406results about How to "Realize switching" patented technology

A CAE simulation result visualization system supporting multiple interaction modes comprises a multi-resolution rendering module used for obtaining interaction behaviors of a user and dynamically adjusting the resolution of a rendering area according to the interaction behaviors of the user; the key frame and time step screening module is used for analyzing the input simulation data, automatically screening out key frames and detecting the time step change of the simulation data according to a time sequence analysis method; the data compression and simplification module is used for compressing the data by using a feature-preserving compression algorithm, performing incremental storage and sparse representation on the compressed data, and recording data changes; and the dynamic local playing and frame-skipping rendering module is used for acquiring a user local time playing instruction, and processing user local time and non-user local time respectively through a frame-skipping rendering method so as to realize multi-frame rendering and switching. According to the method, the data analysis efficiency is improved, the rendering and data transmission efficiency is improved, and computing resources are saved.

The invention discloses a variable-frequency reconfigurable wireless electric energy transmission system and a parameter design method, and relates to a wireless electric energy transmission system and a parameter design method. The invention aims to solve the problems that the existing wireless power transmission technology is difficult to maintain approximately constant power transmission in the face of wider coupling coefficient fluctuation, and the system control complexity is higher at the same time. The system comprises a full-bridge inverter circuit, a primary side compensation network, a coupling coil, a secondary side compensation network and a rectification filter circuit. The input end of the full-bridge inverter circuit is connected with a direct-current voltage source UD, the output end of the full-bridge inverter circuit is connected with the input end of the primary side compensation network, the output end of the primary side compensation network is connected with the primary side input end of the coupling coil, and the secondary side output end of the coupling coil is connected with the input end of the secondary side compensation network. The output end of the secondary side compensation network is connected with the input end of the rectification filter circuit; the output end of the rectification filter circuit is connected with a battery load Ro. The invention belongs to the technical field of wireless power transmission.

The invention discloses a variable-frequency reconfigurable wireless electric energy transmission system and a parameter design method, and relates to a wireless electric energy transmission system and a parameter design method. The invention aims to solve the problem that approximately constant power transmission is difficult to maintain in the prior art for relatively wide coupling coefficient fluctuation. The system comprises a full-bridge inverter circuit, a primary side compensation network, a coupling coil, a secondary side compensation network and a rectification filter circuit. The input end of the full-bridge inverter circuit is connected with a direct-current voltage source UD, the output end of the full-bridge inverter circuit is connected with the input end of the primary side compensation network, the output end of the primary side compensation network is connected with the primary side input end of the coupling coil, and the secondary side output end of the coupling coil is connected with the input end of the secondary side compensation network. The output end of the secondary side compensation network is connected with the input end of the rectification filter circuit, and the output end of the rectification filter circuit is connected with the battery load Ro. The invention belongs to the technical field of wireless power transmission.

The invention belongs to the technical field of vacuum melting furnaces, and discloses an alloy vacuum melting furnace which comprises a melting furnace body, a sliding lifting frame is installed in the melting furnace body, a rotating electric crucible is installed at the upper end of the lifting frame, a feeding opening is formed in the upper end of the melting furnace body, and a feeding sealing cover is installed at the upper end of the feeding opening. A flow guide disc is fixedly mounted on the side surface of the lower end of the lifting frame, a flow guide opening is formed in the side surface of the lower end of the flow guide disc, a drainage opening is formed in the outer side surface of the smelting furnace body, and a cooling mechanism is arranged on one side of the smelting furnace body. The vacuum degree loss and the cooling waiting time in the cooling and discharging process are reduced in a continuous closed transfer mode, so that the purpose of continuous and efficient smelting is achieved. According to the alloy vacuum melting furnace, in the process that the lifting motor drives the electric crucible to ascend, the mode that the angle gear is meshed with the angle toothed bar is utilized, and the electric crucible automatically turns over to pour molten alloy.

The invention belongs to the technical field of detachable shoes, and particularly relates to a detachable roller skating structure, a roller skate and a wearing method of the roller skate. The roller skating structure comprises a framework, a locking mechanism and a toggle switch, a containing cavity extending in the length direction is formed in the framework, the locking mechanism is installed in the containing cavity and comprises two lock catches and a driving assembly located between the two lock catches, the driving assembly is in linkage with the toggle switch on the outer side of the framework, and a limiting lock is arranged on the toggle switch. According to the roller skate, the toggle switch can rotate freely by opening the limiting lock, the toggle switch rotates to drive the lock catches on the locking mechanism to move face to face or back to back, the roller skating structure can be detached from a sole of a common shoe or installed on the sole of the common shoe more conveniently, free switching between the common shoe and the roller skate is achieved, and meanwhile, the roller skate is convenient to use. The self-locking of the roller skating structure is realized through the arrangement of the limiting lock, so that the use safety of the roller skates is improved.

