39 results about "Metallic conduction" patented technology

An underwater diving light includes efficient cooling of LEDs and other internal electronics by heat transfer to ambient water. The water is in contact with a metallic face plate or puck that conducts heat via contiguous metal from an LED circuit board or LED face plate. Ambient water can enter the assembly to spaces between the face plate and an intermediary plate at the front of a housing to efficiently cool the LEDs and associated electronics. In a high-output form the light can emit 8000 lumens, and in this embodiment the battery is cooled by ambient water. The face plate or puck is interchangeable, for different lighting characteristics.

A diamond based electrochemical band sensor comprising: a diamond body; and a plurality of boron doped diamond band electrodes disposed within the diamond body, wherein at least a portion of each of the plurality of boron doped diamond band electrodes is doped with boron to a level suitable to achieve metallic conduction, the boron doped diamond electrodes being spaced apart by non-conductive intrinsic layers of diamond, wherein the diamond body comprises a front sensing surface with the plurality of boron doped diamond band electrodes being exposed at said sensing surface and extending in an elongate manner across said surface, and wherein each boron doped diamond electrode has a length/width ratio of at least 10 at the front sensing surface.

A modified material for use with a capacitive touch screen is described. The modified material comprises a material impregnated with a composition comprising either a non-metallic and/or a metallic conductive agent with a binder. A variety of materials are contemplated, including, but not limited to leather. Also described is an apparatus and method of providing a conductive glove is disclosed.

The invention discloses a magnetic electric wire tool, and belongs to the field of electrical auxiliary connecting devices. The magnetic electric wire tool comprises a bench insulator body, metallic-conduction connecting pieces, guide line fastening screws and guide lines. Each metallic-conduction connecting piece comprises a metallic-conduction outer shell and a cylindrical magnet, the cylindrical magnets are inlaid inside the metallic-conduction outer shells, and the metallic-conduction outer shells are inserted into the bench insulator body. Entrance holes are formed in the surfaces of the upper portions of the metallic-conduction connecting pieces, and the guide lines are inserted into the entrance holes. Screw holes are formed in the side faces of the metallic-conduction connecting pieces, and the screw holes are matched with the guide line fastening screws to enable the guide lines to be fixed. In the using process, the tool is connected to a screw type power binding post of a device to be measured through magnetism, and thus the problems that slipping can occur easily and dismounting and mounting are inconvenient when an alligator clip is connected to the screw type power binding post are solved.

The present invention discloses an electromagnetic shielding cover, comprising a shielding frame and a shielding lid. The shielding lid is made from a metallic conduction shielding adhesive tape. The shielding frame is adhered to the surface of the shielding cover. The shielding cover has the advantages that the shielding cover can reduce the material cost, the labor cost and the quality inspection cost of the manufacture, the size of the shielding cover can be reduced, the electromagnetic leakage due to the gap between the shielding lid and the shielding cover can be avoided, and the handling operation is simple and convenient.

The invention relates to a packaging structure for a photoelectron integrated chip. The packaging structure comprises a dielectric substrate, a metallic conduction post, and a matched resistor. A ground electrode G, a signal electrode S, a matched resistor for impedance matching are arranged on the surface of the dielectric substrate, wherein the ground electrode G and the signal electrode S are used for external and electric connection. The metallic conduction post is used for connecting the signal electrode and an electrode of a photoelectron integrated chip, thereby realizing signal transmission between the signal electrode and the electrode of the photoelectron integrated chip; and the matched resistor connected in series between the signal electrode S and the ground electrode G is connected in parallel with the photoelectron integrated chip to realize non-gold-wire impedance matching, thereby realizing impedance matching of a high-internal-resistance chip. According to the packaging structure, gold wire usage is avoided completely; and the influence on the device performance by a parasitic parameter introduced by the gold wire can be reduced. The packaging structure is suitable for packaging of single-channel or multi-channel integrated chips.

The invention belongs to the technical field of plastic pressing and hot melting, and particularly relates to a hot air welding machine and a working method and using method thereof. The hot air welding machine comprises a rack, and a pressurizing mechanism and a metal conduction hot melting mechanism are arranged on the rack; the metal conduction hot melting mechanism is suitable for carrying outhot melting on a wiredrawing cloth, an upper edge covering belt and a lower edge covering belt laminated at the inlet of the pressurizing mechanism; and the pressurizing mechanism is suitable for pressurizing, welding and conveying the hot-melted wiredrawing cloth, the upper edge covering belt and the lower edge covering belt. According to the hot air welding machine, heat needed by welding is obtained in a heat conduction mode, hot air penetrates through a hot air cavity and then is exhausted, the hot air does not need to make direct contact with the wiredrawing cloth, the upper edge covering belt and the lower edge covering belt, the heat output range is centralized, hot air diffusion is prevented, material wrinkling deformation and bright edges generated in the periphery of the weldingposition are avoided, and the welding quality is improved. The small-size hot air cavity conducts heat conduction welding, high-temperature heat can be continuously output, and the welding efficiencyis high.

