60results about How to "Avoid difficult operation" patented technology

The invention relates to the field of leakage-proof, and especially relates to a plugging agent for leakage-proof and / or leakage plugging in oil wells, and a preparation method of the plugging agent. The plugging agent includes a shape memory granule and plugging slurry. The shape memory granule includes a shape memory polymer. By means of the shape memory granule, a problem of aggregation of a solvent after addition of fibers is solved; meanwhile, the plugging agent is effective in leakage-proof and / or leakage plugging.

The embodiment of the invention provides a memory leak detecting method and a memory leak detecting device. A memory comprises a doubly linked list of an allocated memory; and the doubly linked list comprises memory header information of one or more allocated memory blocks. The method comprises the steps of: determining a detection time interval; traversing the header information in the detection time interval in the doubly linked list; and in accordance with the memory header information, determining whether the corresponding one or more allocated memory blocks are subject to memory leak. By the memory leak detecting method and the memory leak detecting device, memory leak can be visually detected in real time, the software performance is improved, and manual operation is reduced or avoided, so that the method and the device are labor-saving and time-saving, the operation difficulty is reduced, the working efficiency is improved, the cost is reduced, the accuracy of the detection of memory leak is improved, and the leaked memory can be recycled in the entity life cycle.

The invention provides a shape memory plugging agent as well as a preparation method and application thereof. The invention belongs to the technical field of leakage prevention or repair. The shape memory plugging agent comprises shape memory particles, the shape memory particles are of a foam structure, the shape memory particles comprise shape memory polymer particles of the same series and / or shape memory composite material particles of the same series, and the shape memory particles can achieve shape recovery under the temperature gradient. Comparing with the prior art, the material composition is simple, the shape memory particles can be directly added into the plugging slurry, the high-difficulty operation procedure of adding fibers while injecting in the process of using the fibersis avoided, the problem that the leakage-proof and / or leaking stoppage effect cannot be fully displayed due to too small adding amount is also avoided, the distribution of the shape memory particles in the leaking stoppage liquid is more uniform, the leakage-proof and / or leaking stoppage effect are / is better, and the supporting force is strong.

The invention discloses a hydraulic control underwater pipeline horizontal docking and locking device and a docking and locking method thereof. The device comprises a locking mechanism, a propelling mechanism and a support mechanism. The locking mechanism comprises a connecting body and a locking device, and the locking device is controlled by hydraulic pressure and can lock or loosen docked pipe joints. The propelling mechanism comprises a pipe joint and a pipe joint outer barrel, at least two sealing cavities can be formed between the outer wall of the pipe joint and the inner wall of the outer barrel, and hydraulic pressure is added into the sealing cavities so that the pipe joint can move to be docked with the connecting body. The support mechanism comprises a support and a clamping supporting base, the clamping supporting base is arranged on the support, the propelling mechanism is lowered to fall into water and can be combined on the clamping supporting base, and accordingly the accurate position of the propelling mechanism can be guaranteed. By the adoption of the device and method, all the mounting processes of the pipe joint can be accurately achieved, so that pipeline docking reliability is guaranteed, and the adverse impact of environmental factors of the outside is reduced.

This invention relates to an advertisement realizing method in mobile network game and its system and game platform. Wherein, pre-storing advertisement data independently; during the game, reading the data to display in game interface. This invention separates game content and advertisement content to reduce operation request to stuff for modifying game and the maintenance cost. It also discloses a game system and platform for advertisement display.

The invention discloses an automatic fire extinguishing system for a vehicle and a fire extinguishing method thereof. The system comprises a fire extinguishing processing layer, a data transmission layer, a data analysis processing layer and a user service layer, wherein the fire extinguishing processing layer comprises a detection device, a fire extinguishing device and a fire extinguishing controller; the detection device is used for detecting the real-time temperature of a compartment; an engine compartment and a battery compartment of the vehicle and is also used for detecting whether flames are generated in the compartment; the engine compartment and the battery compartment; the fire extinguishing device comprises fire extinguishing disposal devices arranged in the compartment; the engine compartment and the battery compartment respectively; each fire extinguishing disposal device is used for releasing a fire extinguishing agent to extinguish a fire in an area where the fire extinguishing disposal device is positioned; and the fire extinguishing controller is used for driving the corresponding fire extinguishing disposal device to release the fire extinguishing agent. The automatic fire extinguishing system for the vehicle and the fire extinguishing method thereof achieve the functions of automatic fire extinguishing and remote manual fire extinguishing of the vehicle, arebeneficial to platform information management of fire fighting data, and can also transmit environmental parameters to a cloud platform so as to monitor operating data of the vehicle before a fire occurs and generate a certain prediction effect.

