impurity compound I and the impurity compound II in the brexpiprazole key material does not exist at the same time is filled up; the method for determining the impurity compound I and the impurity compound II in the brexpiprazole key material is high in selectivity, good in accuracy and high in precision and sensitivity; according to the invention, the quality control of the medicine can be effectively enhanced.

The application relates to a time axis interaction method, device and equipment. After a visual time axis of a target business module is created in an interaction interface, the set time span is acquired, and a current time scale is drawn in combination with a current progress time. When a user performs a dragging operation, the dragging action is listened to, and a pixel offset amount accumulated in the dragging process is acquired. According to the pixel offset amount, a time offset value is calculated in combination with a preset unit pixel time length. Then, the time offset value continuously accumulated along with the dragging is superimposed on the current progress time of the target business module to update the current progress time, and the current time scale of the time axis is redrawn based on the updated current progress time, so that the time scale continuously moves backward along with the accumulation of the pixel offset amount generated by each dragging operation. Finally, the time axis sliding range limit is broken through, and infinite time span browsing is supported without increasing the rendering burden.

The application provides a soft structure and a processing method thereof and a soft robot, and belongs to the technical field of growing robots, and comprises a main air chamber and at least two sub air chambers, the sub air chambers are distributed in a ring shape along the outer peripheral surface of the main air chamber and extend along the axial direction of the main air chamber; a plurality of extension turning parts are arranged in each sub air chamber, the extension turning part comprises a first buckle and a second buckle, and the first buckle and the second buckle are fixedly arranged on the inner wall of the sub air chamber; wherein, when the first buckle and the second buckle are buckled, a wrinkle part is formed in the sub air chamber; when the first buckle and the second buckle are separated, the wrinkle part can be unfolded; when the soft structure is stretched out, the corresponding sub air chamber is inflated, and the first buckle and the second buckle are automatically separated; an air nozzle, the air nozzle is communicated with the corresponding sub air chamber and is used for inflating the sub air chamber; the advantage is that when the soft structure is stretched out from the main air chamber, the corresponding sub air chamber is inflated, the cross-sectional size of the sub air chamber is changed, the first buckle and the second buckle are relatively displaced and separated, and the wrinkle part is unfolded as required.

The invention discloses a TBM double-track tunnel trackless transportation cross-line bypassing cushion layer rapid construction method, and belongs to the technical field of tunnel construction. According to the method, a construction area is divided into a plurality of construction sections in the longitudinal direction of a tunnel, construction and transport vehicle framing and side alternate operation is organized, and parallel cushion layer pouring and trackless transport are achieved; the method comprises the following steps of: performing radar detection and scabbling treatment on the top surface of an inverted arch block during construction preparation; installing a steel plate water stop belt, and penetrating through the ground beam and the drainage blind pipe; a detachable steel pipe is adopted for shaping and constructing a cushion drainage ditch; after a reinforcing mesh is laid, concrete pouring, multi-pass surface finishing, steam and heat preservation curing and temperature and humidity monitoring are conducted; by optimizing the construction organization and technology, the problems that transportation is interrupted, the construction period is long and cracking is prone to occurring in a traditional method are solved, efficient, high-quality and low-interference cushion layer construction is achieved, optimal construction parameters can be scientifically screened by setting a contrast test section, and adaptability is high.

The invention discloses a robot control method based on active disturbance observation and phase coupling control, and the method comprises the steps: collecting the current state quantity of a robot in real time, and constructing a joint space dynamic model; generating state estimation and disturbance estimation in the joint space dynamic model; a phase parameterization method is adopted to map the phase of the multi-degree-of-freedom action to an expected trajectory, and a closed-loop trajectory tracking and disturbance compensation control law is designed in combination with disturbance estimation and a sliding manifold mechanism; according to the method, a position error transformation design continuously-derivable robot auxiliary level function is introduced, the stability is analyzed by adopting a Lyapunov method, and a closed-loop trajectory tracking and disturbance compensation control law and a coupling gain adaptive law are substituted into a time derivative of a candidate Lyapunov function to complete the control of the robot. The control output can be kept smooth and continuous, instruction sudden change or attitude instability is avoided, high action success rate and landing stability can still be maintained when the environment changes, and the landing impact load peak value is effectively reduced.

The utility model discloses a kind of adjustable heating device for composite electric contact material, and heating device includes rack and heating furnace;Partition heating pipe for being used to supply belt material to pass is replaced or alternatively inserted in heating cavity;Partition heating pipe inner cavity is not communicated with heating cavity space, and heating cavity and / or partition heating pipe are separately independently ventilated into protective atmosphere;Composite equipment includes belt material unwinding device, material polishing device, heating device, rolling cooling device, belt material winding device sequentially arranged along the direction of transmission of belt material to be compounded;The application adopts variable protective atmosphere structure of insertable partition heating pipe, flexible construction of heating interval is realized, just replace different types or specifications of partition heating pipe, heating and atmosphere protection adjustment under different materials or process conditions can be satisfied;Not limited to the specific heating source or specific setting of heating furnace, without changing the overall structure of heating furnace, improve the adaptability and flexibility of composite equipment in multi-process scene.

The utility model discloses a toy bubble gun which comprises a gun-shaped main body, a foaming assembly and a driving device, the foaming assembly and the driving device are both installed on the main body, and the foaming assembly and the driving device are in transmission connection through a linkage structure. The linkage structure is further in transmission connection with a transmission mechanism, the transmission mechanism is in transmission connection with a doll, the linkage structure drives the foaming assembly to operate and also drives the transmission mechanism to operate, and the transmission mechanism drives the doll to rotate. When the driving device operates, the linkage structure drives the transmission mechanism to operate, and then the doll is driven to rotate. In addition, the linkage structure is arranged to be a stepped gear, so that the transmission structure is simplified, and the efficiency is improved; the transmission mechanism comprises a bevel gear, a coupling rod, a transmission gear and the like so as to achieve power transmission and rotation of the doll. In conclusion, the design of the toy bubble gun aims at combining the dual functions of bubble emission and doll rotation, so that the interestingness and interactivity of the toy are improved.