330results about How to "Play a shielding role" patented technology

The invention relates to a touch screen liquid crystal display module and a touch drive method thereof. According to a working mode of the touch screen liquid crystal display module, a public electrode layer is subjected to time sharing multiplexing. The touch drive method comprises the steps of: dividing each frame into a display mode and a touch mode; when in the display mode, providing a display signal for the public electrode layer; and when in the touch mode, providing a touch signal for the public electrode layer. Compared with the prior art, the invention not only reduces the influence of the electric noise of a liquid crystal display array to a touch working layer, but also omits a shielding layer, and further decreases the thickness of a panel of the touch screen liquid crystal display module by forming an integration structure.

The invention provides an array substrate, a fabricating method for the same and a liquid crystal display panel. The array substrate comprises a display area and a frame area enclosing the display area, and the display area comprises a plurality of data lines and a plurality of scanning lines, a plurality of pixel areas in array arrangement and a plurality of scanning connection lines, wherein the data lines and the scanning lines are orthogonal and insulated to one another and divide the display area into the pixel areas, each pixel area comprises a pixel electrode and a thin film transistor, the scanning connection lines are parallel to the data lines and used for electrically connecting the corresponding scanning lines with external driving chips. The scanning connection lines are arranged in the display area, and the scanning connection lines are used for transmitting signals by scanning a drive circuit to the corresponding scanning lines, so that the area of the scanning connection lines in a frame area is economized, and the utilization ratio of the substrate is improved.

The invention discloses a flexible display panel, a display device and a flexible display panel manufacturing method. The flexible display panel comprises a flexible substrate, a conductive layer in a display area of the flexible substrate, multiple lines in an edge bending area of the flexible substrate, and an organic insulating layer between the conductive layer and the multiple lines on one hand and the flexible substrate on the other hand. The flexible display panel further comprises a first organic insulating layer at least arranged between the multiple lines in the edge bending area of the flexible substrate and the organic insulating layer. The first organic insulating layer is made of cured photoresist. As the first organic insulating layer made of cured photoresist can prevent cracks produced by the inorganic insulating layer from spreading to the multiple lines, the phenomenon of display failure is avoided. In specific implementation, the photoresist can be photoresist applied in the making process of the inorganic insulating layer. Therefore, two Mask processes are omitted, the production cost is saved, and the production efficiency is improved.

The invention discloses a flexible display panel, a display apparatus and a manufacturing method for the flexible display panel. The flexible display panel comprises a flexible substrate, a conductive layer which is arranged on a display region of the flexible substrate, a plurality of routing lines which are arranged on an edge bending region of the flexible substrate, and an inorganic insulating layer which is arranged among the conductive layer, the multiple routing lines and the flexible substrate; the conductive layer is electrically connected with the multiple routing lines; the flexible display panel also comprises a first organic insulating layer which is at least arranged in the edge bending region of the flexible substrate; and the first organic insulating layer is positioned between the multiple routing lines and the inorganic insulating layer. By virtue of the first organic insulating layer, expansion of cracks generated by the inorganic insulating layer to the multiple routing lines can be prevented, so that a phenomenon of display failure can be avoided; and in addition, compared with a technical scheme of adding two Mask processes in the prior art, the flexible display panel disclosed by the invention only needs to add one Mask process of manufacturing the first organic insulating layer, so that production cost is lowered while production efficiency is improved.

