An energy-saving water heater with variable capacity

Abstract

The invention discloses a variable-volume energy-saving water heater, which comprises a main box body and a sub box body, wherein the main box body and the sub box body respectively comprise an outer casing and an inner liner, a heat insulation layer is respectively arranged between each outer casing and the corresponding inner liner, the lower part of the inner liner of the main box body is communicated with a water inlet pipe and a water outlet pipe, an exhaust valve is communicated onto the water inlet pipe, the water inlet pipe and the water outlet pipe sequentially extend out of the heat insulation layer and the outer casing, a heating pipe and a detection rod of a temperature controller are fixedly arranged in the inner liner, a bending separation plate is also fixedly arranged in the inner liner, a cavity of the inner liner is divided into a cold cavity and a hot cavity by the bending separation plate, the inner liner of the sub box body is communicated with a sub water inlet pipe and a sub water outlet pipe, the sub water inlet pipe and the sub water outlet pipe respectively extend out of the outer casing of the sub box body, the water inlet end of the sub water inlet pipe is communicated with the exhaust valve, the sub water outlet pipe is connected with a connecting water pipe communicated onto the side wall of the inner liner of the main box body, and the connecting water pipe is communicated with the cold cavity. The variable-volume energy-saving water heater has the advantages that the heating is fast, meanwhile, the volume can be increased or decreased according to requirements, and the requirements of different users can be met.

Description

[0001] Technical field: [0002] The invention relates to the technical field of water heaters, in particular to an energy-saving water heater with variable capacity. [0003] Background technique: [0004] When the water tank of the existing water heater is heated by electricity, the whole water tank is heated, and the cold water and the superheated hot water are mixed in one space volume. Because of the large water storage capacity, it takes a long time to heat the water in the whole water tank, and the water temperature is difficult to increase quickly. High power consumption; [0005] Moreover, the volume of existing water heaters is fixed, which cannot be increased or decreased according to needs, so that it cannot be changed according to the needs of users. Generally, some people will buy water heaters with larger volumes, but for some people who only need a small amount of hot water to use waste is generated. [0006] Invention content: [0007] The purpose of the pre...

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Problems solved by technology

[0004] When the existing water heater water tank is heated by electricity, the whole water tank needs to be heated, and the cold water and the superheated hot water are mixed in one space volume. Because of the large water storage capacity, it takes a long time to heat the water in the whole water tank, and the water temperature is difficult to increase quickly. High power consumption;

[0005] Moreover, the volume of existing water heaters is fixed, and cannot be increased or decreased according to needs, so that it cannot be changed according to the needs of users. Generally, some people will buy water heaters with larger volumes, but for some people who only need a small amount of hot water to use waste

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