The invention discloses an antenna for an ultra-high frequency band intelligent shelf RFTD reader. The upper PCB substrate and the lower PCB substrate are supported by nylon columns; There are multiple lower surface metal conduction strips, and the upper surface is copper-clad as a whole; the coaxial street, the upper surface metal conduction strip, the lower surface metal conduction strip and the matching load are connected in series through conductive columns, and the width of the upper surface metal conduction strip is according to the signal transmission The order gradually increases, and the sum of the phase shifts generated by the adjacent single upper surface metal conduction band and the single lower surface metal conduction band is an integer multiple of the wavelength. The invention has strong current, can conveniently design antennas with different areas, and the magnetic field on the upper part of the antenna is evenly distributed.

The invention relates to a combustion chamber of a diesel engine, in particular to a high-pressure electric fuel gas injection single ceramic combustion chamber of the diesel engine and belongs to the technical field of internal combustion engines. The high-pressure electric fuel gas injection single ceramic combustion chamber of the diesel engine comprises a ceramic combustion chamber, a ceramic high-pressure gas chamber, a fastening thread, a metal discharging ring, a gas injection hole, a conductive metal strip, a metal conducting rod, a ceramic high-pressure gas chamber metal discharging top, a concave ceramic sheet, a high-voltage static generator and a high-voltage ignition control panel. By the high-pressure electric fuel gas injection single ceramic combustion chamber of the diesel engine, gas molecules can do orientation movement, irregular Brownian movement of the gas molecules in the three-dimensional space is changed into orientation movement, and a piston is directly pushed, so work doing efficiency is improved. The ceramic combustion chamber is adopted, so a heat-dissipating effect is greatly retarded, the temperature of the combustion chamber is increased, the work doing process of fuel gas is changed from deflecting isothermal expansion into deflecting adiabatic expansion, and hot work efficiency is improved. A high-voltage-resistant large capacitor is used for absorbing high-voltage pulse current and then discharges to a power supply, so electric energy can be saved.

The invention relates to a circuit protective sleeve for solar power generation. The circuit protective sleeve comprises an innermost metallic conduction element, wherein the outside of the metallic conduction element is surrounded by a phosphatizing plastic ring, the outer surface of the phosphatizing plastic ring is surrounded by a hard polyester material ring, and the outside of the hard polyester material ring is surrounded by a fiber reinforcement stiffening ring. The metallic conduction element is made of titanium alloy. The circuit protective sleeve effectively overcomes the defects that the circuit protective sleeve is corroded due to the attack of environment, and the functions of degrading prevention, hot attack prevention and ageing resistance do not exist.

The invention discloses a liquid metal conduction visual persistence motion display screen which comprises an annular structure, a plurality of straight rods arranged on the annular structure, lamp strips arranged on the straight rods, a power unit connected with the annular structure and a control and power supply circuit connected with the annular structure and the power unit. The annular structure is provided with a connecting structure, the control and power supply circuit is provided with a connecting port, the connecting structure is electrically connected with the connecting port, and the contact surface of the connecting structure and the connecting port is coated with liquid metal. The liquid metal is coated on the contact surface of the connecting structure and the connecting port, so that the transmission of electric energy and electric signals is met, the situation of unstable connection caused by heating and temperature rise of the annular structure in a high-speed rotating state is avoided, the stability of electrical connection is improved, and the situation that the visual effect is influenced due to disconnection is avoided.

The invention provides a humidity sensing device which comprises a sensing device which includes an electric sensing method and a data processing method, wherein, the electric sensing method is used for detecting the electrical characteristics expressed by the gas due to humidity change, and the data processing method is used for treating electrical information detected by the electric sensing method to lead the electrical information to be converted into humidity information of the gas. The electric sensing method comprises a sensing element which includes a first metallic conduction parallel plate and a second metallic conduction parallel plate which are arranged in a corresponding way, so as to ensure the electrical information detected by the electric sensing method to be the capacitance value of the sensing element.

The invention relates to the technical field of printer nozzle heat dissipation, and particularly relates to a 3D printer nozzle heat dissipation device. The technical problem that an existing heat dissipation device mainly conducts heat dissipation through metal conduction and fan blowing heat dissipation pieces, and the overall heat dissipation effect is not good enough is solved. In order to solve the technical problem, the 3D printer nozzle heat dissipation device is composed of an annular airflow dispersion mechanism and a locking device. Airflow makes contact with the surface of a conveying pipe, direct heat dissipation is conducted through rapid surging of the airflow, and heat is prevented from being accumulated on the conveying pipe. The active heat dissipation airflow is sprayed out through jet holes, secondary heat dissipation is conducted on heat conduction ring pieces again through the airflow, and the heat dissipation effect of the heat conduction ring pieces is improved. When the jet holes annularly formed in the surfaces of the heat conduction ring pieces at equal intervals spray the airflow, reverse thrust can be formed relative to a nozzle through the airflow in all the radial directions, accordingly, vibration of the nozzle in the using process is balanced, and the printing precision of a printer is effectively improved.