30results about How to "Affect electrical performance" patented technology

The invention provides a radio frequency coaxial electric coupler with a quick-locking device. The quick-locking device comprises a plug quick-locking device and a socket quick-locking device. The back of an elastic jack catch (16) of the plug quick-licking device is fixed on the plug outer conductor (11). The front portion of the elastic jack catch (16) extends with a snap joint (161). A cone face of the snap joint (1611) is arranged on the front lateral surface of the snap joint (161). The cone face of the snap joint (1611) of the elastic jack catch (16) enables the snap joint (161) to contract inward along the radial direction under the effect of the external force. The periphery of the elastic jack catch (16) is provided with a columnar-shaped unlocking sleeve (15). The plug quick-locking device refers to that a block groove (222) is formed on the front end of an outer conductor (22) of the plug along the axial direction. A catching groove (223) is formed radially outward on the wall of the block groove (222). The quick-locking device of the electric coupler has the advantages of being simple in structure, quick in product assembling, and saving the production cost of the quick-locking device.

The invention relates to the technical field of radio frequency identification and provides an electronic tag inlay, a processing method of the electronic tag inlay and an electronic tag. The electronic tag inlay comprises a dielectric slab, a chip, an antenna, a protective material and a protective sheath, wherein a bonding pad is arranged on the dielectric slab, the chip and the antenna are respectively connected with the dielectric slab to achieve electrical breakover of the chip and the antenna, the protective material is packaged in the dielectric slab and the chip, connected to the outside of the antenna on the dielectric slab and used for sealing the chip, the dielectric slab and a connecting position of the chip and the antenna and bearing external force impact, and the protective sheath is located outside the protective material, wraps the dielectric slab, the chip, the antenna and the protective material and is used for preventing an outside environment from interfering the chip, the dielectric slab and the connecting position of the chip and the antenna and enhancing the structural strength of the electronic tag inlay. The electronic tag inlay is reliable in structure, high in strength and capable of being bent or stretched.

The invention discloses a welding system of a metal piece and a coaxial cable. The welding system comprises a heating device which is arranged at a processing station and is in contact with the metal piece or the coaxial cable to carry out heating, a solder feeding device which is arranged adjacent to the heating device and is used for adding brazing filler metal at a connecting part of the metal piece and the coaxial cable and a moving and positioning device which is used for separately clamping and transferring the metal piece and the coaxial cable to the processing station. The invention also discloses a welding method of the metal piece and the coaxial cable. The welding method comprises the following steps: preparing the metal piece and the coaxial cable, and transferring the metal piece and the coaxial cable to the processing station; adding the brazing filler metal at the connecting part of the metal piece and the coaxial cable at the processing station, and carrying out contact heating on the metal piece or the coaxial cable to realize welding; and transferring the welded metal piece from the processing station. According to the welding system and the welding method, the brazing reliability and conduction ratio of the metal piece and the coaxial cable can be well solved, the production efficiency can also be improved, and the production cost is lowered.

The invention relates to a lamp and a heat dissipation mechanism thereof. The heat dissipation mechanism is used for dissipating heat generated by lamp beads and comprises a substrate, heat dissipation pieces, connecting columns and insulating blocks; the substrate is composed of a substrate body and thermal conductive layers; the thermal conductive layers are arranged on the outer wall of the substrate body, and the lamp beads are arranged on the thermal conductive layers respectively; each connecting column has the thermal conductivity and is arranged between the substrate body and the corresponding heat dissipation piece; and each insulating block has the thermal conductivity and is arranged between the substrate body and the corresponding heat dissipation piece to enable insulation to exist between each thermal conductive layer and the corresponding heat dissipation piece. According to the lamp and the heat dissipation mechanism thereof, heat generated by the lamp beads sequentially passes through the thermal conductive layers, the connecting columns, the insulating blocks and the heat dissipation pieces, or the heat generated by the lamp beads sequentially passes through the thermal conductive layers, the connecting column, the insulating blocks, the connecting column and the heat dissipation pieces, so that the problem of lower thermal conduction efficiency of a car lamp is solved, and the service life of the car lamp can be prolonged.