A shank unit translation type receding seating control method comprises a shank unit composed of a leg assembly and a foot assembly, the shank unit comprises a working state, an initial state and a receding state, and the process of recovering the shank unit from the working state to the initial state is as follows: S1, under the condition that the leg assembly keeps the position of the working state, the leg assembly keeps the position of the receding state; the foot component moves to an initial state in advance; s2, after the foot assembly is in the initial state, the foot assembly is horizontally moved to a receding state; s3, the leg assembly moves to the initial state after the foot assembly is in the receding state. And the control mechanism is used for implementing the steps. The seat has the beneficial effects that the discomfort of a user when the user sits in and leaves the seat is reduced, so that the user does not need to sit in and leave the seat in a mode of supporting the body by arms, and the user experience is effectively improved.

The invention provides a node determination method of a Kubernetes system and related equipment, the method is applied to a target node, the target node is any node in each node of the Kubernetes system, the method comprises the following steps: obtaining state data of each preset target service in each node of the Kubernetes system; determining the running state of each node according to the weight and state data of each target service of each node; and determining a main node and a standby node in the nodes according to the running state of each node. The main and standby nodes can be switched according to the running state of each node.

The invention relates to the technical field of sintering furnaces, and discloses an efficient metal injection molding vacuum degreasing sintering furnace which comprises a sintering furnace frame body, a furnace body is fixedly connected to the interior of the sintering furnace frame body, a furnace door is hinged to the open end of the furnace body, and a heating frame is arranged in the furnace body; a forming assembly used for sintering metal powder and adhesive mixtures injected into a mold cavity of the mold is arranged in the heating frame, and a vacuumizing assembly used for extracting air in the sintering furnace body is arranged on one side of the sintering furnace frame body. By arranging the detachable forming assembly and the forming mold, metal subjected to sintering forming can be conveniently replaced, the sintering position is constant, and it is effectively guaranteed that the quality of metal sintering blanks of the same batch is uniform; therefore, the air velocity in the heat conduction copper pipe is effectively improved, and the heat dissipation efficiency of inert gas in the conical shell is further improved through the heat conduction copper pipe.

According to the grounding resistance reducing device of the oil-immersed transformer and the using method of the grounding resistance reducing device, the grounding resistance reducing device is arranged on one side of a body of the oil-immersed transformer, the oil-immersed transformer is provided with a grounding wire, the grounding wire is connected with a grounding electrode inserted into the ground, and a resistance reducing device is arranged over the grounding electrode. The resistance reduction device comprises a rainwater collection pool located on the ground, a conductive material chamber arranged in the rainwater collection pool and a plurality of liquid distribution pipes communicated with the rainwater collection pool, the liquid distribution pipes are inserted underground and located around the grounding electrode, a plurality of liquid outlet holes facing the grounding electrode are formed in the liquid distribution pipes, and soil monitoring units are arranged on the lower portions of the liquid distribution pipes; a first automatic discharging valve is arranged on the lower portion of the rainwater collecting pool, a water level monitoring unit is arranged in the first automatic discharging valve, the first automatic discharging valve is provided with a liquid outlet located in the lower portion, and the upper portions of the liquid distribution pipes are all communicated with the liquid outlet. Rainwater in the rainwater collecting pool is discharged through the first automatic discharging valve, and the rainwater flows to the position near the grounding electrode through the multiple liquid distribution pipes, so that the conductivity of soil is improved.

The invention provides a machining device for a car lamp support, and particularly relates to the technical field of car lamp support machining. The machining device for the automobile lamp support comprises a machining device body, a machining area arranged in the machining device body and material changing areas arranged on the two sides of the machining device body, a mounting plate is arranged on the machining device body, and a sliding plate is arranged on the mounting plate in a sliding mode; a first bearing plate and a second bearing plate are fixedly connected to the sliding plate, and the first bearing plate and the second bearing plate are used for bearing workpieces respectively and do reciprocating motion in a machining area and a material changing area; according to the machining device for the automobile lamp support, when one station is used for machining, feeding and discharging operation can be conducted on the other station, the downtime of the machining device is shortened, the machining efficiency of the device is higher, in addition, clamping or releasing of workpieces can be achieved in the station switching process, and the machining efficiency of the automobile lamp support is improved. And the convenience during feeding and discharging is improved.