The invention provides a long-acting water-soluble and environmentally-friendly steel structural protective coating. The long-acting water-soluble and environmentally-friendly steel structural protective coating is characterized in that a water-soluble inorganic zinc silicate coating is used as a primer of the protective coating; a water-soluble silicon-acrylic coating is used as an intermediate coating; a water-soluble fluorocarbon coating serves as a top coating; the water-soluble inorganic zinc silicate coating comprises the raw materials of high-modulus potassium silicate inorganic nanometer resin and synthesized organic polymer emulsion, wherein the high-modulus potassium silicate inorganic nanometer resin has the modulus of 5.3 to 6.2, and the particle diameter is 5 to 20nm; the synthesized organic polymer emulsion is composed of one or a plurality of water-soluble styrene-acrylic emulsion, water-soluble pure acrylic emulsion, water-soluble silicone acrylic emulsion, water-soluble fluorocarbon emulsion and water-soluble fluoro-silicon emulsion; and the water-soluble silicon-acrylic coating comprises the raw material of a silicon-acrylic matrix, wherein the silicon-acrylic matrix is one of a mixture of silicone acrylic emulsion and pure acrylic emulsion, the mixture of silicone acrylic emulsion and styrene-acrylic emulsion, and silicone acrylic emulsion. By adopting the long-acting water-soluble and environmentally-friendly steel structural protective coating, the corrosion resistance and weather resistance of the protective coating are obviously improved; the corrosion resisting effect can last for 20 years; and the weather resistance lasts for more than 20 years.

The present invention relates to the field of display technology, in particular to a liquid crystal display panel and a display device, which are used to solve the problem in the prior art that the pixel structure corresponding to the improved FFS display mode generates light leakage in a dark state. By arranging a shielding electrode between the opposite substrate and the array substrate, and the orthographic projection of the shielding electrode on the array substrate at least covers the data line of the array substrate, and the voltage signal of the shielding electrode is the same as the voltage signal of the common electrode, so The shielding electrode can offset or shield the electric field generated by part of the pixel electrodes (and the common electrode) and the data lines, and shield the data lines, thereby effectively improving the light leakage problem.

The anti electromagnetic interference material is composed of several layers: the impedance matching layer is made of absorbing type sendust powder, manganese-zinc ferrite and resin; the absorbing layer is made of absorbing type sendust powder, nickel zinc ferrite and resin; the reflecting layer is made of reflection type sendust powder, iron powder and resin.

The invention relates to a magnetic levitation rotor wing system and a helicopter with the same and the field of aviation, in particular to the technical field of rotor wings. The magnetic levitation rotor wing system comprises a rotor wing ring (2) and a rail ring (1), wherein the rotor wing ring (2) is connected with a rotor wing propeller point, and the rail ring (1) provides magnetic suspension force for the rotor wing ring (2). Magnetic suspension force provided by the rail ring (1) includes a driving device capable of driving blades to rotate and a suspension device capable of enabling the propeller point to suspend. A first deflection driving mechanism is arranged on the root portions of the blades of the rotor wing so that first deflection angles of the root portions of the blades can be provided, and a second deflection driving mechanism is arranged on the rotor wing ring (2) so that second deflection angles of the points of the blades can be provided. According to the magnetic levitation rotor wing system and the helicopter with the same, only an outside rail ring is needed to drive the rotor wing ring, and the blades are connected by a central connecting component; and the requirement of independent variable pitch of the rotor wing is guaranteed, partial load of the blades is counteracted with one another through the central connecting component, integrality of the rotor wing ring is increased, and working reliability of improved.

The invention discloses a groove gate VDMOS device integrated with a Schottky diode and belongs to the technical field of semiconductor devices. According to the groove gate VDMOS device integrated with the Schottky diode, an additional structure composed of a piece of Schottky junction metal and a body electrode conductive material is additionally arranged on each of drift regions on the two sides of a groove gate structure of a conventional groove gate VDMOS device, the upper portion of each piece of Schottky junction metal is in contact with source electrode metal, the lower portion of each piece of Schottky junction metal is in contact with a corresponding body electrode conductive material, and the lower surface and the lateral sides of the each piece Schottky junction metal are in contact with a corresponding drift region to form a Schottky junction; dielectric layers are arranged between the lateral sides of each body electrode conductive material and a corresponding drift region and between the bottom surface of each body electrode conductive material and the corresponding drift region. Compared with a traditional groove gate VDMOS device with the same size, the groove gate VDMOS device integrated with the Schottky diode has the advantages that due to the fact that higher drift region dosage concentration is adopted under the condition of same puncture voltage, turn-on resistance is reduced obviously, and the reverse recovery property of the diode is improved obviously.

