75results about How to "Avoid degaussing" patented technology

The invention discloses a shutter-blind-cavity-and-external-pressure-balanced dual-control hollow-glass built-in shutter. The shutter-blind-cavity-and-external-pressure-balanced dual-control hollow-glass built-in shutter comprises a shutter body, an inner frame, a curtain-sheet-overturning-pulling-rope inner control mechanism, a curtain-sheet-overturning-pulling-rope outer control mechanism, a shutter-blind-lifting-pulling-rope inner control mechanism, a shutter-blind-lifting-pulling-rope outer control mechanism, a curtain-sheet-overturning executing mechanism, a shutter blind and a curtain-sheet overturning pulling rope, wherein the shutter body comprises an upper transverse frame pipe, a lower transverse frame pipe, a left longitudinal frame pipe, a right longitudinal frame pipe, inner glass and outer glass; the inner frame comprises an upper transverse frame strip, a left longitudinal frame strip and a right longitudinal frame strip. The shutter-blind-cavity-and-external-pressure-balanced dual-control hollow-glass built-in shutter is characterized in that upper-transverse-frame-pipe-cavity ventilating holes are formed in the upper-transverse-frame-pipe bottom wall, towards one side of a shutter blind cavity, of the upper transverse frame pipe, a balance-pipe-fixing-base embedded cavity is formed in the upward side of the left end of an upper-left-rotating-corner-inserting-block transverse inserting arm, a balance-pipe fixing base is arranged at the portion corresponding to the balance-pipe-fixing-base embedded cavity, a pair of balance pipes are fixedly inserted onto thebalance-pipe fixing base, the left ends of the pair of balance pipes extend out of the left end face of the upper-left-rotating-corner-inserting-block transverse inserting arm and penetrates througha sealing rubber strip to be communicated with the outside, and the right ends of the pair of balance pipes extend into an upper transverse frame pipe cavity and are communicated with the upper transverse frame pipe cavity. Air pressure in a shutter blind cavity is same as air pressure of the outside.

The invention discloses unilateral controlled hollow glass built-in window-shades capable of preventing venetian blinds from sliding down. The window-shades comprise a window body, an inner frame body, inner and outer control mechanisms, blind piece overturning performing mechanisms, the venetian blinds, a blind piece overturning pulling rope tensioning mechanism and blind piece overturning pulling ropes. The window body comprises upper and lower transverse frame tubes, left and right longitudinal frame tubes and inner and outer glass; the inner frame body comprises an upper transverse frame strip and left and right longitudinal frame strips; the blind piece overturning pulling rope tensioning mechanism is arranged on a lower right corner inserting block; and one ends of the blind piece overturning pulling ropes are fixed to the inner control mechanism, the middle parts of the blind piece overturning pulling ropes are connected with the blind piece overturning performing mechanisms andthe blind piece overturning pulling rope tensioning mechanism, and the other ends of the blind piece overturning pulling ropes are fixed to the inner control mechanism. The unilateral controlled hollow glass built-in window-shades are characterized by further comprising an opposite absorbing mechanism used for keeping the inner control mechanism at the position which enables the venetian blinds to be under an upward lifting condition, and the opposite absorbing mechanism is arranged between the lower part of the right longitudinal frame tube and the inner control mechanism. When the venetianblinds are under an upward lifting condition, the opposite absorbing mechanism keeps the inner control mechanism at the descending position, and the condition that the venetian blinds abnormally slidedownward due to the fact that the inner control mechanism abnormally moves upward cannot occur.