The utility model discloses a single-groove multichannel vibrating screen classifier which comprises a machine frame and a vibrating screen box body, the vibrating screen box body is connected with the machine frame through a plurality of first spring pieces, a power device and an eccentric transmission device are arranged on the machine frame, and the power device is connected with the eccentric transmission device. One end of the vibrating screen box body is connected with the eccentric transmission device through a first connecting spring piece, a screen mesh assembly and a turning plate mechanism are arranged in the vibrating screen box body, and a turning plate driving device is arranged on the outer wall of the vibrating screen box body. Free switching between three-stage screening and four-stage screening can be achieved according to actual requirements, different screening requirements are met, and the screening device has the advantages of being efficient and convenient to use.

The invention discloses a semiconductor packaging quality visual inspection device which comprises a machine body, a conveying mechanism and an industrial camera, the conveying mechanism and the industrial camera are installed on the machine body, and a rotary plate is rotationally connected with a lampshade; a sliding connection frame and a telescopic rod for controlling the sliding connection frame to move are arranged on the lamp tube, and a transmission part corresponding to the rotating plate is arranged on the outer side of the rotating disc; an electric control part for controlling the side cylinder to rotate is arranged on the frame rod, and a pressing structure for limiting the lampshade from being unfolded relative to the rotating plate is arranged on the side portion of the side cylinder. According to the invention, through the design of the rotary disc and the rotary plate, multi-color LED light sources can be conveniently integrated, switching of the light sources of various colors is realized, the visibility of specific characteristics can be enhanced through the optical filters of different colors, the detection accuracy is improved, and through the cooperative design of the sliding connection frame and the abutting groove, it is ensured that when the lampshade is opened and aligned with the lamp holder of the lamp barrel, the light sources of various colors can be conveniently switched. The device can be accurately fixed outside a light source, avoids light leakage, and ensures that the background of a detected image is clear.

The utility model provides water temperature regulation and control equipment for penaeus vannamei culture, which belongs to the technical field of aquaculture equipment and comprises a flow regulation mechanism communicated with culture equipment. The flow adjusting mechanism communicates with refrigeration equipment through a first flow dividing pipe and communicates with heating equipment through a second flow dividing pipe. The output end of the first water pump is communicated with a filter box and a second water pump, and the second water pump is communicated with the refrigeration equipment and the heating equipment. By arranging the flow adjusting mechanism, switching of cold water and hot water and adjustment of water quantity are achieved, so that adjustment of water temperature in the breeding barrel is achieved, and proper breeding water temperature is guaranteed; according to the penaeus vannamei breeding device, water is recycled, meanwhile, circulating water is subjected to split-flow heating or refrigeration, water temperature adjustment is guaranteed, the water utilization rate is increased, meanwhile, the water level in the breeding barrel can be prevented from being too high, and the breeding effect of penaeus vannamei is improved.

The utility model provides an edge covering mechanism for an automobile ceiling, which relates to the field of ceiling manufacturing and comprises a rack, and a mounting frame and a driving component for driving the mounting frame to lift are arranged on a top plate of the rack; the lower end face of the mounting frame is detachably connected with an upper mold frame, and the lower end of the upper mold frame is connected with a first pressing assembly. A lower mold frame is detachably connected to a workbench of the rack, and a positioning seat and a plurality of edge covering assemblies are arranged at the upper end of the lower mold frame; a maintenance protection assembly is further arranged between the mounting frame and the workbench, the maintenance protection assembly can rotate to a working position and a maintenance position in the horizontal direction, and when the maintenance protection assembly is located at the maintenance position, the upper end and the lower end of the maintenance protection assembly abut against the mounting frame and the workbench respectively. When the automobile ceiling edge covering mechanism is applied to press fitting of ceilings of different specifications, only the edge covering die needs to be replaced, a rack does not need to be manufactured again, the manufacturing cost is saved, die replacement is convenient, and safety guarantee is achieved when a maintainer conducts maintenance.