The invention relates to an electric connector cable outlet vulcanization sealing method which successively includes the following steps: vulcanization surface pre-treating, surface conditioning agent processing, die installation, glue pouring and vulcanization, and solidification and demoulding. According to the invention, the method is advantaged in that the method includes a step 1 of vulcanization surface pre-treating, a step 2 of surface conditioning agent processing, a step 3 of die installation, a step 4 of glue pouring and vulcanization, and a step 5 of solidification and demoulding so as to realize vulcanization sealing processing on an electric connector cable outlet; the method is safe and reliable, has simple structure and high practicality, and increases sealing property of the entire electric connector; products that undergo vulcanization moulding can meet all kinds of environments; each step of the method can be operated at normal temperature and under normal pressure, and the method avoids operation difficulty of traditional heat vulcanization moulding.

The invention discloses an online monitoring method for laser additive manufacturing. The method includes the following steps that the center temperature of a molten pool and the diameter of the molten pool are collected in real time; and when the collected center temperature of the molten pool or the collected diameter of the molten pool does not conform to the pre-stored relationship of the laser power P, the center temperature of the molten pool and the diameter of the molten pool, the laser power P is adjusted according to the relationship so that the collected center temperature of the molten pool and the diameter of the molten pool conform to the pre-stored relationship of the laser power P, the center temperature of the molten pool and the diameter of the molten pool. By the application of the online monitoring method for laser additive manufacturing, online monitoring and control purposes are achieved, afterward detection is changed into intervening in the process, and the beneficial effects of good controllability and high machining efficiency are achieved. The online monitoring method can be better applied to large-size and large-area online monitoring in the field of ships, rail traffic and the like, the online monitoring method can better adapt to a flexible manufacturing environment, and more far-reaching practical significance is achieved.

The invention discloses a pre-fenestrated aortic covered stent and a delivery system and a utilization method thereof. The aortic covered stent with a large curved side and a small curved side comprises an outer covered stent and an inner covered stent, each of the outer covered stent and the inner covered stent is tubular and comprises a covered section and an uncovered bare stent crown, and thenear end of the covered section of the outer covered stent is provided with a rectangular uncovered pre-fenestrated hole at a reinforcement rib position of the large curved side. The inner covered stent internally sleeves the outer covered stent and identical to the outer covered stent in diameter, and the inner covered stent is shorter than the outer covered stent. The pre-fenestrated aortic covered stent and the delivery system and the utilization method thereof have advantages that due to positional adjustability of the pre-fenestrated hole in the aortic covered stent, fenestration operation is simplified, and fenestration success rate is increased.

The invention relates to a method for seamless sub-gap-less hot melt attachment of clothes edges, mainly used for but not limiting to processing of underclothes such as bras, but not limited to the processing of the underclothes such as the bras. The method comprises the steps of cloth selection, cutting by a cutting table, mold prefabrication, ultrasonic cutting and seamless attachment. The seamless sub-gap-less attachment of the clothes edges is finished according to the steps, the clothes made according to the method disclosed by the invention are smooth and beautiful and a wearer wearing the clothes feels no pressure, and the method for the seamless sub-gap-less hot melt attachment of the clothes edges can solve the operating difficulty of positions with relatively large radians.

The invention discloses a set top box (STB) and a processing method for watching a program. The STB comprises a memory module, an identification module and a trigger module, wherein the memory module is used for storing habit pattern data of programs watched by a user; the habit pattern data comprise habit pattern events and corresponding trigger conditions; the identification module is used for identifying whether pattern data of the programs watched by the user currently are matched with the trigger conditions in the habit pattern data stored in the memory module; and the trigger module is used for triggering the habit pattern events corresponding to the matched trigger conditions in accordance with user operations when the identification module identifies that the pattern data of the programs watched by the user currently are matched with the trigger conditions in the habit pattern data stored in the memory module. The method is used to realize the intelligent STB with low cost, and is easy to realize.