The invention discloses method and equipment for eliminating iron scraps from raw materials. The equipment comprises a rack, a charging bucket and a group of magnetic rods, and is characterized in that rotary arms are arranged on the rack and can horizontally rotate around the rack; a lifting mechanism is arranged on each of the rotary arms; rotary mechanisms are connected to the bottoms of the lifting mechanisms; a group of iron barrels are connected to the lower parts of each of the rotary mechanisms; a connection plate, a vibrator and an iron barrel connected with the connection plate are arranged in the group of iron barrels; the group of iron barrels is driven by the lifting mechanisms to sleeve iron barrels on the magnetic rods in the group of the magnetic rods; a motor, a rotary disc and a spring are arranged in each of the rotary mechanisms; each of the rotary disc is connected with each of the motors; a spring is fixed between each of the connection plates and each of the rotary discs; and vibrators are arranged on the connection plates. The method and the equipment have the beneficial effects that the iron barrels and the magnetic rods rotate in the charging bucket when irons are attracted, so that the contact probability of the iron barrels and slurries is increased, and the iron-attraction effect is improved; and when the iron barrels are subjected to iron removal, another group of iron barrels are quickly sleeved on the magnetic rods to perform the next round of iron attraction, so that the iron removal time is shortened, and the efficiency is improved.

The invention discloses a single-side controlled double-layer insulating glass built-in louver. The single-side controlled double-layer insulating glass built-in louver comprises a rectangular windowbody, an inner frame, front glass and rear glass. The rectangular window body is composed of a left longitudinal frame strip, a right longitudinal frame strip, an upper transverse frame strip and a lower transverse frame strip. The inner frame is composed of a left inner frame strip, a right inner frame strip, an upper inner frame strip. The front glass faces to one side of the rear glass to be incontact with the front side faces of the left longitudinal frame strip, the right longitudinal frame strip, the upper transverse frame strip and the lower transverse frame strip in a pasting mode, the rear glass faces to one side of the front glass to be in contact with the rear side faces of the left longitudinal frame strip, the right longitudinal frame strip, the upper transverse frame strip and the lower transverse frame strip in a pasting mode, and sealant strips are arranged on the edge parts between the front glass and the rear glass in an embedded mode. The front sides of the left inner frame strip, the right inner frame strip and the upper inner frame strip are in contact with the side, facing to the rear glass, of the front glass, and the rear walls of the left inner frame strip, the right inner frame strip and the upper inner frame strip are in contact with the side, facing to the front glass, of the rear glass. The single-side controlled double-layer glass built-in louveris characterized in that a left inner frame strip shading extension side is arranged on the direction, facing a venetian blind cavity, of the right side of the rear wall of the left inner frame stripsin an extending mode, a right inner frame strip shading extension side is arranged in the direction, facing a venetian blind cavity, of the left side of the rear wall of the right inner frame stripsin an extending mode, privacy of users is ensured, and safety is ensured.

The invention provides an assembling structure of a crankshaft and a rotor which includes the crankshaft and the rotor; the long shaft part of the crankshaft is fixed in the shaft hole of the rotor; the invention is improved in that the inner edge of the shaft hole of the rotor is provided with more than one internal concave blocking positions; a salient structure corresponding to the blocking position is arranged on the outer side surface of the long shaft of the crankshaft; the crankshaft and the rotor are assembled into a whole by the mutual blocking of the salient structure and the internal concave blocking position; the heating working procedure is omitted, the assembling operation is simple and convenient, the fixing blocking intensity of the crankshaft and the rotor is high, the finished product rate is improved and the manufacture and assembling cost is reduced by fixing the crankshaft and the rotor by a mechanical blocking position structure.

The invention discloses a permanent magnetic stirring device for semi-solid slurry preparation of metals. The device comprises a rack, wherein a motor is fixed on the rack, a rotating shaft of the motor is connected with a rotating mechanism, the rotating mechanism comprises a support table, a magnet fixing frame and permanent magnets, the rotating shaft of the motor is connected with the supporttable, at least one layer of permanent magnet set is fixed on the magnet fixing frame, a magnet protecting cover is fixed at the upper part of the rack, a slurry preparation container is arranged in the magnet protecting cover, and at least one blocking body is arranged in the slurry preparation container. Through arrangement of the rotating system, the slurry preparation container and the blocking body, non-contact stirring of metal slurry is realized, the purpose of uniform dispersion of solid-liquid components in semi-solid slurry in the stirring process is achieved, and the device has theadvantages of being simple in structure, reasonable in design, remarkable in effect and low in preparation cost.