The invention discloses water-based metal antirust paint. The water-based metal antirust paint is prepared from, by mass, 35-45 parts of pigment, 8-15 parts of filler, 8-15 parts of corrosion inhibitors, 10-20 parts of deionized water, 15-25 parts of silicone acrylic emulsion, 0.1-0.2 part of a dispersing agent, 0.1-0.2 part of a flatting agent, 2-5 parts of an adhesive force promoting agent, 1-3 parts of film-forming aiding agent, 0.1-0.3 part of surfactant OP-10, 0.1-0.2 part of a defoaming agent and 0.05-0.1 part of bacteriacide. The invention further discloses a preparation method of the water-based metal antirust paint. The water-based metal antirust paint solves the problems that water-based metal antirust paint used in the current market is poor in corrosion resistance and adhesive force, slow in drying, poor in early-stage water resistance and high in cost.

The invention relates to an antiskid and ventilating epoxy floor coating, which comprises base material and powder material with weight mixture ratio of 1 portion of base material and 1-2 portions of powder material. The base material mainly comprises epoxy resin, epoxy hardener and addition agent with weight mixture ratio of 60 portions of epoxy resin, 25 portions of epoxy hardener and 15 portions of addition agent. The invention has the advantages of: 1. no formaldehyde and no VOC after curing; 2. excellent binding capacity with the base material without peeling and hollowing; 3. certain air permeability, thus being capable of avoiding phenomena such as bubbling, cracking, etc., resulted from vapor pressure; 4. high strength and excellent antiskid, wear resistant and impact resistant performances; 5. excellent corrosion resistance and water resistance; 6. certain flexibility and cracking prevention, thereby being capable of avoiding cracking to certain degree.

The invention relates to scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating and a preparation method thereof. The method comprises the following steps of: (1) mixing scaly zinc powder with initial film forming resin according to the weight ratio of components to obtain a component A; (2) mixing a hydrolyzing silicon solution with a modifier by stirring at intermediate speed according to the weight ratio of the components, adding a catalyst for hydrolyzing according to the weight ratio of the components and hydrolyzing to obtain a component B; and (3) mixing the component A and the component B which are prepared in the step (1) and the step (2) according to the component weight ratio of (1-1.5):1 to obtain the scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating. The invention has the advantage of preparing the scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating by mainly adopting domestic scaly zinc powder. Compared with traditional zinc rich primer, the invention can greatly reduce the zinc powder content and coating thickness; the traditional zinc rich primer generates large zinc fog in the coating welding process, and the scaly zinc powder primer generates less zinc fog, reduces damage to construction staffs and is a new generation product of the traditional inorganic and organic zinc rich primer.

A thermion-photoelectric-thermoelectricity combined type isotope cell comprises a radioactive source and an energy transition structure; two ends of the energy transition structure are respectively assembled with a cell anode and a cell cathode; the energy transition structure comprises an emission pole plate, a filling medium and a transparent charge collection plate arranged in sequence from inside-out and compactly stacked; the emission pole plate is arranged on the radioactive source side surface; the energy transition structure also comprises a first transparent insulation substrate, a photoelectric assembly, a second transparent insulation substrate and a thermoelectricity assembly arranged in sequence from inside-out and compactly stacked, wherein the first transparent insulation substrate is arranged on the transparent charge collection plate side surface; two ends of the photoelectric assembly are provided with a first electricity output electrode; two ends of the thermoelectricity assembly are provided with a second electricity output electrode; the energy transition structure side surface and cell anode and cathode on two ends are wrapped by a buffer pad; an inner package and an outer package heat radiation layers are arranged on the outer surface of the buffer pad. The thermion-photoelectric-thermoelectricity combined type isotope cell is high in energy conversion efficiency, large in output power, strong in environment applicability, good in work stability, and long in service life.