The invention discloses a multi-station gear machining and manufacturing platform. The multi-station gear machining and manufacturing platform comprises a machining platform and a gear workpiece; the gear workpiece is arranged in the center of the upper portion of the machining platform; a base plate is attached to the lower portion of the gear workpiece; and the lower end of the base plate is fixedly connected with a plurality of end plates; the lower end of a vertical shaft on the left side of the front end is fixedly connected with an output shaft of an adjusting motor; a driving assembly is installed in the lower portion of the machining platform; a drilling assembly and a tooth cutting assembly are installed on the upper portion and the right side of the machining platform correspondingly; the multi-station gear machining and manufacturing platform is scientific and reasonable in structure and safe and convenient to use; corresponding teeth can be machined on the outer wall of the gear workpiece through cooperation of a second supporting plate, a drill bit, the gear workpiece, an air cylinder, a first gear, a hob and the machining platform; and the problem of poor machining efficiency caused by the processes of carrying, secondary clamping and the like due to the fact that drilling and tooth cutting of gears need to be carried out on different machining platforms is solved.

The invention discloses a video shooting method and device and a computer readable storage medium, and the method comprises the steps: obtaining an image frame, carrying out the image registration ofa current image frame and a former image frame, and obtaining a transformation matrix; then, calculating the exponential average of the current image according to the current image frame and the transformation matrix, and determining the motion area of the current image frame relative to the previous image frame according to the exponential average; then, covering the superimposed image corresponding to the index average with the motion area; and finally, drawing and displaying the overlaid image after coverage in real time. According to the invention, a humanized video shooting scheme is realized, so that the shooting waiting time and the image processing resource consumption are reduced, the high operation difficulty and shooting condition constraints are avoided, the shooting efficiencyis improved, and the user experience is enhanced when a video with a special motion effect is shot.

The invention belongs to the technical field of measuring tools, and provides a weld groove angle inspection rule. The weld groove angle inspection rule comprises a measuring assembly and a display assembly used for displaying an angle measured by the measuring assembly, wherein the measuring assembly comprises a fixed plate, a first movable plate, a second movable plate and a third movable plate, the first movable plate is rotatably connected with the fixed plate, and the second movable plate is rotatably connected with the first movable plate; one ends, away from the first movable plate, of the third movable plate and the second movable plate are rotatably connected; and the other end of the third movable plate is rotatably connected with the right end of the fixed plate. By arranging the movable plates which can be rotatably connected with one another, the weld groove angle inspection rule can be folded; and through setting calibration mark lines, the operator can measure the length of the weld corners, thereby solving the problems that a welding inspection rule has single structure, the device is complicated, the groove angle between two adjacent plates cannot be measured after welding members are assembled and the operator has high difficulty in operation during use.

The invention relates to the technical field of automotive accessories, discloses a supporting rod for an automotive front cover and solves the problems that a constant opening angle of an engine cover in the prior art results in inconveniences that tall operators are prone to bumping heads while opening or closing the engine cover is difficult for short operators. In an embodiment of the invention, the supporting rod for the automotive front cover comprises a fixed rod, a moving rod and an adjusting mechanism; the adjusting mechanism comprises a shell, and one end of the fixed rod is fixed into a rail which is arranged in the shell; one end of the moving rod is arranged in the rail, and the moving rod is capable of sliding in the rail; the shell is further provided with a clamping fastener which is capable of limiting a sliding distance of the moving rod. The supporting rod for the automotive front cover is mainly applied to automobiles.

The invention relates to the technical field of batteries, in particular to a zinc-air battery and a preparation method thereof. The zinc-air battery comprises a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode and the negative electrode are in a solid state. The preparation method comprises the following steps: firstly stacking the manufactured positiveelectrode and negative electrode by a laminating way, and separating the positive electrode from the negative electrode by dustless diaphragm paper; then wrapping with a molding PP shell, melting thethree sides by means of hot melt, injecting into a conductive liquid, and finally bonding the edge to obtain the zinc-air battery. The battery produced by the invention not only has low cost, large energy storage and environmental protection, but also greatly reduces the operation difficulty, the preparation process is simple, the operation cost is low, the process is easy to control, the yield is high, and the production efficiency is obviously improved.