The invention discloses a rotary river sand iron separation device, which comprises a base, a screening box and a screening barrel; a frame is fixedly installed on the left side of the base, and a top plate is fixedly installed on the upper side of the frame; the screening box passes through The installation frame is fixedly installed on the inner side of the frame; an exhaust fan is fixedly installed on the upper side of the top plate, an air inlet is arranged on the right side of the exhaust fan, and a disc-shaped air outlet is arranged on the top of the screening box; the screening The inside of the box is symmetrically installed with a first turning roller and a second turning roller; the inside of the screening box is fixedly installed with a fixed sieve plate on the lower side of the first turning roller, and the lower side of the fixed sieve plate is also provided with a movable Sieve plate; the sieve bucket is rotatably installed at the bottom of the sieve box. The invention adopts the method of pumping and air-drying to dry the river sand, avoiding the magnet degaussing caused by high temperature, and improving the efficiency of iron selection; the iron powder is screened out from the dried river sand by setting a rotating rotary barrel, and the screening effect is excellent.

The invention discloses a novel oily flue gas adsorption treatment device and a use method and belongs to the technical field of waste gas treatment. The novel oily flue gas adsorption treatment device comprises a transfer spherical shell; the outer wall of the transfer spherical shell is communicated with two adsorption pipelines which are symmetrically arranged; the bottom end of the transfer spherical shell is communicated with a guide-out pipe; the outer wall of the guide-out pipe is in threaded connection with a pipe cover matched with the guide-out pipe; the inner wall of the pipe coveris rotationally connected with a pipe plug through a bearing, wherein the pipe plug is matched with the guide-out pipe; the top end of the pipe plug is fixedly connected with a hinge seat; and two inclined rods arranged in a crossed mode are hinged to the interior of the hinge seat. The device can be integrally in a V-shaped pipeline shape; the device is simple in structure, is convenient to operate, is convenient and fast to install, has a good adsorption effect; an adsorption ball mechanism is arranged in the device, and can fully adsorb and purify oily smoke; the adsorption ball mechanism is convenient to be replaced with new ones, and therefore, cleaning is facilitated, and treatment effect and efficiency are improved.

The invention relates to an ABS plastic recycling and cleaning re-production production line. The ABS plastic recycling and cleaning re-production production line comprises a feeding machine, a magnetic separation device, a first cleaning tank, a first dehydration and transfer mechanism, a spraying mechanism, a first conveying mechanism, a second cleaning tank, a second dehydration and transfer mechanism, a drying mechanism, a first plastic cap separation device, a second plastic cap separation device, a second conveying mechanism and a color sorting device from left to right. According to theproduction line, by arranging the first dehydration and transfer mechanism, the spraying mechanism and the first conveying mechanism between the first cleaning tank and the second cleaning tank, cleaning liquid carried with materials from the first cleaning tank is thoroughly removed from the materials which are cleaned for the first time through the first dehydration and transfer mechanism, thenremaining chemicals on the surfaces of the materials are removed through the spraying mechanism, afterwards, the materials are transported into the second cleaning tank through the first conveying mechanism, and the situation that the chemicals on the surfaces of the materials which are cleaned for the first time contaminate the second cleaning tank, and the cleaning and separating effect at thesecond time is influenced accordingly is effectively avoided.

The invention discloses a moving coil type linear compressor of a dual-coil structure. In the prior art, due to impact between a permanent magnet and a stator, demagnetization and motor efficiency reduction are caused. The linear compressor comprises a compressor assembly, a linear motor assembly, an alternating-current motor assembly, and plate spring assemblies. The compressor assembly comprisesa box body, a rack and an air cylinder, the linear motor assembly comprises a direct-current coil and a yoke, the yoke is arranged in an inner ring of the direct-current coil, the alternating-currentmotor assembly comprises an alternating-current coil and a supporting frame, the alternating-current coil is fixedly mounted on a cantilever of a supporting frame, the alternating-current coil is arranged on a gap between the direct-current coil and the yoke, the two plate spring assemblies are coaxial with a piston rod, one plate spring assembly is fixedly mounted on the other end of the pistonrod, and the other one plate spring assembly is mounted between the rack and the yoke. A stable magnetic field between the coils can be provided, the magnetic field strength between the coils can be improved, and the efficiency of the linear compressor can be obviously improved.