The invention discloses an isolation switch and a conductor thereof. The conductor of the isolation switch comprises a main conductor; the head of the main conductor is integratedly provided with an annular housing-shaped head part shielding structure for sleeving the outer circumference of a moving contact or a static contact; the head part shielding structure is coaxial with a main conductor; a rotating bus is a rotating body of a curve which is bent along an arc track from the head part of the main conductor; through the combination of the traditional isolation switch conductor and the shielding housing, the surface area is increased through the head part shielding structure, and the current conduction is realized; the head part shielding structure can perform shielding on the head part of the main conductor and uniformly isolates the power plant inside the switch; in the meantime, the integration design of head part shielding structure on the head part of the main conductor eliminates the bolt connection between the traditional conductor and the shielding housing, and reduces the kinds and amount of the parts inside the isolation switch. The compact structure design of the conductor enables the isolation switch to be simple and easy to disassemble.

A flat type wide frequency sensor for a power transmission project comprises a GIS casing 1, a cavity mask 24, a pole plate 3, an insulation film 2, a connector 5, a plug 11, a tray 15 and matched resistors 14, wherein the cavity mask 24 is arranged at the opening of the GIS casing 1, the pole plate 3 adheres to the cavity mask 24 with the in-between insulation film 2, the pole plate 3 is electrically connected with the masking type plug 11 through the insulated connector 5, the plug 11 is fixed on the cavity mask 24, the tray 15 which is fixed in the inner cavity of the cavity mask 24 is arranged between the connector 5 and the plug 11, the axle center of the plug 11 is positioned at the circular center of the tray 15, and a plurality of paralleled matched resistors 14 are evenly distributed along the circumference of the tray 15. The flat type wide frequency sensor is a practical quick steep-wave sensor integrating a capacitance sensor, the measurement system matched resistors, a signal masking protective function and an inserting piece for connecting a measurement cable. Furthermore, a plurality of paralleled matched resistors are evenly distributed in the sensor, thereby bringing about the little stray inductance of a measurement system, little wave form distortion and wide measurement frequency domain. The flat type wide frequency sensor is applicable to the VFTO measurement in the GIS or H-GIS.

The invention discloses a radio frequency LOMOS device for overcoming electricity leakage. A silicide barrier layer is arranged on a gate oxide layer, and a shielding ring barrier layer is arranged on the silicide barrier layer. A leading-out terminal adhesion layer is arranged on a drain electrode, and a drain electrode leading-out terminal is arranged on the leading-out terminal adhesion layer. A shielding ring adhesion layer is arranged on a shielding ring dielectric layer, and a metal Faraday shielding ring is arranged on the shielding ring adhesion layer. The leading-out terminal adhesion layer and the shielding ring adhesion layer are made of same polycrystalline silicon or titanium materials. The drain electrode leading-out terminal and the metal Faraday shielding ring are made of same metal or metal silicide materials. The invention further discloses a manufacturing method of the radio frequency LOMOS device. By means of the radio frequency LOMOS device and the manufacturing method, lesser electricity can be leaked, the shielding effect can be strengthened, and the product reliability is improved.

The invention relates to a polysiloxane, glycidol and quaternary ammonium salt-containing multifunctional gelatin leather finishing agent and a preparation method. The preparation method comprises the following steps: dissolving gelatin in water to prepare aqueous solution with mass concentration of 2-20 percent; adding epoxy quaternary ammonium salt into a first reaction flask under the conditions of temperature of 40-70 DEG C and pH of 6-12 to obtain solution 1; adding glycidol into a second reaction flask to obtain solution 2; adding a surfactant into a third reaction flask, and meanwhile adding Si-O-Si repetitive unit-containing epoxypolysiloxane in batches or continuously to obtain solution 3; mixing the solution 1, the solution 2 and the solution 3 in different proportions, weighing 15-20 g of the mixed solution to be placed in a mold of polytetrafluoroethylene, adding 5-10 mL of one or three or four of ethanol, tetrahydrofuran, acetone and methanol and drying in a normal pressure drying oven at the temperature of 40-80 DEG C to obtain the multifunctional gelatin leather finishing agent. The finishing agent has the characteristics of strong hydrophobicity, flexible film, antibacterial property, high heat stability, organic solvent resistance, wet scrubbing resistance and the like.