The utility model discloses an automatic microorganism sample pretreatment device, which relates to the field of pretreatment of legionella pneumophila, and comprises an oscillation module, a stock solution module, a heat treatment module, an acid treatment module, a liquid absorption module, a waste liquid recovery module and a sample inoculation module. Different samples are oscillated and eluted through a test tube oscillator in the oscillation module, the samples in the test tube oscillator are sucked through the liquid suction module, and the same sample is moved into the heat treatment module, the acid treatment module and the stock solution module to be treated; the treated sample is transferred to the sample inoculation module through the liquid suction module for sample inoculation, and waste liquid, waste test tubes and waste liquid suction tubes generated in the period are recycled through the waste liquid recycling module. According to the device, the problems of influence on subsequent sample culture and reduction of the probability of positive results due to confusion operation in busy work are effectively avoided, and the overall high efficiency of the device is improved.

The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.

The invention discloses an alloy steel wire rope coiling and packing device and a packing method, and belongs to the technical field of steel wire rope packing devices.The alloy steel wire rope coiling and packing device comprises a main body module and a continuous coiling module, the main body module comprises a coiling frame, a discharging inclined frame is fixedly connected to the bottom of the inner wall of the coiling frame, and a long strip plate is fixedly connected to one side of the coiling frame; a wire arranging assembly is arranged between the two sides of the inner wall of the winding frame, the wire arranging assembly is close to the front end face of the winding frame, and through arrangement of the fixing assembly, the winding assembly, a first magnetic block, a limiting assembly, a boosting assembly, a transmission assembly and a driving assembly, when the device is used, switching of the winding assembly can be rapidly achieved, and the winding efficiency is improved. According to the device, the rolling assembly can be placed between the two limiting assemblies in advance, follow-up feeding is facilitated, and therefore the packaging efficiency is indirectly improved.

The invention provides a switching method and device and a storage medium. The method comprises the following steps: acquiring related information of a target logic DU cell of a mobile IAB node; and switching user equipment (UE) served by the mobile IAB node from a source logic DU cell co-located with the target logic DU cell to the target logic DU cell based on the related information. According to the switching method and device and the storage medium provided by the invention, the source logic DU of the mobile IAB node reports the related information of the target logic DU cell of the mobile IAB node to the source donor-CU of the source logic DU of the mobile IAB node, so that the source donor-CU of the source logic DU of the mobile IAB node timely acquires the target cell switched by the UE, and the UE is switched between the IAB logic DUs.

The utility model discloses a height-adjustable nursing dispensing device, and relates to the technical field of devices special for medical treatment. Comprising a plurality of penicillin bottles, a solvent bag and an infusion tube, puncture needles are arranged at the two ends of the infusion tube respectively, the puncture needle at the first end is punctured in the solvent bag, a peristaltic pump for driving internal liquid medicine to flow is arranged on the infusion tube, and the penicillin bottles are located above the puncture needle at the second end. The penicillin bottle is driven to move along the horizontal direction; the height adjusting mechanism is connected with the puncture needle at the second end so as to drive the puncture needle at the second end to move towards / away from one of the penicillin bottles in the height direction. According to the utility model, the medicine liquid in a plurality of penicillin bottles can be prepared, so that the requirement of medical personnel on medicine preparation can be met.

The invention discloses a multi-beam reconfigurable antenna with multi-polarization and beam switching functions, and relates to the technical field of wireless communication antennas. Comprising a reconfigurable feed network and a plurality of electromagnetic dipole antenna units. Each antenna unit is composed of four square patches with arc-shaped grooves and two rectangular patches, the four square patches with the arc-shaped grooves are connected with the metal floor through four short circuit columns, the rectangular patches are connected with the feed network through copper columns, the two rectangular patches are printed on the front face and the back face of the dielectric plate respectively, the height difference of the two rectangular patches is 1 mm, and the two rectangular patches are orthogonal in position. Independent tuning of various polarization and wave beam states can be realized, and the antenna has the advantages of high integration level, large bandwidth, multiple polarization, convenient operation, low cost and the like, and is suitable for systems of multi-target detection, traffic communication and the like.

The invention relates to a cell switching method, device and system and electronic equipment, and relates to the technical field of communication. The cell switching method comprises the following steps: broadcasting first position change information of a cell coverage reference point of a current service cell in a first preset time period to a terminal, so that the terminal determines whether to trigger cell switching according to the first position change information; and under the condition that the terminal determines to trigger the cell switching, sending related information of performing the cell switching to the terminal, so that the terminal performs the cell switching according to the related information. According to the technical scheme provided by the invention, relatively large broadcast message updating overhead can be prevented from being introduced.