The invention discloses a magnetization-preventive electricity card jacket comprising a magnetization-preventive rubber jacket. The magnetization-preventive electricity card jacket is characterized in that a recognition window is formed in the upper portion of one side of the magnetization-preventive rubber jacket, a silica gel protection paster is arranged below the recognition window, a seal is arranged on the lower side of the magnetization-preventive rubber jacket, and a pendant hole is formed in the upper right corner of the magnetization-preventive rubber jacket. The magnetization-preventive electricity card jacket has the advantages that demagnetization of an electricity card is prevented and an electromagnetic chip is protected.

The invention relates to reaction equipment, and concretely relates to a modified polypropylene foamed bead reaction kettle. The reaction kettle comprises a reaction kettle body, a variable frequencymotor is arranged above the reaction kettle body, the variable frequency motor is connected with a speed reducer, the speed reducer is connected with an outer permanent magnet, an inner permanent magnet is arranged in the outer permanent magnet, and a first sealing cavity is formed between the outer permanent magnet and the inner permanent magnet; a stirring shaft positioned at the longitudinal central axis of the reaction kettle body is arranged in the reaction kettle body; a shaft cooling water jacket is arranged on the outer surface of the stirring shaft; the shaft cooling water jacket is connected with a shaft cooling water inlet and a shaft cooling water outlet; the stirring shaft is connected through a shaft coupling which is arranged in an upper kettle body, is positioned above an upper kettle body flange and is movably connected to the stirring shaft; and the stirring shaft is connected with a bearing, and a bearing cooling water jacket is arranged on the outer surface of the bearing. According to the reaction kettle, reliable sealing performance can be guaranteed, so that accurate temperature and pressure control can be carried out, and good foaming performance is achieved.

The invention discloses an energy-saving controller of a three-phase asynchronous motor. The energy-saving controller comprises a housing, cooling fins, a cooling water tank and an integrated controller. The three-phase asynchronous motor is fixedly arranged in the housing; and cooling fins are fixedly installed on the inner wall of the housing. Each cooling fin comprises a contact piece, a fin body and a heat dissipation pipeline. The heat dissipation pipelines between the two groups of cooling fins are communicated through a first pipeline. The cooling water tank is fixedly arranged in the housing. The heat dissipation pipelines on the two groups of cooling fins are communicated with the cooling water tank through second pipelines; miniature water pumps are arranged on the group of second pipelines; a plurality of groups of semiconductor chilling plates are installed on the side face, corresponding to the rear portion of the housing, of the cooling water tank in an embedded mode; anintegrated controller is installed on the housing in an embedded mode; and the integrated controller comprises an integrated installation housing and a single-chip microcomputer installed in the integrated installation housing. The invention has the advantages of preventing high temperature from weakening the working effect of the motor and prolonging the service life of the motor.

The invention relates to an aerogenerator having cooling and slip ring dustproof functions. The aerogenerator comprises a superhot column, a main body, a wheel hub and three fan blades. The interior of the main body is equipped with an electricity-generating mechanism, a heat radiation mechanism and an air extraction mechanism. The electricity-generating mechanism comprises a rotary shaft, a sliding ring and an aerogenerator housing. The heat radiation mechanism comprises an air outlet pipe, an air outlet pipe and multiple heat absorption units. The heat absorption units comprise heat absorption boards, heat absorption pipes and multiple fixing assemblies. The air extraction mechanism comprises a driving unit and an air inlet unit. The air inlet unit comprises a dust-proof cover, a ventilating pipe and an exhaust pipe. By the heat radiation mechanism, a great quantity of heat caused by friction during operation of the aerogenerator is dispersed to the air, thereby avoiding demagnetization of a permanent magnet in the aerogenerator in case of high temperature. Furthermore, through the air extraction mechanism, the aerogenerator can prevent dust and steam from being mixed into the sliding ring. Accordingly, changes in a mechanical property of the sliding ring are avoided.

