68results about How to "Play the role of shielding" patented technology

The invention discloses an all-flexible capacitive tactile sensor. The all-flexible capacitive tactile sensor is characterized in that a flexible substrate is arranged, wherein a shielding layer is arranged on the lower surface of the flexible substrate, and a flexible conductive lower polar plate and flexible conductive upper polar plate electrodes surrounding the flexible conductive lower polar plate at intervals are arranged on the upper surface of the flexible substrate; an inverse concave elastic dielectric layer is arranged between the flexible conductive lower polar plate and the flexible conductive upper polar plate electrodes in a covering manner, an inverse concave flexible conductive upper polar plate is arranged on the periphery of the elastic dielectric layer in a covering manner, and an inverse concave flexible protective layer is arranged on the periphery of the flexible conductive upper polar plate in a covering manner. All structures of the all-flexible capacitive tactile sensor disclosed by the invention are flexible, and upper and lower polar plate leads are led to the same flexible substrate, so that the problems that leads are fussy, unattractive and unlikely to maintain when an array structure is designed are solved.

The invention provides a flexible printed circuit, a preparation method of the flexible printed circuit, and a capacitive touch display device. The flexible printed circuit comprises a flexible printed circuit substrate, a common electrode voltage filter circuit arranged on the flexible printed circuit substrate, and a filter unit, wherein the filter unit comprises a conductive layer arranged on the flexible printed circuit substrate and electrically connected with a common electrode voltage output end of the common electrode voltage filter circuit, an insulating layer laid on the conductive layer, and an earthed shielding film laid on the insulating layer and parallel to the conductive layer. The flexible printed circuit, the preparation method and the capacitive touch display device can reduce interference of a capacitive touch screen due to noise of common electrode voltage.

The invention provides a high-isolation integrated circuit packaged by adopting a ceramic casing. The integrated circuit comprises a tube shell and a chip, wherein the tube shell comprises a shell bottom, a shell and a cover plate; and the chip is arranged on the shell bottom. The integrated circuit is characterized in that the shell comprises a first dielectric layer, a first metal base layer, asecond dielectric layer, a second metal base layer, a third dielectric layer and a third metal base layer which are sequentially overlapped from top to bottom; the chip is connected with the second metal base layer through a bonding wire; and the first metal base layer is connected with the third metal base layer through a first through hole. According to the integrated circuit provided by the invention, the coupling effect of a signal channel can be effectively reduced; the leakage of a local oscillator is reduced; the chip feeding frequency can be reduced; and work efficiency and economic benefit are increased; and the integrated circuit has the advantages of high isolation, simple system structure and favorable application prospect.

The invention discloses a method for manufacturing a cable branch joint, belonging to the field of electrical engineering. The production method comprises the steps of stripping end parts of a main cable and a branch cable to be connected, sleeving an inner layer heat shrinkable tube, a copper woven net sleeve and an outer layer heat shrinkable tube in the main cable, using a copper tube to connect a wire core of the main cable and a wire core of the branch cable, orderly winding an insulation self-adhesive tape, a Teflon film, a cable filling tape and a sealing tape on the copper tube, moving the inner layer heat shrinkable tube, heating the inner layer heat shrinkable tube such that the inner layer heat shrinkable tube shrinks, moving the copper woven net sleeve, fastening the copper woven net sleeve, moving the outer layer heat shrinkable tube, and heating the outer layer heat shrinkable tube such that the outer layer heat shrinkable tube shrinks. Thus the connection part of the main cable and the branch cable is protected, the security is improved further, the manufacture is convenient, the size of the branch joint is small, the installation is convenient, the security is high, and the method is especially suitable for manufacturing branch joints of 1KV to 10KV high voltage cables.