Provided are a convenient and rapid side-surface-screw-screwing-in structure and a using method thereof. The convenient and rapid side-surface-screw-screwing-in structure is used for screwing in a screw from the side surface direction relative to the facing direction of an operator. The convenient and rapid side-surface-screw-screwing-in structure comprises an installation positioning assembly (9) and a screwing-in driving assembly (8). The installation positioning assembly comprises a fixed positioning chassis (91) and a screw containing disc (92), a sliding foot part (922) used for being connected with an elastic friction gasket (21) arranged in a sliding chute (910) of the fixed positioning chassis (91) in a jointing mode is arranged at the bottom of the screw containing disc (92), and the elastic friction gasket (21) comprises elastic clamping parts (211) located on the two sides of the sliding foot part (922) and used for clamping and positioning the sliding foot part (922) and an elastic telescopic part (212) located on the bottom side of the sliding foot part (922) and used for allowing to adjust the upper and the lower positions of the sliding foot part (922).

The invention relates to a production process of a T4P state aluminum alloy narrow roll plate. The production process comprises the steps of aluminum alloy rapid cooling continuous casting, continuous expansion extrusion, online water quenching treatment, coiling and pre-aging treatment. The cooling speed of rapid cooling continuous casting is 200-350 DEG C / s, and an aluminum alloy rod blank with the equivalent diameter of 20-40 mm is obtained through casting; the aluminum alloy blank rod is continuously expanded and extruded into a narrow coiled plate with the thickness being 4-30 mm and the width being 80-300 mm through an expansion die cavity, and the temperature of an outlet of the expansion die cavity is controlled to be 400-540 DEG C; cooling water used for carrying out online water quenching treatment on the narrow coiled plate is arranged at the position 10-50 mm away from an outlet of the expansion die cavity, and coiling and pre-aging treatment are carried out. According to the method, the aluminum alloy is subjected to rapid cooling continuous casting, then continuous expansion extrusion and online water quenching at an outlet, so that a T4P state product with a good solid solution effect can be obtained, and the whole roll of plate is uniform and consistent in structure and performance; compared with a large ingot casting-hot rolling process product, the narrow roll plate is directly formed through continuous expansion extrusion, slitting / trimming treatment is not needed any more, and the yield is effectively increased.

The invention discloses an automatic pickup device for intelligent warehousing logistics based on Internet of Things. The automatic pickup device for intelligent warehousing logistics based on Internet of Things comprises a base, a support seat, a support pillar, first electric push rods, a storage shell, second electric push rods, a fixed plate, guide holes, support plates, sliding chutes, placement plates, sliding blocks, sheltering cloth, push plates, a drag plate, a moving groove, a third electric push rod, a moving plate, a storage shell, a storage chamber, a laser detector, a processor and a controller. The automatic pickup device for intelligent warehousing logistics based on Internet of Things is simple in structure and novel in design; under the action of a discharging mechanism,cargoes placed on the surface of the placement plates can be conveniently and stably pushed, and objects in the storage shell are conveniently and automatically taken down, so that the stability in taking down the materials is guaranteed, meanwhile, the pickup intensity of a worker is reduced, the pickup efficiency of the worker is improved, and the demand of the user is met; and under the actionof an arranged lifting mechanism, the placed cargoes can be conveniently and automatically conveyed up and down, so that the worker can conveniently and automatically supplement the cargoes.

The invention provides a block chain-based carbon popularity incentive method and system. The method comprises the steps of establishing a bottom alliance chain; the block chain evidence storage module performs on-chain storage on the public low-carbon behavior data; the carbon emission reduction verification module determines a verification node for carbon emission reduction amount accounting through a nominating right and interest consensus mechanism; the carbon emission reduction module authorizes the determined verification node for carbon emission reduction accounting to call the block chain evidence storage module to obtain original public low-carbon behavior data, and the corresponding carbon emission reduction is obtained through calculation; the carbon asset management module calculates carbon assets based on the carbon emission reduction amount; a certain amount of carbon points are obtained according to the carbon assets, and the carbon points are sent to a carbon popularity user node account according to the contribution degree; carbon points in user node accounts are used for exchanging corresponding products or services; through a block random distribution mechanism based on a VRF function, verification nodes are randomly specified to collect carbon emission reduction, carbon assets and carbon points, summarized information is generated into a new block according to a block data format, and uplink evidence storage is carried out.