The invention discloses a radish planting harvester. The radish planting harvester comprises a mounting frame and a harvesting and conveying assembly assembled on the frame. The planting assembly and the storage assembly are selectively installed behind the harvesting and conveying assembly. The harvesting and conveying assembly comprises two sets of adjusting supports, two sets of inclination angle adjusting mechanisms and two sets of conveying mechanisms, the adjusting supports are rotationally installed on the frame, the inclination angle adjusting mechanisms are in linkage with the adjusting supports, and the two sets of conveying mechanisms are assembled on the adjusting supports respectively. The planting assembly comprises a detachable mounting bracket A, and a ditching hoe, a seeding mechanism and a soil covering mechanism are sequentially assembled on the mounting bracket A; the storage assembly comprises a mounting bracket B and a storage box, and the mounting bracket B is also detachably fixed on the frame. The driving assembly is assembled on the frame and is connected with the transmission mechanism, and the seeding mechanism is in power connection with the driving assembly in a detachable manner. The device has the beneficial effects of reducing the equipment cost, improving the working efficiency and enhancing the stability, and a more efficient and economical solution is provided for modern agriculture.

The invention provides a high-safety energy storage lithium battery module, and relates to the field of lithium batteries, the high-safety energy storage lithium battery module comprises a box body, a lithium battery pack arranged in the box body and fins arranged on the outer side of the box body, and further comprises a fire extinguishing mechanism arranged in the box body, and the high-safety energy storage lithium battery module aims at solving the technical problems that in the prior art, an existing lithium battery module can generate heat during working, and the fire extinguishing effect is poor. According to the lithium battery pack, the problems that the lithium battery pack is prone to fire due to improper use and the hidden danger is large are solved, and the fire extinguishing mechanism and the cooling mechanism are arranged, so that single or multiple batteries in the lithium battery pack are in a fire or to-be-on-fire state, are isolated and are wrapped by cooling liquid, and fire disasters are prevented; through the arranged switching part, switching between air cooling and water cooling heat dissipation is achieved, and the problem of energy waste in the prior art is solved; by arranging the leakage-proof component, the lithium battery pack is prevented from being on fire, condensate water is prevented from flowing out to influence other electric appliances, and the problem that the lithium battery pack is on fire to influence surrounding electric appliances in the prior art is solved.

The present invention relates to a hair dryer nozzle, comprising an outer nozzle and an inner nozzle, wherein the inner nozzle is rotatably fixed in the outer nozzle, wherein the inner nozzle comprises an inner nozzle fixing portion and an inner nozzle shell, wherein the outer nozzle comprises an outer nozzle seat and an outer nozzle shell, wherein the outer nozzle shell is connected vertically, wherein a first locking portion is provided on the inner nozzle, and a second locking portion is provided on the outer nozzle, wherein when the inner nozzle moves in an upward and downward direction relative to the outer nozzle shell, the first locking portion and the second locking portion are separated or locked from each other, so that the inner nozzle switches between a swinging state and a locked state. The hair dryer nozzle of the present invention only requires 2 to 3 parts, has a simpler structure, saves costs, and can improve production efficiency; and when the inner nozzle swings, the blowing range is larger, the heat is uniform, and the effect of drying hair quickly and comfortably and preventing overheating of the scalp can be achieved.

The utility model discloses a multi-functional mobile tool magazine for spring piece, including engine base, drive device and tool apron, engine base is provided on the spring equipment, drive device is provided in the middle position of engine base, drive device both sides stretch out of engine base's two side wall, there are provided two sets of tool apron respectively sliding installation on engine base both sides, and the tool apron is provided with the tool apron. The driving device can drive the two tool aprons to move relatively; the bottom wall of the tool apron and the side wall, away from the machine base, of the tool apron are provided with a plurality of first tool positions and a plurality of second tool positions respectively, the first tool positions and the second tool positions are arranged at intervals, and the first tool positions and the second tool positions are used for installing tools. The same driving device is adopted for switching of the two tool aprons, so that the overall structure of the tool magazine is smaller, the occupied size of the tool magazine is reduced, therefore, the tool magazine can be used for machining parts with smaller sizes, the machining precision is higher, and when the driving device works, the two tool aprons move towards opposite positions, and then tool switching is achieved.

