Water inflow insulating pipe and electric water heater

Abstract

The invention belongs to the technical field of electric water heaters, and discloses a water inflow insulating pipe and an electric water heater. The water inflow insulating pipe comprises an insulating pipe body and a water inflow liner pipe; the pipe wall of the lower end of the water inflow liner pipe is provided with a plurality of obliquely and downwardly arranged water outlets; and water flows out of the water outlets and obliquely flows to the lower end position of the water inflow liner pipe. According to the water inflow insulating pipe, due to the obliquely and downwardly arranged water outlets, cold water obliquely flows to the lower end position of the water inflow liner pipe through the water outlets, that is, the cold water flows to the bottom of an inner container, so thatthe cold water only makes contact with hot water at the bottom position of the inner container, mixing with the hot water is reduced, lowering of the temperature of the hot water is reduced to a verylarge extent, and it is avoided that hot water outlet becomes little; and meanwhile, the cold water flowing to the bottom of the inner container can scour the bottom of the inner container and reducedeposition of impurities in water; and water originally staying at the bottom of the inner container is washed up and floats up, and the possibility of scaling at the bottom of the inner container isfurther lowered.

Description

technical field [0001] The invention relates to the technical field of electric water heaters, in particular to a water inlet insulating pipe and an electric water heater. Background technique [0002] The water inlet insulating pipe is an important part of the cold water inlet of the electric water heater. At present, the water inlet insulating pipe in the industry is as follows: figure 1 As shown, it includes an insulating pipe 100 and a water inlet liner 200. Several water outlets 300 are opened on the water inlet liner 200, and the direction of the water outlets is mostly set in a horizontal direction, that is, tap water will pass through the water inlet after entering the insulating pipe 100. The water outlet 300 reserved on the liner 200 (usually a square hole, a round hole or an oval hole) flows into the inner tank. Since the outlet direction of the water outlet 300 on the water inlet liner 200 is horizontal, the The water flowing out of the 300 will flow in the hori...

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Problems solved by technology

[0002] The water inlet insulating pipe is an important part of the cold water inlet of the electric water heater. At present, the water inlet insulating pipe in the industry is as follows: figure 1 As shown, it includes an insulating pipe 100 and a water inlet liner 200. Several water outlets 300 are opened on the water inlet liner 200, and the direction of the water outlets is mostly set in a horizontal direction, that is, tap water will pass through the water inlet after entering the insulating pipe 100. The water outlet 300 reserved on the liner 200 (usually a square hole, a round hole or an oval hole) flows into the inner tank. Since the outlet direction of the water outlet 300 on the water inlet liner 200 is horizontal, the The water flowing out of the 300 will flow in the horizontal direction, causing the water flow in the inner tank to be turbulent, which will cause a large amount of cold water to mix with the heated hot water at the bottom of the inner tank, so that the temperature of the hot water at the bottom of the inner tank will drop rapidly, and the output of hot water will be reduced. Less, unable to meet the normal bathing requirements of users

[0003] Moreover, since the water outlet 300 of the above-mentioned water inlet insulation pipe is set in the horizontal direction, there will be no water flow at the bottom of the inner tank, resulting in the deposition of impurities in the water and the generation of scale

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