The invention relates to a whitewashing device for conveniently adjusting an angle. The whitewashing device for conveniently adjusting the angle comprises a handle, a sliding groove and a pull ring; afixed block is arranged at one side of the handle; a telescopic rod is connected to one side, close to the handle, of the fixed block; a clamping block is fixed to one side of the telescopic rod; thesliding groove is formed in one side, close to the clamping block, of the handle; a clamping groove is formed in one side, close to the sliding groove, of the handle; a connecting block is arranged on one side, away from the handle, of the fixed block; and a first connecting rod is fixed on one side of the connecting block. According to the whitewashing device for conveniently adjusting the angle, a threaded rod is rotated, a threaded structure formed by the threaded rod and a threaded groove enables the threaded rod to move, when the distance between the threaded rod and the fixed block is increased, a supporting frame rotates through a rotary connection formed by the first connecting rod and the fixed block, the angle between the supporting frame and the handle is conveniently adjusted,the safety of the device is effectively improved, and the fact that when the wall surfaces with different angles are whitewashed, the human body rotates along with the wall surfaces and the operationdifficulty is increased is avoided.

The invention discloses a transformer iron core grounding fault diagnosis simulation method and device based on an equivalent method. A transformer three-dimensional finite element model based on an equivalent method thought is established in ANSYS software to simulate a transformer iron core grounding fault, and three-dimensional research analysis is performed on an iron core of a simulation object transformer, windings on the high- / low-voltage sides and a coil for simulating a conduction fault by using a three-dimensional anisotropic conductivity formula and a magnetic conductivity formula.Different fault types are set on an iron core of the simulation device, and the fault current and the relation between the fault current and the fault position are detected and obtained. A short-circuit coil is used for equivalently replacing a complex grounding condition to carry out fault diagnosis. An upper yoke surface is installed at the upper end of a transformer iron core of the device, a high-low voltage simulation winding is installed in a transformer box body, and a fault short-circuit wire is arranged in the high-low voltage simulation winding. The fault short-circuit wire is in short-circuit contact with the short-circuit grounding points of a left iron yoke surface and the upper iron yoke surface to form a simulated transformer fault loop. The method and the device are simple,quick, convenient and accurate in troubleshooting and solving of power transformer faults.

The invention relates to a preparation method of a substituted diphenyl ether bromide, which comprises the following steps: adding a substituted diphenyl ether compound and bromine into a micro-reactor, and carrying out continuous reaction to prepare the diphenyl ether compound of which the methyl hydrogen atom is substituted by bromine. According to the technical scheme, a modular micro-channel reaction device is adopted, so that the mass transfer and heat transfer efficiency is high, raw materials are instantly and fully mixed, the reaction rate is increased, the selectivity is improved, thereaction time is greatly shortened, and the production efficiency is improved; continuous production operation can be achieved, the product quality stability is improved, the equipment integration degree is high, and the occupied space can be reduced; and the product is high in yield and purity.

The invention discloses a support rod for a front cover of an automobile, relates to the technical field of auto parts, and solves the problem that the opening angle of the engine cover is constant in the prior art, which causes tall operators to easily hit their heads and operate with a low stature Difficulty for personnel to open or close the hood. In the embodiment of the present invention, the automobile front cover support rod includes a fixed rod and a movable rod, and also includes an adjustment mechanism, the adjustment mechanism includes a housing, and a track is arranged inside the housing, and one end of the fixed rod is fixed on the In the track; one end of the movable rod is placed in the track, and the movable rod can slide in the track; the housing is also provided with a fastener, which can limit the movable rod the sliding distance. The invention is mainly used in automobiles.

The invention discloses an integrated air tap joint with independent double ends. The integrated air tap joint comprises a joint pipe body and an upper cover, wherein a hollow cylindrical elastic ring is arranged in the joint pipe body corresponding to each joint pipe body bottom hole, a double movable body and an adjusting bolt are also arranged above the elastic ring in the joint pipe body, the diameter of the inner hole of each elastic ring is more than the outer diameter of corresponding air valve body, air inlets for accommodating air outlet pipes of an inflating device are formed in the outer wall of the joint pipe body and the double movable body, a first central concave hole and a second central concave hole are also formed in the lower end face of the double movable body, and a valve actuating mechanism is arranged between the air inlets and the first and second central concave holes for adjusting the inflating direction of the inflating device; the joint is connected and removed by using a rotary handle, thus being easy to operate and grasp. The operation can be completed even by one hand, and when the joint is removed, air in a tire is not obviously leaked out even when the joint is slowly disassembled.

