5 results about "Thick film technology" patented technology

The invention provides an electric heating heat pipe liquid heater, relates to the technical field of heaters, and aims to solve the technical problems that in the prior art, a liquid heater manufactured through a thick film technology is large in flow resistance, high in cost, large in noise, complex in manufacturing process, large in power density, large in boundary dimension under medium and low power, complex in quality control, incapable of being maintained and only capable of being replaced. An electric heating heat pipe liquid heater comprises a shell assembly, a liquid inlet, a liquid outlet, an electric assembly, a steel plate, a heating pipe and a support, a partition plate in the shell assembly divides an inner cavity of the shell assembly into a first inner cavity and a second inner cavity, and a first through hole is formed in the partition plate; the liquid inlet and the liquid outlet are both formed in the shell assembly and communicate with each other through a flow channel; the electrical assembly is arranged in the second inner cavity, and the steel plate is detachably connected to the partition plate and blocks the first through hole. The heating pipe is arranged in the runner, the two ends of the heating pipe penetrate through the steel plate and the first through hole and are electrically connected with the electrical assembly, the two ends of the heating pipe are welded to the steel plate, and the support is welded to the heating pipe and detachably connected with the partition plate.

The utility model relates to a liquid heater, in particular to an all-glass liquid heater, a glass kettle body comprises a main body, a thick film slurry layer is arranged at the bottom of the main body, the all-glass liquid heater further comprises a heating body, the heating body is abutted against the bottom of the glass kettle body, and heat generated by the heating body is transmitted to the main body through the thick film slurry layer. The thick film slurry is sprayed at the bottom of the glass kettle body, so that the thick film slurry layer is formed at the bottom of the glass kettle body, the external heating body is used for heating the glass kettle body, heat generated by the heating body is transmitted to the main body through the thick film slurry layer, and the heat efficiency and the heating uniformity are improved by using a thick film technology; and the glass kettle body is prevented from being directly electrified, so that the safety of the liquid heater is improved.

The invention discloses a graphene heat-conducting thick film material based on a high heat conductivity coefficient, and belongs to the technical field of heat-conducting thick films. Silicon carbide / aluminum oxide ceramic fibers, polyvinyl butyral and dimethyl sulfoxide are subjected to ultrasonic treatment, and bottom layer slurry is obtained; the coated liquid alloy, polyurethane acrylate and benzoyl peroxide are stirred, and middle layer slurry is obtained; performing ultrasonic treatment on the aminated graphene grafted ceramic fiber, flake graphene and cyclohexanone to obtain top layer slurry; sequentially coating the bottom layer slurry, the middle layer slurry and the top layer coating in a mold layer by layer through a sandwich method, spraying a 1H, 1H, 2H, 2H-perfluorodecyl triethoxy silane solution, drying and curing to obtain the graphene heat-conducting thick film material based on the high heat conductivity coefficient. The high in-plane horizontal and vertical heat conduction efficiency, the high mechanical strength and the low interface thermal resistance of the graphene heat conduction thick film are achieved.

This utility model provides an electric heating tube liquid heater, relating to the field of heater technology, to solve the technical problems of existing liquid heaters made with thick film technology, such as high flow resistance, high cost, high noise, complex manufacturing process, high power density, large size at low and medium power, complex quality control, inability to repair, and the need for replacement only. The electric heating tube liquid heater includes a shell assembly, a liquid inlet, a liquid outlet, an electrical component, a steel plate, and at least one heating tube. A partition inside the shell assembly divides the inner cavity of the shell assembly into a first inner cavity and a second inner cavity. A flow channel is provided in the first inner cavity, and a first through hole is provided on the partition. The liquid inlet and outlet are both located on the shell assembly and are connected through the flow channel. The electrical component is located in the second inner cavity. The steel plate is detachably connected to the partition and blocks the first through hole. The heating tube is located in the flow channel, with both ends passing through the steel plate and the first through hole and electrically connected to the electrical component. Both ends of the heating tube are welded to the steel plate.

The invention relates to the technical field of power substrates, in particular to a power substrate based on an aluminum silicon carbide material and a preparation method thereof, and the preparation method comprises the following steps: firstly printing an insulating film on the surface of an aluminum silicon carbide substrate, then printing and sintering a conductor welding spot, then welding a component, and welding a power device by a reflow soldering process for welding the component. Aluminum silicon carbide is adopted as a base material, an insulating film is firstly printed on the base material through a thick film technology, welding spots and the like for welding are printed on the insulating film, then components can be welded, and finally paint or glue is coated for protection. The insulating layer adopts a silicon resin system which is better matched with the thermal expansion coefficient of aluminum silicon carbide.