The invention discloses a USB (universal serial bus) connector capable of being positively and negatively plugged. The USB connector comprises upper and low terminal sets arranged in upper and low rows, grounding components clamped between the upper and lower terminal sets, a front insulator integrally formed at the peripheries of the upper and lower terminal sets, a rear insulator integrally formed at the rear ends of the upper and lower terminal sets, and a metal housing surrounding the periphery of the front insulator, wherein the front insulator comprises a base part, and a butting tongue part formed by forwards extending the base part; conductive terminals of the upper and lower terminal sets, and the grounding components are integrally formed in the butting tongue part of the front insulator; the conductive terminals of the upper and lower terminal sets are exposed to upper and lower surfaces of the butting tongue part; the grounding component is clamped between the upper and lower insulated bases and used for forming the front insulator through injection-molding. According to the USB connector capable of being positively and negatively plugged, the product strength is guaranteed under the circumference that the size is small, and positive and negative plugging compatibility is good.

The invention discloses a liquid crystal display panel, a manufacturing method thereof and a liquid crystal display device. The liquid crystal display panel comprises a liquid crystal cell, a first absorption type polarizing layer, a reflection type polarizing layer and a reflecting layer, wherein the liquid crystal cell comprises a black matrix, the black matrix corresponds to a light shading area of the liquid crystal cell, and the light shading area surrounds multiple light transmitting areas of the liquid crystal cell; the first absorption type polarizing layer is arranged on the light outgoing side of the liquid crystal cell and covers the light transmitting areas and the light shading area; the reflection type polarizing layer is arranged on the light source incident side of the liquid crystal cell and covers the light transmitting areas and the light shading area; the reflecting layer is arranged on the light source incident side of the liquid crystal cell, and the size of the reflecting layer corresponds to that of the light shading area formed by the black matrix. According to the liquid crystal display panel, light emitted to the light shading area can be effectively utilized, so that light emitted by a backlight unit to the liquid crystal cell can be sufficiently utilized, light source waste is avoided, and the energy utilization rate and the brightness of the liquid crystal display device are increased.

The invention belongs to the technical field of electronic communications of radars, and particularly relates to a cloud measuring radar. The radar comprises a main frame body, a first antenna housing and a second antenna housing, wherein the main frame body comprises a bottom sectional-material frame and a skin; the first antenna housing and the second antenna housing both form sealing fit with the top end surface of the main frame body; a receiving antenna and a left sectional-material frame are held in a housing cavity of the first antenna housing; a monitoring component and a receiver are arranged on a horizontal transverse baffle plate at the left sectional-material frame; a signal processing component and a fan are arranged at the top end surface of the main frame body just under the horizontal transverse baffle plate; a transmitting antenna and a right sectional-material frame are held in a housing cavity of the second antenna housing; a transmitter is arranged on a horizontal supporting plate at the right sectional-material frame; a power supply component is arranged at the top end surface of the main frame body just under the horizontal supporting plate. The cloud measuring radar has the advantages of being concise and portable in structure, convenient and quick to maintain, short in making period and low in cost; the batch production can be realized.

The application provides a preparation method of X-ray and gamma-ray protective powder. Sheet structure of bismuth tungstate and graphene oxide in the X-ray and gamma-ray protective powder prepared according to the preparation method provide effective scattering for X-ray and gamma-ray; a multi-bandgap system formed of nano rare-earth oxide can provide multistage absorption for X-ray and gamma-ray; metallic elements can shield X-ray and gamma-ray; the synergy of the multiple effects provide great protection for X-ray and gamma-ray of different energy levels; in addition, the prepared X-ray andgamma-ray protective powder has zero lead and light weight and has a promising application prospect in X-ray and gamma-ray radiation protection.

The invention discloses a display panel and a display device, and relates to the technical field of display, the display panel comprises a first touch electrode and a second touch electrode arranged in a display area; first touch signal lines which are electrically connected with the first touch electrodes, second touch signal lines which are electrically connected with the second touch electrodes, and at least one first touch signal line and at least one second touch signal line are adjacent to each other in the non-display area; signal protection lines which are arranged in the non-display area and located between the first touch signal lines and the second touch signal lines which are adjacent to each other; the signal protection line comprises a first end part and a second end part, the first end part is connected with a first fixed level signal, and the second end part is a cut-off end; signal shielding lines which are located between the signal protection lines and the touch electrodes adjacent to the signal protection lines, the signal shielding lines are arranged in a floating mode, and the signal shielding lines and the second ends of the signal protection lines are overlapped in the direction that the signal shielding lines point to the signal protection lines. Therefore, the antistatic performance can be improved.