A bank card with the sound production function comprises a bank card body and a remote control unit. A control unit, a sound production unit and an ultrathin cell are arranged inside the bank card body. The ultrathin cell supplies power to the control unit and the sound production unit in a circuit connection mode. A voice chip is arranged in the sound production unit, different bank cards are provided with voice chips with different prompt tones, for example, if the bank card is a construction bank card, the prompt tone of the voice chip can be set as 'the construction bank card is here', and voice prompts of other band cards can be set in this way. A main switch, a wireless emission device and sound production buttons are arranged on the remote control unit. Each sound production button corresponds to one bank card. The bank card has the advantages that when people forget the position where they put the bank card and can not find the bank card, the bank card can produce sound through the remote control unit, the repeatedly played prompt tones with gradually increased volume can help people to rapidly find the required bank card, and maloperation can be avoided through the main switch of the remote control unit.

The invention discloses bilateral controlled hollow glass built-in window-shades capable of preventing venetian blinds from sliding down, and belongs to the technical field of sunshading hollow glassproducts. The window-shades comprise a window body, an inner frame body, blind piece overturning pulling rope inner and outer control mechanisms, venetian blind lifting pulling rope inner and outer control mechanisms, blind piece overturning performing mechanisms, the venetian blinds, a blind piece overturning pulling rope tensioning mechanism and blind piece overturning pulling ropes. The windowbody comprises upper and lower transverse frame tubes, left and right longitudinal frame tubes and inner and outer glass; the inner frame body comprises an upper transverse frame strip and left and right longitudinal frame strips; the blind piece overturning pulling rope tensioning mechanism is arranged on a lower left corner inserting block; and the blind piece overturning pulling ropes are fixedto the blind piece overturning pulling rope inner control mechanisms. The bilateral controlled hollow glass built-in window-shades is characterized by further comprising an opposite absorbing mechanism used for keeping venetian blind lifting pulling rope inner control mechanisms at the position which enable the venetian blinds to be under an upward lifting condition, and the opposite absorbing mechanism is arranged between the lower part of the right longitudinal frame tube and the venetian blind lifting pulling rope inner control mechanisms. The condition that the venetian blinds abnormallyslide downward due to the fact that the venetian blind lifting pulling rope inner control mechanisms abnormally move upward cannot occur.

The invention discloses a safety card bag. The safety card bag comprises an outer bag, a clamping groove, an anti-magnetic plate, a rivet, a chip and a buckle, wherein the clamping groove is formed in the outer bag; the anti-magnetic plate is arranged on the bottom surface of the clamping groove; the rivet is arranged at the corner of the bottom of the outer bag and penetrates through the clamping groove; and the chip is arranged on the outer bag and the buckle is arranged in the middle of the outer bag. The safety card bag is simple in structure and has the functions of resisting theft and preventing a card from demagnetization.

The invention provides a magnetic conductive block, an electromagnetic suction platform having the same and a milling machine. The magnetic conductive block comprises a first surface and a second surface, wherein the first surface comprises a magnetic pole part and a notch part which are connected to each other; the magnetic pole part is used for connecting a magnetic pole of the electromagnetic suction platform; the second surface is used for supporting a workpiece; and the width of the second surface is more than the width of the magnetic pole. In the magnetic conductive block, the electromagnetic suction platform having the same and the milling machine provided by the invention, and the width of the magnetic conductive block is increased and the notch part is arranged, thereby avoiding demagnetization. The problems of the prior art of insufficient workpiece supporting, low processing quality, low efficiency and high cost of a tool are solved; a clamping force for the workpiece is increased; the service life of the tool is prolonged; and the processing efficiency is promoted.