The invention discloses a sealing joint for transfer between a cable and a signal cable, which comprises a stress tube, a coaxial cable joint, a waterproof system, and an electrode, wherein cross sections at two ends of the stress tube are smaller than the cross section in the middle part; a first protection layer is arranged around the stress tube; the coaxial cable joint is arranged at the outer side of the first protection layer and located at one end of the stress tube; the coaxial cable joint and the stress tube are connected via the electrode; and the waterproof system sleeves the stress tube and the coaxial cable joint. The invention also discloses a sealing joint manufacturing method. in order to solve defects that in the condition of force pulling in the prior art, intrusion of a foreign body happens due to looseness, an arcing phenomenon thus happens between cables in the stress tube, and electric energy transmission is influenced, a new connection structure is designed, separation between the cable and the sealing joint under the pulling force can be effectively avoided, the arcing phenomenon due to immersion of conductive liquid can be prevented from happening, and safety accidents can be prevented from happening.

The invention belongs to the technical field of enameled wires, and particularly relates to a high-temperature-resistant hot-melting self-adhesion enameled wire. The enameled wire comprises a wire core, a bottom coating and a surface layer. The surface of the wire core is coated with the bottom coating; the surface layer is coated on the surface of the bottom coating layer; mica powder is mixed in the bottom coating, and the mica powder is made of sericite; the particle size of the mica powder is 600 to 700 meshes; the volume fraction of the mica powder in the bottom coating is 8-12%; the prepared enameled wire is good in heat resistance, the coating is not prone to damage, and meanwhile the enameled wire is high in strength and not prone to breakage.

The invention discloses a fire prevention and control device for a V2G direct-current charging pile. The fire prevention and control device for the V2G direct-current charging pile comprises a case arranged in the V2G direct-current charging pile, wherein a temperature sensor used for detecting real-time temperature information, a smoke sensor unit used for detecting real-time smoke concentrationinformation, a camera unit used for shooting real-time fire information, and a fire extinguishing unit used for releasing a fire extinguishing agent and containing the fire extinguishing agent are arranged on the case; a fire extinguishing agent recovery unit used for sucking the fire extinguishing agent is arranged in the case; and the temperature sensor, the smoke sensor unit, the camera unit, the fire extinguishing unit and the fire extinguishing agent recovery unit are all electrically connected with a signal control panel in a pile body of the V2G direct-current charging pile. The invention aims to provide the fire prevention and control device for the V2G direct-current charging pile which can be installed in the V2G direct-current charging pile, three fire prevention detection methods are provided, information interaction with the V2G direct-current charging pile can be carried out, and when a fire occurs, the fire can be eliminated.

The invention provides a flat-touch screen. The flat-touch screen comprises a flexible circuit board 5, a glass substrate 1, a lower-layer optical adhesive layer 2, a lower-layer conducting layer 3, a double faced adhesive tape 4, an upper-layer conducting layer 6, an upper-layer optical adhesive layer 7 and a cover plate 8, wherein the glass substrate 1, the lower-layer optical adhesive layer 2, the lower-layer conducting layer 3, the double faced adhesive tape 4, the upper-layer conducting layer 6, the upper-layer optical adhesive layer 7 and the cover plate 8 are sequentially arranged in a stacked mode. The flexible circuit board 5 is electrically connected with the lower-layer conducting layer 3 and the upper-layer conducting layer 6 respectively and is arranged between the lower-layer conducting layer 3 and the upper-layer conducting layer 6. An electronic coating 9 is arranged between the upper-layer optical adhesive layer 7 and the cover plate 8 and used for isolating the upper-layer optical adhesive layer 7 from the cover plate 8, so that when the flexible circuit board 5 is connected with the lower-layer conducting layer 3 and the upper-layer conducting layer 6, the upper-layer optical adhesive layer 7 is only subjected to the tensile force of the upper-layer conducting layer 6, the phenomenon that air bubbles are produced due to excessive tensile force deformation between the upper-layer conducting layer 6 and the upper-layer optical adhesive layer 7 is avoided, and the electrical performance of the flat-touch screen is prevented from being influenced due to frequent pressing conducted on the flexible circuit board 5.