The invention discloses a preparation method of a sun protection cream and belongs to the technical field of skin care products. The sun protection cream is prepared from the following raw materials in a certain parts by weight: aloes, nano titanium dioxide, isopropyl palmitate, lanolin, olive oil, stearic acid, triethanolamine, phosphate polyoxyethylene octadecanol and deionized water. The nano titanium dioxide in the sun protection cream prepared by adopting the preparation method has the functions of shielding ultraviolet rays and reducing the damage of ultraviolet rays to skin, and the aloe has the functions of well repairing the skin damaged by ultraviolet rays. The sun protection cream can be smeared to the surface of skin to well prevent the skin from being damaged by ultraviolet rays and repair the damaged skin.

The invention discloses a method for manufacturing an enhanced flat cable for a wagon dumper, and the method is characterized by comprising the following steps: material selection, wire drawing, conductor twisting, winding and wrapping of an isolating layer, extrusion of the insulating layer, cabling of wiring harness, primary shield of wiring harness, secondary shield of wiring harness, extrusion of an outer sheath, performance detection and finished products. In the method, the conductor center of the cable is provided with a steel wire rope stiffener so as to improve the longitudinal stretching resistance of the cable; and a wire braid is used as a metal shielding layer, the primary shielding braid density is not less than 80%, and the secondary shielding braid density is not less than85%, thus not only improving shielding factors of a cable core but also providing effective physical and mechanical protective actions for the cable. The cable manufactured by the method has the advantages of good flexibleness, salt mist resistance, greasy dirt resistance and inflaming retarding property, no cracking and no deformation for long term use, and no core breaking at the movable operating mode speed of 1.2m / s.

The invention relates to a wind band ultrasonic power supply module characterized in that the module adopts a surface-slice type high fidelity digital sound integrated circuit technology, and the module is designed as a universal power supply module in such a way that all ultrasonic circuits are positioned in a metal box that acts as a radiator and has shielding effects. By changing interior circuit parameters that can be preset and a connection method between input and output interface circuits and an external part, a very wide frequency range (15 KHz-60 KHz) is covered and different impedance matching is realized. An aim that piezoelectric type ultrasonic transducers of different types and different working frequency can be matched in one ultrasonic power supply is realized. The independent ultrasonic power supply module, connected with an energy converter and a control panel through a circuit interface, is easy to disassemble and install. The ultrasonic power supply module can be used independently while equipped with a standard control panel. The ultrasonic power supply module can be installed on devices of users or on a production line, bringing convenience to users, and therefore multiple functions can be realized in one device.

The invention discloses an array substrate, a driving method thereof, a display panel, and a display device. The array substrate comprises a plurality of gate line groups and a pixel array. The pixelarray includes a plurality of pixel rows and a plurality of pixel columns, wherein each pixel row includes a plurality of pixels arranged in a first direction, and each pixel column includes a plurality of pixels arranged in a second direction, and the first direction and the second direction are intersected. Each gate line group includes two gate lines disposed adjacent to each other, wherein thegate lines extend in the first direction; and in the second direction, the gate line groups and the pixel rows are arranged alternately. The pixels include first pixels and second pixels, and the pixel rows and the gate line groups are disposed in a one-to-one corresponding manner, and the adjacent first and second pixels in the same pixel row are electrically connected with different gate linesin the same gate line group. The array substrate guarantees that the brightness of all pixels tends to be consistent, and improves display uniformity.

The invention provides a journal box built-in steering support framework, and relates to the technical field of power trucks of rail vehicles. The journal box built-in steering support framework comprises a cross transverse beam and side beams fixed to four corners of the transverse beam. A single air spring mounting seat is fixed in the middle of the transverse beam. A traction rod mounting cavity is formed in the single air spring mounting seat. A journal box built-in structure is adopted, so that the transverse beam of the framework becomes shorter, the rigidity of the framework is favorably increased, the self weight of the framework is favorably reduced, the dynamic performance is improved, the access to a small-radius curve rail is facilitated, the curve wheel track abrasion is reduced, and the curve passing performance is improved.