The embodiment of the present invention discloses a display panel and a manufacturing method thereof and a display device. The display panel is divided into a display area and a non-display area. Thedisplay panel comprises a substrate; a light emitting device layer which comprises a first electrode layer, a light emitting layer and a second electrode layer which are laminated in turn from the substrate; an array circuit layer which is arranged between the first electrode layer and the substrate, wherein the array circuit layer comprises a gate driving circuit which is arranged in the displayarea; and a shielding layer which is arranged between the array circuit layer and the first electrode layer. The gate driving circuit comprises a clock signal line. The shielding layer at least coversthe clock signal line of the gate driving circuit in a direction perpendicular to the substrate so that the luminance of the light emitting device overlapping with the clock signal line and the luminance of the light emitting device not overlapping with the clock signal line tend to be the same in the direction perpendicular to the substrate, thereby improving the display uniformity of the display panel and the display effect.

The invention discloses high-temperature-resistant flame-retardant powder paint and a production method thereof. The powder paint is produced from the following raw materials in parts by weight: 30-60parts of organic silicon resin, 30-60 parts of epoxy resin, 3.4-6.8 parts of modified dicyandiamide, 0.2-0.4 part of dimethylimidazole, 10-20 parts of silica powder, 10-20 parts of mica powder, 0.3-0.6 part of a sand textured agent, 30-60 parts of a flame retardant and 1.2-2.4 parts of carbon black. A film, which is formed after the produced powder paint is subjected to spraying and curing, has excellent high-temperature-resistant performance, fireproof performance and flame-retardant performance in the premise that the mechanical performance, including the levelling performance and the anti-impact performance, of the film is not affected; and according to the powder paint, the production method is simple, and industrial production can be conducted.

the invention discloses an environmental-protective water-proof putty of internal wall, which consists of base material and powder material, wherein the weight rate of base material and powder material is 1: 5-8; the base material contains 40-50% modified polyvinyl alcohol, 40-50% fiber solution and 5-10% water; the powder material concludes 15-30% white cement and 50-70% compound filler. the invention improves constructing efficiency, which saves paint and increases hiding power, fullness and leveling property.

The invention relates to a coated cloth and especially relates to a hydrophobic bacteriostasis multifunctional coated cloth and a processing method thereof. The hydrophobic bacteriostasis multifunctional coated cloth comprises a warp knitting fabric, a bacteriostasis coating on the surface of the warp knitting fabric, and a hydrophobic coating on the bacteriostasis coating. The bacteriostasis coating is prepared from 15-20 parts by weight of bamboo fibers, 0.5-2 parts by weight of Wasabia japonica extract, 0.5-2 parts by weight of white gourd kernel extract, 20-35 parts by weight of a polyvinylidene chloride emulsion and 35-45 parts by weight of an acrylate copolymer-paraffin composite emulsion. The hydrophobic coating is prepared from 100 parts by weight of PVC paste resin, 50-80 parts by weight of an eco-friendly plasticizer, 2-5 parts by weight of a stabilizing agent, 0-60 parts by weight of a filler, 0-20 parts by weight of a fire retardant, 0-5 parts by weight of a mildew inhibitor, 0-5 parts by weight of an anti-oxidant, 0-10 parts by weight of a binder and 0-70 parts by weight of hydrophobic nanometer fibers.