The invention relates to a drilling machine structure with convenience in use and a use method thereof. The drilling machine structure is used for drilling from the lateral direction relative to the direction to which a user faces. The drilling machine structure comprises a solid joint component (9) and a transferring component (8), wherein the solid joint component (9) comprises a solid joint seat (91) and a drill bit containing piece (92); a sliding connection foot piece (922) is arranged at the bottom of the drill bit containing piece (92) and is used for jointing a rubber pad (21) arranged in a sliding chute (910) of the solid joint seat (91); the rubber pad (21) comprises an elastic connection clamping part (211) and an elastic connection stretching movement part (212), and the elastic connection clamping part (211) is positioned on the two sides of the sliding connection foot piece (922) and is used for clamping and fixing the sliding connection foot piece (922); and the elastic connection stretching movement part (212) is positioned on the bottom side of the sliding connection foot piece (922) and is used for allowing adjusting the vertical position of the sliding connection foot piece (922).

The invention discloses a dielectric barrier fuel charge device, and belongs to the technical field of fuel engine pretreatment devices. The dielectric barrier fuel charge device comprises a fuel charge mechanism, the fuel charge mechanism is connected with an installation damping device, the installation damping device comprises a connecting mechanism, the connecting mechanism comprises an upper connecting semi-ring and a lower connecting semi-ring, the upper connecting semi-ring is connected with a damping mechanism, and the lower connecting semi-ring is fixedly mounted on the upper connecting semi-ring through a fixing bolt; and the two ends of the fuel charge mechanism are connected with communicating pipes, and the ends, away from the fuel charge mechanism, of the communicating pipes are connected with a first fuel filtering device and a second fuel filtering device correspondingly. The problems that existing design is poor in purification effect, high in cost and large in operation difficulty, the connecting manner between a filter and an oil conveying pipeline is simpler, the sealing performance is poor, and leakage and falling off are prone to occurring are effectively solved.

The invention relates to a method for seamless sub-gap-less hot melt attachment of clothes edges, mainly used for but not limiting to processing of underclothes such as bras, but not limited to the processing of the underclothes such as the bras. The method comprises the steps of cloth selection, cutting by a cutting table, mold prefabrication, ultrasonic cutting and seamless attachment. The seamless sub-gap-less attachment of the clothes edges is finished according to the steps, the clothes made according to the method disclosed by the invention are smooth and beautiful and a wearer wearing the clothes feels no pressure, and the method for the seamless sub-gap-less hot melt attachment of the clothes edges can solve the operating difficulty of positions with relatively large radians.

The invention provides a control method and device for a dental implant device, a surgical robot and a storage medium. The cross-section is acquired from a three-dimensional model of the oral cavity and displayed; the safety of the safe surgical area around the implant is determined according to the model parameters of the implant model. Radius and the hole radius of the implant socket for placing the implant; project the model center point of the implant model to the cross section to obtain the display center point, take the projected display center point as the center of the circle, and use the hole radius and The safety radius draws the target ring of the cavity and the target ring of the safe operation area respectively; the dental implant device is displayed on the display surface of the dental implant device with the target ring of the cavity and the target ring of the safe operation area; according to the target ring of the cavity and the target ring of the safe operation area The ring and the relative positional relationship between the dental implant device and the implant model control the walking process of the dental implant device. Thus, it is convenient to prevent the dental implant instrument from drilling into other organ tissues and deep dental nerve tissues.

The invention aims at providing a magnetic induction switch which is convenient to manufacture and is high in reliability and a manufacturing method of the magnetic induction switch. The magnetic induction switch comprises a shell and a sensor. A sensor accommodating cavity is arranged in the shell, one end of the sensor accommodating cavity is open, and the sensor accommodating cavity is providedwith a glue injection port connected with an external portion. The sensor is located in the sensor accommodating cavity, a lead of the sensor is led out from the open end of the sensor accommodatingcavity, and the sensor accommodating cavity is filled with a glue. The magnetic induction switch is simple and convenient to manufacture, the sensor and the shell are fixed very stably, and the magnetic induction switch has high reliability and a long service life and is very suitable for large and small household appliances.