The invention discloses an electron beam radiation shield device based on continuous production. The electron beam radiation shield device comprises a control module and a conveying assembly used forconveying a workpiece. The conveying assembly comprises multiple conveying rollers which are arranged at intervals. A shielding cover is arranged on the outer side of the conveying assembly in a covering manner. A conveying channel is arranged in the shielding cover, and a feeding opening and a discharging opening are formed in the positions, at the two ends of the shielding cover, of the conveying channel. The conveying channel comprises a feeding area, a radiation machining area and a discharging area arranged in the conveying direction. An electron beam accelerator is arranged in the radiation machining area. Two shielding assemblies are arranged in each of the feeding area and the discharging area. Each shielding assembly comprises a shielding door used for blocking the conveying channel and a driver used for driving the shielding door to be opened or closed. The distance between the two shielding doors in the feeding area and the distance between the two shielding doors in the discharging area are larger than the length of the workpiece. Each shielding assembly further comprises a workpiece inductor, wherein the workpiece inductor and the corresponding driver are connected with a control module. By means of the electron beam radiation shield device, the shielding effect is ensured, and meanwhile the stability and production efficiency of a production line are improved.

The invention discloses a flexible fireproof power cable for rated voltage 0.6 / 1kV. The flexible fireproof power cable comprises conductors. The conductors are covered by an insulating layer and an extruded layer, the extruded layer is covered by an outer sheath which is a threaded copper pipe, and the insulating layer is formed by lapping of multiple layers of mica tapes. As the conductors are covered by the insulating layer which is lapped by the mica tapes and 0.8-2.0 mm in thickness, and then covered by the extruded layer made of ceramic silicon rubber, the conductors are subjected to fireproof protection by the mica tapes and the ceramic silicon rubber, and the fire resistance temperature can be 950-1000 DEG C. As the outer sheath is of the spirally tubular shape, fireproof, waterproof, acid and alkali resistant effects are achieved, while flexibility of the outer sheath is improved, and the flexibility of the overall cable is improved. Gaps among the conductors are filled by polypropylene ropes so that tensile strength of the cable is enhanced while a shielding effect is achieved.

The invention discloses a monitoring system with an alarm function for Internet information security, and relates to the technical field of the Internet information security. The monitoring system comprises an insulating shell and mounting boards, wherein a control mainboard is embedded in the insulating shell in a clamped mode. The mounting boards are arranged at the upper end and the lower end of the insulating shell, and the insulating shell is fixedly connected with the control mainboard through embedment. A display screen is mounted on the front surface of the control mainboard. The monitoring system has the beneficial effects that the monitoring system with the alarm function for the Internet information security is provided with a detachable memory and a non-removable memory, when the monitoring system is in a data transmission state, the monitoring system utilizes a magnetic field in a data reader to read the magnetic information of a card disposed in the monitoring system, digital information is obtained by encoding and sent to a central controller, the central controller records the transmission information in the detachable memory and the non-removable memory according to the degree of own internal setting during the transmission, and the transmission information is stored and backed up in time.

The invention relates to a preparation method of an acidic crosslinking agent applied to carboxymethyl guar gum. An acid technology is usually carried out in a hydraulic fracturing process, which causes secondary damage to a reservoir stratum. The preparation method comprises the following steps of: uniformly mixing 3 parts by weight of citric acid, 57-82 parts by weight of water and 10-20 parts by weight of micromolecular polyhydroxy compound and heating, after the temperature reaches 50 DEG C, slowly adding 5-20 parts by weight of zirconium oxychloride; and keeping the temperature to be 50-55 DEG C, reacting for 3-4 hours, cooling a product to reach room temperature to obtain the acidic crosslinking agent. The cidic crosslinking agent provided by the invention is suitable for an acidic system, and jelly formed by crosslinking is higher in temperature tolerance and is well in sand carrying property, and can be applied to an alkaline-sensitive stratum; a small quantity of citric acid is added in a synthesis process, so that the pH of the whole reaction system is kept constant, the operation step during production is simplified; and the consumption of the organic zirconium crosslinking agent is 0.8 percent, the concentration of a carboxymethyl guar gum water solution is 0.4 percent, and the quantity of residue after crosslinking gelout is 160mg / L.