The invention provides a wind and rain energy TENG collecting device through synergism. The energy collecting device can be adapted to changes in the wind direction and has the waterproof function. Abaffle and an inclined surface have the shielding effect on a frictional nano generator collecting the wind energy, and interference of the rainwater on the friction nano generator is prevented. A wind vane structure of the friction nano generator collecting the wind energy plays a role in regulating the wind direction, when the wind direction changes, the structure can adjust the device directionfacing the wind in time to improve the utilization rate of the wind energy. The energy collecting device is advantaged in that the synergism can be achieved, the wind and rain energy simultaneous collecting effect is improved, the more severe the weather, the bigger the wind speed and the rain speed, and the synergism is more obvious.

The invention belongs to the technical field of osier dyeing, in particular to a dyeing method for improving color fastness to light of osier. The method specifically comprises the following steps of (1) osier pretreatment and (2) osier dyeing. The permeation of a coloring agent is effectively improved, the degree of aggregation of dye molecules is higher, crosslinking binding between the dye molecules and the ingredients of osier is prompted, the binding force is high, leachability resistance is good, the electronic cloud density of azo group hydrogen atoms is reduced, the shielding effect on azo groups is achieved, the photooxidation resistance stability of the azo groups in the structure of the dye molecules is improved, and finally, the color fastness to light of a dye is improved; and furthermore, osier is evenly dyed and has good color fastness to water, the difference between the color of the interior and the color of the exterior of osier is small, osier is evenly dyed without stains, and is bright and glossy, and the quality of the wickerwork made of osier is effectively improved.

The invention discloses a graphene modified steel structure water-based anti-corrosive paint and a preparation method thereof. The anti-corrosive paint is prepared from the components in percentage byweight: 10 to 20 percent of deionized water, 5 to 10 percent of graphene dispersion liquid, 30 to 40 percent of anionic acrylic emulsion, 5 to 13 percent of pigment, 20 to 30 percent of filler, 0.1 to 0.8 percent of wetting dispersant, 0.1 to 0.5 percent of defoaming agent, 0.2 to 0.5 percent of pH modifier, 0.3 to 0.6 percent of thickening agent, 0.2 to 0.5 percent of SiO2 hollow microspheres, 0.1 to 0.4 percent of RS preservative, and 2 to 5 percent of coalescing agents. The sum of the weight percent contents of the components in the graphene modified steel structure water-based anti-corrosive paint is 100 percent. Due to the interaction and the space effect among the graphene, the SiO2 hollow microspheres, the pigment and the filler, the defects of poor water fastness, weather fastnessand easiness of flash rust of a traditional water-based acrylic anti-corrosive paint are overcome, the hardness of a film is ensured on the basis of flexibility, and the paint has excellent storage and anti-corrosive performances.

The invention discloses the structure of a liquid crystal grating. The liquid crystal grating comprises an upper substrate, a lower substrate and liquid crystals, wherein a transparent conducting thin film is arranged on the upper substrate, lower strip-shaped grounding electrode layers are sequentially etched on the lower substrate, a first dielectric layer is deposited on lower grounding electrodes, addressing electrodes which are parallel to the lower grounding electrodes in a staggered mode are formed on the dielectric layer, a second dielectric layer is deposited on the addressing electrodes again, then upper strip-shaped grounding electrodes which are overlapped with the lower grounding electrodes are formed on the second deposited dielectric layer, and the liquid crystals are clamped between the upper substrate and the lower substrate. According to the liquid crystal grating, a transverse electric field between addressing electrodes in a traditional liquid crystal grating and grounding electrodes of an upper glass substrate is effectively restrained through the shielding effect of the upper grounding electrodes and the lower grounding electrodes on the lower glass substrate on an addressing electrode power line, and therefore the edge electric field extending to a non-addressing electrode area is restrained. The structure of the liquid crystal grating can be used for the design of liquid crystal grating with the high resolution and the large deflection angle.

