Fast water heater

Abstract

The invention discloses a quick-heating water dispenser which is composed of a water tank, a solenoid valve, a three-way air-guide tube, a power transformer, an AC contactor, a temperature-control timer, a heat insulation case and a heating tube. A low voltage for power supply enables the heating tube in an instantaneous short circuit operating state, and the purified water flowing in the tube is heated quickly when instantaneous short circuit, thereby avoiding repeated heating of the water and improving the quality of the drinking water. The low voltage has an obvious effect on the electric safety of the electrical household appliance, and in contrast with the conventional water dispenser with high power consumption resulted from the repeated process of heating-cooling-reheating, and the water dispenser with a low voltage of the invention can realize energy saving.

Description

technical field [0001] The invention relates to an electric heating hot water technology, in particular to a quick hot water dispenser. technical background [0002] Places where hot water is used are very common. Chinese people often drink hot water as the main habit of drinking water. They always keep a thermos bottle to keep the water temperature of the boiled water. There are also many scientific experiments that require hot water or even boiling water. When necessary, use an electric stove or other electric kettle to heat it. The unused part will be wasted. The most widely used hot water dispenser is for convenience, and it can be used immediately. Take hot water for drinking or other purposes. The outstanding problem of this kind of hot water dispenser is that once the power is turned on, the machine is in a heating state, and the temperature control circuit keeps the water temperature of the water tank in the machine at about 80°C. When the water temperature of the wa...

AI Technical Summary

Problems solved by technology

In order to overcome the inconvenience of preparing hot water in the existing electric water heaters and a series of defects of hot water dispensers, someone designed an instantaneous water heater. The Chinese patent publication 9922377.8 "Water Dispenser for Instantaneously Boiling Water" uses ultra-high temperature electric heating tubes and multiple The water flow spiral partition is assembled to form a heating water tank, and the heating water inlet is connected with the water outlet of the water tank, and the water outlet of the heating tank is connected with the hot water funnel through the hot water conduit. It is a way to expand the heat transfer area to achieve rapid heating. Its heating volume is large and its structure is complex, which requires strict high temperature insulation measures. It is not very suitable for products with this structure to be processed into household applications.

The Chinese patent publication also discloses 200410089141.2 "Rapid Electric Heating Water Dispenser". The invention scheme is to closely contact the electric heating pipe and the heating water pipe through metal casting to make it have good heat transfer performance, thereby achieving the purpose of rapid heating. This technology On the one hand, there is unnecessary waste caused by the power consumption that needs to heat the entire metal casting body. The more prominent problem is that this 220-volt AC power supply method is very unsafe for the entire water dispenser to be electrified once the electricity leaks

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