The invention discloses a cable connection box, relating to the technical field of network equipment accessories. The connection box comprises a motherboard. Both the upper surface and the lower surface of the motherboard are provided with shell covers. One end of each of the shell covers is hinged with the motherboard. Eight connection columns go through the motherboard. The shell covers are divided into an upper shell cover and a lower shell cover. Both the upper shell cover and the lower shell cover are provided with threading holes. The cable connection box has the advantages that the continued connection of an original cable without enough length is realized through a cable joint, and the cable connection box has the characteristics of simple structure, convenient use, easy carrying and assembly, safety and dust prevention. The cable connection box can be disassembled and assembled repeatedly and used, the waste of the cable is greatly reduced, the working efficiency is raised, and the resource utilization rate is raised. A shielding effect can be achieved when the shell covers are metal, and the cable connection box is transparent and visual when the shell covers are plastic.

The invention provides a detachable voltage transformer. The detachable voltage transformer comprises a metal shell, an iron core, a primary winding and a secondary winding, multiple heat dispersing material rods and a molding material, the metal shell is used for accommodating the transformer and comprises a left half part and a right half part; the iron core is in a square shape and is placed in the center of the metal shell; the primary winding and the secondary winding twine the iron core corresponding to an inner layer and an outer layer respectively, and are mutually electrically insulated through an insulating material layer; the multiple heat dispersing material rods penetrate the insulating material layer, and are inserted in jack sockets respectively; the metal shell is filled with the molding material, and the iron core, the primary winding and the secondary winding, the heat dispersing material rods are covered by the molding material.

The invention discloses a digital slice scanner sample identification device, and relates to the digital slice scanner for solving the problem that a bar code scanner can normally read a bar code label through the light contact, and the samples cannot be read due to the shielding of the bar code since the samples are stored in the digital slice scanner or scanning samples are stacked. The device comprises a digital slice scanner, and scanning samples; a near-field communication NFC read-write module is arranged in the digital slice scanner, and a NFC label is arranged on each scanning sample.By using the NFC technology, the NFC label data in a large amount of scanning samples can be read within short time, a feedback indication can be provided, and the working efficiency is greatly improved. The invention further discloses a digital slice scanner sample identification method.

The invention discloses chemical additive-free sunscreen spray which is prepared from the following components in parts by weight: 5 to 10 parts of a green tea extract, 6 to 12 parts of an aloe extract, 10 to 12 parts of an aloe extracting solution, 5 to 9 parts of a China rose extracting solution, 3 to 5 parts of a sophora flower extracting solution, 3 to 7 parts of jojoba oil, 2 to 4 parts of rose oil, 3 to 5 parts of almond oil, 0.2 to 0.4 part of citric acid, 14 to 18 parts of wool fat, 2 to 3 parts of hyaluronic acid, 1 to 2 parts of salicylic acid, 0.2 to 0.4 part of vitamin B1, 0.3 to 0.5 part of vitamin E and 50 to 60 parts of deionized water. The chemical additive-free sunscreen spray can be quickly absorbed by the skin within several seconds, and can achieve an effect of shielding ultraviolet rays and reduce injury of the ultraviolet rays to the skin; aloe in the raw materials can well repair the skin injured by the ultraviolet rays. The raw materials are all essence and oilwhich are extracted from pure natural plants, so that the chemical additive-free sunscreen spray does not have any toxic or side effects; furthermore, the chemical additive-free sunscreen spray is easy to prepare, long in sunscreen time and convenient to use.

