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 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 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 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 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 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 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.