43results about How to "Small power attenuation" patented technology

The invention discloses a formula of high-temperature insulating gel for an electric heating film heating pipe. In the formula, the high-temperature insulating gel comprises the following components in percentage by weight: 20-30 percent of epoxy resin, 5-15 percent of epoxy resin insulating coating, 7-15 percent of ester ether solvent, 6-12 percent of ketone solvent, 15-25 percent of ester solvent, 5-10 percent of alcohol ether and 10-20 percent of glycidol ether thinner. A coating prepared according to the formula is coated outside an electric heating film of the electric heating film heating pipe, and has the advantages of wear resistance, acid and alkaline resistance, bonding fastness and high thermo-cycling resistance.

The invention discloses an instant heating-type water-electricity separation heater which comprises a shell, a circulating guide system, a heating component and a control system; the circulating guide system consists of a plurality of electric heating tubes alternately arranged up and down, and an upper guide cavity and a lower guide cavity which are positioned on two ends of the electric heating tubes; the lower guide cavity is connected with a water inlet pipe and a water outlet pipe; a plurality of guide holes corresponding to electric heating tubes are arranged on the upper guide cavity and the lower guide cavity; the adjacent guide holes up-and-down are communicated through a guide groove; each electric heating tube is inserted into the guide holes corresponding to two ends of the electric heating tube to form a reflow guide passage; the heating component consists of a heating film coated on the periphery of each electric heating tube, argent electrodes coated on the outside of two ends of the heating film and electrodes sleeved on the periphery of the argent electrodes; and the electrodes are connected to a power supply. The instant heating-type water-electricity separation heater changes the mode that in the prior electric water heater, an electric heating bar is directly put into water and heats the water; through combining the electric heating tubes and the heating films for heating and heat conduction, the instant heating-type water-electricity separation heater realizes real water-electricity separation and has good safety.

The invention discloses a metal PTC electric heating tube component of an air conditioner. A wound PTC heating filament of which two ends are sleeved and fixed with a conductive bar respectively, is placed in the center of a copper-plated iron pipe; a part of the conductive bars at two ends of the wound PTC heating filament is positioned outside the copper-plated iron pipe; magnesium oxide powderas heat conducting and insulating powder is filled in the copper-plated iron pipe; the wound PTC heating filament is tightly pressed in the center of the magnesium oxide powder in the copper-plated iron pipe; an aluminum pipe of a plurality of aluminum radiating fins is sleeved outside an expansion sleeve of the copper-plated iron pipe, namely the copper-plated iron pipe is tightly matched with the aluminum pipe, and the aluminum pipe is tightly matched with the aluminum radiating fins; and pipe orifices at two ends of the copper-plated iron pipe are sealed by silicon rubber and then sleeved into a porcelain head. The metal PTC electric heating tube component has the advantages of reasonable structure and better safety performance and durability. A manufacturing method for the component comprises the following steps: cutting the pipe, grinding the pipe, drilling the pipe, cleaning, winding wires, cleaning, drying, threading, measuring wires, spot welding, filling, stuffing a film, measuring withstood voltage, contracting the pipe, detecting the length of the pipe, middle inspection, peeling, pulling out colloidal particles, cutting a pin, straightening, inversing pipe angles, expanding the pipe, sealing, measuring the withstood voltage, measuring insulation, and measuring resistance.

The invention discloses a preparation method of a silane crosslinked ethylene-vinyl acetate copolymer adhesive film, which comprises the following steps: evenly mixing a composition, extruding, casting, cooling, drawing, and coiling to obtain the silane crosslinked ethylene-vinyl acetate copolymer adhesive film, wherein the extruding processing temperature is 100-150 DEG C; and the composition comprises the following components in parts by mass: 100 parts of ethylene-vinyl acetate copolymer, 0.1-2 parts of silane coupling agent A, 0.1-2 parts of silane coupling agent B and 0.01-0.2 part of organic peroxide. According to the invention, silane crosslinking is late crosslinking, crosslinking reaction does not need to be performed in a laminating machine, and the packaging of an assembly can be finished by simply pressurizing for 5-8 minutes under conventional treatment conditions in the vacuum laminating machine, thus greatly improving the laminating efficiency and saving the production cost.

The invention discloses an LED (light-emitting diode) light source mechanism for curing a UV (ultraviolet) side of a touch screen. The LED light source mechanism comprises an irradiation head, a light source (1), a cooling unit (2), a controller, an MCU (micro-control unit) control module, an operation interface and a second shell, the irradiation head comprises a first shell which is of a sealed hollow structure with a barrier, the light source (1) is an LED line light source, is arranged in the first shell and externally emits light through the barrier, the cooling unit (2) is positioned in the first shell and comprises one or more than one fan, the controller controls the light source (1) and the cooling unit (2) and comprises a terminal, the terminal comprises an input end and an output end, the output end is connected with the first shell, the MCU control module is electrically connected with the input end and the output end, the operation interface is connected with the input end, the second shell is of a hollow structure, both the terminal and the MCU control module are positioned in the second shell, and the operation interface is positioned outside the second shell and connected with the second shell.

The invention discloses an energy-saving heating body coated by a novel electrothermal film. The energy-saving heating body comprises a front fixing plate, a rear fixing plate and an electrothermal pipe. The electrothermal pipe comprises a quartz glass tube body, the electrothermal film is deposited on the outer wall of the quartz glass tube body in a vapor phase mode, the electrothermal pipe is connected in series with channels in the front fixing plate and the rear fixing plate to form a waveform through pipe, one end of the through pipe is connected with a water inlet, and the other end of the through pipe is connected with a water outlet. The formula of solutions of the electrothermal film comprises stannic chloride, alcohol, antimony butter, rare earth elements, ferric trichloride, absolute ethyl alcohol, titanium tetrachloride and boric acid. A water groove is formed outside the electrothermal pipe, the water groove is provided with a cold water inlet and a water outlet. The formula of the solutions of the electrothermal film is simple in gradient, convenient to prepare, and good in using performance, and the energy-saving heating body is high in thermal utilization efficiency, saves energy, and is friendly to environment.