The invention discloses a lower-iron-yoke shielding structure of a transformer. The lower-iron-yoke shielding structure comprises an insulating cardboard, a leading-out wire, shielding wires and wrinkled carbon-black conductive paper, wherein the leading-out wire and the shielding wires are laid on and spliced to the insulating cardboard. The leading-out wire is connected with the shielding wires. The wrinkled carbon-black conductive paper is fixedly spliced with the insulating cardboard through a splicing structure arranged on the outer sides of the leading-out wire and the shielding wires. A manufacturing technology of the lower-iron-yoke shielding structure of the transformer includes the following steps: (1) copper strips are perpendicularly welded to one sides of copper braided wires respectively through tin soldering; (2) the copper strips and the copper braided wires which are well welded are spliced to the insulating cardboard, and the leading-out ends of the copper braided wires are arranged to extend out of the range of the insulating cardboard; (3) the copper strips and the copper braided wires are covered with the wrinkled carbon-black conductive paper, and the wrinkled carbon-black conductive paper is spliced with the insulating cardboard. According to the lower-iron-yoke shielding structure and the manufacturing technology, the leading-out wire and the shielding wires are respectively spliced with the insulating cardboard, and the insulating cardboard is spliced with the wrinkled carbon-black conductive paper, so that electrical connection between the parts is guaranteed, structure ductility is good, and reliability is high.

The invention relates to a combined control cable comprising a first conductor. A first insulating layer is arranged outside the first conductor; a first metal shielding layer is arranged outside the first insulating layer; and the first conductor, the first insulating layer, and the first metal shielding layer form a shielding wire core unit. A second metal shielding layer is arranged outside the shielding wire core unit; an inner sheath is arranged outside the second metal shielding layer; and non-shielding wire core units are arranged outside the inner sheath uniformly, wherein the adjacent non-shielding wire core units are close to each other tightly. The non-shielding wire core units include second conductors; second insulating layers are arranged outside the second conductors; and the non-shielding wire core units form a non-shielding wire core layer. According to the combined control cable, the shielded wire core and the non-shielding wire cores are combined into one cable structure, so that the structure becomes compact and the manufacturing cost is low.

The invention relates to a medium voltage flame-retardant frequency-conversion power cable which comprises three cable core wires arranged in parallel and identical in structure. Each cable core wire comprises a circular conductor. A shielding layer, an insulating layer and an insulating shielding layer are arranged outside the conductor in a three-layer co-extrusion manner. The insulating shielding layer is externally covered by an inner layer plastic-aluminum composite belt, an inner copper wire sparse-winding shielding layer, an inner copper-belt wrapping shielding layer and a phase-splitting inner isolating sleeve in sequence. Gaps among the three cable core wires are filled with flame-retardant PP filling ropes and then are externally provided with a cabling layer. The cabling layer is externally covered by an outer layer plastic-aluminum composite belt, an outer copper wire sparse-winding shielding layer and an outer copper-belt wrapping shielding layer in sequence, then an outer isolating sleeve is extruded outside, and aluminum alloy linkage armour serves as the outmost layer for covering. According to the invention, the interference of pulse voltages can be reduced to the lowest level, and the frequency-conversion power cable is enabled to effectively inhibiting the interference of electromagnetic wave.

The invention provides a special waterproof antibacterial adhesive for wooden products and a preparation method of the special waterproof antibacterial adhesive, and belongs to the technical field ofadhesive. The special waterproof antibacterial adhesive for wooden products is prepared from the following raw materials in parts by weight: 55 to 65 parts of glutinous rice flour, 20 to 28 parts of sweet potato starch, 10 to 15 parts of polyvinyl alcohol, 4 to 6 parts of an anti-corrosion agent, 2 to 3 parts of a waterproof agent, 2.7 to 3.5 parts of an antibacterial agent, 22 to 30 parts of a biological adhesive, and 360 to 380 parts of water. The special waterproof antibacterial adhesive is excellent in comprehensive performance, waterproof, corrosion-resistant, excellent in antibacterial effect and good in stability, and has a good inhibition effect on escherichia coli and staphylococcus aureus.