The invention relates to a treatment agent for metal after plating, in particular to a gold plating and silver plating anti-discoloration protective agent, and a preparation method and using method thereof. The gold plating and silver plating anti-discoloration protective agent includes a benzimidazole compound, a xanthate compound, an oil-in-water dispersant, mercaptan modified aromatic guanidinesalt, a polymer and a suspension agent. The preparation method of the gold plating and silver plating anti-discoloration protective agent comprises the steps that at the constant temperature of waterbath heating, the benzimidazole compound and the xanthate compound are placed in the oil-in-water dispersant, the polymer and the suspension agent are added, and then the mercaptan modified aromaticguanidine salt is added. The using method of the gold plating and silver plating anti-discoloration protective agent comprises the steps that the anti-discoloration protective agent is dissolved in water, and a plated workpiece is immersed into the water. The anti-discoloration protective agent has the advantages that antioxidant and anti-vulcanization properties are outstanding; technological operation is easy, abrasion resistance is high, and the welding property of the workpiece is not affected; and the workpiece is easy to clean, the anti-discoloration protective agent has no harm to the environment, and the electrical properties of the platings are basically not affected.

The invention belongs to the technical field of injection molds, and particularly discloses an injection molding method for preventing large-area metal part rubber coating deformation, an injection mold and a large-area metal part rubber coating product. The injection molding method comprises the following steps of, 1, determining a stress area of a metal part; 2, putting the metal part into a cavity of the injection mold; 3, carrying out die assembly; 4, controlling supporting columns of the injection mold to move, so that the supporting columns extend into the cavity and abuts against the reverse side of the stress area of the metal part; 5, injecting molten plastic into the cavity; 6, carrying out injection molding pressure maintaining, meanwhile, withdrawing the supporting columns, forming supporting vacant positions by the supporting columns on the metal part, and filling supporting vacant positions with molten plastic under the action of injection molding pressure maintaining; and 7, carrying cooling and mold opening, and taking out a molded rubber-coated product. By supporting the reverse side of the stress area of the metal part in the mold, the defects of injection molding deformation and non-uniform rubber coating thickness of the metal part are prevented.

The invention discloses a coaxial load with a radial radiating structure. The coaxial load comprises a connector and a radial radiator in threaded connection with the connector, wherein the connector is formed by an inner conductor, an insulating medium and an outer conductor which are coaxially arranged from inside to outside; the tail of the outer conductor is in threaded connection with the inner hole of the end face of the radial radiator; an absorbing resistor is fixedly connected in the cavity of the tail of the outer conductor; and the absorbing resistor is fixedly welded together with a welding platform at the tail of the inner conductor. The coaxial load can realize rapid processing, has a concise structure, is simple and reliable in connection, has good price comparability and superior and more stable electrical property and is suitable for mass production.

The invention discloses a plastic-encapsulated branch device which comprises a locking nut. A shuttle-shaped spring chuck is arranged in the locking nut. The spring chuck and the locking nut are locked through a tapered sleeve. The tapered sleeve is connected with a branch cable through a straight terminal. A first filling plastic layer wraps outside the locking nut. The first filling plastic layer is internally provided with a Z-shaped terminal. One end of the Z-shaped terminal is coaxial with the locking nut, and the other end is connected with the branch cable. The first filling plastic layer is wrapped by a second filling plastic layer. One end of the first filling plastic layer and one end of the second filling plastic layer are fixedly connected with a flange plate and a cable gland.The assembling process comprises steps S1-S9. The device is fixed on the customer's mechanism through the flange plate between the client sides so that the construction is convenient and use is convenient for the customer; the forming process completely fills the gaps of the parts, and the electrical performance is better under the same volume; and the clamping process is adopted to realize the power extraction of the shielding layer, and the production process is simple and reliable.