The invention provides a straight-line compressor. The straight-line compressor comprises a shell, a mover and resonance springs, wherein the mover and the resonance springs are arranged in the shell.Stators are correspondingly arranged at the two ends of the shell. A coil is arranged on each stator. A cylinder is arranged on each stator. Pistons corresponding to the cylinders are arranged on themover. The pistons are slidably arranged in the corresponding cylinders. Permanent magnets corresponding to the stators are arranged on the mover. The resonance springs are arranged between the moverand the corresponding stators. By the adoption of the straight-line compressor, the whole structure of the straight-line compressor is simplified, quick assembly is facilitated, and the motor efficiency of the straight-line compressor is improved.

The invention discloses a manufacturing method of a small-size sintered NdFeB multi-pole magnetic ring, and belongs to the technical field of permanent magnet material preparation. According to the method, a pneumatic pressing device is adopted for pressing and forming sintered neodymium-iron-boron powder, then a pressed blank is taken out and subjected to isostatic pressing treatment, high-temperature sintering, tempering treatment and trepanning and grinding treatment, and the sintered NdFeB multi-pole magnetic ring is obtained. The pneumatic pressing device comprises an orientation mechanism and a pressing die, the orientation mechanism is composed of an even number of sintered NdFeB magnetic shoes which are evenly distributed in the circumferential direction at intervals, a die installation cavity is formed among the sintered NdFeB magnetic shoes in a surrounding mode, and the pressing die is correspondingly installed in the die installation cavity. By the adoption of the technicalscheme, the small-size sintered NdFeB multi-pole magnetic ring can be effectively manufactured, the manufacturing process is convenient, the equipment investment cost is low, the manufactured multi-pole magnetic ring is good in magnetic performance, and meanwhile the pressing percent of pass and the overall efficiency of the multi-pole magnetic ring are improved.

The invention relates to a warming moxibustion bar for activating collaterals by fragrant magnetic therapy, which comprises a warming moxibustion head component, a connecting component and a swath clamp component, wherein the swath clamp component comprises an inner tube, a threaded connector, an outer tube and a push rod assembly, wherein a groove is arranged along the longitudinal direction of one side of the wall of the inner tube, and a positioning hole is arranged along the longitudinal direction of the other side; one end of the threaded connector is used for connecting with the connecting component; a groove corresponding to the groove of the inner tube is arranged along the longitudinal direction of the wall of the outer tube, the upper end of the outer tube is connected with the other end of the threaded connector, and a thread cap is arranged at the lower end of the outer tube; and the push rod assembly is used for pushing the swath placed in the inner tube along the grooves arranged on the inner tube and the outer tube to adjust the position of the swath in the warming moxibustion head component, and the push rod assembly is positioned through the positioning hole.

The invention relates to the field of intelligent wearing devices, in particular to an intelligent wearing accessory with an NFC payment function and a use method of the intelligent wearing accessory. The intelligent wearing accessory comprises an accessory body, an opening formed in the back face of the accessory body, a cover piece covering the opening, and an NFC payment chip arranged in the opening. The NFC payment chip and the accessory body are attached through glue. The intelligent wearing accessory further comprises a collecting assembly for collecting payment information, an input assembly for inputting user account information, and a display assembly for displaying payment information. The NFC payment chip comprises an information collecting module for collecting payment information of a transaction terminal, an account input module for inputting user account information, a display module for displaying payment information, an NFC module for transmitting the user account information to the transaction terminal, and a control module for judging the payment information, the user account information and a password. The intelligent wearing accessory is convenient to use, convenient to carry, long in service life, attractive in appearance and high in safety coefficient.

The invention relates to the technical field of access control cards, and particularly relates to an access control card. The access control card comprises an access control card body, a protective shell, a clamping mechanism, a limiting structure, an elastic rubber cap, a limiting rod, a second limiting block and a second reset spring. The limiting rod is arranged at one end of the elastic rubbercap, the limiting rod is in sliding connection with the protective shell, the second limiting block is in sliding connection with the access control card body, one end of the second reset spring is fixed to the access control card body, and the other end of the second reset spring is fixed to the second limiting block. The elastic rubber cap is pressed conveniently, the elastic rubber cap pushesthe limiting rod to slide relative to the protective shell, the limiting rod abuts against the second limiting block, the second limiting block compresses the second reset spring, the limiting block is separated from the protective shell, the access control card body can slide relative to the protective shell, the access control card body can be taken out conveniently, the access control card is magnetic-insulated through the design of the protective shell, and the situation that the access control card body is demagnetized by other equipment is effectively prevented.

