Electric water heater

A technology for electric water heaters and driving motors, which is applied to water heaters, fluid heaters, lighting and heating equipment, etc., and can solve problems such as energy waste and long waiting time for users to heat up

Active Publication Date: 2009-12-23
HAIER GRP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When a large amount of water is needed, the average value can reflect the overall water temperature. However, when only a small amount of water is needed, if the water is heated until the water temperature near the central axis of t

Method used

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Embodiment Construction

[0029] Such as figure 1 A schematic cross-sectional view shows the first preferred embodiment of the electric water heater of the present invention. The electric water heater of the present invention includes: a water storage tank 1, an electric heating rod for heating the water, and a temperature sensor 2 for measuring the temperature of the water. A flange 3 is provided at one end of the water storage tank 1, and an electric heating rod is installed on the flange 3. The temperature sensor 2 can move in a vertical direction, so as to measure the water temperature at different heights in the inner tank 1.

[0030] Two electric heating rods 4, 5 are preferably provided in the inner tank. One electric heating rod at the bottom of the inner tank is used as the main heating rod 4, and the other electric heating rod at the middle of the inner tank is used as the auxiliary heating rod. 5. This arrangement of the heating rods conforms to the water temperature stratification law, and the...

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PUM

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Abstract

The invention provides an electric water heater, which comprises a water storage liner, temperature sensors and at least one electric heating rod arranged in the liner, wherein the electric water heater is provided with at least one movable temperature sensor which has changeable relative positions with the liner and particularly can move in the vertical direction. By using the electric water heater, the water temperature at different heights of the liner can be measured more accurately so as to achieve the effects of dynamic layered heating and volume change and save energy sources.

Description

Technical field [0001] The invention relates to the field of electric water heaters, in particular to an electric water heater with a removable temperature sensor. Background technique [0002] In the existing variable power electric water heater, two or more electric heating rods are arranged separately up and down, and the water temperature stratification law of rising hot water and sinking cold water is used to realize layered heating of water. And, the water outlet pipe is set to extend to the top of the inner tank, so as to preferentially discharge the hot water from the upper layer. Through the power-on and power-off control of multiple electric heating rods, users can switch the electric water heater between high, medium and low power according to their needs. Specifically, when only a small amount of hot water is needed, only the middle / upper electric heating rod can be connected to directly heat the water in the upper part of the inner tank, which not only heats up quick...

Claims

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Application Information

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IPC IPC(8): F24H1/20F24H9/20
Inventor 孙京岩王任华蔡想周孙强
Owner HAIER GRP CORP
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