The invention discloses an industrial waste gas deodorization device and method.The industrial waste gas deodorization device comprises a main body unit, a spraying mechanism and a rotating mechanism, the main body unit comprises a connecting pipe, and the lower end of the connecting pipe is fixedly connected with a gas inlet pipe. A splitter plate, a vertical rod and a rotating rod are arranged to drive a driving gear to rotate, the driving gear drives a fixed gear and a spraying pipe to rotate, and meanwhile, the spraying pipe and a fixed rod drive a fixed plate to rotate, so that a first inclined block abuts against a second inclined block, the fixed rod is pushed to move rightwards, and a clamping block abuts against the left side of a prismatic block; and the rotating gear is driven to reset leftwards under the action of the elastic force of the first spring and is meshed with the annular gear again, at the moment, the spraying pipe rotates by 180 degrees, switching of the upper water mist nozzle and the lower water mist nozzle is achieved, equipment maintenance does not need to be conducted immediately, the waste gas treatment continuity is guaranteed, and the treatment efficiency is improved.

The utility model relates to a beauty instrument, which belongs to the technical field of beauty equipment and comprises a main body, a xenon lamp tube and a light filtering assembly. The main body is provided with an accommodating cavity, and a light outlet communicated with the accommodating cavity and the external environment is also formed in the main body; the xenon lamp tube is arranged in the containing cavity, and light emitted by the xenon lamp tube can be emitted out from the light outlet. The light filtering assembly is arranged between the xenon lamp tube and the light outlet. The light filtering assembly comprises a light filtering support and light filters, the light filtering support is provided with at least two installation positions, and the light filters with different light filtering wave bands are arranged in the different installation positions; the light filtering support is rotatably connected in the containing cavity of the main body so as to switch different installation positions to correspond to the light outlets, so that the light filters move along with the light filtering support to switch different light filters to cover the light outlets so as to change the wave bands of light emitted from the light outlets, the whole operation process is simple, and the use experience of a user can be effectively improved.

The invention provides a reflector switching mechanism and an assembling and adjusting method, and relates to the technical field of optical sensor assembling and adjusting. The mechanism comprises a switching reflecting mirror, a switching reflecting mirror base used for installing the switching reflecting mirror, a bearing assembly used for providing a rotating shaft system for the switching reflecting mirror, a reflecting mirror switching bearing base used for fixing the bearing assembly, and a driven gear arranged at the shaft end of the switching reflecting mirror base in a sleeving mode. The switching gear limiting block is mounted on the driven gear; and the adsorption assembly is used for adjusting the contact position of the switching gear limiting block. The switching reflector mechanism provided by the invention can realize switching of light paths, has relatively high repeated positioning precision, and ensures the stability of an optical system.

The embodiments of the present application disclose an application switching method, device, terminal and storage medium, which belong to the field of human-computer interaction technology. The method includes: displaying a first application interface of a first application in a shared floating window, the first application belongs to n foreground applications displayed in a floating window, and n is an integer greater than or equal to 2; receiving an application switching operation; in response to the application switching operation, switching the first application interface displayed in the shared floating window to a second application interface of a second application, and the second application belongs to n foreground applications. With the solution provided by the embodiments of the present application, since the foreground application displayed in a floating window uses the same shared floating window for interface display, the problem of mutual occlusion between floating windows due to the simultaneous display of multiple floating windows can be avoided, and the occlusion of the background interface by the floating window can be reduced.

The utility model belongs to the technical field of mechanical arms, and particularly relates to a six-degree-of-freedom spraying robot mechanical arm which comprises a base, a first rotating arm is rotatably arranged on the base, a first swinging arm is rotatably arranged on the first rotating arm, a second swinging arm is rotatably arranged on the first swinging arm, and a first rotating arm is rotatably arranged on the second swinging arm. A second rotating arm is rotatably arranged on the second swinging arm, a first rotating roller is arranged on the second rotating arm, a mounting seat is fixedly arranged on the first rotating roller, a second rotating roller is fixedly arranged in the mounting seat, a hydraulic telescopic rod is fixedly arranged on the second rotating roller, and a spray gun is arranged at the telescopic end of the hydraulic telescopic rod; and a spray head is arranged on the spray gun. According to the spraying device, the three rotating rollers which operate independently are arranged on the last rotating arm and used for controlling the spraying guns with the three different nozzles to rotate, then the hydraulic telescopic rods control the spraying heads on the two sides to stretch out and draw back, spraying work is conducted at the same time in cooperation with the spraying head in the middle, and spraying work on the surface of a large-area instrument is faster.