The invention discloses an intelligent wearing jewelry production method, which comprises: (1) printing a 3D initial wax model; (2) placing the initial wax model into gypsum, heating, melting the initial wax model, and forming a cavity in the gypsum; (3) filling the cavity with copper water, and dissolving the gypsum to obtain a copper model; (4) spreading a raw silica gel on the bottom portion ofa mold frame, placing the copper mold in the mold frame, covering with the raw silica gel, and carrying out molding pressing to form a silica gel model; (5) producing a large number of the silica gelmodels, and producing a large number of reference wax models; (6) spraying with a fireproof slurry to form a fireproof slurry shell on the surface; (7) placing into a high temperature furnace, melting the reference wax model, filling the fireproof slurry shell with a metal liquid to form a jewelry billet, burnishing, and polishing to form a jewelry base material with a cavity; and (8) placing a NFC chip in the cavity, adhering an anti-metal material sheet, and sealing the cavity by using a resin material sheet so as to obtain the intelligent wearing jewelry. The invention further discloses the intelligent wearing jewelry.

The invention discloses an anti-radiation and anti-demagnetization multi-functional mobile phone bag which comprises a bag body (1) and an opening (2) provided on the bag body(1). The mobile phone bag is characterized in that the bag body (1) comprises a shield sheet (3) and an opening sheet (4) between which an interlayer (5) is provided; the opening (2) is provided with a flexible cover (6); and the shield sheet (3), the interlayer (5) and the flexible cover (6) are all made of mixed cloth having a copper-nickel metal ion content of 92%. The invention has the advantages of simple structure, low cost and easy manufacture, moreover the invention can effectively prevent human bodies from mobile phone radiation to avoid undesirable effects.

The invention discloses a multi-pole magnetic shoe assembling system. Aiming at the problem that upper and lower magnetic shoes are easy to collide greatly in the stacking process, the multi-pole magnetic shoe assembling system comprises a box body, and heightening blocks are fixedly connected to the positions, close to the two sides, of the center of the inner wall of the bottom of the box body; a first limiting plate and a second limiting plate are arranged on the two sides of the heightening blocks correspondingly, a U-shaped opening is formed in the position, close to the middle, of the outer side of the box body, motors are fixedly connected to the positions, close to the lower end of the U-shaped opening, of the outer walls of the two sides of the box body correspondingly, and conveying mechanisms are arranged at the output ends of the motors; and rectangular clamping grooves are formed in the positions, close to the two sides, of the outer wall of the front face of the box body and used for limiting the position of the conveying mechanism. The system is used for stacking and assembling magnetic tiles, is better in anti-collision performance than traditional magnetic tile stacking, avoids the influence of the front magnetic tiles and the rear magnetic tiles, and also avoids the situation that the moving magnetic tiles greatly collide with the magnetic tiles which are placed in a standing mode in the transportation process, so collision damage, demagnetization and the like are avoided.

The invention discloses a low-voltage dual-mechanism dual-power high-speed switch switching device, which comprises a shell, two insulating mounting cylinders fixedly mounted at the top of the shell and switching switch mechanisms fixedly mounted in the shell and the insulating mounting cylinders respectively, and relates to the technical field of power switching equipment. According to the low-voltage dual-mechanism dual-power high-speed switch switching device, all-around anti-interference design can be carried out on the shell and the insulating sleeve of the switching device, so that the switching device can protect internal interference and external environment electromagnetic interference at the same time in the whole switching process; electromagnetic protection structures are respectively designed and installed on an external protection shell part of the switch device, and meanwhile, an electromagnetic anti-interference structure is also designed outside double arc extinguishing chambers, so that electromagnetic isolation of double power supplies is realized, the safety of the switch is greatly improved, and meanwhile, the whole switch device has very good heat insulation and anti-collision effects by designing a heat insulation and anti-collision mechanism.