The invention discloses a demagnetizing and deflective blow preventing device of a pipeline welding line. The device comprises a first carbon steel shielding plate and a second carbon steel shielding plate, wherein the first carbon steel shielding plate and the second carbon steel shielding plate are both semi-arc plates; the first carbon steel shielding plate is provided with a first welding port, and the second carbon steel shielding plate is provided with a second welding port; and the first carbon steel shielding plate and the second carbon steel shielding plate are connected through a shielding plate connecting device. The device has a shielding effect on a magnetic field around a pipeline welding joint to prevent deflective blow of welding arc under the influence of the magnetic field, thereby reducing the construction difficulty while pipeline welding and guaranteeing the welding quality.

The invention discloses a preparation method of a nanometer composite epoxy polysiloxane coating solidified at room temperature, and the method comprises the following steps: (1) preparing a component A; (2) preparing a component B; (3) weighing and proportioning; and (4) preparing the coating: mixing the component A and the component B in a certain proportion to obtain the coating. The inventionalso discloses a coating which is obtained by implementing the preparation method of the nanometer composite epoxy polysiloxane coating solidified at room temperature. The method provided by the invention has the advantages of simple manufacture technology, low cost and high efficiency. The coating provided by the invention can be cured into a film at constant temperature and is convenient to use, no heat sources are needed, the energy consumption is lowered, and the coating has better corrosion resistance and ultraviolet ray aging resistance; the service life is greatly prolonged; and the coating is especially suitable for the anticorrosion requirements of large industrial steel structures, such as offshore oil platforms, oil tanks, ship superstructures, bridges and the like.

The invention discloses an integrated shielded coil sensor for a magnetic induction imaging system, comprising a shielded circuit board I, a shielded circuit board II and a detecting coil circuit board, wherein the detecting coil circuit board is arranged between the shielded circuit board I and the shielded circuit board II, and the detecting coil circuit board, the shielded circuit board I and the shielded circuit board II are tightly jointed into a whole; the obverse surface and the reverse surface of the shielded circuit board I are respectively provided with a comb-like shielded wire, the comb-like shielded wires are connected together through a public connecting line, but not formed into a loop and are grounded through one point; and detecting coils are covered on the obverse surface and the reverse surface of a detecting board body of the detecting coil circuit board along an open pore. A three-layer pressed arrangement structure including a shielded board, the detecting board and the other shielded board is adopted in the integrated shielded coil sensor, all the shielded wires are grounded through a single point, and no loops are formed on the shielded boards, so that all wires on the shielded boards form a zero-level and equal-potential closed structure, and interference from an electric field capacity coupling signal in a magnetic induction imaging technology can be effectively shielded.

The invention discloses an ultra-wear-resistant flow coating UV coating material, a preparation method and applications thereof, wherein the ultra-wear-resistant flow coating UV coating material comprises, by weight, 40-60 parts of a nanometer hybrid modified UV resin A, 2-20 parts of a nanometer hybrid modified UV resin B, 3-5 parts of a photoinitiator, 1-5 parts of an active monomer, 0.5-5 partsof a functional auxiliary agent, and 30-40 parts of a solvent, wherein the nanometer hybrid modified UV resin A uses a nanometer hybrid fluorine-silicon modified acrylic resin with super wear resistance, and the nanometer hybrid modified UV resin B uses a nanometer hybrid fluorine-silicon modified acrylic resin with flexibility. According to the present invention, by using the nanometer hybrid modified UV resin A and the nanometer hybrid modified UV resin B as the main film forming substances, the obtained ultra-wear-resistant flow coating UV coating material has advantages of excellent hydrophobicity, excellent oleophobicity, stain resistance and smooth surface feeling property, and integrates good flexibility, superior abrasion resistance and superior scratch resistance.

The invention relates to an electric motor comprising a commutator and a corresponding commutator brush (32), a motor housing (1) that partly encloses the movable motor elements, and a brush rocker (5). Said electric motor is characterized by a sheet metal shield (21) for electromagnetically shielding the commutator and the commutator brushes (32). The sheet metal shield (21) is disposed further away from the motor than the brush rocker (5), separately and two-dimensionally covers substantially the entire brush rocker, and is connected in an electrically conductive manner to the motor housing.