The invention discloses a sunscreen spray with whitening and moisturizing functions. The sunscreen spray is prepared from the following components in parts by weight: 15-25 parts of papaya extractingsolution, 8-10 parts of green tea extracting solution, 8-12 parts of aloe extracting solution, 10-20 parts of rose extracting solution, 3-5 parts of sophora flower extracting solution, 18-24 parts oforange peel juice, 5-7 parts of shea butter oil, 2-4 parts of hyaluronic acid, 0.2-0.4 part of citric acid, 1-3 parts of salicylic acid, 0.3-0.5 part of vitamin E, 0.5-0.7 part of vitamin C, 1-2 partsof essence, and 60-80 parts of deionized water. The sunscreen spray can be absorbed by the skin rapidly in a few seconds, and can block ultraviolet rays so as to reduce damage of ultraviolet rays tothe skin; all raw materials are essence and grease extracted from pure natural plants and have no toxic and side effects; the sunscreen spray is easy to prepare, can block sun for long time and is convenient to use.

The invention discloses an ultraviolet-resistant children's clothing fabric and a manufacturing method thereof. The fabric comprises a cotton cloth layer, wherein one side of the cotton cloth layer isprovided with a first ultraviolet-resistant layer, one side, away from the first ultraviolet-resistant layer, of the cotton cloth layer is provided with a second ultraviolet-resistant layer, one side, away from the cotton cloth layer, of the first ultraviolet-resistant layer is provided with a reflective layer, one side, away from the cotton cloth layer, of the second ultraviolet-resistant layeris provided with a graphene layer, one side, away from the second ultraviolet-resistant layer, of the graphene layer is provided with a skin-friendly layer, the skin-friendly layer and the graphene layer are connected by an adhesive layer, the reflective layer, the first ultraviolet-resistant layer, the cotton cloth layer, the second ultraviolet-resistant layer, and the graphene layer are connected by fiber filaments, one ends, close to the reflective layer, of the fiber filaments are fixedly connected with a base cloth layer. The beneficial effects are as follows: the fabric can not only reflect ultraviolet rays and shield ultraviolet rays, but also can absorb ultraviolet rays and resist penetration of ultraviolet rays, children are effectively protected, and the impact of ultraviolet rays on the children is reduced.

The invention provides a transformer with a heat dissipation component, comprising: a metal shell for accommodating the transformer and integrally formed; a heat dissipation material layer, which is closely attached to the inner wall of the metal shell; placed in the center of the metal shell; the primary winding and the secondary winding are wound on the iron core corresponding to the inner layer and the outer layer respectively, and are electrically isolated from each other by the insulating material layer; a plurality of heat dissipation material rods, all The plurality of heat-dissipating material rods pass through the insulating material layer, and both ends thereof are physically and thermally connected to the heat-dissipating material layer; the molding material is filled in the metal shell and completely covers the iron core, once Windings, secondary windings and rods of heat sink material.

The invention discloses a vertical laminated ultra-long magnetic shielding structure and a manufacturing process thereof. The magnetic shielding structure comprises a plurality of silicon steel sheetssuperposed together in a horizontal direction, wherein a single silicon steel sheet is arranged in a vertical direction, and a plurality of flat steel sheets are welded on the back surfaces of the plurality of silicon steel sheets at intervals; short guard frames are arranged at both ends of the plurality of silicon steel sheets, and long guard frames are arranged at both sides; the short guard frames and the long guard frames are wrapped on the plurality of silicon steel sheets in a circumferential direction to form a cuboid structure. The manufacturing process comprises the following steps:1) installing the long guard frames on a lamination tool, and then superposing the silicon steel sheets; 2) compressing after superposing the silicon steel sheets to the design requirement; 3) spot-welding the flat steel sheets according to the assembly position, and welding on the same surface of the magnetic shielding structure, and welding the short guard frames and the long guard frames respectively on the magnetic shielding structure in the circumferential direction at the same time. The vertical laminated ultra-long magnetic shielding structure and the manufacturing process thereof provided by the invention can effectively solve the problems of distortion and collapse of ultra-long sheets when superposed in the manufacturing of such magnetic shielding structure and the like.